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Meriden, Connecticut 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Meriden CT
National Weather Service Forecast for: Meriden CT
Issued by: National Weather Service New York, NY
Updated: 3:20 pm EDT Jul 24, 2025
 
Overnight

Overnight: Mostly clear, with a low around 71. Southwest wind around 6 mph.
Mostly Clear

Friday

Friday: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Increasing clouds, with a high near 96. Heat index values as high as 105. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunny then
Showers
Likely
Friday
Night
Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 11pm.  Partly cloudy, with a low around 70. North wind 3 to 5 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Partly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 89. North wind around 6 mph becoming southeast in the afternoon.
Mostly Sunny

Saturday
Night
Saturday Night: Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm  in the evening.
Mostly Cloudy

Sunday

Sunday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 84.
Mostly Cloudy
then Chance
T-storms
Sunday
Night
Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Chance
T-storms then
Chance
Showers
Monday

Monday: Mostly sunny, with a high near 91.
Mostly Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 70.
Mostly Clear

Lo 71 °F Hi 96 °F Lo 70 °F Hi 89 °F Lo 66 °F Hi 84 °F Lo 69 °F Hi 91 °F Lo 70 °F

Heat Advisory
Air Quality Alert
Hazardous Weather Outlook
 

Overnight
 
Mostly clear, with a low around 71. Southwest wind around 6 mph.
Friday
 
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 96. Heat index values as high as 105. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 11pm. Partly cloudy, with a low around 70. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
 
Mostly sunny, with a high near 89. North wind around 6 mph becoming southeast in the afternoon.
Saturday Night
 
Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening.
Sunday
 
A 40 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84.
Sunday Night
 
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Monday
 
Mostly sunny, with a high near 91.
Monday Night
 
Mostly clear, with a low around 70.
Tuesday
 
Mostly sunny, with a high near 94.
Tuesday Night
 
Partly cloudy, with a low around 71.
Wednesday
 
A 30 percent chance of showers. Mostly sunny, with a high near 90.
Wednesday Night
 
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Thursday
 
A 30 percent chance of showers. Mostly sunny, with a high near 82.

 

Forecast from NOAA-NWS for Meriden CT.

Weather Forecast Discussion
873
FXUS61 KOKX 250249
AFDOKX

Area Forecast Discussion
National Weather Service New York NY
1049 PM EDT Thu Jul 24 2025

.SYNOPSIS...
High pressure exerts control into Friday afternoon, before a
cold front moves through the area late Friday into Friday
evening. High pressure briefly builds into the area Friday
night into Saturday. A weak frontal system moves across the area
Saturday Night into Sunday. High pressure then builds in for
Monday and Tuesday. A cold front moves across the region mid-
week.

&&

.NEAR TERM /UNTIL 6 AM FRIDAY MORNING/...
Upper lever ridge flattens tonight into Friday, as a northern
stream shortwave slides from Ontario/Quebec towards northern New
England. Bermuda high pressure briefly exerts control tonight
into Friday with a strengthening return flow.

Dry but increasingly warm and muggy conditions tonight in gusty
S/SW flow, with lows in the mid to upper 70s for NYC/NJ metro
and lower to mid 70s elsewhere.

&&

.SHORT TERM /6 AM FRIDAY MORNING THROUGH SATURDAY NIGHT/...
Key points...

* Heat alerts remain in effect for Friday. One day of 100 to
  105F heat indices are expected for most of the area.

* Isolated to scattered severe thunderstorms are possible Friday
  aft/eve, with damaging wind gusts the primary threat. There is
  also low and localized flash flood threat.

Upper lever ridge flattens Thursday Night into Friday, as a northern
stream shortwave slides from Ontario/Quebec towards northern New
England.

Peak heat and humidity continues on target for Friday with axis
of heat (850mb temps of near 20c) sinking SE towards the region
with likely low-level moisture pooling ahead of approaching
cold front (lower 70s to 75F Td) resulting in heat indices in
the lower 100s to 105F for much of the area. Extreme heat
warning continues for NE NJ with highest confidence in
widespread 105F heat indices, with heat advisories for most of
the remainder of the area with heat indices in the 100 to 105F
range.

In addition to the heat threat, a pre-frontal trough/cold front
will be pressing down on a moderately unstable airmass, with
marginal deep layer shear presenting potential for isolated to
scattered severe thunderstorms in the late aft/eve. Models in a
bit better agreement on a more distinct convectively enhanced
vort axis (originating from a Mid- Mississippi river shortwave
this afternoon) approaching the area tomorrow afternoon and
crossing in the evening. Along with potential of a bit better
alignment of steering flow/shear with the front in a w to e
fashion as the front sags south, this would favor a lean towards
a scattered to broken line of of thunderstorm activity, and
scattered severe threat for much of the area.

Limiting factor for organized convection continues to be weak
shortwave forcing/height falls this far south as compared to
central and northern New England, marginal deep layer shear, and
weak mid- level lapse rates. Primary threat will be damaging
wind gusts from wet downbursts in primarily a uni-directional
WNW flow aloft, high PWAT environment with a bit of mid-level
dry air entrainment potential, and steep low-level lapse rates.
See hydrology section for low and localized flash flood threat
in a 2+ STD PWAT environment ( 2 1/2"-2 1/2" PWATs)

Cold front expected to push SE of the region by midnight Friday
as northern stream shortwave slides through northern New
England, with a relatively cooler and drier airmass filtering
in its wake as high pressure builds into the region.

Northern stream shortwave slides east of northern New England
Saturday AM, with northern periphery of southern ridging nosing back
into the area. At the surface, high pressure briefly build towards
the region from the north on Saturday and overhead Saturday Night.

Dry conditions expected on Saturday, with noticeably drier and cooler
airmass advecting in on gusty N/NE flow on Saturday, although
still running slight above seasonable with highs in the mid to
upper 80s, and heat indices similar. Near seasonable temps for
Saturday Night with increasing humidity levels as return flow
develops.

&&

.LONG TERM /SUNDAY THROUGH THURSDAY/...
Key Points:

* Showers and thunderstorms expected the second half of Sunday with
  a frontal system. Some thunderstorms will be capable of gusty
  winds and heavy rainfall.

* High heat and humidity return early to mid next week. Latest
  forecast has widespread upper 90s Max Heat Index values for
  Monday, with upper 90s to low 100s on Tuesday. There is potential
  for hot and humid conditions to linger into Wednesday, but this
  will depend on timing of a cold front.

* The cold front moves across the area mid-week. This will end the 2-
  3 days of hot and humid conditions. Showers and thunderstorms
  likely accompany the frontal passage.

Stuck close to the NBM, with the biggest changes being to lower
dewpoints next week. The NBM has been consistently a bit too high
with dewpoints on days where deeper mixing is expected.

Other uncertainty with the forecast lies on exact evolution and
timing of a weak frontal system that may impact the area Sunday. Low
confidence PoPs given the offshore high trending stronger and
potential for an MCS to bleed into the area.

Otherwise, there is also some disagreement on timing of a cold
frontal passage mid week. Latest GFS holds off the front until later
on Wednesday. This could allow higher heat and humidity to linger
into Wednesday, especially for the southern half of the area like
northeast NJ, NYC and Long Island.

&&

.AVIATION /03Z FRIDAY THROUGH TUESDAY/...
Offshore high pressure remains in control through tonight. A
cold front moves through the area late Friday.

VFR for the most part. MVFR vsby, or briefly lower, is possible
in showers and thunderstorms Friday afternoon and evening. Kept
PROB30 for this activity in the TAF. There is also potential for
some of the storms to be severe, with damaging wind gusts being
the primary threat.

Southwest winds diminish overnight. They pick up Friday morning
up to around 10-12 kt. Winds become NW behind the frontal
passage in the late afternoon/evening. Occasional gusts up to
about 20 kt are possible during Friday afternoon.

 ...NY Metro (KEWR/KLGA/KJFK/KTEB) TAF Uncertainty...

Keeping TSRA in PROB30 for now given uncertainty in coverage.

Occasional gusts up to 20 kt are possible Friday afternoon.

.OUTLOOK FOR 00Z SATURDAY THROUGH TUESDAY...

Saturday: VFR.

Saturday night - Sunday: Mainly VFR. MVFR or lower possible in
any showers or thunderstorms.

Monday: VFR.

Tuesday: Mainly VFR with possible MVFR or lower in showers and
thunderstorms.

Detailed information, including hourly TAF wind component
forecasts, can be found at: https:/www.weather.gov/zny/n90

&&

.MARINE...
Marginal 25 kt gusts are possible in a S flow tonight on the
ocean waters, mouth of NY Harbor and southern bays of W LI, and
possibly Fri aft/eve ahead of a cold frontal passage. Isolated
to scattered severe thunderstorms are possible ahead of a cold
front passage Friday afternoon through the evening.

A brief period of 20 kt gusts are possible in wake of cold
frontal passage Saturday night into Sunday morning.

Given a weak pressure gradient, winds and waves will largely stay
below Small Craft Advisory criteria Sunday through the middle of
next week. The best chance at getting close to 25 kt gusts right now
will be ahead of and behind a cold frontal passage sometime late
Tuesday or Wednesday.

&&

.HYDROLOGY...
Primarily a minor urban and poor drainage flooding threat with
scattered thunderstorm activity Friday afternoon that could
produce rainfall rates of 2+"/hr with PWATS as high as 2"-2
1/2", but will be overall progressive limiting duration over an
one area. Based on these potential rainfall rates, there is a
low and localized flash flood threat with any localized
repetitive thunderstorm activity, particularly if the cold front
orients in a more W to E fashion as indicated by some CAMs. A
general 1/4 to 3/4" basin average, with a low and localized
probability for 2-3" in only a couple of hours with any
training.

Showers and thunderstorms associated with a frontal system
could produce locally heavy downpours on Sunday that result in
nuisance flooding, but the overall flood threat appears low at
this time.

&&

.TIDES/COASTAL FLOODING...
A moderate rip current risk is likely on Friday with southerly
wind waves building to 3 to 4 ft.

&&

.CLIMATE...
Daily record high temperatures maybe be tied or broken Friday
July 25th. Here are the current records for the day...

EWR 99/2016
BDR 93/2001
NYC 97/1999
LGA 97/1999
JFK 93/2010
ISP 94/1987

&&

.OKX WATCHES/WARNINGS/ADVISORIES...
CT...Air Quality Alert until 11 PM EDT this evening for CTZ005>007.
     Heat Advisory from 11 AM to 8 PM EDT Friday for CTZ005>011.
     Air Quality Alert from 11 AM to 11 PM EDT Friday for
     CTZ009>012.
NY...Heat Advisory from 11 AM to 8 PM EDT Friday for NYZ067>075-
     078>080-176>179.
     Air Quality Alert from 11 AM to 11 PM EDT Friday for
     NYZ069>075-078>081-176>179.
NJ...Heat Advisory from 11 AM to 8 PM EDT Friday for NJZ002.
     Air Quality Alert from 11 AM to 11 PM EDT Friday for NJZ004-
     006-103>108.
     Extreme Heat Warning from 11 AM to 8 PM EDT Friday for NJZ004-
     006-103>108.
MARINE...None.

&&

$$

SYNOPSIS...JT/NV
NEAR TERM...NV
SHORT TERM...NV
LONG TERM...JT
AVIATION...BC/JT
MARINE...JT/NV
HYDROLOGY...JT/NV
TIDES/COASTAL FLOODING...
CLIMATE...
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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