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Bethel, Connecticut 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Bethel CT
National Weather Service Forecast for: Bethel CT
Issued by: National Weather Service New York, NY
Updated: 2:03 pm EDT Jul 12, 2025
 
Tonight

Tonight: Increasing clouds, with a low around 67. Southeast wind 5 to 8 mph becoming calm  in the evening.
Increasing
Clouds

Sunday

Sunday: Partly sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the morning.
Partly Sunny

Sunday
Night
Sunday Night: A 20 percent chance of showers after 2am.  Increasing clouds, with a low around 69. Southeast wind around 6 mph becoming calm  in the evening.
Partly Cloudy
then Slight
Chance
Showers
Monday

Monday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Showers
Likely
Monday
Night
Monday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 68. Light south wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Slight Chance
Showers
Tuesday

Tuesday: Sunny, with a high near 90.
Sunny

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

Wednesday

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

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 73.
Partly Cloudy

Lo 67 °F Hi 83 °F Lo 69 °F Hi 84 °F Lo 68 °F Hi 90 °F Lo 70 °F Hi 91 °F Lo 73 °F

 

Tonight
 
Increasing clouds, with a low around 67. Southeast wind 5 to 8 mph becoming calm in the evening.
Sunday
 
Partly sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
 
A 20 percent chance of showers after 2am. Increasing clouds, with a low around 69. Southeast wind around 6 mph becoming calm in the evening.
Monday
 
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
Sunny, with a high near 90.
Tuesday Night
 
Mostly clear, with a low around 70.
Wednesday
 
Mostly sunny, with a high near 91.
Wednesday Night
 
Partly cloudy, with a low around 73.
Thursday
 
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90.
Thursday Night
 
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Friday
 
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Friday Night
 
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Saturday
 
A 40 percent chance of showers. Partly sunny, with a high near 85.

 

Forecast from NOAA-NWS for Bethel CT.

Weather Forecast Discussion
203
FXUS61 KOKX 121814
AFDOKX

Area Forecast Discussion
National Weather Service New York NY
214 PM EDT Sat Jul 12 2025

.SYNOPSIS...
High pressure remains along the New England coast into Sunday
morning, then drifts east through Monday as a cold front moves
into the region late Monday. The frontal boundary likely
remains just offshore through mid week. Another frontal system
may then impact the area towards the end of the week.

&&

.NEAR TERM /THROUGH TONIGHT/...
Surface high pressure remains along the New England coast
tonight with a light flow across the region, and a warm and
humid airmass remaining in place. Any convection across the
Lower Hudson Valley will be weakening and dissipating early this
evening with the loss of daytime heating. Any storms that do
develop will be slow moving, and have the potential to produce
briefly heavy rainfall. With the airmass in place, and a light
southerly flow, low clouds are expected to develop along and
offshore of the coast, and drift inland late tonight into Sunday
morning.

&&

.SHORT TERM /SUNDAY THROUGH MONDAY/...
Any low clouds and possibly fog will dissipate Sunday morning
as low level mixing increases.

The surface high off the New England coast drifts east late
Sunday into Monday as the upper ridge axis moves offshore and
heights gradually fall with the approach of an upper trough.
Much of the energy with the trough will be passing to the north
during Monday, and the trough weakens. A weak, and weakening
cold front moves into the region either late Monday or Monday
evening. And a warm and humid airmass remains through Monday,
becoming unstable late morning into the afternoon with CAPE
increasing to over 1000 J/kg. Precipitable water values will be
around 2 inches Monday. With the weakening front, and little
forcing convection will be more scattered, and opted for areal
coverage wording. There will once again be the potential for any
of the storms to produce briefly heavy rainfall, however the
steering flow does increase Monday, and storms are expected to
be moving southeast 20 to 25 mph.

&&

.LONG TERM /MONDAY NIGHT THROUGH SATURDAY/...
***Key Points***

*While still some uncertainty, there is at least potential for
 a heat wave Tuesday through Friday for many areas with Max Heat
 Index values each day between 95 and 100 (Heat Advisory
 criteria).

*Relatively active pattern with chances for several days of
 afternoon showers and thunderstorms.

A cold front will just be passing through at the start of the long
term period. This boundary will likely stall just offshore and
linger for several days. A frontal system may then impact the area
later in the week. Aloft, the pattern stays the same through the
period. Although we are under some high heights, we are somewhat on
the eastern end of a broad upper level trough centered over central
Canada and few shortwaves likely pass through.

With strong Bermuda high in place, a S/SW flow will allow plenty of
moisture to be sent our way. This combined with above normal high
temperatures brings some potential for a heat wave. NBM dewpoints
are likely too high but even after manually lowering afternoon
dewpoints when mixing is expected still seeing some 95-100 heat
index values. However, there still is uncertainty especially given
the potential for convection and slight inconsistencies in a late
week frontal system among the guidance.

Too early to talk specifics when it comes to severe or flooding
concerns with the aforementioned convection. These details will be
ironed over the next few days. There is plenty of moisture around
with pwats 1.75-2.00+ for much of the period so any convection that
does develop will likely be able to produce heavy downpours. As for
severe, while we are pretty unstable, shear looks weak through much
of the period.

&&

.AVIATION /18Z SATURDAY THROUGH THURSDAY/...
Weak high pressure remains in place offshore through tonight.

Mainly sct cigs around 3 kft for most terminals this afternoon,
though IFR likely persists at KGON into late day. Brief MVFR conds
possible elsewhere at times. Lower stratus redevelops this evening,
with IFR conditions likely tonight and into Sunday AM. Fog possible
as well. A late afternoon or early evening shower or thunderstorm
remains possible at KSWF, with everyone else remaining dry.

Winds generally SE under 10 kt today, becoming light and variable or
a light NE flow tonight. Similar SE flow and speed expected to set
up by late Sunday AM.

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

Brief MVFR cigs possible this afternoon.

Lower confidence in how low conditions get overnight, sub IFR
possible at times.

.OUTLOOK FOR 18Z SUNDAY THROUGH THURSDAY...

Sunday PM: Mainly VFR.

Monday: MVFR or lower in the afternoon and early evening with
showers and thunderstorms likely.

Tuesday-Thursday: Mainly VFR. Showers or thunderstorm possible in
the afternoon and evening.

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

&&

.MARINE...
With a weak pressure gradient, winds and waves likely remain below
Small Craft Advisory criteria tonight through next week.
However, a relatively active pattern is expected next week with
chances of afternoon showers and thunderstorms for several
days. Winds and waves will be higher in any storms.

&&

.HYDROLOGY...
Isolated thunderstorms across the Lower Hudson Valley this
afternoon, and Sunday afternoon have the potential of producing
localized heavy rainfall as the storms will be slow moving. And
any potential flooding will also be localized. For Monday, there
is a chance of minor flooding with heavy rainfall potential
across a larger area as a cold front approaches during the day.
However, any flooding will be localized. At this time there are
no hydrologic concerns Monday night through the week.

&&

.TIDES/COASTAL FLOODING...
The risk for the development of rip currents has been elevated
to high at all the ocean beaches through this evening with
report of strong rip currents. For the ocean seas for Sunday the
risk remains at moderate, with onshore flow near 10 kt and a
3-4 ft swell from the southeast at a 7 to 8 sec, and an added
long period onshore swell.

&&

.OKX WATCHES/WARNINGS/ADVISORIES...
CT...None.
NY...High Risk for Rip Currents until 9 PM EDT this evening for NYZ075-
     080-081-178-179.
NJ...Air Quality Alert until 11 PM EDT this evening for NJZ002-004-
     006-103>108.
MARINE...None.

&&

$$

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






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