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Newington, Connecticut 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Newington CT
National Weather Service Forecast for:
Newington CT
Issued by: National Weather Service Norton, MA |
| Updated: 2:03 pm EDT Jul 14, 2025 |
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Tonight
Chance
Showers and
Patchy Fog
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Tuesday
Chance
Showers then
Slight Chance
T-storms
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Tuesday
Night
Partly Cloudy
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Wednesday
Partly Sunny
then Chance
T-storms
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Wednesday
Night
Chance
T-storms then
Chance
Showers
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Thursday
Chance
T-storms
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Thursday
Night
Chance
Showers then
Partly Cloudy
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Friday
Mostly Sunny
then Chance
T-storms
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Friday
Night
Chance
T-storms then
Partly Cloudy
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| Lo 71 °F |
Hi 89 °F |
Lo 71 °F |
Hi 90 °F |
Lo 74 °F |
Hi 90 °F |
Lo 75 °F |
Hi 90 °F |
Lo 67 °F |
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Heat Advisory
Tonight
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A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 71. Light southwest wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Tuesday
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A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after noon. Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 95. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. |
Tuesday Night
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Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening. |
Wednesday
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A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 90. Heat index values as high as 101. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Wednesday Night
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A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 74. South wind 3 to 7 mph. Chance of precipitation is 30%. |
Thursday
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A chance of showers and thunderstorms. Partly sunny and hot, with a high near 90. Southwest wind 6 to 10 mph. Chance of precipitation is 40%. |
Thursday Night
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A chance of showers before 9pm. Partly cloudy, with a low around 75. Southwest wind 5 to 7 mph. Chance of precipitation is 30%. |
Friday
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A chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 90. West wind 5 to 8 mph. Chance of precipitation is 30%. |
Friday Night
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A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. North wind 3 to 6 mph. Chance of precipitation is 30%. |
Saturday
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Mostly sunny, with a high near 86. North wind 3 to 6 mph. |
Saturday Night
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Partly cloudy, with a low around 67. South wind around 6 mph becoming calm in the evening. |
Sunday
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A chance of showers and thunderstorms. Partly sunny, with a high near 84. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%. |
Sunday Night
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A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 40%. |
Monday
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A chance of showers. Mostly sunny, with a high near 84. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. |
Forecast from NOAA-NWS
for Newington CT.
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Weather Forecast Discussion
155
FXUS61 KBOX 150126
AFDBOX
Area Forecast Discussion
National Weather Service Boston/Norton MA
926 PM EDT Mon Jul 14 2025
.SYNOPSIS...
Showers will diminish tonight. Heat and humidity will build once
again Tuesday through at least Thursday, along with chances of
showers or thunderstorms each afternoon and evening.
&&
.NEAR TERM /UNTIL 6 AM TUESDAY MORNING/...
Key Messages:
* Flood Watch canceled.
* Warm and muggy night ahead tonight.
Showers and thunderstorms in western New England were weakening
with loss of daytime heating, but will persist for a little
longer as they feed off lingering instability located along PWAT
axis. As a result we have canceled the Flood Watch.
Otherwise, a warm and muggy night is in store with light S/SW
flow, which will also promote areas of low clouds and fog.
&&
.SHORT TERM /6 AM TUESDAY MORNING THROUGH TUESDAY NIGHT/...
Key Messages:
* Heat Advisory goes into effect for most of the region Tue.
Building ridge of high pressure brings the return of hot and humid
conditions Tuesday. Guidance has 925 temperatures increasing from
19C today to 24C tomorrow afternoon. At the surface, this translates
to high temperatures climbing into the upper 80s and low 90s for
most areas Tuesday afternoon. While these temperatures are far from
unheard of, dewpoint values will climb into the lower to mid 70`s
resulting in heat index values around 95 above. The greatest
likelihood of this will be for inland areas away from the Cape and
Islands.
Low temperatures will remain quite mild and dewpoints
high. Elevated low temperatures spell trouble for those without
access to proper sources of cooling and relief from the day`s
high temperatures.
&&
.LONG TERM /WEDNESDAY THROUGH MONDAY/...
Key Messages:
* Hot and humid during the middle of this week, with elevated
heat indices around 95-100F. Heat Advisories for Tuesday into
Thursday for most of southern New England. Heat Advisory may
be needed for Friday too.
* Becoming more unsettled late Thursday-Friday with increasing
chances for showers and thunderstorms.
Most of this portion of the forecast will see southern New England
om the warm and very humid side of a cold front. This front will
take its time to move from the Great Lakes and Saint Lawrence River
valley until it finally attempts to cross our region Friday night.
The holdup is a large high pressure off the southeast USA coast. The
position of this high pressure will keep pushing heat and humidity
our way.
Heat Advisories already posted for most of southern New England for
the middle part of this week. It may need to be extended into Friday
as well. Slightly cooler conditions anticipated once this front
passes by this weekend into early next week, but that should mean
right around average temperatures for this time of July.
The heat and humidity should mean at least a low risk for mainly
afternoon and evening thunderstorms. There remains a better signal
for more organized forcing later Thursday and a weak trough shifts
in from the west. This will bring higher chances for more widespread
showers/storms. Weak winds aloft will support slower storm motions
and given the high amounts of moisture signal a threat for flash
flooding. We`ll have to keep eyes on that as we go through this
week. Friday is a more complicated forecast dependent upon the timing
of the aforementioned front.
Looking ahead to this weekend, this front doesn`t get too far south
of our region, and could return as a warm front sometime Sunday into
Monday. That could trigger another round of showers and possible
thunderstorms.
&&
.AVIATION /01Z TUESDAY THROUGH SATURDAY/...
Forecaster Confidence Levels...
Low - less than 30 percent.
Moderate - 30 to 60 percent.
High - greater than 60 percent.
00z Update:
After remaining showers and thunderstorms dissipate, winds turn
SSW brining in yet another round of low stratus and fog.
Highest confidence near the south coast and CT river valley.
Less certain in and around Boston.
Tuesday: Moderate Confidence
VFR outside the Cape and Islands where IFR stratus may hang on
much of the day. Low chance for a weak shower or thunderstorm.
KBOS Terminal...High confidence in TAF.
KBDL Terminal...High confidence in TAF.
Outlook /Wednesday through Saturday/...
Wednesday through Wednesday Night: VFR. Slight chance SHRA,
slight chance TSRA.
Thursday: Mainly VFR, with local MVFR possible. Breezy. Chance
SHRA, slight chance TSRA.
Thursday Night: VFR. Breezy. Slight chance SHRA.
Friday: VFR. Chance SHRA, chance TSRA.
Friday Night: VFR. Slight chance SHRA, slight chance TSRA.
Saturday:
Saturday Night: Slight chance SHRA.
Sunday: Chance SHRA, chance TSRA.
&&
.MARINE...
Forecaster Confidence Levels...
Low - less than 30 percent.
Medium - 30 to 60 percent.
High - greater than 60 percent.
Tonight through Tuesday...High confidence.
Weak pressure gradient will keep winds/seas below Small Craft
Advisory thresholds through Sunday: seas 2-3 ft with E winds
over the southern waters and SE winds over the eastern waters up
to 15 kts during the afternoon hours, remaining light in the
overnight hours. Main concern for mariners will be areas of fog
tonight that may redevelop again tonight. Inland Thunderstorms
are unlikely to affect the waters this evening. Winds turn more
SW on Tuesday between 10-15 knots.
Outlook /Wednesday through Saturday/...
Wednesday: Winds less than 25 kt.
Wednesday Night: Winds less than 25 kt. Slight chance of rain
showers, slight chance of thunderstorms.
Thursday: Winds less than 25 kt. Seas locally approaching 5 ft.
Slight chance of rain showers, slight chance of thunderstorms.
Thursday Night: Winds less than 25 kt. Areas of seas
approaching 5 ft. Slight chance of rain showers.
Friday: Winds less than 25 kt. Areas of seas approaching 5 ft.
Slight chance of rain showers, slight chance of thunderstorms.
Friday Night: Winds less than 25 kt. Seas locally approaching
5 ft. Slight chance of rain showers, slight chance of
thunderstorms.
Saturday through Saturday Night: Winds less than 25 kt.
Sunday: Winds less than 25 kt. Slight chance of rain showers.
&&
.BOX WATCHES/WARNINGS/ADVISORIES...
CT...Heat Advisory from 11 AM Tuesday to 7 PM EDT Thursday for
CTZ002>004.
MA...Heat Advisory from 11 AM Tuesday to 7 PM EDT Thursday for
MAZ003>007-010>021-026.
RI...Heat Advisory from 11 AM Tuesday to 7 PM EDT Thursday for
RIZ001>007.
MARINE...None.
&&
$$
SYNOPSIS...FT
NEAR TERM...JWD
SHORT TERM...FT
LONG TERM...Belk
AVIATION...FT
MARINE...FT
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