National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Willimantic, Windham Airport (KIJD)

Lat: 41.74°NLon: 72.18°WElev: 246ft.

Overcast

35°F

2°C

Humidity 50%
Wind Speed Vrbl 3 mph
Barometer 30.50 in (1033.1 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 15 Mar 9:52 am EDT
Extended Forecast for

Colchester CT

  • Today

    Today: Mostly cloudy, with a high near 46. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 46 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly after 5am. Patchy fog after 2am. Temperature falling to near 34 by 8pm, then rising to around 44 during the remainder of the night. Southeast wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 34 °F⇑

    Partly Cloudy
    then Showers
    and Patchy
    Fog

  • Monday

    Monday: Intermittent showers and thunderstorms. Patchy fog before noon. Otherwise, cloudy, with a high near 59. Breezy, with a south wind 20 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 50%.

    High: 59 °F

    Intermittent
    T-storms and
    Patchy Fog

  • Monday Night

    Monday Night: Periods of showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 38. Windy, with a south wind 23 to 28 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 38 °F

    Heavy Rain
    and Windy

  • Tuesday

    Tuesday: Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 38 by 8am. West wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 43 °F⇓

    Showers
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 38.

    High: 38 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 46. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Showers and possibly a thunderstorm, mainly after 5am. Patchy fog after 2am. Temperature falling to near 34 by 8pm, then rising to around 44 during the remainder of the night. Southeast wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Intermittent showers and thunderstorms. Patchy fog before noon. Otherwise, cloudy, with a high near 59. Breezy, with a south wind 20 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 50%.
Monday Night
Periods of showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 38. Windy, with a south wind 23 to 28 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 38 by 8am. West wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Increasing clouds, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 51.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Saturday
A chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Colchester CT
 41.57°N 72.33°W (Elev. 459 ft)
Last Update:
6:56 am EDT Mar 15, 2026
Forecast Valid:
10am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation