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

Hazardous Weather Conditions

Current conditions at

Willimantic, Windham Airport (KIJD)

Lat: 41.74°NLon: 72.18°WElev: 246ft.

Fair

75°F

24°C

Humidity 84%
Wind Speed SW 6 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 8 Aug 8:52 am EDT
Extended Forecast for

Colchester CT

Heat Advisory August 8, 11:00am until August 8, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 96. West wind 5 to 9 mph.

    High: 88 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Calm wind becoming west 5 to 8 mph in the morning.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 96. West wind 5 to 9 mph.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 89. Calm wind becoming west 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 64. Calm wind.
Monday
Sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Friday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Colchester CT
 41.57°N 72.33°W (Elev. 459 ft)
Last Update:
2:28 am EDT Aug 8, 2026
Forecast Valid:
9am EDT Aug 8, 2026-6pm EDT Aug 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation