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

Oxford, Waterbury-Oxford Airport (KOXC)

Lat: 41.48°NLon: 73.13°WElev: 725ft.

Partly Cloudy

28°F

-2°C

Humidity 75%
Wind Speed N 5 mph
Barometer 30.40 in (1031.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 15 Mar 4:56 am EDT
Extended Forecast for

Harwinton CT

  • Today

    Today: Mostly cloudy, with a high near 43. Calm wind becoming southeast 5 to 9 mph in the afternoon.

    High: 43 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain likely, with thunderstorms also possible after 5am. Increasing clouds, with a low around 33. Southeast wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: Rain and possibly a thunderstorm before 11am, then showers and possibly a thunderstorm after 11am. High near 58. South wind 8 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 58 °F

    Showers

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm before 2am, then showers likely after 2am. Low around 32. Breezy, with a south wind 16 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 32 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Showers likely before 8am. Mostly sunny, with a high near 38. West wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Showers
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 43. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Tonight
Rain likely, with thunderstorms also possible after 5am. Increasing clouds, with a low around 33. Southeast wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Rain and possibly a thunderstorm before 11am, then showers and possibly a thunderstorm after 11am. High near 58. South wind 8 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Rain and possibly a thunderstorm before 2am, then showers likely after 2am. Low around 32. Breezy, with a south wind 16 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers likely before 8am. Mostly sunny, with a high near 38. West wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 19.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 50.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Harwinton CT
 41.75°N 73.06°W (Elev. 801 ft)
Last Update:
2:37 am EDT Mar 15, 2026
Forecast Valid:
5am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation