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.

Fair

36°F

2°C

Humidity 86%
Wind Speed S 6 mph
Barometer 29.78 in (1010.0 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 14 Mar 1:56 am EDT
Extended Forecast for

Harwinton CT

  • Overnight

    Overnight: Mostly clear, with a low around 33. Southwest wind around 10 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 44. West wind 15 to 18 mph, with gusts as high as 38 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. West wind 8 to 13 mph becoming light northwest after midnight. Winds could gust as high as 24 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 43. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 43 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers after 2am. Low around 34. Southeast wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Mostly Cloudy
    then Showers

  • Monday

    Monday: Rain, with thunderstorms also possible after 11am. High near 59. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 59 °F

    Rain

  • Monday Night

    Monday Night: Rain, mainly before 2am. Low around 34. Chance of precipitation is 100%.

    Low: 34 °F

    Rain

  • Tuesday

    Tuesday: A chance of rain before 8am. Partly sunny, with a high near 43. Chance of precipitation is 30%.

    High: 43 °F

    Chance Rain
    then Partly
    Sunny

  • Tuesday Night

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

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 33. Southwest wind around 10 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 44. West wind 15 to 18 mph, with gusts as high as 38 mph.
Saturday Night
Partly cloudy, with a low around 27. West wind 8 to 13 mph becoming light northwest after midnight. Winds could gust as high as 24 mph.
Sunday
Mostly cloudy, with a high near 43. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Sunday Night
Showers after 2am. Low around 34. Southeast wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, with thunderstorms also possible after 11am. High near 59. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Rain, mainly before 2am. Low around 34. Chance of precipitation is 100%.
Tuesday
A chance of rain before 8am. Partly sunny, with a high near 43. Chance of precipitation is 30%.
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 43.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harwinton CT
 41.75°N 73.06°W (Elev. 801 ft)
Last Update:
8:37 pm EDT Mar 13, 2026
Forecast Valid:
2am EDT Mar 14, 2026-6pm EDT Mar 20, 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