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.

Fog/Mist

40°F

4°C

Humidity 100%
Wind Speed S 8 mph
Barometer 30.06 in (1019.6 mb)
Dewpoint 40°F (4°C)
Visibility 6.00 mi
Wind Chill35°F (2°C)
Last update 7 Mar 1:56 pm EST
Extended Forecast for

Harwinton CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 43. South wind around 8 mph.

    High: 43 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, mainly between 1am and 5am. Mostly cloudy, with a low around 43. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers before 9am. Cloudy through mid morning, then gradual clearing, with a high near 59. West wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 59 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. West wind around 5 mph becoming calm after midnight.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.

    High: 61 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 43. South wind around 8 mph.
Tonight
Showers likely, mainly between 1am and 5am. Mostly cloudy, with a low around 43. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers before 9am. Cloudy through mid morning, then gradual clearing, with a high near 59. West wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 35. West wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 61. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Thursday
Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 41.
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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:
12:52 pm EST Mar 7, 2026
Forecast Valid:
2pm EST Mar 7, 2026-6pm EDT Mar 13, 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