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

40°F

4°C

Humidity 77%
Wind Speed S 5 mph
Barometer 30.29 in (1027.5 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 30 Mar 2:56 am EDT
Extended Forecast for

Harwinton CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. South wind around 6 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64. Southwest wind 7 to 14 mph, with gusts as high as 28 mph.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers, mainly after midnight. Mostly cloudy, with a low around 51. Southwest wind 5 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of rain, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 69. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain and thunderstorms, then a chance of rain after 11pm. Mostly cloudy, with a low around 58. Southwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Slight Chance
    T-storms then
    Chance Rain

  • Wednesday

    Wednesday: Rain and thunderstorms likely before 11am, then showers likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.

    Low: 43 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Cloudy, with a high near 48. Chance of precipitation is 40%.

    High: 48 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain. Cloudy, with a low around 39. Chance of precipitation is 40%.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. South wind around 6 mph.
Monday
Partly sunny, with a high near 64. Southwest wind 7 to 14 mph, with gusts as high as 28 mph.
Monday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 51. Southwest wind 5 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of rain, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 69. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of rain and thunderstorms, then a chance of rain after 11pm. Mostly cloudy, with a low around 58. Southwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain and thunderstorms likely before 11am, then showers likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.
Thursday
A chance of showers. Cloudy, with a high near 48. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Cloudy, with a low around 39. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Cloudy, with a low around 42. Chance of precipitation is 50%.
Sunday
Rain likely. Cloudy, with a high near 61. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harwinton CT
 41.75°N 73.06°W (Elev. 801 ft)
Last Update:
2:36 am EDT Mar 30, 2026
Forecast Valid:
3am EDT Mar 30, 2026-6pm EDT Apr 5, 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