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.

Overcast

59°F

15°C

Humidity 62%
Wind Speed S 5 mph
Barometer 30.08 in (1019.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 30 Mar 10:56 pm EDT
Extended Forecast for

Harwinton CT

  • Tonight

    Tonight: Showers likely, mainly after 5am. Mostly cloudy, with a low around 53. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 69. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Southwest wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 66. Southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 41. Northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly before 2pm. Cloudy, with a high near 48. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain. Cloudy, with a low around 40. Chance of precipitation is 30%.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

    Low: 53 °F

    Chance Rain

Detailed Forecast

Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 53. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 69. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Southwest wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 66. Southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 41. Northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly before 2pm. Cloudy, with a high near 48. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain. Cloudy, with a low around 40. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 66.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Saturday
A chance of rain after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Sunday
A chance of rain. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Monday
A chance of rain. Partly sunny, with a high near 54. Chance of precipitation is 30%.
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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:
8:37 pm EDT Mar 30, 2026
Forecast Valid:
11pm EDT Mar 30, 2026-6pm EDT Apr 6, 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