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

73°F

23°C

Humidity 53%
Wind Speed Calm
Barometer 29.95 in (1014.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 7:56 pm EDT
Extended Forecast for

Northwest Harwinton CT

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Light northwest wind.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 71. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Slight Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 57. Southeast wind 5 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 57 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 8am. Partly sunny, with a high near 75. Northwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Northwest wind around 6 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. Light northwest wind.
Monday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 71. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 57. Southeast wind 5 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers likely, mainly before 8am. Partly sunny, with a high near 75. Northwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Mostly clear, with a low around 56. Northwest wind around 6 mph.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 80.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Friday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwinton CT
 41.77°N 73.05°W (Elev. 932 ft)
Last Update:
8:36 pm EDT Jun 21, 2026
Forecast Valid:
8pm EDT Jun 21, 2026-6pm EDT Jun 28, 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