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

76°F

24°C

Humidity 79%
Wind Speed S 9 mph
Barometer 30.23 in (1024.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 17 Sep 12:56 pm EDT
Extended Forecast for

Harwinton CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 77. South wind around 6 mph.

    High: 77 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers, mainly after 7pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 63 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 74. North wind 8 to 10 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. North wind 3 to 5 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 62. Chance of precipitation is 90%.

    High: 62 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 77. South wind around 6 mph.
Tonight
A chance of showers, mainly after 7pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Sunny, with a high near 74. North wind 8 to 10 mph.
Friday Night
Partly cloudy, with a low around 47. North wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 66. Light and variable wind.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly after 8am. High near 62. Chance of precipitation is 90%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 63.
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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 am EDT Sep 17, 2026
Forecast Valid:
1pm EDT Sep 17, 2026-6pm EDT Sep 23, 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