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.

61°F

16°C

Humidity 81%
Wind Speed Calm
Barometer 29.93 in (1014.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Sep 1:56 am EDT
Extended Forecast for

Northwest Harwinton CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 58. Light northwest wind.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 73. Northwest wind 5 to 7 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Calm wind becoming south around 6 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely after 2am. Mostly cloudy, with a low around 61. South wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 61 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 58. Light northwest wind.
Friday
Sunny, with a high near 73. Northwest wind 5 to 7 mph.
Friday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 51. Calm wind.
Saturday
Mostly sunny, with a high near 75. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Showers likely after 2am. Mostly cloudy, with a low around 61. South wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
A chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
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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 Sep 10, 2026
Forecast Valid:
2am EDT Sep 11, 2026-6pm EDT Sep 17, 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