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.

Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 29.74 in (1008.5 mb)
Dewpoint 41°F (5°C)
Visibility 4.00 mi
Last update 21 Mar 2:56 am EDT
Extended Forecast for

Northwest Harwinton CT

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 38. Light west wind.

    Low: 38 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 49. North wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 49 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 36. Calm wind.

    Low: 36 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of rain before 7am, then rain likely after 8am. Mostly cloudy, with a high near 56. Southwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance Rain
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain before 5am, then rain and snow likely. Low around 35. West wind around 6 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain then
    Rain/Snow

  • Monday

    Monday: Rain and snow likely before 8am, then a chance of snow between 8am and 2pm. Mostly cloudy, with a high near 42. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 38. Light west wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 49. North wind 8 to 10 mph, with gusts as high as 22 mph.
Saturday Night
Increasing clouds, with a low around 36. Calm wind.
Sunday
A slight chance of rain before 7am, then rain likely after 8am. Mostly cloudy, with a high near 56. Southwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain before 5am, then rain and snow likely. Low around 35. West wind around 6 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain and snow likely before 8am, then a chance of snow between 8am and 2pm. Mostly cloudy, with a high near 42. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Friday
Rain and snow likely. Partly sunny, with a high near 45. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwinton CT
 41.77°N 73.05°W (Elev. 932 ft)
Last Update:
2:36 am EDT Mar 21, 2026
Forecast Valid:
3am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation