National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Oxford, Waterbury-Oxford Airport (KOXC)

Lat: 41.48°NLon: 73.13°WElev: 725ft.

Fair

81°F

27°C

Humidity 65%
Wind Speed W 8 mph
Barometer 29.89 in (1012.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 14 Jul 11:56 pm EDT
Extended Forecast for

Harwinton CT

Heat Advisory July 15, 12:13am until July 15, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 12:13am until July 15, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • Overnight

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy smoke after 9am. Mostly sunny, with a high near 86. Northwest wind 8 to 10 mph, with gusts as high as 23 mph.

    High: 86 °F

    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Widespread smoke, mainly between 8pm and 10pm. Partly cloudy, with a low around 64. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 64 °F

    Smoke

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. Northwest wind 3 to 7 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Partly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 71. West wind around 7 mph.
Wednesday
Patchy smoke after 9am. Mostly sunny, with a high near 86. Northwest wind 8 to 10 mph, with gusts as high as 23 mph.
Wednesday Night
Widespread smoke, mainly between 8pm and 10pm. Partly cloudy, with a low around 64. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 86. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 62. Northwest wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 82.
Friday Night
A chance of showers after 2am. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 82.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harwinton CT
 41.75°N 73.06°W (Elev. 801 ft)
Last Update:
8:36 pm EDT Jul 14, 2026
Forecast Valid:
12am EDT Jul 15, 2026-6pm EDT Jul 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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