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

NORWICH (KOIC)

Lat: 42.57°NLon: 75.52°WElev: 1025ft.

Fair

64°F

18°C

Humidity 88%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 Aug 8:35 pm EDT
Extended Forecast for

Treadwell NY

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming west 5 to 7 mph in the morning.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly between 2am and 3am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

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

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 55. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming west 5 to 7 mph in the morning.
Wednesday Night
A chance of showers, mainly between 2am and 3am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 50. Calm wind.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 55.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Saturday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Sunday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 73. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.
Monday
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 30%.
Monday Night
A chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Treadwell NY
 42.33°N 75.04°W (Elev. 1873 ft)
Last Update:
2:30 pm EDT Aug 18, 2026
Forecast Valid:
8pm EDT Aug 18, 2026-6pm EDT Aug 25, 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