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

63°F

17°C

Humidity 88%
Wind Speed SE 5 mph
Barometer 30.03 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 May 8:15 am EDT
Extended Forecast for

Treadwell NY

  • Today

    Today: Mostly sunny, with a high near 80. West wind 5 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 85. Southwest wind 3 to 8 mph.

    High: 85 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. South wind around 6 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. West wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of thunderstorms before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers likely after 2pm. High near 78. Chance of precipitation is 90%.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. West wind 5 to 8 mph.
Tonight
Partly cloudy, with a low around 57. Calm wind.
Monday
Partly sunny, then gradually becoming sunny, with a high near 85. Southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 65. South wind around 6 mph.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. West wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Wednesday
A chance of thunderstorms before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers likely after 2pm. High near 78. Chance of precipitation is 90%.
Wednesday Night
Showers likely before 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Treadwell NY
 42.36°N 75.04°W (Elev. 1759 ft)
Last Update:
6:09 am EDT May 17, 2026
Forecast Valid:
8am EDT May 17, 2026-6pm EDT May 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