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

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

27°C

80°F

Humidity 67%
Wind Speed Calm
Barometer 1018.0 mb (30.09 in)
Dewpoint 20°C (68°F)
Visibility 16 km
Heat Index28°C (83°F)
Last update 14 Jul 4:56 pm EDT
Extended Forecast for

Jamestown NY

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly clear, with a low around 17. Northwest wind 5 to 8 km/h becoming calm in the evening.

    Low: 17 °C

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 31. Calm wind.

    High: 31 °C

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °C

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 29. Southwest wind 5 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 29 °C

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 20. South wind around 8 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 20 °C

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 29. West wind 11 to 18 km/h, with gusts as high as 34 km/h. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 29 °C

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 18. West wind 8 to 13 km/h. Chance of precipitation is 60%.

    Low: 18 °C

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 26. Northwest wind 8 to 11 km/h. Chance of precipitation is 40%.

    High: 26 °C

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16.

    Low: 16 °C

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly clear, with a low around 17. Northwest wind 5 to 8 km/h becoming calm in the evening.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 31. Calm wind.
Tuesday Night
Partly cloudy, with a low around 20. Calm wind.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 29. Southwest wind 5 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 20. South wind around 8 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 29. West wind 11 to 18 km/h, with gusts as high as 34 km/h. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 18. West wind 8 to 13 km/h. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 26. Northwest wind 8 to 11 km/h. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 28.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 27. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 27. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown NY
 42.09°N 79.24°W (Elev. 1430 m)
Last Update:
4:36 pm EDT Jul 14, 2025
Forecast Valid:
5pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
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