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

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

63°F

17°C

Humidity NA
Wind Speed N 3 mph
Barometer 29.99 in (1015.3 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 18 Aug 12:56 am EDT
Extended Forecast for

Warren PA

  • Overnight

    Overnight: Areas of fog. Otherwise, partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Areas Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 80 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

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

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 79. Southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers after 2am. Low around 55. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, partly cloudy, with a low around 57. Calm wind.
Tuesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 57. Calm wind.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 79. Southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers after 2am. Low around 55. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Showers likely after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Warren PA
 41.84°N 79.16°W (Elev. 1198 ft)
Last Update:
9:26 pm EDT Aug 17, 2026
Forecast Valid:
1am EDT Aug 18, 2026-6pm EDT Aug 24, 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