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

73°F

23°C

Humidity 66%
Wind Speed Calm
Barometer 30.25 in (1023.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Aug 10:56 am EDT
Extended Forecast for

Warren PA

  • Today

    Today: Mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 81. Southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 67. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 80. Northwest wind 3 to 7 mph.

    High: 80 °F

    Partly Sunny

  • Monday Night

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

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 85. Calm wind.
Tonight
Mostly cloudy, with a low around 65. Calm wind.
Sunday
Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 81. Southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 67. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, with a high near 80. Northwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 40%.
Wednesday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Warren PA
 41.86°N 79.15°W (Elev. 1198 ft)
Last Update:
8:06 am EDT Aug 15, 2026
Forecast Valid:
11am EDT Aug 15, 2026-6pm EDT Aug 21, 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