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

74°F

23°C

Humidity 91%
Wind Speed S 6 mph
Barometer 30.03 in (1015.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 13 Jul 12:56 am EDT
Extended Forecast for

Warren PA

  • Overnight

    Overnight: A chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms. Patchy fog before 8am. High near 88. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Chance
    T-storms and
    Patchy Fog
    then T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms. Patchy fog before 8am. High near 88. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 60. Calm wind.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warren PA
 41.84°N 79.16°W (Elev. 1198 ft)
Last Update:
11:24 pm EDT Jul 12, 2025
Forecast Valid:
1am EDT Jul 13, 2025-6pm EDT Jul 19, 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