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

77°F

25°C

Humidity 45%
Wind Speed N 10 mph
Barometer 30.10 in (1018.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Aug 11:56 am EDT
Extended Forecast for

4 Miles WSW Clarendon PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 85. North wind around 6 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 85. North wind around 6 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 60. Calm wind.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 89. Light and variable wind.
Friday Night
Mostly clear, with a low around 62. Calm wind.
Saturday
Sunny, with a high near 90. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Clarendon PA
 41.75°N 79.17°W (Elev. 1496 ft)
Last Update:
12:13 pm EDT Aug 14, 2025
Forecast Valid:
12pm EDT Aug 14, 2025-6pm EDT Aug 20, 2025
 
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Additional Resources

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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