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.

Overcast

66°F

19°C

Humidity 90%
Wind Speed E 7 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Jun 4:56 pm EDT
Extended Forecast for

3 Miles N Grand Valley PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Mostly cloudy, with a high near 68. East wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers before 3pm, then a slight chance of showers after 4pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 74. East wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 74 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58. Light east wind.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 75. Southeast wind around 6 mph. Chance of precipitation is 20%.

    High: 75 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a high near 68. East wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers before 3pm, then a slight chance of showers after 4pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 74. East wind 3 to 6 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 58. Light east wind.
Monday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 75. Southeast wind around 6 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Showers likely after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Juneteenth
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 58.
Saturday
A chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Grand Valley PA
 41.76°N 79.55°W (Elev. 1693 ft)
Last Update:
2:07 pm EDT Jun 14, 2025
Forecast Valid:
4pm EDT Jun 14, 2025-6pm EDT Jun 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