Current conditions at
Jamestown, Chautauqua County/Jamestown Airport (KJHW)
Lat: 42.15°NLon: 79.27°WElev: 1722ft.
Fair
74°F
23°C
| Humidity | 52% |
| Wind Speed | SW 8 mph |
| Barometer | 30.16 in (1021.1 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 4 Aug 12:56 pm EDT |
Extended Forecast for
4 Miles NNW Grand Valley PA
This Afternoon
High: 80 °F
Sunny
Tonight
Low: 60 °F
Mostly Clear
Wednesday
High: 82 °F
Mostly Sunny
then Heavy
RainWednesday Night
Low: 66 °F
Heavy Rain
then Chance
ShowersThursday
High: 81 °F
Heavy Rain
Thursday Night
Low: 67 °F
Heavy Rain
then Chance
ShowersFriday
High: 80 °F
Heavy Rain
Friday Night
Low: 63 °F
Heavy Rain
then Showers
LikelySaturday
High: 80 °F
Chance
Showers then
Showers
Likely
Detailed Forecast
This Afternoon
Sunny, with a high near 80. Calm wind.
Tonight
Mostly clear, with a low around 60. Light southeast wind.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 82. South wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 66. Light south wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 81. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 80. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 63. Chance of precipitation is 80%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NNW Grand Valley PA
41.77°N 79.58°W (Elev. 1696 ft)
41.77°N 79.58°W (Elev. 1696 ft)
12:36 pm EDT Aug 4, 2026
1pm EDT Aug 4, 2026-6pm EDT Aug 10, 2026
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