| National Weather Service Forecast for:
Jamestown, NY Issued by: National Weather Service Buffalo/Cheektowaga, NY |
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| Updated: Mon, 20-Jul-2026 2:22am EDT | ||||||||||||||||||||||||||||||||||||||||
| Chautauqua NY | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Areas of fog. Mostly clear, with a low around 50. Southeast wind around 2 mph. |
| Monday |
Areas of fog before 8am. Sunny, with a high near 77. South wind 2 to 6 mph. |
| Monday Night |
Mostly cloudy, with a low around 60. South wind 3 to 7 mph. |
| Tuesday |
A chance of rain showers between 8am and 11am, then showers and thunderstorms. Mostly cloudy, with a high near 77. Southwest wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. |
| Tuesday Night |
Showers and thunderstorms. Mostly cloudy, with a low around 57. West wind 7 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible. |
| Wednesday |
A chance of showers and thunderstorms. Partly sunny, with a high near 67. Northwest wind 8 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
A slight chance of rain showers before 8pm. Mostly clear, with a low around 50. West wind 1 to 13 mph. |
| Thursday |
Sunny, with a high near 74. West wind 0 to 6 mph. |
| Thursday Night |
Mostly clear, with a low around 51. |
| Friday |
Sunny, with a high near 79. |
| Friday Night |
Mostly clear, with a low around 56. |
| Saturday |
Mostly sunny, with a high near 82. |
| Saturday Night |
Partly cloudy, with a low around 59. |
| Sunday |
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 83. |
Forecast from NOAA-NWS for Jamestown, NY.