| National Weather Service Forecast for:
Jamestown, NY Issued by: National Weather Service Buffalo/Cheektowaga, NY |
||||||||||||||||||||||||||||||||||||||||
| Updated: Mon, 29-Jun-2026 9:57am EDT | ||||||||||||||||||||||||||||||||||||||||
| Chautauqua NY | ||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
Heat Advisory issued June 29 at 1:14PM EDT until June 30 at 8:00PM EDT
| Today |
Mostly sunny, with a high near 85. Southeast wind around 5 mph. |
| Tonight |
Partly cloudy, with a low around 67. South wind 1 to 5 mph. |
| Tuesday |
A chance of showers and thunderstorms between 8am and 11am, then a chance of showers and thunderstorms between 11am and 2pm. Partly sunny, with a high near 90. Heat index values as high as 98. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
A slight chance of rain showers after 2am. Partly cloudy, with a low around 72. Heat index values as high as 97. Southwest wind 3 to 8 mph. Chance of precipitation is 20%. |
| Wednesday |
A slight chance of rain showers before 8am. Sunny, with a high near 93. Southwest wind 6 to 10 mph. Chance of precipitation is 20%. |
| Wednesday Night |
Mostly clear, with a low around 71. Southwest wind 3 to 9 mph. |
| Thursday |
Sunny, with a high near 95. Southwest wind 3 to 10 mph. |
| Thursday Night |
Mostly clear, with a low around 72. Southwest wind 2 to 9 mph. |
| Friday |
Sunny, with a high near 91. |
| Friday Night |
A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 40%. |
| Independence Day |
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%. |
| Saturday Night |
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%. |
| Sunday |
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%. |
| Sunday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. |
Forecast from NOAA-NWS for Jamestown, NY.