Jamestown Weather Forecast
- 56
- 77
Rain Showers
- 49
- 66
Chance Rain Showers
- 51
- 73
Sunny
- 56
- 80
Partly Sunny
- 59
- 83
Partly Sunny
- 61
- 83
Chance Rain Showers
Today 21 Jul Chautauqua
Partly sunny early. Showers with a chance of Thunderstorms late this morning. Showers with Thunderstorms likely this afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall from late morning on. Highs Ranging from the mid 70s on the Hilltops to the upper 70s across the lower Elevations. South Winds 10 to 20 Mph with Gusts up to 30 Mph, becoming southwest. Chance of rain 90 percent.
Tonight 21 Jul Chautauqua
Mostly cloudy. Showers with Thunderstorms likely in the Evening, then a chance of Showers overnight. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Lows Ranging from the mid 50s in interior Valleys to around 60 along the lake Erie shore. Southwest Winds 10 to 15 Mph, becoming northwest. Chance of rain 80 percent.
Jamestown Temperature Statistics
July Temperature
Jamestown, Chautauqua County/Jamestown Airport (3.7 miles)
Lowest 17 July, 2026
57.9 °FAverage July
73.3 °FHighest 1 July, 2026
89.1 °F
Climate (2021–2026)
Jamestown, Chautauqua County/Jamestown Airport (3.7 miles)
Average Low 2021–2026
40.4 °FAverage 2021–2026
48.1 °FAverage High 2021–2026
55.9 °F