Jamestown Weather Forecast
- 50
- 69
Increasing Clouds
- 51
- 72
Rain Showers Likely
- 46
- 65
Partly Sunny
- 47
- 68
Partly Sunny
- 50
- 73
Mostly Sunny
- 52
- 76
Partly Sunny
Today 27 Aug Mercer
Partly cloudy. Unseasonably cool with Highs in the upper 60s. West Winds 5 to 10 Mph.
Tonight 27 Aug Mercer
Partly cloudy in the Evening, then becoming mostly cloudy. Cool with Lows in the upper 40s. West Winds around 5 Mph, becoming south after midnight.
Jamestown Temperature Statistics
August Temperature
Port Meadville Airport (14.9 miles)
Lowest 2 August, 2025
48.7 °FAverage August
71.1 °FHighest 12 August, 2025
90.6 °F
Climate (2020–Present)
Port Meadville Airport (14.9 miles)
Average Low 2020–2025
43 °FAverage 2020–2025
51 °FAverage High 2020–2025
59.2 °F