Tionesta Weather Forecast
- 50
- 76
Becoming Sunny
- 51
- 77
Partly Sunny
- 60
- 80
Partly Sunny
- 64
- 85
Chance Rain Showers
- 52
- 74
Slight Chance Rain Showers
- 50
- 72
Mostly Sunny
Today 6 Sep Forest
Patchy fog in the morning. Partly cloudy. Highs in the mid 70s. Northeast Winds around 5 Mph.
Tonight 6 Sep Forest
Mainly clear. Lows in the upper 40s. Northeast Winds around 5 Mph.
Tionesta Temperature Statistics
September Temperature
Franklin, Venango Regional Airport (22.4 miles)
Lowest 3 September, 2026
66 °FAverage September
74.1 °FHighest 2 September, 2026
87.1 °F
Climate (2021–2026)
Franklin, Venango Regional Airport (22.4 miles)
Average Low 2021–2026
40.7 °FAverage 2021–2026
49.4 °FAverage High 2021–2026
58.2 °F