Mifflinburg Weather Forecast
- 57
- 82
Mostly Sunny
- 57
- 82
Partly Sunny
- 57
- 80
Partly Sunny
- 57
- 75
Mostly Cloudy
- 58
- 81
Mostly Sunny
- 57
- 85
Partly Sunny
Today 14 Sep Union
Sunny. Very warm with Highs in the lower 80s. North Winds around 5 Mph.
Tonight 14 Sep Union
Partly cloudy. Lows in the upper 50s. North Winds around 5 Mph.
Mifflinburg Temperature Statistics
September Temperature
Selinsgrove Penn Valley Airport (11.2 miles)
Lowest 8 September, 2025
39.9 °FAverage September
62.5 °FHighest 5 September, 2025
82 °F
Climate (2020–Present)
Selinsgrove Penn Valley Airport (11.2 miles)
Average Low 2020–2025
42.4 °FAverage 2020–2025
52.6 °FAverage High 2020–2025
63.2 °F