Mifflinburg Weather Forecast
- 56
- 81
Increasing Clouds
- 57
- 80
Partly Sunny
- 58
- 75
Chance Rain Showers
- 57
- 82
Mostly Sunny
- 53
- 83
Mostly Sunny
- 51
- 75
Partly Sunny
Today 15 Sep Union
Sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.
Tonight 15 Sep Union
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 50s. East Winds around 5 Mph.
Mifflinburg Temperature Statistics
September Temperature
Selinsgrove Penn Valley Airport (11.2 miles)
Lowest 8 September, 2025
39.9 °FAverage September
62.4 °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