Stillwater Weather Forecast
- 54
- 77
Mostly Sunny
- 45
- 73
Partly Sunny
- 56
- 68
Rain Showers Likely
- 52
- 80
Partly Sunny
- 48
- 72
Mostly Sunny
- 50
- 75
Mostly Sunny
Today 7 Sep Southern Penobscot
Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 7 Sep Southern Penobscot
Mostly clear. Lows in the mid 50s. West Winds 5 to 10 Mph.
Stillwater Temperature Statistics
September Temperature
Bangor, Bangor International Airport (9.9 miles)
Lowest 1 September, 2026
47.6 °FAverage September
64.3 °FHighest 1 September, 2026
80.7 °F
Climate (2021–2026)
Bangor, Bangor International Airport (9.9 miles)
Average Low 2021–2026
37.2 °FAverage 2021–2026
47.2 °FAverage High 2021–2026
56.9 °F