Stillwater Weather Forecast
- 38
- 66
Mostly Sunny
- 44
- 69
Partly Sunny
- 50
- 69
Chance Rain Showers
- 50
- 65
Slight Chance Rain Showers
- 48
- 67
Slight Chance Rain Showers
Today 23 Sep Southern Penobscot
Patchy fog in the morning. Sunny. Highs in the mid 60s. Northeast Winds 5 to 10 Mph.
Tonight 23 Sep Southern Penobscot
Clear. Patchy fog after midnight. Lows in the upper 30s. North Winds around 5 Mph.
Stillwater Temperature Statistics
September Temperature
Bangor, Bangor International Airport (9.9 miles)
Lowest 15 September, 2026
39.7 °FAverage September
60.9 °FHighest 10 September, 2026
82.7 °F
Climate (2021–2026)
Bangor, Bangor International Airport (9.9 miles)
Average Low 2021–2026
37.2 °FAverage 2021–2026
47.1 °FAverage High 2021–2026
56.9 °F