Stillwater Weather Forecast

    • 51
    • 75

    Mostly Sunny

    • 57
    • 68

    Chance Rain Showers

    • 43
    • 71

    Mostly Sunny

    • 49
    • 71

    Chance Rain Showers

    • 53
    • 74

    Mostly Cloudy

    • 51
    • 70

    Chance Rain Showers

Today 12 Sep Southern Penobscot

Patchy fog in the morning. Sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 12 Sep Southern Penobscot

Clear. Patchy fog. Lows in the lower 40s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stillwater Temperature Statistics

September Temperature

Bangor, Bangor International Airport (9.9 miles)

  • Lowest 9 September, 2026

    41 °F

  • Average September

    62.7 °F

  • Highest 1 September, 2026

    80.7 °F

Climate (2021–2026)

Bangor, Bangor International Airport (9.9 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.9 °F
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