Stillwater Weather Forecast

    • 51
    • 73

    Mostly Cloudy

    • 51
    • 67

    Rain Likely

    • 48
    • 65

    Rain Showers Likely

    • 50
    • 60

    Rain Showers Likely

    • 49
    • 63

    Partly Sunny

    • 49
    • 69

    Partly Sunny

Today 25 Sep Southern Penobscot

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the lower 70s. Northeast Winds 5 to 10 Mph.

Tonight 25 Sep Southern Penobscot

Cloudy. Lows in the lower 50s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stillwater Temperature Statistics

September Temperature

Bangor, Bangor International Airport (9.9 miles)

  • Lowest 23 September, 2026

    39 °F

  • Average September

    60 °F

  • Highest 10 September, 2026

    82.7 °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

    47.1 °F

  • Average High 2021–2026

    56.9 °F
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