Stillwater Weather Forecast

    • 43
    • 74

    Partly Sunny

    • 58
    • 71

    Rain Showers Likely

    • 53
    • 82

    Partly Sunny

    • 47
    • 73

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

Today 8 Sep Southern Penobscot

Partly sunny with scattered Showers in the Morning, then sunny in the afternoon. Highs in the mid 70s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 8 Sep Southern Penobscot

Clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stillwater Temperature Statistics

September Temperature

Bangor, Bangor International Airport (9.9 miles)

  • Lowest 1 September, 2026

    47.6 °F

  • Average September

    64.6 °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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