Stillwater Weather Forecast

    • 44
    • 68

    Becoming Sunny

    • 46
    • 70

    Mostly Sunny

    • 50
    • 76

    Partly Sunny

    • 53
    • 73

    Chance Rain Showers

    • 47
    • 73

    Partly Sunny

    • 46
    • 68

    Chance Rain Showers

Today 14 Sep Southern Penobscot

Patchy fog in the morning. Partly sunny with a chance of Showers in the Morning, then mostly sunny in the afternoon. Highs around 70. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 14 Sep Southern Penobscot

Cloudy with scattered Showers. Patchy fog. Near steady temperature around 60. Southwest Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

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Stillwater Temperature Statistics

September Temperature

Bangor, Bangor International Airport (9.9 miles)

  • Lowest 9 September, 2026

    40.6 °F

  • Average September

    62.8 °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

    47.2 °F

  • Average High 2021–2026

    56.9 °F
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