Stillwater Weather Forecast

    • 51
    • 57

    Rain Showers

    • 52
    • 63

    Chance Rain Showers

    • 48
    • 69

    Partly Sunny

    • 59
    • 75

    Mostly Cloudy

    • 46
    • 76

    Partly Sunny

    • 41
    • 68

    Mostly Sunny

    • 46
    • 66

    Partly Sunny

Today 28 Sep Southern Penobscot

Widespread Showers. Patchy fog. Near steady temperature in the mid 50s. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 28 Sep Southern Penobscot

Widespread Showers. Patchy fog. Near steady temperature in the lower 50s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stillwater Temperature Statistics

September Temperature

Bangor, Bangor International Airport (9.9 miles)

  • Lowest 24 September, 2026

    34.6 °F

  • Average September

    59.9 °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

    37.1 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.9 °F
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