Stillwater Weather Forecast

    • 59
    • 74

    Rain Showers

    • 48
    • 71

    Mostly Cloudy

    • 47
    • 72

    Partly Sunny

    • 53
    • 79

    Mostly Sunny

    • 47
    • 75

    Partly Sunny

    • 56
    • 73

    Chance Rain Showers

    • 51
    • 77

    Chance Rain Showers

Today 4 Sep Southern Penobscot

Mostly cloudy with scattered Showers with isolated Thunderstorms. Highs in the mid 70s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 4 Sep Southern Penobscot

Partly cloudy. Scattered Showers with isolated Thunderstorms this evening. Patchy fog this evening. Lows in the upper 50s. North Winds around 5 Mph with Gusts up to 15 Mph, increasing to 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

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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

    63.5 °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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