Stillwater Weather Forecast

    • 53
    • 74

    Mostly Cloudy

    • 55
    • 73

    Mostly Cloudy

    • 41
    • 71

    Mostly Sunny

    • 42
    • 63

    Partly Sunny

    • 43
    • 61

    Chance Rain Showers

    • 42
    • 65

    Chance Rain Showers

    • 41
    • 64

    Slight Chance Rain Showers

Today 16 Sep Southern Penobscot

Mostly sunny. Near steady temperature in the lower 70s. Southwest Winds 5 to 10 Mph.

Tonight 16 Sep Southern Penobscot

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. Southwest Winds around 5 Mph with Gusts up to 15 Mph, becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stillwater Temperature Statistics

September Temperature

Bangor, Bangor International Airport (9.9 miles)

  • Lowest 9 September, 2026

    40.6 °F

  • Average September

    62.3 °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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