Stillwater Weather Forecast

    • 58
    • 73

    Chance Rain Showers

    • 41
    • 72

    Becoming Sunny

    • 41
    • 63

    Mostly Sunny

    • 43
    • 64

    Slight Chance Rain Showers

    • 41
    • 65

    Partly Sunny

    • 40
    • 63

    Mostly Sunny

    • 41
    • 65

    Mostly Sunny

Today 17 Sep Southern Penobscot

Mostly sunny. Highs in the mid 60s.

Tonight 17 Sep Southern Penobscot

Numerous Showers. Patchy fog. Lows in the upper 50s. South Winds around 5 Mph. Chance of rain 70 percent.

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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

    61.9 °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

    37.2 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.9 °F
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