Stillwater Weather Forecast

    • 59
    • 65

    Rain

    • 56
    • 77

    Chance Rain Showers

    • 50
    • 68

    Partly Sunny

    • 47
    • 71

    Mostly Sunny

    • 52
    • 78

    Slight Chance Rain Showers

    • 50
    • 75

    Partly Sunny

    • 55
    • 72

    Chance Rain Showers

Today 3 Sep Southern Penobscot

Cloudy with a 50 percent chance of rain. Patchy fog. Near steady temperature in the mid 60s. Southeast Winds 5 to 10 Mph.

Tonight 3 Sep Southern Penobscot

Cloudy. Isolated Showers in the evening. Areas of fog. Lows in the upper 50s. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 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

    48 °F

  • Average September

    63 °F

  • Highest 1 September, 2026

    78.1 °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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