Stillwater Weather Forecast

    • 43
    • 70

    Mostly Sunny

    • 50
    • 71

    Chance Rain

    • 50
    • 63

    Rain Likely

    • 49
    • 62

    Rain Showers Likely

    • 49
    • 62

    Rain Showers Likely

    • 48
    • 67

    Partly Sunny

Today 24 Sep Southern Penobscot

Areas of frost with patchy fog in the morning. Sunny. Highs around 70. Northeast Winds around 5 Mph.

Tonight 24 Sep Southern Penobscot

Mostly clear. Patchy fog after midnight. Lows in the mid 40s. Northeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Stillwater Temperature Statistics

September Temperature

Bangor, Bangor International Airport (9.9 miles)

  • Lowest 15 September, 2026

    39.7 °F

  • Average September

    60.7 °F

  • Highest 10 September, 2026

    82.7 °F

Climate (2021–2026)

Bangor, Bangor International Airport (9.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.9 °F
Get WillyWeather+ to remove ads