Mount Washington Weather Forecast

    • 38
    • 53

    Chance Rain Showers

    • 26
    • 43

    Windy

    • 30
    • 41

    Breezy

    • 30
    • 37

    Rain Showers Likely

    • 28
    • 41

    Breezy

    • 28
    • 41

    Partly Sunny

Today 17 Sep Southern Coos

Cloudy. Patchy fog this morning. A chance of Sprinkles this Morning, then a chance of Showers this afternoon. Highs in the lower 70s. Light and variable Winds. Chance of rain 50 percent.

Tonight 17 Sep Southern Coos

Mostly cloudy in the Evening, then becoming partly cloudy. A 50 percent chance of Showers. Patchy fog. Lows in the lower 50s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Washington Temperature Statistics

September Temperature

Mount Washington (0 miles)

  • Lowest 11 September, 2026

    31.5 °F

  • Average September

    44.2 °F

  • Highest 10 September, 2026

    55.4 °F

Climate (2021–2026)

Mount Washington (0 miles)

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

  • Average Low 2021–2026

    24.4 °F

  • Average 2021–2026

    29.8 °F

  • Average High 2021–2026

    35 °F
Get WillyWeather+ to remove ads