Mount Washington Weather Forecast

    • 44
    • 50

    Slight Chance Rain Showers

    • 40
    • 50

    Rain Showers Likely

    • 35
    • 43

    Rain Showers

    • 36
    • 45

    Breezy

    • 37
    • 49

    Slight Chance Rain Showers

    • 35
    • 46

    Breezy

Today 3 Sep Southern Coos

Areas of fog this morning. Cloudy with rain with a slight chance of Thunderstorms this Morning, then partly sunny with a slight chance of Showers and Thunderstorms this afternoon. Visibility one quarter mile or less at Times this morning. Highs in the lower 70s. Light and variable Winds. Chance of rain 90 percent.

Tonight 3 Sep Southern Coos

Partly cloudy. A slight chance of Showers in the evening. Patchy fog. Lows in the mid 50s. Light and variable Winds. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Washington Temperature Statistics

September Temperature

Mount Washington (0 miles)

  • Lowest 1 September, 2026

    42.8 °F

  • Average September

    46.9 °F

  • Highest 1 September, 2026

    51.8 °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

    34.9 °F
Get WillyWeather+ to remove ads