Washington Lake Weather Forecast

    • 64
    • 83

    Rain Showers

    • 58
    • 76

    Chance Thunderstorms

    • 59
    • 77

    Mostly Sunny

    • 65
    • 81

    Partly Sunny

    • 66
    • 85

    Slight Chance Thunderstorms

    • 64
    • 85

    Chance Thunderstorms

Today 22 Jul Mahnomen

Showers likely and a chance of Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall this morning. Some Thunderstorms may produce damaging Winds, large Hail, and heavy rainfall this afternoon. Highs in the mid 80s. South Winds 5 to 15 Mph. Chance of rain 70 percent.

Tonight 22 Jul Mahnomen

Mostly cloudy. Showers with Thunderstorms likely in the Evening, then a chance of Showers and Thunderstorms after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy Rainfall, then some Thunderstorms may produce damaging Winds, large Hail, and heavy rainfall after midnight. Lows in the mid 60s. Southeast Winds around 5 Mph shifting to the northeast after midnight. Chance of rain 80 percent.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Washington Lake Temperature Statistics

July Temperature

Fosston, Fosston Municipal Airport (14.9 miles)

  • Lowest 17 July, 2025

    42.8 °F
  • Average July

    67.3 °F
  • Highest 4 July, 2025

    91.4 °F

Climate (2020–Present)

Fosston, Fosston Municipal Airport (14.9 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    30.2 °F
  • Average 2020–2025

    40.1 °F
  • Average High 2020–2025

    49.4 °F
Get WillyWeather+ to remove ads