Grass Lake Weather Forecast

    • 47
    • 85

    Sunny

    • 47
    • 86

    Sunny

    • 47
    • 85

    Sunny

    • 48
    • 85

    Partly Sunny

    • 50
    • 85

    Partly Sunny

    • 50
    • 86

    Mostly Sunny

Today 8 Jul North Central and Southeast Siskiyou County

Sunny. Highs in the lower 80s to lower 90s. North Winds around 5 Mph shifting to the northeast late this Morning, then shifting to the west this afternoon.

Tonight 8 Jul North Central and Southeast Siskiyou County

Clear. Lows in the lower to mid 50s. Northwest Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

July Temperature

Montague Siskiyou County Airport (17.4 miles)

  • Lowest 1 July, 2026

    40.6 °F

  • Average July

    71.5 °F

  • Highest 4 July, 2026

    96.7 °F

Climate (2021–2026)

Montague Siskiyou County Airport (17.4 miles)

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

  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    69.1 °F
Get WillyWeather+ to remove ads