Grassy Lake Weather Forecast

    • 49
    • 60

    Decreasing Clouds

    • 50
    • 61

    Mostly Sunny

    • 51
    • 64

    Mostly Sunny

    • 51
    • 64

    Mostly Sunny

    • 49
    • 64

    Mostly Sunny

    • 49
    • 62

    Mostly Sunny

    • 52
    • 66

    Mostly Sunny

Today 21 Jul Western Plumas County/Lassen Park

Mostly sunny early in the Morning, then a slight chance of rain Showers late in the morning. Mostly cloudy in the afternoon. Highs 60 to 75 higher Elevations. 65 to 80 lower Elevations. Prevailing southwest Winds up to 15 Mph.

Tonight 21 Jul Western Plumas County/Lassen Park

Partly cloudy. Colder. Lows 43 to 58. Prevailing southwest Winds up to 10 Mph with Gusts to around 25 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grassy Lake Temperature Statistics

July Temperature

Chico Municipal Airport (29.2 miles)

  • Lowest 5 July, 2025

    59 °F

  • Average July

    82.7 °F

  • Highest 10 July, 2025

    100.4 °F

Climate (2020–Present)

Chico Municipal Airport (29.2 miles)

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

  • Average Low 2020–2025

    52.4 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    75.5 °F
Get WillyWeather+ to remove ads