Merriam Lake Weather Forecast

    • 41
    • 55

    Decreasing Clouds

    • 42
    • 56

    Partly Sunny

    • 42
    • 57

    Mostly Sunny

    • 42
    • 56

    Partly Sunny

    • 40
    • 54

    Partly Sunny

    • 39
    • 54

    Mostly Sunny

Today 24 Aug Upper San Joaquin River

Mostly sunny. Highs 62 to 78. South Winds 5 to 15 Mph with Gusts to around 35 Mph.

Tonight 24 Aug Upper San Joaquin River

Partly cloudy. Lows 45 to 57. South Winds up to 10 Mph. Gusts up to 30 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Merriam Lake Temperature Statistics

August Temperature

Mammoth Yosemite Airport (22.4 miles)

  • Lowest 14 August, 2026

    35.6 °F

  • Average August

    68.3 °F

  • Highest 1 August, 2026

    91.4 °F

Climate (2021–2026)

Mammoth Yosemite Airport (22.4 miles)

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

  • Average Low 2021–2026

    29.4 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    60.6 °F
Get WillyWeather+ to remove ads