Merriam Lake Weather Forecast

    • 24
    • 31

    Mostly Cloudy

    • 27
    • 36

    Partly Sunny

    • 27
    • 37

    Mostly Cloudy

    • 22
    • 35

    Partly Sunny

    • 17
    • 30

    Slight Chance Snow

    • 17
    • 26

    Chance Snow

Today 25 Feb Upper San Joaquin River

Partly sunny. Slight chance of rain and snow early in the Morning, then slight chance of rain in the late morning and early afternoon. Highs 37 to 51. West Winds 5 to 10 Mph with Gusts to around 40 Mph. Chance of precipitation 20 percent.

Tonight 25 Feb Upper San Joaquin River

Mostly cloudy in the evening then becoming partly cloudy. Lows 28 to 40. Northwest Winds up to 10 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merriam Lake Temperature Statistics

February Temperature

Mammoth Yosemite Airport (22.4 miles)

  • Lowest 21 February, 2026

    -5.8 °F

  • Average February

    24.6 °F

  • Highest 6 February, 2026

    46.4 °F

Climate (2021–Present)

Mammoth Yosemite Airport (22.4 miles)

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  • Average Low 2021–2026

    29.4 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    60.6 °F
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