Great Valley Grasslands State Park Weather Forecast

    • 41
    • 67

    Partly Sunny

    • 45
    • 71

    Mostly Sunny

    • 48
    • 74

    Partly Sunny

    • 48
    • 71

    Partly Sunny

    • 43
    • 71

    Mostly Sunny

    • 47
    • 73

    Partly Sunny

    • 47
    • 74

    Partly Sunny

Today 21 Feb Merced - Madera - Mendota

Mostly sunny. Highs in the upper 60s. Northeast Winds up to 5 Mph shifting to the northwest in the afternoon.

Tonight 21 Feb Merced - Madera - Mendota

Mostly clear. Lows in the lower 40s. Northwest Winds up to 5 Mph.

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  • Temperature Real-Time

Great Valley Grasslands State Park Temperature Statistics

February Temperature

Merced / Castle Air Force Base (17.4 miles)

  • Lowest 10 February, 2025

    32 °F

  • Average February

    55.1 °F

  • Highest 18 February, 2025

    64.4 °F

Climate (2020–Present)

Merced / Castle Air Force Base (17.4 miles)

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  • Average Low 2020–2025

    51.1 °F

  • Average 2020–2025

    61.7 °F

  • Average High 2020–2025

    78.1 °F
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