Castle Airport Weather Forecast

    • 54
    • 62

    Rain Likely

    • 49
    • 60

    Chance Rain

    • 54
    • 58

    Cloudy

    • 52
    • 56

    Rain

    • 48
    • 54

    Rain

    • 43
    • 51

    Rain

    • 39
    • 48

    Slight Chance Rain

Today 21 Dec Merced - Madera - Mendota

Cloudy. Chance of rain early in the Morning, then slight chance of rain in the late morning and afternoon. Highs in the lower 60s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 21 Dec Merced - Madera - Mendota

Cloudy with a 50 percent chance of rain. Lows in the lower 50s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Airport Temperature Statistics

December Temperature

Merced / Castle Air Force Base (0.6 miles)

  • Lowest 8 December, 2025

    42.8 °F

  • Average December

    43.1 °F

  • Highest 8 December, 2025

    44.6 °F

Climate (2020–Present)

Merced / Castle Air Force Base (0.6 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61 °F

  • Average High 2020–2025

    76.7 °F
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