Topanga Weather Forecast

    • 48
    • 59

    Gradual Clearing

    • 48
    • 59

    Partly Sunny

    • 52
    • 64

    Mostly Sunny

    • 53
    • 70

    Mostly Sunny

    • 56
    • 75

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

Today 27 May Eastern Santa Monica Mountains Recreational Area

Cloudy with patchy drizzle in the Morning, becoming partly cloudy with a slight chance of Showers in the afternoon. Highs in the upper 50s and 60s. Southwest Winds around 15 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 27 May Eastern Santa Monica Mountains Recreational Area

Mostly clear in the evening then partly cloudy. Lows in the mid 40s to mid 50s. Southwest Winds around 15 Mph in the evening.

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Topanga Temperature Statistics

May Temperature

Santa Monica, Santa Monica Municipal Airport (9.9 miles)

  • Lowest 6 May, 2026

    54.6 °F

  • Average May

    63.9 °F

  • Highest 20 May, 2026

    77.6 °F

Climate (2021–Present)

Santa Monica, Santa Monica Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    56.3 °F

  • Average 2021–2026

    62.9 °F

  • Average High 2021–2026

    70.1 °F
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