Mount Tamalpais State Park Weather Forecast

    • 54
    • 55

    Breezy

    • 52
    • 56

    Breezy

    • 54
    • 60

    Sunny

    • 54
    • 61

    Breezy

    • 53
    • 64

    Breezy

    • 55
    • 68

    Mostly Sunny

Today 12 May Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Patchy fog in the morning. Highs in the upper 50s to mid 60s. Southwest Winds around 5 Mph increasing to west 10 to 20 Mph in the afternoon.

Tonight 12 May Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Patchy fog. Lows around 50. Light Winds.

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Mount Tamalpais State Park Temperature Statistics

May Temperature

Novato / Gnoss Field (17.4 miles)

  • Lowest 4 May, 2026

    46.4 °F

  • Average May

    59.4 °F

  • Highest 9 May, 2026

    78.8 °F

Climate (2021–Present)

Novato / Gnoss Field (17.4 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    72.5 °F
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