Hamlet Weather Forecast

    • 55
    • 64

    Mostly Sunny

    • 55
    • 65

    Mostly Sunny

    • 55
    • 65

    Mostly Sunny

    • 54
    • 64

    Mostly Sunny

    • 54
    • 62

    Partly Sunny

    • 55
    • 60

    Partly Sunny

Today 14 Sep Coastal North Bay Including Point Reyes National Seashore

Sunny. A slight chance of drizzle in the morning. Highs in the upper 60s to mid 70s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 14 Sep Coastal North Bay Including Point Reyes National Seashore

Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 15 Mph.

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Hamlet Temperature Statistics

September Temperature

Petaluma Municipal Airport (17.4 miles)

  • Lowest 7 September, 2025

    50 °F

  • Average September

    62.9 °F

  • Highest 1 September, 2025

    93.2 °F

Climate (2020–Present)

Petaluma Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    69.1 °F
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