Fetters Hot Springs-Agua Caliente Weather Forecast

    • 43
    • 73

    Becoming Sunny

    • 44
    • 70

    Mostly Sunny

    • 47
    • 76

    Mostly Sunny

    • 49
    • 79

    Mostly Sunny

    • 49
    • 79

    Mostly Sunny

    • 54
    • 82

    Partly Sunny

    • 56
    • 84

    Partly Sunny

Today 9 Mar North Bay Interior Valleys

Sunny. Highs in the 60s to mid 70s. Northwest Winds up to 5 Mph increasing to west 10 to 15 Mph in the afternoon.

Tonight 9 Mar North Bay Interior Valleys

Mostly clear. Lows in the 40s to lower 50s. West Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fetters Hot Springs-Agua Caliente Temperature Statistics

March Temperature

Petaluma Municipal Airport (7.5 miles)

  • Lowest 5 March, 2026

    41 °F
  • Average March

    56.7 °F
  • Highest 7 March, 2026

    78.8 °F

Climate (2021–Present)

Petaluma Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    44.7 °F
  • Average 2021–2026

    55.1 °F
  • Average High 2021–2026

    68.5 °F
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