Merlo Lake Weather Forecast

    • 51
    • 82

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 56
    • 85

    Mostly Sunny

Today 2 Jun North Bay Interior Valleys

Sunny. Highs in the upper 60s to lower 80s. Southwest Winds 10 to 20 Mph.

Tonight 2 Jun North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s. Southwest Winds 10 to 20 Mph.

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Merlo Lake Temperature Statistics

June Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)

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  • Average June

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Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)

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  • Average Low 2020–2025

    45.4 °F
  • Average 2020–2025

    57.8 °F
  • Average High 2020–2025

    72.9 °F
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