Lake Herman Weather Forecast

    • 53
    • 72

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 54
    • 73

    Partly Sunny

    • 54
    • 71

    Partly Sunny

Today 27 Jun Southwestern Solano County Including Vallejo

Mostly sunny. Breezy. Highs 69 to 76. West Winds 10 to 25 Mph with Gusts to around 35 Mph shifting to the southwest 10 to 15 Mph with Gusts to around 25 Mph in the afternoon.

Tonight 27 Jun Southwestern Solano County Including Vallejo

Clear. Lows around 54. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

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Lake Herman Temperature Statistics

June Temperature

Concord, Buchanan Field (8.7 miles)

  • Lowest 7 June, 2026

    53.7 °F

  • Average June

    71.3 °F

  • Highest 11 June, 2026

    101.6 °F

Climate (2021–2026)

Concord, Buchanan Field (8.7 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.5 °F

  • Average High 2021–2026

    74.3 °F
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