San Francisco Bay - Hercules, Refugio Landing Weather Forecast

    • 45
    • 52

    Rain

    • 47
    • 55

    Rain

    • 49
    • 56

    Chance Rain

    • 50
    • 59

    Rain

    • 44
    • 55

    Rain

    • 46
    • 58

    Mostly Sunny

Today 13 Mar East Bay Interior Valleys

Showers likely in the morning. A slight chance of Thunderstorms. A chance of Showers in the afternoon. Some Thunderstorms may produce small hail. Highs in the upper 50s. West Winds 10 to 20 Mph.

Tonight 13 Mar East Bay Interior Valleys

Partly cloudy in the evening. A slight chance of rain in the Evening, then rain after midnight. Lows around 40. West Winds 10 to 20 Mph. Becoming south 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Hercules, Refugio Landing Temperature Statistics

March Temperature

Napa, Napa County Airport (12.4 miles)

  • Lowest 7 March, 2025

    33.7 °F

  • Average March

    50.6 °F

  • Highest 7 March, 2025

    68.6 °F

Climate (2020–Present)

Napa, Napa County Airport (12.4 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.6 °F
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