Fortuna Weather Forecast

    • 60
    • 93

    Chance Thunderstorms

    • 57
    • 82

    Slight Chance Rain Showers

    • 61
    • 87

    Slight Chance Thunderstorms

    • 69
    • 91

    Breezy

    • 58
    • 85

    Partly Sunny

    • 51
    • 73

    Breezy

Today 29 Jul Divide

Sunny. Patchy smoke. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 29 Jul Divide

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the lower 60s. Southeast Winds 5 to 10 Mph, becoming northeast after midnight. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fortuna Temperature Statistics

July Temperature

CROSBY (21.7 miles)

  • Lowest 21 July, 2026

    51.8 °F

  • Average July

    69.9 °F

  • Highest 12 July, 2026

    93.2 °F

Climate (2021–2026)

CROSBY (21.7 miles)

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  • Average Low 2021–2026

    28.3 °F

  • Average 2021–2026

    39.4 °F

  • Average High 2021–2026

    50.6 °F
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