Big Flat Weather Forecast

    • 45
    • 48

    Mostly Cloudy

    • 48
    • 48

    Rain

    • 51
    • 55

    Rain

    • 49
    • 52

    Rain

    • 47
    • 50

    Rain Likely

    • 45
    • 49

    Rain Likely

    • 44
    • 47

    Rain Likely

Today 29 Jan Southwestern Humboldt

Mostly sunny. Patchy fog in the morning. Highs 47 to 57. Northwest wind around 5 Mph.

Tonight 29 Jan Southwestern Humboldt

Mostly cloudy. Patchy fog. Lows 31 to 41. Southwest wind around 5 Mph shifting to the south overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Flat Temperature Statistics

January Temperature

Fortuna Rohnerville Airport (29.2 miles)

  • Lowest 12 January, 2025

    32 °F

  • Average January

    45.3 °F

  • Highest 9 January, 2025

    64.4 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (29.2 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    59.6 °F
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