Brainard Weather Forecast

    • 54
    • 67

    Mostly Cloudy

    • 56
    • 69

    Partly Sunny

    • 58
    • 70

    Mostly Cloudy

    • 58
    • 72

    Mostly Cloudy

    • 57
    • 71

    Mostly Cloudy

    • 55
    • 68

    Partly Sunny

Today 30 Sep Northern Coastal Humboldt

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs 64 to 75. Northwest wind around 10 Mph.

Tonight 30 Sep Northern Coastal Humboldt

Mostly cloudy. Patchy fog. Lows 48 to 58. North wind around 10 Mph.

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Brainard Temperature Statistics

September Temperature

Arcata / Eureka, Arcata Airport (11.2 miles)

  • Lowest 24 September, 2026

    44.7 °F

  • Average September

    58 °F

  • Highest 9 September, 2026

    75.7 °F

Climate (2021–2026)

Arcata / Eureka, Arcata Airport (11.2 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    59.8 °F
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