Neptune Beach Weather Forecast

    • 53
    • 62

    Mostly Sunny

    • 53
    • 62

    Mostly Sunny

    • 54
    • 61

    Mostly Sunny

    • 53
    • 60

    Partly Sunny

    • 54
    • 61

    Partly Sunny

    • 54
    • 61

    Slight Chance Rain

Today 16 Sep Lowlands of Western Whatcom County

Sunny. Patchy fog in the morning. Highs in the upper 60s to mid 70s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 16 Sep Lowlands of Western Whatcom County

Mostly clear. Lows in the upper 40s to mid 50s. West wind to 10 Mph becoming north after midnight.

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  • Temperature Real-Time

Neptune Beach Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (7.5 miles)

  • Lowest 6 September, 2026

    44.7 °F

  • Average September

    60.4 °F

  • Highest 8 September, 2026

    72.6 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (7.5 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.1 °F
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