Mattisons SPB Weather Forecast

    • 65
    • 83

    Increasing Clouds

    • 65
    • 81

    Decreasing Clouds

    • 66
    • 80

    Rain Showers

    • 63
    • 83

    Rain Showers Likely

    • 52
    • 77

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

    • 56
    • 80

    Chance Rain Showers

Today 5 Sep Washington

Decreasing Clouds. Highs in the mid 80s. East Winds around 5 Mph.

Tonight 5 Sep Washington

Mostly clear. Lows in the mid 60s. Southeast Winds up to 10 Mph.

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Mattisons SPB Temperature Statistics

September Temperature

L O Simenstad Municipal Airport (13 miles)

  • Lowest 2 September, 2026

    64.9 °F

  • Average September

    76.2 °F

  • Highest 1 September, 2026

    88 °F

Climate (2021–2026)

L O Simenstad Municipal Airport (13 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    57 °F
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