Expansion Bay Weather Forecast

    • 52
    • 80

    Decreasing Clouds

    • 59
    • 81

    Partly Sunny

    • 58
    • 84

    Partly Sunny

    • 63
    • 90

    Slight Chance Thunderstorms

    • 58
    • 87

    Slight Chance Thunderstorms

    • 53
    • 79

    Chance Rain Showers

    • 53
    • 76

    Chance Rain Showers

Today 1 Sep Mercer

Partly sunny. Highs in the lower 80s. Temperature falling into the in the upper 70s late. Southeast Winds around 5 Mph.

Tonight 1 Sep Mercer

Mostly cloudy in the evening then clearing. Lows in the upper 40s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Expansion Bay Temperature Statistics

September Temperature

Garrison (15.5 miles)

  • Lowest

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  • Average September

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Climate (2021–2026)

Garrison (15.5 miles)

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  • Average Low 2021–2026

    31.2 °F

  • Average 2021–2026

    42.6 °F

  • Average High 2021–2026

    54 °F
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