Oyster Bay Weather Forecast

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    Chance Thunderstorms

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    Chance Thunderstorms

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    Chance Thunderstorms

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    Slight Chance Thunderstorms

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    Chance Thunderstorms

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    Chance Thunderstorms

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    Slight Chance Thunderstorms

Today 11 Sep Lower St. Bernard

Mostly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 11 Sep Lower St. Bernard

Partly cloudy with a slight chance of Thunderstorms. A slight chance of Showers this Evening, then a chance of Showers after midnight. Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oyster Bay Temperature Statistics

September Temperature

Bay St. Louis, Stennis International Airport (21.7 miles)

  • Lowest 3 September, 2026

    73.4 °F

  • Average September

    84.7 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Bay St. Louis, Stennis International Airport (21.7 miles)

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  • Average Low 2021–2026

    60.4 °F

  • Average 2021–2026

    71.7 °F

  • Average High 2021–2026

    78.5 °F
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