Grassy Lake Weather Forecast

    • 76
    • 94

    Becoming Sunny

    • 76
    • 94

    Mostly Sunny

    • 73
    • 92

    Slight Chance Thunderstorms

    • 69
    • 92

    Mostly Sunny

    • 72
    • 92

    Mostly Sunny

    • 72
    • 92

    Chance Thunderstorms

    • 73
    • 91

    Chance Thunderstorms

Today 14 Sep East Baton Rouge

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the mid 90s. Northwest Winds around 5 Mph. Chance of rain 40 percent. Heat index Values up to 108.

Tonight 14 Sep East Baton Rouge

Partly cloudy this Evening, then clearing. Lows in the mid 70s. South Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grassy Lake Temperature Statistics

September Temperature

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (9.9 miles)

  • Lowest 8 September, 2026

    72 °F

  • Average September

    82.6 °F

  • Highest 3 September, 2026

    96.7 °F

Climate (2021–2026)

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (9.9 miles)

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  • Average Low 2021–2026

    60.8 °F

  • Average 2021–2026

    71 °F

  • Average High 2021–2026

    81.8 °F
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