Sebastian Weather Forecast

    • 76
    • 89

    Chance Thunderstorms

    • 77
    • 88

    Thunderstorms Likely

    • 76
    • 87

    Rain Showers Likely

    • 75
    • 86

    Rain Showers Likely

    • 75
    • 87

    Thunderstorms Likely

    • 74
    • 87

    Rain Showers Likely

Today 14 Sep Coastal Indian River

Partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. North Winds around 5 Mph becoming east late in the afternoon and towards Sunset. Chance of rain 40 percent. Heat index Values up to 102.

Tonight 14 Sep Coastal Indian River

Partly cloudy. A chance of Showers and a slight chance of Thunderstorms after midnight. Lows in the upper 70s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Real-Time

Sebastian Temperature Statistics

September Temperature

Vero Beach, Vero Beach Municipal Airport (11.2 miles)

  • Lowest 7 September, 2026

    73.7 °F

  • Average September

    82.9 °F

  • Highest 5 September, 2026

    94.6 °F

Climate (2021–2026)

Vero Beach, Vero Beach Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    66.4 °F

  • Average 2021–2026

    75 °F

  • Average High 2021–2026

    84 °F
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