Sewall's Point Weather Forecast

    • 77
    • 84

    Thunderstorms Likely

    • 78
    • 84

    Thunderstorms Likely

    • 78
    • 85

    Thunderstorms Likely

    • 78
    • 86

    Thunderstorms Likely

    • 78
    • 87

    Chance Thunderstorms

    • 78
    • 88

    Chance Thunderstorms

Today 18 Sep Coastal Martin

Mostly cloudy with Showers and Thunderstorms likely. Highs in the mid 80s. East Winds 5 to 10 Mph increasing to 10 to 15 Mph late in the afternoon and towards Sunset. Chance of rain 70 percent.

Tonight 18 Sep Coastal Martin

Partly cloudy with a chance of Thunderstorms. Showers likely in the late evening and early Morning, then a chance of Showers after midnight. Lows in the mid 70s. East Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sewall's Point Temperature Statistics

September Temperature

Witham Field Airport (1.9 miles)

  • Lowest 14 September, 2025

    73.4 °F

  • Average September

    80 °F

  • Highest 7 September, 2025

    91.4 °F

Climate (2020–Present)

Witham Field Airport (1.9 miles)

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  • Average Low 2020–2025

    69.4 °F

  • Average 2020–2025

    74.6 °F

  • Average High 2020–2025

    83 °F
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