Sewall's Point Weather Forecast
- 81
- 89
Chance Thunderstorms
- 78
- 88
Chance Thunderstorms
- 79
- 89
Chance Thunderstorms
- 78
- 91
Thunderstorms Likely
- 78
- 89
Thunderstorms Likely
- 78
- 89
Thunderstorms Likely
Today 18 Aug Coastal Martin
Mostly sunny. A slight chance of Showers and Thunderstorms late in the Morning, then a chance of Showers and Thunderstorms late in the afternoon and towards Sunset. Highs in the lower 90s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 104.
Tonight 18 Aug Coastal Martin
Mostly clear with a slight chance of Showers and Thunderstorms. Lows in the upper 70s. Northeast Winds around 5 Mph becoming northwest 5 to 10 Mph after midnight. Chance of rain 20 percent.
Sewall's Point Temperature Statistics
August Temperature
Witham Field Airport (1.9 miles)
Lowest 11 August, 2025
73.4 °FAverage August
82.4 °FHighest 1 August, 2025
93.2 °F
Climate (2020–Present)
Witham Field Airport (1.9 miles)
Average Low 2020–2025
69.4 °FAverage 2020–2025
74.6 °FAverage High 2020–2025
82.9 °F