Sewall's Point Weather Forecast
- 79
- 90
Chance Thunderstorms
- 79
- 89
Slight Chance Thunderstorms
- 80
- 89
Chance Thunderstorms
- 79
- 88
Rain Showers Likely
- 79
- 88
Thunderstorms Likely
- 80
- 88
Chance Thunderstorms
Today 23 Aug Coastal Martin
Mostly sunny with a slight chance of Showers and Thunderstorms late in the Morning, then partly cloudy with a chance of Showers and Thunderstorms late in the afternoon and towards Sunset. Highs in the lower 90s. South Winds 5 to 10 Mph becoming southeast with Gusts up to 20 Mph late in the afternoon and towards Sunset. Chance of rain 40 percent. Heat index Values up to 105.
Tonight 23 Aug Coastal Martin
Partly cloudy. A slight chance of Showers and Thunderstorms in the late evening and early morning. Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.
Sewall's Point Temperature Statistics
August Temperature
Witham Field Airport (1.9 miles)
Lowest 5 August, 2026
75.2 °FAverage August
82.6 °FHighest 17 August, 2026
96.8 °F
Climate (2021–2026)
Witham Field Airport (1.9 miles)
Average Low 2021–2026
69.4 °FAverage 2021–2026
74.6 °FAverage High 2021–2026
83.1 °F