Portsmouth Weather Forecast
- 76
- 85
Rain Showers
- 77
- 83
Chance Thunderstorms
- 79
- 85
Slight Chance Thunderstorms
- 80
- 86
Mostly Sunny
- 80
- 87
Mostly Sunny
- 80
- 87
Mostly Sunny
Today 28 Aug East Carteret
Partly sunny this Morning, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.
Tonight 28 Aug East Carteret
Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.
Portsmouth Temperature Statistics
August Temperature
Piney Island, Bt-11 Bombing Range (22.4 miles)
Lowest 12 August, 2026
73 °FAverage August
82.8 °FHighest 17 August, 2026
93.9 °F
Climate (2021–2026)
Piney Island, Bt-11 Bombing Range (22.4 miles)
Average Low 2021–2026
62.7 °FAverage 2021–2026
68.3 °FAverage High 2021–2026
74.3 °F