Portsmouth Weather Forecast
- 60
- 81
Sunny
- 65
- 85
Mostly Sunny
- 64
- 85
Partly Sunny
- 64
- 81
Mostly Cloudy
- 63
- 79
Partly Sunny
- 63
- 80
Mostly Sunny
- 67
- 82
Mostly Sunny
Today 3 Aug Newport
Sunny. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph.
Tonight 3 Aug Newport
Clear. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.
Portsmouth Temperature Statistics
August Temperature
Newport, Newport State Airport (5 miles)
Lowest 1 August, 2025
55.9 °FAverage August
64.1 °FHighest 1 August, 2025
73 °F
Climate (2020–Present)
Newport, Newport State Airport (5 miles)
Average Low 2020–2025
45.5 °FAverage 2020–2025
52.7 °FAverage High 2020–2025
59.9 °F