Hampton Harbor - Knowles Island Weather Forecast
- 65
- 75
Mostly Cloudy
- 63
- 77
Mostly Cloudy
- 65
- 82
Partly Sunny
- 62
- 80
Slight Chance Rain Showers
- 62
- 76
Partly Sunny
- 62
- 74
Chance Rain Showers
Today 17 Aug Coastal Rockingham
Cloudy. Showers Likely, mainly this morning. Highs in the mid 70s. South Winds around 10 Mph. Chance of rain 60 percent.
Tonight 17 Aug Coastal Rockingham
Mostly cloudy with a 40 percent chance of Showers. Patchy fog. Humid with Lows in the mid 60s. Light and variable Winds.
Hampton Harbor - Knowles Island Temperature Statistics
August Temperature
Pease Air Force Base / Portsmouth (13 miles)
Lowest 15 August, 2026
57.6 °FAverage August
75.5 °FHighest 7 August, 2026
91.4 °F
Climate (2021–2026)
Pease Air Force Base / Portsmouth (13 miles)
Average Low 2021–2026
42.3 °FAverage 2021–2026
50.7 °FAverage High 2021–2026
59.2 °F