Halfmoon River Mouth Weather Forecast
- 69
- 83
Mostly Sunny
- 72
- 83
Partly Sunny
- 72
- 85
Mostly Sunny
- 73
- 85
Mostly Sunny
- 73
- 84
Partly Sunny
- 72
- 81
Chance Thunderstorms
Today 16 Sep Coastal Chatham
Sunny. Highs in the mid 80s. East Winds around 5 Mph.
Tonight 16 Sep Coastal Chatham
Mostly clear. Lows in the upper 60s. South Winds around 5 Mph, becoming west after midnight.
Halfmoon River Mouth Temperature Statistics
September Temperature
Hunter U. S. Army Airfield (11.8 miles)
Lowest 10 September, 2025
64.9 °FAverage September
75.6 °FHighest 5 September, 2025
90 °F
Climate (2020–Present)
Hunter U. S. Army Airfield (11.8 miles)
Average Low 2020–2025
59.4 °FAverage 2020–2025
68.1 °FAverage High 2020–2025
77.8 °F