Onslow Beach Weather Forecast
- 82
- 92
Slight Chance Thunderstorms
- 78
- 89
Chance Thunderstorms
- 77
- 85
Chance Thunderstorms
- 77
- 84
Mostly Sunny
- 78
- 85
Slight Chance Thunderstorms
- 80
- 87
Slight Chance Thunderstorms
Today 20 Jul Coastal Onslow
Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs in the mid 90s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph this afternoon. Chance of rain 20 percent. Heat index Values up to 109.
Tonight 20 Jul Coastal Onslow
Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows around 80. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 105 early in the evening.
Onslow Beach Temperature Statistics
July Temperature
MCAS New River (13 miles)
Lowest 2 July, 2025
72.9 °FAverage July
82.7 °FHighest 10 July, 2025
95 °F
Climate (2020–Present)
MCAS New River (13 miles)
Average Low 2020–2025
54.8 °FAverage 2020–2025
64 °FAverage High 2020–2025
73.8 °F