Port Royal Sound Weather Forecast
- 24
- 46
Rain
- 27
- 39
Mostly Sunny
- 35
- 47
Mostly Sunny
- 45
- 55
Mostly Cloudy
- 42
- 58
Rain Showers Likely
- 35
- 49
Slight Chance Rain Showers
Today 31 Jan Beaufort
Cloudy. A slight chance of rain this Morning, then snow with a chance of rain this afternoon. Cooler with Highs around 40, except in the mid 40s near the coast. Snow accumulation up to 1 inch. Temperature falling into the mid 30s this afternoon. Northeast Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph with Gusts up to 25 Mph this afternoon. Chance of precipitation 80 percent.
Tonight 31 Jan Beaufort
Mostly cloudy. Snow Likely, mainly in the evening. Cooler with Lows around 18, except in the lower 20s near the coast. Wind chill Values as low as 5 above. Snow accumulation around an inch. Brisk. Northwest Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of snow 70 percent.
Port Royal Sound Temperature Statistics
January Temperature
Hilton Head Island, Hilton Head Airport (3.1 miles)
Lowest 16 January, 2026
26.6 °FAverage January
48.9 °FHighest 10 January, 2026
75.2 °F
Climate (2021–Present)
Hilton Head Island, Hilton Head Airport (3.1 miles)
Average Low 2021–2026
60.7 °FAverage 2021–2026
66.4 °FAverage High 2021–2026
75 °F