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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Toronto Post Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Expect daytime highs in the low-to-mid teens Celsius and overnight lows near 7–10°C for Hilton Head this week, based on the live forecast above. This means mild, pleasant conditions for outdoor plans, though a few showers are possible midweek.
What is the 15-day outlook for Hilton Head?
The 15-day forecast for Hilton Head shows a gradual cooling trend, with highs dropping from the upper teens to near 10°C by late in the period. Overnight lows may dip to around 4°C, especially towards the end of the month. For a longer view, the 20-day and 30-day forecasts suggest a pattern of near-normal temperatures, with no extreme cold or heat expected.
How does January weather compare?
Hilton Head weather in January typically sees average highs near 14°C and lows around 4°C, with cooler conditions than the current mild spell. The 10-day and 15-day outlooks indicate temperatures running slightly above those January norms, so pack a light jacket for evenings.
What does the Hilton Head weather radar show now?
The live radar above indicates scattered showers moving across the area; check the loop for short-term movement. No severe storms are currently detected.
Is the AccuWeather 15-day forecast for Hilton Head reliable?
The Hilton Head weather 15-day forecast from AccuWeather provides a general trend, but day-to-day accuracy decreases beyond 7 days. Use the live forecast above for the most current data.
Can I see Hilton Head weather in Celsius?
Yes, all temperatures on this page and the live forecast are reported in Celsius, as is standard for Canadian weather reporting.
Sources
For broader Canadian conditions, visit our Canada weather hub or check Toronto Weather for local updates.