Hilton Head Island weather
Loading live data…The weather map: all three models at once
NWS, American, European side by side around Hilton Head Island and nearby towns.Live rain radar →Next 14 hours
consensus of the three models7-day forecast
where the models agree, and where they splitHilton Head Island, SC is at its warmest in Jul (average highs near 88°F) and coldest in Jan (lows around 47°F), with roughly 49 in of precipitation across the year. Below, compare what NWS, American, European forecast for Hilton Head Island right now, and see exactly where they disagree.
Hilton Head Island climate by month
average daytime high and overnight low across a typical yearWhich forecast is most accurate in the US?
CheckWeather Score — graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 40 cities. Lower error means a higher score. The apps you know (AccuWeather, Apple Weather, The Weather Channel) are built on these models.
Common questions
What's the weather in Hilton Head Island today?
Will it rain in Hilton Head Island today or tomorrow?
Which forecast is most accurate for Hilton Head Island?
What is the warmest month in Hilton Head Island?
How cold does Hilton Head Island get?
How much rain does Hilton Head Island get?
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.