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Hilton Head weather

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The weather map: all three models at once

NWS, American, European side by side around Hilton Head and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

Hilton Head, SC is at its warmest in Jul (average highs near 90°F) and coldest in Jan (lows around 46°F), with roughly 51 in of precipitation across the year. Below, compare what NWS, American, European forecast for Hilton Head right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Hilton Head climate by month

average daytime high and overnight low across a typical year
Jan
61°
46°
Feb
65°
51°
Mar
69°
55°
Apr
74°
60°
May
79°
67°
Jun
86°
73°
Jul
90°
77°
Aug
88°
76°
Sep
83°
71°
Oct
77°
62°
Nov
69°
56°
Dec
61°
48°

Which forecast is most accurate in Hilton Head?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
92
/100rank #1
91±0.9°F96±1.1 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
56
/100rank #2
83±1.7°F93±2.1 mph045% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

Common questions

What's the weather in Hilton Head today?
On this page we show what NWS, American, European each forecast for Hilton Head today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Hilton Head today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Hilton Head and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Hilton Head?
Over the last 30 days, the European model has been the most accurate for Hilton Head (CheckWeather Score 92/100), ahead of the American at 56. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Hilton Head?
July is typically the warmest month in Hilton Head, with average highs around 90°F.
How cold does Hilton Head get?
The coldest month in Hilton Head is January, when overnight lows average about 46°F.
How much rain does Hilton Head get?
Hilton Head sees roughly 51 in of precipitation a year, with August usually the wettest month.

Nearby

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