Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather US›Georgia›Whitemarsh Island

Whitemarsh Island weather

Loading live data…

Whitemarsh Island weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Whitemarsh Island…

Whitemarsh Island weather in numbers

from 30 years of measured normals

Whitemarsh Island swings 44°F across the year, from 87°F highs in July to 43°F lows in January, and August is usually the wettest month in a year that brings about 48 in of precipitation.

Warmest month
July
87°F average high
Coldest month
January
43°F average low
Wettest month
August
48 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
February, March, April and October
Residents
6,792
share this forecast

The weather map: all three models at once

NWS, American, European side by side around Whitemarsh Island and nearby towns.Live rain radar →
Loading the three model maps…

Whitemarsh Island hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

Loading the three models…

Whitemarsh Island 10-day forecast, out to 14 days

where the models agree, and where they split

Whitemarsh Island, Georgia (GA) is at its warmest in Jul (average highs near 87°F) and coldest in Jan (lows around 43°F), with roughly 48 in of precipitation across the year. Below, compare what NWS, American, European forecast for Whitemarsh Island 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.

Whitemarsh Island climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
58°
43°
Feb
62°
46°
Mar
66°
51°
Apr
73°
58°
May
80°
67°
Jun
85°
72°
Jul
87°
75°
Aug
86°
74°
Sep
83°
71°
Oct
77°
62°
Nov
66°
53°
Dec
61°
48°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Whitemarsh Island has changed since 1995

Whitemarsh Island sits in the same roughly 50 km square of NASA's reanalysis as Savannah. That square ran 1.6°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Savannah page.

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
91±0.9°F97±1.1 mph9396% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
83±1.7°F94±2.0 mph7184% 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.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
Loading ratings…
AmericanNOAA GFS
Loading ratings…
EuropeanECMWF
Loading ratings…

One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Whitemarsh Island today?
On this page we show what NWS, American, European each forecast for Whitemarsh Island 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 Whitemarsh Island today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Whitemarsh Island 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 Whitemarsh Island?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Whitemarsh Island forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Whitemarsh Island?
July is typically the warmest month in Whitemarsh Island, with average highs around 87°F.
How cold does Whitemarsh Island get?
The coldest month in Whitemarsh Island is January, when overnight lows average about 43°F.
How much rain does Whitemarsh Island get?
Whitemarsh Island sees roughly 48 in of precipitation a year, with August usually the wettest month.

Nearby

More US weather