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CheckWeather USGalveston
Forecast confidence: High · models disagree by 1°F

Galveston weather

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Thunderstorm,rain likely tomorrow

NWS, the American and the European model agree on a high near 87° in Galveston today. Tomorrow looks showers around 87°, with a 74% chance of rain.

87°80°
87°79°
88°79°
88°82°
87°82°
88°81°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaysplit ±5°Wednesdaymodels agreeThursdaymodels agree
NWSNational Blend (NBM)
87°
Thunderstorm
Today 87°·Low 82°·Rain 41%
AmericanNOAA GFS
87°
Heavy showers
Today 87°·Low 80°·Rain 41%
EuropeanECMWF
86°
Thunderstorm
Today 86°·Low 79°·Rain 84%

The weather map: all three models at once

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

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Thunderstorm
87° 80°
models agree
Tomorrow
Showers
87° 79°
models agree
Mon
Mostly clear
88° 79°
models agree
Tue
Mostly clear
88° 82°
±5°
Wed
Thunderstorm
87° 82°
models agree
Thu
Mostly clear
88° 81°
models agree
Fri
Light drizzle
90° 82°
±9°
Sat
Light drizzle
90° 82°
±8°
Sun
Light drizzle
89° 83°
±7°
Mon
Light drizzle
87° 83°
models agree
Tue
Drizzle
87° 81°
models agree
Wed
Light drizzle
86° 77°
models agree
Thu
Partly cloudy
86° 78°
models agree
Fri
Clear
86° 77°
±5°

Galveston, TX is at its warmest in Aug (average highs near 88°F) and coldest in Jan (lows around 53°F), with roughly 64 in of precipitation across the year. Below, compare what NWS, American, European forecast for Galveston 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.

Galveston climate by month

average daytime high and overnight low across a typical year
Jan
61°
53°
Feb
63°
56°
Mar
70°
63°
Apr
73°
67°
May
80°
74°
Jun
86°
80°
Jul
85°
81°
Aug
88°
83°
Sep
85°
80°
Oct
78°
73°
Nov
71°
66°
Dec
64°
58°

Which forecast is most accurate in Galveston?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
69
/100rank #1
66±3.4°F88±3.7 mph5877% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
62
/100rank #2
52±4.8°F82±5.5 mph5877% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom

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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°86° to 87°±43%41% to 84% chance
Tomorrow±3°85° to 88°±41%33% to 74% chance
Mon±4°86° to 90°±27%12% to 39% chance
Tue±5°85° to 90°±42%8% to 50% chance
Wed±3°85° to 89°±34%34% to 68% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Galveston

today, local time
Sunrise
06:59
Sunset
19:36
Daylight
12h 37m

Common questions

What's the weather in Galveston today?
On this page we show what NWS, American, European each forecast for Galveston 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 Galveston today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Galveston 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 Galveston?
Over the last 30 days, the American model has been the most accurate for Galveston (CheckWeather Score 69/100), ahead of the European at 62. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Galveston?
August is typically the warmest month in Galveston, with average highs around 88°F.
How cold does Galveston get?
The coldest month in Galveston is January, when overnight lows average about 53°F.
How much rain does Galveston get?
Galveston sees roughly 64 in of precipitation a year, with April usually the wettest month.

Nearby

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