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CheckWeather USSaint George
Forecast confidence: Medium · models disagree by 5°F

Saint George weather

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Drizzle,much the same tomorrow

NWS, the American and the European model put Saint George's high today between 87° and 92°, a 5° split. Tomorrow looks clear around 91°, with a 1% chance of rain.

89°71°
91°66°
91°64°
89°69°
87°68°
91°67°
Todaysplit ±5°Tomorrowmodels agreeSundaymodels agreeMondaysplit ±5°Tuesdaymodels agreeWednesdaymodels agree
NWSNational Blend (NBM)
89°
Drizzle
Today 89°·Low 70°·Rain 6%
AmericanNOAA GFS
92°
Mostly clear
Today 92°·Low 73°·Rain 6%
EuropeanECMWF
87°
Light drizzle
Today 87°·Low 71°·Rain 29%
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Saint George weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Saint George weather in numbers

from 30 years of measured normals

Saint George swings 72°F across the year, from 107°F highs in July to 35°F lows in January, and January is usually the wettest month in a year that brings about 8 in of precipitation.

Warmest month
July
107°F average high
Coldest month
January
35°F average low
Wettest month
January
8 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
3 months
March, April and November
Residents
73,000
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The weather map: all three models at once

NWS, American, European side by side around Saint George and nearby towns.Live rain radar →
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Saint George 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

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Saint George 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Drizzle
89° 71°
±5°
Tomorrow
Clear
91° 66°
models agree
Sun
Cloudy
91° 64°
models agree
Mon
Cloudy
89° 69°
±5°
Tue
Light drizzle
87° 68°
models agree
Wed
Clear
91° 67°
models agree
Thu
Partly cloudy
93° 70°
models agree
Fri
Mostly clear
91° 73°
±6°
Sat
Mostly clear
92° 72°
±7°
Sun
Cloudy
92° 72°
±8°
Mon
Mostly clear
92° 70°
±12°
Tue
Drizzle
96° 72°
±6°
Wed
Drizzle
93° 68°
±5°
Thu
Clear
84° 66°
±17°

Saint George, Utah (UT) is at its warmest in Jul (average highs near 107°F) and coldest in Jan (lows around 35°F), with roughly 8 in of precipitation across the year. Below, compare what NWS, American, European forecast for Saint George 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.

Saint George climate by month

average daytime high and overnight low across a typical year
Jan
51°
35°
Feb
55°
36°
Mar
61°
41°
Apr
77°
50°
May
87°
62°
Jun
97°
71°
Jul
107°
80°
Aug
99°
75°
Sep
94°
67°
Oct
83°
57°
Nov
62°
41°
Dec
57°
36°

Which forecast is most accurate in Saint George?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
87±1.3°F93±2.2 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
87
/100rank #2
83±1.7°F83±5.4 mph9597% 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)
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AmericanNOAA GFS
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EuropeanECMWF
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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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±5°87° to 92°±23%6% to 29% chance
Tomorrow±2°90° to 93°±1%0% to 1% chance
Sun±3°89° to 93°models agree0% to 0% chance
Mon±5°87° to 92°±8%6% to 14% chance
Tue±3°86° to 88°±18%23% to 41% 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 Saint George

today, local time
Sunrise
07:19
Sunset
19:37
Daylight
12h 18m

Common questions

What's the weather in Saint George today?
On this page we show what NWS, American, European each forecast for Saint George 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 Saint George today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Saint George 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 Saint George?
Over the last 30 days, the European model has been the most accurate for Saint George (CheckWeather Score 91/100), ahead of the American at 87. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Saint George?
July is typically the warmest month in Saint George, with average highs around 107°F.
How cold does Saint George get?
The coldest month in Saint George is January, when overnight lows average about 35°F.
How much rain does Saint George get?
Saint George sees roughly 8 in of precipitation a year, with January usually the wettest month.

Nearby

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