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Forecast confidence: High · models disagree by 4°F

Irvine weather

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Cloudy,much the same tomorrow

NWS, the American and the European model agree on a high near 79° in Irvine today. Tomorrow looks cloudy around 81°, with a 0% chance of rain.

79°64°
81°63°
80°66°
77°66°
80°66°
84°68°
Todaymodels agreeTomorrowsplit ±7°Sundaysplit ±6°Mondaysplit ±5°Tuesdaysplit ±6°Wednesdaysplit ±7°
NWSNational Blend (NBM)
78°
Partly cloudy
Today 78°·Low 65°·Rain 0%
AmericanNOAA GFS
79°
Cloudy
Today 79°·Low 64°·Rain 0%
EuropeanECMWF
81°
Cloudy
Today 81°·Low 63°·Rain 0%
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Irvine weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Irvine weather in numbers

from 30 years of measured normals

Irvine swings 37°F across the year, from 83°F highs in July to 46°F lows in February, and February is usually the wettest month in a year that brings about 25 in of precipitation.

Warmest month
July
83°F average high
Coldest month
February
46°F average low
Wettest month
February
25 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
January, March, April and May
Residents
257,000
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The weather map: all three models at once

NWS, American, European side by side around Irvine and nearby towns.Live rain radar →
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Irvine 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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Irvine 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
79° 64°
models agree
Tomorrow
Cloudy
81° 63°
±7°
Sun
Cloudy
80° 66°
±6°
Mon
Partly cloudy
77° 66°
±5°
Tue
Partly cloudy
80° 66°
±6°
Wed
Mostly clear
84° 68°
±7°
Thu
Clear
84° 68°
models agree
Fri
Mostly clear
85° 70°
±11°
Sat
Partly cloudy
87° 70°
±15°
Sun
Cloudy
91° 73°
±17°
Mon
Partly cloudy
90° 75°
±16°
Tue
Cloudy
93° 77°
models agree
Wed
Clear
83° 69°
±4°
Thu
Clear
79° 67°
±7°

Irvine, California (CA) is at its warmest in Jul (average highs near 83°F) and coldest in Feb (lows around 46°F), with roughly 25 in of precipitation across the year. Below, compare what NWS, American, European forecast for Irvine 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.

Irvine climate by month

average daytime high and overnight low across a typical year
Jan
62°
47°
Feb
62°
46°
Mar
62°
48°
Apr
68°
51°
May
69°
55°
Jun
74°
58°
Jul
83°
62°
Aug
82°
63°
Sep
80°
62°
Oct
79°
58°
Nov
73°
52°
Dec
67°
49°

Which forecast is most accurate in Irvine?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
American logo
American ★ Best
85
/100rank #1
78±2.2°F92±2.4 mph8994% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
78
/100rank #2
48±5.2°F97±0.9 mph100100% 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.

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±4°78° to 81°models agree0% to 0% chance
Tomorrow±7°78° to 85°models agree0% to 0% chance
Sun±6°77° to 83°±1%1% to 2% chance
Mon±5°75° to 81°±4%2% to 6% chance
Tue±6°77° to 82°±2%0% to 2% 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 Irvine

today, local time
Sunrise
06:36
Sunset
18:53
Daylight
12h 17m

Common questions

What's the weather in Irvine today?
On this page we show what NWS, American, European each forecast for Irvine 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 Irvine today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Irvine 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 Irvine?
Over the last 30 days, the American model has been the most accurate for Irvine (CheckWeather Score 85/100), ahead of the European at 78. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Irvine?
July is typically the warmest month in Irvine, with average highs around 83°F.
How cold does Irvine get?
The coldest month in Irvine is February, when overnight lows average about 46°F.
How much rain does Irvine get?
Irvine sees roughly 25 in of precipitation a year, with February usually the wettest month.

Nearby

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