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CheckWeather USIrvine
Forecast confidence: Low · models disagree by 8°F

Irvine weather

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Mostly clear,rain likely tomorrow

NWS, the American and the European model put Irvine's high today between 85° and 93°, a 8° split. Tomorrow looks heavy drizzle around 82°, with a 94% chance of rain.

89°64°
82°71°
91°72°
93°75°
97°78°
93°78°
Todaysplit ±8°Tomorrowsplit ±8°Mondaysplit ±8°Tuesdaysplit ±8°Wednesdaysplit ±12°Thursdaysplit ±12°
NWSNational Blend (NBM)
85°
Mostly clear
Today 85°·Low 65°·Rain 1%
AmericanNOAA GFS
88°
Cloudy
Today 88°·Low 63°·Rain 1%
EuropeanECMWF
93°
Light drizzle
Today 93°·Low 64°·Rain 49%

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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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Mostly clear
89° 64°
±8°
Tomorrow
Heavy drizzle
82° 71°
±8°
Mon
Light drizzle
91° 72°
±8°
Tue
Cloudy
93° 75°
±8°
Wed
Mostly clear
97° 78°
±12°
Thu
Clear
93° 78°
±12°
Fri
Clear
87° 73°
±7°
Sat
Mostly clear
83° 70°
±4°
Sun
Mostly clear
84° 69°
±8°
Mon
Clear
86° 69°
±6°
Tue
Light drizzle
88° 70°
±14°
Wed
Light drizzle
89° 74°
models agree
Thu
Mostly clear
86° 72°
±9°
Fri
Mostly clear
87° 72°
±14°

Irvine, 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 Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
93
/100rank #1
87±1.3°F92±2.4 mph100100% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
76
/100rank #2
40±6.0°F98±0.5 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±8°85° to 93°±48%1% to 49% chance
Tomorrow±8°79° to 87°±54%40% to 94% chance
Mon±8°87° to 95°±21%5% to 26% chance
Tue±8°88° to 96°±3%7% to 10% chance
Wed±12°90° to 102°±4%4% to 8% 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
06:28
Sunset
19:11
Daylight
12h 43m

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 93/100), ahead of the European at 76. 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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