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Forecast confidence: High · models disagree by 3°F

Brea weather

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Mostly clear,much the same tomorrow

NWS, the American and the European model agree on a high near 81° in Brea today. Tomorrow looks cloudy around 84°, with a 0% chance of rain.

81°63°
84°62°
82°65°
79°66°
81°65°
87°66°
Todaymodels agreeTomorrowsplit ±5°Sundaysplit ±6°Mondaysplit ±6°Tuesdaysplit ±7°Wednesdaysplit ±8°
NWSNational Blend (NBM)
79°
Mostly clear
Today 79°·Low 63°·Rain 0%
AmericanNOAA GFS
81°
Cloudy
Today 81°·Low 62°·Rain 0%
EuropeanECMWF
82°
Mostly clear
Today 82°·Low 64°·Rain 0%
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Brea weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Brea weather in numbers

from 30 years of measured normals

Brea swings 43°F across the year, from 88°F highs in July to 45°F lows in January, and February is usually the wettest month in a year that brings about 34 in of precipitation.

Warmest month
July
88°F average high
Coldest month
January
45°F average low
Wettest month
February
34 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
January, March, April and May
Residents
42,000
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The weather map: all three models at once

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

where the models agree, and where they split
Today
Mostly clear
81° 63°
models agree
Tomorrow
Cloudy
84° 62°
±5°
Sun
Cloudy
82° 65°
±6°
Mon
Partly cloudy
79° 66°
±6°
Tue
Partly cloudy
81° 65°
±7°
Wed
Mostly clear
87° 66°
±8°
Thu
Clear
86° 68°
models agree
Fri
Mostly clear
86° 70°
±13°
Sat
Mostly clear
89° 70°
±15°
Sun
Cloudy
91° 72°
±18°
Mon
Mostly clear
92° 73°
±17°
Tue
Cloudy
93° 75°
models agree
Wed
Clear
85° 69°
±6°
Thu
Clear
79° 68°
±6°

Brea, California (CA) is at its warmest in Jul (average highs near 88°F) and coldest in Jan (lows around 45°F), with roughly 34 in of precipitation across the year. Below, compare what NWS, American, European forecast for Brea 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.

Brea climate by month

average daytime high and overnight low across a typical year
Jan
62°
45°
Feb
62°
45°
Mar
62°
47°
Apr
70°
50°
May
72°
54°
Jun
78°
58°
Jul
88°
63°
Aug
87°
64°
Sep
84°
62°
Oct
82°
58°
Nov
73°
52°
Dec
69°
49°

Which forecast is most accurate in Brea?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
89
/100rank #1
77±2.3°F98±0.6 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
81
/100rank #2
75±2.5°F91±2.7 mph8290% 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±3°79° to 82°models agree0% to 0% chance
Tomorrow±5°82° to 86°models agree0% to 0% chance
Sun±6°78° to 84°±2%0% to 2% chance
Mon±6°76° to 82°models agree2% to 2% chance
Tue±7°78° to 85°models agree0% to 0% 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 Brea

today, local time
Sunrise
06:37
Sunset
18:53
Daylight
12h 16m

Common questions

What's the weather in Brea today?
On this page we show what NWS, American, European each forecast for Brea 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 Brea today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Brea 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 Brea?
Over the last 30 days, the European model has been the most accurate for Brea (CheckWeather Score 89/100), ahead of the American at 81. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Brea?
July is typically the warmest month in Brea, with average highs around 88°F.
How cold does Brea get?
The coldest month in Brea is January, when overnight lows average about 45°F.
How much rain does Brea get?
Brea sees roughly 34 in of precipitation a year, with February usually the wettest month.

Nearby

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