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CheckWeather USLong Beach
Forecast confidence: Medium · models disagree by 8°F

Long Beach weather

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Mostly clear,rain likely tomorrow

NWS, the American and the European model put Long Beach's high today between 80° and 87°, a 8° split. Tomorrow looks heavy drizzle around 80°, with a 90% chance of rain, and the models disagree, so treat it as uncertain.

82°65°
80°70°
86°70°
86°73°
89°74°
86°74°
Todaysplit ±8°Tomorrowsplit ±11°Mondaysplit ±14°Tuesdaysplit ±10°Wednesdaysplit ±11°Thursdaysplit ±10°
NWSNational Blend (NBM)
81°
Mostly clear
Today 81°·Low 66°·Rain 1%
AmericanNOAA GFS
87°
Mostly clear
Today 87°·Low 63°·Rain 1%
EuropeanECMWF
80°
Mostly clear
Today 80°·Low 67°·Rain 29%

The weather map: all three models at once

NWS, American, European side by side around Long Beach 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
Mostly clear
82° 65°
±8°
Tomorrow
Heavy drizzle
80° 70°
±11°
Mon
Mostly clear
86° 70°
±14°
Tue
Cloudy
86° 73°
±10°
Wed
Cloudy
89° 74°
±11°
Thu
Mostly clear
86° 74°
±10°
Fri
Clear
80° 72°
models agree
Sat
Mostly clear
78° 70°
models agree
Sun
Partly cloudy
78° 69°
models agree
Mon
Clear
79° 69°
±9°
Tue
Light drizzle
82° 70°
±13°
Wed
Cloudy
83° 73°
±11°
Thu
Partly cloudy
80° 71°
models agree
Fri
Clear
80° 71°
models agree

Long Beach, CA is at its warmest in Aug (average highs near 80°F) and coldest in Jan (lows around 46°F), with roughly 24 in of precipitation across the year. Below, compare what NWS, American, European forecast for Long Beach 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.

Long Beach climate by month

average daytime high and overnight low across a typical year
Jan
61°
46°
Feb
61°
46°
Mar
61°
49°
Apr
66°
51°
May
67°
56°
Jun
72°
59°
Jul
79°
62°
Aug
80°
63°
Sep
78°
62°
Oct
77°
57°
Nov
70°
51°
Dec
66°
50°

Which forecast is most accurate in Long Beach?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
85
/100rank #1
68±3.2°F93±2.3 mph100100% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
83
/100rank #2
60±4.0°F96±1.2 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°80° to 87°±28%1% to 29% chance
Tomorrow±11°75° to 85°±51%39% to 90% chance
Mon±14°81° to 94°±20%3% to 23% chance
Tue±10°82° to 92°±1%7% to 8% chance
Wed±11°86° to 97°±3%7% to 10% 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 Long Beach

today, local time
Sunrise
06:29
Sunset
19:13
Daylight
12h 44m

Common questions

What's the weather in Long Beach today?
On this page we show what NWS, American, European each forecast for Long Beach 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 Long Beach today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Long Beach 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 Long Beach?
Over the last 30 days, the American model has been the most accurate for Long Beach (CheckWeather Score 85/100), ahead of the European at 83. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Long Beach?
August is typically the warmest month in Long Beach, with average highs around 80°F.
How cold does Long Beach get?
The coldest month in Long Beach is January, when overnight lows average about 46°F.
How much rain does Long Beach get?
Long Beach sees roughly 24 in of precipitation a year, with February usually the wettest month.

Nearby

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