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Seal Beach weather

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Seal Beach weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Seal Beach weather in numbers

measured normals and 10 years of recorded weather

Seal Beach swings 32°F across the year, from 80°F highs in July to 48°F lows in January, and February is usually the wettest month in a year that brings about 12 in of precipitation. Over 10 years of recorded weather it averages 112 days a year at 77°F or above, 22 of them at 86°F or above, 0 frost nights, and rain on 35 days.

Warmest month
July
80°F average high
Coldest month
January
48°F average low
Wettest month
February
12 in a year
Comfortable
4 months
January, March, April and May
Residents
25,000
share this forecast
Warm days
112 days
a year at 77°F or above
Frost nights
0 nights
a year below 32°F
Rain days
35 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Seal Beach’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

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

where the models agree, and where they split

Seal Beach, California (CA) is at its warmest in Jul (average highs near 80°F) and coldest in Jan (lows around 48°F), with roughly 12 in of precipitation across the year. Below, compare what NWS, American, European forecast for Seal 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.

Seal Beach climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
62°
48°
Feb
63°
48°
Mar
64°
51°
Apr
69°
54°
May
70°
58°
Jun
74°
60°
Jul
80°
62°
Aug
80°
63°
Sep
80°
64°
Oct
77°
58°
Nov
70°
51°
Dec
65°
49°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Seal Beach has changed since 1995

Seal Beach sits in the same roughly 50 km square of NASA's reanalysis as Santa Ana. That square ran 1.1°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Santa Ana page.

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
91±0.9°F97±1.1 mph9396% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
83±1.7°F94±2.0 mph7184% 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.

Common questions

What's the weather in Seal Beach today?
On this page we show what NWS, American, European each forecast for Seal 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 Seal Beach today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Seal 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 Seal Beach?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Seal Beach forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Seal Beach?
July is typically the warmest month in Seal Beach, with average highs around 80°F.
How cold does Seal Beach get?
The coldest month in Seal Beach is January, when overnight lows average about 48°F.
How much rain does Seal Beach get?
Seal Beach sees roughly 12 in of precipitation a year, with February usually the wettest month.

Nearby

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