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CheckWeather USSan Juan Capistrano

San Juan Capistrano weather

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NWSNational Blend (NBM)
68°
Partly cloudy
Feels 72° · Wind 3 mph · Humidity 92%
AmericanNOAA GFS
65°
Overcast
Feels 68° · Wind 5 mph · Humidity 92%
EuropeanECMWF
74°
Overcast
Feels 79° · Wind 2 mph · Humidity 80%

Latest for San Juan Capistrano: NWS (National Blend (NBM)): 68° Partly cloudy · American (NOAA GFS): 65° Overcast · European (ECMWF): 74° Overcast.

The weather map: all three models at once

NWS, American, European side by side around San Juan Capistrano and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

7-day forecast

where the models agree, and where they split

San Juan Capistrano, CA is at its warmest in Aug (average highs near 81°F) and coldest in Feb (lows around 46°F), with roughly 24 in of precipitation across the year. Below, compare what NWS, American, European forecast for San Juan Capistrano right now, and see exactly where they disagree.

San Juan Capistrano climate by month

average daytime high and overnight low across a typical year
Jan
61°
47°
Feb
61°
46°
Mar
61°
48°
Apr
66°
50°
May
67°
55°
Jun
72°
58°
Jul
79°
62°
Aug
81°
64°
Sep
79°
63°
Oct
78°
58°
Nov
71°
51°
Dec
67°
49°

Which forecast is most accurate in the US?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
Behind Apple Weather, Windy
88
/100rank #1
85±1.5°F96±1.2 mph8592% hitECMWF — European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
Behind Windy & many free apps
74
/100rank #2
82±1.8°F92±2.6 mph5374% 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 40 cities. Lower error means a higher score. The apps you know (AccuWeather, Apple Weather, The Weather Channel) are built on these models.

Common questions

What's the weather in San Juan Capistrano today?
On this page we show what NWS, American, European each forecast for San Juan Capistrano 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 San Juan Capistrano today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for San Juan Capistrano 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 San Juan Capistrano?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the San Juan Capistrano 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 San Juan Capistrano?
August is typically the warmest month in San Juan Capistrano, with average highs around 81°F.
How cold does San Juan Capistrano get?
The coldest month in San Juan Capistrano is February, when overnight lows average about 46°F.
How much rain does San Juan Capistrano get?
San Juan Capistrano sees roughly 24 in of precipitation a year, with February usually the wettest month.

The forecasts Americans check

The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.

Nearby

More US weather