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CheckWeather USSan Gabriel

San Gabriel weather

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San Gabriel weather alerts and warnings

active National Weather Service watches, warnings and advisories

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San Gabriel weather in numbers

from 30 years of measured normals

San Gabriel swings 45°F across the year, from 90°F highs in July to 45°F lows in January, and February is usually the wettest month in a year that brings about 30 in of precipitation.

Warmest month
July
90°F average high
Coldest month
January
45°F average low
Wettest month
February
30 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
January, March, April and May
Residents
40,000
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The weather map: all three models at once

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

where the models agree, and where they split

San Gabriel, California (CA) is at its warmest in Jul (average highs near 90°F) and coldest in Jan (lows around 45°F), with roughly 30 in of precipitation across the year. Below, compare what NWS, American, European forecast for San Gabriel 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.

San Gabriel climate by month

average daytime high and overnight low across a typical year
Jan
62°
45°
Feb
62°
45°
Mar
63°
47°
Apr
72°
50°
May
74°
54°
Jun
80°
59°
Jul
90°
63°
Aug
89°
64°
Sep
85°
63°
Oct
83°
58°
Nov
73°
50°
Dec
69°
49°

Which forecast is most accurate in San Gabriel?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
96
/100rank #1
93±0.7°F97±0.8 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
88
/100rank #2
85±1.5°F93±2.2 mph8994% 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 San Gabriel today?
On this page we show what NWS, American, European each forecast for San Gabriel 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 Gabriel today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for San Gabriel 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 Gabriel?
Over the last 30 days, the European model has been the most accurate for San Gabriel (CheckWeather Score 96/100), ahead of the American at 88. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in San Gabriel?
July is typically the warmest month in San Gabriel, with average highs around 90°F.
How cold does San Gabriel get?
The coldest month in San Gabriel is January, when overnight lows average about 45°F.
How much rain does San Gabriel get?
San Gabriel sees roughly 30 in of precipitation a year, with February usually the wettest month.

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