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CheckWeather US›San Jose

San Jose weather

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NWSNational Blend (NBM)
68°
Clear
Feels 66° · Wind 12 mph · Humidity 67%
AmericanNOAA GFS
65°
Clear
Feels 64° · Wind 9 mph · Humidity 74%
EuropeanECMWF
70°
Clear
Feels 69° · Wind 5 mph · Humidity 60%

Latest for San Jose: NWS (National Blend (NBM)): 68° Clear · American (NOAA GFS): 65° Clear · European (ECMWF): 70° Clear.

The weather map: all three models at once

NWS, American, European side by side around San Jose 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 Jose, CA is at its warmest in Jul (average highs near 87°F) and coldest in Feb (lows around 42°F), with roughly 28 in of precipitation across the year. Below, compare what NWS, American, European forecast for San Jose right now, and see exactly where they disagree.

San Jose climate by month

average daytime high and overnight low across a typical year
Jan
59°
45°
Feb
59°
42°
Mar
60°
45°
Apr
68°
47°
May
74°
52°
Jun
81°
56°
Jul
87°
60°
Aug
85°
60°
Sep
82°
58°
Oct
81°
57°
Nov
66°
47°
Dec
61°
46°

Which forecast is most accurate in San Jose?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
Behind Windy & many free apps
89
/100rank #1
82±1.8°F91±3.0 mph9597% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
Behind Apple Weather, Windy
76
/100rank #2
50±5.0°F92±2.6 mph9597% 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 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 Jose today?
On this page we show what NWS, American, European each forecast for San Jose 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 Jose today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for San Jose 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 Jose?
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 Jose 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 Jose?
Jul is typically the warmest month in San Jose, with average highs around 87°F.
How cold does San Jose get?
The coldest month in San Jose is Feb, when overnight lows average about 42°F.
How much rain does San Jose get?
San Jose sees roughly 28 in of precipitation a year, with Jan 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.

NWSNational Weather Service
Open model · shown above ✓AWAccuWeather
Closed model · open ↗↗TWCThe Weather Channel
Closed model · open ↗↗

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