San Jose weather
Loading live data…The weather map: all three models at once
NWS, American, European side by side around San Jose and nearby towns.Live rain radar →Next 14 hours
consensus of the three models7-day forecast
where the models agree, and where they splitSan Jose, CA. Below we compare what NWS, American, European forecast for San Jose right now and flag exactly where they disagree, then break down San Jose's weather month by month and which forecast model has been most accurate here.
San Jose weather by month
what to expect in San Jose through the yearHere is San Jose's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to San Jose by season.
What San Jose's weather is like through the year
San Jose runs from warm summers, with July highs near 87°F, to cold winters, when February lows sit around 42°F (a swing of about 45°F across the year). January is usually the wettest month, and San Jose sees roughly 28 inches of precipitation annually.
Best time to visit San Jose
The most comfortable time to visit San Jose is usually March, April, May and November, when daytime highs sit in the pleasant 60-78°F range and the heaviest January rain is behind you.
Which forecast is most accurate in San Jose?
CheckWeather Score — graded against the weather that actually happened
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.
Bottom line: over the last 30 days the American model has been the most accurate forecast for San Jose, scoring 89/100 on our CheckWeather Score, ahead of the European at 76. See the full US accuracy scoreboard for exactly how every model is tested.
Common questions
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How much rain does San Jose get?
When is the best time to visit San Jose?
Does it snow in San Jose?
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.