San Jose weather
At 11:30 AM local time it was cloudy and 16°C (61°F). Light rain for 3 of the next 24 hours (under 1 mm/h, 2.0 mm total) — cloudy, but fine to be out. Best months for weather: May–Oct. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for San Jose, California, United States.
Current conditions
- Clouds
- 100%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 3 of the next 24 hours (under 1 mm/h, 2.0 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season May–OctOff season Dec–Feb
About San Jose weather
Is it raining in San Jose right now?
No. It’s cloudy and 16° right now. Light rain for 3 of the next 24 hours (under 1 mm/h, 2.0 mm total) — cloudy, but fine to be out.
What’s the weather like in San Jose this week?
Over the next 7 days, expect highs of 17–23° and lows of 9–13°. Rain is likely on 1 of 7 days (Sunday). The driest day looks like Monday.
Has it been raining in San Jose lately?
Barely. The past 7 days were mostly dry, with 0.0 mm of rain in total.
What should I pack for San Jose?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
San Jose weather by month
When is the best time to visit San Jose?
Based on weather alone, the best time to visit San Jose is May–Oct, according to NASA's 2001–2025 climate averages. Dec–Feb tends to be the least pleasant. Average highs run from 13°C (56°F) in December to 29°C (84°F) in August.
What is the rainiest month in San Jose?
December is the wettest month, with about 114 mm (4.5 in) of rain on average. July is the driest, with about 0 mm (0.0 in).
What is the hottest month in San Jose?
August is the warmest, with average highs of 29°C (84°F) and lows of 11°C (51°F). December is the coolest, with highs of 13°C (56°F) and lows of 4°C (38°F).
Does San Jose have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is December at about 114 mm (4.5 in).
How warm is the sea in San Jose?
The sea is warmest in July at about 23°C (74°F) and coolest in January at about 12°C (54°F). It is comfortable for swimming (22°C or more) in Jun–Sep.
San Jose weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months