San Jose

Current Weather

21.4°C (70.5°F)

Scattered Clouds

Feels like: 21.2°C (70.2°F)

Humidity: 61%

Sun Schedule

Sunrise
06:41
Sunset
19:30

Today's Weather Summary

Today's temperature in San Jose will be around 21.4°C, but it may feel like 21.2°C due to low wind. The humidity is at 61%, with a stable atmospheric pressure of 1012 hPa. Please note, there are active Air Quality Alerts in effect, which could affect your outdoor plans.

Alert Summary

"Air Quality Alert for San Jose on September 3, 2025: Wildfires in California, including the Garnet, Marmon, Salt 11-2, and another unnamed fire, are causing smoke impacts. Expect poor air quality, posing health risks, especially for vulnerable groups such as children, elderly, and those with respiratory conditions. Limit outdoor activities during this time."

Active Weather Alerts

2

Air Quality Alert

The Valley Air District is issuing an Air Quality Alert on September 3, 2025, due to smoke impacts from wildfires in California including the Garnet Fire, the Marmon Fire, the Salt 11-2 Fire, and the TCU September Lightning Complex for San Joaquin, Stanislaus, Merced, Madera, Fresno, Kings, Tulare, and the Valley portion of Kern Counties. This Air Quality Alert is in effect until the fires are extinguished. Exposure to particle pollution can cause serious health problems, aggravate lung disease, cause asthma attacks and acute bronchitis, and increase risk of respiratory infections. Residents are advised to use caution as conditions warrant. People with heart or lung diseases should follow their doctors advice for dealing with episodes of unhealthy air quality. Additionally, older adults and children should avoid prolonged exposure, strenuous activities or heavy exertion, as conditions dictate. For additional information, call your local San Joaquin Valley Air District office. Modesto 209-557-6400, Fresno 559-230-6000, Bakersfield 661-392-5500 Residents can also follow air quality conditions by downloading the free Valley Air app, available in the Apple store or Google Play.

From: Sep 03, 2025 16:06 Until: Sep 10, 2025 16:15

Air Quality Alert

The Valley Air District is issuing an Air Quality Alert on September 3, 2025, due to smoke impacts from wildfires in California including the Garnet Fire, the Marmon Fire, the Salt 11-2 Fire, and the TCU September Lightning Complex for San Joaquin, Stanislaus, Merced, Madera, Fresno, Kings, Tulare, and the Valley portion of Kern Counties. This Air Quality Alert is in effect until the fires are extinguished. Exposure to particle pollution can cause serious health problems, aggravate lung disease, cause asthma attacks and acute bronchitis, and increase risk of respiratory infections. Residents are advised to use caution as conditions warrant. People with heart or lung diseases should follow their doctors advice for dealing with episodes of unhealthy air quality. Additionally, older adults and children should avoid prolonged exposure, strenuous activities or heavy exertion, as conditions dictate. For additional information, call your local San Joaquin Valley Air District office. Modesto 209-557-6400, Fresno 559-230-6000, Bakersfield 661-392-5500 Residents can also follow air quality conditions by downloading the free Valley Air app, available in the Apple store or Google Play, or by visiting the AirNow Fire and Smoke Map at fire.airnow.gov.

From: Sep 04, 2025 08:01 Until: Sep 11, 2025 08:15

Alert History Patterns

Based on 22 historical alerts

Based on 22 historical alerts. Covering 8 different event types. Most common concerns: coast, san, and flood.

coast san flood bay beach valley francisco expected impacts statement air wave high tsunami heat wildfire including tide low quality along what northern pdt wind joaquin additional hazards monterey santa currents north minor cause risk details humidity counties local result cruz sacramento special conditions sneaker rip monday jetties southwest facing
This visualization shows the most common weather concerns based on past alerts for San Jose

3-Day Weather Forecast

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Marine Conditions

Tide Information

Time Type Height

Wave Conditions

About San Jose

San Jose is a city in United States.

37.336166, -121.890591

Weather Map

City Images

San Jose
San Jose
San Jose
San Jose, United States
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Past Weather Alerts

5 of 20

Beach Hazards Statement

* WHAT...A long period southwesterly swell will result in an increased risk for sneaker waves and ri...

Sep 01, 2025 - Sep 02, 2025

Heat Advisory

* WHAT...High temperatures 99 to 105 expected. Warm overnight low temperatures in the 60s to low 70s...

Aug 31, 2025 - Sep 01, 2025

Beach Hazards Statement

* WHAT...A long period southwesterly swell will result in an increased risk for sneaker waves and ri...

Aug 31, 2025 - Sep 01, 2025

Beach Hazards Statement

* WHAT...A long period southwesterly swell will result in an increased risk for sneaker waves and ri...

Aug 30, 2025 - Aug 30, 2025

Beach Hazards Statement

* WHAT...A long period southwesterly swell will result in an increased risk for sneaker waves and ri...

Aug 29, 2025 - Aug 30, 2025