Weather Forecast for San Jose

California, United States of America

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Sunny

Current Weather - San Jose: 17°C

California, United States of America

Sunny

Feels like 17°C

Wind

5 km/h S

Humidity

72%

Pressure

1013 mb

UV Index

1

Visibility

16 km

Sunny

Sunny

Wednesday, June 17, 2026

High

32°C

Low

13°C

Rain Chance

6%

Hourly Forecast

Sunny 30°C
17:00
Sunny 29°C
18:00
Sunny 26°C
19:00
Sunny 23°C
20:00
Clear 19°C
21:00
Clear 16°C
22:00
Clear 14°C
23:00
Jun 18

Day Statistics

Maximum Wind

9 km/h

Humidity

70%

Precipitation

0 mm

UV Index

11

Visibility

10 km

Rain Chance

6%

Snow Chance

0%

Sun & Moon

Sunrise

05:46 AM

Sunset

08:30 PM

Moonrise

08:10 AM

Moonset

11:08 PM

Moon Phase

Waxing Crescent

Moon Illumination

11%

Air Quality

PM2.5

13.4

μg/m³

PM10

19.3

μg/m³

NO₂

4

μg/m³

O₃

69.7

μg/m³

SO₂

1.6

μg/m³

CO

112.9

μg/m³

US EPA Index: 1 GB DEFRA Index: 2

Solar Radiation Data

Shortwave Radiation

109.52

Diffuse Radiation

27.58

DNI

0

GTI

0

Weather Alerts

Coastal Flood Advisory issued June 16 at 8:44PM PDT until June 18 at 5:00AM PDT by NWS San Francisco CA

San Francisco Jun 16, 08:44 PM - Jun 17, 05:00 AM
Severity: Minor Urgency: Expected

* WHAT...For the Coastal Flood Advisory, up to 1.7 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, increased risk of sneaker waves and strong rip currents expected. * WHERE...Low-lying coastal and bayshore areas in San Francisco. * WHEN...For the Coastal Flood Advisory, until 5 AM PDT Thursday. For the Beach Hazards Statement, until 5 AM PDT Thursday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.7 ft above normal (7.5 ft MLLW) at 12:56 AM on Wednesday, 1.2 ft above normal (7.1 ft MLLW) at 1:51 AM on Thursday. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.

Event: Coastal Flood Advisory Certainty: Likely Category: Met

Beach Hazards Statement issued June 16 at 8:44PM PDT until June 18 at 5:00AM PDT by NWS San Francisco CA

San Francisco Jun 16, 08:44 PM - Jun 17, 05:00 AM
Severity: Moderate Urgency: Expected

* WHAT...For the Coastal Flood Advisory, up to 1.7 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, increased risk of sneaker waves and strong rip currents expected. * WHERE...Low-lying coastal and bayshore areas in San Francisco. * WHEN...For the Coastal Flood Advisory, until 5 AM PDT Thursday. For the Beach Hazards Statement, until 5 AM PDT Thursday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.7 ft above normal (7.5 ft MLLW) at 12:56 AM on Wednesday, 1.2 ft above normal (7.1 ft MLLW) at 1:51 AM on Thursday. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.

Event: Beach Hazards Statement Certainty: Likely Category: Met

When to visit San Jose?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: July August September

January

☀️
15°C
💧
19 Days of rain
❄️
No snowfall

February

☀️
16°C
💧
20 Days of rain
❄️
Light snow possible
🌧 Wettest month,

March

☀️
18°C
💧
15 Days of rain
❄️
No snowfall

April

☀️
19°C
💧
7 Days of rain
❄️
No snowfall

May

☀️
22°C
💧
3 Days of rain
❄️
No snowfall

June

☀️
25°C
💧
1 Days of rain
❄️
No snowfall

July

☀️
27°C
💧
0 Days of rain
❄️
No snowfall
Best time to visit
🌵 Driest month

August

☀️
27°C
💧
0 Days of rain
❄️
No snowfall
Best time to visit
🔥 Hottest month

September

☀️
27°C
💧
0 Days of rain
❄️
No snowfall
Best time to visit

October

☀️
24°C
💧
4 Days of rain
❄️
No snowfall

November

☀️
19°C
💧
9 Days of rain
❄️
No snowfall

December

☀️
15°C
💧
17 Days of rain
❄️
No snowfall
🥶 Coldest month