Weather Forecast for San Jose

California, United States of America

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Clear

Current Weather - San Jose: 12°C

California, United States of America

Clear

Feels like 12°C

Wind

4 km/h SSW

Humidity

67%

Pressure

1018 mb

UV Index

0

Visibility

10 km

Sunny

Sunny

Sunday, May 31, 2026

High

29°C

Low

10°C

Rain Chance

0%

Hourly Forecast

Sunny 18°C
09:00
Sunny 22°C
10:00
Sunny 24°C
11:00
Sunny 26°C
12:00
Sunny 27°C
13:00
Sunny 28°C
14:00
Sunny 28°C
15:00
Sunny 28°C
16:00
Sunny 27°C
17:00
Sunny 26°C
18:00
Sunny 22°C
19:00
Sunny 18°C
20:00
Clear 16°C
21:00
Clear 15°C
22:00
Clear 14°C
23:00
Jun 01

Day Statistics

Maximum Wind

13 km/h

Humidity

50%

Precipitation

0 mm

UV Index

9

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

05:48 AM

Sunset

08:21 PM

Moonrise

09:34 PM

Moonset

05:49 AM

Moon Phase

Full Moon

Moon Illumination

99%

Air Quality

PM2.5

11.6

μg/m³

PM10

16.2

μg/m³

NO₂

6.9

μg/m³

O₃

68.8

μg/m³

SO₂

1.9

μg/m³

CO

134.2

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Beach Hazards Statement issued May 30 at 9:43PM PDT until June 2 at 5:00AM PDT by NWS San Francisco CA

San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast May 30, 09:43 PM - May 31, 05:45 AM
Severity: Moderate Urgency: Expected

* WHAT...Increased risk of sneaker waves and strong rip currents due to long period SW swell. * WHERE...Beaches along the Pacific Coast. * WHEN...From 5 AM PDT Sunday through 5 AM PDT Tuesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches.

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