Today
Fri, Jun 12
Partly cloudy
82°64°
- Rain chance
- 15%
- Precip
- 0 in
- Max wind
- 12 mph
San Jose weather forecast
California, United States · Los_Angeles time · 37.34°, -121.89°
Current conditions · 11:00 PM local
Current conditions in San Jose
73°F
Mainly clear
Feels like 72°F
- Humidity
- 44%
- Wind
- 9 mph SSW
- Gusts
- 18 mph
- UV index
- 0
- Visibility
- 6 mi
Right now
Right now in San Jose it is mild at around 23°C, feeling like 22°C, with winds near 14 km/h.
At a glance
Today
82° / 64°Partly cloudy · extreme UV
Tomorrow
84° / 65°Overcast · extreme UV
Upcoming · to Thursday
85° / 61°Highs 85°, lows 61°. The most active day looks like Tuesday, when rain chances peak at 70%.
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Next 3 days
The next three days in San Jose bring highs near 28–30°C and lows around 18°C, with mostly settled conditions.
Tomorrow
Sat, Jun 13
Overcast
84°65°
- Rain chance
- 4%
- Precip
- 0 in
- Max wind
- 12 mph
Sunday
Sun, Jun 14
Slight rain
85°65°
- Rain chance
- 4%
- Precip
- 0 in
- Max wind
- 12 mph
Next 48 hours
- 12 AM71°10%8 mph
- 1 AM69°10%7 mph
- 2 AM67°10%6 mph
- 3 AM65°10%5 mph
- 4 AM65°10%4 mph
- 5 AM64°10%4 mph
- 6 AM65°10%3 mph
- 7 AM66°10%3 mph
- 8 AM68°10%3 mph
- 9 AM70°10%4 mph
- 10 AM73°10%4 mph
- 11 AM76°10%5 mph
- 12 PM78°10%6 mph
- 1 PM81°10%7 mph
- 2 PM83°10%8 mph
- 3 PM84°10%9 mph
- 4 PM84°10%9 mph
- 5 PM84°10%10 mph
- 6 PM83°10%10 mph
- 7 PM82°10%11 mph
- 8 PM80°10%10 mph
- 9 PM78°10%10 mph
- 10 PM76°10%9 mph
- 11 PM73°10%9 mph
- 12 AM71°2%8 mph
- 1 AM69°2%7 mph
- 2 AM67°2%6 mph
- 3 AM65°2%5 mph
- 4 AM65°2%4 mph
- 5 AM64°2%4 mph
- 6 AM65°2%3 mph
- 7 AM66°2%3 mph
- 8 AM68°2%3 mph
- 9 AM70°2%4 mph
- 10 AM73°2%4 mph
- 11 AM76°2%5 mph
- 12 PM78°2%6 mph
- 1 PM81°2%7 mph
- 2 PM83°2%8 mph
- 3 PM84°2%9 mph
- 4 PM84°2%9 mph
- 5 PM84°2%10 mph
- 6 PM83°2%10 mph
- 7 PM82°2%11 mph
- 8 PM80°2%10 mph
- 9 PM78°2%10 mph
- 10 PM76°2%9 mph
- 11 PM73°2%9 mph
In depth
San Jose weather outlook
A steady pattern holds over San Jose, California this week. Expect daytime highs near 28°C and overnight lows around 18°C, with winds generally from the south-west at 11–25 km/h.
Outlook
Day-to-day changes stay modest; the most active weather window arrives mid-period when precipitation chances peak at 70%.
Air quality
84
Moderate
US AQI · European AQI 74
Air quality in San Jose is Moderate right now, with a US AQI near 84. Conditions are fine for outdoor activity, though unusually sensitive people may want to keep harder workouts shorter.
Pollutants
- PM2.5
- 33.6 µg/m³
- PM10
- 112 µg/m³
- Ozone (O₃)
- 96 µg/m³
- NO₂
- 38.6 µg/m³
- SO₂
- 14.2 µg/m³
- CO
- 412 µg/m³
- Dust
- 21 µg/m³
Sun & UV
- Sunrise
- 4:58 AM
- Sunset
- 7:08 PM
- Daylight
- 14h 10m
- Max UV
- 10.4 Very high
Wind
- Wind
- 9 mph
- Gusts
- 18 mph
- Direction
- SSW (205°)
Farming weather
Field conditions around San Jose are moderate: topsoil moisture near 0.159 m³/m³, evapotranspiration about 7.6 mm/day, and 12.7 mm of rain expected over the next seven days. Morning spray windows look workable with winds near 11 km/h, and no significant frost or heat stress is signalled for the coming days.
- Topsoil moisture
- 0.16 m³/m³
- Soil temp
- 67°F
- ET₀ today
- 7.6 mm
- Spray window
- ~5:00
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All data for San Jose
| Variable | Value |
|---|---|
| City | San Jose, California, United States |
| Coordinates | 37.3382, -121.8863 |
| Elevation | 200 m |
| Timezone | America/Los_Angeles |
| Population | 1,013,240 |
| Observed at (local) | 11:00 PM |
| Temperature (2 m) | 73°F |
| Apparent temperature | 72°F |
| Relative humidity (2 m) | 44% |
| Dew point (2 m) | 53°F |
| Precipitation (last hour) | 0 in |
| Rain | 0 in |
| Showers | 0 in |
| Snowfall | 0 in |
| Weather code (WMO) | 1 |
| Cloud cover | 18% |
| Surface pressure | 29.4 inHg |
| Sea-level pressure | 29.9 inHg |
| Wind speed (10 m) | 9 mph |
| Wind gusts (10 m) | 18 mph |
| Wind direction (10 m) | 205° (SSW) |
| Visibility | 6 mi |
| UV index | 0 |
| Day / night | Night |
| Today max / min | 82°F / 64°F |
| Today feels-like max / min | 83°F / 63°F |
| Today precipitation sum | 0 in |
| Today rain sum | 0 in |
| Today snowfall sum | 0 in |
| Today max precip probability | 15% |
| Today max wind / gusts | 12 mph / 19 mph |
| Dominant wind direction | 215° (SW) |
| Sunrise / sunset | 4:58 AM / 7:08 PM |
| Daylight duration | 14h 10m |
| Sunshine duration | 9h 55m |
| Max UV index | 10.4 |
| Reference evapotranspiration (ET₀) | 7.6 mm |
| Topsoil moisture (0–1 cm) | 0.16 m³/m³ |
| Surface soil temperature | 67°F |
| US AQI | 84 |
| European AQI | 74 |
| PM2.5 | 33.6 µg/m³ |
| PM10 | 112 µg/m³ |
| Ozone (O₃) | 96 µg/m³ |
| Nitrogen dioxide (NO₂) | 38.6 µg/m³ |
| Sulphur dioxide (SO₂) | 14.2 µg/m³ |
| Carbon monoxide (CO) | 412 µg/m³ |
| Dust | 21 µg/m³ |
Nearby cities
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<iframe src="https://weathertomorrow.cloud/embed/city/us/california/san-jose" width="320" height="180" frameborder="0" title="San Jose weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in San Jose this week?
The highest chance of precipitation is 70% during the next seven days.
How warm will San Jose get today?
Today's high is forecast near 28°C with a low of about 18°C.
Is the air quality in San Jose healthy right now?
The US AQI is around 84, in the Moderate band.
What are the sunrise and sunset times in San Jose?
Sunrise is around 04:58 and sunset around 19:08 local time.