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Current weather in San Jose is broken clouds.

Where can I find the hourly weather forecast for San Jose?

This page shows hourly weather forecast for San Jose, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for San Jose updated regularly?

Weather data for San Jose is updated regularly with the latest available observations and forecasts.

Now · 10:42 AM

San Jose Weather & Hourly Forecast

United States · Illinois · 62682

64°F

Mostly cloudy

Feels like: 59°F

💧 Humidity 69% 🌡 Pressure 30.24 inHg 💨 Wind 10 mph 👁 Visibility 21.5 mi ☁ Clouds 64% ☀️ UV index 0.8 · Low 🌅 Sunrise 6:44 AM 🌇 Sunset 6:57 PM

Hourly Forecast for San Jose

Today

11:00 AM

Mostly cloudy

64° 💧 None 💨 10 mph H 69%30.24 inHg

2:00 PM

Mostly cloudy

67° 💧 None 💨 11 mph H 59%30.21 inHg

5:00 PM

Mostly cloudy

66° 💧 None 💨 12 mph H 59%30.21 inHg

8:00 PM

Partly cloudy night

60° 💧 0.000 in 💨 9 mph H 69%30.24 inHg

11:00 PM

Overcast night

59° 💧 None 💨 8 mph H 76%30.27 inHg

Tomorrow

2:00 AM

Overcast night

59° 💧 None 💨 7 mph H 81%30.24 inHg

5:00 AM

Overcast night

58° 💧 None 💨 8 mph H 83%30.27 inHg

8:00 AM

Mostly sunny

59° 💧 None 💨 8 mph H 80%30.30 inHg

11:00 AM

Overcast

65° 💧 None 💨 10 mph H 69%30.33 inHg

2:00 PM

Overcast

67° 💧 None 💨 10 mph H 68%30.30 inHg

5:00 PM

Overcast

67° 💧 None 💨 10 mph H 66%30.27 inHg

8:00 PM

Overcast night

65° 💧 None 💨 9 mph H 72%30.27 inHg

11:00 PM

Overcast night

63° 💧 None 💨 8 mph H 78%30.30 inHg

Thursday

2:00 AM

Mostly cloudy night

60° 💧 None 💨 4 mph H 87%30.27 inHg

5:00 AM

Overcast night

59° 💧 None 💨 6 mph H 89%30.27 inHg

8:00 AM

Partly cloudy

58° 💧 None 💨 6 mph H 82%30.30 inHg

Today

11:00 AM

Mostly cloudy

64° 💧 None 💨 10 mph H 69%30.24 inHg

12:00 PM

Mostly cloudy

66° 💧 None 💨 10 mph H 63%30.24 inHg

1:00 PM

Mostly cloudy

67° 💧 None 💨 10 mph H 59%30.21 inHg

2:00 PM

Mostly cloudy

67° 💧 None 💨 11 mph H 59%30.21 inHg

3:00 PM

Mostly cloudy

67° 💧 None 💨 11 mph H 58%30.21 inHg

4:00 PM

Mostly cloudy

67° 💧 None 💨 12 mph H 58%30.18 inHg

5:00 PM

Mostly cloudy

66° 💧 None 💨 12 mph H 59%30.21 inHg

6:00 PM

Mostly sunny

64° 💧 None 💨 12 mph H 62%30.21 inHg

7:00 PM

Partly cloudy night

61° 💧 None 💨 10 mph H 67%30.21 inHg

8:00 PM

Partly cloudy night

60° 💧 None 💨 9 mph H 69%30.24 inHg

9:00 PM

Mostly cloudy night

59° 💧 None 💨 9 mph H 72%30.24 inHg

10:00 PM

Overcast night

59° 💧 0.000 in 💨 9 mph H 75%30.27 inHg

11:00 PM

Overcast night

59° 💧 None 💨 8 mph H 76%30.27 inHg

Tomorrow

12:00 AM

Overcast night

59° 💧 None 💨 7 mph H 78%30.27 inHg

1:00 AM

Overcast night

59° 💧 None 💨 7 mph H 79%30.27 inHg

2:00 AM

Overcast night

59° 💧 None 💨 7 mph H 81%30.24 inHg

3:00 AM

Overcast night

58° 💧 None 💨 7 mph H 83%30.24 inHg

4:00 AM

Overcast night

58° 💧 None 💨 7 mph H 83%30.24 inHg

5:00 AM

Overcast night

58° 💧 None 💨 8 mph H 83%30.27 inHg

6:00 AM

Overcast night

58° 💧 None 💨 8 mph H 83%30.27 inHg

7:00 AM

Overcast

58° 💧 None 💨 8 mph H 82%30.30 inHg

8:00 AM

Mostly sunny

59° 💧 None 💨 8 mph H 80%30.30 inHg

9:00 AM

Partly cloudy

61° 💧 None 💨 10 mph H 75%30.30 inHg

10:00 AM

Partly cloudy

63° 💧 None 💨 9 mph H 73%30.30 inHg

11:00 AM

Overcast

65° 💧 None 💨 10 mph H 69%30.33 inHg

12:00 PM

Overcast

66° 💧 None 💨 10 mph H 69%30.33 inHg

1:00 PM

Overcast

67° 💧 None 💨 10 mph H 67%30.30 inHg

2:00 PM

Overcast

67° 💧 None 💨 10 mph H 68%30.30 inHg

3:00 PM

Overcast

67° 💧 None 💨 10 mph H 67%30.27 inHg

4:00 PM

Overcast

67° 💧 None 💨 10 mph H 66%30.27 inHg

5:00 PM

Overcast

67° 💧 None 💨 10 mph H 66%30.27 inHg

6:00 PM

Overcast

66° 💧 None 💨 8 mph H 69%30.27 inHg

7:00 PM

Overcast night

65° 💧 None 💨 8 mph H 71%30.27 inHg

8:00 PM

Overcast night

65° 💧 None 💨 9 mph H 72%30.27 inHg

9:00 PM

Overcast night

64° 💧 None 💨 10 mph H 75%30.27 inHg

10:00 PM

Overcast night

63° 💧 None 💨 8 mph H 77%30.30 inHg

11:00 PM

Overcast night

63° 💧 None 💨 8 mph H 78%30.30 inHg

Thursday

12:00 AM

Overcast night

62° 💧 None 💨 7 mph H 80%30.27 inHg

1:00 AM

Mostly cloudy night

62° 💧 None 💨 7 mph H 81%30.27 inHg

2:00 AM

Mostly cloudy night

60° 💧 None 💨 4 mph H 87%30.27 inHg

3:00 AM

Partly cloudy night

58° 💧 None 💨 4 mph H 92%30.27 inHg

4:00 AM

Overcast night

58° 💧 None 💨 4 mph H 94%30.27 inHg

5:00 AM

Overcast night

59° 💧 None 💨 6 mph H 89%30.27 inHg

6:00 AM

Mostly cloudy night

59° 💧 None 💨 6 mph H 86%30.30 inHg

7:00 AM

Mostly cloudy

58° 💧 None 💨 6 mph H 84%30.30 inHg

8:00 AM

Partly cloudy

58° 💧 None 💨 6 mph H 82%30.30 inHg

9:00 AM

Mostly sunny

61° 💧 None 💨 7 mph H 76%30.30 inHg

10:00 AM

Mostly sunny

64° 💧 None 💨 6 mph H 70%30.30 inHg

11:00 AM

Mostly sunny

67° 💧 None 💨 5 mph H 68%30.30 inHg

12:00 PM

Partly cloudy

69° 💧 None 💨 5 mph H 66%30.27 inHg

1:00 PM

Overcast

72° 💧 None 💨 5 mph H 62%30.27 inHg

2:00 PM

Overcast

72° 💧 None 💨 5 mph H 61%30.24 inHg

3:00 PM

Overcast

71° 💧 0.001 in 💨 5 mph H 62%30.24 inHg

4:00 PM

Overcast

71° 💧 None 💨 5 mph H 63%30.21 inHg

5:00 PM

Overcast

71° 💧 None 💨 6 mph H 63%30.21 inHg

6:00 PM

Overcast

70° 💧 None 💨 6 mph H 68%30.21 inHg

7:00 PM

Partly cloudy night

68° 💧 None 💨 7 mph H 71%30.21 inHg

Friday

4:00 AM

Overcast night

62° 💧 None 💨 6 mph H 84%30.24 inHg

7:00 AM

Overcast

62° 💧 None 💨 6 mph H 83%30.27 inHg

10:00 AM

Overcast

65° 💧 None 💨 6 mph H 74%30.30 inHg

1:00 PM

Overcast

71° 💧 None 💨 6 mph H 59%30.27 inHg

4:00 PM

Overcast

72° 💧 None 💨 5 mph H 55%30.21 inHg

7:00 PM

Overcast night

66° 💧 None 💨 6 mph H 67%30.18 inHg

10:00 PM

Mostly cloudy night

62° 💧 None 💨 6 mph H 65%30.21 inHg

Saturday

1:00 AM

Partly cloudy night

58° 💧 None 💨 8 mph H 70%30.21 inHg

4:00 AM

Overcast night

56° 💧 None 💨 7 mph H 77%30.18 inHg

7:00 AM

Overcast

55° 💧 None 💨 7 mph H 80%30.21 inHg

10:00 AM

Overcast

60° 💧 None 💨 7 mph H 71%30.21 inHg

1:00 PM

Overcast

66° 💧 None 💨 6 mph H 55%30.18 inHg

4:00 PM

Overcast

64° 💧 None 💨 4 mph H 68%30.15 inHg

7:00 PM

Light rain

63° 💧 None 💨 3 mph H 74%30.12 inHg

10:00 PM

Overcast night

61° 💧 None 💨 4 mph H 79%30.09 inHg

Sunday

1:00 AM

Overcast night

61° 💧 None 💨 4 mph H 79%30.09 inHg

4:00 AM

Light rain

60° 💧 None 💨 6 mph H 86%30.09 inHg

7:00 AM

Overcast

58° 💧 None 💨 6 mph H 85%30.09 inHg

10:00 AM

Partly cloudy

66° 💧 None 💨 6 mph H 63%30.09 inHg

1:00 PM

Mostly cloudy

72° 💧 None 💨 7 mph H 50%30.06 inHg

4:00 PM

Mostly cloudy

73° 💧 None 💨 6 mph H 51%30.00 inHg

7:00 PM

Clear night

67° 💧 None 💨 5 mph H 69%30.00 inHg

10:00 PM

Mostly clear night

63° 💧 None 💨 6 mph H 72%30.00 inHg

Monday

1:00 AM

Partly cloudy night

62° 💧 None 💨 6 mph H 72%30.00 inHg

7:00 AM

Mostly sunny

59° 💧 None 💨 6 mph H 84%30.00 inHg

1:00 PM

Sunny

53° 💧 None 💨 4 mph H 91%30.03 inHg

7:00 PM

Clear night

72° 💧 None 💨 2 mph H 49%30.00 inHg

Tuesday

1:00 AM

Clear night

65° 💧 None 💨 5 mph H 65%29.94 inHg

7:00 AM

Sunny

57° 💧 None 💨 5 mph H 76%29.94 inHg

1:00 PM

Sunny

52° 💧 None 💨 4 mph H 88%30.00 inHg

7:00 PM

Clear night

74° 💧 None 💨 5 mph H 42%29.97 inHg

Wednesday

1:00 AM

Clear night

66° 💧 None 💨 4 mph H 61%29.94 inHg

7:00 AM

Overcast

59° 💧 None 💨 7 mph H 68%29.97 inHg

1:00 PM

Partly cloudy

57° 💧 None 💨 8 mph H 83%30.00 inHg

7:00 PM

Clear night

80° 💧 None 💨 10 mph H 36%30.00 inHg

Thursday

1:00 AM

Mostly clear night

70° 💧 None 💨 5 mph H 55%29.97 inHg

7:00 AM

Overcast

66° 💧 None 💨 9 mph H 72%30.03 inHg

1:00 PM

Overcast

63° 💧 None 💨 9 mph H 81%30.06 inHg

7:00 PM

Overcast night

83° 💧 None 💨 9 mph H 43%30.06 inHg

Friday

1:00 AM

Overcast night

75° 💧 None 💨 7 mph H 46%30.03 inHg

7:00 AM

Overcast

70° 💧 None 💨 8 mph H 55%30.09 inHg

1:00 PM

Overcast

69° 💧 None 💨 8 mph H 58%30.09 inHg

7:00 PM

Mostly cloudy night

84° 💧 None 💨 8 mph H 40%30.09 inHg

Saturday

1:00 AM

Clear night

77° 💧 None 💨 5 mph H 54%30.03 inHg

7:00 AM

Mostly sunny

71° 💧 None 💨 6 mph H 62%30.03 inHg

1:00 PM

Mostly sunny

69° 💧 None 💨 6 mph H 66%30.06 inHg

7:00 PM

Partly cloudy night

84° 💧 None 💨 11 mph H 45%30.00 inHg

Sunday

1:00 AM

Overcast night

76° 💧 None 💨 8 mph H 64%29.97 inHg

7:00 AM

Light rain

69° 💧 None 💨 10 mph H 85%29.94 inHg

1:00 PM

Overcast

70° 💧 None 💨 7 mph H 94%29.91 inHg

7:00 PM

Partly cloudy night

78° 💧 None 💨 7 mph H 72%29.91 inHg

Monday

1:00 AM

Partly cloudy night

70° 💧 None 💨 11 mph H 70%29.97 inHg

7:00 AM

Overcast

61° 💧 None 💨 11 mph H 72%30.09 inHg

1:00 PM

Overcast

56° 💧 None 💨 10 mph H 76%30.15 inHg

7:00 PM

Mostly cloudy night

68° 💧 None 💨 11 mph H 47%30.18 inHg

Tuesday

1:00 AM

Overcast night

62° 💧 None 💨 6 mph H 57%30.12 inHg

7:00 AM

Overcast

56° 💧 None 💨 6 mph H 70%30.12 inHg

1:00 PM

Mostly cloudy

54° 💧 None 💨 6 mph H 79%30.12 inHg

7:00 PM

Clear night

68° 💧 None 💨 8 mph H 47%30.06 inHg

Wednesday

1:00 AM

Clear night

61° 💧 None 💨 7 mph H 61%30.06 inHg

In San Jose and, more broadly, across the state of Illinois: This morning begins with mostly cloudy skies and mild temperatures ranging from 60 to 69 degrees Fahrenheit. Winds will be coming from the northeast at around 11 mph, with gusts reaching up to 21 mph. As the day progresses into the afternoon, the cloud cover is expected to persist, but no precipitation is anticipated. Temperatures are likely to remain steady within the mild range, providing comfortable conditions for outdoor activities. Winds will continue from the northeast, maintaining a moderate breeze throughout the day. Overall, it will be a relatively calm day with partly cloudy skies and no significant weather disruptions.

15-Day Weather Outlook for San Jose

TomorrowTomorrow

Overcast 67°/58° 💧 None 💨 10 mph

Thursday, Sep 24Thu Sep 24

Overcast 72°/58° 💧 None 💨 7 mph

Friday, Sep 25Fri Sep 25

Overcast 72°/62° 💧 0.071 in 💨 6 mph

Saturday, Sep 26Sat Sep 26

Light rain 66°/55° 💧 0.023 in 💨 8 mph

Sunday, Sep 27Sun Sep 27

Light rain 73°/58° 💧 0.067 in 💨 7 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 72°/53° 💧 None 💨 6 mph

Tuesday, Sep 29Tue Sep 29

Sunny 74°/52° 💧 None 💨 5 mph

Wednesday, Sep 30Wed Sep 30

Overcast 80°/57° 💧 None 💨 10 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 83°/63° 💧 None 💨 9 mph

Friday, Oct 2Fri Oct 2

Overcast 84°/69° 💧 None 💨 8 mph

Saturday, Oct 3Sat Oct 3

Mostly sunny 84°/69° 💧 None 💨 11 mph

Sunday, Oct 4Sun Oct 4

Light rain 78°/69° 💧 0.089 in 💨 10 mph

Monday, Oct 5Mon Oct 5

Partly cloudy 70°/56° 💧 0.096 in 💨 11 mph

Tuesday, Oct 6Tue Oct 6

Overcast 68°/54° 💧 0.001 in 💨 8 mph

Wednesday, Oct 7Wed Oct 7

Sunny 61°/61° 💧 None 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in San Jose

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for San Jose

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 3,2µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 3,7µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 44,2µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 4,7µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in San Jose

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 1,7Low 😊Good

Tomorrow UV 4,5Moderate 🙂Fair

Thursday UV 3,8Moderate 🙂Fair

Friday UV 4,3Moderate 🙂Fair

Saturday UV 3,0Moderate 🙂Fair

Sunday UV 5,0Moderate —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

11:00 AMUV 1,2 12:00 PMUV 1,6 1:00 PMUV 1,7 2:00 PMUV 1,5 3:00 PMUV 1,2 4:00 PMUV 0,7 5:00 PMUV 0,3 6:00 PMUV 0,1 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for San Jose

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SAN JOSE, ILLINOIS

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 8:00 PM–9:00 PM.

65/100Best-hour score

BEST TIME TONIGHT 8:00 PM–9:00 PM Astronomical darkness: 8:27 PM–5:16 AM

☁ Cloud cover 39% Real hourly forecast for the best viewing hour.

☾ Moonlight 86% Waxing Gibbous · Moon about 26° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant -15° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min5%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for San Jose were last refreshed today at 10:42 AM. The current forecast period extends through 24/09/2026 at 8:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.