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Current weather in Mountain View is clear sky.

Where can I find the hourly weather forecast for Mountain View?

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

Is the weather forecast for Mountain View updated regularly?

Weather data for Mountain View is updated regularly with the latest available observations and forecasts.

Now · 2:21 AM

Mountain View Weather & Hourly Forecast

United States · California · 94043

55°F

Clear night

Feels like: 55°F

💧 Humidity 92% 🌡 Pressure 29.94 inHg 💨 Wind 1 mph 👁 Visibility 12.1 mi ☁ Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:56 AM 🌇 Sunset 7:05 PM

Hourly Forecast for Mountain View

Today

3:00 AM

Clear night

54° 💧 None 💨 1 mph H 93%29.91 inHg

6:00 AM

Clear night

53° 💧 None 💨 0 mph H 91%29.91 inHg

9:00 AM

Sunny

61° 💧 None 💨 1 mph H 76%29.94 inHg

12:00 PM

Sunny

75° 💧 None 💨 4 mph H 45%29.94 inHg

3:00 PM

Sunny

82° 💧 None 💨 6 mph H 35%29.88 inHg

6:00 PM

Sunny

78° 💧 None 💨 5 mph H 44%29.85 inHg

9:00 PM

Clear night

68° 💧 None 💨 2 mph H 62%29.88 inHg

Tomorrow

12:00 AM

Clear night

64° 💧 None 💨 0 mph H 72%29.88 inHg

3:00 AM

Clear night

62° 💧 None 💨 1 mph H 74%29.88 inHg

6:00 AM

Clear night

60° 💧 None 💨 2 mph H 73%29.85 inHg

9:00 AM

Sunny

67° 💧 None 💨 1 mph H 58%29.91 inHg

12:00 PM

Mostly sunny

81° 💧 None 💨 4 mph H 36%29.88 inHg

3:00 PM

Mostly cloudy

83° 💧 None 💨 8 mph H 36%29.85 inHg

6:00 PM

Overcast

74° 💧 None 💨 7 mph H 40%29.91 inHg

9:00 PM

Overcast night

66° 💧 None 💨 1 mph H 50%29.94 inHg

Friday

12:00 AM

Mostly cloudy night

62° 💧 None 💨 1 mph H 58%29.94 inHg

Today

3:00 AM

Clear night

54° 💧 None 💨 1 mph H 93%29.91 inHg

4:00 AM

Clear night

53° 💧 None 💨 1 mph H 93%29.91 inHg

5:00 AM

Clear night

53° 💧 None 💨 1 mph H 92%29.91 inHg

6:00 AM

Clear night

53° 💧 None 💨 0 mph H 91%29.91 inHg

7:00 AM

Sunny

53° 💧 None 💨 1 mph H 90%29.94 inHg

8:00 AM

Partly cloudy

56° 💧 None 💨 1 mph H 85%29.94 inHg

9:00 AM

Sunny

61° 💧 None 💨 1 mph H 76%29.94 inHg

10:00 AM

Sunny

66° 💧 None 💨 1 mph H 64%29.94 inHg

11:00 AM

Sunny

71° 💧 None 💨 2 mph H 54%29.94 inHg

12:00 PM

Sunny

75° 💧 None 💨 4 mph H 45%29.94 inHg

1:00 PM

Sunny

78° 💧 None 💨 5 mph H 39%29.91 inHg

2:00 PM

Sunny

80° 💧 None 💨 6 mph H 35%29.88 inHg

3:00 PM

Sunny

82° 💧 None 💨 6 mph H 35%29.88 inHg

4:00 PM

Sunny

82° 💧 None 💨 7 mph H 35%29.85 inHg

5:00 PM

Sunny

81° 💧 None 💨 7 mph H 39%29.85 inHg

6:00 PM

Sunny

78° 💧 None 💨 5 mph H 44%29.85 inHg

7:00 PM

Sunny

73° 💧 None 💨 3 mph H 52%29.85 inHg

8:00 PM

Clear night

70° 💧 None 💨 3 mph H 57%29.88 inHg

9:00 PM

Clear night

68° 💧 None 💨 2 mph H 62%29.88 inHg

10:00 PM

Clear night

66° 💧 None 💨 1 mph H 67%29.88 inHg

11:00 PM

Clear night

65° 💧 None 💨 0 mph H 69%29.88 inHg

Tomorrow

12:00 AM

Clear night

64° 💧 None 💨 0 mph H 72%29.88 inHg

1:00 AM

Clear night

63° 💧 None 💨 1 mph H 73%29.88 inHg

2:00 AM

Clear night

63° 💧 None 💨 0 mph H 72%29.88 inHg

3:00 AM

Clear night

62° 💧 None 💨 1 mph H 74%29.88 inHg

4:00 AM

Clear night

61° 💧 None 💨 1 mph H 75%29.88 inHg

5:00 AM

Clear night

60° 💧 None 💨 0 mph H 74%29.85 inHg

6:00 AM

Clear night

60° 💧 None 💨 2 mph H 73%29.85 inHg

7:00 AM

Partly cloudy

59° 💧 None 💨 2 mph H 74%29.88 inHg

8:00 AM

Mostly sunny

62° 💧 None 💨 2 mph H 69%29.91 inHg

9:00 AM

Sunny

67° 💧 None 💨 1 mph H 58%29.91 inHg

10:00 AM

Mostly sunny

72° 💧 None 💨 2 mph H 50%29.91 inHg

11:00 AM

Mostly sunny

77° 💧 None 💨 2 mph H 41%29.91 inHg

12:00 PM

Mostly sunny

81° 💧 None 💨 4 mph H 36%29.88 inHg

1:00 PM

Mostly cloudy

84° 💧 None 💨 6 mph H 33%29.88 inHg

2:00 PM

Overcast

84° 💧 None 💨 7 mph H 34%29.85 inHg

3:00 PM

Mostly cloudy

83° 💧 None 💨 8 mph H 36%29.85 inHg

4:00 PM

Mostly cloudy

82° 💧 None 💨 8 mph H 36%29.85 inHg

5:00 PM

Mostly cloudy

79° 💧 None 💨 8 mph H 38%29.88 inHg

6:00 PM

Overcast

74° 💧 None 💨 7 mph H 40%29.91 inHg

7:00 PM

Overcast

70° 💧 None 💨 5 mph H 45%29.91 inHg

8:00 PM

Overcast night

67° 💧 None 💨 2 mph H 48%29.91 inHg

9:00 PM

Overcast night

66° 💧 None 💨 1 mph H 50%29.94 inHg

10:00 PM

Overcast night

65° 💧 None 💨 1 mph H 53%29.94 inHg

11:00 PM

Overcast night

63° 💧 None 💨 1 mph H 56%29.94 inHg

Friday

12:00 AM

Mostly cloudy night

62° 💧 None 💨 1 mph H 58%29.94 inHg

1:00 AM

Partly cloudy night

61° 💧 None 💨 2 mph H 60%29.94 inHg

2:00 AM

Mostly clear night

60° 💧 None 💨 1 mph H 62%29.97 inHg

3:00 AM

Clear night

59° 💧 None 💨 1 mph H 67%29.97 inHg

4:00 AM

Partly cloudy night

59° 💧 None 💨 1 mph H 73%29.97 inHg

5:00 AM

Overcast night

60° 💧 None 💨 2 mph H 83%29.97 inHg

6:00 AM

Overcast night

61° 💧 None 💨 2 mph H 89%29.97 inHg

7:00 AM

Overcast

61° 💧 None 💨 2 mph H 92%30.00 inHg

8:00 AM

Mostly cloudy

63° 💧 None 💨 2 mph H 88%30.00 inHg

9:00 AM

Mostly cloudy

66° 💧 None 💨 3 mph H 83%30.00 inHg

10:00 AM

Mostly sunny

70° 💧 None 💨 4 mph H 72%30.00 inHg

11:00 AM

Mostly sunny

73° 💧 None 💨 5 mph H 63%30.00 inHg

12:00 PM

Sunny

75° 💧 None 💨 5 mph H 56%30.00 inHg

1:00 PM

Sunny

78° 💧 None 💨 6 mph H 46%29.97 inHg

2:00 PM

Sunny

79° 💧 None 💨 8 mph H 39%29.97 inHg

3:00 PM

Mostly sunny

78° 💧 None 💨 8 mph H 35%29.97 inHg

4:00 PM

Mostly sunny

77° 💧 None 💨 8 mph H 34%29.94 inHg

5:00 PM

Sunny

74° 💧 None 💨 8 mph H 35%29.94 inHg

8:00 PM

Clear night

64° 💧 None 💨 3 mph H 64%29.94 inHg

11:00 PM

Clear night

61° 💧 None 💨 2 mph H 72%29.94 inHg

Saturday

2:00 AM

Clear night

57° 💧 None 💨 2 mph H 85%29.94 inHg

5:00 AM

Clear night

55° 💧 None 💨 1 mph H 92%29.91 inHg

8:00 AM

Mostly cloudy

55° 💧 None 💨 3 mph H 97%29.94 inHg

11:00 AM

Sunny

66° 💧 None 💨 2 mph H 55%29.94 inHg

2:00 PM

Partly cloudy

73° 💧 None 💨 7 mph H 44%29.88 inHg

5:00 PM

Overcast

69° 💧 None 💨 8 mph H 53%29.88 inHg

8:00 PM

Mostly cloudy night

62° 💧 None 💨 6 mph H 74%29.91 inHg

11:00 PM

Overcast night

60° 💧 None 💨 3 mph H 79%29.91 inHg

Sunday

2:00 AM

Overcast night

57° 💧 None 💨 3 mph H 89%29.91 inHg

5:00 AM

Partly cloudy night

55° 💧 None 💨 0 mph H 96%29.91 inHg

8:00 AM

Overcast

54° 💧 None 💨 1 mph H 98%29.94 inHg

11:00 AM

Mostly cloudy

64° 💧 None 💨 4 mph H 63%29.97 inHg

2:00 PM

Mostly sunny

69° 💧 None 💨 9 mph H 53%29.97 inHg

5:00 PM

Sunny

65° 💧 None 💨 7 mph H 58%29.97 inHg

8:00 PM

Clear night

60° 💧 None 💨 3 mph H 71%29.97 inHg

11:00 PM

Mostly clear night

57° 💧 None 💨 1 mph H 82%29.97 inHg

Monday

2:00 AM

Clear night

55° 💧 None 💨 0 mph H 90%29.97 inHg

5:00 AM

Clear night

52° 💧 None 💨 1 mph H 94%29.94 inHg

8:00 AM

Mostly sunny

51° 💧 None 💨 1 mph H 90%29.97 inHg

11:00 AM

Sunny

66° 💧 None 💨 4 mph H 57%30.00 inHg

2:00 PM

Sunny

76° 💧 None 💨 8 mph H 40%29.94 inHg

5:00 PM

Sunny

72° 💧 None 💨 8 mph H 43%29.88 inHg

11:00 PM

Clear night

61° 💧 None 💨 0 mph H 63%29.91 inHg

Tuesday

5:00 AM

Clear night

57° 💧 None 💨 0 mph H 61%29.88 inHg

11:00 AM

Sunny

75° 💧 None 💨 2 mph H 38%29.91 inHg

5:00 PM

Sunny

79° 💧 None 💨 8 mph H 31%29.83 inHg

11:00 PM

Clear night

64° 💧 None 💨 2 mph H 58%29.85 inHg

Wednesday

5:00 AM

Clear night

58° 💧 None 💨 1 mph H 69%29.83 inHg

11:00 AM

Sunny

75° 💧 None 💨 3 mph H 38%29.88 inHg

5:00 PM

Sunny

85° 💧 None 💨 6 mph H 24%29.80 inHg

11:00 PM

Clear night

67° 💧 None 💨 1 mph H 52%29.85 inHg

Thursday

5:00 AM

Mostly clear night

59° 💧 None 💨 2 mph H 82%29.83 inHg

11:00 AM

Partly cloudy

71° 💧 None 💨 2 mph H 54%29.88 inHg

5:00 PM

Partly cloudy

70° 💧 None 💨 7 mph H 55%29.85 inHg

11:00 PM

Clear night

59° 💧 None 💨 4 mph H 81%29.88 inHg

Friday

5:00 AM

Clear night

55° 💧 None 💨 2 mph H 92%29.85 inHg

11:00 AM

Mostly sunny

71° 💧 None 💨 2 mph H 48%29.85 inHg

5:00 PM

Sunny

78° 💧 None 💨 7 mph H 31%29.80 inHg

11:00 PM

Clear night

63° 💧 None 💨 0 mph H 61%29.85 inHg

Saturday

5:00 AM

Clear night

56° 💧 None 💨 1 mph H 81%29.83 inHg

11:00 AM

Sunny

73° 💧 None 💨 2 mph H 44%29.85 inHg

5:00 PM

Sunny

81° 💧 None 💨 6 mph H 31%29.80 inHg

11:00 PM

Clear night

63° 💧 None 💨 0 mph H 68%29.88 inHg

Sunday

5:00 AM

Clear night

58° 💧 None 💨 1 mph H 89%29.85 inHg

11:00 AM

Sunny

73° 💧 None 💨 2 mph H 49%29.91 inHg

5:00 PM

Sunny

84° 💧 None 💨 6 mph H 24%29.83 inHg

11:00 PM

Clear night

69° 💧 None 💨 1 mph H 49%29.88 inHg

Monday

5:00 AM

Clear night

63° 💧 None 💨 2 mph H 59%29.85 inHg

11:00 AM

Sunny

76° 💧 None 💨 2 mph H 39%29.91 inHg

5:00 PM

Sunny

81° 💧 None 💨 7 mph H 33%29.85 inHg

11:00 PM

Clear night

63° 💧 None 💨 4 mph H 69%29.91 inHg

Tuesday

5:00 AM

Mostly clear night

56° 💧 None 💨 1 mph H 96%29.91 inHg

11:00 AM

Sunny

67° 💧 None 💨 3 mph H 62%29.94 inHg

5:00 PM

Sunny

76° 💧 None 💨 6 mph H 36%29.88 inHg

11:00 PM

Clear night

61° 💧 None 💨 4 mph H 76%29.94 inHg

Wednesday

5:00 AM

Clear night

57° 💧 None 💨 4 mph H 96%29.97 inHg

11:00 AM

Sunny

68° 💧 None 💨 3 mph H 56%30.03 inHg

5:00 PM

Sunny

70° 💧 None 💨 7 mph H 51%29.97 inHg

In Mountain View and, more broadly, across the state of California: Tonight, expect mostly cloudy skies with mild to warm temperatures ranging from 73 to 80 degrees Fahrenheit. Winds will be light, coming from the west at around 9 mph, with occasional gusts reaching up to 16 mph. No precipitation is forecast for the evening and the early night hours, so outdoor plans should be comfortable. Temperatures may gradually cool into the lower 70s later in the night, but overall, conditions will remain mild. The wind remains gentle, providing a slight breeze without causing concern. Overall, it should be a pleasant evening with no weather-related disruptions.

15-Day Weather Outlook for Mountain View

TomorrowTomorrow

Partly cloudy 84°/59° 💧 None 💨 8 mph

Friday, Sep 25Fri Sep 25

Mostly cloudy 79°/59° 💧 None 💨 8 mph

Saturday, Sep 26Sat Sep 26

Mostly cloudy 73°/55° 💧 None 💨 8 mph

Sunday, Sep 27Sun Sep 27

Overcast 69°/54° 💧 None 💨 9 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 76°/51° 💧 None 💨 8 mph

Tuesday, Sep 29Tue Sep 29

Sunny 79°/57° 💧 None 💨 8 mph

Wednesday, Sep 30Wed Sep 30

Sunny 85°/58° 💧 None 💨 6 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 71°/59° 💧 None 💨 7 mph

Friday, Oct 2Fri Oct 2

Mostly sunny 78°/55° 💧 None 💨 7 mph

Saturday, Oct 3Sat Oct 3

Sunny 81°/56° 💧 None 💨 6 mph

Sunday, Oct 4Sun Oct 4

Sunny 84°/58° 💧 None 💨 6 mph

Monday, Oct 5Mon Oct 5

Sunny 81°/63° 💧 None 💨 7 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 76°/56° 💧 None 💨 6 mph

Wednesday, Oct 7Wed Oct 7

Sunny 70°/57° 💧 None 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Mountain View

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Mountain View

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 3:00 AM

PM2.5 Fine particles Good 5,0µg/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 Fair 21,3µg/m³

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

O₃ Ozone Fair 79,0µg/m³

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

NO₂ Nitrogen dioxide Good 0,8µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Mountain View

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 6,8High 🙂Fair

Tomorrow UV 6,3High 🙂Fair

Friday UV 6,4High 🙂Fair

Saturday UV 6,3High 🙂Fair

Sunday UV 6,0High 🙂Fair

Monday UV 7,0High —Unavailable

Tuesday UV 8,0Very high —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 1,1 10:00 AMUV 2,6 11:00 AMUV 4,5 12:00 PMUV 6,1 1:00 PMUV 6,8 2:00 PMUV 6,4 3:00 PMUV 5,0 4:00 PMUV 3,1 5:00 PMUV 1,4 6:00 PMUV 0,4

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

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 Mountain View

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MOUNTAIN VIEW, CALIFORNIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

96/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:32 PM–5:30 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 67° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min73%

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 Mountain View were last refreshed today at 2:21 AM. The current forecast period extends through 25/09/2026 at 12:00 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.