• Today

    Jul 30

    82°Lo 59°

    Low clouds, then sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      87°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
  • Fri

    Jul 31

    79°Lo 59°

    Low clouds breaking

    Beneficial weather for asthma
    • Hi
      RealFeel
      83°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
  • Sat

    Aug 1

    78°Lo 61°

    Low clouds, then some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      81°
    • UV
      7 - Very High
    • Air Qual.
      Good
  • Sun

    Aug 2

    79°Lo 59°

    Low clouds, then sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      83°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
  • Mon

    Aug 3

    77°Lo 58°

    Clouds, then sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      82°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 66° 68° 71° 73° 75° 76° 78° 76°
RealFeel® 69° 73° 77° 79° 80° 81° 81° 78°
Humidity 51% 48% 46% 44% 45% 45% 42% 43%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
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Snow
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 5 WSW 6 W 6 W 7 W 9 W 10 WNW 12 WNW 13 WNW
UV Index 2 4 5 6 6 8 7 5
Cloud Cover 95% 95% 95% 95% 95% 26% 26% 26%
Dew Point 48° 48° 49° 51° 52° 54° 53° 52°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 78° 79° N/A 78°
Low 61° 56° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:13 AM with 14:03 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:10 PM with 11:42 of moolight, then sets at 8:52 AM

Los Altos Weather Report

San Francisco: Comfortable Conditions to End July

July 30, 2015; 4:31 AM ET

A pattern of cooler and seasonable weather will enter the city of San Francisco through the end of July and into the early part of August. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Sat. Asthma Risk

Sat. UV Index