• Today

    May 29

    80°Lo 53°

    Warmer with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sat

    May 30

    69°Lo 53°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    May 31

    69°Lo 57°

    Low clouds, then some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    Jun 1

    70°Lo 59°

    Some morning sun, then cloudy

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      70%
    more
  • Tue

    Jun 2

    68°Lo 54°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      0%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      14%
    more
Next Previous
< Previous 8 hours Next 8 hours >
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 55° 75° 77° 80° 80° 80° 79° 71°
RealFeel® 55° 74° 77° 81° 84° 86° 84° 75°
Humidity 81% 47% 43% 41% 42% 40% 40% 54%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
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Snow
 
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Ice
 
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 5 WNW 5 N 5 N 6 NNE 6 NW 7 N 9 N 12 N
UV Index 0 0 1 2 4 7 7 7
Cloud Cover 78% 98% 98% 92% 81% 63% 68% 63%
Dew Point 49° 54° 54° 54° 55° 54° 53° 54°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 29

more Historical Weather Data >
  Today Normal Record 5/29/2014
High 80° 76° N/A 83°
Low 53° 50° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 14:30 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:40 PM with 11:24 of moolight, then sets at 4:04 AM

Los Altos Weather Report

San Francisco: Dry Weather to Remain Into Early Next Week

May 29, 2015; 2:47 PM ET

The San Francisco area will continue in a dry pattern into early next week. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps