• Tonight

    Mar 4

    Lo 47°

    Clear

    Asthma Weather
    • Hi
      RealFeel
      71°
    • UV
      0 - Moderate
    • Air Qual.
      Good
  • Thu

    Mar 5

    68°Lo 47°

    Plenty of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      72°
    • UV
      0 - Moderate
    • Air Qual.
      Good
    more
  • Fri

    Mar 6

    68°Lo 47°

    Plenty of sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      70°
    • UV
      0 - Moderate
    • Air Qual.
      Good
    more
  • Sat

    Mar 7

    68°Lo 48°

    Sunny to partly cloudy

    Beneficial weather for asthma
    • Hi
      RealFeel
      69°
    • UV
      0 - Moderate
    • Cloud
      Cover
      25%
    more
  • Sun

    Mar 8

    66°Lo 49°

    Areas of low clouds, then sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      70°
    • UV
      0 - Moderate
    • Cloud
      Cover
      50%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 57° 60° 61° 63° 65° 64° 62° 60°
RealFeel® 67° 71° 70° 68° 66° 64° 60° 58°
Humidity 68% 58% 55% 50% 48% 49% 53% 57%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
0%
 
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0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 4 WSW 4 W 5 WNW 6 WNW 7 WNW 7 N 7 NNW 6 NNW
UV Index 5 5 5 4 2 1 0 0
Cloud Cover 7% 17% 17% 16% 18% 23% 17% 12%
Dew Point 46° 45° 45° 44° 45° 44° 44° 45°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 65° 61° 77° (1984) 62°
Low 47° 47° 35° (1966) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 11:29 of sunlight, then sets at 6:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:30 PM with 12:54 of moolight, then sets at 6:24 AM

San Bruno Weather Report

San Francisco: Dry Pattern, Warmth to Continue Through Weekend

March 4, 2015; 11:35 AM ET

Above-average temperatures and clear, sunny skies will sweep across San Francisco through out the rest of the week and into early next week. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Wed. Air Quality

Wed. Asthma Risk

Wed. UV Index