• Tonight

    Oct 21

    Lo 56°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Wed

    Oct 22

    71°Lo 58°

    Partly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Thu

    Oct 23

    71°Lo 59°

    Some sun, then clouds; nice

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    Oct 24

    72°Lo 59°

    Mostly sunny and breezy

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      25%
    more
  • Sat

    Oct 25

    68°Lo 55°

    Showers around in the morning

    Ragweed Pollen Weather
    • Precip
      64%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      76%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
8am
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Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 56° 59° 62° 65° 65° 67° 68° 69°
RealFeel® 54° 58° 63° 66° 66° 68° 68° 68°
Humidity 86% 79% 70% 64% 63% 59% 56% 54%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
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Snow
 
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Ice
 
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  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 5 N 5 NNE 5 N 7 N 8 N 8 NW 9 NW 10 NW
UV Index 0 1 2 2 3 4 4 3
Cloud Cover 33% 36% 34% 45% 42% 15% 17% 17%
Dew Point 52° 52° 52° 52° 52° 52° 51° 52°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Oct 21

more Historical Weather Data >
  Today Normal Record 10/21/2013
High 69° 70° 82° (1965) 61°
Low 56° 53° 39° (1949) 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:24 AM with 11:00 of sunlight, then sets at 6:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:16 AM with 12:03 of moolight, then sets at 5:19 PM

San Bruno Weather Report

San Francisco: Dry Weather to Remain into Late Week

October 21, 2014; 8:50 PM ET

Dry, seasonable conditions will last through Friday afternoon in San Francisco. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps