• Wed

    Mar 4

    63°Lo 43°

    Plenty of sun

    Ragweed Pollen Weather
    • Precip
      2%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      0%
  • Thu

    Mar 5

    64°Lo 47°

    Sunny

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      1%
    more
  • Fri

    Mar 6

    64°Lo 47°

    Sun and areas of high clouds

    Ragweed Pollen Weather
    • Precip
      15%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      80%
    more
  • Sat

    Mar 7

    67°Lo 50°

    Sun through high clouds

    Ragweed Pollen Weather
    • Precip
      0%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      90%
    more
  • Sun

    Mar 8

    66°Lo 53°

    Clouds giving way to some sun

    Ragweed Pollen Weather
    • Precip
      0%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      54%
    more
Next Previous
Hi 63° RealFeel® 70° Precipitation 2%

Day

N

E

S

W

  • NNE 6 mph
  • Gusts: 8 mph

Plenty of sun

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 43° RealFeel® 43° Precipitation 3%

Night

N

E

S

W

  • NNE 4 mph
  • Gusts: 7 mph

Clear and chilly

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 63° 61° 77° (1984) 62°
Low 43° 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

Western Storm to Deliver Fraction of Much-Needed Rain, Snow

February 27, 2015; 5:30 PM ET

A slow-moving storm will continue to affect the West this weekend and into the first part of next week with rounds of precipitation for some needy areas as well as trouble for travelers. more >

Making a Forecast: The Sixth Sense

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