• Tonight

    Apr 21

    Lo 50°

    Turning cloudy

    Bicycling Weather
    • Precip
      2%
    • Hours of Precip
      0
    • Wind
      Gust
      24 mph
  • Wed

    Apr 22

    73°Lo 50°

    Times of clouds and sun

    Excellent for biking
    • Precip
      7%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
  • Thu

    Apr 23

    69°Lo 50°

    Partly sunny

    Excellent for biking
    • Precip
      3%
    • Hours of Precip
      0
    • Wind
      Gust
      21 mph
    more
  • Fri

    Apr 24

    63°Lo 47°

    Mostly sunny; breezy, cooler

    Very Good for biking
    • Precip
      8%
    • Hours of Precip
      0
    • Wind
      Gust
      23 mph
    more
  • Sat

    Apr 25

    68°Lo 51°

    Partly sunny and nice

    Excellent for biking
    • Precip
      3%
    • Hours of Precip
      0
    • Wind
      Gust
      14 mph
    more
Next Previous
Hi 65° RealFeel® 66° Precipitation 2%

Day

N

E

S

W

  • WNW 12 mph
  • Gusts: 24 mph

Cloudy this morning; breezy this afternoon with intervals of clouds and sunshine

  • 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 50° RealFeel® 47° Precipitation 3%

Night

N

E

S

W

  • W 8 mph
  • Gusts: 16 mph

Partly cloudy this evening followed by low clouds

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 65° 72° N/A 78°
Low 50° 47° N/A 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 13:24 of sunlight, then sets at 7:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:48 AM with 14:25 of moolight, then sets at 11:13 PM

Livermore Weather Report

San Francisco: Clouds, Showers to Linger Ahead of Weekend

April 21, 2015; 11:20 AM ET

While cloudy conditions can be expected over the San Francisco area for the next several days, showers will not make a return until the middle of the week. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.