• Today

    Oct 20

    71°Lo 51°

    Not as warm

    Watch for hair frizz
    • Wind
      Gust
      32 mph
    • Precip
      50%
    • Hours of Precip
      1
    more
  • Tue

    Oct 21

    73°Lo 49°

    Partly sunny

    Watch for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      5%
    • Hours of Precip
      0
    more
  • Wed

    Oct 22

    76°Lo 54°

    Partly sunny and nice

    Watch for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      5%
    • Hours of Precip
      0
  • Thu

    Oct 23

    79°Lo 53°

    Sunny to partly cloudy

    Watch for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Fri

    Oct 24

    79°Lo 53°

    Mostly sunny

    Watch for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      25%
    • Hours of Precip
      1
    more
Next Previous
Hi 76° RealFeel® 76° Precipitation 5%

Day

N

E

S

W

  • W 6 mph
  • Gusts: 12 mph

Partly sunny and nice

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 54° RealFeel® 52° Precipitation 10%

Night

N

E

S

W

  • W 5 mph
  • Gusts: 8 mph

Mostly cloudy

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

Temperature History - Oct 22

more Historical Weather Data >
  Today Normal Record 10/22/2013
High 76° 75° N/A 86°
Low 54° 49° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:22 AM with 10:59 of sunlight, then sets at 6:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:10 AM with 11:39 of moolight, then sets at 5:49 PM

Livermore Weather Report

San Francisco: Dry Weather to Remain Through Late Week

October 20, 2014; 6:40 PM ET

A chance of rain is expected on Monday as a Pacific storm moves through the Northwest United States. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Wed. Hair Frizz

Wed. Wind Maps

Wed. UV Index