• Today

    Apr 20

    82°Lo 42°

    Sunny, pleasant and warmer

    Unlikely for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Mon

    Apr 21

    71°Lo 43°

    Mostly cloudy and not as warm

    Unlikely for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      25%
    • Hours of Precip
      2
  • Tue

    Apr 22

    62°Lo 39°

    Cooler with spotty showers

    Unlikely for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      60%
    • Hours of Precip
      2
    more
  • Wed

    Apr 23

    65°Lo 46°

    Partly sunny and cool

    Unlikely for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      12%
    • Hours of Precip
      0
    more
  • Thu

    Apr 24

    71°Lo 47°

    Mainly cloudy

    Unlikely for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      25%
    • Hours of Precip
      3
    more
Next Previous
Hi 71° RealFeel® 75° Precipitation 25%

Day

N

E

S

W

  • S 5 mph
  • Gusts: 10 mph

Mostly cloudy and not as warm

  • Max UV Index: 6 (High)
  • Thunderstorms: 4%
  • 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® 41° Precipitation 58%

Night

N

E

S

W

  • NNW 4 mph
  • Gusts: 7 mph

Mostly cloudy and cool with a passing shower or two

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 71° 70° 97° (2009) 87°
Low 43° 43° 30° (1920) 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:28 AM with 13:28 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:30 AM with 10:31 of moolight, then sets at 12:01 PM

Top Story

Ukiah Weather Report

Chance of Rain in San Francisco on Tuesday

April 20, 2014; 7:00 PM ET

There hasn't been any measurable precipitation in San Francisco since April 4. 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.

Mon. Hair Frizz

Mon. Wind Maps

Mon. UV Index