• Mon

    May 18

    66°Lo 47°

    Mostly cloudy

    Hair Frizz Weather
    • Wind
      Gust
      23 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Tue

    May 19

    85°Lo 51°

    Sunny

    Hair Frizz Weather
    • Wind
      Gust
      29 mph
    • Precip
      5%
    • Hours of Precip
      0
    more
  • Wed

    May 20

    79°Lo 52°

    Sunny

    Hair Frizz Weather
    • Wind
      Gust
      29 mph
    • Precip
      5%
    • Hours of Precip
      0
  • Thu

    May 21

    79°Lo 52°

    Mostly sunny

    Hair Frizz Weather
    • Wind
      Gust
      21 mph
    • Precip
      20%
    • Hours of Precip
      0
    more
  • Fri

    May 22

    79°Lo 52°

    Partial sunshine

    Hair Frizz Weather
    • Wind
      Gust
      28 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
Next Previous
Hi 79° RealFeel® 79° Precipitation 5%

Day

N

E

S

W

  • NNW 14 mph
  • Gusts: 29 mph

Sunny

  • Max UV Index: 8 (Very High)
  • 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 52° RealFeel® 47° Precipitation 5%

Night

N

E

S

W

  • NNW 13 mph
  • Gusts: 28 mph

Clear

  • 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 - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2014
High 79° 77° 102° (2001) 78°
Low 52° 48° 35° (1941) 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 14:27 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:22 AM with 14:34 of moolight, then sets at 10:56 PM

Ukiah Weather Report

San Francisco: Seasonable Temperatures to Continue Through Week

May 3, 2015; 1:29 AM ET

A pattern of seasonable temperatures will continue through the first part of the new week, with low clouds in the morning and sunny conditions through the afternoon. 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.