• Today

    May 22

    69°Lo 50°

    Variable cloudiness

    Beneficial weather for migraines
    • Hi
      RealFeel
      74°
    • UV
      7 - High
    • Cloud
      Cover
      69%
    more
  • Sat

    May 23

    74°Lo 49°

    Clouds giving way to some sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      82°
    • UV
      8 - Very High
    • Cloud
      Cover
      60%
  • Sun

    May 24

    80°Lo 50°

    Mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      85°
    • UV
      8 - Very High
    • Cloud
      Cover
      20%
    more
  • Mon

    May 25

    79°Lo 50°

    Sunshine and beautiful

    Beneficial weather for migraines
    • Hi
      RealFeel
      83°
    • UV
      8 - Very High
    • Cloud
      Cover
      25%
    more
  • Tue

    May 26

    79°Lo 50°

    A thunderstorm in spots

    Beneficial weather for migraines
    • Hi
      RealFeel
      85°
    • UV
      8 - Very High
    • Cloud
      Cover
      25%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Partly Cloudy
Partly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 50° 54° 55° 58° 60° 64° 68° 70°
RealFeel® 52° 56° 57° 62° 66° 75° 78° 79°
Humidity 90% 84% 80% 73% 65% 58% 53% 48%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 2 NNE 2 NNE 2 NE 2 ENE 2 ESE 2 SE 4 S 4 SW
UV Index 0 0 1 1 2 5 6 6
Cloud Cover 70% 70% 95% 95% 95% 95% 95% 95%
Dew Point 47° 49° 49° 49° 48° 49° 50° 49°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 74° 79° N/A 91°
Low 49° 45° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:52 AM with 14:32 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:10 AM with 13:48 of moolight, then sets at 12:58 AM

Lucerne Weather Report

San Francisco: Cool, Cloudy Weather to Linger for Holiday Weekend

May 22, 2015; 5:37 PM ET

More clouds and cooler weather can be expected across the Bay Area through the holiday weekend and into the new week. more >

Sat. Migraine Headache

Sat. UV Index