• Early AM

    Apr 21

    Lo 50°

    Cloudy

    Sinus Headache Weather
    • Hi
      RealFeel
      75°
    • UV
      7 - High
    • Cloud
      Cover
      86%
    more
  • Today

    Apr 21

    74°Lo 48°

    Low clouds break for some sun

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      79°
    • UV
      7 - High
    • Cloud
      Cover
      60%
  • Wed

    Apr 22

    75°Lo 45°

    Times of clouds and sun

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      79°
    • UV
      6 - High
    • Cloud
      Cover
      52%
    more
  • Thu

    Apr 23

    73°Lo 45°

    Partly sunny

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      76°
    • UV
      7 - High
    • Cloud
      Cover
      28%
    more
  • Fri

    Apr 24

    66°Lo 43°

    Partly sunny

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      69°
    • UV
      6 - High
    • Cloud
      Cover
      44%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Partly Cloudy
Partly Cloudy
Temp (°F) 74° 73° 71° 68° 66° 61° 58° 56°
RealFeel® 78° 75° 71° 67° 63° 59° 55° 55°
Humidity 44% 43% 45% 49% 55% 62% 69% 73%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 8 WNW 9 WNW 10 WNW 9 NW 8 NW 8 NW 7 NW 6 NNW
UV Index 6 4 2 1 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 45% 45%
Dew Point 51° 49° 49° 49° 49° 48° 47° 48°
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

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 74° 69° N/A 75°
Low 48° 40° N/A 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:28 of sunlight, then sets at 7:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:49 AM with 14:31 of moolight, then sets at 11:20 PM

Lucerne Weather Report

San Francisco: Clouds, Showers to Linger Ahead of Weekend

April 21, 2015; 6:20 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 >

New Year, New You

Dec 24, 2012; 5:00 AM ET Start 2013 right with these tips on how to set realistic New Year's resolutions!

Tue. Sinus Headache

Tue. UV Index