• Early AM

    Apr 21

    Lo 50°

    Partly to mostly cloudy

    Migraine Headache Weather
    • Hi
      RealFeel
      79°
    • UV
      7 - High
    • Cloud
      Cover
      63%
    more
  • Today

    Apr 21

    74°Lo 48°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      78°
    • UV
      7 - High
    • Cloud
      Cover
      45%
  • Wed

    Apr 22

    77°Lo 50°

    Clouds and sun with a shower

    Beneficial weather for migraines
    • Hi
      RealFeel
      83°
    • UV
      7 - High
    • Cloud
      Cover
      47%
    more
  • Thu

    Apr 23

    76°Lo 51°

    Clouds and sun with a shower

    Beneficial weather for migraines
    • Hi
      RealFeel
      77°
    • UV
      7 - High
    • Cloud
      Cover
      46%
    more
  • Fri

    Apr 24

    70°Lo 47°

    Periods of sun; breezy, nice

    At High Risk weather for migraines
    • Hi
      RealFeel
      70°
    • UV
      6 - High
    • Cloud
      Cover
      66%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 61° 65° 69° 71° 73° 74° 72° 71°
RealFeel® 66° 73° 76° 77° 78° 77° 73° 69°
Humidity 64% 57% 51% 47% 45% 45% 46% 48%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
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%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 6 W 6 W 7 W 8 W 9 WNW 12 WNW 13 WNW 14 WNW
UV Index 4 5 6 7 7 6 4 2
Cloud Cover 45% 45% 45% 45% 45% 45% 45% 45%
Dew Point 49° 49° 50° 50° 51° 51° 50° 50°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 74° N/A N/A 80°
Low 48° N/A N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:24 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:47 AM with 14:25 of moolight, then sets at 11:12 PM

Tracy Weather Report

San Francisco: Clouds, Showers to Linger Ahead of Weekend

April 21, 2015; 4:20 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 >

Tue. Migraine Headache

Tue. UV Index