• Tonight

    Aug 4

    Lo 56°

    Turning cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Wed

    Aug 5

    80°Lo 55°

    Low clouds, then sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Aug 6

    80°Lo 58°

    Low clouds breaking

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Aug 7

    76°Lo 55°

    Low clouds breaking

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Aug 8

    78°Lo 55°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Mostly Cloudy
Cloudy
Cloudy
Partly Sunny
Sunny
Mostly Sunny
Sunny
Mostly Clear
Temp (°F) 72° 73° 73° 76° 73° 71° 66° 61°
RealFeel® 75° 74° 72° 75° 71° 67° 62° 56°
Humidity 51% 51% 49% 46% 49% 55% 67% 81%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
5%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 10 SW 12 WSW 13 W 14 W 14 W 16 W 20 W 16 W
UV Index 5 4 2 2 1 0 0 0
Cloud Cover 75% 100% 100% 35% 0% 25% 0% 15%
Dew Point 53° 54° 53° 54° 53° 54° 55° 55°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2014
High 76° 82° 106° (1998) 75°
Low 56° 55° 46° (1949) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:13 AM with 14:03 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:08 PM with 13:11 of moolight, then sets at 12:19 PM

Napa Weather Report

San Francisco: Seasonable Conditions to Persist Through Week

August 5, 2015; 12:28 AM ET

Dry and seasonable conditions will continue across the San Francisco Bay area this week. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps