• Today

    Aug 3

    77°Lo 57°

    Sunny to partly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Tue

    Aug 4

    75°Lo 55°

    Low clouds, then some sun

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

    Aug 5

    81°Lo 54°

    Low clouds, then sunshine

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

    Aug 6

    81°Lo 55°

    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 56°

    Low clouds breaking

    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 >
  Mon
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 Sunny
Mostly Clear
Mostly Clear
Temp (°F) 77° 76° 74° 71° 68° 64° 61° 60°
RealFeel® 78° 75° 72° 68° 64° 60° 56° 56°
Humidity 50% 54% 54% 58% 64% 74% 84% 87%
   
  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
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 17 W 18 W 18 WSW 18 WSW 16 WSW 16 W 14 W 12 W
UV Index 6 4 3 1 0 0 0 0
Cloud Cover 11% 11% 11% 11% 11% 25% 25% 25%
Dew Point 57° 58° 57° 56° 56° 56° 56° 56°
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 Middle Grid line 55 F

Temperature History - Aug 3

more Historical Weather Data >
  Today Normal Record 8/3/2014
High 77° 82° 105° (1998) 75°
Low 57° 55° 42° (1932) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:13 AM with 14:04 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:29 PM with 12:43 of moolight, then sets at 11:12 AM

Napa Weather Report

San Francisco: Seasonable Conditions to Persist Through Week

August 3, 2015; 2:12 PM ET

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

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps