• Today

    Aug 2

    76°Lo 57°

    Low clouds, then sunshine

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

    Aug 3

    75°Lo 55°

    Clouds, then sun

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

    Aug 4

    75°Lo 54°

    Low clouds, then sun

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

    Aug 5

    80°Lo 53°

    Sunshine

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

    Aug 6

    80°Lo 55°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
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  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 62° 65° 68° 71° 73° 74° 76° 75°
RealFeel® 59° 64° 68° 73° 75° 76° 77° 74°
Humidity 86% 80% 70% 64% 59% 57% 54% 57%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
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Snow
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 13 W 13 W 13 W 14 W 15 W 16 WSW 17 SSW 17 SW
UV Index 1 2 3 5 6 7 6 4
Cloud Cover 98% 97% 95% 95% 95% 11% 11% 11%
Dew Point 58° 59° 58° 58° 58° 58° 58° 59°
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 2

more Historical Weather Data >
  Today Normal Record 8/2/2014
High 76° 82° 105° (1946) 85°
Low 57° 55° 44° (1918) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 14:06 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:51 PM with 12:11 of moolight, then sets at 10:02 AM

Napa Weather Report

San Francisco: Dry Weather Continues in the Bay Area

August 2, 2015; 5:42 AM ET

The only fly in the ointment in the forecast will be low morning clouds which may cause travel delays at San Francisco International Airport. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps