• Tonight

    Jul 27

    Lo 55°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Mon

    Jul 28

    85°Lo 56°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Tue

    Jul 29

    86°Lo 56°

    Mostly sunny and warm

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Wed

    Jul 30

    87°Lo 60°

    Plenty of sunshine

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      10%
    more
  • Thu

    Jul 31

    86°Lo 57°

    Sunny

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      7%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
11pm
Mon
12am
1am 2am 3am 4am 5am 6am
  11pm 12am 1am 2am 3am 4am 5am 6am
Forecast
Clear
Clear
Mostly Clear
Partly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 62° 61° 60° 59° 58° 57° 56° 55°
RealFeel® 58° 57° 56° 56° 55° 55° 54° 53°
Humidity 81% 77% 80% 83% 84% 86% 90% 92%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
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Snow
 
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Ice
 
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  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 8 S 7 S 6 S 5 S 5 SSW 4 WSW 4 WSW 4 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 4% 24% 42% 54% 65% 69% 73%
Dew Point 56° 54° 54° 54° 53° 53° 53° 53°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Jul 27

more Historical Weather Data >
  Today Normal Record 7/27/2013
High 84° 86° N/A 74°
Low 55° 53° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 14:18 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:58 AM with 13:40 of moolight, then sets at 8:38 PM

Top Story

Napa Weather Report

California Wildfires Continue in Sierra Nevada Foothills, Yosemite National Park

July 27, 2014; 8:58 PM ET

A wildfire that has already destroyed at least 17 structures is threatening more than 500 more in the Sierra Nevada foothills near Plymouth, California, state fire officials said Sunday. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps