• Today

    Apr 19

    70°Lo 47°

    Sunny

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sun

    Apr 20

    75°Lo 47°

    Partly sunny and pleasant

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    Apr 21

    67°Lo 44°

    Clouds and sun

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Tue

    Apr 22

    63°Lo 40°

    Mostly cloudy with a shower

    Low indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      76%
    more
  • Wed

    Apr 23

    69°Lo 44°

    Partly sunny and cool

    Low indoor dust & dander levels
    • Precip
      5%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 53° 55° 60° 64° 65° 67° 69° 70°
RealFeel® 53° 58° 65° 68° 69° 70° 70° 69°
Humidity 78% 68% 58% 52% 49% 46% 44% 44%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
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%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 WSW 6 WSW 7 WSW 8 WSW 10 WSW 10 WSW 11 WSW 10 WSW
UV Index 2 4 5 6 7 6 5 4
Cloud Cover 0% 0% 0% 4% 3% 6% 11% 11%
Dew Point 46° 45° 45° 46° 46° 46° 46° 47°
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 Middle Grid line 50 F

Temperature History - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2013
High 70° 69° 88° (1950) 78°
Low 47° 42° 30° (1917) 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:28 AM with 13:21 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at --:-- with of moolight, then sets at 9:54 AM

Top Story

Napa Weather Report

San Francisco: No Rain in Sight, Morning Clouds to Break for Afternoon Sunshine

April 19, 2014; 4:06 AM ET

Through the holiday weekend, morning clouds will give way to mostly sunny skies. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps