• Tonight

    Mar 30

    Lo 44°

    Increasing cloudiness

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Tue

    Mar 31

    69°Lo 39°

    Partly sunny and breezy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Wed

    Apr 1

    69°Lo 42°

    Nice with plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Thu

    Apr 2

    69°Lo 40°

    Sunny and breezy

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      0%
    more
  • Fri

    Apr 3

    71°Lo 38°

    Sunny and beautiful

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 50° 55° 59° 62° 65° 66° 69° 67°
RealFeel® 48° 55° 62° 66° 69° 69° 70° 67°
Humidity 52% 43% 37% 33% 29% 27% 26% 28%
   
  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) 9 NNW 9 NW 9 NW 10 NW 10 WNW 12 WNW 13 WNW 14 WNW
UV Index 2 3 5 6 6 6 5 3
Cloud Cover 8% 9% 10% 10% 10% 10% 10% 10%
Dew Point 33° 32° 32° 33° 32° 32° 33° 33°
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 Middle Grid line 45 F

Temperature History - Apr 1

more Historical Weather Data >
  Today Normal Record 4/1/2014
High 69° 69° 87° (2000) 57°
Low 42° 44° 30° (1936) 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:54 AM with 12:38 of sunlight, then sets at 7:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:18 PM with 12:39 of moolight, then sets at 5:57 AM

Napa Weather Report

San Francisco: Winds to Whip Across Bay Area to End March

March 30, 2015; 4:37 PM ET

A system will bring gusty winds across the Bay area to end March, but still no rain is expected in the area. more >

Wed. Dust & Dander

Wed. Wind Maps