• Tonight

    Sep 18

    Lo 56°

    Mainly clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Fri

    Sep 19

    84°Lo 54°

    Low clouds, then sun; warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Sat

    Sep 20

    78°Lo 54°

    Plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Sun

    Sep 21

    78°Lo 55°

    Plenty of sun

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      10%
    more
  • Mon

    Sep 22

    82°Lo 53°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      19%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Showers
Showers
Showers
Showers
Temp (°F) 64° 64° 63° 66° 68° 68° 70° 68°
RealFeel® 62° 61° 61° 64° 65° 68° 73° 69°
Humidity 94% 87% 87% 93% 90% 90% 84% 87%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
40%
 
34%
 
34%
 
47%
 
51%
 
44%
 
45%
 
45%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 5 SE 5 SE 4 SE 4 SSE 7 SSE 7 SSE 4 S 6 SW
UV Index 0 0 0 0 0 1 2 2
Cloud Cover 100% 99% 98% 85% 100% 100% 85% 100%
Dew Point 62° 60° 60° 64° 65° 65° 65° 64°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 76° 88° 102° (1984) 88°
Low 56° 50° 38° (2008) 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:54 AM with 12:20 of sunlight, then sets at 7:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:55 AM with 14:10 of moolight, then sets at 4:05 PM

Top Story

Santa Rosa Weather Report

San Francisco: Sunshine, Seasonable Temperatures to Continue

September 18, 2014; 4:37 PM ET

The Bay Area will continue to feature sunshine and seasonable temperatures as the summer season comes to a close. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps