• Tonight

    May 4

    Lo 52°

    Mainly cloudy with a shower

    Bicycling Weather
    • Precip
      40%
    • Hours of Precip
      2
    • Wind
      Gust
      14 mph
  • Thu

    May 5

    65°Lo 50°

    Thundershower

    Very Good for biking
    • Precip
      56%
    • Hours of Precip
      2.5
    • Wind
      Gust
      10 mph
    more
  • Fri

    May 6

    64°Lo 51°

    A thunderstorm in spots

    Good for biking
    • Precip
      41%
    • Hours of Precip
      4.5
    • Wind
      Gust
      8 mph
    more
  • Sat

    May 7

    66°Lo 52°

    Partly sunny with a shower

    Very Good for biking
    • Precip
      54%
    • Hours of Precip
      1.5
    • Wind
      Gust
      9 mph
    more
  • Sun

    May 8

    70°Lo 50°

    Partly sunny and cool

    Excellent for biking
    • Precip
      16%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
9pm
10pm 11pm Thu
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Showers
Cloudy
Cloudy
Cloudy
Temp (°F) 56° 55° 55° 54° 53° 53° 52° 52°
RealFeel® 56° 55° 55° 54° 52° 53° 53° 52°
Humidity 84% 91% 93% 93% 95% 95% 93% 93%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
30%
 
34%
 
43%
 
47%
 
51%
 
36%
 
30%
 
36%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 5 WSW 4 WSW 4 SW 4 SW 4 SW 4 SSW 4 SSW 4 SSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 80% 77% 78% 83% 91% 97% 100% 100%
Dew Point 52° 53° 53° 52° 52° 51° 50° 50°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2015
High 70° 73° N/A 67°
Low 52° 49° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 13:57 of sunlight, then sets at 8:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:56 AM with 12:55 of moolight, then sets at 5:51 PM

Santa Rosa Weather Report

San Francisco: Showery weather to arrive by late week

May 4, 2016; 12:34 PM ET

Clouds and showers will move into the Bay Area following a dry start to May. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.