• Tonight

    Apr 20

    Lo 42°

    Increasing clouds

    Bicycling Weather
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
  • Mon

    Apr 21

    71°Lo 43°

    Mostly cloudy and not as warm

    Excellent for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Tue

    Apr 22

    62°Lo 39°

    Cooler with spotty showers

    Very Good for biking
    • Precip
      60%
    • Hours of Precip
      2
    • Wind
      Gust
      14 mph
    more
  • Wed

    Apr 23

    65°Lo 46°

    Partly sunny and cool

    Excellent for biking
    • Precip
      12%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
  • Thu

    Apr 24

    71°Lo 47°

    Mainly cloudy

    Excellent for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
7pm
8pm 9pm 10pm 11pm Mon
12am
1am 2am
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Forecast
Sunny
Mostly Clear
Mostly Clear
Partly Cloudy
Partly Cloudy
Mostly Clear
Mostly Clear
Mostly Cloudy
Temp (°F) 74° 67° 63° 60° 56° 51° 50° 48°
RealFeel® 69° 63° 61° 58° 55° 51° 51° 49°
Humidity 21% 25% 32% 40% 50% 60% 68% 73%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
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0%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Wind (mph) 6 SW 5 WSW 4 WSW 3 WSW 2 W 2 NW 1 N 1 NNE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 7% 19% 29% 40% 39% 26% 26% 76%
Dew Point 31° 31° 32° 36° 38° 38° 40° 40°
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 Middle Grid line 45 F

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 84° 70° 97° (1931) 80°
Low 42° 43° 31° (2008) 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 13:26 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:39 AM with 10:17 of moolight, then sets at 10:56 AM

Top Story

Ukiah Weather Report

Chance of Rain in San Francisco on Tuesday

April 20, 2014; 9:00 PM ET

There hasn't been any measurable precipitation in San Francisco since April 4. 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.