• Today

    May 5

    28°Lo 19°

    A p.m. t-storm in spots

    Fair for running
    • Precip
      47%
    • Hours of Precip
      1.5
    • Wind
      Gust
      35 k/h
  • Wed

    May 6

    28°Lo 20°

    A thunderstorm in spots

    Good for running
    • Precip
      40%
    • Hours of Precip
      1
    • Wind
      Gust
      11 k/h
    more
  • Thu

    May 7

    29°Lo 19°

    A t-storm in the afternoon

    Good for running
    • Precip
      57%
    • Hours of Precip
      1.5
    • Wind
      Gust
      11 k/h
    more
  • Fri

    May 8

    29°Lo 19°

    A p.m. t-storm in spots

    Good for running
    • Precip
      41%
    • Hours of Precip
      1
    • Wind
      Gust
      13 k/h
    more
  • Sat

    May 9

    28°Lo 20°

    A p.m. t-storm in spots

    Good for running
    • Precip
      43%
    • Hours of Precip
      1.5
    • Wind
      Gust
      11 k/h
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Partly Cloudy
T-storms
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°C) 27° 24° 24° 24° 24° 22° 22° 22°
RealFeel® 30° 26° 28° 26° 24° 22° 22° 21°
Humidity 50% 74% 72% 70% 70% 73% 76% 78%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
47%
 
51%
 
47%
 
12%
 
12%
 
16%
 
43%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (km/h) 20 ENE 17 ENE 13 ENE 11 ENE 9 ENE 7 ENE 7 NE 7 ENE
UV Index 10 8 6 3 1 0 0 0
Cloud Cover 66% 71% 74% 78% 77% 71% 70% 70%
Dew Point 16° 19° 19° 18° 18° 17° 18° 18°
Middle Grid line 30 C Middle Grid line 25 C Middle Grid line 20 C

Temperature History - May 5

more Historical Weather Data >
  Today Normal Record 5/5/2014
High 28° 28° N/A 29°
Low 19° 18° N/A 18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:18 AM with 12:30 of sunlight, then sets at 5:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:21 PM with 11:59 of moolight, then sets at 7:20 AM

San Francisco Weather Report

Volcanic Eruptions and Air Travel: What Happens When a Plane Flies Through an Ash Plume?

May 5, 2015; 2:30 PM ET

The 1,500 active volcanoes worldwide are creating a minefield for pilots who have to be on watch for volcanic ash clouds capable of causing major damage. more >