• Mostly sunny 75°
    Asthma Current Weather
    • Relative Humidity
      52%
    • Yesterday
      Temp
      86°
    • Pressure
      29.89 inHg
  • Today

    Jul 2

    Hi 88°

    Variable clouds with a shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      88°
    • UV
      7 - High
    • Air Qual.
      Moderate
    Day Details >
  • Tomorrow

    Jul 3

    Hi 89°

    Humid with sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      90°
    • UV
      8 - Very High
    • Air Qual.
      Moderate
    Day Details >
  • Saturday

    Jul 4

    Hi 87°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      87°
    • UV
      8 - Very High
    • Air Qual.
      Good
    Day Details >
Next

Expect showery weather this morning through this evening

7/2 7/3 Now: 11:27am
AM 11-3
  • 11am Intermittent clouds 79° 47%
  • 12pm Mostly cloudy w/ showers 82° 51%
  • 1pm Intermittent clouds 85° 47%
  • 2pm Intermittent clouds 88° 34%
  • 3pm Intermittent clouds 88° 34%
PM 10-3
  • 10pm Intermittent clouds 69° 37%
  • 11pm Intermittent clouds 68° 43%
  • 12am Intermittent clouds 67° 47%
  • 1am Mostly cloudy w/ showers 66° 51%
  • 2am Intermittent clouds 66° 7%
  • 3am Intermittent clouds 64° 4%
AM 4-9
  • 4am Intermittent clouds 64° 4%
  • 5am Intermittent clouds 63° 4%
  • 6am Intermittent clouds 63° 4%
  • 7am Intermittent clouds 64° 2%
  • 8am Mostly sunny 65° 0%
  • 9am Mostly sunny 69° 0%
Hourly Forecast >
Jul 02, 2015; 5:22 AM ET
Five-day Weather Forecast for San Francisco, CA
San Francisco, CA Weather Forecast

Respiratory Health Live Feed

    Loading...

    Loading...

    Loading...

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Thu. Air Quality

Thu. Asthma Risk

Thu. UV Index