• Mostly cloudy 61°
    Asthma Current Weather
    • Relative Humidity
      83%
    • Yesterday
      Temp
      64°
    • Pressure
      29.91 inHg
  • Today

    Jul 28

    Hi 85°

    Low clouds, then sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      91°
    • UV
      7 - Very High
    • Air Qual.
      Moderate
    Day Details >
  • Tomorrow

    Jul 29

    Hi 84°

    Areas of fog, then sun

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

    Jul 30

    Hi 83°

    Fog, then sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      89°
    • UV
      7 - Very High
    • Air Qual.
      Moderate
    Day Details >
Next

Fog will affect the area tomorrow morning

7/28 7/29 Now: 5:37am
AM 5-9
  • 5am Mostly cloudy 60° 0%
  • 6am Mostly cloudy 61° 0%
  • 7am Mostly cloudy 64° 0%
  • 8am Cloudy 66° 0%
  • 9am Cloudy 70° 0%
PM 4-9
  • 4pm Mostly sunny 83° 0%
  • 5pm Mostly sunny 81° 0%
  • 6pm Mostly sunny 79° 0%
  • 7pm Mostly sunny 75° 0%
  • 8pm Mostly sunny 70° 0%
  • 9pm Mostly clear 69° 0%
PM 10-3
  • 10pm Mostly clear 66° 0%
  • 11pm Mostly clear 64° 0%
  • 12am Mostly clear 63° 0%
  • 1am Mostly clear 62° 0%
  • 2am Mostly cloudy 62° 0%
  • 3am Mostly cloudy 58° 0%
Hourly Forecast >
Jul 28, 2016; 5:20 AM ET
Five-day Weather Forecast for San Francisco, CA
San Francisco, CA Weather Forecast

Palo Alto Weather Report

Oppressive heat to envelop the western US as late-week highs soar 10 to 15 degrees Fahrenheit above average

July 28, 2016; 4:34 AM ET

Highs will run between 10 and 15 degrees Fahrenheit above average across much of the interior western United States into the upcoming weekend. more >

Respiratory Health Live Feed

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Thu. Air Quality

Thu. Asthma Risk

Thu. UV Index