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    Next 5 Days
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    • Current Weather

      80° F
      Partly cloudy
      Asthma
      • Relative Humidity: 17%
      • Yesterday Temp: 81°
      • Pressure: 29.79 inHg
    • Tonight

      Apr 24

      60° Lo
      Mostly clear
      • Asthma
      • Weather
      • Hi RealFeel: 99°
      • UV: 9 - Extreme
      • Air Qual.: Good
      } Day Details
    • Tomorrow

      Apr 25

      95° Hi
      Mostly sunny and very warm
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 99°
      • UV: 9 - Extreme
      • Air Qual.: Good
      } Day Details
    • Thursday

      Apr 26

      95° Hi
      Sun mixing with clouds; warm
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 99°
      • UV: 9 - Extreme
      • Air Qual.: Good
      } Day Details
    Next 6 Hours
    • 7PM

      Apr 24

      83°
      Mostly sunny
      Precip 0%
    • 8PM

      80°
      Mostly clear
      Precip 0%
    • 9PM

      75°
      Mostly clear
      Precip 0%
    • 10PM

      72°
      Mostly clear
      Precip 0%
    • 11PM

      70°
      Mostly clear
      Precip 0%
    • 12AM

      69°
      Mostly clear
      Precip 0%
    Every year, thousands of runners prepare for big races such as the Boston, New York and Chicago marathons. To prepare properly, runners have to know how temperatures affect their running performance.
    How does temperature affect your running?

    Respiratory Health Live Feed

    Tue. Air Quality

    Tue. Asthma Risk

    Tue. UV Index