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    Next 5 Days
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    • Current Weather

      39° F
      Clear
      Asthma
      • Relative Humidity: 57%
      • Yesterday Temp: 36°
      • Pressure: 30.23 inHg
    • Early AM

      Apr 25

      31° Lo
      Mainly clear
      • Asthma
      • Weather
      • Hi RealFeel: 67°
      • UV: 7 - Very High
      • Air Qual.: Good
      } Day Details
    • Today

      Apr 25

      65° Hi
      Mostly sunny and mild
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 73°
      • UV: 7 - Very High
      • Air Qual.: Good
      } Day Details
    • Tomorrow

      Apr 26

      71° Hi
      Mostly sunny and warm
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 79°
      • UV: 7 - Very High
      • Air Qual.: Good
      } Day Details
    Next 6 Hours
    • 1AM

      Apr 25

      39°
      Mostly clear
      Precip 0%
    • 2AM

      38°
      Mostly clear
      Precip 0%
    • 3AM

      36°
      Mostly clear
      Precip 0%
    • 4AM

      34°
      Mostly clear
      Precip 0%
    • 5AM

      32°
      Mostly clear
      Precip 0%
    • 6AM

      31°
      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

    Wed. Air Quality

    Wed. Asthma Risk

    Wed. UV Index