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    • Today

      Sep 26

      66° /46°
      Mostly sunny and breezy
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 65°
      • UV: 4 - Moderate
      • Air Qual.: Good
      More
    • Tue

      Sep 27

      64° /47°F
      Mostly sunny, breezy and cool
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 62°
      • UV: 4 - Moderate
      • Air Qual.: Good
    • Wed

      Sep 28

      61° /50°
      An a.m. shower; partly sunny
      • Neutral
      • weather for asthma
      • Hi RealFeel: 59°
      • UV: 4 - Moderate
      • Air Qual.: Good
      More
    • Thu

      Sep 29

      65° /51°
      Mostly sunny and breezy
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 65°
      • UV: 4 - Moderate
      • Air Qual.: Good
      More
    • Fri

      Sep 30

      67° /51°
      Partly sunny with a shower
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 68°
      • UV: 4 - Moderate
      • Air Qual.: Good
      More

    Day

    64°Hi RealFeel® 62° Precipitation 22%
    Mostly sunny, breezy and cool
    • W 14 mph
    • Gusts: 23 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    47°Lo RealFeel® 43° Precipitation 53%
    Mostly cloudy with a shower in spots
    • WNW 7 mph
    • Gusts: 10 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.09 in
    • Rain: 0.09 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 64° 70° 89° (1998) 76°
    Low 47° 47° 27° (1991) 61°

    Sunrise/Sunset

    • Sunrise: 6:48 AM
    • Sunset: 6:42 PM
    • Duration: 11:54 hr

    Moonrise/Moonset

    • Moonrise: 3:24 AM
    • Moonset: 5:11 PM
    • Duration: 13:47 hr
    Astronomy

    DeKalb Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 26, 2016; 3:03 AM ET

    Gusty winds will accompany a push of chilly air across the Great Lakes from Sunday night through Tuesday. More >

    Tue. Air Quality

    Tue. Asthma Risk

    Tue. UV Index