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    • Tonight

      Sep 26

      48° Lo
      Clear
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      68° /48°F
      Mostly sunny and breezy
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Wed

      Sep 28

      64° /53°
      Mostly cloudy with a shower
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      71° /53°
      Partly sunny with a shower
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 30

      70° /54°
      Partly sunny with a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    Tuesday
    12am
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    Forecast Mostly Clear Mostly Clear Clear Clear Clear Clear Clear Sunny
    Temp (°F) 54° 53° 53° 52° 51° 51° 48° 51°
    RealFeel® 50° 49° 48° 48° 47° 47° 43° 46°
    Wind (mph) 9 WSW 9 WSW 8 WSW 8 W 8 W 9 W 9 W 9 W
    precip
    12am
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    Rain
    0%
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    Snow
    0%
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    0%
    Ice
    0%
    0%
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    0%
    0%
    SKY
    12am
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    UV Index 0 0 0 0 0 0 0 0
    Cloud Cover 11% 10% 6% 2% 0% 0% 0% 0%
    Humidity 64% 68% 70% 72% 75% 75% 85% 76%
    Dew Point 42° 43° 43° 43° 44° 44° 44° 44°
    Temp °F
    12am
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    55° 50° 45°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 68° 72° 90° (1998) 78°
    Low 48° 47° 33° (1975) 62°

    Sunrise/Sunset

    • Sunrise: 6:50 AM
    • Sunset: 6:44 PM
    • Duration: 11:54 hr

    Moonrise/Moonset

    • Moonrise: 3:26 AM
    • Moonset: 5:12 PM
    • Duration: 13:46 hr
    Astronomy

    Peru Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 26, 2016; 4:43 PM ET

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

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps