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    • Tonight

      Dec 17

      35° Lo F
      Cloudy; fog late with mist
      • Stargazing
      • Weather
      • Cloud Cover: 99%
      • Precip: 42%
      • Hours of Precip: 0.5
    • Mon

      Dec 18

      48° /35°
      Clouds and sun
      • Very Good
      • for stargazing
      • Cloud Cover: 46%
      • Precip: 1%
      • Hours of Precip: 0
      More
    • Tue

      Dec 19

      51° /26°
      Fog in the a.m.; partly sunny
      • Good
      • for stargazing
      • Cloud Cover: 34%
      • Precip: 2%
      • Hours of Precip: 0
      More
    • Wed

      Dec 20

      42° /28°
      Mostly sunny
      • Very Good
      • for stargazing
      • Cloud Cover: 22%
      • Precip: 6%
      • Hours of Precip: 0
      More
    • Thu

      Dec 21

      48° /40°
      Mild with clouds and sunshine
      • Poor
      • for stargazing
      • Cloud Cover: 87%
      • Precip: 41%
      • Hours of Precip: 1
      More
    Sunday
    9pm
    10pm
    11pm
    12am
    1am
    2am
    3am
    4am
    Forecast Cloudy Cloudy Cloudy Cloudy Cloudy Showers Cloudy Fog
    Temp (°F) 40° 40° 40° 40° 39° 39° 38° 38°
    RealFeel® 39° 37° 36° 35° 34° 32° 32° 32°
    Wind (mph) 5 W 6 W 7 WSW 8 WSW 8 SW 8 SW 8 SW 8 SW
    precip
    9pm
    10pm
    11pm
    12am
    1am
    2am
    3am
    4am
    Rain
    7%
    7%
    7%
    10%
    37%
    40%
    37%
    14%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    9pm
    10pm
    11pm
    12am
    1am
    2am
    3am
    4am
    UV Index 0 0 0 0 0 0 0 0
    Cloud Cover 100% 99% 99% 100% 99% 99% 99% 100%
    Humidity 84% 84% 84% 86% 88% 90% 91% 91%
    Dew Point 35° 35° 35° 36° 36° 36° 36° 36°
    Visibility 10 mi 10 mi 10 mi 10 mi 10 mi 8 mi 6 mi 4 mi
    Temp °F
    9pm
    10pm
    11pm
    12am
    1am
    2am
    3am
    4am
    45° 40° 35°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 12/17/2016
    High 46° 34° 57° (1984) 25°
    Low 35° 18° -10° (1989) 15°

    Sunrise/Sunset

    • Sunrise: 7:17 AM
    • Sunset: 4:29 PM
    • Duration: 9:12 hr

    Moonrise/Moonset

    • Moonrise: 6:28 AM
    • Moonset: 4:26 PM
    • Duration: 9:58 hr
    Astronomy

    Solunar Information for Peru, IL

    Mon, Dec 18
    New
    Tue, Dec 26
    First
    Tue, Jan 2
    Full
    Mon, Jan 8
    Last

    Sun. Stargazing