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    • Sun

      Oct 2

      68° /50°
      Variable clouds
      • Excellent
      • for fishing
      • Precip: 25%
      • Cloud Cover: 72%
      • Wind Speed: 6 mph
      More
    • Mon

      Oct 3

      72° /56°
      Mainly cloudy
      • Very Good
      • for fishing
      • Precip: 21%
      • Cloud Cover: 76%
      • Wind Speed: 6 mph
      More
    • Tue

      Oct 4

      75° /55°
      Pleasant with periods of sun
      • Very Good
      • for fishing
      • Precip: 24%
      • Cloud Cover: 58%
      • Wind Speed: 10 mph
      More
    • Wed

      Oct 5

      75° /55°F
      Variable cloudiness
      • Excellent
      • for fishing
      • Precip: 25%
      • Cloud Cover: 69%
      • Wind Speed: 12 mph
    • Thu

      Oct 6

      74° /54°
      Cloudy with heavy showers
      • Excellent
      • for fishing
      • Precip: 65%
      • Cloud Cover: 77%
      • Wind Speed: 10 mph
      More

    Day

    75°Hi RealFeel® 74° Precipitation 25%
    Variable cloudiness
    • SSE 12 mph
    • Gusts: 24 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    55°Lo RealFeel® 49° Precipitation 96%
    Cloudy with rain tapering to a couple of showers
    • SW 6 mph
    • Gusts: 20 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0.87 in
    • Rain: 0.87 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 8 hrs
    • Hours of Rain: 8 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/5/2015
    High 75° 69° 90° (2005) 65°
    Low 55° 45° 28° (1980) 51°

    Sunrise/Sunset

    • Sunrise: 6:57 AM
    • Sunset: 6:29 PM
    • Duration: 11:32 hr

    Moonrise/Moonset

    • Moonrise: 11:06 AM
    • Moonset: 9:25 PM
    • Duration: 10:19 hr
    Astronomy

    Solunar Information for Ottawa, IL

    Sat, Oct 1
    New
    Sun, Oct 9
    First
    Sun, Oct 16
    Full
    Sat, Oct 22
    Last

    Ottawa Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 27, 2016; 3:02 PM ET

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