, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Mon

      Aug 21

      90° /73°
      Partly sunny, hot and humid
      • Good
      • for hunting
      • Precip: 25%
      • Cloud Cover: 29%
      • Wind Gust: 10 mph
      More
    • Tue

      Aug 22

      86° /65°
      Strong afternoon t-storms
      • Good
      • for hunting
      • Precip: 70%
      • Cloud Cover: 69%
      • Wind Gust: 15 mph
      More
    • Wed

      Aug 23

      83° /58°F
      Delightful with sunshine
      • Good
      • for hunting
      • Precip: 14%
      • Cloud Cover: 5%
      • Wind Gust: 21 mph
    • Thu

      Aug 24

      84° /60°
      Mostly sunny
      • Very Good
      • for hunting
      • Precip: 1%
      • Cloud Cover: 23%
      • Wind Gust: 12 mph
      More
    • Fri

      Aug 25

      86° /64°
      Warm with clouds and sun
      • Very Good
      • for hunting
      • Precip: 25%
      • Cloud Cover: 60%
      • Wind Gust: 18 mph
      More

    Want more Hourly forecasting?

    Subscribe to our Premium Membership

    Hourly

    Get 15 days of hourly forecasts and daily details, plus the interactive Planner and more all ad-free when you subscribe to our Premium service.

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/23/2016
    High 83° 82° 104° (1947) 81°
    Low 58° 62° 43° (1923) 62°

    Sunrise/Sunset

    • Sunrise: 6:12 AM
    • Sunset: 7:43 PM
    • Duration: 13:31 hr

    Moonrise/Moonset

    • Moonrise: 8:10 AM
    • Moonset: 9:01 PM
    • Duration: 12:51 hr
    Astronomy

    Solunar Information for Ottawa, IL

    Mon, Aug 21
    New
    Tue, Aug 29
    First
    Wed, Sep 6
    Full
    Wed, Sep 13
    Last