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    • Tonight

      Sep 27

      50° Lo
      A touch of rain late
      • 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
    • Wed

      Sep 28

      61° /57°
      Windy with a little rain
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      67° /59°
      A brief shower or two
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 30

      64° /54°F
      Cloudy with spotty showers
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Sat

      Oct 1

      67° /54°
      Mostly cloudy with a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    64°Hi RealFeel® 59° Precipitation 59%
    Cloudy and breezy with a couple of showers
    • NE 17 mph
    • Gusts: 32 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 20%
    • Precipitation: 0.06 in
    • Rain: 0.06 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Night

    54°Lo RealFeel® 50° Precipitation 73%
    Cloudy and mild with showers, mainly early
    • ENE 10 mph
    • Gusts: 15 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.16 in
    • Rain: 0.16 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2.5 hrs
    • Hours of Rain: 2.5 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 64° 69° N/A 60°
    Low 54° 48° N/A 53°

    Sunrise/Sunset

    • Sunrise: 6:48 AM
    • Sunset: 6:33 PM
    • Duration: 11:45 hr

    Moonrise/Moonset

    • Moonrise: 6:19 AM
    • Moonset: 6:39 PM
    • Duration: 12:20 hr
    Astronomy

    Lake Forest Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 27, 2016; 7:42 PM ET

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

    Fri. Dust & Dander

    Fri. Wind Maps