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      Elev 791 ft, 42.171 °N 88.290 °W

      Algonquin, IL

      Algonquin Station75°
      Updated: 1:09 PM CDT on September 29, 2026 (GMT -5)
      9 minutes ago
      77°
      48°
      75
      Feels Like 75
      Sunny
      N
      9
      Similar temperature is expected today
      Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Tue 09/29
        High 77°f
         1% Precip. / 0 in
        Sunshine and clouds mixed. High 77F. Winds SSW at 5 to 10 mph.
        Tonight
        Tue 09/29
        Low 60°f
         87% Precip. / 0.09 in
        Cloudy this evening with showers after midnight. Low around 60F. Winds S at 5 to 10 mph. Chance of rain 90%.
        Tomorrow
        Wed 09/30
        High 66°f63°f
         99% Precip. / 0.71 in
        Periods of rain. High 66F. Winds SSW at 10 to 15 mph. Chance of rain 100%. Rainfall around a half an inch.
        Hourly Forecast
        Now
        76°
        2PM
        77°
        3PM
        77°
        4PM
        76°
        5PM
        73°
        6PM
        70°
        6:38PM
        Sunset
        7PM
        68°
        8PM
        66°
        9PM
        65°
        10PM
        65°
        11PM
        65°
        12AM
        65°
        1AM
        65°
        2AM
        65°
        3AM
        64°
        4AM
        31%
        64°
        5AM
        46%
        63°
        6AM
        88%
        63°
        6:49AM
        Sunrise
        7AM
        96%
        62°
        8AM
        99%
        61°
        9AM
        99%
        61°
        10AM
        89%
        61°
        11AM
        85%
        62°
        12PM
        65%
        64°
        1PM
        61%
        64°
        Precipitation
        99%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        53
        Moderate
        UV Index
        5
        Moderate
        Additional Conditions
        1. Pressure 29.97 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point52°F
        5. Humidity 42%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         K06C Station History
        Almanac for September 29, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 77°F 71°F 84°F 1922
        4. Low 48°F 47°F 34°F 1992
        5. Rain/Snow Depth
        6. Precipitation 0.09 in 2.9 in -
        7. Snow 0 in 0 in -
        Almanac for September 30, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 70°F 90°F
        4. Low 60°F 47°F 25°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:48 AM 6:37 PM
        3. Civil Twilight 6:20 AM 7:05 PM
        4. Nautical Twilight 5:47 AM 7:38PM
        5. Astronomical Twilight 5:14 AM 8:11 PM
        1. Length of Visible Light 12h 45m
        2. Length of Day 11h 49m
        3. Tomorrow will be 2 minutes 48 seconds shorter
        1. Moon 7:54 PM 10:21 AM
        2. Waning Gibbous86% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
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