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      Elev 768 ft, 41.789 °N 87.975 °W

      Westmont, IL

      Downtown Westmont Station75°
      Updated: 4:39 PM CDT on September 9, 2026 (GMT -5)
      49 seconds ago
      80°
      69°
      75
      Feels Like 77
      Mostly Cloudy
      N
      10
      Gusts 20 mph
      Same temperature is expected tomorrow
      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
        Tonight
        Thu 09/10
        Low 66°f
         9% Precip. / 0 in
        Partly cloudy this evening, then becoming cloudy after midnight. Low 66F. Winds W at 10 to 15 mph.
        Tomorrow
        Fri 09/11
        High 79°f
         7% Precip. / 0 in
        Cloudy early with partial sunshine expected late. High 79F. Winds NNE at 5 to 10 mph.
        Tomorrow night
        Fri 09/11
        Low 59°f
         6% Precip. / 0 in
        Clear. Low 59F. Winds ESE at 5 to 10 mph.
        Hourly Forecast
        Now
        78°
        5PM
        78°
        6PM
        77°
        7PM
        76°
        7:11PM
        Sunset
        8PM
        74°
        9PM
        73°
        10PM
        73°
        11PM
        72°
        12AM
        71°
        1AM
        71°
        2AM
        70°
        3AM
        69°
        4AM
        68°
        5AM
        68°
        6AM
        67°
        6:27AM
        Sunrise
        7AM
        67°
        8AM
        68°
        9AM
        70°
        10AM
        72°
        11AM
        74°
        12PM
        75°
        1PM
        76°
        2PM
        77°
        3PM
        78°
        4PM
        78°
        Precipitation
        9%
        Pollen
        None
        Air Quality
        22
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.96 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point70°F
        5. Humidity 77%
        6. Rainfall 0.18 in
        7. Snow Depth 0 in
         KMDW Station History
        Almanac for September 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 81°F 95°F 1978
        4. Low 69°F 57°F 40°F 1975
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 80°F 93°F
        4. Low 69°F 56°F 40°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:26 AM 7:11 PM
        3. Civil Twilight 5:57 AM 7:39 PM
        4. Nautical Twilight 5:24 AM 8:12PM
        5. Astronomical Twilight 4:49 AM 8:47 PM
        1. Length of Visible Light 13h 41m
        2. Length of Day 12h 45m
        3. Tomorrow will be 2 minutes 46 seconds shorter
        1. Moon 4:34 AM 6:29 PM
        2. Waning Crescent3% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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