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      Elev 5344 ft, 39.989 °N 105.235 °W

      Boulder, CO

      Southeast Boulder Station68°
      Updated: 11:56 AM MDT on September 15, 2026 (GMT -6)
      2 minutes ago
      73°
      53°
      68
      Feels Like 68
      Partly Cloudy
      N
      6
      Lower temperature is expected today
      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
        Wed 09/16
        High 73°f
         5% Precip. / 0 in
        Sun and clouds mixed. High 73F. Winds ESE at 5 to 10 mph.
        Tonight
        Wed 09/16
        Low 53°f
         6% Precip. / 0 in
        Mainly cloudy. Low 53F. Winds light and variable.
        Tomorrow
        Thu 09/17
        High 80°f60°f
         22% Precip. / 0 in
        Mostly cloudy skies. A stray shower or thunderstorm is possible. High around 80F. Winds light and variable.
        Hourly Forecast
        Now
        66°
        12PM
        66°
        1PM
        68°
        2PM
        70°
        3PM
        70°
        4PM
        71°
        5PM
        71°
        6PM
        70°
        7PM
        69°
        7:09PM
        Sunset
        8PM
        66°
        9PM
        64°
        10PM
        63°
        11PM
        62°
        12AM
        60°
        1AM
        59°
        2AM
        58°
        3AM
        56°
        4AM
        56°
        5AM
        55°
        6AM
        55°
        6:42AM
        Sunrise
        7AM
        54°
        8AM
        56°
        9AM
        60°
        10AM
        63°
        11AM
        68°
        Precipitation
        6%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        63
        Moderate
        UV Index
        6
        High
        Additional Conditions
        1. Pressure 30.07 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point37°F
        5. Humidity 35%
        6. Rainfall 0.04 in
        7. Snow Depth 0 in
         KBDU Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 73°F 79°F 93°F 2018
        4. Low 53°F 49°F 30°F 1903
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 79°F 93°F
        4. Low 53°F 48°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:42 AM 7:09 PM
        3. Civil Twilight 6:14 AM 7:36 PM
        4. Nautical Twilight 5:42 AM 8:08PM
        5. Astronomical Twilight 5:10 AM 8:41 PM
        1. Length of Visible Light 13h 21m
        2. Length of Day 12h 27m
        3. Tomorrow will be 2 minutes 36 seconds shorter
        1. Moon 11:39 AM 9:11 PM
        2. Waxing Crescent21% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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