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      Elev 5702 ft, 39.944 °N 105.249 °W

      Boulder, CO

      Valle Del Rio Station69°
      Updated: 10:51 AM MDT on October 18, 2026 (GMT -6)
      4 minutes ago
      73°
      50°
      69
      Feels Like 69
      Sunny
      N
      4
      Lower temperature is expected today
      Wundermap

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       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
        Mon 10/19
        High 73°f
         0% Precip. / 0 in
        Sunshine and clouds mixed. High 73F. Winds ENE at 5 to 10 mph.
        Tonight
        Mon 10/19
        Low 43°f
         1% Precip. / 0 in
        A few clouds. Low 43F. Winds light and variable.
        Tomorrow
        Tue 10/20
        High 67°f46°f
         15% Precip. / 0 in
        Except for a few afternoon clouds, mainly sunny. A stray shower or thunderstorm is possible. High 67F. Winds light and variable.
        Hourly Forecast
        Now
        70°
        11AM
        70°
        12PM
        72°
        1PM
        73°
        2PM
        71°
        3PM
        71°
        4PM
        70°
        5PM
        68°
        6PM
        66°
        6:16PM
        Sunset
        7PM
        62°
        8PM
        59°
        9PM
        57°
        10PM
        55°
        11PM
        54°
        12AM
        52°
        1AM
        51°
        2AM
        50°
        3AM
        49°
        4AM
        47°
        5AM
        46°
        6AM
        44°
        7AM
        44°
        7:15AM
        Sunrise
        8AM
        45°
        9AM
        49°
        10AM
        52°
        Precipitation
        1%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        35
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 29.95 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point25°F
        5. Humidity 18%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KBDU Station History
        Almanac for October 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 73°F 65°F 86°F 1926
        4. Low 50°F 36°F 19°F 1925
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.7 in -
        7. Snow 0 in 0 in -
        Almanac for October 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 67°F 65°F 87°F
        4. Low 43°F 36°F 18°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:14 AM 6:16 PM
        3. Civil Twilight 6:47 AM 6:44 PM
        4. Nautical Twilight 6:15 AM 7:15PM
        5. Astronomical Twilight 5:44 AM 7:46 PM
        1. Length of Visible Light 11h 56m
        2. Length of Day 11h 2m
        3. Tomorrow will be 2 minutes 30 seconds shorter
        1. Moon 2:36 PM -
        2. First Quarter51% of the Moon is Illuminated
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
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