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      Elev 5010 ft, 40.135 °N 105.111 °W

      Longmont, CO

      Rainbow Ridge Station53°
      Updated: 8:01 AM MDT on September 16, 2026 (GMT -6)
      48 seconds ago
      83°
      50°
      53
      Feels Like 53
      Sunny
      N
      1
      Higher 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
        Thu 09/17
        High 83°f
         24% Precip. / 0 in
        A mix of clouds and sun early followed by cloudy skies this afternoon. A stray shower or thunderstorm is possible. High 83F. Winds ENE at 5 to 10 mph.
        Tonight
        Thu 09/17
        Low 59°f
         24% Precip. / 0 in
        Cloudy. A stray shower or thunderstorm is possible. Low 59F. Winds NW at 5 to 10 mph.
        Tomorrow
        Fri 09/18
        High 80°f56°f
         24% Precip. / 0 in
        Cloudy. A stray shower or thunderstorm is possible. High around 80F. Winds light and variable.
        Hourly Forecast
        Now
        54°
        8AM
        54°
        9AM
        58°
        10AM
        63°
        11AM
        69°
        12PM
        74°
        1PM
        78°
        2PM
        79°
        3PM
        82°
        4PM
        81°
        5PM
        80°
        6PM
        79°
        7PM
        77°
        7:07PM
        Sunset
        8PM
        73°
        9PM
        70°
        10PM
        33%
        69°
        11PM
        68°
        12AM
        67°
        1AM
        66°
        2AM
        66°
        3AM
        64°
        4AM
        63°
        5AM
        62°
        6AM
        39%
        61°
        6:43AM
        Sunrise
        7AM
        39%
        60°
        Precipitation
        39%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        22
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 30.09 in
        2. Visibility 9 miles
        3. Clouds Clear
        4. Dew Point44°F
        5. Humidity 70%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KLMO Station History
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 83°F 81°F 95°F 1895
        4. Low 50°F 46°F 32°F 1951
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 80°F 98°F
        4. Low 50°F 46°F 29°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:42 AM 7:07 PM
        3. Civil Twilight 6:15 AM 7:34 PM
        4. Nautical Twilight 5:43 AM 8:06PM
        5. Astronomical Twilight 5:10 AM 8:39 PM
        1. Length of Visible Light 13h 19m
        2. Length of Day 12h 24m
        3. Tomorrow will be 2 minutes 37 seconds shorter
        1. Moon 12:43 PM 9:47 PM
        2. Waxing Crescent30% 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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