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      Elev 5010 ft, 40.135 °N 105.111 °W

      Longmont, CO

      Rainbow Ridge Station61°
      Updated: 9:57 AM MDT on September 22, 2026 (GMT -6)
      6 minutes ago
      80°
      49°
      61
      Feels Like 61
      Partly Cloudy
      N
      2
      Similar 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 09/23
        High 80°f
         15% Precip. / 0 in
        Partly cloudy. A stray shower or thunderstorm is possible. High near 80F. Winds ESE at 5 to 10 mph.
        Tonight
        Wed 09/23
        Low 55°f
         15% Precip. / 0 in
        Considerable cloudiness. A stray shower or thunderstorm is possible. Low around 55F. Winds NNW at 5 to 10 mph.
        Tomorrow
        Thu 09/24
        High 77°f54°f
         16% Precip. / 0 in
        Partly cloudy skies during the morning hours will become overcast in the afternoon. A stray shower or thunderstorm is possible. High 77F. Winds NE at 5 to 10 mph.
        Hourly Forecast
        Now
        60°
        10AM
        60°
        11AM
        65°
        12PM
        69°
        1PM
        74°
        2PM
        77°
        3PM
        79°
        4PM
        79°
        5PM
        78°
        6PM
        77°
        6:57PM
        Sunset
        7PM
        74°
        8PM
        70°
        9PM
        67°
        10PM
        65°
        11PM
        63°
        12AM
        62°
        1AM
        61°
        2AM
        60°
        3AM
        59°
        4AM
        58°
        5AM
        57°
        6AM
        57°
        6:49AM
        Sunrise
        7AM
        56°
        8AM
        59°
        9AM
        63°
        Precipitation
        15%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        27
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 30 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point49°F
        5. Humidity 68%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KLMO Station History
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 78°F 91°F 2001
        4. Low 49°F 43°F 23°F 1995
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 77°F 78°F 90°F
        4. Low 49°F 43°F 24°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:48 AM 6:57 PM
        3. Civil Twilight 6:21 AM 7:24 PM
        4. Nautical Twilight 5:49 AM 7:55PM
        5. Astronomical Twilight 5:17 AM 8:28 PM
        1. Length of Visible Light 13h 3m
        2. Length of Day 12h 9m
        3. Tomorrow will be 2 minutes 36 seconds shorter
        1. Moon 5:07 PM 2:25 AM
        2. Waxing Gibbous85% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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