7-Day Forecast 40.19°N 105.09°W (Text-Only)
NWS Forecast for: Longmont CO
Issued by: National Weather Service Denver-Boulder, CO
Last Update: 8:56 pm MDT May 11, 2024
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  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 45. South wind around 6 mph becoming light and variable.  Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers



  • Sunday

    Sunday: A chance of showers before 9am, then showers likely and possibly a thunderstorm between 9am and 11am, then a chance of showers and thunderstorms after 11am.  Mostly cloudy, with a high near 69. Breezy, with a west northwest wind 6 to 16 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely then
    Chance
    T-storms and
    Breezy

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 45. North wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 45 °F

    Slight Chance
    T-storms then
    Mostly Clear


  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 73. West wind 5 to 9 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 73 °F

    Sunny then
    Chance
    T-storms


  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 48. South southwest wind 6 to 10 mph, with gusts as high as 15 mph.

    Low: 48 °F

    Partly Cloudy




  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms


  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy


  • Wednesday

    Wednesday: A slight chance of showers, then showers and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Showers




  • Wednesday
    Night

    Wednesday Night: A slight chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    T-storms then
    Partly Cloudy




  • Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. South wind around 6 mph becoming light and variable. Chance of precipitation is 30%.

    Sunday: A chance of showers before 9am, then showers likely and possibly a thunderstorm between 9am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 69. Breezy, with a west northwest wind 6 to 16 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45. North wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. West wind 5 to 9 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    Monday Night: Partly cloudy, with a low around 48. South southwest wind 6 to 10 mph, with gusts as high as 15 mph.

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.

    Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47.

    Wednesday: A slight chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 63.

    Wednesday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.

    Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.

    Thursday Night: Mostly clear, with a low around 47.

    Friday: A slight chance of showers and thunderstorms. Sunny, with a high near 79.

    Friday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 50.

    Saturday: A slight chance of showers and thunderstorms. Sunny, with a high near 78.



    Longmont CO
     40.19°N 105.09°W (Elev. 5010 ft)

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