7-Day Forecast 40.16°N 105.12°W (Text-Only)
NWS Forecast for: Longmont CO
Issued by: National Weather Service Denver-Boulder, CO
Last Update: 2:20 am MDT May 23, 2024
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  • Today

    Today: Mostly sunny, with a high near 79. Breezy, with a south southwest wind 8 to 13 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 79 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Breezy, with a northwest wind 17 to 22 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 33 mph.

    Low: 40 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 70. Light and variable wind becoming east southeast 5 to 8 mph in the morning. Winds could gust as high as 17 mph.

    High: 70 °F

    Mostly Sunny



  • Friday
    Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 3am.  Mostly cloudy, with a low around 47. Southeast wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 47 °F

    Slight Chance
    T-storms


  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 75. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    T-storms


  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 71. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday
    Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 44.

    Low: 44 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Memorial
    Day

    Memorial Day: Sunny, with a high near 77.

    High: 77 °F

    Sunny





  • Today: Mostly sunny, with a high near 79. Breezy, with a south southwest wind 8 to 13 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    Tonight: Partly cloudy, with a low around 40. Breezy, with a northwest wind 17 to 22 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 33 mph.

    Friday: Mostly sunny, with a high near 70. Light and variable wind becoming east southeast 5 to 8 mph in the morning. Winds could gust as high as 17 mph.

    Friday Night: A 20 percent chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 47. Southeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph.

    Saturday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 47.

    Sunday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 71. Chance of precipitation is 50%.

    Sunday Night: A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 44.

    Memorial Day: Sunny, with a high near 77.

    Monday Night: Mostly clear, with a low around 48.

    Tuesday: A slight chance of showers and thunderstorms. Sunny, with a high near 81.

    Tuesday Night: Partly cloudy, with a low around 52.

    Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.



    Longmont CO
     40.16°N 105.12°W (Elev. 5000 ft)

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