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: 7:01 am MDT Jun 18, 2024
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  • Today

    Today: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76. East southeast wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 50. East southeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 16 mph.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 72. Northeast wind 5 to 8 mph becoming east southeast in the afternoon.

    High: 72 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 53. East wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 53 °F

    Chance
    T-storms


  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 88. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 87.

    High: 87 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms



  • Today: A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. East southeast wind 11 to 13 mph, with gusts as high as 21 mph.

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50. East southeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 16 mph.

    Juneteenth: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. Northeast wind 5 to 8 mph becoming east southeast in the afternoon.

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 53. East wind 5 to 7 mph becoming light and variable after midnight.

    Thursday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60.

    Friday: A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 87.

    Friday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60.

    Saturday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.

    Saturday Night: Mostly clear, with a low around 61.

    Sunday: A slight chance of showers and thunderstorms. Sunny, with a high near 94.

    Sunday Night: Mostly clear, with a low around 63.

    Monday: A slight chance of showers and thunderstorms. Sunny and hot, with a high near 98.



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

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