National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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: 3:33 am MDT May 13, 2024		Print

  • Overnight

    Overnight: Mostly clear, with a low around 46. West wind 3 to 5 mph.

    Low: 46 °F

    Mostly Clear



  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 74. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 74 °F

    Sunny then
    Chance
    Showers

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 49. Southwest wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. West northwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 48. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: 48 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

    High: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    T-storms then
    Mostly Clear



    • Overnight: Mostly clear, with a low around 46. West wind 3 to 5 mph.

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 74. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

    Monday Night: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 49. Southwest wind 5 to 9 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 78. West northwest wind 5 to 13 mph, with gusts as high as 21 mph.

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 48. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Wednesday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

    Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45.

    Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.

    Friday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.

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

    Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 80.

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 75.


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

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