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: 3:36 pm MDT May 12, 2024
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  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 45. West northwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 45 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm.  Mostly 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 16 mph.

    High: 75 °F

    Sunny then
    Chance
    Showers

  • Monday
    Night

    Monday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 48. West wind 6 to 10 mph, with gusts as high as 16 mph.

    Low: 48 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77. West wind 5 to 13 mph, with gusts as high as 17 mph.

    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. Southwest wind 5 to 13 mph becoming north northwest in the evening. Winds could gust as high as 18 mph.

    Low: 47 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon.  High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Slight Chance
    T-storms then
    Showers

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 47.

    Low: 47 °F

    Slight Chance
    T-storms then
    Mostly Clear



  • Tonight: A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 45. West northwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly 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 16 mph.

    Monday Night: A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48. West wind 6 to 10 mph, with gusts as high as 16 mph.

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. West wind 5 to 13 mph, with gusts as high as 17 mph.

    Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47. Southwest wind 5 to 13 mph becoming north northwest in the evening. Winds could gust as high as 18 mph.

    Wednesday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 64. Chance of precipitation is 80%.

    Wednesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 47.

    Friday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 80.

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

    Saturday: A slight 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 49.

    Sunday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.



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

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