NWS Forecast for: Longmont CO
Issued by: National Weather Service Denver-Boulder, CO
Last Update: 5:22 pm MDT Mar 21, 2023		Print

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Blustery, with a north wind 12 to 17 mph becoming north northwest 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

    Low: 31 °F

  • Wednesday

    Wednesday: A chance of snow showers before 11am, then a chance of rain and snow showers between 11am and 1pm, then a chance of rain showers after 1pm. Mostly cloudy, with a high near 52. North wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Chance
    Rain/Snow


    High: 52 °F

  • Wednesday
    Night

    Wednesday Night: A chance of rain and snow before 10pm, then a slight chance of snow between 10pm and 1am. Partly cloudy, with a low around 28. Windy, with a west wind 16 to 21 mph increasing to 27 to 32 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Windy. Chance
    Rain/Snow
    then Slight
    Chance Snow

    Low: 28 °F

  • Thursday

    Thursday: A slight chance of rain and snow between 1pm and 2pm, then a slight chance of rain after 2pm. Mostly sunny, with a high near 53. Breezy, with a west wind 13 to 18 mph decreasing to 7 to 12 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    Sunny and
    Breezy then
    Slight Chance
    Rain/Snow

    High: 53 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of rain before 7pm. Partly cloudy, with a low around 24. West wind 6 to 13 mph, with gusts as high as 18 mph.

    Slight Chance
    Rain then
    Partly Cloudy

    Low: 24 °F

  • Friday

    Friday: A chance of snow between 1pm and 2pm, then a chance of rain after 2pm. Partly sunny, with a high near 51. Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    Rain/Snow

    High: 51 °F

  • Friday
    Night

    Friday Night: A chance of rain before 7pm, then a chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Chance
    Rain/Snow
    then Chance
    Snow

    Low: 23 °F

  • Saturday

    Saturday: A slight chance of snow. Mostly sunny, with a high near 42. Breezy.

    Slight Chance
    Snow and
    Breezy

    High: 42 °F

  • Saturday
    Night

    Saturday Night: A chance of snow, mainly after 1am. Mostly cloudy, with a low around 19. Breezy.

    Chance Snow
    and Breezy


    Low: 19 °F



    • Tonight: Mostly cloudy, with a low around 31. Blustery, with a north wind 12 to 17 mph becoming north northwest 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

    Wednesday: A chance of snow showers before 11am, then a chance of rain and snow showers between 11am and 1pm, then a chance of rain showers after 1pm. Mostly cloudy, with a high near 52. North wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Wednesday Night: A chance of rain and snow before 10pm, then a slight chance of snow between 10pm and 1am. Partly cloudy, with a low around 28. Windy, with a west wind 16 to 21 mph increasing to 27 to 32 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Thursday: A slight chance of rain and snow between 1pm and 2pm, then a slight chance of rain after 2pm. Mostly sunny, with a high near 53. Breezy, with a west wind 13 to 18 mph decreasing to 7 to 12 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    Thursday Night: A 20 percent chance of rain before 7pm. Partly cloudy, with a low around 24. West wind 6 to 13 mph, with gusts as high as 18 mph.

    Friday: A chance of snow between 1pm and 2pm, then a chance of rain after 2pm. Partly sunny, with a high near 51. Chance of precipitation is 30%.

    Friday Night: A chance of rain before 7pm, then a chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Saturday: A slight chance of snow. Mostly sunny, with a high near 42. Breezy.

    Saturday Night: A chance of snow, mainly after 1am. Mostly cloudy, with a low around 19. Breezy.

    Sunday: A chance of snow. Mostly cloudy, with a high near 38.

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 20.

    Monday: A chance of snow. Partly sunny, with a high near 38.

    Monday Night: A chance of snow. Partly cloudy, with a low around 15.

    Tuesday: Mostly sunny, with a high near 48.


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

    Visit your local NWS office at: https://www.weather.gov/bou