Forecast

    Forecast for Longmont, CO | Forecast Periods: 14
    Monday
    Mar 16
    2026

    Longmont, CO

    Updated: 12:47 PM MDT

    49°F

    Mostly Sunny

    5 mph SE
    Precipitation: 2%

    Mostly sunny, with a high near 49. Southeast wind around 5 mph.

    Hourly Forecast

    MON14:00
    44°F
    Mostly Sunny
    Dewpoint:-8.9°Precip:2%Humidity:32%Wind:5 mph ESE
    MON15:00
    46°F
    Mostly Sunny
    Dewpoint:-8.3°Precip:2%Humidity:31%Wind:5 mph ESE
    MON16:00
    49°F
    Mostly Sunny
    Dewpoint:-8.3°Precip:2%Humidity:28%Wind:5 mph SE
    MON17:00
    49°F
    Partly Sunny
    Dewpoint:-7.8°Precip:2%Humidity:29%Wind:3 mph SSE
    TUE18:00
    49°F
    Mostly Cloudy
    Dewpoint:-7.2°Precip:6%Humidity:30%Wind:3 mph S
    TUE19:00
    48°F
    Mostly Cloudy
    Dewpoint:-6.1°Precip:6%Humidity:34%Wind:3 mph S
    TUE20:00
    45°F
    Partly Cloudy
    Dewpoint:-5.6°Precip:6%Humidity:40%Wind:5 mph SSW
    TUE21:00
    44°F
    Partly Cloudy
    Dewpoint:-5°Precip:6%Humidity:43%Wind:5 mph SSW
    TUE22:00
    42°F
    Partly Cloudy
    Dewpoint:-4.4°Precip:6%Humidity:48%Wind:5 mph SSW
    TUE23:00
    41°F
    Partly Cloudy
    Dewpoint:-3.9°Precip:6%Humidity:53%Wind:3 mph SW
    TUE00:00
    40°F
    Partly Cloudy
    Dewpoint:-3.3°Precip:3%Humidity:57%Wind:3 mph SW
    TUE01:00
    39°F
    Partly Cloudy
    Dewpoint:-2.8°Precip:3%Humidity:62%Wind:3 mph SW
    TUE02:00
    38°F
    Partly Cloudy
    Dewpoint:-3.3°Precip:3%Humidity:62%Wind:3 mph SW
    TUE03:00
    38°F
    Partly Cloudy
    Dewpoint:-2.8°Precip:3%Humidity:64%Wind:3 mph SW
    TUE04:00
    36°F
    Partly Cloudy
    Dewpoint:-2.8°Precip:3%Humidity:69%Wind:5 mph SW
    TUE05:00
    38°F
    Partly Cloudy
    Dewpoint:-2.2°Precip:3%Humidity:67%Wind:6 mph SW
    TUE06:00
    38°F
    Mostly Sunny
    Dewpoint:-2.2°Precip:0%Humidity:67%Wind:7 mph WSW
    TUE07:00
    39°F
    Mostly Sunny
    Dewpoint:-1.7°Precip:0%Humidity:67%Wind:7 mph WSW
    TUE08:00
    43°F
    Mostly Sunny
    Dewpoint:-1.1°Precip:0%Humidity:60%Wind:7 mph W
    TUE09:00
    50°F
    Mostly Sunny
    Dewpoint:0°Precip:0%Humidity:50%Wind:8 mph W
    TUE10:00
    56°F
    Mostly Sunny
    Dewpoint:0.6°Precip:0%Humidity:42%Wind:9 mph W
    TUE11:00
    62°F
    Mostly Sunny
    Dewpoint:1.1°Precip:0%Humidity:35%Wind:12 mph WNW
    TUE12:00
    66°F
    Mostly Sunny
    Dewpoint:0.6°Precip:0%Humidity:29%Wind:13 mph WNW
    TUE13:00
    69°F
    Mostly Sunny
    Dewpoint:0.6°Precip:0%Humidity:26%Wind:14 mph WNW

    Extended Forecast

    Tonight

    Tue, Mar 17
    34°F
    Partly Cloudy
    6 mph SSW
    Precipitation: 6%
    Partly cloudy. Low around 34, with temperatures rising to around 38 overnight. South southwest wind around 6 mph.

    Tuesday

    Tue, Mar 17
    74°F
    Mostly Sunny
    7 mph W
    Precipitation: 0%
    Mostly sunny, with a high near 74. West wind 7 to 15 mph, with gusts as high as 24 mph.

    Tuesday Night

    Wed, Mar 18
    41°F
    Partly Cloudy
    6 mph W
    Precipitation: 0%
    Partly cloudy, with a low around 41. West wind 6 to 12 mph, with gusts as high as 25 mph.

    Wednesday

    Wed, Mar 18
    80°F
    Sunny
    5 mph W
    Precipitation: 0%
    Sunny, with a high near 80. West wind 5 to 10 mph, with gusts as high as 23 mph.

    Wednesday Night

    Thu, Mar 19
    44°F
    Mostly Clear
    6 mph W
    Precipitation: 0%
    Mostly clear, with a low around 44.

    Thursday

    Thu, Mar 19
    83°F
    Sunny
    5 mph SW
    Precipitation: 0%
    Sunny, with a high near 83.

    Thursday Night

    Fri, Mar 20
    46°F
    Mostly Clear
    9 mph W
    Precipitation: 0%
    Mostly clear, with a low around 46.

    Friday

    Fri, Mar 20
    85°F
    Sunny
    6 mph W
    Precipitation: 0%
    Sunny, with a high near 85.

    Friday Night

    Sat, Mar 21
    47°F
    Partly Cloudy
    7 mph W
    Precipitation: 0%
    Partly cloudy, with a low around 47.

    Saturday

    Sat, Mar 21
    85°F
    Mostly Sunny
    5 mph WSW
    Precipitation: 0%
    Mostly sunny, with a high near 85.

    Saturday Night

    Sun, Mar 22
    41°F
    Partly Cloudy
    6 mph WNW
    Precipitation: 0%
    Partly cloudy, with a low around 41.

    Sunday

    Sun, Mar 22
    70°F
    Mostly Sunny
    5 mph ENE
    Precipitation: 2%
    Mostly sunny, with a high near 70.

    Sunday Night

    Mon, Mar 23
    38°F
    Partly Cloudy
    5 mph E
    Precipitation: 5%
    Partly cloudy, with a low around 38.

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