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: 2:08 pm MDT Jul 12, 2025




Tonight: Mostly clear, with a low around 15. East wind 5 to 8 km/h becoming calm after midnight.

Sunday: Sunny, with a high near 34. Light and variable wind becoming east 6 to 11 km/h in the morning. Winds could gust as high as 26 km/h.

Sunday Night: Partly cloudy, with a low around 17. East wind 6 to 11 km/h becoming light and variable after midnight. Winds could gust as high as 26 km/h.

Monday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 34. Light and variable wind becoming west 8 to 13 km/h in the morning. Winds could gust as high as 27 km/h.

Monday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 15. Southwest wind 5 to 13 km/h, with gusts as high as 27 km/h. Chance of precipitation is 20%.

Tuesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 33.

Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 14.

Wednesday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 31.

Wednesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 14.

Thursday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 28.

Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 14.

Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 33.

Friday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 15.

Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 33.



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

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