| NWS Forecast for: Longmont CO Issued by: National Weather Service Denver-Boulder, CO Last Update: 12:47 pm MDT Apr 10, 2026 | |
This Afternoon: A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 66. East northeast wind around 8 mph becoming south southeast. Chance of precipitation is 40%. Tonight: A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 43. South southeast wind 5 to 8 mph becoming calm in the evening. Saturday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 50%. Saturday Night: A 40 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. West northwest wind 5 to 10 mph becoming north northeast in the evening. Winds could gust as high as 22 mph. Sunday: Sunny, with a high near 75. Light west southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Sunday Night: Partly cloudy, with a low around 43. Monday: Mostly sunny, with a high near 73. Monday Night: A chance of showers, mainly after midnight. Mostly cloudy, with a low around 40. Breezy. Tuesday: A chance of showers. Partly sunny, with a high near 63. Breezy. Tuesday Night: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 39. Breezy. Wednesday: Sunny, with a high near 70. Wednesday Night: Partly cloudy, with a low around 40. Thursday: Mostly sunny, with a high near 76. Breezy. | |
| Longmont CO 40.16°N 105.09°W (Elev. 4980 ft) | |
Visit your local NWS office at: https://www.weather.gov/bou |