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Longmont, CO 80504 Weather
Current conditions
Forecast for this hour (no station report in the last two hours)
Forecast
10-day-
Thursday
A chance of rain showers after noon. Mostly cloudy. High near 76, with temperatures falling to around 74 in the afternoon. North wind around 5 mph. Chance of precipitation is 30%.
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Thursday Night
A slight chance of rain showers before midnight. Mostly cloudy, with a low around 52. South southwest wind around 5 mph. Chance of precipitation is 20%.
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Friday
Mostly sunny, with a high near 82. Southwest wind 3 to 9 mph.
National Weather Service forecast updated 21 hrs ago.
Hourly
Hourly forecast- Now60°
- 11 AM64°
- 12 PM68°17%
- 1 PM71°17%
- 2 PM73°17%
- 3 PM74°26%
- 4 PM75°26%
- 5 PM74°26%
- 6 PM71°18%
- 7 PM69°18%
- 8 PM64°18%
- 9 PM63°21%
- 10 PM61°21%
- 11 PM59°21%
- Fri12 AM58°
- 1 AM57°
- 2 AM56°
- 3 AM56°
- 4 AM55°
- 5 AM54°
- 6 AM54°
- 7 AM52°
- 8 AM54°
- 9 AM57°
10-day forecast
Details- WedOct 21Partly Sunny49°77°
- TodayOct 22Mostly Cloudy then Chance Rain Showers26%52°76°
- FriOct 23Mostly Sunny46°82°
- SatOct 24Partly Sunny then Slight Chance Rain Showers72%41°59°
- SunOct 25Slight Chance Rain Showers then Mostly Cloudy34%38°56°
- MonOct 26Slight Chance Rain Showers then Partly Sunny15%35°58°
- TueOct 27Mostly Sunny36°63°
- WedOct 28Partly cloudy39°67°
- ThuOct 29Cloudy40°55°
- FriOct 30Partly cloudy37°63°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Longmont
More weather news-
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Warm and dry conditions on Sunday for metro Denver and much of ColoradoDenver7 It will be another stunner of a day from Frisco and Fort Collins to Boulder and Denver Skies will be more mixed at times today, featuring a slight increase in clouds as a weak wave moves from California into…
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Denver still waiting on first snow as average date (October 19th) nears — Simon Roebuck (WeatherTotals.com) #snowpackFrom email from Simon Roebuck: Denver has not recorded any snowfall for the 2026-27 season as of October 17, 2026. The average first measurable snow date, October 19, comes from National Weather Service Boulder records…
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FIRST ALERT WEATHER: Mild Monday followed by a gradual warming trendA weak upper-level wave moving out of Denver will influence our weather through Tuesday, but the Ozarks can expect mainly dry conditions and mild temperatures for the next several days. After a cool start this morning…
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Weather Of The World: October 18A view of the Garonne River at a historically low level due to a lack of rainfall, successive summer heat waves and the prefecture's low-water management policy in Toulouse, in southwestern France, on Oct. 14, 2026…
Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- ThuModerate
- FriGood
Denver-Boulder, CO reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyLongmont 2 Ese, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Denver 44 km
- Aurora 46 km
- Fort Collins 52 km
- Lakewood 49 km
- Thornton 29 km
- Westminster 34 km
- Arvada 38 km
- Greeley 38 km
- Boulder 30 km
- Loveland 32 km
- Broomfield 26 km
- Commerce City 36 km
Forecasters' discussion
From the National Weather Service office in BOU, issued 11 hrs ago
Key Messages
- Warm and dry conditions continue across the lower elevations for the next few days, with scattered light rain and snow showers across the higher elevations.
- An uncertain precipitation forecast, but cooler, wetter weather likely returns this weekend.
- At least a brief warm-up likely sometime next week.
Bou Watches
None.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.