Longmont, CO 80502 Weather

Boulder County6:45 PM MDT40.17°N, 105.10°W

Current conditions

Mostly Cloudy
72°
Mostly Cloudy
Feels like 72°
High 75° Thursday·Low 50° tonight
WindNNE 3 mph
Humidity31%
Dew point40°
Visibility10 mi
Cloud cover80%
UV index0 Low
Sunrise7:18 AM
Sunset6:13 PM

Forecast for this hour (no station report in the last two hours)

Forecast

10-day

  • Tonight

    Mostly cloudy, with a low around 50. Northwest wind around 3 mph.

  • Thursday

    A chance of rain showers after noon. Mostly cloudy. High near 75, with temperatures falling to around 73 in the afternoon. North wind around 3 mph. Chance of precipitation is 30%.

  • Thursday Night

    A slight chance of rain showers before midnight. Mostly cloudy, with a low around 52. West wind around 3 mph. Chance of precipitation is 20%.

National Weather Service forecast updated 5 hrs ago.

Hourly

Hourly forecast
  1. Now Mostly Cloudy 72°
  2. 7 PM Mostly Cloudy 70°
  3. 8 PM Mostly Cloudy 65°
  4. 9 PM Mostly Cloudy 62°10%
  5. 10 PM Mostly Cloudy 60°10%
  6. 11 PM Mostly Cloudy 58°10%
  7. Thu12 AM Mostly Cloudy 56°
  8. 1 AM Mostly Cloudy 56°
  9. 2 AM Mostly Cloudy 54°
  10. 3 AM Mostly Cloudy 53°
  11. 4 AM Mostly Cloudy 52°
  12. 5 AM Mostly Cloudy 51°
  13. 6 AM Mostly Cloudy 51°
  14. 7 AM Mostly Cloudy 50°
  15. 8 AM Mostly Cloudy 51°
  16. 9 AM Mostly Cloudy 56°12%
  17. 10 AM Mostly Cloudy 62°12%
  18. 11 AM Mostly Cloudy 65°12%
  19. 12 PM Slight Chance Rain Showers 68°20%
  20. 1 PM Slight Chance Rain Showers 72°20%
  21. 2 PM Slight Chance Rain Showers 73°20%
  22. 3 PM Chance Rain Showers 73°27%
  23. 4 PM Chance Rain Showers 74°27%
  24. 5 PM Chance Rain Showers 73°27%

10-day forecast

Details
  1. TodayOct 21 Partly Sunny Partly Sunny10%50°76°
  2. ThuOct 22 Mostly Cloudy then Chance Rain Showers Mostly Cloudy then Chance Rain Showers27%52°75°
  3. FriOct 23 Mostly Sunny Mostly Sunny46°80°
  4. SatOct 24 Partly Sunny then Chance Rain Showers Partly Sunny then Chance Rain Showers72%41°58°
  5. SunOct 25 Chance Rain Showers Chance Rain Showers37%39°56°
  6. MonOct 26 Slight Chance Rain Showers then Partly Sunny Slight Chance Rain Showers then Partly Sunny18%36°58°
  7. TueOct 27 Mostly Sunny Mostly Sunny36°63°
  8. WedOct 28 Mostly sunny Mostly sunny0.02 in36°62°
  9. ThuOct 29 Mostly sunny Mostly sunny33°53°
  10. FriOct 30 Mostly sunny Mostly sunny30°59°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
Open the National Weather Service radar (the map here needs JavaScript).

Weather news near Longmont

More weather news

Air quality

50
Good
Ozone

Air quality is satisfactory, and air pollution poses little or no risk.

Forecast

  • WedModerate
  • ThuModerate

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

Sunrise 7:18 AM
Sunset 6:13 PM
Daylight 10 h 55 min (−2 min 29 s tomorrow)
Waxing Gibbous · 81% lit
Moonrise 3:54 PM Moonset 2:23 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low64° / 31°
Record high85° (1921)
Record low16° (1990)
Wettest0.36 in (1945)
Yesterday66° / 40°
Month to date0.77 in (normal 0.68 in)

Longmont 2 Ese, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in BOU, issued 5 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.

- Cooler, more unsettled weather returns this weekend across the forecast area.

- At least a brief warm-up likely sometime early 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.