Longmont, CO Weather

Boulder County7:39 PM MDT40.17°N, 105.10°WElevation 4,984 ft

Current conditions

Partly Cloudy
71°
Partly Cloudy
Feels like 68°
High 57° Saturday·Low 45° tonight
WindWSW 6 mph
Humidity22%
Dew point30°
Pressure29.87 inHg
Visibility10.0 mi
Cloud cover24%
UV index0 Low
Sunrise7:20 AM
Sunset6:11 PM

Observed at Erie Municipal Airport · 44 min ago

Forecast

10-day
  • Friday Night

    Mostly clear, with a low around 45. West wind 1 to 7 mph.

  • Saturday

    Partly sunny, with a high near 57. East northeast wind 2 to 8 mph, with gusts as high as 17 mph.

  • Saturday Night

    A slight chance of rain showers. Mostly cloudy, with a low around 39. Chance of precipitation is 20%.

National Weather Service forecast updated 1 day ago.

  1. Now Mostly Clear 67°
  2. 8 PM Mostly Clear 63°
  3. 9 PM Mostly Clear 61°
  4. 10 PM Mostly Clear 58°
  5. 11 PM Partly Cloudy 57°
  6. Sat12 AM Mostly Clear 55°
  7. 1 AM Mostly Clear 54°
  8. 2 AM Mostly Clear 50°
  9. 3 AM Mostly Clear 49°
  10. 4 AM Mostly Clear 47°
  11. 5 AM Partly Cloudy 46°
  12. 6 AM Partly Sunny 46°
  13. 7 AM Partly Sunny 45°
  14. 8 AM Partly Sunny 47°
  15. 9 AM Partly Sunny 49°
  16. 10 AM Mostly Cloudy 51°
  17. 11 AM Partly Sunny 52°
  18. 12 PM Partly Sunny 54°
  19. 1 PM Partly Sunny 55°
  20. 2 PM Partly Sunny 56°
  21. 3 PM Mostly Cloudy 56°
  22. 4 PM Mostly Cloudy 56°
  23. 5 PM Mostly Cloudy 55°
  24. 6 PM Slight Chance Rain Showers 54°22%

10-day forecast

Details
  1. ThuOct 22 Slight Chance Rain Showers Slight Chance Rain Showers26%52°72°
  2. TodayOct 23 Mostly Sunny Mostly Sunny45°78°
  3. SatOct 24 Partly Sunny Partly Sunny22%39°57°
  4. SunOct 25 Slight Chance Rain Showers Slight Chance Rain Showers45%39°55°
  5. MonOct 26 Chance Rain Showers Chance Rain Showers38%37°56°
  6. TueOct 27 Mostly Sunny Mostly Sunny37°61°
  7. WedOct 28 Mostly Sunny Mostly Sunny37°63°
  8. ThuOct 29 Partly cloudy Partly cloudy34°50°
  9. FriOct 30 Partly cloudy Partly cloudy31°55°
  10. SatOct 31 Partly cloudy Partly cloudy37°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
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Weather news near Longmont

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Air quality

98
Moderate
Coarse particles (PM10)

Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Forecast

  • FriModerate
  • SatGood
  • SunGood

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 7:20 AM
Sunset 6:11 PM
Daylight 10 h 50 min (−2 min 28 s tomorrow)
Waxing Gibbous · 94% lit
Moonrise 4:39 PM Moonset 4:33 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low63° / 30°
Record high86° (2003)
Record low16° (1929)
Wettest1.00 in (1914)
Yesterday76° / 44°
Month to date0.77 in (normal 0.74 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 7 hrs ago

Key Messages

- Warm, dry, and breezy on Friday.

- Cooler weather returns this weekend with chances for rain. An overall drying trend emerging for most of the Denver metro and I-25 corridor.

- A cool start to next week, but a warming and drying trend likely by mid-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 4Search index and reflects what the press published. Terms of use.