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Leyner, CO Weather

It is 43°F and fog/mist in Leyner, CO, observed at 3:55 AM MDT. Today: Areas Of Fog then Partly Sunny, high 61°F, low 40°F. Hourly and 10-day forecast from the National Weather Service. Times are local (MDT).

Leyner, CO current weather

43°F

Fog/Mist

H 61° / L 40°Feels like 43°

Observed at Erie Municipal Airport (4 mi away), 10/31/2026, 3:55 AM MDT

1 active alert

From the National Weather Service for this forecast zone or county

State alerts

Moderate1Possible threat to life or property

Hourly forecast

NWS, updated 10/30/2026, 11:46 PM PT

  1. Now42°
  2. 5 AM41°
  3. 6 AM41°
  4. 7 AM41°
  5. 8 AM40°
  6. 9 AM44°
  7. 10 AM49°
  8. 11 AM52°
  9. 12 PM55°
  10. 1 PM57°
  11. 2 PM60°
  12. 3 PM61°
  13. 4 PM61°
  14. 5 PM60°
  15. 6 PM56°
  16. 7 PM51°
  17. 8 PM49°
  18. 9 PM47°
  19. 10 PM46°
  20. 11 PM46°
  21. 12 AM45°Sun
  22. 1 AM44°
  23. 1 AM43°
  24. 2 AM42°
  25. 3 AM42°
  26. 4 AM42°
  27. 5 AM41°
  28. 6 AM41°
  29. 7 AM41°
  30. 8 AM44°
  31. 9 AM48°
  32. 10 AM50°
  33. 11 AM51°
  34. 12 PM55°
  35. 1 PM57°
  36. 2 PM58°
  37. 3 PM58°
  38. 4 PM57°
  39. 5 PM55°
  40. 6 PM52°
  41. 7 PM50°
  42. 8 PM49°
  43. 9 PM48°
  44. 10 PM48°
  45. 11 PM48°13%
  46. 12 AM47°13%Mon
  47. 1 AM47°13%
  48. 2 AM46°13%

10-day forecast

Tap a day for details

  • Today10/31Low 40°High 61°

    Saturday: Areas of fog before 10am. Partly sunny, with a high near 61. North northeast wind 1 to 6 mph.

    Overnight: Areas of fog. Mostly cloudy, with a low around 40. North northwest wind around 1 mph.

    Areas Of Fog then Partly Sunny
  • Sun11/117% chance of precipitationLow 45°High 58°

    Sunday: Mostly cloudy, with a high near 58. North northeast wind 0 to 5 mph.

    Sunday Night: A slight chance of rain showers after 5am. Mostly cloudy, with a low around 45. West northwest wind around 5 mph. Chance of precipitation is 20%.

    Mostly Cloudy
  • Mon11/234% chance of precipitationLow 39°High 58°

    Monday: A chance of rain showers. Partly sunny, with a high near 58. Chance of precipitation is 30%.

    Monday Night: A chance of rain showers before 11pm. Mostly cloudy, with a low around 39.

    Chance Rain Showers
  • Tue11/3Low 36°High 60°

    Tuesday: Sunny, with a high near 60.

    Tuesday Night: Mostly clear, with a low around 36.

    Sunny
  • Wed11/422% chance of precipitationLow 36°High 58°

    Wednesday: A slight chance of rain showers after 5pm. Mostly sunny, with a high near 58.

    Wednesday Night: A slight chance of rain showers before 5am. Partly cloudy, with a low around 36.

    Mostly Sunny then Slight Chance Rain Showers
  • Thu11/5Low 37°High 57°

    Thursday: Sunny, with a high near 57.

    Thursday Night: Partly cloudy, with a low around 37.

    Sunny
  • Fri11/618% chance of precipitationLow High 57°

    Friday: A slight chance of rain showers after 5pm. Mostly sunny, with a high near 57.

    Mostly Sunny then Slight Chance Rain Showers
  • Sat11/7Model blend38% chance of precipitationLow 33°High 55°

    Saturday: Chance of rain. High near 55°. Low that night near 33°. About 0.14 in of precipitation, with about 0.5 in of snow.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blend10% chance of precipitationLow 36°High 59°

    Sunday: Partly cloudy. High near 59°. Low that night near 36°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Mon11/9Model blendLow 38°High 64°

    Monday: Partly cloudy. High near 64°. Low that night near 38°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 40.051, -105.107 from the NWS BOU office, updated 10/30/2026, 11:46 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KEIK (Erie Muni, 4 mi), model run 10/31/2026, 2:00 AM MDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now42°Areas Of Fog0%1 mph
  2. 5 AM41°Areas Of Fog0%1 mph
  3. 6 AM41°Areas Of Fog5%1 mph
  4. 7 AM41°Areas Of Fog5%1 mph
  5. 8 AM40°Areas Of Fog5%2 mph
  6. 9 AM44°Areas Of Fog3%2 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Leyner, CO right now?
The latest observation from Erie Municipal Airport was 43°F and fog/mist, reported at 10/31/2026, 3:55 AM MDT.
What is the high temperature today in Leyner, CO?
The National Weather Service forecast for saturday calls for a high near 61°F. Areas Of Fog then Partly Sunny.
Will it rain in Leyner, CO in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Leyner, CO?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 7 to Nov 9) come from the NOAA National Blend of Models, with highs of 55°F to 64°F and up to a 38% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Leyner, CO today?
Sunrise is about 7:28 AM MDT and sunset is about 5:59 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Leyner, CO?
At Longmont 2 Ese, the 1991 to 2020 normal high in October is 66°F and the normal low is 33°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.02 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

Colorado hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Denver-Boulder)
ModeratePM2.5
AQI forecast tomorrow (Denver-Boulder)
ModeratePM2.5

UV index guide · Air quality

Drought

By county

Boulder County, week of 10/27/2026

100% of the county is in moderate drought or worse, 100% in extreme drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:28 AM
Sunset
5:59 PM
Daylight
10 hr 30 min
Moon
Waning Gibbous 72% lit
First light (civil dawn)
7 AM
Last light (civil dusk)
6:27 PM
Moonrise
11 PM
Moonset
1:33 PM

Normal October weather

Climate

Normal October high 66°, low 33°, precipitation 1.04 in for the month. 1991 to 2020 normals at Longmont 2 Ese, 8 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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