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Observed 11:15 AM MDT at KEIK

Leyner, CO weather

Overcast and 46°8°, 9°5° colder than a typical Oct 24, rain ~6–8 PM (57%).

Today: low 38°3° (likely 38°3° to 46°8°), high 53°12° (likely 52°11° to 58°14°).

Forecasts differ

Now 46°8°

Cloudy

Wind
6 mph9 km/h
From the north-northeast. Up to 8 mph13 km/h through 12 AM
Dew point
33°1°
Dry, static shocks likely
UV index
4Moderate
Moderate until 5 PM · peak 5
Air quality
35Good
Main pollutant: PM10 (dust)
Pressure
30.37 inHg1028 hPa
Rising slowly · +0.03 inHg+0.9 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • Dry until 6 PM
  • High 53°12° today at 3 PM
  • Rain tonight 6 PM–midnight (60%, 0.12 in3 mm)
  • Above 50°10° tomorrow by noon
  • Rain tomorrow night 6 PM–6 AM (70%, 0.72 in18 mm)
  1. This afternoonUp to 53°12° by 3 PM · rain chance 30% · Mostly cloudy
  2. TonightDown to 40°4° by 5 AM · Rain 6 PM–midnight (60%)
  3. Tomorrow morningUp to 48°9° by 11 AM · Mostly cloudy
  4. Tomorrow afternoonUp to 55°13° by 3 PM · rain chance 20% · Partly cloudy
  5. Tomorrow nightDown to 43°6° by 5 AM · Rain all night (70%)
  6. Monday morningUp to 51°11° by 11 AM · Mostly cloudy · rain chance 20%
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 12pMostly sunny48°9° (likely 48°9° to 54°12°)44°7°10%8 mph13 km/h from NE, gusts 13 mph20 km/h63%56%4
Sat 1pMostly cloudy51°11° (likely 51°11° to 55°13°)51°11°10%8 mph13 km/h from NE, gusts 11 mph18 km/h54%75%5
Sat 2pCloudy52°11° (likely 52°11° to 56°13°)52°11°10%7 mph11 km/h from NE, gusts 9 mph14 km/h52%82%4
Sat 3pCloudy53°12° (likely 53°12° to 56°13°)53°12°30%7 mph11 km/h from ENE, gusts 9 mph15 km/h50%88%3
Sat 4pCloudy53°12° (likely 53°12° to 55°13°)53°12°30%7 mph11 km/h from ENE, gusts 8 mph13 km/h50%96%3
Sat 5pCloudy52°11° (likely 51°11° to 54°12°)52°11°30%6 mph10 km/h from ENE, gusts 9 mph14 km/h52%95%1
Sat 6pCloudy51°11° (likely 49°9° to 52°11°)51°11°60%, 0.02 in0.5 mm6 mph10 km/h from E, gusts 8 mph14 km/h56%96%0
Sat 7pCloudy49°9° (likely 47°8° to 51°11°)47°8°60%, 0.02 in0.5 mm5 mph8 km/h from E, gusts 8 mph13 km/h64%98%0
Sat 8pCloudy48°9° (likely 45°7° to 50°10°)46°8°60%, 0.02 in0.5 mm5 mph8 km/h from ESE, gusts 11 mph18 km/h69%97%0
Sat 9pCloudy47°8° (likely 44°7° to 49°9°)46°8°20%, 0.02 in0.5 mm3 mph5 km/h from E, gusts 9 mph14 km/h71%97%0
Sat 10pCloudy45°7° (likely 43°6° to 48°9°)44°7°20%, 0.02 in0.5 mm3 mph5 km/h from ESE, gusts 7 mph12 km/h76%96%0
Sat 11pShowers45°7° (likely 43°6° to 46°8°)45°7°20%, 0.02 in0.5 mm2 mph3 km/h from ESE, gusts 6 mph10 km/h76%65%0
Sun 12aCloudy44°7° (likely 41°5° to 45°7°)44°7°5%2 mph3 km/h from ESE, gusts 6 mph10 km/h78%89%0
Sun 1aCloudy43°6° (likely 41°5° to 44°7°)43°6°5%2 mph3 km/h from ESE, gusts 7 mph11 km/h81%89%0
Sun 2aCloudy43°6° (likely 40°4° to 43°6°)43°6°5%2 mph3 km/h from ESE, gusts 6 mph10 km/h84%80%0
Sun 3aCloudy42°6° (likely 39°4° to 42°6°)42°6°5%2 mph3 km/h from ESE, gusts 3 mph4 km/h90%87%0
Sun 4aCloudy41°5° (likely 39°4° to 42°6°)41°5°5%2 mph3 km/h from ESE, gusts 3 mph6 km/h93%82%0
Sun 5aCloudy40°4° (likely 38°3° to 43°6°)40°4°5%2 mph3 km/h from E, gusts 3 mph6 km/h95%79%0
Sun 6aMostly clear39°4° (likely 38°3° to 41°5°)39°4°0%2 mph3 km/h from ENE, gusts 5 mph8 km/h96%50%0
Sun 7aMostly cloudy38°3° (likely 37°3° to 41°5°)38°3°0%2 mph3 km/h from NE, gusts 6 mph10 km/h98%49%0
Sun 8aCloudy39°4° (likely 38°3° to 42°6°)37°3°0%3 mph5 km/h from NNE, gusts 5 mph9 km/h100%74%0
Sun 9aCloudy42°6° (likely 40°4° to 43°6°)40°4°5%3 mph5 km/h from NNE, gusts 6 mph9 km/h97%77%1
Sun 10aCloudy45°7° (likely 41°5° to 46°8°)44°7°5%3 mph5 km/h from NNE, gusts 6 mph10 km/h88%73%2
Sun 11aPartly sunny48°9° (likely 44°7° to 49°9°)47°8°5%3 mph5 km/h from NNE, gusts 6 mph10 km/h79%55%3
Sun 12pMostly cloudy50°10° (likely 47°8° to 52°11°)49°9°5%3 mph5 km/h from NNE, gusts 6 mph10 km/h72%41%4
Sun 1pPartly sunny53°12° (likely 50°10° to 55°13°)53°12°5%5 mph8 km/h from NNE, gusts 10 mph16 km/h66%33%5
Sun 2pPartly sunny54°12° (likely 52°11° to 58°14°)54°12°5%5 mph8 km/h from NNE, gusts 9 mph15 km/h63%38%5
Sun 3pShowers55°13° (likely 54°12° to 59°15°)55°13°20%6 mph10 km/h from NNE, gusts 9 mph14 km/h62%60%4
Sun 4pSunny55°13° (likely 54°12° to 59°15°)55°13°20%7 mph11 km/h from N, gusts 10 mph17 km/h61%29%3
Sun 5pShowers54°12° (likely 53°12° to 58°14°)54°12°20%7 mph11 km/h from N, gusts 12 mph20 km/h64%61%1
Sun 6pCloudy53°12° (likely 50°10° to 55°13°)53°12°70%, 0.06 in1.5 mm7 mph11 km/h from N, gusts 14 mph23 km/h65%73%0
Sun 7pCloudy51°11° (likely 49°9° to 54°12°)51°11°70%, 0.06 in1.5 mm7 mph11 km/h from N, gusts 15 mph24 km/h77%79%0
Sun 8pCloudy48°9° (likely 48°9° to 52°11°)45°7°70%, 0.06 in1.5 mm7 mph11 km/h from N, gusts 20 mph32 km/h86%92%0
Sun 9pShowers48°9° (likely 47°8° to 50°10°)45°7°70%, 0.06 in1.5 mm7 mph11 km/h from N, gusts 19 mph30 km/h89%100%0
Sun 10pDrizzle47°8° (likely 46°8° to 49°9°)45°7°70%, 0.06 in1.5 mm6 mph10 km/h from N, gusts 22 mph36 km/h92%99%0
Sun 11pCloudy46°8° (likely 46°8° to 49°9°)44°7°70%, 0.06 in1.5 mm6 mph10 km/h from N, gusts 20 mph32 km/h95%100%0
Mon 12aDrizzle47°8° (likely 45°7° to 48°9°)45°7°60%, 0.06 in1.5 mm5 mph8 km/h from N, gusts 15 mph24 km/h94%98%0
Mon 1aShowers45°7° (likely 45°7° to 48°9°)43°6°60%, 0.06 in1.5 mm3 mph5 km/h from N, gusts 9 mph14 km/h97%96%0
Mon 2aDrizzle45°7° (likely 44°7° to 48°9°)44°7°60%, 0.06 in1.5 mm3 mph5 km/h from N, gusts 12 mph19 km/h96%100%0
Mon 3aDrizzle44°7° (likely 44°7° to 47°8°)43°6°60%, 0.06 in1.5 mm3 mph5 km/h from N, gusts 10 mph17 km/h95%100%0
Mon 4aShowers44°7° (likely 44°7° to 47°8°)42°6°60%, 0.06 in1.5 mm3 mph5 km/h from N, gusts 9 mph15 km/h98%98%0
Mon 5aShowers43°6° (likely 43°6° to 48°9°)43°6°60%, 0.06 in1.5 mm2 mph3 km/h from N, gusts 8 mph12 km/h96%95%0
Mon 6aShowers42°6° (likely 42°6° to 48°9°)42°6°20%, 0.01 in0.3 mm2 mph3 km/h from N, gusts 8 mph13 km/h99%93%0
Mon 7aShowers41°5° (likely 41°5° to 49°9°)39°4°20%, 0.01 in0.3 mm3 mph5 km/h from N, gusts 9 mph15 km/h99%82%0
Mon 8aShowers42°6° (likely 42°6° to 48°9°)39°4°20%, 0.01 in0.3 mm5 mph8 km/h from NNE, gusts 7 mph12 km/h100%84%0
Mon 9aShowers44°7° (likely 43°6° to 49°9°)42°6°20%, 0.01 in0.3 mm5 mph8 km/h from NNE, gusts 6 mph10 km/h99%64%1
Mon 10aShowers47°8° (likely 46°8° to 50°10°)46°8°20%, 0.01 in0.3 mm3 mph5 km/h from NE, gusts 5 mph8 km/h92%59%2
Mon 11aShowers51°11° (likely 48°9° to 53°12°)51°11°20%, 0.01 in0.3 mm2 mph3 km/h from ESE, gusts 6 mph10 km/h77%58%2

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 53°12°, low 38°3°. Typical 62°17° / 30°−1°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
    1. Afternoon

      noon–6 PM

      Cloudy, 53°12°

      30% chance

    2. Evening

      6 PM–midnight

      Showers, 48°9°

      60% chance · 0.12 in3 mm

    3. Overnight

      midnight–6 AM

      Cloudy, 40°4°

      Dry

    Official NWS forecast

    Today: A chance of rain showers after 3pm. Mostly cloudy, with a high near 53. East northeast wind around 8 mph. Chance of precipitation is 30%.

    Tonight: Rain showers likely before midnight. Cloudy. Low around 38, with temperatures rising to around 40 overnight. East southeast wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    52°11°–58°14°
    Low, likely
    38°3°–46°8°
    Typical high / low
    62°17° / 30°−1°
    Wind
    12 mph19 km/h, gusts 20 mph31 km/h
    UV peak
    5
  2. Tomorrow, Oct 25. Mostly cloudy. High 56°13°, low 41°5°. Typical 62°17° / 30°−1°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 39°4°

      Dry

    2. Afternoon

      noon–6 PM

      Showers, 55°13°

      Dry

    3. Evening

      6 PM–midnight

      Showers, 48°9°

      70% chance · 0.36 in9.1 mm

    4. Overnight

      midnight–6 AM

      Showers, 43°6°

      60% chance · 0.36 in9.1 mm

    Official NWS forecast

    Day: A slight chance of rain showers after 3pm. Mostly cloudy. High near 56, with temperatures falling to around 54 in the afternoon. North northeast wind 2 to 7 mph. Chance of precipitation is 20%.

    Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 41. North wind 2 to 7 mph. Chance of precipitation is 70%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    53°12°–60°16°
    Low, likely
    37°3°–41°5°
    Typical high / low
    62°17° / 30°−1°
    Wind
    15 mph24 km/h, gusts 26 mph41 km/h
    UV peak
    5
  3. Monday, Oct 26. Partly sunny. High 61°16°, low 34°1°. Typical 62°17° / 30°−1°. Rain 0.14 in3.6 mm, 20% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Showers, 42°6°

      20% chance · 0.06 in1.5 mm

    2. Afternoon

      noon–6 PM

      Sunny, 60°16°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 50°10°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 38°3°

      Dry

    Official NWS forecast

    Day: A slight chance of rain showers before noon. Mostly sunny, with a high near 61. East wind around 5 mph. Chance of precipitation is 20%.

    Night: Mostly clear, with a low around 34.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    57°14°–63°17°
    Low, likely
    34°1°–46°8°
    Typical high / low
    62°17° / 30°−1°
    Wind
    11 mph17 km/h, gusts 18 mph28 km/h
    UV peak
    5
  4. Tuesday, Oct 27. Mostly sunny. High 67°19°, low 37°3°. Typical 61°16° / 29°−2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 39°4°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 54°12°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 40°4°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 67.

    Night: Mostly clear, with a low around 37.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    66°19°–69°21°
    Low, likely
    32°0°–42°6°
    Typical high / low
    61°16° / 29°−2°
    Wind
    14 mph23 km/h, gusts 28 mph45 km/h
    UV peak
    5
  5. Wednesday, Oct 28. Partly sunny. High 65°18°, low 37°3°. Typical 61°16° / 29°−2°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 42°6°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 52°11°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 41°5°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 65.

    Night: Partly cloudy, with a low around 37.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    62°17°–69°21°
    Low, likely
    34°1°–44°7°
    Typical high / low
    61°16° / 29°−2°
    Wind
    11 mph18 km/h, gusts 32 mph52 km/h
    UV peak
    5
  6. Thursday, Oct 29. Partly sunny. High 66°19°, low 39°4°. Typical 60°16° / 29°−2°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 44°6°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 65°19°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 54°12°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 44°7°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 66.

    Night: Partly cloudy, with a low around 39.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    65°18°–66°19°
    Low, likely
    37°3°–44°7°
    Typical high / low
    60°16° / 29°−2°
    Wind
    8 mph13 km/h, gusts 20 mph33 km/h
    UV peak
    4
  7. Friday, Oct 30. Mostly cloudy. High 65°18°, low 40°4°. Typical 60°16° / 28°−2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 65°19°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 54°12°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 46°8°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 65.

    Night: Mostly cloudy, with a low around 40.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    64°18°–68°20°
    Low, likely
    39°4°–50°10°
    Typical high / low
    60°16° / 28°−2°
    Wind
    7 mph10 km/h, gusts 12 mph19 km/h
    UV peak
    4
  8. Saturday, Oct 31. Cloudy. High 61°16°, low 43°6°. Typical 60°16° / 28°−2°. Rain 0.04 in1 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 63°17°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 52°11°

      20% chance · 0.02 in0.4 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 40°5°

      Dry

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    55°13°–68°20°
    Low, likely
    38°3°–53°12°
    Typical high / low
    60°16° / 28°−2°
    Wind
    15 mph24 km/h
    UV peak
    4
  9. Sunday, Nov 1. Drizzle. High 55°13°, low 39°4°. Typical 59°15° / 28°−2°. Rain 0.05 in1.3 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 56°13°

      20% chance

    3. Evening

      6 PM–midnight

      Clear, 48°9°

      30% chance

    4. Overnight

      midnight–6 AM

      Clear, 40°5°

      30% chance

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    51°11°–59°15°
    Low, likely
    37°3°–43°6°
    Typical high / low
    59°15° / 28°−2°
    Wind
    26 mph42 km/h, gusts 37 mph60 km/h
    UV peak
    4
  10. Monday, Nov 2. Cloudy. High 60°16°, low 39°4°. Typical 59°15° / 28°−2°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 46°8°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 62°17°

      20% chance

    3. Evening

      6 PM–midnight

      Clear, 49°9°

      20% chance

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    53°12°–69°21°
    Low, likely
    35°2°–45°7°
    Typical high / low
    59°15° / 28°−2°
    Wind
    12 mph19 km/h, gusts 24 mph38 km/h
    UV peak
    4

The outlook

  1. Today

    Dry, high 53°, low 38°.

  2. Tomorrow

    Dry, high 56°, low 41°, warming up.

  3. Monday

    Dry, high 61°, low 34°, warming up.

  4. Rest of week

    Mostly dry, highs 55–67°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (BOU) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Boulder Creek (CO) at North 75TH St.

3.7 mi
Below flood stage
Level
4.2 ft
Flow
under 1 cfs

Reading from Sat 11:15 AM · NWS gauge page

Saint Vrain Creek below Longmont

9.2 mi
Below flood stage
Level
10.1 ft
Flow
101 cfs

Reading from Sat 11 AM · NWS gauge page

Boulder Creek (CO) below Broadway St

9.4 mi
Below flood stage
Level
1.0 ft
Flow
16 cfs

Reading from Sat 10:15 AM · NWS gauge page

Saint Vrain Creek at Hygiene

9.5 mi
Below flood stage
Level
0.0 ft

Reading from Sat 6:30 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 74% less heating than a typical week.

This week 36Typical 139

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
27
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at. About 10 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 33°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

LONGMONT 2 ESE · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is 9°5° colder than typical.

Normal high / low
62°17° / 30°−1°
Forecast high / low
53°12° / 38°3°
Record high
84°29° in 2003
Record low
8°−13° in 1942

Last 7 days vs normal

On average 10°6° warmer than normal (daily mean temperature).

  1. +5°+3°SunOct 18
  2. +9°+5°MonOct 19
  3. +6°+3°TueOct 20
  4. +9°+5°WedOct 21
  5. +13°+7°ThuOct 22
  6. +13°+7°FriOct 23
  7. +16°+9°SatOct 24

Leyner weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:20 AM, sunset 6:07 PM.

Daylight
10 h 47 min
Losing 2 min 25 s a day; shortest Dec 21, 1 h 28 min less
Golden hour
5:30–6:24 PM
Morning 7:03–7:58 AM
Blue hour
6:24–6:35 PM
Morning 6:53–7:03 AM; first light 6:53 AM

Stars tonight? Poor

Clouds most of the night (about 85% cover).

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:38 AM · rises 5:06 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Leyner. The highest point on the skyline is about 14,000 ft, 31 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

UniColorado Heating & Cooling, a Denver HVAC installer

UniColorado Heating & Cooling installs heat pumps, furnaces and air conditioning across the Front Range. 12,000+ heat pumps installed since 2014.