Temperature
38 F at 2 AM; 57 F at its warmest, 1 PM Thursday, and 38 F at its coolest, 2 AM.
- Now
- 38F
- 2 AM
- Highest
- 57F
- 1 PM Thursday
- Lowest
- 38F
- 2 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Rocky Mountain Metropolitan Airport, Colorado
Medium airport in Jefferson County, Colorado* WHAT...Sub-freezing temperatures falling to 26 to 32 degrees, coldest over the plains. * WHERE...Front Range Urban Corridor and all of the eastern plains. * WHEN...From midnight tonight to 9 AM MDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
39°
66°/32°
Overcast·
Feels like 35°·Light breeze 5 mph N
Alert. A Freeze Warning is in force for Rocky Mountain Metropolitan Airport until 9 AM today. Read the alert in full, and see what it means in the Field Book. Tomorrow is 12 degrees warmer: a high of 78° after 66° today.
Now. Rocky Mountain Metropolitan Airport is 39° and overcast at 2 AM. With the wind it feels like 35°. The dew point is 27°, so the air feels dry and comfortable. Light breeze from the north at 5 mph.
Today and tonight. It warms to about 66° by 3 PM. Tonight falls to about 41° by 2 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is tomorrow, near 78°, and the coolest Monday, near 73°. The days ahead look dry.
The sky tonight. The sun sets at 6:20 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:18 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 9 minutes long, 2 minutes shorter than yesterday.
0UV Low
39Air quality
66%Humidity
96%Cloud
Now
2:00 AM
39feels35
now, overcast
Today
Oct 16
6632
clear day
Sat
Oct 17
7840
clear day
Sun
Oct 18
7647
partly cloudy day
Mon
Oct 19
7347
partly cloudy day
Tue
Oct 20
7548
mostly clear day
Wed
Oct 21
7751
partly cloudy day
Thu
Oct 22
7753
12%
39°
66°32°
78°40°
76°47°
73°47°
75°48°
77°51°
77°53°
As of 2:00 AM in Rocky Mountain Metropolitan Airport, Colorado.
Air quality
The air at Rocky Mountain Metropolitan Airport
Index 39, good, led by fine particles. Read at 2 AM from its reporting area, Denver-Boulder (CO), 4 miles off.
39Good
- Fine particles (PM2.5)39Good10.5 mi
- Ozone29Good32 ppb10.3 mi
- Coarse particles (PM10)10Good10.5 mi
- Nitrogen dioxide2Good2.6 ppb10.3 mi
- Sulfur dioxide0Good0.4 ppb13 mi
- Carbon monoxide-0.1 ppm10.9 mi
The days ahead
Good each day through Today, led by fine particles. Yesterday measured 36, good.
GoodModerate
- 36YesterdayOct 15
- GoodTodayOct 16
Smoke, the next 41 hours
No smoke near the ground through Sat 6 PM.
Precipitation
What has fallen at Rocky Mountain Metropolitan Airport
0.02 in in the last 24 hours, 0.71 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.02in
- Last 3 days
- 0.71in
3 days agoLast 24 hours 3%
Visibility
How far you can see at Rocky Mountain Metropolitan Airport, the next 41 hours
Visibility stays 10 miles or more through Sat 6 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- BJC
- ICAO
- KBJC
- IATA
- BJC
- Field elevation
- 5,673 ft
- Serves
- Denver
- Kind
- Medium airport
- Scheduled service
- Yes
- Its own instrument
- BJC
- Wind now
- From 40° at 7 mph, read 16 Oct, 02:15
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 03 / 21 | 3,600 ft | 75 ft | Asphalt | 34° / 214° | 7 mph head, on 03 | 1 mph from the right |
| 12L / 30R | 9,000 ft | 100 ft | Asphalt | 125° / 305° | 1 mph head, on 12L | 7 mph from the left |
| 12R / 30L | 7,002 ft | 75 ft | Asphalt | 124° / 304° | 1 mph head, on 12R | 7 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Broomfield/Jeffco (BJC), Rocky Mountain Metropolitan Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 27 F, the air 63% saturated; the humidity ran from 36% at 1 PM Thursday to 95% at 5 AM Thursday.
- Dew point now
- 27F
- 2 AM
- Humidity now
- 63%
- Humidity, range
- 36 to 95%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
6 mph from the east at 2 AM; at its strongest 28 mph, 11 AM Thursday, with a gust of 37 mph at 11 AM Thursday.
- Now
- 6mph
- from the east
- Strongest
- 28mph
- 11 AM Thursday
- Highest gust
- 37mph
- 11 AM Thursday
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.77 inHg at 2 AM, rising 0.13 inHg over 3 hours; 0.59 inHg higher than a day before.
- Now
- 30.77inHg
- 2 AM
- 3 hours
- +0.13inHg
- rising
- 24 hours
- +0.59inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 7 miles at 5 AM Thursday; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 7mi
- 5 AM Thursday
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 400 ft at 4 AM Thursday; a base was reported in 14 of the hours.
- Lowest base now
- 3,500ft
- Lowest in 24 hours
- 400ft
- 4 AM Thursday
- Hours with a base reported
- 14
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
None measured in the gauge in the last 24 hours.
- Last 24 hours
- 0.00in
- Wettest hour
- -
- Hours with some
- 0
How it is measured: ASOS, Field Book FB-INS-002
Broomfield/Jeffco: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 6 instruments nearest Rocky Mountain Metropolitan Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now4 instruments
At an airfield/0.0 mi away/5,656 ft/17 ft below here
temp, wind, gust, visibility, precip, pressure
0.1 mi s of 84th AveCO168
Beside a road/2.2 mi away/5,262 ft/411 ft below here
temp, pavement temp, wind, visibility, precip
South Boulder Creek 1 W Eldorado SpringsBELC2
At a river or reservoir gauge/9.6 mi away/6,191 ft/518 ft above here
temp, wind, gust, humidity, pressure
Boulder 14 W94075
At a climate reference station/23.9 mi away/9,828 ft/4,155 ft above here
temp, humidity, wind, solar, precip
measured daily2 instruments
Broomfield 3.1 SWCO-BR-58
In a volunteer observer's own ground/1.2 mi away/5,484 ft/189 ft below here
precip, snowfall, snow depth
Westminster 5NeWSMC2
At a cooperative observer's station/5.5 mi away/5,340 ft/333 ft below here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Westminster 5Ne (WSMC2), 5.5 miles from here, read 15 Oct, 07:00. measured daily
Elsewhere in Colorado
41 places, each with its own forecast and its own instruments.
AlamosacityArapahoe Basinsurveyed ski areaAspen Highlandssurveyed ski areaAspen Mountainsurveyed ski areaBeaver Creeksurveyed ski areaBerthoud PassfeatureBouldercityBreckenridgesurveyed ski areaButtermilksurveyed ski areaColorado SpringscityCopper Mountainsurveyed ski areaCrested Buttesurveyed ski areaDenvercityDurangocityEldoraski areaFort CollinscityGranby Ranchski areaGrand JunctioncityGunnisoncityHowelsen Hillski areaIndependence PassfeatureKeystonesurveyed ski areaLeadvillecityLoveland PassfeatureLoveland Ski Areaski areaMount ElbertfeaturePowderhornski areaPueblocityPurgatoryski areaSilvertontownSilverton Mountainski areaSki Cooperski areaSnowmasssurveyed ski areaSteamboatsurveyed ski areaSteamboat SpringscitySunlight Mountainski areaTelluridesurveyed ski areaVailsurveyed ski areaWinter Parksurveyed ski areaWolf Creekski areaWolf Creek Passfeature
Near Rocky Mountain Metropolitan Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Superiortown, 3 mi
- Broomfieldcity, 4 mi
- Westminstercity, 4 mi
- Louisvillecity, 5 mi
- Shaw Heightscommunity, 5 mi
- Lafayettecity, 6 mi
- Arvadacity, 6 mi
- Federal Heightscity, 6 mi
- Paragon Estatescommunity, 6 mi
- Northglenncity, 7 mi
- Eldorado Springscommunity, 7 mi
- Sherrelwoodcommunity, 8 mi
Airports near Rocky Mountain Metropolitan Airport
- Erie Municipal AirportEIK, 8 mi
- Boulder Municipal AirportBDU, 11 mi
- Vance Brand AirportLMO, 18 mi
- Denver International AirportDEN, 24 mi
- Buckley Space Force BaseBKF, 24 mi
- Centennial AirportAPA, 27 mi
- Colorado Air and Space PortCFO, 32 mi
- Northern Colorado Regional AirportFNL, 38 mi