Temperature
58 F at 3 PM; 58 F at its warmest, 3 PM, and 20 F at its coolest, 6 AM.
- Now
- 58F
- 3 PM
- Highest
- 58F
- 3 PM
- Lowest
- 20F
- 6 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Granby Grand County Airport, Colorado
Small airport in Grand County, Colorado58°
62°/14°
Clear·
Feels like 58°·Light breeze 5 mph W
Now. Granby Grand County Airport is 58° and clear at 4 PM. The dew point is 3°, so the air feels dry and comfortable. Light breeze from the west at 5 mph.
Today and tonight. Tonight falls to about 23° by 7 AM, under a mostly clear sky. A freeze: protect plants and pipes. No rain is expected for the rest of the day.
The week. Highs stay close to 65° all week. Rain is possible Thursday (46%). The first freeze could come tomorrow, a low of 22°.
The sky tonight. The sun sets at 6:23 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:21 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.
2UV Low
44Air quality
11%Humidity
0%Cloud
Now
4:00 PM
58feels58
now, clear
Today
Oct 16
6214
UV 6
Sat
Oct 17
6522
UV 6
Sun
Oct 18
6523
partly cloudy day
Mon
Oct 19
6427
partly cloudy day
Tue
Oct 20
6427
17%
Wed
Oct 21
6528
partly cloudy day
Thu
Oct 22
6531
46%
58°
62°14°
65°22°
65°23°
64°27°
64°27°
65°28°
65°31°
As of 4:00 PM in Granby Grand County Airport, Colorado.
Air quality
The air at Granby Grand County Airport
Index 44, good, led by ozone. Read at 3 PM from its reporting area, Denver-Boulder (CO), 48 miles off.
44Good
- Fine particles (PM2.5)29Good-
- Ozone44Good-
- Coarse particles (PM10)11Good-
The days ahead
Good each day through Sat Oct 17, led by fine particles. Yesterday measured 39, good.
GoodModerate
- 39YesterdayOct 15
- GoodTodayOct 16
- GoodSatOct 17
Smoke, the next 45 hours
No smoke near the ground through Sun 12 PM.
Precipitation
What has fallen at Granby Grand County Airport
None in the last 24 hours; 0.04 in over the last 3 days, to Fri 3 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.04in
3 days agoLast 24 hours 0%
Visibility
How far you can see at Granby Grand County Airport, the next 45 hours
Visibility stays 10 miles or more through Sun 12 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- GNB
- ICAO
- KGNB
- IATA
- -
- Field elevation
- 8,203 ft
- Serves
- Granby
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- GNB
- Wind now
- From 300° at 3 mph, read 16 Oct, 15:55
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 09 / 27 | 5,001 ft | 75 ft | Asphalt | 101° / 281° | 3 mph head, on 27 | 1 mph from the right |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Granby (GNB), Granby Grand County Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of -5 F, the air 8% saturated; the humidity ran from 8% at 3 PM to 93% at 8 AM.
- Dew point now
- -5F
- 3 PM
- Humidity now
- 8%
- Humidity, range
- 8 to 93%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
5 mph from the west northwest at 3 PM; at its strongest 13 mph, 5 PM Thursday, and no gust reported.
- Now
- 5mph
- from the west northwest
- Strongest
- 13mph
- 5 PM Thursday
- Highest gust
- -
- none reported
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.68 inHg at 3 PM, falling 0.07 inHg over 3 hours; 0.05 inHg higher than a day before.
- Now
- 30.68inHg
- 3 PM
- 3 hours
- -0.07inHg
- falling
- 24 hours
- +0.05inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 0.8 miles at 8 AM, under a mile for 1 hour; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 0.8mi
- 8 AM
- Hours under a mile
- 1
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 300 ft at 7 AM; a base was reported in 4 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 300ft
- 7 AM
- Hours with a base reported
- 4
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
Granby: 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 Granby Grand County Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.
measured now4 instruments
GranbyGNB
At an airfield/0.3 mi away/8,208 ft/5 ft above here
temp, wind, gust, visibility, precip, pressure
Harbison MeadowHRBC2
At a river or reservoir gauge/8.1 mi away/8,412 ft/209 ft above here
temp, wind, gust, humidity, pressure
040E22415RWS1RHS at Fraser Flats CO US CDOTCO139
Beside a road/8.5 mi away/8,379 ft/176 ft above here
temp, pavement temp, wind, visibility, precip
Boulder 14 W94075
At a climate reference station/20.4 mi away/9,828 ft/1,625 ft above here
temp, humidity, wind, solar, precip
measured daily2 instruments
Granby 0.4 SECO-GR-58
In a volunteer observer's own ground/0.8 mi away/8,018 ft/185 ft below here
precip, snowfall, snow depth
Grand Lake 6SSWGDLC2
At a cooperative observer's station/7.1 mi away/8,287 ft/84 ft above here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
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 Granby Grand County Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Granbytown, 1 mi
- Granby Ranchski area, 4 mi
- Tabernashcommunity, 8 mi
- Hot Sulphur Springstown, 10 mi
- Frasertown, 11 mi
- Grand Laketown, 12 mi
- Winter Parktown, 14 mi
- Parshallcommunity, 14 mi
- Winter Parksurveyed ski area, 16 mi
- Eldoraski area, 20 mi
- Eldoracommunity, 21 mi
- Berthoud Passfeature, 21 mi
Airports near Granby Grand County Airport
- McElroy Airfield20V, 24 mi
- Boulder Municipal AirportBDU, 37 mi
- Vance Brand AirportLMO, 40 mi
- Rocky Mountain Metropolitan AirportBJC, 44 mi
- Erie Municipal AirportEIK, 46 mi
- Walden Jackson County Airport33V, 49 mi
- Northern Colorado Regional AirportFNL, 54 mi
- Steamboat Springs Bob Adams FieldSBS, 58 mi