Boulder Municipal Airport

KBDU / WBU

Boulder, US

Last Updated
Apr 5, 12:55Z

Current Weather

Display Units
Recent 31 min ago
12:55Z

☀️ Day
VFR
Flight Rules
1°C
Temperature
Dewpoint: -6°C
0 kt
10 SM
Visibility
Ceiling
Unlimited
1029 hPa
QNH
Altimeter Setting

Raw METAR

METAR KBDU 051255Z AUTO 00000KT 10SM CLR 01/M06 A3040 RMK AO2

Weather Briefing

VFR

Boulder Municipal Airport is currently reporting visual flight rules (VFR) conditions with clear skies and 10 SM visibility.

Wind Analysis

Winds are calm, presenting no crosswind concerns for any runway.

Visibility & Ceiling

Visibility is 10 SM. Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 1°C (34°F) with a dewpoint of -6°C, indicating moderate moisture conditions.

Pilot Recommendations

Conditions are favorable for visual flight.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

QNH
1029 hPa
Sea Level Pressure
For altitude above MSL
QFE
853 hPa
Field Pressure
Height above aerodrome (5,288 ft)
Pressure Alt
4,816 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 4,405 ft
ISA Deviation: -3.4°C

24-Hour Weather Evolution

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Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
BDU
08
26
08G
26G

Runway Information

Runway Length Width Surface Heading Wind Component
08/26 4,100 ft 75 ft ASPH-G
0.0 kt 0.0 kt
0° angle
08G/26G 4,100 ft 20 ft ASPH-TURF-F
0.0 kt 0.0 kt
0° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KBDU

13,577 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
95.3%
MVFR
3.2%
IFR
0.7%
LIFR
0.7%

Boulder Municipal Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 95.3% of the time. Prevailing winds are from the W averaging 6.9 knots, with gusts recorded up to 46 knots. Calm conditions occur 30.1% of the time. Temperature extremes range from -19°C to 33°C, reflecting significant seasonal variation. The best months for VFR flying are September, February, October.

Wind Analysis

Prevailing Direction: W (270°)
Average Speed: 6.9 kt
Maximum Recorded: 46 kt
Calm Winds: 30.1%
Direction Distribution:
N
8.4%
NE
6.4%
E
6.7%
SE
6.1%
S
6.6%
SW
11.8%
W
17.1%
NW
6.8%

Temperature Range

Average: 9.5°C
Range: -19°C to 33°C
-19°C 33°C

Visibility

Average: 9.9 SM
Below 3 SM: 0.4%
Fog Frequency: 0.1%

Best Months for VFR

September February October

Runway Wind Analysis

Runway 08/26
Favorable wind: 100%
Avg crosswind: 3.4 kt
Runway 08G/26G
Favorable wind: 100%
Avg crosswind: 3.4 kt

Statistics computed from 13,577 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Boulder Municipal Airport - Airport Information

Airport Details

ICAO Code: KBDU
IATA Code: WBU
Type: small airport
Status: active
Elevation: 5,288 ft MSL

Location

City: Boulder
Country: US
Latitude: 40.039101°
Longitude: -105.226025°
Time Zone: Etc/GMT+7

Runway Information

Runway 08/26
Length: 4,100 ft
Width: 75 ft
Surface: ASPH-G
ILS: No
Runway 08G/26G
Length: 4,100 ft
Width: 20 ft
Surface: ASPH-TURF-F
ILS: No

About Boulder Municipal Airport

Boulder Municipal Airport (KBDU/WBU) is located in Boulder, US at an elevation of 5,288 feet MSL, making density altitude a consideration for performance planning. The airport has 2 runways (08/26, 08G/26G), with the longest at 4,100 feet.

Weather Profile

Based on 13,577 weather observations, KBDU experiences excellent VFR conditions 95.3% of the time, making it one of the more weather-reliable airports in its region.

Wind Patterns & Runway Selection

Prevailing winds at KBDU come from the W (270°) with an average speed of 6.9 knots and recorded gusts up to 46 knots. Calm wind conditions are common (30.1% of observations), allowing flexible runway selection. Runway 08/26 offers the lowest average crosswind component at 3.4 knots, making it the preferred choice in typical wind conditions.

Seasonal Considerations

The best months for VFR operations are September, February, October, when clear skies are most prevalent. Temperatures at the field range from -19°C (-2°F) to 33°C (91°F), averaging 9.5°C (49°F). Cold weather operations require attention to aircraft preheating, de-icing, and cold-soaked fuel management. Altimeter settings typically range from 29.34 to 30.61 inHg (994-1037 hPa).

Data Sources: Airport data from OurAirports.com. Weather statistics derived from 13,577 official METAR observations (Sep 2025 - Apr 2026). Pilots should always verify current conditions through official channels before flight.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.