Norman Y. Mineta San Jose International Airport

KSJC / SJC

San Jose, US

Last Updated
Mar 4, 19:28Z

Current Weather

Display Units
Fresh 16 min ago
19:28Z

🌙 Night
VFR
Flight Rules
17°C
Temperature
Dewpoint: 10°C
12 kt
330°
10 SM
Visibility
Ceiling
Unlimited
1022 hPa
QNH
Altimeter Setting

Raw METAR

SPECI KSJC 041928Z 33012KT 10SM FEW024 FEW030 SCT040 17/10 A3018 RMK AO2 T01670100

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 62 ft
FEW 2,400 ft AGL
FEW 3,000 ft AGL
SCT 4,000 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
2,400 ft
AGL (Above Ground)
2,462 ft AMSL
🌤️
FEW
Few (1/8-2/8 sky coverage)
3,000 ft
AGL (Above Ground)
3,062 ft AMSL
SCT
Scattered (3/8-4/8 sky coverage)
4,000 ft
AGL (Above Ground)
4,062 ft AMSL
QNH
1022 hPa
Sea Level Pressure
For altitude above MSL
QFE
1020 hPa
Field Pressure
Height above aerodrome (62 ft)
Pressure Alt
-201 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 54 ft
ISA Deviation: +2.1°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KSJC 041721Z 0418/0518 30008KT P6SM BKN015 OVC030 FM042000 31015G25KT P6SM SKC FM050500 31008KT P6SM SKC
Upcoming Changes (Next 12 Hours)
19:44Z BASE
+0h
MVFR 300° 8 kt
Visibility: >6SM
Ceiling: 1,500 ft
20:00Z FM042000
+1h
VFR 310° 15 kt
Visibility: >6SM
05:00Z FM050500
+10h
VFR 310° 8 kt
Visibility: >6SM

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
SJC
11
29 ✈️
12L
30R ✈️
12R
30L ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 11/29
Active: 29
4,599 ft 100 ft ASP 139°
9.2 kt 7.7 kt
40° angle
✈️ 12L/30R
Active: 30R
11,000 ft 150 ft CON 139°
10.4 kt 6.0 kt
30° angle
✈️ 12R/30L
Active: 30L
11,000 ft 150 ft CON 138°
10.4 kt 6.0 kt
30° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KSJC

4,561 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
75.5%
MVFR
15.9%
IFR
5.5%
LIFR
3.2%

Norman Y. Mineta San Jose International Airport typically experiences VFR conditions 75.5% of the time, though instrument-rated pilots will find IFR weather present approximately 8.7% of observations. Prevailing winds are from the NW averaging 6.5 knots. Calm conditions occur 30.1% of the time. Temperature extremes range from 2°C to 34°C, reflecting significant seasonal variation. The best months for VFR flying are February, January, September.

Wind Analysis

Prevailing Direction: NW (315°)
Average Speed: 6.5 kt
Maximum Recorded: 23 kt
Calm Winds: 30.1%
Direction Distribution:
N
7.5%
NE
0.8%
E
3.1%
SE
16.9%
S
13.9%
SW
4.1%
W
5.7%
NW
17.7%

Temperature Range

Average: 13.9°C
Range: 2°C to 34°C
2°C 34°C

Visibility

Average: 9 SM
Below 3 SM: 1.3%
Fog Frequency: 1.3%

Best Months for VFR

February January September

Runway Wind Analysis

Runway 11/29
Favorable wind: 100%
Avg crosswind: 3.9 kt
Runway 12L/30R
Favorable wind: 100%
Avg crosswind: 3.2 kt
Runway 12R/30L
Favorable wind: 100%
Avg crosswind: 3.2 kt

Statistics computed from 4,561 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Norman Y. Mineta San Jose International Airport - Airport Information

Airport Details

ICAO Code: KSJC
IATA Code: SJC
Type: large airport
Status: active
Elevation: 62 ft MSL

Location

City: San Jose
Country: US
Latitude: 37.362452°
Longitude: -121.929188°
Time Zone: Etc/GMT+8

Runway Information

Runway 11/29
Length: 4,599 ft
Width: 100 ft
Surface: ASP
ILS: No
Runway 12L/30R
Length: 11,000 ft
Width: 150 ft
Surface: CON
ILS: No
Runway 12R/30L
Length: 11,000 ft
Width: 150 ft
Surface: CON
ILS: No

About Norman Y. Mineta San Jose International Airport

Overview

Norman Y. Mineta San Jose International Airport serves the San Jose metropolitan area in California, positioned at 37.362452, -121.929188. As a large airport with three substantial runways, it handles significant commercial and potentially corporate aviation traffic. The airport sits at an elevation of 62 feet mean sea level, situated in the Santa Clara Valley region.

Flying Conditions

The airport's elevation of 62 ft MSL indicates a low-altitude environment with generally stable atmospheric conditions. Multiple runway configurations (11/29, 12L/30R, and 12R/30L) suggest the airport is prepared to handle varied wind conditions and provide operational flexibility. Runway lengths range from 4,599 ft on the shorter runway to 11,000 ft on the two concrete runways, accommodating diverse aircraft types.

Notable Features

San Jose's airport is strategically located in Silicon Valley, surrounded by complex urban terrain and proximity to mountainous regions. The three-runway configuration provides significant operational resilience, with two lengthy 11,000 ft concrete runways complemented by a shorter 4,599 ft asphalt runway. Pilots should anticipate potential urban thermal effects and terrain-influenced wind patterns typical of the Santa Clara Valley.

Approach Considerations

Runway selection will likely depend on prevailing wind directions, with the substantial 11,000 ft concrete runways (12L/30R and 12R/30L) providing primary approach options. The shorter 4,599 ft asphalt runway (11/29) may serve secondary or specialized operational needs. Pilots should prepare for potential urban heat island effects and localized wind variations characteristic of the San Jose metropolitan area.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

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.