Norman Y. Mineta San Jose International Airport

KSJC / SJC

San Jose, US

Last Updated
Jun 10, 07:53Z

Current Weather

Display Units
Fresh 7 min ago
07:53Z

☀️ Day
VFR
Flight Rules
16°C
Temperature
Dewpoint: 12°C
4 kt
350°
10 SM
Visibility
Ceiling
Unlimited
1015 hPa
QNH
Altimeter Setting

Raw METAR

METAR KSJC 100753Z AUTO 35004KT 10SM CLR 16/12 A2996 RMK AO2 SLP144 T01610122 402390161

Weather Briefing

VFR

Norman Y. Mineta San Jose International Airport is currently reporting visual flight rules (VFR) conditions with clear skies and 10 SM visibility.

Wind Analysis

Winds are from the north (350°) at 4 knots.

Visibility & Ceiling

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

Temperature & Moisture

Temperature is 16°C (61°F) with a dewpoint of 12°C. The narrow temperature-dewpoint spread suggests high humidity and potential for visibility restrictions, especially during cooling periods.

Forecast Outlook

The TAF forecast covers the next 24 hours. Conditions are expected to remain VFR throughout the forecast period.

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
1015 hPa
Sea Level Pressure
For altitude above MSL
QFE
1013 hPa
Field Pressure
Height above aerodrome (62 ft)
Pressure Alt
10 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 145 ft
ISA Deviation: +1.1°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KSJC 100520Z 1006/1106 34005KT P6SM SKC FM101100 VRB02KT P6SM SKC FM101500 31005KT P6SM SKC FM102100 32011G17KT P6SM SKC FM110400 33005KT P6SM SKC
Upcoming Changes (Next 12 Hours)
08:00Z BASE
+0h
VFR 340° 5 kt
Visibility: >6SM
11:00Z FM101100
+3h
VFR VRB 2 kt
Visibility: >6SM
15:00Z FM101500
+7h
VFR 310° 5 kt
Visibility: >6SM

24-Hour Weather Evolution

Loading weather data...
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
Chart Features
  • • Hover for exact values and timestamps
  • • Click legend items to toggle data series
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  • • Units automatically converted to preferences
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°
2.0 kt 3.5 kt
60° angle
✈️ 12L/30R
Active: 30R
11,000 ft 150 ft CON 139°
2.6 kt 3.1 kt
50° angle
✈️ 12R/30L
Active: 30L
11,000 ft 150 ft CON 138°
2.6 kt 3.1 kt
50° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KSJC

6,999 observations | Sep 2025 - Jun 2026

Flight Rules Distribution

VFR
79.5%
MVFR
14.6%
IFR
3.8%
LIFR
2.1%

Norman Y. Mineta San Jose International Airport typically experiences VFR conditions 79.5% of the time, though instrument-rated pilots will find IFR weather present approximately 5.9% of observations. Prevailing winds are from the NW averaging 6.9 knots. Calm conditions occur 26.2% of the time. Temperature extremes range from 2°C to 34°C, reflecting significant seasonal variation. The best months for VFR flying are March, June, April.

Wind Analysis

Prevailing Direction: NW (315°)
Average Speed: 6.9 kt
Maximum Recorded: 23 kt
Calm Winds: 26.2%
Direction Distribution:
E
2.7%
N
12.1%
S
11.9%
W
5%
NE
1%
NW
23.5%
SE
14.1%
SW
3.5%

Temperature Range

Average: 14.8°C
Range: 2°C to 34°C
2°C 34°C

Visibility

Average: 9.3 SM
Below 3 SM: 0.8%
Fog Frequency: 0.8%

Best Months for VFR

March June April

Runway Wind Analysis

Runway 11/29
Favorable wind: 100%
Avg crosswind: 4.2 kt
Runway 12L/30R
Favorable wind: 100%
Avg crosswind: 3.4 kt
Runway 12R/30L
Favorable wind: 100%
Avg crosswind: 3.4 kt

Statistics computed from 6,999 METAR observations (Sep 2025 - Jun 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.