Norman Y. Mineta San Jose International Airport

KSJC / SJC

San Jose, US

Current TAF Forecast

Raw TAF:
KSJC 141722Z 1418/1518 VRB04KT P6SM FEW019 FM141930 33014KT P6SM SKC FM150500 VRB04KT P6SM FEW020 TEMPO 1509/1513 BKN020

Detailed TAF Table

Parameter
Sun
18:00Z
+-1h
Sun
19:00Z
+0h
Sun
20:00Z
+1h
Sun
21:00Z
+2h
Sun
22:00Z
+3h
Sun
23:00Z
+4h
Mon
00:00Z
+5h
Mon
01:00Z
+6h
Mon
02:00Z
+7h
Mon
03:00Z
+8h
Mon
04:00Z
+9h
Mon
05:00Z
+10h
Mon
06:00Z
+11h
Mon
07:00Z
+12h
Mon
08:00Z
+13h
Mon
09:00Z
+14h
Mon
10:00Z
+15h
Mon
11:00Z
+16h
Mon
12:00Z
+17h
Mon
13:00Z
+18h
Mon
14:00Z
+19h
Mon
15:00Z
+20h
Mon
16:00Z
+21h
Wind Dir
VRB
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
VRB
VRB
VRB
VRB
VRB
VRB
VRB
VRB
VRB
VRB
VRB
VRB
VRB
VRB
VRB
VRB
Wind Speed
4kt
14kt
14kt
14kt
14kt
14kt
14kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
Visibility
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
Weather
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Clouds
FEW019
CLR
CLR
CLR
CLR
CLR
CLR
FEW019
FEW019
FEW019
FEW019
FEW020
FEW020
FEW020
FEW020
BKN020
BKN020
BKN020
BKN020
FEW019
FEW019
FEW019
FEW019
Ceiling
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
2000ft
AGL
2000ft
AGL
2000ft
AGL
2000ft
AGL
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
Flight Rules VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR MVFR MVFR MVFR MVFR VFR VFR VFR VFR
Day/Night
☀️
Day
🌇 18:09
🌙
Night
🌇 18:09
🌙
Night
🌇 18:09
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 05:51
🌙
Night
🌅 05:51
🌙
Night
🌅 05:51
☀️
Day
🌅 05:51
☀️
Day
🌅 05:51
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 18:08
Flight Rules
VFR: Visual Flight Rules
MVFR: Marginal VFR
IFR: Instrument Flight Rules
LIFR: Low IFR
Ceiling Colors
Red: < 500ft
Amber: 500-1000ft
Blue: 1000-3000ft
Green: > 3000ft
⛈️ TCU: Towering Cumulus
🌩️ CB: Cumulonimbus
+Nh: Hours from now%: Probability of occurrenceAGL: Above Ground Level

Forecast Periods

BASE
VFR
Wind
VRB° at 4 kt
Visibility
>6SM
Clouds
FEW019
📖 Plain English Explanation:

This is the base forecast condition. Winds will be variable in direction at 4kt. Visibility will be excellent at more than 6SM. Few clouds at 1900 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM141930 2025-09-14 19:00:00 - 2025-09-15 01:00:00
VFR
Wind
330° at 14 kt
Visibility
>6SM
Clouds
CLR
📖 Plain English Explanation:

Winds from the North-Northwest (330°) at 14kt. Visibility will be excellent at more than 6SM. Skies will be clear. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM150500 2025-09-15 05:00:00 - 2025-09-15 11:00:00
VFR
Wind
VRB° at 4 kt
Visibility
>6SM
Clouds
FEW020
📖 Plain English Explanation:

Winds will be variable in direction at 4kt. Visibility will be excellent at more than 6SM. Few clouds at 2000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

TEMPO 2025-09-15 09:00:00 - 2025-09-15 13:00:00
MVFR
Clouds
BKN020
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Broken clouds at 2000 feet. Marginal VFR conditions - some restrictions for visual flying.

📚 Understanding TAF Forecasts

Terminal Aerodrome Forecast (TAF) provides detailed weather forecasts specifically for aviation operations. Our system translates complex meteorological codes into plain English to help pilots of all experience levels understand forecasted conditions.

What TAF Includes:

  • • Wind direction, speed, and gusts
  • • Visibility in statute miles or kilometers
  • • Weather phenomena (rain, snow, fog, thunderstorms)
  • • Cloud coverage types and altitudes
  • • Forecast changes with timing
  • • Flight rules categories (VFR/IFR)

Change Indicators Explained:

  • BASE - Main forecast conditions
  • FM - Permanent change from specific time
  • BECMG - Gradual change over 2-4 hours
  • TEMPO - Temporary changes (less than 1 hour)
  • PROB30/40 - 30% or 40% probability

🛩️ Flight Rules Categories

VFR

Visual Flight Rules

  • • Ceiling ≥ 3000 ft
  • • Visibility ≥ 5 miles
  • • Good for visual flying

MVFR

Marginal VFR

  • • Ceiling 1000-3000 ft
  • • Visibility 3-5 miles
  • • Caution for VFR

IFR

Instrument Flight Rules

  • • Ceiling 500-1000 ft
  • • Visibility 1-3 miles
  • • Instruments required

LIFR

Low IFR

  • • Ceiling < 500 ft
  • • Visibility < 1 mile
  • • Challenging conditions

💡 TAF Reading Tips

For Student Pilots:

  • • Focus on the plain English explanations above
  • • Pay attention to flight rules categories
  • • Look for wind direction relative to runway headings
  • • Check for temporary conditions (TEMPO)

For Experienced Pilots:

  • • Cross-reference with raw TAF for precise timing
  • • Consider probability forecasts for alternate planning
  • • Monitor BECMG periods for gradual changes
  • • Always check current METAR vs TAF forecast

Important: TAF forecasts should always be supplemented with current METAR observations, PIREPs, and other weather information for complete situational awareness. Weather can change rapidly, and forecasts have inherent limitations.