London Stansted Airport

EGSS / STN

London, GB

Current TAF Forecast

Raw TAF:
TAF EGSS 150456Z 1506/1612 32006KT 9999 FEW030 PROB40 TEMPO 1510/1518 6000 SHRA PROB30 TEMPO 1518/1602 8000 -SHRA BECMG 1609/1612 26010KT

Detailed TAF Table

Parameter
Fri
07:00Z
+-1h
Fri
08:00Z
+0h
Fri
09:00Z
+1h
Fri
10:00Z
+2h
Fri
11:00Z
+3h
Fri
12:00Z
+4h
Fri
13:00Z
+5h
Fri
14:00Z
+6h
Fri
15:00Z
+7h
Fri
16:00Z
+8h
Fri
17:00Z
+9h
Fri
18:00Z
+10h
Fri
19:00Z
+11h
Fri
20:00Z
+12h
Fri
21:00Z
+13h
Fri
22:00Z
+14h
Fri
23:00Z
+15h
Sat
00:00Z
+16h
Sat
01:00Z
+17h
Sat
02:00Z
+18h
Sat
03:00Z
+19h
Sat
04:00Z
+20h
Sat
05:00Z
+21h
Sat
06:00Z
+22h
Sat
07:00Z
+23h
Sat
08:00Z
+24h
Sat
09:00Z
+25h
Sat
10:00Z
+26h
Wind Dir
320°
NW
320°
NW
320°
NW
260°
W
260°
W
260°
W
260°
W
260°
W
260°
W
260°
W
260°
W
260°
W
260°
W
260°
W
260°
W
260°
W
260°
W
260°
W
260°
W
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
260°
W
260°
W
Wind Speed
6 kt
6 kt
6 kt
10 kt
10 kt
10 kt
10 kt
10 kt
10 kt
10 kt
10 kt
10 kt
10 kt
10 kt
10 kt
10 kt
10 kt
10 kt
10 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
10 kt
10 kt
Visibility
10+ km
10+ km
10+ km
6 km
6 km
6 km
6 km
6 km
6 km
6 km
6 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
Weather
☀️ Clear
☀️ Clear
☀️ Clear
Showers Rain
SHRA
40%
Showers Rain
SHRA
40%
Showers Rain
SHRA
40%
Showers Rain
SHRA
40%
Showers Rain
SHRA
40%
Showers Rain
SHRA
40%
Showers Rain
SHRA
40%
Showers Rain
SHRA
40%
Light Showers Rain
-SHRA
30%
Light Showers Rain
-SHRA
30%
Light Showers Rain
-SHRA
30%
Light Showers Rain
-SHRA
30%
Light Showers Rain
-SHRA
30%
Light Showers Rain
-SHRA
30%
Light Showers Rain
-SHRA
30%
Light Showers Rain
-SHRA
30%
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Clouds
FEW030
FEW030
FEW030
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
FEW030
FEW030
FEW030
FEW030
FEW030
FEW030
FEW030
☀️ CLR
☀️ CLR
Ceiling
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
Flight Rules VFR VFR VFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
Day/Night
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 19:14Z
☀️
Day
🌇 19:14Z
☀️
Day
🌇 19:14Z
🌙
Night
🌇 19:14Z
🌙
Night
🌇 19:14Z
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 04:44Z
🌙
Night
🌅 04:44Z
🌙
Night
🌅 04:44Z
☀️
Day
🌅 04:44Z
☀️
Day
🌅 04:44Z
☀️
Day
☀️
Day
☀️
Day
☀️
Day
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 occurrence • AGL: Above Ground Level

Forecast Periods

BASE
VFR
Wind
320° at 6 kt
Visibility
10+ km
Clouds
FEW030
📖 Plain English Explanation:

This is the base forecast condition. Winds from the Northwest (320°) at 6 kt. Visibility will be excellent at 10+ km. Few clouds at 3000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

PROB40 TEMPO 10:00Z - 18:00Z
MVFR
Visibility
6 km
Weather
Showers Rain
📖 Plain English Explanation:

There is a 40% probability of: Visibility will be good at 6 km. Weather conditions: Showers Rain. Marginal VFR conditions - some restrictions for visual flying.

PROB30 TEMPO 18:00Z - 02:00Z
MVFR
Visibility
8 km
Weather
Light Showers Rain
📖 Plain English Explanation:

There is a 30% probability of: Visibility will be good at 8 km. Weather conditions: Light Showers Rain. Marginal VFR conditions - some restrictions for visual flying.

BECMG 09:00Z - 12:00Z
VFR
Wind
260° at 10 kt
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the West (260°) at 10 kt. Conditions will be suitable for Visual Flight Rules (VFR) operations.

📚 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.