Rennes-Saint-Jacques Airport

LFRN / RNS

Saint-Jacques-de-la-Lande, Ille-et-Vilaine, FR

Last Updated
Apr 22, 21:30Z

Current Weather

Display Units
Fresh 26 min ago
21:30Z

🌙 Night
VFR
Flight Rules
13°C
Temperature
Dewpoint: 3°C
7 kt
80°
--
Visibility
Ceiling
Unlimited
1020 hPa
QNH
Altimeter Setting

Raw METAR

METAR LFRN 222130Z AUTO 08007KT CAVOK 13/03 Q1020 NOSIG

Weather Briefing

VFR

Rennes-Saint-Jacques Airport is currently reporting visual flight rules (VFR) conditions with clear skies.

Wind Analysis

Winds are from the east (80°) at 7 knots. Runway 10/28 is favored with a 7-knot headwind and 2-knot crosswind component.

Visibility & Ceiling

Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 13°C (55°F) with a dewpoint of 3°C, indicating moderate moisture conditions.

Forecast Outlook

The TAF forecast covers the next 24 hours. Conditions are expected to remain VFR throughout the forecast period. Temporary VFR conditions are forecast between 10:00Z and 16:00Z.

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
1020 hPa
Sea Level Pressure
For altitude above MSL
QFE
1016 hPa
Field Pressure
Height above aerodrome (124 ft)
Pressure Alt
-79 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -289 ft
ISA Deviation: -1.8°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF LFRN 221700Z 2218/2318 09012KT CAVOK TEMPO 2310/2316 09015G25KT
Upcoming Changes (Next 12 Hours)
21:55Z BASE
+0h
VFR 90° 12 kt
Visibility: >10km

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
  • • Zoom and pan for detailed analysis
  • • 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
FRN
10 ✈️
28
14 ✈️
32

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 10/28
Active: 10
6,890 ft 148 ft ASP 101°
6.6 kt 2.4 kt
20° angle
✈️ 14/32
Active: 14
2,788 ft 98 ft ASP 142°
3.5 kt 6.1 kt
60° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - LFRN

10,413 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
36.7%
MVFR
22.2%
IFR
26.5%
LIFR
14.6%

Rennes-Saint-Jacques Airport is frequently affected by reduced visibility conditions, with VFR weather only 36.7% of the time and IFR/LIFR conditions occurring in 41.1% of observations. Prevailing winds are from the S averaging 7.9 knots. Temperature extremes range from -6°C to 29°C, reflecting significant seasonal variation. Fog is a notable factor, occurring in approximately 14.1% of observations, with visibility below 3 SM in 0% of reports. The best months for VFR flying are April, September, October.

Wind Analysis

Prevailing Direction: S (180°)
Average Speed: 7.9 kt
Maximum Recorded: 26 kt
Calm Winds: 1.9%
Direction Distribution:
N
9.2%
NE
5.6%
E
8.7%
SE
12.8%
S
23.7%
SW
19.4%
W
12.5%
NW
6.2%

Temperature Range

Average: 10.3°C
Range: -6°C to 29°C
-6°C 29°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 14.1%

Best Months for VFR

April September October

Runway Wind Analysis

Runway 10/28
Favorable wind: 100%
Avg crosswind: 5.5 kt
Runway 14/32
Favorable wind: 100%
Avg crosswind: 5 kt

Statistics computed from 10,413 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Rennes-Saint-Jacques Airport - Airport Information

Airport Details

ICAO Code: LFRN
IATA Code: RNS
Type: medium airport
Status: active
Elevation: 124 ft MSL

Location

City: Saint-Jacques-de-la-Lande, Ille-et-Vilaine
Country: FR
Latitude: 48.069500°
Longitude: -1.734790°
Time Zone: Europe/Brussels

Runway Information

Runway 10/28
Length: 6,890 ft
Width: 148 ft
Surface: ASP
ILS: No
Runway 14/32
Length: 2,788 ft
Width: 98 ft
Surface: ASP
ILS: No

About Rennes-Saint-Jacques Airport

Overview

Rennes-Saint-Jacques Airport serves the Brittany region in northwestern France, located near the city of Rennes in Ille-et-Vilaine. As a medium-sized airport with an elevation of 124 feet MSL, it provides critical aviation infrastructure for regional and commercial operations. The airport features two asphalted runways capable of supporting diverse aircraft types.

Flying Conditions

Weather conditions at Rennes-Saint-Jacques demonstrate significant variability, with visual flight rules (VFR) conditions present 36.7% of the time and instrument conditions (IFR/LIFR) occurring 41.4% of observations. Temperature ranges from -6°C to 29°C, with an average of 10.3°C, indicating potential seasonal temperature challenges. Prevailing winds from the south (180°) average 7.8 knots, with occasional gusts up to 26 knots.

Notable Features

The airport's two runways offer flexibility for different wind conditions, with both 10/28 and 14/32 experiencing 100% favorable wind alignments. Crosswind components remain relatively moderate, averaging 5-5.6 knots across runways. The airport's location in Brittany suggests potential maritime weather influences and complex local terrain interactions.

Approach Considerations

Pilots should anticipate mixed meteorological conditions, with fog occurring in 13.4% of observations and average visibility around 10 statute miles. September through November represent the most consistently favorable VFR months. The longer runway 10/28 at 6,890 feet provides substantial landing and takeoff options for most aircraft types.

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.