St Jacques Airport (RNS) 15 Day Weather Forecast, Rennes France
Current weather conditions and 15 day weather forecast for St Jacques Airport in Rennes, France including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at RNS
| 13 September 2026 Sun 27.9 ° C ( 82.2°F )  Overcast |
Feels Like : 25.8 ° C / 78.4°F Humidity : % 29 Pressure : 1023 mb Wind Speed : 8.3 kmph / 5.1 miles from W 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for St Jacques Airport, Rennes, France
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun | Overcast |
13.7 ° C | 29.1 ° C | 19.6 ° C | % 63 | 12.2 km/h | 9% |
| 14 September 2026 Mon |  Sunny |
15.3 ° C | 30.1 ° C | 21.5 ° C | % 66 | 10.8 km/h | 7% |
| 15 September 2026 Tue | Sunny |
12.7 ° C | 26.5 ° C | 19.2 ° C | % 67 | 35.3 km/h | 9% |
| 16 September 2026 Wed |  Mist |
11.2 ° C | 20.5 ° C | 14.9 ° C | % 73 | 25.6 km/h | 22% |
| 17 September 2026 Thu | Overcast |
10.2 ° C | 19.8 ° C | 14.3 ° C | % 78 | 26.6 km/h | 50% |
| 18 September 2026 Fri | Overcast |
9.8 ° C | 23.1 ° C | 15.2 ° C | % 66 | 20.5 km/h | 11% |
| 19 September 2026 Sat | Overcast |
11.4 ° C | 26.4 ° C | 18.5 ° C | % 71 | 23.8 km/h | 14% |
| 20 September 2026 Sun |  Cloudy |
14.8 ° C | 25.6 ° C | 19.1 ° C | % 74 | 16.2 km/h | 12% |
| 21 September 2026 Mon | Sunny |
13.4 ° C | 29.4 ° C | 20.1 ° C | % 54 | 14 km/h | 2% |
| 22 September 2026 Tue | Sunny |
13.8 ° C | 27.5 ° C | 19.5 ° C | % 63 | 22.7 km/h | 4% |
| 23 September 2026 Wed | Sunny |
11.2 ° C | 22.5 ° C | 16.1 ° C | % 62 | 25.9 km/h | 5% |
| 24 September 2026 Thu | Overcast |
8 ° C | 21.3 ° C | 13.9 ° C | % 52 | 27.7 km/h | 10% |
| 25 September 2026 Fri | Sunny |
8.6 ° C | 23 ° C | 15 ° C | % 43 | 28.1 km/h | 2% |
| 26 September 2026 Sat | Sunny |
9.1 ° C | 22.3 ° C | 15 ° C | % 45 | 25.9 km/h | 1% |
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