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La Forteresse weather




Here is the La Forteresse weather forecast. You will find below :
- La Forteresse weather forecast for the next hours
- 7, 8 and 10 days weather forecast for La Forteresse
- the lastest La Forteresse weather conditions

Please note that the station providing the latest weather data is not necessarily in the center of La Forteresse. Differences in prediction may appear according to the location of the weather station, especially in mountains where data usualy come from plains. For better accuracy at high altitude, you should check the snow weather forecast.

You will find below some links for the 8 days weather forecast near La Forteresse :
 - weather forecast for towns close to La Forteresse :
   - Plan weather (38590) : town located at 2.21 km
   - Quincieu weather (38470) : town located at 2.60 km
   - Saint-Paul-d'Izeaux weather (38140) : town located at 3.14 km
   - Saint-Michel-de-Saint-Geoirs weather (38590) : town located at 3.86 km
   - Morette weather (38210) : town located at 3.88 km
   - Vatilieu weather (38470) : town located at 4.44 km
   - Serre-Nerpol weather (38470) : town located at 4.65 km
   - Izeaux weather (38140) : town located at 4.66 km

 - weather forecast for department prefecture of Isère : Weather of Grenoble
 - weather forecast for other cities of Isère : Isère
 - global weather on the map of France : weather france map

Must see: the road map of La Forteresse, the photos of La Forteresse, the map of La Forteresse.
I like La Forteresse !
   


7, 8 and 10 days weather forecast for La Forteresse

Week Forecast:


The latest weather data for La Forteresse were collected Monday, 15 September 2025 at 15:04 from the nearest observation station of Saint-Étienne-de-Saint-Geoirs.

Monday, September 15th

26°C     14°C

30%
 30%


Drizzle

Temperature Max: 26°C    Temperature Min: 14°C
Precipitation Probability: 30% (Rain)
Percentage of sky occluded by clouds: 30%
Wind speed: 7 km/h North-East
Humidity: 71%°        UV Index: 6
Sunrise: 07:17     Sunset: 19:49

Tuesday, September 16th

19°C     11°C

18%
 71%


Mostly cloudy

Temperature Max: 19°C    Temperature Min: 11°C
Precipitation Probability: 18% (Rain)
Percentage of sky occluded by clouds: 71%
Wind speed: 11 km/h South
Humidity: 69%°        UV Index: 4
Sunrise: 07:18     Sunset: 19:47

Wednesday, September 17th

24°C     8°C

0%
 50%


Partly cloudy

Temperature Max: 24°C    Temperature Min: 8°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 50%
Wind speed: 6 km/h South
Humidity: 64%°        UV Index: 5
Sunrise: 07:19     Sunset: 19:45

Thursday, September 18th

26°C     9°C

0%
 18%


Mostly clear

Temperature Max: 26°C    Temperature Min: 9°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 18%
Wind speed: 5 km/h Sout-East
Humidity: 63%°        UV Index: 6
Sunrise: 07:20     Sunset: 19:43

Friday, September 19th

26°C     10°C

0%
 0%


Clear

Temperature Max: 26°C    Temperature Min: 10°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 0%
Wind speed: 8 km/h North
Humidity: 65%°        UV Index: 6
Sunrise: 07:22     Sunset: 19:41

Saturday, September 20th

27°C     13°C

0%
 17%


Mostly clear

Temperature Max: 27°C    Temperature Min: 13°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 17%
Wind speed: 13 km/h North-East
Humidity: 65%°        UV Index: 6
Sunrise: 07:23     Sunset: 19:39

Sunday, September 21st

26°C     14°C

0%
 24%


Mostly clear

Temperature Max: 26°C    Temperature Min: 14°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 24%
Wind speed: 11 km/h North-East
Humidity: 67%°        UV Index: 5
Sunrise: 07:24     Sunset: 19:38

Monday, September 22nd

23°C     15°C

55%
 78%


Thunderstorms

Temperature Max: 23°C    Temperature Min: 15°C
Precipitation Probability: 55% (Rain)
Percentage of sky occluded by clouds: 78%
Wind speed: 8 km/h North-East
Humidity: 73%°        UV Index: 4
Sunrise: 07:25     Sunset: 19:36

Tuesday, September 23rd

22°C     14°C

46%
 59%


Thunderstorms

Temperature Max: 22°C    Temperature Min: 14°C
Precipitation Probability: 46% (Rain)
Percentage of sky occluded by clouds: 59%
Wind speed: 7 km/h South
Humidity: 70%°        UV Index: 4
Sunrise: 07:27     Sunset: 19:34

Wednesday, September 24th

22°C     12°C

46%
 52%


Partly cloudy

Temperature Max: 22°C    Temperature Min: 12°C
Precipitation Probability: 46% (Rain)
Percentage of sky occluded by clouds: 52%
Wind speed: 5 km/h South
Humidity: 69%°        UV Index: 4
Sunrise: 07:28     Sunset: 19:32









Latest La Forteresse weather conditions


The latest weather data for La Forteresse were collected Monday, 15 September 2025 at 15:04 from the nearest observation station of Saint-Étienne-de-Saint-Geoirs.

Latest weather conditions collected Mon, 15 September at 15:04

26°C

1019.58 hPa
0 mm/h
 43%


Partly cloudy

Temperature: 26°C
Pressure: 1019.58 mbars
Precipitation Intensity: 0 mm/h
Percentage of sky occluded by clouds: 43%
Wind speed: 8 km/h North-East
Wind Gust Speed: 23.01 km/h
Visibility: 27414.48 km    Humidity: 58%
Dew Point: 17°        UV Index: 5









La Forteresse next hours weather forecast


This is the next hours weather forecast for La Forteresse.

Mon, 15 Sep - 7pm
      23°C

La Forteresse weather:
Partly cloudy
13% Rain     49%
Wind Speed: 7 kmh
Wind Gust: 15 kmh

Mon, 15 Sep - 8pm
      21°C

La Forteresse weather:
Partly cloudy
17% Rain     50%
Wind Speed: 6 kmh
Wind Gust: 17 kmh

Mon, 15 Sep - 9pm
      20°C

La Forteresse weather:
Partly cloudy
13% Rain     46%
Wind Speed: 6 kmh
Wind Gust: 14 kmh

Mon, 15 Sep - 10pm
      19°C

La Forteresse weather:
Partly cloudy
12% Rain     46%
Wind Speed: 5 kmh
Wind Gust: 13 kmh

Mon, 15 Sep - 11pm
      18°C

La Forteresse weather:
Partly cloudy
13% Rain     43%
Wind Speed: 5 kmh
Wind Gust: 13 kmh

Tue, 16 Sep - 12am
      17°C

La Forteresse weather:
Partly cloudy
0%      42%
Wind Speed: 3 kmh
Wind Gust: 12 kmh

Tue, 16 Sep - 1am
      16°C

La Forteresse weather:
Partly cloudy
0%      58%
Wind Speed: 5 kmh
Wind Gust: 12 kmh

Tue, 16 Sep - 2am
      15°C

La Forteresse weather:
Partly cloudy
10% Rain     43%
Wind Speed: 8 kmh
Wind Gust: 14 kmh

Tue, 16 Sep - 3am
      15°C

La Forteresse weather:
Partly cloudy
11% Rain     52%
Wind Speed: 8 kmh
Wind Gust: 15 kmh

Tue, 16 Sep - 4am
      14°C

La Forteresse weather:
Mostly cloudy
8% Rain     76%
Wind Speed: 9 kmh
Wind Gust: 20 kmh

Tue, 16 Sep - 5am
      14°C

La Forteresse weather:
Mostly cloudy
6% Rain     85%
Wind Speed: 9 kmh
Wind Gust: 19 kmh

Tue, 16 Sep - 6am
      13°C

La Forteresse weather:
Mostly cloudy
4% Rain     69%
Wind Speed: 8 kmh
Wind Gust: 19 kmh

Tue, 16 Sep - 7am
      12°C

La Forteresse weather:
Mostly cloudy
0%      72%
Wind Speed: 8 kmh
Wind Gust: 15 kmh

Tue, 16 Sep - 8am
      12°C

La Forteresse weather:
Partly cloudy
0%      52%
Wind Speed: 7 kmh
Wind Gust: 15 kmh

Tue, 16 Sep - 9am
      13°C

La Forteresse weather:
Partly cloudy
0%      51%
Wind Speed: 7 kmh
Wind Gust: 18 kmh

Tue, 16 Sep - 10am
      15°C

La Forteresse weather:
Partly cloudy
0%      52%
Wind Speed: 11 kmh
Wind Gust: 24 kmh

Tue, 16 Sep - 11am
      16°C

La Forteresse weather:
Partly cloudy
0%      58%
Wind Speed: 12 kmh
Wind Gust: 26 kmh

Tue, 16 Sep - 12pm
      17°C

La Forteresse weather:
Mostly cloudy
0%      73%
Wind Speed: 12 kmh
Wind Gust: 26 kmh

Tue, 16 Sep - 1pm
      18°C

La Forteresse weather:
Mostly cloudy
0%      84%
Wind Speed: 12 kmh
Wind Gust: 27 kmh

Tue, 16 Sep - 2pm
      19°C

La Forteresse weather:
Mostly cloudy
0%      82%
Wind Speed: 13 kmh
Wind Gust: 28 kmh

Tue, 16 Sep - 3pm
      19°C

La Forteresse weather:
Mostly cloudy
0%      80%
Wind Speed: 13 kmh
Wind Gust: 27 kmh

Tue, 16 Sep - 4pm
      19°C

La Forteresse weather:
Mostly cloudy
0%      82%
Wind Speed: 13 kmh
Wind Gust: 28 kmh

Tue, 16 Sep - 5pm
      19°C

La Forteresse weather:
Mostly cloudy
0%      82%
Wind Speed: 13 kmh
Wind Gust: 26 kmh

Tue, 16 Sep - 6pm
      18°C

La Forteresse weather:
Mostly cloudy
0%      81%
Wind Speed: 12 kmh
Wind Gust: 26 kmh

Attribution:             







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