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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 Thursday, 18 June 2026 at 19:03 from the nearest observation station of Saint-Étienne-de-Saint-Geoirs.

Thursday, June 18th

32°C     15°C

39%
 1%


Clear

Temperature Max: 32°C    Temperature Min: 15°C
Precipitation Probability: 39% (Rain)
Percentage of sky occluded by clouds: 1%
Wind speed: 7 km/h North
Humidity: 52%°        UV Index: 9
Sunrise: 05:50     Sunset: 21:29

Friday, June 19th

31°C     16°C

37%
 11%


Clear

Temperature Max: 31°C    Temperature Min: 16°C
Precipitation Probability: 37%
Percentage of sky occluded by clouds: 11%
Wind speed: 12 km/h North-East
Humidity: 47%°        UV Index: 9
Sunrise: 05:50     Sunset: 21:30

Saturday, June 20th

33°C     16°C

0%
 6%


Clear

Temperature Max: 33°C    Temperature Min: 16°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 6%
Wind speed: 10 km/h North
Humidity: 43%°        UV Index: 9
Sunrise: 05:50     Sunset: 21:30

Sunday, June 21st

35°C     18°C

42%
 41%


Partly cloudy

Temperature Max: 35°C    Temperature Min: 18°C
Precipitation Probability: 42%
Percentage of sky occluded by clouds: 41%
Wind speed: 6 km/h North-East
Humidity: 41%°        UV Index: 7
Sunrise: 05:50     Sunset: 21:30

Monday, June 22nd

36°C     19°C

42%
 12%


Clear

Temperature Max: 36°C    Temperature Min: 19°C
Precipitation Probability: 42%
Percentage of sky occluded by clouds: 12%
Wind speed: 6 km/h South
Humidity: 42%°        UV Index: 9
Sunrise: 05:50     Sunset: 21:30

Tuesday, June 23rd

37°C     20°C

0%
 15%


Mostly clear

Temperature Max: 37°C    Temperature Min: 20°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 15%
Wind speed: 7 km/h South
Humidity: 42%°        UV Index: 8
Sunrise: 05:51     Sunset: 21:30

Wednesday, June 24th

35°C     21°C

18%
 21%


Mostly clear

Temperature Max: 35°C    Temperature Min: 21°C
Precipitation Probability: 18% (Rain)
Percentage of sky occluded by clouds: 21%
Wind speed: 8 km/h South
Humidity: 46%°        UV Index: 8
Sunrise: 05:51     Sunset: 21:30

Thursday, June 25th

32°C     21°C

52%
 45%


Partly cloudy

Temperature Max: 32°C    Temperature Min: 21°C
Precipitation Probability: 52% (Rain)
Percentage of sky occluded by clouds: 45%
Wind speed: 10 km/h South
Humidity: 59%°        UV Index: 8
Sunrise: 05:51     Sunset: 21:31

Friday, June 26th

31°C     19°C

0%
 60%


Partly cloudy

Temperature Max: 31°C    Temperature Min: 19°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 60%
Wind speed: 7 km/h South-East
Humidity: 66%°        UV Index: 6
Sunrise: 05:52     Sunset: 21:31

Saturday, June 27th

31°C     21°C

0%
 58%


Partly cloudy

Temperature Max: 31°C    Temperature Min: 21°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 58%
Wind speed: 6 km/h North-East
Humidity: 63%°        UV Index: 6
Sunrise: 05:52     Sunset: 21:31









Latest La Forteresse weather conditions


The latest weather data for La Forteresse were collected Thursday, 18 June 2026 at 19:03 from the nearest observation station of Saint-Étienne-de-Saint-Geoirs.

Latest weather conditions collected Thu, 18 June at 19:03

30°C

1017.07 hPa
0 mm/h
 7%


Clear

Temperature: 30°C
Pressure: 1017.07 mbars
Precipitation Intensity: 0 mm/h
Percentage of sky occluded by clouds: 7%
Wind speed: 12 km/h North
Wind Gust Speed: 21.89 km/h
Visibility: 27161.85 km    Humidity: 44%
Dew Point: 17°        UV Index: 1









La Forteresse next hours weather forecast


This is the next hours weather forecast for La Forteresse.

Fri, 19 Jun - 6am
      16°C

La Forteresse weather:
Clear
0%      1%
Wind Speed: 5 kmh
Wind Gust: 8 kmh

Fri, 19 Jun - 7am
      17°C

La Forteresse weather:
Clear
0%      4%
Wind Speed: 6 kmh
Wind Gust: 8 kmh

Fri, 19 Jun - 8am
      20°C

La Forteresse weather:
Clear
0%      0%
Wind Speed: 5 kmh
Wind Gust: 9 kmh

Fri, 19 Jun - 9am
      23°C

La Forteresse weather:
Clear
0%      0%
Wind Speed: 3 kmh
Wind Gust: 8 kmh

Fri, 19 Jun - 10am
      25°C

La Forteresse weather:
Mostly clear
0%      25%
Wind Speed: 4 kmh
Wind Gust: 10 kmh

Fri, 19 Jun - 11am
      26°C

La Forteresse weather:
Clear
0%      8%
Wind Speed: 7 kmh
Wind Gust: 16 kmh

Fri, 19 Jun - 12pm
      28°C

La Forteresse weather:
Clear
0%      4%
Wind Speed: 8 kmh
Wind Gust: 19 kmh

Fri, 19 Jun - 1pm
      29°C

La Forteresse weather:
Clear
0%      0%
Wind Speed: 11 kmh
Wind Gust: 21 kmh

Fri, 19 Jun - 2pm
      30°C

La Forteresse weather:
Clear
0%      0%
Wind Speed: 15 kmh
Wind Gust: 28 kmh

Fri, 19 Jun - 3pm
      30°C

La Forteresse weather:
Partly cloudy
0%      44%
Wind Speed: 19 kmh
Wind Gust: 33 kmh

Fri, 19 Jun - 4pm
      31°C

La Forteresse weather:
Clear
0%      0%
Wind Speed: 20 kmh
Wind Gust: 36 kmh

Fri, 19 Jun - 5pm
      31°C

La Forteresse weather:
Clear
0%      0%
Wind Speed: 21 kmh
Wind Gust: 39 kmh

Fri, 19 Jun - 6pm
      30°C

La Forteresse weather:
Mostly clear
36%      20%
Wind Speed: 21 kmh
Wind Gust: 38 kmh

Fri, 19 Jun - 7pm
      29°C

La Forteresse weather:
Partly cloudy
32%      48%
Wind Speed: 21 kmh
Wind Gust: 38 kmh

Fri, 19 Jun - 8pm
      27°C

La Forteresse weather:
Partly cloudy
37%      49%
Wind Speed: 17 kmh
Wind Gust: 36 kmh

Fri, 19 Jun - 9pm
      26°C

La Forteresse weather:
Partly cloudy
0%      52%
Wind Speed: 16 kmh
Wind Gust: 33 kmh

Fri, 19 Jun - 10pm
      24°C

La Forteresse weather:
Mostly clear
0%      21%
Wind Speed: 14 kmh
Wind Gust: 31 kmh

Fri, 19 Jun - 11pm
      23°C

La Forteresse weather:
Clear
0%      4%
Wind Speed: 10 kmh
Wind Gust: 29 kmh

Sat, 20 Jun - 12am
      22°C

La Forteresse weather:
Clear
0%      0%
Wind Speed: 10 kmh
Wind Gust: 23 kmh

Sat, 20 Jun - 1am
      21°C

La Forteresse weather:
Clear
0%      0%
Wind Speed: 9 kmh
Wind Gust: 21 kmh

Sat, 20 Jun - 2am
      20°C

La Forteresse weather:
Clear
0%      0%
Wind Speed: 9 kmh
Wind Gust: 19 kmh

Sat, 20 Jun - 3am
      19°C

La Forteresse weather:
Clear
0%      0%
Wind Speed: 5 kmh
Wind Gust: 16 kmh

Sat, 20 Jun - 4am
      17°C

La Forteresse weather:
Clear
0%      0%
Wind Speed: 5 kmh
Wind Gust: 9 kmh

Sat, 20 Jun - 5am
      16°C

La Forteresse weather:
Partly cloudy
0%      45%
Wind Speed: 4 kmh
Wind Gust: 7 kmh

Attribution:             







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