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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, 14 May 2026 at 19:03 from the nearest observation station of Saint-Étienne-de-Saint-Geoirs.

Thursday, May 14th

12°C     7°C

94%
 89%


Rain

Temperature Max: 12°C    Temperature Min: 7°C
Precipitation Probability: 94% (Rain)
Percentage of sky occluded by clouds: 89%
Wind speed: 10 km/h North-East
Humidity: 77%°        UV Index: 4
Sunrise: 06:09     Sunset: 21:00

Friday, May 15th

10°C     5°C

93%
 92%


Drizzle

Temperature Max: 10°C    Temperature Min: 5°C
Precipitation Probability: 93% (Rain)
Percentage of sky occluded by clouds: 92%
Wind speed: 11 km/h South
Humidity: 81%°        UV Index: 3
Sunrise: 06:08     Sunset: 21:02

Saturday, May 16th

13°C     4°C

0%
 70%


Mostly cloudy

Temperature Max: 13°C    Temperature Min: 4°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 70%
Wind speed: 11 km/h South
Humidity: 69%°        UV Index: 4
Sunrise: 06:07     Sunset: 21:03

Sunday, May 17th

17°C     3°C

0%
 48%


Partly cloudy

Temperature Max: 17°C    Temperature Min: 3°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 48%
Wind speed: 7 km/h South
Humidity: 57%°        UV Index: 5
Sunrise: 06:06     Sunset: 21:04

Monday, May 18th

18°C     6°C

0%
 71%


Mostly cloudy

Temperature Max: 18°C    Temperature Min: 6°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 71%
Wind speed: 7 km/h South
Humidity: 62%°        UV Index: 4
Sunrise: 06:05     Sunset: 21:05

Tuesday, May 19th

21°C     7°C

0%
 67%


Mostly cloudy

Temperature Max: 21°C    Temperature Min: 7°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 67%
Wind speed: 4 km/h Sout-East
Humidity: 58%°        UV Index: 6
Sunrise: 06:04     Sunset: 21:06

Wednesday, May 20th

23°C     10°C

0%
 58%


Partly cloudy

Temperature Max: 23°C    Temperature Min: 10°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 58%
Wind speed: 9 km/h South
Humidity: 55%°        UV Index: 6
Sunrise: 06:03     Sunset: 21:07

Thursday, May 21st

25°C     11°C

0%
 30%


Mostly clear

Temperature Max: 25°C    Temperature Min: 11°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 30%
Wind speed: 12 km/h South
Humidity: 57%°        UV Index: 8
Sunrise: 06:02     Sunset: 21:08

Friday, May 22nd

27°C     12°C

0%
 26%


Mostly clear

Temperature Max: 27°C    Temperature Min: 12°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 26%
Wind speed: 7 km/h South-East
Humidity: 54%°        UV Index: 8
Sunrise: 06:01     Sunset: 21:09

Saturday, May 23rd

26°C     12°C

0%
 29%


Mostly clear

Temperature Max: 26°C    Temperature Min: 12°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 29%
Wind speed: 6 km/h South
Humidity: 50%°        UV Index: 7
Sunrise: 06:00     Sunset: 21:10









Latest La Forteresse weather conditions


The latest weather data for La Forteresse were collected Thursday, 14 May 2026 at 19:03 from the nearest observation station of Saint-Étienne-de-Saint-Geoirs.

Latest weather conditions collected Thu, 14 May at 19:03

10°C

1002.03 hPa
0 mm/h
 88%


Drizzle

Temperature: 10°C
Pressure: 1002.03 mbars
Precipitation Intensity: 0 mm/h
Percentage of sky occluded by clouds: 88%
Wind speed: 9 km/h North-East
Wind Gust Speed: 16.72 km/h
Visibility: 15660.07 km    Humidity: 79%
Dew Point: 7°        UV Index: 1









La Forteresse next hours weather forecast


This is the next hours weather forecast for La Forteresse.

Fri, 15 May - 4am
      6°C

La Forteresse weather:
Drizzle
46% Rain     98%
Wind Speed: 3 kmh
Wind Gust: 7 kmh

Fri, 15 May - 5am
      6°C

La Forteresse weather:
Drizzle
51% Rain     99%
Wind Speed: 3 kmh
Wind Gust: 6 kmh

Fri, 15 May - 6am
      5°C

La Forteresse weather:
Drizzle
55% Rain     99%
Wind Speed: 5 kmh
Wind Gust: 9 kmh

Fri, 15 May - 7am
      6°C

La Forteresse weather:
Drizzle
60% Rain     99%
Wind Speed: 5 kmh
Wind Gust: 10 kmh

Fri, 15 May - 8am
      6°C

La Forteresse weather:
Drizzle
59% Rain     99%
Wind Speed: 6 kmh
Wind Gust: 12 kmh

Fri, 15 May - 9am
      6°C

La Forteresse weather:
Drizzle
56% Rain     99%
Wind Speed: 8 kmh
Wind Gust: 15 kmh

Fri, 15 May - 10am
      6°C

La Forteresse weather:
Drizzle
53% Rain     99%
Wind Speed: 8 kmh
Wind Gust: 18 kmh

Fri, 15 May - 11am
      7°C

La Forteresse weather:
Drizzle
52% Rain     98%
Wind Speed: 8 kmh
Wind Gust: 18 kmh

Fri, 15 May - 12pm
      7°C

La Forteresse weather:
Drizzle
48% Rain     99%
Wind Speed: 10 kmh
Wind Gust: 23 kmh

Fri, 15 May - 1pm
      8°C

La Forteresse weather:
Cloudy
0%      98%
Wind Speed: 11 kmh
Wind Gust: 24 kmh

Fri, 15 May - 2pm
      9°C

La Forteresse weather:
Drizzle
36% Rain     93%
Wind Speed: 13 kmh
Wind Gust: 26 kmh

Fri, 15 May - 3pm
      10°C

La Forteresse weather:
Drizzle
34% Rain     88%
Wind Speed: 14 kmh
Wind Gust: 31 kmh

Fri, 15 May - 4pm
      10°C

La Forteresse weather:
Drizzle
34% Rain     86%
Wind Speed: 16 kmh
Wind Gust: 31 kmh

Fri, 15 May - 5pm
      10°C

La Forteresse weather:
Mostly cloudy
28% Rain     84%
Wind Speed: 15 kmh
Wind Gust: 34 kmh

Fri, 15 May - 6pm
      10°C

La Forteresse weather:
Mostly cloudy
0%      77%
Wind Speed: 15 kmh
Wind Gust: 33 kmh

Fri, 15 May - 7pm
      10°C

La Forteresse weather:
Mostly cloudy
26% Rain     76%
Wind Speed: 14 kmh
Wind Gust: 29 kmh

Fri, 15 May - 8pm
      9°C

La Forteresse weather:
Partly cloudy
26% Rain     62%
Wind Speed: 12 kmh
Wind Gust: 23 kmh

Fri, 15 May - 9pm
      8°C

La Forteresse weather:
Mostly cloudy
0%      66%
Wind Speed: 11 kmh
Wind Gust: 24 kmh

Fri, 15 May - 10pm
      7°C

La Forteresse weather:
Partly cloudy
0%      44%
Wind Speed: 8 kmh
Wind Gust: 19 kmh

Fri, 15 May - 11pm
      6°C

La Forteresse weather:
Mostly clear
0%      36%
Wind Speed: 10 kmh
Wind Gust: 26 kmh

Sat, 16 May - 12am
      6°C

La Forteresse weather:
Mostly clear
0%      27%
Wind Speed: 6 kmh
Wind Gust: 23 kmh

Sat, 16 May - 1am
      5°C

La Forteresse weather:
Partly cloudy
0%      42%
Wind Speed: 5 kmh
Wind Gust: 22 kmh

Sat, 16 May - 2am
      5°C

La Forteresse weather:
Mostly clear
0%      35%
Wind Speed: 5 kmh
Wind Gust: 18 kmh

Sat, 16 May - 3am
      5°C

La Forteresse weather:
Partly cloudy
0%      40%
Wind Speed: 5 kmh
Wind Gust: 15 kmh

Attribution:             







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