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Saint-Cast-le-Guildo weather



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Saint-Cast-le-Guildo weather



Here is the Saint-Cast-le-Guildo weather forecast. You will find below :
- Saint-Cast-le-Guildo weather forecast for the next hours
- 7, 8 and 10 days weather forecast for Saint-Cast-le-Guildo
- the lastest Saint-Cast-le-Guildo weather conditions

Please note that the station providing the latest weather data is not necessarily in the center of Saint-Cast-le-Guildo. 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 Saint-Cast-le-Guildo :
 - weather forecast for towns close to Saint-Cast-le-Guildo :
   - Weather Matignon (22550) : town located at 3.70 km
   - Weather Pléboulle (22550) : town located at 5.81 km
   - Weather Saint-Jacut-de-la-Mer (22750) : town located at 5.82 km
   - Weather Plévenon (22240) : town located at 6.32 km
   - Weather Fréhel (22240) : town located at 7.53 km
   - Weather Saint-Pôtan (22550) : town located at 7.60 km
   - Weather Trégon (22650) : town located at 8.22 km
   - Weather Lancieux (22770) : town located at 8.27 km

 - weather forecast for department prefecture of Côtes-d'Armor : Weather of Saint-Brieuc
 - weather forecast for other cities of Côtes-d'Armor : Côtes-d'Armor
 - global weather on the map of France : weather france map

Must see: the road map of Saint-Cast-le-Guildo, the photos of Saint-Cast-le-Guildo, the map of Saint-Cast-le-Guildo.
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7, 8 and 10 days weather forecast for Saint-Cast-le-Guildo

Week Forecast:


The latest weather data for Saint-Cast-le-Guildo were collected Tuesday, 18 August 2026 at 08:02 from the nearest observation station of Matignon.

Tuesday, August 18th

25°C     18°C

29%
 99%


Cloudy

Temperature Max: 25°C    Temperature Min: 18°C
Precipitation Probability: 29%
Percentage of sky occluded by clouds: 99%
Wind speed: 17 km/h East
Humidity: 75%°        UV Index: 4
Sunrise: 07:06     Sunset: 21:18

Wednesday, August 19th

22°C     17°C

79%
 91%


Rain

Temperature Max: 22°C    Temperature Min: 17°C
Precipitation Probability: 79% (Rain)
Percentage of sky occluded by clouds: 91%
Wind speed: 14 km/h East
Humidity: 82%°        UV Index: 4
Sunrise: 07:08     Sunset: 21:16

Thursday, August 20th

22°C     14°C

39%
 45%


Partly cloudy

Temperature Max: 22°C    Temperature Min: 14°C
Precipitation Probability: 39% (Rain)
Percentage of sky occluded by clouds: 45%
Wind speed: 21 km/h East
Humidity: 67%°        UV Index: 5
Sunrise: 07:09     Sunset: 21:14

Friday, August 21st

20°C     14°C

50%
 46%


Drizzle

Temperature Max: 20°C    Temperature Min: 14°C
Precipitation Probability: 50% (Rain)
Percentage of sky occluded by clouds: 46%
Wind speed: 14 km/h South-East
Humidity: 72%°        UV Index: 5
Sunrise: 07:10     Sunset: 21:13

Saturday, August 22nd

20°C     14°C

58%
 58%


Drizzle

Temperature Max: 20°C    Temperature Min: 14°C
Precipitation Probability: 58% (Rain)
Percentage of sky occluded by clouds: 58%
Wind speed: 14 km/h Sout-East
Humidity: 74%°        UV Index: 5
Sunrise: 07:12     Sunset: 21:11

Sunday, August 23rd

21°C     15°C

49%
 58%


Drizzle

Temperature Max: 21°C    Temperature Min: 15°C
Precipitation Probability: 49% (Rain)
Percentage of sky occluded by clouds: 58%
Wind speed: 21 km/h Sout-East
Humidity: 70%°        UV Index: 5
Sunrise: 07:13     Sunset: 21:09

Monday, August 24th

20°C     15°C

66%
 75%


Rain

Temperature Max: 20°C    Temperature Min: 15°C
Precipitation Probability: 66% (Rain)
Percentage of sky occluded by clouds: 75%
Wind speed: 21 km/h Sout-East
Humidity: 73%°        UV Index: 4
Sunrise: 07:15     Sunset: 21:07

Tuesday, August 25th

23°C     15°C

0%
 69%


Mostly cloudy

Temperature Max: 23°C    Temperature Min: 15°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 69%
Wind speed: 14 km/h North-West
Humidity: 65%°        UV Index: 5
Sunrise: 07:16     Sunset: 21:05

Wednesday, August 26th

21°C     15°C

49%
 79%


Rain

Temperature Max: 21°C    Temperature Min: 15°C
Precipitation Probability: 49% (Rain)
Percentage of sky occluded by clouds: 79%
Wind speed: 15 km/h North
Humidity: 73%°        UV Index: 4
Sunrise: 07:17     Sunset: 21:03

Thursday, August 27th

20°C     13°C

49%
 85%


Drizzle

Temperature Max: 20°C    Temperature Min: 13°C
Precipitation Probability: 49% (Rain)
Percentage of sky occluded by clouds: 85%
Wind speed: 11 km/h North-East
Humidity: 73%°        UV Index: 3
Sunrise: 07:19     Sunset: 21:01









Latest Saint-Cast-le-Guildo weather conditions
The latest weather data for Saint-Cast-le-Guildo were collected Tuesday, 18 August 2026 at 08:02 from the nearest observation station of Matignon.

Latest weather conditions collected Tue, 18 August at 08:02

18°C

1017.85 hPa
0 mm/h
 100%


Cloudy

Temperature: 18°C
Pressure: 1017.85 mbars
Precipitation Intensity: 0 mm/h
Percentage of sky occluded by clouds: 100%
Wind speed: 13 km/h East
Wind Gust Speed: 27.69 km/h
Visibility: 22718.14 km    Humidity: 87%
Dew Point: 16°        UV Index: 0








Saint-Cast-le-Guildo next hours weather forecast
This is the next hours weather forecast for Saint-Cast-le-Guildo.

Tue, 18 Aug - 12pm
      23°C

Saint-Cast-le-Guildo weather:
Cloudy
0%      100%
Wind Speed: 16 kmh
Wind Gust: 27 kmh

Tue, 18 Aug - 1pm
      24°C

Saint-Cast-le-Guildo weather:
Cloudy
0%      100%
Wind Speed: 17 kmh
Wind Gust: 29 kmh

Tue, 18 Aug - 2pm
      25°C

Saint-Cast-le-Guildo weather:
Cloudy
0%      100%
Wind Speed: 18 kmh
Wind Gust: 31 kmh

Tue, 18 Aug - 3pm
      25°C

Saint-Cast-le-Guildo weather:
Cloudy
0%      100%
Wind Speed: 18 kmh
Wind Gust: 31 kmh

Tue, 18 Aug - 4pm
      25°C

Saint-Cast-le-Guildo weather:
Cloudy
0%      99%
Wind Speed: 19 kmh
Wind Gust: 32 kmh

Tue, 18 Aug - 5pm
      25°C

Saint-Cast-le-Guildo weather:
Cloudy
0%      99%
Wind Speed: 18 kmh
Wind Gust: 32 kmh

Tue, 18 Aug - 6pm
      24°C

Saint-Cast-le-Guildo weather:
Cloudy
0%      97%
Wind Speed: 19 kmh
Wind Gust: 32 kmh

Tue, 18 Aug - 7pm
      23°C

Saint-Cast-le-Guildo weather:
Cloudy
0%      94%
Wind Speed: 19 kmh
Wind Gust: 33 kmh

Tue, 18 Aug - 8pm
      23°C

Saint-Cast-le-Guildo weather:
Mostly cloudy
0%      78%
Wind Speed: 20 kmh
Wind Gust: 36 kmh

Tue, 18 Aug - 9pm
      22°C

Saint-Cast-le-Guildo weather:
Mostly cloudy
0%      76%
Wind Speed: 16 kmh
Wind Gust: 32 kmh

Tue, 18 Aug - 10pm
      21°C

Saint-Cast-le-Guildo weather:
Mostly cloudy
0%      74%
Wind Speed: 14 kmh
Wind Gust: 28 kmh

Tue, 18 Aug - 11pm
      20°C

Saint-Cast-le-Guildo weather:
Mostly cloudy
0%      69%
Wind Speed: 11 kmh
Wind Gust: 23 kmh

Wed, 19 Aug - 12am
      20°C

Saint-Cast-le-Guildo weather:
Mostly cloudy
0%      71%
Wind Speed: 12 kmh
Wind Gust: 23 kmh

Wed, 19 Aug - 1am
      19°C

Saint-Cast-le-Guildo weather:
Mostly cloudy
0%      64%
Wind Speed: 12 kmh
Wind Gust: 24 kmh

Wed, 19 Aug - 2am
      19°C

Saint-Cast-le-Guildo weather:
Cloudy
0%      88%
Wind Speed: 11 kmh
Wind Gust: 23 kmh

Wed, 19 Aug - 3am
      19°C

Saint-Cast-le-Guildo weather:
Cloudy
0%      90%
Wind Speed: 13 kmh
Wind Gust: 25 kmh

Wed, 19 Aug - 4am
      19°C

Saint-Cast-le-Guildo weather:
Cloudy
0%      92%
Wind Speed: 14 kmh
Wind Gust: 25 kmh

Wed, 19 Aug - 5am
      18°C

Saint-Cast-le-Guildo weather:
Mostly cloudy
0%      63%
Wind Speed: 11 kmh
Wind Gust: 23 kmh

Wed, 19 Aug - 6am
      18°C

Saint-Cast-le-Guildo weather:
Partly cloudy
0%      55%
Wind Speed: 9 kmh
Wind Gust: 18 kmh

Wed, 19 Aug - 7am
      17°C

Saint-Cast-le-Guildo weather:
Partly cloudy
19% Rain     62%
Wind Speed: 9 kmh
Wind Gust: 16 kmh

Wed, 19 Aug - 8am
      18°C

Saint-Cast-le-Guildo weather:
Mostly cloudy
19% Rain     73%
Wind Speed: 9 kmh
Wind Gust: 16 kmh

Wed, 19 Aug - 9am
      19°C

Saint-Cast-le-Guildo weather:
Mostly cloudy
20% Rain     78%
Wind Speed: 11 kmh
Wind Gust: 21 kmh

Wed, 19 Aug - 10am
      20°C

Saint-Cast-le-Guildo weather:
Cloudy
24% Rain     100%
Wind Speed: 12 kmh
Wind Gust: 24 kmh

Wed, 19 Aug - 11am
      21°C

Saint-Cast-le-Guildo weather:
Drizzle
32% Rain     100%
Wind Speed: 13 kmh
Wind Gust: 26 kmh

Attribution:             







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