Saint-Cast-Le-Guildo hour by hour Weather up to 120 hours – Forecast, Trends & News - France

Saint-Cast-Le-Guildo, Bretagne, France

Updated every 10 min

Today Conditions

Today conditions icon
11.5°C / 6.9°C

Partly Cloudy

Temperature AVG : 8.6°C
Wind: 24.5 km/h
Humidity: 89%
Visibility: 10.0 km

Astronomy

Sunrise

08:53 AM

Sunset

05:13 PM

Moon Phase

Waning Crescent

UV Index 0.1 Good for going out
Moon illumination 30%

Air Quality

1

Good

AQI
PM2.5 14.05 µg/m³
PM10 15.55 µg/m³
O₃ 52.0 μg/m3
NO₂ 5.85 μg/m3

Saint-cast-le-guildo next 24-Hour Forecast

Wind
9.0 km/h
Feels Like
6.3°C
Humidity
84%
Dew Point
5.5°C °
Pressure
1027.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
10.8 km/h
Feels Like
5.7°C
Humidity
86%
Dew Point
5.5°C °
Pressure
1027.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
11.5 km/h
Feels Like
5.4°C
Humidity
88%
Dew Point
5.6°C °
Pressure
1026.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
10.4 km/h
Feels Like
5.4°C
Humidity
89%
Dew Point
5.7°C °
Pressure
1026.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
10.8 km/h
Feels Like
5.2°C
Humidity
90%
Dew Point
5.7°C °
Pressure
1026.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
11.9 km/h
Feels Like
4.9°C
Humidity
91%
Dew Point
5.8°C °
Pressure
1025.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
12.2 km/h
Feels Like
4.7°C
Humidity
92%
Dew Point
5.8°C °
Pressure
1025.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
14.8 km/h
Feels Like
4.3°C
Humidity
92%
Dew Point
5.9°C °
Pressure
1024.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
15.5 km/h
Feels Like
4.1°C
Humidity
93%
Dew Point
5.9°C °
Pressure
1024.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
16.2 km/h
Feels Like
4.0°C
Humidity
93%
Dew Point
5.9°C °
Pressure
1024.0 mb
UV Index
0.0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
15.8 km/h
Feels Like
4.4°C
Humidity
94%
Dew Point
6.4°C °
Pressure
1024.0 mb
UV Index
0.2 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
18.7 km/h
Feels Like
5.4°C
Humidity
92%
Dew Point
7.2°C °
Pressure
1023.0 mb
UV Index
0.4 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
21.6 km/h
Feels Like
6.6°C
Humidity
89%
Dew Point
7.8°C °
Pressure
1022.0 mb
UV Index
0.6 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
22.0 km/h
Feels Like
7.7°C
Humidity
86%
Dew Point
8.2°C °
Pressure
1022.0 mb
UV Index
0.7 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
22.0 km/h
Feels Like
8.2°C
Humidity
86%
Dew Point
8.6°C °
Pressure
1021.0 mb
UV Index
0.7 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
22.0 km/h
Feels Like
8.3°C
Humidity
86%
Dew Point
8.7°C °
Pressure
1020.0 mb
UV Index
0.5 ( Good for going out )
Visibility
10.0 km
Chance of rain
89%
Wind
22.3 km/h
Feels Like
8.6°C
Humidity
85%
Dew Point
8.7°C °
Pressure
1019.0 mb
UV Index
0.2 ( Good for going out )
Visibility
10.0 km
Chance of rain
83%
Wind
23.0 km/h
Feels Like
9.0°C
Humidity
82%
Dew Point
8.6°C °
Pressure
1019.0 mb
UV Index
0.0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
20.2 km/h
Feels Like
7.7°C
Humidity
88%
Dew Point
8.4°C °
Pressure
1018.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
19.4 km/h
Feels Like
6.8°C
Humidity
91%
Dew Point
8.1°C °
Pressure
1018.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
20.2 km/h
Feels Like
6.1°C
Humidity
92%
Dew Point
7.8°C °
Pressure
1017.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
21.2 km/h
Feels Like
5.6°C
Humidity
92%
Dew Point
7.5°C °
Pressure
1017.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
22.7 km/h
Feels Like
5.4°C
Humidity
92%
Dew Point
7.3°C °
Pressure
1016.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%
Wind
24.5 km/h
Feels Like
5.1°C
Humidity
100%
Dew Point
7.1°C °
Pressure
1014.0 mb
UV Index
0 ( Good for going out )
Visibility
10.0 km
Chance of rain
0%

Saint-cast-le-guildo 5-Day Forecast

Today

hourly weather conditions icon

Partly Cloudy

11.5°C / 6.9°C
0%

2025-12-15

hourly weather conditions icon

Patchy rain nearby

12.7°C / 7.8°C
89%

2025-12-16

hourly weather conditions icon

Patchy rain nearby

10.2°C / 8.6°C
86%

2025-12-17

hourly weather conditions icon

Partly Cloudy

10.7°C / 8.2°C
0%

2025-12-18

hourly weather conditions icon

Patchy rain nearby

12.6°C / 5.6°C
59%

Weather Charts

Temperature & Precipitation

Wind Speed & Direction