Guyancourt Weather

    12:00 Thursday
    Scattered clouds
    Scattered clouds
    12° Feels like 12°
    Moderate south wind South 19 - 40 km/h
    • Today 18 Dec. Light rain with partly cloudy skies 60% 0.2 mm 14° / 5° Strong south wind 28 - 58 km/h
    • Tomorrow 19 Dec. Light rain with cloudy skies 90% 6.1 mm 13° / 7° Moderate southwest wind 22 - 48 km/h
    • Saturday 20 Dec. Light rain with cloudy skies 70% 1.4 mm 9° / 6° Moderate southeast wind 12 - 22 km/h
    • Sunday 21 Dec. Light rain with partly cloudy skies 80% 1.7 mm 9° / 6° Moderate south wind 12 - 22 km/h
    • Monday 22 Dec. Fog More information 10° / 5° Gentle northeast wind 8 - 19 km/h
    • Tuesday 23 Dec. Partly cloudy 5° / 0° Moderate northeast wind 14 - 31 km/h
    • Wednesday 24 Dec. Overcast 6° / 1° Strong northeast wind 25 - 56 km/h

    Weather Forecast for Guyancourt Today

    , 18 December

    Tomorrow

    , 19 December
    13:00 Scattered clouds 12° Scattered clouds
    Feels Like 12°
    Moderate south wind South 19 - 40 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 60 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 9514 ft
    14:00 Scattered clouds 12° Scattered clouds
    Feels Like 12°
    Moderate south wind South 19 - 41 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 60 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 9186 ft
    15:00 Scattered clouds 13° Scattered clouds
    Feels Like 13°
    Strong south wind South 28 - 56 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 53%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 60 km
    • Wind Wind - Average 28 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 56 km/h
    • Snowline Snowline 9186 ft
    16:00 Partly cloudy 13° Partly cloudy
    Feels Like 13°
    Strong south wind South 28 - 57 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 75%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 65 km
    • Wind Wind - Average 28 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 57 km/h
    • Snowline Snowline 9186 ft
    17:00 Overcast 13° Overcast
    Feels Like 13°
    Strong south wind South 27 - 55 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 60%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 65 km
    • Wind Wind - Average 27 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 55 km/h
    • Snowline Snowline 9186 ft
    18:00 Overcast 14° Overcast
    Feels Like 14°
    Strong south wind South 27 - 55 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 59%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 65 km
    • Wind Wind - Average 27 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 55 km/h
    • Snowline Snowline 8858 ft
    19:00 Overcast 14° Overcast
    Feels Like 14°
    Strong south wind South 27 - 55 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 60%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 65 km
    • Wind Wind - Average 27 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 55 km/h
    • Snowline Snowline 9186 ft
    Overcast 20:00 Overcast 13° Overcast
    Feels Like 13°
    Strong south wind South 27 - 54 km/h
    		UV Index 0 Low SPF: no
    20:00 Overcast 13° Overcast
    Feels Like 13°
    Strong south wind South 27 - 54 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 60 km
    • Wind Wind - Average 27 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 54 km/h
    • Snowline Snowline 8858 ft
    21:00 Overcast 13° Overcast
    Feels Like 13°
    Strong south wind South 26 - 54 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 26 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 54 km/h
    • Snowline Snowline 8530 ft
    22:00 Overcast 13° Overcast
    Feels Like 13°
    Strong south wind South 26 - 52 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 26 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 52 km/h
    • Snowline Snowline 8530 ft
    Overcast 23:00 Overcast 13° Overcast
    Feels Like 13°
    Strong southwest wind Southwest 26 - 52 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast 13° Overcast
    Feels Like 13°
    Strong southwest wind Southwest 26 - 52 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 72%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 14 km
    • Wind Wind - Average 26 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 52 km/h
    • Snowline Snowline 8202 ft
    24:00 Overcast 12° Overcast
    Feels Like 12°
    Strong southwest wind Southwest 24 - 51 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 76%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 12 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 51 km/h
    • Snowline Snowline 8530 ft

    Sunrise and Sunset

    Sunrise 08:40 Sunset 16:56
    First light 08:03 Midday 12:48 Last light 17:33
    Day length 8h 16m

    Remaining daylight 4h 20m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    18 New Moon
    19 New Moon
    20 New Moon
    21 New Moon
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 First Quarter
    26 First Quarter
    27 First Quarter
    28 First Quarter
    29 First Quarter
    30 First Quarter
    31 First Quarter

    Pollen

    Detail
    Pollen
    Null Mugwort (0 #/m³)
    • Pay attention to the pollen forecast.
    • Stay aware of the season of pollination which affects you

    Air quality in Guyancourt today

    Detail
    24
    Fair O₃ (59 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

    Videos

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