Guyancourt Weather

    16:00 Sunday
    Overcast
    Overcast
    10° Feels like 10°
    Moderate east wind East 17 - 33 km/h
    • Today 21 Dec. Light rain with partly cloudy skies 90% 4 mm 11° / 7° Moderate southeast wind 23 - 44 km/h
    • Tomorrow 22 Dec. Partly cloudy 10° / 5° Moderate southeast wind 17 - 35 km/h
    • Tuesday 23 Dec. Scattered clouds 6° / 1° Moderate northeast wind 15 - 31 km/h
    • Wednesday 24 Dec. Snow with partly cloudy skies 30% 0.3 mm 4° / -1° Strong northeast wind 24 - 52 km/h
    • Thursday 25 Dec. Snow with partly cloudy skies 50% 0.3 mm 3° / -1° Moderate northeast wind 21 - 46 km/h
    • Friday 26 Dec. Scattered clouds 2° / -3° Moderate northeast wind 10 - 21 km/h
    • Saturday 27 Dec. Scattered clouds 2° / -4° Gentle northeast wind 8 - 18 km/h

    Weather Forecast for Guyancourt Today

    , 21 December

    Tomorrow

    , 22 December
    17:00 Overcast 10° Overcast
    Feels Like 10°
    Moderate east wind East 17 - 33 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 87%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 10 °C
    • Visibility Visibility 12 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Snowline Snowline 5906 ft
    18:00 Light rain with cloudy skies 60% 0.008 mm 10° Light rain
    Feels Like 10°
    Moderate southeast wind Southeast 18 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 60% 0.008 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 10 °C
    • Visibility Visibility 5 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 6234 ft
    19:00 Light rain with cloudy skies 80% 0.028 mm 10° Light rain
    Feels Like 7°
    Moderate southeast wind Southeast 19 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 80% 0.028 mm
    • Humidity Humidity 92%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 5 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 5906 ft
    20:00 Light rain with cloudy skies 90% 0.028 mm 9° Light rain
    Feels Like 7°
    Moderate southeast wind Southeast 21 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 90% 0.028 mm
    • Humidity Humidity 94%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 6 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 6234 ft
    21:00 Light rain with cloudy skies 90% 0.012 mm 10° Light rain
    Feels Like 7°
    Moderate southeast wind Southeast 23 - 43 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 90% 0.012 mm
    • Humidity Humidity 88%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 10 km
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 6562 ft
    22:00 Overcast 10° Overcast
    Feels Like 7°
    Moderate southeast wind Southeast 20 - 43 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 87%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 6234 ft
    23:00 Partly cloudy 10° Partly cloudy
    Feels Like 7°
    Moderate southeast wind Southeast 18 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 87%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 85%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 6562 ft
    24:00 High clouds 10° High clouds
    Feels Like 7°
    Moderate southeast wind Southeast 18 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 87%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 57%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 6890 ft

    Sunrise and Sunset

    Sunrise 08:42 Sunset 16:57
    First light 08:04 Midday 12:49 Last light 17:34
    Day length 8h 16m

    Remaining daylight 10m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    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
    1 First Quarter
    2 Full Moon
    3 Full Moon

    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
    26
    Fair PM₂₅ (14 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

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