Log In
    Favorites
        Member Settings
      Elev 505 ft, 48.767 °N 2.065 °E

      L'Europe, FR

      Guyancourt Station46°
      Updated: 1:13 AM CEST on October 18, 2026 (GMT +2)
      9 minutes ago
      61°
      44°
      46
      Feels Like 46
      Fair
      N
      10
      Gusts 20 mph
      Lower temperature is expected today
      Wundermap

      Loading nearby stations…

       Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Sat 10/17
        Low 41°f
         3% Precip. / 0 in
        Mostly clear. Low 41F. Winds N at 5 to 10 mph.
        Tomorrow
        Sun 10/18
        High 57°f
         24% Precip. / 0 in
        Intervals of clouds and sunshine. Slight chance of a rain shower. High 57F. Winds NNE at 5 to 10 mph.
        Tomorrow night
        Sun 10/18
        Low 37°f
         40% Precip. / 0 in
        Rain showers in the evening, then clear overnight. Low 37F. Winds light and variable. Chance of rain 40%.
        Hourly Forecast
        Now
        46°
        2AM
        45°
        3AM
        44°
        4AM
        44°
        5AM
        44°
        6AM
        43°
        7AM
        42°
        8AM
        42°
        8:16AM
        Sunrise
        9AM
        43°
        10AM
        46°
        11AM
        49°
        12PM
        51°
        1PM
        53°
        2PM
        54°
        3PM
        55°
        4PM
        56°
        5PM
        55°
        6PM
        39%
        54°
        6:56PM
        Sunset
        7PM
        39%
        51°
        8PM
        39%
        48°
        9PM
        39%
        47°
        10PM
        39%
        45°
        11PM
        40%
        43°
        12AM
        42°
        1AM
        41°
        Precipitation
        40%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        25
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.33 in
        2. Visibility 6 miles
        3. Clouds Partly Cloudy
        4. Dew Point43°F
        5. Humidity 88%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         LFPN Station History
        Almanac for October 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 56°F 60°F 74°F 2014
        4. Low 40°F 46°F 36°F 2008
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.08 in -
        7. Snow 0 in - in -
        Almanac for October 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 56°F 59°F 74°F
        4. Low 37°F 46°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 8:16 AM 6:56 PM
        3. Civil Twilight 7:44 AM 7:28 PM
        4. Nautical Twilight 7:07 AM 8:05PM
        5. Astronomical Twilight 6:31 AM 8:41 PM
        1. Length of Visible Light 11h 44m
        2. Length of Day 10h 40m
        3. Tomorrow will be 3 minutes 27 seconds shorter
        1. Moon 3:53 PM -
        2. First Quarter49% of the Moon is Illuminated
        Oct 18
        Waxing Half First Qtr
        Oct 26
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
        Nearby Weather Stations
        Station Location
        Temp
        Windchill
        Heat Index
        Dew Point
        Humidity
        Wind
        Precip.
        Elev.
        Updated
        Loading nearby stations…
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareers
        PWS NetworkWunderMap
        Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
        Level Access
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary