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      Elev 505 ft, 48.767 °N 2.065 °E

      L'Europe, FR

      Guyancourt Station
      Updated: 2:02 AM CEST on August 20, 2026 (GMT +2)
      9 minutes ago
      83°
      59°
      60
      Feels Like 60
      Clear
      N
      6
      Lower temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Tonight
      Wed 08/19
      Low 56°f
      3% Precip. / 0 in
      Clear skies. Low 56F. Winds light and variable.
      Tomorrow
      Thu 08/20
      High 76°f
      14% Precip. / 0 in
      Partly cloudy. High 76F. Winds WSW at 10 to 20 mph.
      Tomorrow night
      Thu 08/20
      Low 55°f
      19% Precip. / 0 in
      Partly cloudy. Slight chance of a rain shower. Low around 55F. Winds W at 10 to 15 mph.
      Hourly Forecast
      Now
      60°
      3AM
      60°
      4AM
      59°
      5AM
      58°
      6AM
      57°
      6:51AM
      Sunrise
      7AM
      57°
      8AM
      59°
      9AM
      62°
      10AM
      65°
      11AM
      68°
      12PM
      71°
      1PM
      72°
      2PM
      73°
      3PM
      74°
      4PM
      74°
      5PM
      75°
      6PM
      74°
      7PM
      72°
      8PM
      71°
      8:57PM
      Sunset
      9PM
      69°
      10PM
      65°
      11PM
      64°
      12AM
      62°
      1AM
      61°
      2AM
      60°
      Precipitation
      14%
      Pollen
      Grass Pollen
      Low
      Air Quality
      20
      Good
      UV Index
      0
      Low
      Additional Conditions
      1. Pressure 29.81 in
      2. Visibility 9 miles
      3. Clouds Clear
      4. Dew Point58°F
      5. Humidity 94%
      6. Rainfall 0.21 in
      7. Snow Depth 0 in
       LFPN Station History
      Almanac for August 20, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 83°F 77°F 88°F 2009
      4. Low 59°F 56°F 46°F 2014
      5. Rain/Snow Depth
      6. Precipitation 0 in 0.07 in -
      7. Snow 0 in - in -
      Almanac for August 21, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 75°F 76°F 92°F
      4. Low 59°F 56°F 42°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:51 AM 8:57 PM
      3. Civil Twilight 6:17 AM 9:31 PM
      4. Nautical Twilight 5:34 AM 10:14PM
      5. Astronomical Twilight 4:46 AM 11:01 PM
      1. Length of Visible Light 15h 14m
      2. Length of Day 14h 6m
      3. Tomorrow will be 3 minutes 18 seconds shorter
      1. Moon 4:09 PM 11:49 PM
      2. First Quarter54% of the Moon is Illuminated
      Aug 20
      Waxing Half First Qtr
      Aug 28
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 11
      New Moon
      Precipitation
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