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      Moderate Warning for Rain and Flood
      until 12:00 AM CET
      +1 more alert
      Elev 505 ft, 48.767 °N 2.065 °E

      Guyancourt, FR

      Guyancourt Station58°
      Tue, Oct 27, 2026
      Tuesday
      Tue 10/27
      High 65°f
      24% Precip. / 0 in
      Partly cloudy skies during the morning hours will become overcast in the afternoon. High around 65F. Winds SW at 10 to 20 mph.
      Tuesday night
      Tue 10/27
      Low 41°f
      8% Precip. / 0 in
      Mostly clear skies. Low 41F. Winds W at 5 to 10 mph.
      Sunrise 7:30 AM
      Sunset 5:40 PM
      Moonrise 5:52 PM
      Moonset 9:24 AM
      Waning Gibbous, 96% visible
      Hourly Forecast
      12AM
      56°
      1AM
      56°
      2AM
      56°
      3AM
      56°
      4AM
      55°
      5AM
      55°
      6AM
      55°
      7AM
      54°
      7:30AM
      Sunrise
      8AM
      54°
      9AM
      56°
      10AM
      58°
      11AM
      60°
      12PM
      63°
      1PM
      64°
      2PM
      64°
      3PM
      35%
      63°
      4PM
      62°
      5PM
      61°
      5:39PM
      Sunset
      6PM
      58°
      7PM
      55°
      8PM
      53°
      9PM
      51°
      10PM
      50°
      11PM
      49°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Cloudy
      		 56°F 54°F 23% 0in 88% 55°F 94% 10 mph SSW 29.98in
      1:00 am
      Cloudy
      		 56°F 54°F 21% 0in 87% 55°F 94% 10 mph SSW 29.98in
      2:00 am
      Cloudy
      		 56°F 53°F 21% 0in 89% 54°F 94% 10 mph SSW 29.98in
      3:00 am
      Cloudy
      		 56°F 53°F 21% 0in 88% 54°F 94% 10 mph SSW 29.98in
      4:00 am
      Cloudy
      		 55°F 52°F 15% 0in 86% 54°F 96% 10 mph S 29.97in
      5:00 am
      Cloudy
      		 55°F 52°F 21% 0in 86% 54°F 94% 11 mph S 29.96in
      6:00 am
      Mostly Cloudy
      		 55°F 53°F 21% 0in 62% 53°F 93% 10 mph S 29.96in
      7:00 am
      Mostly Clear
      		 54°F 51°F 9% 0in 27% 53°F 96% 10 mph S 29.95in
      8:00 am
      Mostly Sunny
      		 54°F 51°F 9% 0in 29% 54°F 98% 11 mph SSW 29.95in
      9:00 am
      Partly Cloudy
      		 56°F 53°F 7% 0in 31% 54°F 96% 12 mph SSW 29.95in
      10:00 am
      Partly Cloudy
      		 58°F 55°F 6% 0in 38% 55°F 90% 13 mph SSW 29.96in
      11:00 am
      Partly Cloudy
      		 60°F 58°F 5% 0in 54% 55°F 83% 13 mph SSW 29.96in
      12:00 pm
      Cloudy
      		 63°F 61°F 4% 0in 92% 56°F 78% 13 mph SW 29.96in
      1:00 pm
      Cloudy
      		 64°F 63°F 15% 0in 95% 56°F 76% 13 mph SW 29.96in
      2:00 pm
      Cloudy
      		 64°F 63°F 24% 0in 96% 56°F 76% 13 mph SW 29.97in
      3:00 pm
      Showers
      		 63°F 62°F 35% 0.01in 96% 56°F 76% 12 mph WSW 30in
      4:00 pm
      Cloudy
      		 62°F 61°F 13% 0in 91% 55°F 78% 11 mph WSW 30.02in
      5:00 pm
      Cloudy
      		 61°F 59°F 20% 0in 87% 54°F 78% 9 mph W 30.05in
      6:00 pm
      Partly Cloudy
      		 58°F 57°F 15% 0in 57% 51°F 79% 8 mph W 30.08in
      7:00 pm
      Partly Cloudy
      		 55°F 53°F 7% 0in 31% 51°F 85% 8 mph W 30.12in
      8:00 pm
      Mostly Clear
      		 53°F 51°F 5% 0in 25% 49°F 87% 8 mph W 30.14in
      9:00 pm
      Mostly Clear
      		 51°F 49°F 5% 0in 21% 48°F 89% 7 mph W 30.17in
      10:00 pm
      Mostly Clear
      		 50°F 47°F 6% 0in 21% 47°F 90% 7 mph W 30.2in
      11:00 pm
      Clear
      		 49°F 46°F 6% 0in 17% 46°F 90% 6 mph W 30.22in
      Additional Conditions
      1. Pressure 29.8 in
      2. Visibility 6 miles
      3. Clouds Cloudy
      4. Dew Point44°F
      5. Humidity 59%
      6. Rainfall 0.91 in
      7. Snow Depth 0 in
       LFPN Station History
      Almanac for October 25, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 60°F 57°F 67°F 2024
      4. Low 45°F 45°F 34°F 2020
      5. Rain/Snow Depth
      6. Precipitation 0 in 0.08 in -
      7. Snow 0 in - in -
      Almanac for October 26, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 57°F 57°F 71°F
      4. Low 44°F 44°F 30°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:27 AM 5:43 PM
      3. Civil Twilight 6:54 AM 6:16 PM
      4. Nautical Twilight 6:17 AM 6:52PM
      5. Astronomical Twilight 5:41 AM 7:29 PM
      1. Length of Visible Light 11h 21m
      2. Length of Day 10h 16m
      3. Tomorrow will be 3 minutes 22 seconds shorter
      1. Moon 4:59 PM 6:34 AM
      2. Waxing Gibbous99% of the Moon is Illuminated
      Oct 26
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
      Nov 17
      Waxing Half First Qtr
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