Guyancourt Weather Forecast for
Tu, 30 April
2:00
5:00
8:00
11:00
14:00
17:00
20:00
23:00
Air temperature, °C
+11
+10
+11
+13
+16
+16
+15
+13
Real feel, °C
+11
+10
+10
+13
+16
+16
+15
+13
Average wind speed, m/s
1
2
2
4
4
5
3
2
Wind gusts, m/s
3
5
5
8
10
11
8
6
Wind direction
SE
SE
S
SE
SE
S
S
SE
Birch pollen, points
0
1
1
1
1
1
0
1
Grass pollen, points
—
—
—
—
—
—
—
—
Ragweed pollen, points
—
—
—
—
—
—
—
—
Precipitation in liquid equivalent, mm
0
0.1
0.1
0.5
0.1
0.1
0.7
0.1
Falling snow, cm
—
—
—
—
—
—
—
—
Snow depth, cm
0
0
0
0
0
0
0
0
Pressure, mmHg
747
746
745
745
744
744
743
743
Relative humidity, %
84
92
93
83
72
72
78
86
UV Index, points
0
0
1
1
1
1
1
0
Geomagnetic activity, Kp-index
2
2
2
2
2
2
2
2
Sun and Moon
Daylight hours: 14 h 34 min
Sunrise — 6:32
Sunset — 21:06
The day will 12 minutes longer than today
Waning Moon: 61%
Moonset — 9:44 (29 April)
Moonrise — 3:18
New Moon — 8 May, in 8 days