London Heathrow Airport Weather Forecast for
Su, 21 April
1:00
4:00
7:00
10:00
13:00
16:00
19:00
22:00
Air temperature, °C
+6
+5
+5
+9
+13
+13
+12
+11
Real feel, °C
+6
+5
+5
+8
+12
+13
+12
+11
Average wind speed, m/s
—
1
1
3
3
3
2
1
Wind gusts, m/s
3
3
2
4
5
5
4
3
Wind direction
calm
NE
SE
S
SE
SE
S
S
Birch pollen, points
0
0
0
0
0
0
0
0
Grass pollen, points
—
—
—
—
—
—
—
—
Ragweed pollen, points
—
—
—
—
—
—
—
—
Precipitation in liquid equivalent, mm
0
0
0
0
0
0
0
0
Falling snow, cm
—
—
—
—
—
—
—
—
Snow depth, cm
0
0
0
0
0
0
0
0
Pressure, mmHg
771
771
773
773
773
772
772
772
Relative humidity, %
70
77
79
59
51
52
60
70
UV Index, points
0
0
1
2
2
2
1
0
Geomagnetic activity, Kp-index
2
2
2
2
2
2
2
2
Sun and Moon
Daylight hours: 14 h 17 min
Sunrise — 5:52
Sunset — 20:09
The day will 19 minutes longer than today
Waxing Moon: 94%
Moonrise — 16:26 (20 April)
Moonset — 5:11
Full Moon — 24 April, in 2 days