Herndon Weather Forecast for
We, 8 May
2:00
5:00
8:00
11:00
14:00
17:00
20:00
23:00
Air temperature, °C
+19
+18
+19
+21
+26
+29
+25
+22
Real feel, °C
+19
+18
+19
+21
+26
+29
+25
+22
Average wind speed, m/s
2
2
3
5
6
4
1
1
Wind gusts, m/s
12
9
11
12
10
10
6
4
Wind direction
S
S
S
S
SW
SW
SW
N
Birch pollen, points
—
—
—
—
—
—
—
—
Grass pollen, points
—
—
—
—
—
—
—
—
Ragweed pollen, points
—
—
—
—
—
—
—
—
Precipitation in liquid equivalent, mm
0
0
1.7
9.4
0.3
0.6
0
0.4
Falling snow, cm
—
—
—
—
—
—
—
—
Snow depth, cm
—
—
—
—
—
—
—
—
Pressure, mmHg
746
745
746
745
740
739
741
742
Relative humidity, %
73
78
77
67
66
59
57
66
UV Index, points
0
0
2
4
5
5
1
0
Geomagnetic activity, Kp-index
2
2
2
2
2
2
2
2
Sun and Moon
Daylight hours: 14 h 6 min
Sunrise — 6:03
Sunset — 20:09
The day will 16 minutes longer than today
Waning Moon: 1%
Moonset — 19:59 (7 May)
Moonrise — 6:05
New Moon — 6 June, in 29 days