Herndon Weather Forecast for
Sa, 4 May
2:00
5:00
8:00
11:00
14:00
17:00
20:00
23:00
Air temperature, °C
+15
+15
+15
+16
+18
+18
+17
+15
Real feel, °C
+15
+15
+15
+16
+18
+18
+17
+15
Average wind speed, m/s
2
2
3
3
4
4
4
4
Wind gusts, m/s
9
7
8
8
9
9
9
10
Wind direction
E
E
E
E
E
E
E
E
Birch pollen, points
—
—
—
—
—
—
—
—
Grass pollen, points
—
—
—
—
—
—
—
—
Ragweed pollen, points
—
—
—
—
—
—
—
—
Precipitation in liquid equivalent, mm
0
0
0
0
0
0
0.8
3.9
Falling snow, cm
—
—
—
—
—
—
—
—
Snow depth, cm
0
0
0
0
0
0
0
0
Pressure, mmHg
755
756
757
758
757
757
756
756
Relative humidity, %
73
80
81
68
63
62
63
76
UV Index, points
0
0
1
1
1
1
1
0
Geomagnetic activity, Kp-index
3
3
3
3
3
3
3
3
Sun and Moon
Daylight hours: 13 h 58 min
Sunrise — 6:07
Sunset — 20:05
The day will 8 minutes longer than today
Waning Moon: 16%
Moonset — 14:58 (3 May)
Moonrise — 4:10
New Moon — 7 May, in 4 days