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in Herndon mainly cloudy, no precipitation, +15 °C

Herndon 7-Day Weather Forecast

Air temperature, °C

+17
+6
+19
+8
+9
+1
+12
−2
+14
+5
+19
+8
+18
+10

Real feel, °C

+17
+6
+19
+5
+7
−2
+11
−2
+14
+5
+19
+8
+18
+10

Average daily temperature, °C

+13
+15
+4
+6
+9
+13
+14

Average wind speed, m/s

7
8
7
6
3
2
2

Wind gusts, m/s

16
18
17
12
6
5
5

Wind direction

S
NW
N
N
N
N
SE

Precipitation in liquid equivalent, mm

0.8
11.4
0
1.2
5.2
0
0
0
0
0
0
0
0
0

Pressure, mmHg

753
748
752
741
765
756
766
762
761
758
761
758
759
756

Relative humidity, %

81
76
41
60
87
86
83
2
1
5
5
1
2
3
2
3
1
1
2
2
2