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in Herndon mainly cloudy, no precipitation, +16 °C

Herndon 10-Day Weather Forecast

Air temperature, °C

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

Real feel, °C

+17
+6
+19
+5
+7
−2
+11
−2
+14
+5
+19
+8
+18
+10
+19
+9
+18
+9
+12
+9

Average daily temperature, °C

+13
+15
+4
+6
+9
+13
+14
+14
+14
+11

Average wind speed, m/s

7
8
7
6
3
2
2
2
3
3

Wind gusts, m/s

16
18
17
12
6
5
5
5
7
9

Wind direction

S
NW
N
N
N
N
SE
S
E
SW

Precipitation in liquid equivalent, mm

0.8
11.4
0
1.2
5.2
0
0
0
0
14.2
0
0
0
0
0
0
0
0

Pressure, mmHg

753
749
752
741
765
756
766
762
761
758
761
758
759
756
756
753
757
752
751
745

Relative humidity, %

81
76
41
60
87
86
83
83
84
87
2
1
5
5
1
2
3
2
2
0
2
3
1
1
2
2
2
2
2
2