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in Herndon fair, +19 °C

Herndon 10-Day Weather Forecast

Air temperature, °C

+31
+18
+31
+19
+25
+20
+27
+17
+28
+15
+18
+15
+19
+14
+24
+17
+22
+15
+18
+10

Real feel, °C

+31
+18
+31
+19
+25
+20
+27
+17
+28
+15
+18
+15
+19
+14
+24
+17
+22
+15
+18
+9

Average daily temperature, °C

+25
+25
+22
+21
+22
+16
+17
+20
+18
+15

Average wind speed, m/s

3
6
5
3
4
4
3
5
6
7

Wind gusts, m/s

7
12
10
6
11
10
7
11
11
11

Wind direction

NW
SW
N
SE
SE
E
SE
W
NW
N

Precipitation in liquid equivalent, mm

0
0
1.8
0
0
24
4.8
7.1
0
0
0
0
0
0
0
0
0
0

Pressure, mmHg

754
750
750
747
752
748
755
752
754
752
756
755
757
751
749
743
747
745
750
746

Relative humidity, %

75
67
73
86
80
80
87
88
72
64
9
8
3
10
11
0
0
1
6
5
2
2
3
4
3
3
3
3
3
2