On Monday, 23 December, mostly partly cloudy, no precipitation are expected in Herdon. The lowest air temperature will be -4°C at 7 am, the highest temperature will be +9°C around 4 pm. The atmospheric pressure will be within 746-748 mm Hg. The relative humidity 41-67%. The wind will be mainly southerly 6 m/s with maximum gusts up to 14 m/s
UVI
01:00
<5%
3 m/s
6 m/s
748
63%
0
04:00
<5%
3 m/s
8 m/s
747
64%
0
07:00
<5%
4 m/s
11 m/s
747
67%
0
10:00
<5%
6 m/s
14 m/s
748
54%
2
13:00
<5%
7 m/s
11 m/s
746
41%
3
16:00
<5%
6 m/s
11 m/s
746
41%
3
19:00
<5%
4 m/s
13 m/s
746
51%
1
22:00
10%
5 m/s
14 m/s
746
53%
0
-4°
-8°
-4°
-8°
-4°
-8°
+2°
-3°
+8°
+2°
+9°
+4°
+6°
+2°
+5°
+1°