On Saturday, 4 January, mostly semi-transparent clouds, no precipitation are expected in Herndon. The lowest air temperature will be +8°C at 3 am, the highest temperature will be +20°C around 3 pm. The atmospheric pressure will be within 704-712 mm Hg. The relative humidity 54-97%. The wind will be mainly southerly 11 m/s with maximum gusts up to 20 m/s
UVI
00:00
<5%
4 m/s
11 m/s
712
86%
0
03:00
<5%
5 m/s
13 m/s
710
97%
0
06:00
13%
7 m/s
14 m/s
709
90%
0
09:00
7%
8 m/s
14 m/s
709
78%
1
12:00
17%
11 m/s
14 m/s
708
68%
4
15:00
<5%
11 m/s
13 m/s
706
54%
4
18:00
<5%
10 m/s
16 m/s
705
60%
0
21:00
19%
11 m/s
20 m/s
704
77%
0
+9°
+5°
+8°
+5°
+10°
+5°
+13°
+8°
+16°
+9°
+20°
+13°
+18°
+12°
+16°
+10°