Seeing for Ashburn

Tue 2026-05-19 to Wed 2026-05-20
Ground Sky
Hour (EDT) Temp rel. hum. Clouds
Best values are marked
arc sec.
13 94 °F 40% 31 1.50
14 95 °F 38% 30 1.72
15 94 °F 39% 34 1.63
16 93 °F 41% 44 1.56
17 90 °F 43% 54 1.58
18 88 °F 45% 54 1.63
19 85 °F 48% 66 1.52
20 83 °F 54% 44 1.41
21 79 °F 61% 43 1.41
22 76 °F 68% 60 1.40
23 74 °F 73% 66 1.38
0 73 °F 74% 50 1.34
1 73 °F 75% 26 1.30
2 72 °F 76% 15 1.27
3 71 °F 77% 10 1.23
4 71 °F 78% 7 1.20
5 71 °F 79% 7 1.19
6 72 °F 77% 10 1.21
7 74 °F 73% 8 1.21
8 77 °F 68% 6 1.20
9 81 °F 61% 3 1.20
10 84 °F 55% 4 1.21
11 87 °F 50% 4 1.24
12 89 °F 47% 7 1.29