Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 9

Waning Crescent 10%

01:46

17:45

22 Good
23 Good
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 Good
08 Good
09 Good
10 Good
11 Good
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Good
20 Good
21 Good

Sun - Rise: 05:21, Set: 19:18, Transit: 12:19. Moon - Rise: 01:46, Set: 17:45. Civil Dark: 19:47 - 04:52. Nautical Dark: 20:23 - 04:16. Astro Dark: 21:01 - 03:37

Total Clouds (% Sky Obscured)

15
18
19
22
24
24
26
26
24
14
5
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

10
11
12
14
14
16
17
21
20
12
5
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
3
3
3
2
2
1
2
2
2
2
3
3
3
5
6
6
7
7
5
4
3
4

Chance of Frost

Temperature (°C)

25
25
24
23
23
23
22
22
22
23
24
26
28
29
31
31
32
32
32
32
31
30
28
27

Feels Like (°C)

27
28
27
26
26
25
25
25
25
26
27
29
30
32
33
33
34
34
34
34
34
34
32
31

Dew Point (°C)

17
17
16
15
14
14
14
14
14
14
14
14
14
14
14
15
15
16
16
16
17
18
18
19

Relative Humidity (%)

59
61
59
57
56
57
58
59
61
57
51
47
42
38
37
36
36
37
38
39
43
50
54
60

Pressure (mb)

1010
1010
1010
1010
1009
1009
1009
1009
1010
1010
1010
1010
1010
1009
1008
1008
1007
1006
1006
1006
1006
1006
1007
1007

Ozone (du)

300
299
299
298
298
296
296
296
296
297
297
295
295
295
295
296
295
296
296
296
296
296
296
295

Monday 10

Waning Crescent 4%

03:02

18:30

22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:22, Set: 19:16, Transit: 12:19. Moon - Rise: 03:02, Set: 18:30. Civil Dark: 19:46 - 04:53. Nautical Dark: 20:21 - 04:17. Astro Dark: 21:00 - 03:38

Total Clouds (% Sky Obscured)

21
58
65
65
65
65
60
66
76
75
63
50
55
66
81
74
97
53
93
58
100
100
100
100

Low Clouds (% Sky Obscured)

0
5
15
18
23
29
33
44
61
68
62
48
49
62
64
46
38
29
33
27
25
26
26
33

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
28
35
37
63
50
55
62
54
47
42
46
48
47
43
43
54
77

High Clouds (% Sky Obscured)

17
45
55
60
60
60
60
60
60
55
51
46
45
45
40
49
96
45
91
53
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
2
8
9
9
9
9
3
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
10
23
29
34
45
58
64
64
87
95
94
70
75
86
95
95
95
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.3
0.7
1.2
0.9
0.4
0.4
0.5
0.7
1.5
0.5
0.5

Wind Speed/Direction (mph)

3
3
2
2
2
2
2
2
2
3
2
3
3
3
3
3
3
4
4
4
4
3
3
3

Chance of Frost

Temperature (°C)

26
26
25
25
24
24
24
24
24
24
25
26
27
27
27
26
27
27
27
26
26
25
25
25

Feels Like (°C)

30
30
29
29
29
29
29
29
29
29
29
30
32
33
30
30
32
31
31
28
29
27
28
28

Dew Point (°C)

19
18
18
19
19
20
21
22
21
21
20
19
18
17
16
19
20
19
17
16
16
18
22
22

Relative Humidity (%)

62
63
66
69
73
79
84
87
85
79
71
64
57
52
50
62
66
62
55
54
55
67
86
87

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1007
1007

Ozone (du)

294
295
296
296
297
297
298
297
298
298
299
299
299
299
299
298
297
298
297
297
297
296
296
297

Tuesday 11

Waning Crescent 1%

04:21

19:05

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:23, Set: 19:15, Transit: 12:19. Moon - Rise: 04:21, Set: 19:05. Civil Dark: 19:44 - 04:54. Nautical Dark: 20:20 - 04:18. Astro Dark: 20:58 - 03:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

32
35
31
59
47
82
95
95
95
95
96
95
93
93
96
96
91
91
94
94
95
91
91
82

Medium Clouds (% Sky Obscured)

100
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
98
99

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
4
9
9
9
9
9
4
3
2
2
3
3
4
7
4
2
3
5
6
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

75
78
83
85
80
92
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.5
0.5
0.5
0.4
0.3
0.4
1.3
2.7
3.3
4.3
5.2
2.8
2
1.3
2.1
2.5
2.9
2
1.3
2.8
1.2
0.3
0.5
0.9

Wind Speed/Direction (mph)

3
3
3
3
4
3
4
4
3
4
4
4
4
4
3
5
4
4
4
4
3
2
2
3

Chance of Frost

Temperature (°C)

24
24
24
24
24
24
24
23
23
23
23
23
23
24
24
24
23
22
22
22
22
22
22
22

Feels Like (°C)

28
28
28
27
26
26
26
26
27
27
27
26
26
27
27
27
26
26
25
25
25
24
24
23

Dew Point (°C)

22
23
23
22
21
20
20
22
23
23
23
23
23
23
23
23
22
21
21
21
21
20
20
20

Relative Humidity (%)

88
89
92
87
83
80
78
91
95
97
98
98
97
97
97
95
97
95
92
94
94
92
91
92

Pressure (mb)

1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1006
1007
1007
1007
1007
1008
1008

Ozone (du)

297
296
297
295
293
292
292
291
291
291
291
292
291
291
291
291
291
290
290
289
289
290
291
292

Wednesday 12

Waning Crescent 0%

05:39

19:34

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:24, Set: 19:14, Transit: 12:19. Moon - Rise: 05:39, Set: 19:34. Civil Dark: 19:43 - 04:55. Nautical Dark: 20:18 - 04:19. Astro Dark: 20:56 - 03:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
90
92
95
95
95
95
91
84
79
79
79
79
81
87
94
93
92
92
91
92
92
92
93

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96

ISS Passover

Visibility (miles)

9
9
7
4
4
3
3
3
3
3
3
3
4
4
4
4
4
3
3
3
4
3
3
5

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

1.1
1.4
1.9
2.1
3.4
4
4.8
3.8
3.6
3.4
3
2.4
1.9
1.8
1.4
1.1
1.2
1.1
1.1
1.1
1.1
1
0.7
0.6

Wind Speed/Direction (mph)

4
5
6
6
7
6
5
5
5
5
5
6
7
7
7
7
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

21
21
21
21
21
21
21
21
21
21
21
21
22
22
22
22
22
23
23
23
22
22
22
21

Feels Like (°C)

23
23
23
23
23
22
22
22
23
22
23
23
23
24
23
24
24
24
25
25
25
24
24
24

Dew Point (°C)

21
20
21
20
21
20
21
20
20
21
21
21
21
22
22
22
22
22
23
23
22
22
21
21

Relative Humidity (%)

95
94
95
95
98
96
98
96
96
98
98
98
98
98
98
96
98
98
98
100
98
100
98
98

Pressure (mb)

1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1008
1008

Ozone (du)

292
291
290
290
290
291
292
292
291
291
291
291
291
290
289
289
288
287
288
290
291
291
290
291

Thursday 13

New Moon 3%

06:53

20:00

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:25, Set: 19:13, Transit: 12:19. Moon - Rise: 06:53, Set: 20:00. Civil Dark: 19:41 - 04:56. Nautical Dark: 20:17 - 04:20. Astro Dark: 20:54 - 03:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
92

Low Clouds (% Sky Obscured)

93
94
94
91
92
92
92
87
87
82
79
75
79
78
75
67
75
70
62
62
62
59
62
56

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
98
98
99
97
92

High Clouds (% Sky Obscured)

93
95
98
100
100
100
72
100
100
100
66
99
83
100
98
83
62
54
47
40
39
42
58
72

ISS Passover

Visibility (miles)

5
6
6
4
8
9
9
9
9
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.6
0.8
0.9
0.9
0.7
0.7
0.7
0.7
0.8
0.9
0.8
0.8
0.7
0.8
0.8
0.8
0.7
1.3
1.9
1.6
1.2
0.7
0.9
1

Wind Speed/Direction (mph)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
6
5
5
5
4

Chance of Frost

Temperature (°C)

21
21
21
21
21
21
21
21
21
21
21
21
21
22
22
22
22
24
23
23
23
23
23
23

Feels Like (°C)

24
23
23
23
23
23
23
23
23
23
23
23
24
25
25
25
26
27
27
26
26
26
26
26

Dew Point (°C)

21
21
21
21
21
21
21
21
21
20
20
20
20
21
21
21
21
23
22
22
22
22
22
22

Relative Humidity (%)

98
98
98
98
98
98
98
98
98
96
96
95
94
95
96
94
94
92
94
94
95
94
94
94

Pressure (mb)

1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1007
1007
1007
1007
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

291
292
293
294
295
296
298
297
297
297
297
297
298
298
298
298
296
297
297
298
298
298
298
300

Friday 14

Waxing Crescent 8%

08:04

20:23

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:26, Set: 19:11, Transit: 12:18. Moon - Rise: 08:04, Set: 20:23. Civil Dark: 19:40 - 04:57. Nautical Dark: 20:15 - 04:22. Astro Dark: 20:53 - 03:44

Total Clouds (% Sky Obscured)

87
70
51
34
39
49
53
58
59
64
65
66
67
61
46
49
47
45
52
55
54
49
41
46

Low Clouds (% Sky Obscured)

49
45
41
34
39
30
48
50
48
46
32
21
22
18
9
22
30
33
39
33
25
17
19
25

Medium Clouds (% Sky Obscured)

87
70
51
34
39
43
48
48
43
38
38
32
26
21
20
20
20
24
28
34
34
35
35
35

High Clouds (% Sky Obscured)

82
66
45
30
30
49
53
48
34
17
37
55
57
47
40
43
43
45
52
55
50
49
40
37

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
88
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

1.2
1.4
1.1
1.2
1.4
1.4
1.3
1.5
1.7
1.9
1.4
0.9
0.5
1.1
1.6
1.9
1.7
1.3
0.7
0.6
0.4
0.3
0.6
0.7

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
5
5
5
5
5
5
5
4
3
4
4
5
6
5
5
5
4

Chance of Frost

Temperature (°C)

23
23
23
22
22
22
22
22
23
23
23
24
24
25
25
25
25
25
25
26
26
25
25
25

Feels Like (°C)

26
26
26
26
26
27
27
27
27
27
26
28
27
26
26
26
26
31
30
30
31
32
32
28

Dew Point (°C)

22
22
22
22
22
21
22
21
21
21
20
19
18
17
16
15
14
15
16
17
18
20
21
21

Relative Humidity (%)

95
95
95
95
96
95
96
95
92
87
83
74
68
61
57
54
51
53
54
57
63
70
78
79

Pressure (mb)

1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1005
1005
1004
1004
1004
1004
1003
1003
1003
1003
1003
1004
1004
1004

Ozone (du)

301
303
303
304
305
305
306
306
308
309
310
310
310
310
310
310
310
310
310
309
309
309
309
309

Saturday 15

Waxing Crescent 15%

09:12

20:46

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:27, Set: 19:10, Transit: 12:18. Moon - Rise: 09:12, Set: 20:46. Civil Dark: 19:39 - 04:58. Nautical Dark: 20:14 - 04:23. Astro Dark: 20:51 - 03:45

Total Clouds (% Sky Obscured)

51
63
78
91
85
81
73
67
56
50
45
50
55
60
70
75
80
85
85
80
80
70

Low Clouds (% Sky Obscured)

30
47
61
73
66
59
52
43
31
18
11
11
11
17
16
17
17
17
17
16
12
11

Medium Clouds (% Sky Obscured)

30
20
19
19
13
12
14
15
19
20
24
25
30
30
30
35
37
34
35
35
32
31

High Clouds (% Sky Obscured)

40
40
40
45
50
55
55
55
45
40
40
40
40
40
40
35
40
30
25
20
20
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
82
83
80
75
72
69
57
59
58
53
62
60
55

Precipitation Amount (mm)

0.7
0.7
0.6
0.5
0.9
1.1
1.4
0.9
0.5
0.3
0.3
0.3
0.3
0.3
0.3
0
0
0
0
0.3
0.3
0.2

Wind Speed/Direction (mph)

4
4
4
4
4
5
5
6
6
6
6
6
6
7
6
6
6
5
5
5
5
4

Chance of Frost

Temperature (°C)

24
24
24
24
23
23
23
23
24
24
25
26
26
27
28
28
29
29
29
28
27
26

Feels Like (°C)

28
28
29
29
28
26
27
27
27
26
26
31
30
29
30
30
30
34
34
33
33
34

Dew Point (°C)

21
21
21
21
21
21
20
21
21
21
21
20
19
19
18
18
17
18
19
19
20
22

Relative Humidity (%)

80
82
82
84
84
85
84
85
83
80
78
71
65
59
56
53
49
52
54
56
64
75

Pressure (mb)

1004
1005
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1005
1005

Ozone (du)

310
311
310
309
308
309
309
310
310
310
311
311
311
312
312
313
313
313
312
312
312
312

Forecast for Wangfujing, China (39.90,116.41)

Generated: 09/08/26 22:57:50. Forecast: 09/08/26 to 15/08/26. Timezone: UTC+8.00