Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 9

Waning Crescent 10%

01:46

16:50

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

Sun - Rise: 05:21, Set: 19:19, Transit: 12:19. Moon - Rise: 01:46, Set: 16:50. Civil Dark: 19:48 - 04:52. Nautical Dark: 20:24 - 04:16. Astro Dark: 21:03 - 03:37

Total Clouds (% Sky Obscured)

35
35
27
11
0
0
0
0
0
2
18
23
23
15
15
17
17
0
0
9
4
0
0
6

Low Clouds (% Sky Obscured)

16
16
13
5
0
0
0
0
0
2
18
23
23
15
14
13
11
0
0
6
3
0
0
5

Medium Clouds (% Sky Obscured)

19
19
13
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
12
12
13
13
13
14
15
16
16
16
16
15
14
13
13
13
12
12
12
12
12
13

Relative Humidity (%)

33
32
31
31
31
32
34
37
43
49
52
55
56
54
52
53
54
55
54
53
49
44
40
36

Pressure (mb)

1011
1010
1010
1009
1008
1008
1008
1008
1008
1009
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1010
1009
1009

Ozone (du)

298
298
299
300
300
301
303
303
302
301
298
298
296
297
296
296
295
294
294
294
294
294
294
294

Monday 10

Waning Crescent 4%

03:02

17:45

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

Sun - Rise: 05:22, Set: 19:18, Transit: 12:19. Moon - Rise: 03:02, Set: 17:45. Civil Dark: 19:47 - 04:53. Nautical Dark: 20:23 - 04:17. Astro Dark: 21:01 - 03:38

Total Clouds (% Sky Obscured)

19
15
0
0
0
0
60
55
55
34
32
52
55
40
42
44
39
45
56
62
70
74
72
84

Low Clouds (% Sky Obscured)

13
11
0
0
0
0
0
0
20
31
32
34
39
35
31
31
29
27
48
55
61
66
60
72

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
20
23
28
18
36
24
18
29
27
39
51

High Clouds (% Sky Obscured)

0
0
0
0
0
0
60
55
55
20
0
36
45
10
0
0
0
0
0
1
1
50
53
47

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
5
11
21
12
17
23
33
42
50
60
75

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

33
33
33
34
34
34
34
34
35
33
33
32
31
32
32
32
31
31
31
30
30
30
31
31

Dew Point (°C)

12
12
13
14
15
15
16
17
19
20
20
20
20
21
22
23
23
23
23
23
22
21
19
17

Relative Humidity (%)

32
30
30
31
32
34
37
41
48
55
59
62
67
72
77
82
84
88
88
88
82
73
64
55

Pressure (mb)

1009
1008
1007
1007
1006
1006
1005
1005
1006
1006
1007
1007
1007
1007
1007
1007
1006
1006
1007
1007
1007
1007
1007
1007

Ozone (du)

295
295
294
295
297
298
296
296
296
296
295
294
294
293
295
296
296
296
296
295
296
298
299
299

Tuesday 11

Waning Crescent 4%

04:21

18:30

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
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

Sun - Rise: 05:23, Set: 19:16, Transit: 12:19. Moon - Rise: 04:21, Set: 18:30. Civil Dark: 19:46 - 04:54. Nautical Dark: 20:21 - 04:18. Astro Dark: 21:00 - 03:40

Total Clouds (% Sky Obscured)

100
96
100
100
93
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
49
52
55
43
39
28
23
23
21
37
53
31
50
36
63
86
97
97
96
97
97
95
96

Medium Clouds (% Sky Obscured)

46
47
53
82
78
90
86
85
78
89
89
83
90
98
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
91
100
100
85
100
85
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

8
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
4
2
2
3
2

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

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

Precipitation Probability (%)

72
73
76
86
95
77
73
64
58
51
51
51
60
83
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.3
0.3
0.3
0.4
1.1
0.2
0
0
0.2
0
0
0
0
0.4
0.6
2.1
1.5
2.9
3.6
4.4
5.8
3.1
3.4
4.1

Wind Speed/Direction (mph)

3
5
6
6
8
8
6
7
6
5
4
4
4
5
5
5
5
5
6
8
7
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

31
31
31
31
30
30
29
29
28
28
27
27
27
27
26
27
27
28
27
27
27
27
27
26

Dew Point (°C)

17
20
18
18
17
17
17
18
18
18
18
18
19
18
18
18
20
22
23
23
23
23
23
23

Relative Humidity (%)

52
59
51
50
49
48
52
56
61
63
62
64
69
67
68
69
79
91
94
97
95
97
97
97

Pressure (mb)

1007
1006
1006
1006
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

297
295
296
295
296
295
295
295
296
295
294
295
294
293
292
290
290
290
289
290
290
290
290
290

Wednesday 12

Waning Crescent 1%

05:39

19:05

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
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

Sun - Rise: 05:24, Set: 19:15, Transit: 12:19. Moon - Rise: 05:39, Set: 19:05. Civil Dark: 19:44 - 04:55. Nautical Dark: 20:20 - 04:19. Astro Dark: 20:58 - 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)

90
96
96
96
96
95
91
91
81
76
91
91
90
90
94
94
95
95
95
96
96
97
99
100

Medium 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

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
84
73
73
74
75
66
60
57

ISS Passover

Visibility (miles)

3
2
1
2
4
6
9
9
9
9
9
9
9
9
7
7
2
3
5
4
2
1
2
2

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

Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Heavy Rain
Heavy Rain
Heavy Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate 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)

5.5
6.9
7.9
8
8
7.6
7.4
6.8
6.7
3.9
3.1
1.8
4.1
4.7
5.6
10
12.4
13.2
3.8
3.8
4.7
6
7.2
8.2

Wind Speed/Direction (mph)

10
10
11
12
11
10
10
11
11
11
12
13
13
12
11
10
10
10
9
10
11
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

26
26
26
26
26
26
25
25
24
24
24
23
23
22
22
22
21
21
21
21
21
22
21
21

Dew Point (°C)

23
23
23
23
22
22
22
22
21
21
21
20
18
18
19
19
20
20
20
20
20
20
20
20

Relative Humidity (%)

97
98
98
97
95
95
95
95
94
91
91
87
81
79
86
92
95
96
96
96
96
98
98
96

Pressure (mb)

1003
1003
1002
1002
1002
1002
1002
1002
1002
1003
1003
1002
1002
1002
1001
1001
1001
1001
1001
1001
1000
1000
1000
1000

Ozone (du)

290
290
290
289
289
289
289
288
287
288
288
288
287
287
286
285
286
287
287
287
286
284
283
283

Thursday 13

New Moon 0%

06:53

19:34

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
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

Sun - Rise: 05:25, Set: 19:14, Transit: 12:19. Moon - Rise: 06:53, Set: 19:34. Civil Dark: 19:43 - 04:56. Nautical Dark: 20:18 - 04:20. Astro Dark: 20:56 - 03:43

Total Clouds (% Sky Obscured)

100
99
99
99
100
100
100
100
100
100
100
100
98
96
95
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
98
95
97
98
100
98
96
93
92
91
90
90
89
88
81
84
90
87
85
83
82
84
86

Medium Clouds (% Sky Obscured)

99
98
97
98
99
100
100
100
100
100
100
100
92
83
75
98
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

56
59
59
49
42
35
35
40
40
40
40
44
37
45
45
96
93
89
95
98
100
100
100
100

ISS Passover

Visibility (miles)

2
2
4
3
3
2
3
3
1
9
3
3
1
2
2
3
3
3
3
2
2
1
3
4

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

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
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate 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)

6.8
6.6
5.6
2.8
2.7
1.7
1.7
1.9
0.8
0.7
1.1
1.8
1.5
1.4
0.9
1
0.9
0.9
1.7
2.5
3.4
3.1
2.7
2.3

Wind Speed/Direction (mph)

10
10
10
9
9
9
9
8
7
7
5
5
5
5
5
5
7
8
8
7
7
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
96
98
98
96
96
98
98
98
98
98
98
98
98
98
98
98
98

Pressure (mb)

1000
1000
1000
1000
1001
1001
1001
1001
1002
1002
1003
1003
1003
1003
1003
1003
1004
1003
1003
1004
1004
1005
1005
1006

Ozone (du)

282
282
282
282
283
284
285
284
282
284
281
281
280
280
279
279
279
278
278
279
279
280
279
278

Friday 14

Waxing Crescent 3%

08:04

20:00

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
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

Sun - Rise: 05:26, Set: 19:13, Transit: 12:19. Moon - Rise: 08:04, Set: 20:00. Civil Dark: 19:41 - 04:57. Nautical Dark: 20:17 - 04:22. Astro Dark: 20:54 - 03:44

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)

87
88
88
88
91
87
82
77
73
80
88
90
92
94
90
90
91
91
91
92
93
94
93
92

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
77
63

High Clouds (% Sky Obscured)

100
100
100
92
89
85
92
97
100
98
95
87
84
82
83
89
94
99
90
76
64
65
72
81

ISS Passover

Visibility (miles)

6
7
8
9
7
4
2
2
3
4
3
3
3
3
2
2
2
2
2
2
2
3
5
7

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
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate 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)

2.2
1.7
1
1
1
1.1
1.2
1.3
1.4
1.6
1.9
2.4
2.3
2.2
2
2.4
2.9
3.3
3.8
4
4
3.1
2.2
1.3

Wind Speed/Direction (mph)

5
6
6
7
7
7
7
6
6
6
6
6
6
6
7
8
8
8
8
7
7
8
7
7

Chance of Frost

Temperature (°C)

21
22
22
22
22
22
22
22
22
21
21
21
21
22
22
22
22
22
22
21
21
21
21
21

Feels Like (°C)

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

Dew Point (°C)

21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20

Relative Humidity (%)

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

Pressure (mb)

1006
1006
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1005
1005
1004
1004
1004
1004
1005
1005
1005
1005
1006

Ozone (du)

277
277
277
277
277
277
277
277
276
276
276
277
277
277
277
278
279
280
281
282
284
286
286
287

Saturday 15

Waxing Crescent 8%

09:12

20:23

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

Sun - Rise: 05:27, Set: 19:11, Transit: 12:18. Moon - Rise: 09:12, Set: 20:23. Civil Dark: 19:40 - 04:58. Nautical Dark: 20:15 - 04:23. Astro Dark: 20:53 - 03:45

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

Low Clouds (% Sky Obscured)

91
91
88
90
92
94
93
93
93
97
98
98
97
97
97
97
97
97
97
97
96

Medium Clouds (% Sky Obscured)

70
82
95
94
94
94
81
71
59
69
76
84
71
58
48
48
45
46
49
48
51

High Clouds (% Sky Obscured)

87
94
100
95
91
86
91
94
100
100
100
100
86
72
55
58
51
48
37
30
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
3
5
7
9
7
6
4
4
4
4
6
8

Fog (%)

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
Ice pellet
Ice pellet
Ice pellet
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

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

Precipitation Amount (mm)

1.5
1.6
1.5
1.4
1.1
0.7
0.7
0.8
0.8
0.9
1.1
1.2
1.4
1.6
1.6
1.6
1.8
2.2
2.3
2.1
2.8

Wind Speed/Direction (mph)

7
7
7
7
6
5
5
5
5
5
5
5
6
6
6
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

21
21
21
21
21
21
21
22
21
21
21
22
22
22
22
22
22
22
22
22
22

Feels Like (°C)

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

Dew Point (°C)

21
21
20
20
20
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21

Relative Humidity (%)

96
95
96
96
96
96
95
96
96
96
96
96
96
98
96
98
98
96
96
96
95

Pressure (mb)

1006
1005
1005
1005
1005
1005
1004
1005
1005
1005
1005
1005
1004
1004
1004
1003
1003
1003
1003
1003
1003

Ozone (du)

287
287
287
286
287
287
288
287
287
286
287
289
290
291
292
293
293
293
294
294
295

Forecast for Wangfujing, China (39.90,116.41)

Generated: 09/08/26 11:41:01. Forecast: 09/08/26 to 15/08/26. Timezone: UTC+8.00