Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 21

Waning Crescent 34%

01:32

12:39

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 OK
09 OK
10 Good

Sun - Rise: 05:22, Set: 18:46, Transit: 12:04. Moon - Rise: 01:32, Set: 12:39. Civil Dark: 19:11 - 04:57. Nautical Dark: 19:40 - 04:28. Astro Dark: 20:11 - 03:57

Total Clouds (% Sky Obscured)

84
50
45
61
97
98
59
55
58
64
100
100
100
100
100
100
100
64
73
46
81
42
40
6

Low Clouds (% Sky Obscured)

0
1
3
4
2
3
3
1
0
0
0
0
0
0
2
5
7
6
3
2
1
1
0
0

Medium Clouds (% Sky Obscured)

37
32
24
46
88
76
30
31
29
24
17
28
48
42
7
3
49
28
5
4
2
2
2
2

High Clouds (% Sky Obscured)

84
11
5
0
60
71
59
55
58
64
100
100
100
100
100
99
100
51
63
35
77
36
40
3

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
2
1
1
12
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)

10
11
13
14
12
10
11
10
9
8
7
7
7
7
6
5
4
4
3
3
3
3
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

32
33
31
30
31
31
31
31
31
31
30
29
29
29
29
29
30
30
30
30
31
32
33
34

Dew Point (°C)

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

Relative Humidity (%)

72
69
71
76
83
83
81
86
87
88
90
90
91
91
92
91
91
91
91
90
86
82
79
75

Pressure (mb)

1011
1010
1009
1009
1008
1008
1008
1008
1008
1009
1009
1009
1009
1008
1008
1007
1007
1007
1007
1008
1008
1009
1009
1008

Ozone (du)

291
290
290
292
294
293
293
292
290
289
288
287
286
284
283
284
285
286
288
288
288
288
290
292

Thursday 22

Waning Crescent 23%

02:07

13:38

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 OK
09 OK
10 Bad

Sun - Rise: 05:22, Set: 18:46, Transit: 12:04. Moon - Rise: 02:07, Set: 13:38. Civil Dark: 19:11 - 04:57. Nautical Dark: 19:41 - 04:27. Astro Dark: 20:11 - 03:56

Total Clouds (% Sky Obscured)

42
75
72
74
73
100
100
100
100
98
100
100
100
100
97
100
80
100
57
97
95
19
37
50

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
18
27
22
31
48
53
50
57
53
42
44
63
57
8
56
0
7
13

Medium Clouds (% Sky Obscured)

2
2
0
1
0
0
7
2
2
0
0
1
1
1
1
0
0
0
0
1
2
0
2
2

High Clouds (% Sky Obscured)

42
68
62
64
63
100
100
100
100
95
100
100
100
100
91
100
65
100
22
96
95
18
28
43

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 (%)

1
1
2
1
3
5
7
5
5
2
1
0
0
0
0
0
0
0
0
1
3
5
2
2

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
8
8
10
10
10
10
10
8
7
7
6
6
5
5
5
5
5
5
5
7
9
11
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

36
35
35
34
34
31
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
31

Dew Point (°C)

25
25
25
25
26
26
25
25
26
25
25
25
25
25
25
26
26
26
26
26
25
25
25
25

Relative Humidity (%)

71
70
70
74
79
81
82
87
90
90
90
91
92
94
94
95
97
95
97
97
91
86
81
77

Pressure (mb)

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

Ozone (du)

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

Friday 23

Waning Crescent 14%

02:43

14:40

11 Bad
12 Bad
13 Bad
14 Bad
15 OK
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: 05:21, Set: 18:47, Transit: 12:04. Moon - Rise: 02:43, Set: 14:40. Civil Dark: 19:12 - 04:56. Nautical Dark: 19:41 - 04:27. Astro Dark: 20:12 - 03:56

Total Clouds (% Sky Obscured)

48
48
47
45
24
62
88
100
100
100
100
100
100
100
99
100
100
98
100
100
100
97
94
88

Low Clouds (% Sky Obscured)

14
12
7
8
10
12
12
6
7
7
16
20
17
20
27
29
23
17
18
16
13
10
6
2

Medium Clouds (% Sky Obscured)

3
0
0
4
3
3
3
3
3
4
3
3
4
4
16
4
4
13
57
72
70
32
30
19

High Clouds (% Sky Obscured)

35
37
40
36
17
57
85
100
100
100
100
100
100
100
97
100
100
98
100
100
100
93
87
78

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

3
4
5
11
7
8
10
8
7
3
4
35
95
95
77
69
35
13
16
28
47
53
49
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
1.7
1.5
0.9
0.9
0
0
0
0
0.2
0.3
0
0

Wind Speed/Direction (mph)

14
17
18
19
19
19
18
16
15
13
12
10
9
8
6
7
5
5
5
4
4
5
4
5

Chance of Frost

Temperature (°C)

30
30
30
29
29
28
28
27
27
27
27
27
27
27
27
27
27
27
27
27
27
28
29
29

Feels Like (°C)

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

Dew Point (°C)

25
25
25
25
25
25
25
25
25
25
25
25
26
26
26
25
25
25
25
25
25
25
25
26

Relative Humidity (%)

75
75
77
79
81
82
85
87
87
87
88
91
95
95
92
92
91
91
90
90
86
83
82
82

Pressure (mb)

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

Ozone (du)

293
291
290
290
290
289
289
289
289
289
290
291
291
290
289
289
289
289
290
290
291
291
290
290

Saturday 24

Waning Crescent 6%

03:22

15:44

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: 05:21, Set: 18:47, Transit: 12:04. Moon - Rise: 03:22, Set: 15:44. Civil Dark: 19:12 - 04:56. Nautical Dark: 19:42 - 04:26. Astro Dark: 20:13 - 03:56

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

22
42
66
74
78
85
86
90
93
94
95
97
75
64
93
95
97
98
97
96
95
95
96
97

Medium Clouds (% Sky Obscured)

87
94
95
98
97
100
98
99
99
99
98
97
96
96
96
97
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

72
93
100
100
99
100
94
88
80
80
77
75
78
82
86
77
70
58
62
63
68
77
86
95

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

78
95
95
95
95
95
95
95
95
85
68
42
43
40
41
42
53
57
70
62
65
58
52
51

Precipitation Amount (mm)

0.3
0.7
0.9
0.8
0.9
1.1
1.1
1
0.6
0.5
0.3
0
0
0
0.2
0
0.2
0
0.4
0.2
0.3
0.2
0
0

Wind Speed/Direction (mph)

4
4
10
12
13
16
15
14
14
12
12
14
14
13
12
11
11
10
10
10
10
11
12
12

Chance of Frost

Temperature (°C)

30
29
29
28
27
27
26
26
26
25
25
25
25
24
24
24
24
24
24
24
24
24
24
24

Feels Like (°C)

34
34
29
28
26
24
24
24
24
24
23
23
23
24
24
24
24
24
24
24
24
24
23
23

Dew Point (°C)

27
27
27
27
26
25
25
24
24
24
23
23
22
22
23
22
22
22
22
22
22
22
22
22

Relative Humidity (%)

85
85
88
94
91
90
91
91
91
90
91
89
87
88
89
87
87
91
89
89
89
89
89
88

Pressure (mb)

1008
1007
1007
1008
1008
1008
1009
1009
1010
1011
1012
1012
1013
1012
1012
1011
1011
1012
1012
1012
1013
1013
1014
1014

Ozone (du)

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

Sunday 25

Waning Crescent 2%

04:07

16:51

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: 05:21, Set: 18:48, Transit: 12:04. Moon - Rise: 04:07, Set: 16:51. Civil Dark: 19:13 - 04:56. Nautical Dark: 19:43 - 04:26. Astro Dark: 20:13 - 03:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
97
99
100
100
100
100
100
100
100
100
100
99
99
99
99
99

Low Clouds (% Sky Obscured)

97
96
96
96
95
97
82
72
85
96
96
96
95
74
41
59
53
46
55
66
76
76
74
71

Medium Clouds (% Sky Obscured)

100
100
100
99
98
98
98
83
74
44
99
99
99
100
100
100
100
100
94
89
85
90
92
92

High Clouds (% Sky Obscured)

92
88
85
89
95
100
90
79
69
67
64
62
68
74
80
99
98
97
76
54
33
41
53
65

ISS Passover

Visibility (miles)

5
3
8
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

70
69
78
76
68
68
60
52
43
47
48
44
78
87
82
19
20
19
25
28
31
29
26
19

Precipitation Amount (mm)

0.5
0.6
0.8
0.6
0.3
0.3
0.2
0
0
0
0
0
0.4
0.5
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
13
13
12
12
13
14
15
15
15
15
15
15
13
13
11
10
10
9
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
23
22
22
23
22
22
21
21
21
20
20
19
19
19
19
20
20
20
21
21
22
20
21

Dew Point (°C)

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

Relative Humidity (%)

89
91
88
87
88
85
83
80
79
78
76
76
76
74
70
70
71
71
70
75
79
83
81
80

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016

Ozone (du)

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

Monday 26

Waning Crescent 2%

04:58

18:02

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: 05:21, Set: 18:48, Transit: 12:05. Moon - Rise: 04:58, Set: 18:02. Civil Dark: 19:13 - 04:56. Nautical Dark: 19:43 - 04:26. Astro Dark: 20:14 - 03:55

Total Clouds (% Sky Obscured)

98
98
98
99
99
100
100
100
100
97
94
91
90
89
88
92
96
100
94
88
82
86
88
91

Low Clouds (% Sky Obscured)

61
50
38
42
46
52
41
29
15
11
9
7
5
3
1
1
2
3
6
9
10
14
19
21

Medium Clouds (% Sky Obscured)

91
90
89
93
96
100
81
62
42
55
70
85
81
76
71
78
89
100
91
83
74
69
66
62

High Clouds (% Sky Obscured)

61
57
54
69
85
100
100
100
100
74
48
22
36
50
64
76
88
100
71
42
13
26
40
53

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 (%)

19
15
2
5
5
1
2
2
1
1
0
0
0
0
0
0
0
0
1
1
1
4
5
4

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)

10
10
11
11
11
10
10
9
9
9
8
8
8
7
7
6
7
7
8
8
9
9
10
10

Chance of Frost

Temperature (°C)

23
23
23
23
23
23
23
23
23
22
22
22
22
22
22
22
22
22
22
22
22
23
23
23

Feels Like (°C)

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

Dew Point (°C)

19
19
19
19
19
19
19
19
19
19
19
18
18
18
18
18
18
18
18
18
18
18
18
19

Relative Humidity (%)

78
78
78
78
79
79
80
80
81
81
81
80
80
79
79
79
79
79
80
78
76
74
74
75

Pressure (mb)

1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1014
1014
1013
1013
1013
1013
1014
1014
1015
1015
1015

Ozone (du)

293
292
291
290
290
290
291
292
293
294
294
294
293
293
292
292
292
292
293
293
293
293
293
293

Tuesday 27

New Moon 0%

05:57

19:14

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: 05:20, Set: 18:49, Transit: 12:05. Moon - Rise: 05:57, Set: 19:14. Civil Dark: 19:14 - 04:55. Nautical Dark: 19:44 - 04:25. Astro Dark: 20:15 - 03:54

Total Clouds (% Sky Obscured)

92
93
95
95
96
97
97
98
99
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
18
21
15
10
5
8
12
19
32
42
56
56
53
44
54
67
75
77
80
81

Medium Clouds (% Sky Obscured)

69
75
82
85
87
90
82
73
63
73
82
92
92
91
90
92
94
96
96
96
96

High Clouds (% Sky Obscured)

60
67
74
79
83
87
90
94
97
98
99
100
100
100
100
100
100
100
100
100
100

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

Fog (%)

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

Precipitation Probability (%)

6
5
0
0
0
0
0
1
0
7
8
5
19
26
30
28
27
30
30
27
24

Precipitation Amount (mm)

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)

10
11
11
12
11
10
9
9
9
10
10
10
9
9
9
8
8
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

19
19
19
19
19
19
20
19
19
19
18
18
18
18
18
18
18
18
18
18
18

Relative Humidity (%)

75
73
70
68
71
73
77
77
78
78
78
78
78
78
78
76
78
78
77
76
75

Pressure (mb)

1015
1014
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1012
1011
1011
1011
1011
1011
1011

Ozone (du)

293
294
295
295
296
297
297
297
296
295
295
294
293
293
292
292
291
291
290
290
290

Forecast for Jiangjun’ao, China (24.00,118.00)

Generated: 21/05/25 11:15:28. Forecast: 21/05/25 to 27/05/25. Timezone: UTC+8.00