Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 21

Waning Crescent 45%

00:57

No Set

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
11 Bad

Sun - Rise: 05:22, Set: 18:45, Transit: 12:04. Moon - Rise: 00:57, Set: No Set. Civil Dark: 19:10 - 04:58. Nautical Dark: 19:40 - 04:28. Astro Dark: 20:10 - 03:57

Total Clouds (% Sky Obscured)

60
79
77
100
89
82
100
100
88
59
92
61
88
99
99
100
95
100
100
95
64
72
100
84

Low Clouds (% Sky Obscured)

9
5
5
4
5
1
0
0
2
3
6
6
12
14
14
16
16
9
12
7
3
1
0
1

Medium Clouds (% Sky Obscured)

26
18
27
33
22
29
6
26
25
7
3
4
10
13
14
29
31
24
83
70
39
35
33
42

High Clouds (% Sky Obscured)

42
73
65
100
76
72
100
100
64
40
85
37
62
97
96
100
96
100
100
70
64
72
100
84

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
44
0
0
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

25
24
24
24
24
24
24
24
24
24
24
25
25
24
24
24
24
24
25
24
24
24
24
24

Relative Humidity (%)

92
91
90
89
88
88
88
88
89
90
90
92
92
92
92
92
91
91
91
87
83
76
74
72

Pressure (mb)

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

Ozone (du)

290
290
290
289
290
289
289
287
287
290
291
290
287
285
285
285
285
285
284
285
287
288
288
289

Thursday 22

Waning Crescent 34%

01:32

12:39

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 OK
07 OK
08 OK
09 OK
10 Bad
11 Bad

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)

61
78
93
94
100
100
100
95
82
100
100
100
92
100
72
86
82
56
46
32
36
40
96
100

Low Clouds (% Sky Obscured)

1
0
0
0
0
1
1
1
0
0
0
0
1
2
3
6
4
1
0
0
3
2
1
2

Medium Clouds (% Sky Obscured)

29
28
83
77
71
70
41
30
36
16
52
39
9
54
36
49
8
16
8
32
36
35
28
2

High Clouds (% Sky Obscured)

61
78
52
78
98
100
100
95
82
100
100
100
88
98
49
52
74
37
45
32
12
40
96
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
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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 (%)

3
4
2
1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
2
2
2
0
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)

12
12
12
12
12
11
10
9
8
7
7
6
6
5
4
3
3
2
2
2
3
3
4
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
76
76
79
82
86
87
87
88
88
90
90
90
88
88
90
91
88
86
82
80
78
75

Pressure (mb)

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

Ozone (du)

289
288
290
292
291
292
291
290
288
286
286
285
285
284
284
285
286
288
288
288
289
291
290
289

Friday 23

Waning Crescent 23%

02:07

13:38

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
11 OK

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)

100
100
100
100
100
100
100
91
94
100
100
100
100
97
76
67
76
100
100
68
68
76
49
27

Low Clouds (% Sky Obscured)

1
1
0
2
10
14
18
21
18
10
11
22
41
55
56
42
32
43
48
50
46
34
32
22

Medium Clouds (% Sky Obscured)

5
15
15
1
1
18
19
1
0
0
0
1
1
2
0
1
3
3
2
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
85
92
100
100
100
100
97
53
43
74
100
100
35
36
61
37
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
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
3
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 (%)

3
4
5
10
7
4
5
5
3
1
2
1
0
0
0
0
3
2
3
9
22
2
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)

7
8
9
9
9
9
7
6
6
6
5
4
4
5
5
5
5
5
5
7
10
11
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
75
75
80
83
87
91
92
92
94
95
95
97
95
95
97
95
95
91
86
80
77
75

Pressure (mb)

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

Ozone (du)

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

Saturday 24

Waning Crescent 14%

02:43

14:40

12 OK
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
11 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)

26
100
57
41
74
100
100
100
100
100
100
100
100
100
100
100
86
99
99
98
99
80
94
100

Low Clouds (% Sky Obscured)

16
11
11
5
8
12
13
9
3
8
14
9
17
21
18
14
9
7
4
3
5
8
17
55

Medium Clouds (% Sky Obscured)

0
0
0
0
1
4
4
3
4
0
0
0
7
4
1
2
15
81
10
10
15
43
51
98

High Clouds (% Sky Obscured)

16
100
52
41
71
100
100
100
100
100
100
100
100
100
100
100
86
98
96
94
96
80
91
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

4
7
7
7
5
7
9
7
9
11
25
14
3
32
46
59
67
34
24
6
47
52
54
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.5
0
0
0
0
0
0
0.6

Wind Speed/Direction (mph)

15
18
19
20
19
18
16
15
14
12
10
8
7
7
6
5
5
5
5
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

25
25
25
25
25
25
25
25
25
25
25
25
26
26
26
25
26
26
26
26
25
26
27
27

Relative Humidity (%)

76
76
79
80
82
83
87
87
88
88
91
91
92
92
94
92
94
94
92
91
87
90
91
91

Pressure (mb)

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

Ozone (du)

290
290
290
289
289
289
289
290
290
290
290
290
290
289
289
289
289
287
287
289
289
289
289
289

Sunday 25

Waning Crescent 6%

03:22

15:44

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
11 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)

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

Low Clouds (% Sky Obscured)

72
85
84
83
83
85
86
87
71
93
93
86
97
97
96
95
94
95
94
95
95
96
98
97

Medium Clouds (% Sky Obscured)

98
97
96
89
83
79
80
83
83
82
83
88
93
97
98
98
99
98
95
95
95
95
82
87

High Clouds (% Sky Obscured)

99
84
100
100
100
100
100
100
79
60
36
50
62
77
63
49
34
43
51
63
74
87
99
99

ISS Passover

Visibility (miles)

2
0
5
9
8
9
8
5
8
9
9
9
9
6
3
5
4
8
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
Very Light Rain
None
None
None
None
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
74
59
41
39
37
42
55
57
53
35
32
31
44
50
38
53

Precipitation Amount (mm)

1.6
2.1
1.4
1.2
1.2
0.9
0.8
0.8
0.5
0.3
0
0
0
0
0.4
0.3
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
14
14
14
14
15
14
13
12
13
12
13
13
13
13
12
11
11
11
12
15
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

31
26
26
25
25
24
24
24
24
24
24
23
23
23
24
24
24
24
24
24
23
22
21
21

Dew Point (°C)

27
28
27
26
26
25
25
24
24
23
23
23
22
22
22
22
22
22
22
21
21
21
21
21

Relative Humidity (%)

90
95
91
92
91
91
91
90
90
88
88
87
87
85
87
87
88
88
88
85
85
85
85
84

Pressure (mb)

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

Ozone (du)

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

Monday 26

Waning Crescent 2%

04:07

16:51

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
11 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
100
100
100
100
100
100
100
99
99
98
99
99
99
99
98
98
98

Low Clouds (% Sky Obscured)

96
95
94
87
61
73
84
86
88
90
93
86
78
71
61
52
42
50
59
64
67
72
80
79

Medium Clouds (% Sky Obscured)

77
96
97
97
97
98
99
99
99
98
97
98
99
99
95
93
91
93
95
96
93
91
88
86

High Clouds (% Sky Obscured)

99
99
99
100
100
94
89
83
83
83
83
89
94
100
99
99
98
76
53
31
43
53
65
63

ISS Passover

Visibility (miles)

9
9
9
8
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

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

Precipitation Probability (%)

63
73
62
52
25
21
21
9
27
32
34
30
25
16
18
18
15
17
18
18
16
12
5
10

Precipitation Amount (mm)

0.3
0.5
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
17
18
18
18
19
17
17
16
15
14
13
13
12
12
11
10
10
9
9
9
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
20
20
20
20
20
19
20
19
19
19
19
20
20
20
21
21
21
21
21
22
22
22

Dew Point (°C)

20
20
19
19
19
18
18
18
18
18
18
18
17
17
17
17
17
17
17
18
18
18
18
18

Relative Humidity (%)

83
80
79
78
76
74
75
78
79
78
78
76
75
74
74
74
74
74
73
74
74
73
74
73

Pressure (mb)

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

Ozone (du)

288
288
288
288
289
289
289
289
289
289
289
290
290
290
290
290
291
291
292
292
293
293
293
293

Tuesday 27

New Moon 0%

04:58

18:02

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
11 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
99
99
100
100
100
100
97
94
90
90
88
86
91
96
100
94
89
84
87
89
91
92

Low Clouds (% Sky Obscured)

78
71
65
57
52
40
26
12
8
6
3
2
1
0
1
1
2
5
7
11
21
31
40
42

Medium Clouds (% Sky Obscured)

86
83
88
95
100
76
52
28
47
66
85
78
71
64
76
88
100
91
82
73
68
63
58
65

High Clouds (% Sky Obscured)

59
56
71
85
100
100
100
100
74
48
22
36
50
64
76
88
100
71
42
13
26
40
53
60

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 (%)

9
0
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
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)

12
12
13
13
12
12
11
11
10
10
10
9
8
8
7
8
9
10
10
11
12
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
70
71
72
72
73
74
74
74
75
76
76
76
76
76
78
78
75
74
72
72
71
71

Pressure (mb)

1015
1015
1014
1014
1014
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1014
1014
1015
1014
1014
1014

Ozone (du)

293
292
292
293
293
294
294
295
295
295
295
295
295
295
295
296
297
298
298
297
297
296
295
295

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

Generated: 21/05/25 06:05:36. Forecast: 21/05/25 to 27/05/25. Timezone: UTC+8.00