Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 20%

03:03

18:29

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 OK

Sun - Rise: 07:22, Set: 19:50, Transit: 13:36. Moon - Rise: 03:03, Set: 18:29. Civil Dark: 20:23 - 06:49. Nautical Dark: 21:02 - 06:10. Astro Dark: 21:43 - 05:31

Total Clouds (% Sky Obscured)

75
83
88
97
100
100
100
91
82
59
51
46
56
66
56
50
62
60
56
55
66
62
48
44

Low Clouds (% Sky Obscured)

30
38
87
46
67
73
94
74
77
43
43
43
53
66
56
50
62
60
56
55
66
62
48
44

Medium Clouds (% Sky Obscured)

75
83
88
93
100
100
97
76
54
19
12
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

30
83
88
48
1
1
2
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
18
50
46
38
6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0

Precipitation Amount (mm)

0
0
0.2
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
8
9
8
9
11
12
14
15
16
16
14
12
9
8
8
8
7
8
8
7
7
7

Chance of Frost

Temperature (°C)

11
11
12
12
12
12
13
14
15
16
17
17
17
17
17
16
16
16
16
16
16
16
16
15

Feels Like (°C)

9
8
9
9
10
10
10
10
11
12
14
14
15
15
16
16
16
16
16
16
16
15
16
15

Dew Point (°C)

9
9
9
10
11
10
9
8
6
6
5
6
7
8
9
10
11
11
11
12
11
11
11
11

Relative Humidity (%)

88
86
81
87
89
86
75
67
56
50
46
47
50
54
62
66
69
72
74
75
74
74
75
75

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1022
1021
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

261
261
259
258
258
257
255
254
252
251
251
250
249
250
251
253
254
253
253
253
254
253
254
253

Thursday 18

Waning Crescent 12%

04:23

18:49

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

Sun - Rise: 07:23, Set: 19:48, Transit: 13:36. Moon - Rise: 04:23, Set: 18:49. Civil Dark: 20:21 - 06:50. Nautical Dark: 21:00 - 06:12. Astro Dark: 21:40 - 05:33

Total Clouds (% Sky Obscured)

52
46
36
41
66
49
61
61
52
43
44
29
28
28
20
22
21
22
6
0
2
3
2
6

Low Clouds (% Sky Obscured)

52
46
36
41
66
49
51
51
52
43
44
29
28
28
20
22
21
22
3
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
14
15
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
1
0
0
2
2
2
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
10
10
10
9
8
7
7
7
8
9
10
11
11
12
12
11
9
8
8
7
6

Relative Humidity (%)

76
78
76
67
62
57
51
45
40
39
38
39
43
51
60
66
72
74
71
65
61
61
60
58

Pressure (mb)

1021
1021
1022
1022
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1023
1023
1023

Ozone (du)

253
253
253
254
254
254
254
255
256
256
256
256
257
257
255
254
254
254
254
254
253
253
252
251

Friday 19

Waning Crescent 6%

05:40

19:05

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

Sun - Rise: 07:25, Set: 19:46, Transit: 13:35. Moon - Rise: 05:40, Set: 19:05. Civil Dark: 20:19 - 06:52. Nautical Dark: 20:57 - 06:13. Astro Dark: 21:38 - 05:35

Total Clouds (% Sky Obscured)

9
19
50
29
61
40
1
1
0
3
3
1
1
20
63
65
27
50
21
25
50
72
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
65
27
40
21
25
50
72
90
70

High Clouds (% Sky Obscured)

5
9
44
29
61
40
1
0
0
3
3
1
1
20
60
65
18
40
11
10
43
59
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
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
5
3
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)

5
5
5
5
6
8
9
10
11
11
11
11
9
8
8
8
8
8
9
10
10
10
10
9

Chance of Frost

Temperature (°C)

14
14
14
16
19
21
23
24
25
26
26
26
25
23
20
19
19
19
19
19
19
19
19
19

Feels Like (°C)

13
13
12
14
17
19
21
22
23
24
24
24
24
22
21
19
18
17
17
17
17
17
17
16

Dew Point (°C)

6
6
6
7
7
6
5
5
4
4
5
6
8
10
12
13
13
12
12
12
12
11
11
11

Relative Humidity (%)

58
59
59
56
46
38
32
28
25
24
25
29
33
43
57
66
68
66
65
64
62
59
59
59

Pressure (mb)

1023
1023
1023
1023
1023
1023
1022
1022
1021
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016

Ozone (du)

251
249
250
249
249
248
248
249
250
251
252
253
254
254
254
252
250
250
250
249
249
249
249
248

Saturday 20

Waning Crescent 2%

No Rise

19:17

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:26, Set: 19:44, Transit: 13:35. Moon - Rise: No Rise, Set: 19:17. Civil Dark: 20:16 - 06:54. Nautical Dark: 20:55 - 06:15. Astro Dark: 21:35 - 05:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
86
100
100
100
100
85
94
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
23
46
66
70
75
75
80
80
100
85
70
56
40

Medium Clouds (% Sky Obscured)

94
94
94
95
97
92
87
38
16
14
14
29
52
66
69
63
60
75
92
90
83
73
67
74

High Clouds (% Sky Obscured)

100
100
100
100
83
92
94
84
100
100
86
100
100
100
100
85
94
100
100
100
100
100
100
71

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

2
0
1
4
9
11
6
2
3
3
3
15
24
42
65
76
83
72
92
95
95
95
67
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.3
0.5
0.8
3.9
0.8
0.3
0

Wind Speed/Direction (mph)

10
11
10
6
7
8
10
11
13
13
13
13
10
11
12
11
11
9
9
8
9
11
12
13

Chance of Frost

Temperature (°C)

19
19
19
20
21
22
24
25
26
26
27
27
26
24
22
22
21
20
19
18
17
16
16
15

Feels Like (°C)

16
16
16
19
19
20
22
22
24
23
24
26
24
22
20
20
20
19
18
18
17
15
14
13

Dew Point (°C)

10
9
8
9
10
9
11
12
12
11
11
12
12
12
13
13
12
13
15
16
17
16
15
14

Relative Humidity (%)

54
51
48
49
50
43
43
44
41
39
38
39
41
48
54
58
59
64
77
90
96
95
92
93

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1014
1013
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013

Ozone (du)

249
249
250
251
255
256
257
257
257
256
255
255
254
253
253
254
255
254
252
253
253
256
257
258

Sunday 21

New Moon 0%

06:53

19:29

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
22 Bad
23 Bad
00 Bad
01 OK
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:28, Set: 19:42, Transit: 13:35. Moon - Rise: 06:53, Set: 19:29. Civil Dark: 20:14 - 06:55. Nautical Dark: 20:52 - 06:17. Astro Dark: 21:32 - 05:39

Total Clouds (% Sky Obscured)

95
93
95
97
99
100
100
100
100
100
100
100
100
100
96
94
89
72
54
36
49
62
71
72

Low Clouds (% Sky Obscured)

32
20
10
22
36
39
40
37
46
58
60
59
57
45
49
36
27
25
23
19
20
25
30
41

Medium Clouds (% Sky Obscured)

70
66
95
59
93
91
99
100
98
94
92
96
98
100
15
24
37
32
20
0
0
0
0
25

High Clouds (% Sky Obscured)

45
18
20
18
20
47
73
100
100
100
100
100
100
100
72
44
16
39
54
36
49
34
24
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
4
8
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
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

32
8
9
9
5
10
10
6
10
37
66
71
90
29
20
12
3
3
3
2
4
4
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.3
0.7
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
12
13
14
14
14
14
13
12
12
12
11
12
11
11
11
10
10
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

92
90
90
87
78
68
61
57
53
53
62
83
89
92
89
92
92
93
95
95
93
95
95
95

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1018
1018

Ozone (du)

259
260
260
261
261
262
262
262
263
264
264
265
267
269
271
273
275
277
277
277
277
279
282
284

Monday 22

Waxing Crescent 1%

08:05

19:40

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:29, Set: 19:39, Transit: 13:34. Moon - Rise: 08:05, Set: 19:40. Civil Dark: 20:12 - 06:57. Nautical Dark: 20:50 - 06:18. Astro Dark: 21:30 - 05:40

Total Clouds (% Sky Obscured)

71
75
81
90
97
92
85
77
78
84
93
89
87
83
81
84
84
85
87
89
90
91
93
93

Low Clouds (% Sky Obscured)

52
58
59
60
57
31
28
29
41
52
63
57
51
44
43
42
42
47
53
58
60
59
64
61

Medium Clouds (% Sky Obscured)

49
75
81
84
77
58
40
21
39
54
70
68
67
65
48
31
14
30
44
56
44
32
19
14

High Clouds (% Sky Obscured)

11
6
34
65
97
92
85
77
78
84
93
89
84
75
41
18
2
1
0
0
0
0
0
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
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
8
12
14
24
29
27
25
23
11
10
7
0
2
1
0
2
2
1
3

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)

3
2
2
2
3
4
5
6
7
8
10
13
11
10
9
9
9
9
9
10
10
10
11
11

Chance of Frost

Temperature (°C)

9
9
9
11
12
14
15
16
17
17
16
16
15
14
13
13
12
12
12
12
11
11
11
11

Feels Like (°C)

9
9
9
9
9
11
11
11
12
18
16
15
15
15
15
10
11
11
11
11
10
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
85
80
73
64
56
49
53
58
63
64
67
70
69
69
68
67
68
68
67
67
66

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

286
288
290
290
291
291
291
292
293
295
297
300
303
306
309
310
311
312
313
313
314
314
314
314

Tuesday 23

Waxing Crescent 3%

09:16

19:51

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 OK
22 OK
23 Good
00 Good
01 Good

Sun - Rise: 07:31, Set: 19:37, Transit: 13:34. Moon - Rise: 09:16, Set: 19:51. Civil Dark: 20:09 - 06:58. Nautical Dark: 20:48 - 06:20. Astro Dark: 21:27 - 05:42

Total Clouds (% Sky Obscured)

94
93
87
82
76
77
78
79
76
70
61
67
70
65
51
39
22
18
9
8

Low Clouds (% Sky Obscured)

58
58
57
56
55
52
49
47
46
45
43
41
41
38
27
16
6
7
7
6

Medium Clouds (% Sky Obscured)

9
8
9
18
32
27
26
24
21
18
11
6
3
0
2
3
4
6
8
8

High Clouds (% Sky Obscured)

10
18
29
35
37
46
50
45
25
7
2
2
0
0
3
9
22
18
9
8

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

3
1
6
9
9
10
10
2
7
8
3
7
8
1
2
2
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

Wind Speed/Direction (mph)

11
11
11
12
12
12
12
12
12
11
10
10
9
9
8
8
7
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
9
7
8
8
10
10
11
15
15
15
14
14
14
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

69
73
77
66
58
52
48
44
41
45
50
55
56
58
60
64
70
74
77
80

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021

Ozone (du)

312
311
309
308
307
306
307
307
308
310
312
314
315
315
315
315
314
314
313
313

Forecast for Charleroi, Hainaut Province, Kingdom of Belgium (50.41,4.44)

Generated: 17/09/25 05:59:18. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+2.00