Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

03:49

18:39

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 Bad
09 Bad
10 Bad

Sun - Rise: 07:01, Set: 19:27, Transit: 13:14. Moon - Rise: 03:49, Set: 18:39. Civil Dark: 20:02 - 06:27. Nautical Dark: 20:44 - 05:45. Astro Dark: 21:29 - 05:01

Total Clouds (% Sky Obscured)

99
96
100
92
87
95
88
81
91
96
87
97
92
85
68
89
78
67
64
68
69
76
84
78

Low Clouds (% Sky Obscured)

86
96
100
71
58
69
79
81
77
72
56
69
56
79
57
66
64
59
60
60
53
76
77
57

Medium Clouds (% Sky Obscured)

11
38
54
48
34
64
51
68
40
73
72
68
71
40
37
41
43
29
5
24
14
4
9
24

High Clouds (% Sky Obscured)

7
3
4
6
11
6
6
6
35
50
56
65
17
42
10
32
7
7
29
33
38
49
66
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
9
8
6
7
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
23
21
34
48
46
40
32
29
12
17
12
4
4
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)

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

Chance of Frost

Temperature (°C)

18
19
18
19
19
19
20
19
19
18
18
18
18
18
17
17
17
16
16
16
16
16
17
18

Feels Like (°C)

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

Dew Point (°C)

15
16
16
16
16
17
17
17
17
17
17
17
17
17
16
16
15
15
15
15
15
14
15
15

Relative Humidity (%)

82
81
86
81
85
88
82
85
89
92
92
93
92
92
92
92
90
93
93
93
93
92
87
81

Pressure (mb)

1017
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022

Ozone (du)

253
256
255
254
254
255
256
257
257
258
258
258
257
256
255
255
255
257
257
255
254
254
253
251

Friday 19

Waning Crescent 6%

05:10

18:50

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

Sun - Rise: 07:03, Set: 19:25, Transit: 13:13. Moon - Rise: 05:10, Set: 18:50. Civil Dark: 20:00 - 06:28. Nautical Dark: 20:42 - 05:47. Astro Dark: 21:26 - 05:03

Total Clouds (% Sky Obscured)

78
96
82
69
46
42
37
71
69
65
64
100
29
49
77
33
60
75
86
60
70
42
78
76

Low Clouds (% Sky Obscured)

48
32
67
39
24
30
24
0
0
0
0
12
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
7
2
4
3
0
0
0
0
0
0
0
0
0
0
3
13
16
3
23
23
36
64
76

High Clouds (% Sky Obscured)

46
94
76
69
46
37
37
33
42
25
35
99
29
36
39
33
37
59
61
43
44
4
61
71

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)

11
11
11
10
10
9
7
5
5
5
5
5
5
5
6
6
5
5
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

19
21
22
23
24
24
24
23
21
19
18
18
17
17
17
17
17
16
16
15
15
16
18
19

Feels Like (°C)

18
21
21
22
22
23
24
24
22
21
20
19
17
17
17
17
16
16
16
15
14
16
18
18

Dew Point (°C)

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

Relative Humidity (%)

70
64
56
51
48
46
49
57
67
73
74
76
74
74
74
75
74
73
73
74
74
74
65
55

Pressure (mb)

1023
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

250
250
250
249
249
249
250
250
250
249
248
247
247
246
247
247
248
248
249
249
249
249
248
247

Saturday 20

Waning Crescent 2%

06:28

18:59

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: 07:05, Set: 19:23, Transit: 13:13. Moon - Rise: 06:28, Set: 18:59. Civil Dark: 19:57 - 06:30. Nautical Dark: 20:39 - 05:49. Astro Dark: 21:23 - 05:05

Total Clouds (% Sky Obscured)

56
91
100
91
78
97
97
100
100
100
100
100
100
100
98
100
100
100
100
93
92
100
100
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
0
2
1
25
25
38
56
66
87
92
89
87

Medium Clouds (% Sky Obscured)

56
45
63
37
45
55
88
76
66
100
100
85
81
64
63
79
99
98
50
45
63
89
93
98

High Clouds (% Sky Obscured)

51
86
100
83
46
84
89
100
100
100
100
100
100
100
98
100
100
100
100
85
57
97
92
86

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
1
0
0
0
0
0
3
3
2
6
31
8
6
5
38
32
15
13
22
22
12
38
33

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

Chance of Frost

Temperature (°C)

21
23
25
26
26
26
25
24
22
22
21
21
21
20
19
19
19
18
18
18
18
18
18
19

Feels Like (°C)

20
22
23
24
25
25
25
25
22
22
21
21
21
20
18
18
19
20
19
19
18
20
19
18

Dew Point (°C)

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

Relative Humidity (%)

49
42
37
37
36
36
41
51
55
57
61
68
71
71
78
84
85
85
82
83
92
88
89
89

Pressure (mb)

1015
1014
1014
1013
1013
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1010
1010

Ozone (du)

246
245
244
244
245
246
248
249
249
249
249
248
249
250
251
251
251
251
252
251
252
255
256
259

Sunday 21

New Moon 0%

07:44

19:07

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: 07:07, Set: 19:20, Transit: 13:13. Moon - Rise: 07:44, Set: 19:07. Civil Dark: 19:55 - 06:32. Nautical Dark: 20:36 - 05:51. Astro Dark: 21:20 - 05:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
86
80
87
93
98

Low Clouds (% Sky Obscured)

67
44
17
26
38
52
37
34
27
24
45
53
51
56
65
51
37
23
28
29
34
40
43
43

Medium Clouds (% Sky Obscured)

99
100
100
87
82
99
93
96
93
59
90
89
87
96
62
98
97
95
83
71
58
55
53
8

High Clouds (% Sky Obscured)

56
82
100
99
96
100
100
100
94
100
97
100
100
100
100
100
100
100
86
72
57
66
88
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
3
6
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

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

Precipitation Probability (%)

39
26
4
3
1
0
1
2
5
3
1
1
3
11
14
41
65
83
58
45
8
0
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
18
18
19
19
18
17
16
15
15
15
14
14
14
14
13
12
12
12
12
13
14

Feels Like (°C)

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

Dew Point (°C)

17
17
15
11
10
10
9
10
10
10
11
11
11
11
11
11
11
12
12
11
11
11
12
12

Relative Humidity (%)

91
93
80
64
56
55
54
59
64
68
75
76
76
79
79
80
84
90
95
95
95
93
92
86

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1014
1014

Ozone (du)

259
259
259
260
261
262
263
265
266
267
268
268
268
268
268
269
269
268
269
270
269
269
271
270

Monday 22

Waxing Crescent 0%

08:59

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 OK
03 OK
04 OK
05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:08, Set: 19:18, Transit: 13:12. Moon - Rise: 08:59, Set: 19:14. Civil Dark: 19:52 - 06:34. Nautical Dark: 20:34 - 05:52. Astro Dark: 21:17 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
91
90
92
86
95
99
57
40
33
28
40
54
70
61
55
48

Low Clouds (% Sky Obscured)

46
51
56
41
25
17
10
9
9
10
4
0
4
6
7
10
12
14
32
50
68
56
42
29

Medium Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
3
3
24
21
41
59
4
8
11
13
9
5
2
2
3
3

High Clouds (% Sky Obscured)

100
100
100
100
99
100
100
70
65
74
65
65
60
60
57
31
17
3
2
1
0
22
47
48

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 (%)

6
9
21
15
19
11
6
6
4
0
1
0
0
0
0
0
0
0
4
6
4
10
13
14

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
15
15
15
14
14
13
13
13
11
10
10
9
7
9
9
8
8
8
8
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

77
72
65
61
58
55
63
64
71
79
83
83
87
87
84
85
85
87
85
85
85
84
78
72

Pressure (mb)

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

Ozone (du)

272
271
270
272
275
276
278
282
285
288
291
297
303
305
306
307
307
307
307
307
306
306
306
305

Tuesday 23

Waxing Crescent 3%

10:14

19:22

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

Sun - Rise: 07:10, Set: 19:15, Transit: 13:12. Moon - Rise: 10:14, Set: 19:22. Civil Dark: 19:50 - 06:35. Nautical Dark: 20:31 - 05:54. Astro Dark: 21:14 - 05:11

Total Clouds (% Sky Obscured)

58
68
79
78
79
78
55
33
11
15
13
28
36
41
45
30
25
25
26
21
22
32
31
23

Low Clouds (% Sky Obscured)

43
42
62
71
75
78
54
30
6
5
6
7
9
11
16
13
11
11
12
8
4
7
10
15

Medium Clouds (% Sky Obscured)

16
28
41
29
16
3
1
0
0
1
3
6
8
11
10
8
4
3
8
16
22
22
14
4

High Clouds (% Sky Obscured)

58
68
71
76
65
65
42
24
5
4
4
3
10
17
35
30
25
25
26
21
22
32
31
14

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 (%)

18
20
20
19
18
18
16
13
6
5
3
0
1
1
1
1
1
1
2
2
1
3
4
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)

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

Chance of Frost

Temperature (°C)

12
13
15
16
15
14
14
13
12
11
10
9
8
8
7
7
7
6
6
7
7
7
9
12

Feels Like (°C)

9
9
9
10
14
12
11
11
11
11
8
9
9
8
9
8
6
7
7
7
6
6
8
8

Dew Point (°C)

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

Relative Humidity (%)

66
58
51
45
51
56
63
66
70
73
76
80
84
85
87
87
88
90
91
85
82
78
72
66

Pressure (mb)

1018
1018
1018
1017
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1022

Ozone (du)

305
309
313
317
319
321
323
322
321
320
318
316
314
313
313
312
314
315
316
316
317
317
316
315

Wednesday 24

Waxing Crescent 7%

No Rise

19:32

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

Sun - Rise: 07:12, Set: 19:13, Transit: 13:11. Moon - Rise: No Rise, Set: 19:32. Civil Dark: 19:47 - 06:37. Nautical Dark: 20:29 - 05:56. Astro Dark: 21:12 - 05:13

Total Clouds (% Sky Obscured)

35
43
47
61
73
87
62
38
9
11
9
12
17
22
26
31
31
30
37
39
46

Low Clouds (% Sky Obscured)

22
28
32
50
68
86
60
34
8
8
6
4
4
2
2
1
1
0
2
4
6

Medium Clouds (% Sky Obscured)

18
31
45
45
40
40
34
37
9
11
9
12
17
22
26
31
31
30
37
30
30

High Clouds (% Sky Obscured)

33
43
47
61
73
80
62
38
9
11
9
12
17
22
26
31
25
15
11
12
18

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 (%)

10
13
14
13
11
1
10
13
10
9
6
2
6
5
0
1
0
0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
15
16
16
16
16
14
12
10
10
9
8
8
7
7
7
7
6
7
7

Feels Like (°C)

9
10
10
11
15
14
13
13
13
13
7
9
9
9
9
8
6
7
6
7
7

Dew Point (°C)

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

Relative Humidity (%)

60
54
49
44
45
47
48
55
65
76
78
81
82
82
82
81
82
82
82
81
79

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1022
1022
1023
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026

Ozone (du)

314
313
312
312
310
309
308
307
307
307
306
305
303
303
302
301
300
299
298
297
296

Forecast for Altona-Altstadt, Germany (53.55,9.95)

Generated: 18/09/25 11:12:52. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00