Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 1%

07:17

15:41

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:53, Set: 16:39, Transit: 12:16. Moon - Rise: 07:17, Set: 15:41. Civil Dark: 17:17 - 07:17. Nautical Dark: 17:57 - 06:36. Astro Dark: 18:36 - 05:58

Total Clouds (% Sky Obscured)

82
89
90
93
57
74
75
61
83
98
100
94
98
87
81
94
97
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
77
55
56
37
56
60
54
65
72
98
91
96
81
64
65
65
74
90
91
91
88
86
91

Medium Clouds (% Sky Obscured)

74
75
90
64
52
51
36
24
53
96
100
62
28
38
57
78
84
58
71
100
100
100
100
100

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
3
3
4
4
4
9
9
9
9
9
9
1
3
0
0

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

Precipitation Probability (%)

69
52
91
19
10
10
10
21
36
56
50
53
42
27
17
10
14
16
19
68
88
76
59
86

Precipitation Amount (mm)

0.5
0
1
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0.3
0.6
0.4
0.2
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
-1
-1
-1
-2
-2
-3
-2
-2
-1
-1
-1
-2
-2
-1
-2
-1
-2
-1
-1
-1
-1
-1
-1

Dew Point (°C)

-1
-2
-2
-2
-2
-2
-2
-2
-1
0
-0
-1
-1
-1
-1
-1
0
0
1
1
2
1
2
3

Relative Humidity (%)

72
72
69
73
73
77
77
80
83
86
85
82
81
84
82
83
85
80
82
83
91
89
94
96

Pressure (mb)

1015
1015
1015
1015
1014
1014
1013
1013
1012
1011
1010
1009
1009
1008
1008
1007
1007
1007
1006
1005
1004
1004
1003
1003

Ozone (du)

286
290
288
286
285
286
290
289
279
282
285
285
282
281
291
303
306
301
298
299
300
301
298
294

Wednesday 19

Waning Crescent 0%

08:29

16:05

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:55, Set: 16:38, Transit: 12:16. Moon - Rise: 08:29, Set: 16:05. Civil Dark: 17:16 - 07:18. Nautical Dark: 17:56 - 06:38. Astro Dark: 18:35 - 05:59

Total Clouds (% Sky Obscured)

97
100
100
97
100
100
94
100
100
100
100
91
88
96
84
77
68
85
91
77
80
70
58
55

Low Clouds (% Sky Obscured)

84
80
89
93
87
98
82
96
91
71
72
59
52
62
77
72
68
83
91
76
67
46
48
46

Medium Clouds (% Sky Obscured)

97
100
100
84
100
74
86
83
94
100
90
47
43
39
39
10
7
21
13
8
68
70
58
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
68
49
28
4
0
0
0
0
0
2
2
1

ISS Passover

Visibility (miles)

0
0
0
0
0
0
4
6
0
0
0
9
9
9
9
5
5
9
9
9
4
6
9
9

Fog (%)

0
0
0
0
0
20
100
100
100
6
2
0
27
6
5
6
6
5
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

87
79
69
81
68
67
62
52
80
61
24
4
0
0
0
0
0
0
0
3
25
25
14
5

Precipitation Amount (mm)

0.8
0.6
0.3
0.6
0.2
0.3
0.3
0
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
2
2
2
3
3
3
3
2
2
1
1
1
-1
-1
-1
0
1
2
3
4
4
3
2

Feels Like (°C)

-1
-1
-1
-1
0
-0
0
-1
-1
-1
-2
-2
-1
-2
-4
-2
-1
1
1
1
1
0
0
-1

Dew Point (°C)

2
2
2
2
2
2
1
1
1
2
1
-1
0
-1
-1
-2
-1
-1
-1
-0
-1
0
0
-1

Relative Humidity (%)

96
96
96
98
98
96
86
89
94
100
94
88
94
96
96
94
92
86
82
77
75
76
80
80

Pressure (mb)

1003
1003
1003
1003
1003
1004
1004
1004
1004
1005
1005
1006
1007
1008
1008
1009
1010
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

295
305
321
332
333
331
328
330
335
337
333
330
323
324
328
329
332
329
327
328
324
323
321
318

Thursday 20

New Moon 2%

09:38

16:38

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:57, Set: 16:37, Transit: 12:17. Moon - Rise: 09:38, Set: 16:38. Civil Dark: 17:15 - 07:20. Nautical Dark: 17:55 - 06:39. Astro Dark: 18:34 - 06:00

Total Clouds (% Sky Obscured)

77
80
69
77
79
75
96
98
79
98
94
89
95
91
85
81
73
87
90
63
57
50
44
41

Low Clouds (% Sky Obscured)

58
72
63
72
75
73
96
97
77
98
88
88
89
89
80
76
66
72
81
36
38
33
28
31

Medium Clouds (% Sky Obscured)

24
11
17
20
16
13
4
5
6
2
25
0
7
3
3
3
0
8
11
19
15
15
12
6

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
3
0
0
0
1
1
7
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 (%)

11
23
23
17
20
14
8
3
8
9
13
10
5
2
1
1
3
5
3
10
9
11
10
12

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)

4
3
4
4
3
2
2
2
2
3
4
4
3
3
3
2
2
2
2
3
3
3
3
2

Chance of Frost

Temperature (°C)

2
1
1
1
1
0
1
1
0
0
0
0
1
0
0
0
1
2
3
3
3
3
3
3

Feels Like (°C)

-1
-2
-2
-2
-2
-2
-1
-1
-2
-3
-3
-3
-3
-3
-3
-3
-2
-1
0
-1
1
0
2
3

Dew Point (°C)

-1
-2
-0
0
0
-0
-1
-1
-2
-3
-2
-2
-2
-2
-3
-4
-3
-3
-3
-3
-3
-4
-3
-3

Relative Humidity (%)

81
83
91
94
96
96
91
89
88
81
84
84
86
84
78
75
74
69
67
65
64
61
63
67

Pressure (mb)

1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1018
1019
1019
1020
1020
1020
1021
1021
1021

Ozone (du)

317
321
321
319
323
331
335
337
338
338
338
337
336
334
334
335
337
338
341
341
340
339
339
340

Friday 21

Waxing Crescent 5%

10:39

No Set

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

Sun - Rise: 07:58, Set: 16:36, Transit: 12:17. Moon - Rise: 10:39, Set: No Set. Civil Dark: 17:14 - 07:21. Nautical Dark: 17:54 - 06:40. Astro Dark: 18:33 - 06:01

Total Clouds (% Sky Obscured)

40
37
43
50
61
57
50
44
30
16
1
23
46
66
72
79
82
65
54
39
40
41
40
55

Low Clouds (% Sky Obscured)

35
37
43
50
61
57
50
44
30
16
0
23
46
66
72
79
82
65
53
38
39
40
40
41

Medium Clouds (% Sky Obscured)

6
8
3
3
2
2
2
0
0
0
0
0
0
0
4
4
9
3
3
5
3
5
5
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
26

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 (%)

10
0
1
1
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)

0
1
2
2
2
2
3
3
2
3
3
3
3
2
2
2
2
2
4
5
5
4
4
4

Chance of Frost

Temperature (°C)

1
1
-0
-0
-1
-1
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-2
-1
0
1
2
1
1
-0

Feels Like (°C)

1
0
-1
-1
-1
-2
-3
-3
-3
-3
-4
-4
-3
-4
-3
-3
-3
-2
-1
-0
0
-0
-1
-2

Dew Point (°C)

-4
-3
-4
-3
-3
-3
-4
-4
-4
-4
-5
-5
-5
-5
-4
-4
-4
-4
-4
-5
-6
-8
-8
-6

Relative Humidity (%)

73
75
78
81
83
83
84
84
84
86
84
84
84
84
87
87
84
78
73
65
57
52
53
63

Pressure (mb)

1022
1023
1023
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1022
1022
1022

Ozone (du)

341
342
344
344
339
332
329
323
319
314
309
305
304
303
307
308
307
305
302
301
302
300
293
285

Saturday 22

Waxing Crescent 10%

11:29

17:23

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
12 Bad
13 OK
14 OK
15 OK
16 Bad

Sun - Rise: 08:00, Set: 16:35, Transit: 12:17. Moon - Rise: 11:29, Set: 17:23. Civil Dark: 17:13 - 07:23. Nautical Dark: 17:53 - 06:42. Astro Dark: 18:32 - 06:03

Total Clouds (% Sky Obscured)

70
86
91
94
100
100
100
100
95
90
81
63
51
74
85
87
88
77
64
52
40
39
41
60

Low Clouds (% Sky Obscured)

42
42
28
15
1
1
0
1
0
0
0
0
1
1
1
1
1
1
1
0
0
1
1
8

Medium Clouds (% Sky Obscured)

7
6
17
30
80
98
92
95
95
90
73
37
33
25
47
71
79
62
45
32
25
21
17
31

High Clouds (% Sky Obscured)

52
78
86
93
100
92
84
75
64
53
41
27
14
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
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)

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

Chance of Frost

Temperature (°C)

-1
-2
-2
-2
-2
-2
-2
-2
-3
-3
-2
-3
-3
-3
-3
-2
-2
-1
0
1
3
2
2
1

Feels Like (°C)

-3
-3
-4
-4
-5
-6
-6
-6
-6
-6
-6
-6
-5
-5
-6
-6
-6
-6
-6
-5
-5
-0
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

74
81
84
87
87
86
84
86
84
82
81
84
84
86
84
79
75
71
63
57
51
53
54
57

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1018
1018
1017
1017
1016
1015
1015
1015
1014
1013
1013
1012
1012

Ozone (du)

282
281
281
286
294
300
304
303
297
295
296
296
295
293
292
290
289
288
286
284
283
281
279
277

Sunday 23

Waxing Crescent 16%

12:07

18:21

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:01, Set: 16:34, Transit: 12:18. Moon - Rise: 12:07, Set: 18:21. Civil Dark: 17:12 - 07:24. Nautical Dark: 17:53 - 06:43. Astro Dark: 18:32 - 06:04

Total Clouds (% Sky Obscured)

80
100
100
100
100
99
98
97
97
97
98
98
98
98
98
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

15
22
24
34
40
40
47
49
45
34
26
37
48
59
61
62
64
58
53
54
67
76
84
75

Medium Clouds (% Sky Obscured)

52
72
79
84
90
78
66
55
70
84
98
98
98
98
97
96
96
98
99
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
3
12
22
35
67
84
96
96
95
95
95
97
100
100
100
100
100
100
100
78

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

Precipitation Probability (%)

6
9
28
33
38
35
29
19
14
9
3
11
17
24
24
24
24
43
58
70
83
95
95
93

Precipitation Amount (mm)

0
0
0
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.7
0.8
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
-0
-1
-1
-1
-1
-1
-1
-0
-0
0
1
1
1
1
1
2
2
2
2
3
3
2
2

Feels Like (°C)

-1
-1
-2
-6
-5
-5
-5
-5
-4
-5
-5
-4
-5
-5
-5
-3
-3
-3
-3
-4
-4
-1
-2
-1

Dew Point (°C)

-6
-6
-6
-6
-6
-5
-5
-5
-4
-5
-4
-3
-3
-3
-2
-2
-2
-2
-2
-3
-3
-3
-3
-2

Relative Humidity (%)

60
65
70
70
70
70
71
72
74
72
74
75
77
78
81
80
77
76
72
68
64
67
69
72

Pressure (mb)

1012
1011
1011
1011
1010
1010
1009
1009
1008
1007
1006
1006
1005
1004
1002
1001
1000
999
998
996
995
994
993
993

Ozone (du)

277
277
277
277
277
277
276
275
273
272
271
269
269
269
269
270
270
270
270
271
271
272
273
274

Monday 24

Waxing Crescent 25%

12:35

19:29

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
12 Bad

Sun - Rise: 08:03, Set: 16:33, Transit: 12:18. Moon - Rise: 12:35, Set: 19:29. Civil Dark: 17:11 - 07:25. Nautical Dark: 17:52 - 06:44. Astro Dark: 18:31 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
99
97
95
92
94
96
97
98
98
99

Low Clouds (% Sky Obscured)

64
53
71
78
90
90
90
89
78
72
64
64
62
59
66
69
73
77
78
83

Medium Clouds (% Sky Obscured)

100
100
98
97
96
88
82
77
73
69
64
51
38
29
40
52
65
66
68
74

High Clouds (% Sky Obscured)

53
35
30
35
35
35
40
40
40
40
45
53
52
64
66
63
65
65
65
60

ISS Passover

Visibility (miles)

8
7
6
7
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

Precipitation Type

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

Precipitation Probability (%)

85
75
69
62
53
57
57
53
59
62
61
61
60
60
55
48
39
38
34
30

Precipitation Amount (mm)

0.5
0.4
0.3
0.2
0
0
0
0
0.2
0.3
0.2
0.3
0.3
0.2
0.2
0.2
0.1
0.1
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
2
2
1
1
1
-0
-0
-1
-1
-1
0
1
2
2

Feels Like (°C)

-1
-2
-2
-3
-2
-2
-2
-2
-2
-2
-3
-2
-3
-3
-4
-5
-4
-3
-4
-4

Dew Point (°C)

-1
-1
-1
-1
-1
-1
-1
-2
-2
-3
-3
-4
-4
-5
-5
-5
-5
-4
-4
-5

Relative Humidity (%)

77
80
84
81
80
77
77
77
77
77
75
75
74
74
72
71
69
68
64
60

Pressure (mb)

992
992
992
992
992
992
992
993
993
994
994
995
996
997
998
998
999
1000
1000
1001

Ozone (du)

277
279
282
284
286
288
289
290
291
292
292
292
293
294
296
299
302
305
300
295

Forecast for Rhöndorf, Cologne District, Germany (50.67,7.21)

Generated: 18/11/25 17:27:36. Forecast: 18/11/25 to 24/11/25. Timezone: UTC+1.00