Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 19%

11:22

19:43

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

Sun - Rise: 08:36, Set: 16:22, Transit: 12:29. Moon - Rise: 11:22, Set: 19:43. Civil Dark: 17:03 - 07:55. Nautical Dark: 17:46 - 07:12. Astro Dark: 18:27 - 06:31

Total Clouds (% Sky Obscured)

91
89
82
70
46
24
28
29
30
51
73
78
70
76
70
77
71
67
50
49
38
33
37
43

Low Clouds (% Sky Obscured)

85
69
54
56
45
23
26
26
26
42
50
53
59
73
68
75
67
52
41
44
38
33
37
43

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

13
14
14
15
16
16
15
15
14
14
13
14
15
15
15
15
15
16
18
17
17
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-3
-3
-3
-3
-4
-5
-5
-5
-4
-3
-3
-4
-5
-5
-5
-6
-7
-8
-9
-9
-11

Relative Humidity (%)

70
72
74
74
76
75
77
77
72
71
74
80
81
83
78
77
75
68
62
58
53
51
49
44

Pressure (mb)

1023
1024
1025
1026
1027
1028
1028
1029
1029
1030
1030
1031
1031
1032
1033
1033
1034
1034
1034
1033
1033
1033
1033
1033

Ozone (du)

367
370
372
376
378
383
387
391
392
393
394
391
384
376
382
386
382
378
373
368
367
367
369
370

Wednesday 24

Waxing Crescent 28%

11:35

21:02

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

Sun - Rise: 08:36, Set: 16:23, Transit: 12:30. Moon - Rise: 11:35, Set: 21:02. Civil Dark: 17:03 - 07:56. Nautical Dark: 17:47 - 07:12. Astro Dark: 18:28 - 06:31

Total Clouds (% Sky Obscured)

29
26
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

29
26
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
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
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)

16
17
17
17
17
17
17
17
17
17
17
17
17
16
16
15
15
15
15
15
15
14
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-13
-14
-16
-17
-18
-19
-20
-21
-21
-22
-22
-22
-22
-22
-22
-22
-22
-23
-23
-22
-21
-20
-20
-21

Relative Humidity (%)

38
36
34
31
29
27
26
25
25
24
25
25
25
25
25
26
24
22
21
21
22
23
24
25

Pressure (mb)

1033
1033
1034
1034
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1034
1034
1034
1033
1032
1032
1032
1032
1032

Ozone (du)

372
374
373
371
369
366
363
359
358
358
360
361
360
358
354
351
348
343
340
338
335
330
328
325

Thursday 25

Waxing Crescent 38%

11:46

22:20

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

Sun - Rise: 08:37, Set: 16:23, Transit: 12:30. Moon - Rise: 11:46, Set: 22:20. Civil Dark: 17:04 - 07:56. Nautical Dark: 17:48 - 07:12. Astro Dark: 18:28 - 06:31

Total Clouds (% Sky Obscured)

0
0
0
1
3
4
1
1
1
2
16
24
29
6
4
23
14
5
4
4
1
1
1
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
1
3
4
1
1
1
2
16
24
24
3
3
23
14
5
4
4
1
1
1
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-9
-9
-9
-9
-9
-10
-9
-9
-8
-8
-10
-9
-9
-8
-8
-8
-7
-4
-3
-3
-3
-3
-4

Dew Point (°C)

-21
-21
-21
-21
-21
-21
-21
-21
-21
-21
-21
-22
-22
-22
-22
-22
-22
-21
-20
-18
-17
-17
-16
-16

Relative Humidity (%)

25
26
26
26
26
25
26
26
26
26
25
25
24
24
25
24
23
23
23
24
26
28
29
30

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1031
1031
1031
1031
1031
1032

Ozone (du)

323
321
317
314
311
308
307
307
306
304
302
301
301
302
302
302
302
300
297
292
292
291
290
289

Friday 26

Waxing Crescent 36%

11:57

23:39

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

Sun - Rise: 08:37, Set: 16:24, Transit: 12:31. Moon - Rise: 11:57, Set: 23:39. Civil Dark: 17:05 - 07:56. Nautical Dark: 17:48 - 07:13. Astro Dark: 18:29 - 06:31

Total Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
9
17
13
33

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
9
17
13
33

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-17
-18
-18
-17
-16
-13
-11
-9
-7
-6
-5
-4
-4
-4
-3
-3
-3
-1
1
2
2
1
1

Relative Humidity (%)

29
28
28
27
28
32
39
47
55
64
72
79
86
86
86
89
87
83
84
88
93
94
89
89

Pressure (mb)

1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1032
1032
1031
1031
1031
1031

Ozone (du)

290
290
289
289
290
290
287
287
287
287
287
285
286
287
288
287
289
292
295
294
293
292
293
292

Saturday 27

First Quarter 49%

12:09

01:01

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 OK
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good

Sun - Rise: 08:37, Set: 16:25, Transit: 12:31. Moon - Rise: 12:09, Set: 01:01. Civil Dark: 17:06 - 07:56. Nautical Dark: 17:49 - 07:13. Astro Dark: 18:30 - 06:32

Total Clouds (% Sky Obscured)

48
61
72
77
69
61
53
57
64
63
61
60
56
19
16
9
3
1
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

48
61
72
77
68
61
53
53
56
63
53
53
48
19
16
9
3
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
86
88
88
89
93
94
94
94
91
89
87
84
83
77
73
69
64
58
55
58
60
63
66

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1033
1033
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033

Ozone (du)

292
294
298
299
299
299
296
295
293
294
296
297
298
299
298
297
297
296
295
295
294
293
291
291

Sunday 28

Waxing Gibbous 61%

12:23

02:25

18 Good
19 Good
20 Good
21 Good
22 Good
23 OK
00 Good
01 OK
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
17 Bad

Sun - Rise: 08:37, Set: 16:26, Transit: 12:31. Moon - Rise: 12:23, Set: 02:25. Civil Dark: 17:07 - 07:56. Nautical Dark: 17:50 - 07:13. Astro Dark: 18:30 - 06:32

Total Clouds (% Sky Obscured)

0
2
4
6
7
9
10
28
46
65
76
86
97
98
97
97
97
98
99
90
81
73
76
79

Low Clouds (% Sky Obscured)

0
1
2
3
6
8
10
26
43
60
72
84
96
97
97
97
97
98
99
90
81
73
76
79

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
18
35

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
6
4
3
1
3
5
7
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

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
4
6
5
10
11
12
11
9
6
15
19
23
21
19

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
72
78
83
91
91
94
96
96
98
98
98
98
98
98
96
96
96
94
93
93
89
88
86

Pressure (mb)

1032
1032
1032
1032
1032
1031
1031
1030
1030
1029
1029
1029
1028
1027
1027
1027
1027
1026
1026
1025
1025
1025
1024
1024

Ozone (du)

291
291
292
292
292
291
290
289
289
289
289
291
292
294
295
296
297
297
297
297
297
296
296
298

Monday 29

Waxing Gibbous 72%

12:42

03:55

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: 08:37, Set: 16:27, Transit: 12:32. Moon - Rise: 12:42, Set: 03:55. Civil Dark: 17:07 - 07:56. Nautical Dark: 17:51 - 07:13. Astro Dark: 18:31 - 06:32

Total Clouds (% Sky Obscured)

84
87
91
95
93
93
90
93
93
92
92
92
93
95
98
100
100
100
100

Low Clouds (% Sky Obscured)

84
87
91
95
93
92
90
88
82
75
78
80
82
86
88
90
90
88
88

Medium Clouds (% Sky Obscured)

56
45
33
22
18
13
9
18
27
36
37
39
40
40
45
50
50
55
70

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

14
14
14
15
19
20
20
22
23
23
36
45
54
51
51
54
50
50
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.3
0.3
0.2
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
4
5
5
4
4
4
3
3
3
3
2
2
3
3
3
3
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
86
86
88
88
88
88
83
79
74
74
74
76
76
76
76
76
75

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022

Ozone (du)

300
302
297
292
286
288
289
291
295
299
304
311
318
325
341
357
373
370
367

Forecast for Mecklenbeck, Regierungsbezirk Münster, Germany (51.95,7.59)

Generated: 23/12/25 18:31:57. Forecast: 23/12/25 to 29/12/25. Timezone: UTC+1.00