Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 6%

10:11

18:37

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 08:05, Set: 16:32, Transit: 12:19. Moon - Rise: 10:11, Set: 18:37. Civil Dark: 17:08 - 07:30. Nautical Dark: 17:47 - 06:50. Astro Dark: 18:25 - 06:13

Total Clouds (% Sky Obscured)

81
78
76
72
50
56
50
94
96
100
100
100
100
100
100
100
100
92
81
98
100
98
91
79

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)

2
6
19
23
9
3
23
28
29
9
30
26
32
80
72
88
100
78
55
46
24
16
48
70

High Clouds (% Sky Obscured)

57
63
55
30
41
45
34
83
88
100
100
100
100
100
100
100
100
73
74
98
100
97
87
72

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
0
1
1
0
-0
1
-1
-2
-2
-2
-1
2
4
6
6
6
5
3
2
2
1
1

Dew Point (°C)

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

Relative Humidity (%)

71
69
68
68
68
66
66
65
64
63
63
61
59
58
55
55
58
62
64
68
69
71
70
69

Pressure (mb)

1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011
1010
1009
1008
1007
1007
1008
1008
1009
1009
1010
1010

Ozone (du)

283
285
285
285
285
286
288
289
291
295
297
300
308
319
318
318
319
320
322
328
335
346
355
364

Monday 22

Waxing Crescent 12%

10:38

19:50

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
17 Bad
18 Bad
19 Bad
20 OK

Sun - Rise: 08:06, Set: 16:33, Transit: 12:19. Moon - Rise: 10:38, Set: 19:50. Civil Dark: 17:08 - 07:30. Nautical Dark: 17:48 - 06:51. Astro Dark: 18:25 - 06:13

Total Clouds (% Sky Obscured)

99
98
68
67
66
74
71
92
93
88
79
79
88
73
65
79
92
89
91
89
79
80
41
23

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
14
23
23

Medium Clouds (% Sky Obscured)

97
83
68
67
57
12
11
40
81
88
46
45
52
65
65
71
83
82
75
50
2
1
0
0

High Clouds (% Sky Obscured)

97
94
62
65
60
74
71
75
70
68
78
79
83
63
54
61
73
72
71
72
72
59
24
7

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
3
3
3
3
3
3
6
17
26
22
12
0
0
0
0
1
2
4

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)

2
3
2
2
2
2
2
2
2
2
2
2
2
1
2
2
3
2
2
3
2
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
68
68
67
66
66
66
69
69
68
69
70
70
68
67
67
68
68
73
80
86
88
89
92

Pressure (mb)

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

Ozone (du)

369
375
378
381
384
386
387
388
389
390
390
390
391
390
389
388
386
383
379
382
382
382
382
386

Tuesday 23

Waxing Crescent 19%

10:59

21:03

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

Sun - Rise: 08:06, Set: 16:33, Transit: 12:20. Moon - Rise: 10:59, Set: 21:03. Civil Dark: 17:09 - 07:30. Nautical Dark: 17:48 - 06:51. Astro Dark: 18:26 - 06:14

Total Clouds (% Sky Obscured)

21
22
30
38
61
80
93
95
96
96
99
98
100
100
100
97
94
91
89
93
92
70
78
81

Low Clouds (% Sky Obscured)

21
22
30
38
60
80
93
95
96
96
99
98
100
100
100
97
94
91
89
87
74
44
39
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
20
43
56
67

High Clouds (% Sky Obscured)

6
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
7
2
2
3
0
1
1
2
4
7
4
6
8
9

Fog (%)

4
10
2
11
7
2
12
25
13
4
19
32
0
2
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
1
1
1
3
4
4
8
8
21
24
24
26
27
31
31
32
32
26
22
19
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
94
94
94
92
92
91
87
88
89
88
92
91
89
91
89
84
81
81
83
84
86
86
86

Pressure (mb)

1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1017
1017
1017
1017
1017

Ozone (du)

387
385
385
385
383
380
382
383
382
382
385
389
396
400
404
406
406
403
398
396
393
387
390
395

Wednesday 24

Waxing Crescent 28%

11:17

21:03

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

Sun - Rise: 08:06, Set: 16:34, Transit: 12:20. Moon - Rise: 11:17, Set: 21:03. Civil Dark: 17:10 - 07:31. Nautical Dark: 17:49 - 06:51. Astro Dark: 18:26 - 06:14

Total Clouds (% Sky Obscured)

89
85
85
83
79
78
79
63
34
23
24
9
10
35
18
4
24
35
40
55
46
46
6
7

Low Clouds (% Sky Obscured)

16
12
7
3
3
3
2
2
2
0
0
0
2
1
0
0
0
0
0
0
0
0
2
2

Medium Clouds (% Sky Obscured)

24
21
24
23
71
77
67
15
13
16
4
1
0
23
18
4
5
35
36
55
5
0
0
0

High Clouds (% Sky Obscured)

40
41
46
56
56
38
50
40
19
8
16
6
8
34
18
3
14
20
20
7
18
17
1
1

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 (%)

11
8
10
2
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-5
-6
-6
-6
-6
-7
-6
-5
-4
-4
-3
-2
-2
-1
2
1
-1
-2
-3
-4
-4
-2

Dew Point (°C)

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

Relative Humidity (%)

86
86
84
84
82
81
79
79
79
78
75
75
74
67
62
58
58
62
69
80
84
83
78
76

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1021
1021
1021
1021
1020
1020
1021
1022
1022
1023
1023
1024

Ozone (du)

398
400
399
399
399
398
395
393
391
390
393
396
395
395
396
396
394
391
389
387
385
384
384
380

Thursday 25

Waxing Crescent 38%

11:33

22:17

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
18 Good
19 Good
20 Good

Sun - Rise: 08:07, Set: 16:35, Transit: 12:21. Moon - Rise: 11:33, Set: 22:17. Civil Dark: 17:10 - 07:31. Nautical Dark: 17:50 - 06:52. Astro Dark: 18:27 - 06:14

Total Clouds (% Sky Obscured)

6
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
7
9
7
5
4
4

Low Clouds (% Sky Obscured)

2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
7
9
7
5
4
4

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
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)

2
2
2
2
2
2
3
2
2
2
2
1
1
1
1
1
2
1
1
1
1
1
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
78
75
71
68
66
64
63
60
58
57
54
50
47
47
46
45
51
60
68
70
71
72
71

Pressure (mb)

1024
1025
1025
1025
1026
1026
1026
1026
1026
1027
1027
1028
1028
1028
1028
1027
1026
1027
1027
1027
1028
1028
1029
1029

Ozone (du)

377
376
373
371
369
369
367
366
365
363
362
358
353
348
348
347
347
347
348
348
349
350
351
352

Friday 26

Waxing Crescent 49%

11:49

23:30

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 OK
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 08:07, Set: 16:35, Transit: 12:21. Moon - Rise: 11:49, Set: 23:30. Civil Dark: 17:11 - 07:31. Nautical Dark: 17:50 - 06:52. Astro Dark: 18:28 - 06:15

Total Clouds (% Sky Obscured)

1
1
0
0
0
1
2
2
2
2
1
1
0
0
1
1
21
47
71
66
72
67
62
66

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
2
2
1
0
0
0
0
0
0
0
13
23
31
38
42
50
58
51

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
44
47
47
43
38
37
41

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)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
2
1
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
67
67
67
67
69
69
69
69
69
69
67
63
61
60
59
59
64
70
77
80
81
83
84

Pressure (mb)

1029
1029
1029
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1030
1029
1029
1028
1028
1029
1029
1029
1030
1030
1030

Ozone (du)

354
355
357
359
361
360
358
357
357
357
356
355
353
351
349
347
345
344
342
340
340
340
340
341

Saturday 27

First Quarter 61%

12:06

00:46

21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 Good
04 Good
05 Good
06 Good
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK

Sun - Rise: 08:07, Set: 16:36, Transit: 12:22. Moon - Rise: 12:06, Set: 00:46. Civil Dark: 17:12 - 07:31. Nautical Dark: 17:51 - 06:52. Astro Dark: 18:28 - 06:15

Total Clouds (% Sky Obscured)

71
68
65
52
35
17
0
0
0
0
3
8
19
25
32
39

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
0
0
0
0
3
8
19
21
22
24

Medium Clouds (% Sky Obscured)

44
38
34
29
21
12
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

40
40
27
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
6
4
1
4
6
9
9
9

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

1
1
2
2
2
2
2
2
2
2
2
2
2
2
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-3
-4
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-2

Relative Humidity (%)

84
86
86
87
89
91
92
94
96
96
96
91
87
83
81
78

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1031
1031
1030
1030

Ozone (du)

341
342
341
340
339
339
339
339
339
339
339
339
340
341
340
340

Forecast for Zwing, Politischer Bezirk Bregenz, Republic of Austria (47.49,9.92)

Generated: 21/12/25 21:19:51. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+1.00