Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Waxing Crescent 19%

10:37

20:47

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:42, Set: 16:21, Transit: 12:01. Moon - Rise: 10:37, Set: 20:47. Civil Dark: 16:55 - 07:08. Nautical Dark: 17:33 - 06:29. Astro Dark: 18:10 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
98
96
95
96
99
100
100
90
85

Low Clouds (% Sky Obscured)

99
95
95
92
94
100
98
96
95
96
97
96
95
91
88
83
78
91
91
78
73
54
60
65

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
98
100
100
100
100
99
99
94
91
90
91
95
99
100
86
64

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
93
32
100
100
100
50
25
40
48
17
25
31
30
59
65
59
60

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
1
2
1
1
0
0
0
1
2
5
9
9
9
9
9
9
6

Fog (%)

28
49
70
70
70
70
27
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

50
58
57
64
80
95
95
95
95
95
95
95
89
78
68
54
40
33
31
27
19
15
14
20

Precipitation Amount (mm)

0
0
0.2
0
0.3
0.6
1.3
0.8
0.7
0.7
0.7
0.7
0.6
0.5
0.4
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
1
1
2
2
2
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
100
100
98
93
91
89
93
93
94
94
96
93
93
91
89
89
89
93
96
96
98

Pressure (mb)

1016
1015
1015
1016
1016
1017
1017
1017
1017
1017
1018
1019
1019
1020
1021
1021
1022
1023
1023
1024
1024
1025
1025
1026

Ozone (du)

386
389
391
394
395
395
398
397
399
400
405
406
410
411
411
411
413
411
410
410
410
410
409
407

Thursday 25

Waxing Crescent 28%

10:56

21:59

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:42, Set: 16:21, Transit: 12:02. Moon - Rise: 10:56, Set: 21:59. Civil Dark: 16:56 - 07:08. Nautical Dark: 17:34 - 06:30. Astro Dark: 18:10 - 05:53

Total Clouds (% Sky Obscured)

92
99
97
100
93
99
98
96
94
94
96
96
95
100
100
97
95
95
91
95
96
91
80
81

Low Clouds (% Sky Obscured)

79
90
92
95
89
95
93
93
94
89
93
94
93
100
100
95
93
83
76
92
93
86
80
81

Medium Clouds (% Sky Obscured)

53
45
44
58
42
56
88
41
1
18
32
28
34
30
27
25
20
70
65
70
54
9
3
2

High Clouds (% Sky Obscured)

65
68
2
2
1
35
35
35
35
38
37
2
2
1
4
0
3
65
50
4
0
0
0
0

ISS Passover

Visibility (miles)

2
4
8
4
2
3
3
3
9
9
9
9
2
1
0
0
0
2
4
3
3
3
2
2

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 (%)

20
24
28
18
19
18
9
16
19
13
12
22
25
27
22
19
17
19
10
13
18
9
5
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
-1
-1
-1
-1
-1
-1
-0
0
0
0
1
1
1
1
0
0
1
0
1
0
1
0
-1

Relative Humidity (%)

98
96
96
92
92
91
86
88
89
89
89
91
94
98
98
98
96
96
96
98
96
98
98
96

Pressure (mb)

1026
1026
1026
1027
1028
1028
1029
1029
1028
1028
1028
1028
1028
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

407
408
412
414
417
421
421
419
418
415
415
414
413
412
407
403
398
395
394
388
385
386
380
374

Friday 26

Waxing Crescent 38%

11:14

23:11

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 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 Good
01 OK
02 OK
03 Good

Sun - Rise: 07:43, Set: 16:22, Transit: 12:02. Moon - Rise: 11:14, Set: 23:11. Civil Dark: 16:56 - 07:08. Nautical Dark: 17:34 - 06:30. Astro Dark: 18:11 - 05:54

Total Clouds (% Sky Obscured)

81
82
90
95
100
100
100
95
84
86
74
63
59
31
28
21
30
37
25
20
11
11
10
9

Low Clouds (% Sky Obscured)

81
82
87
94
100
100
100
94
82
83
71
53
41
30
28
19
16
26
17
20
11
11
10
9

Medium Clouds (% Sky Obscured)

0
0
4
0
0
0
0
0
0
0
0
0
3
3
0
7
28
26
10
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
4
23
29
2
2
3
3
0
2
0
0
0
0
0

ISS Passover

Visibility (miles)

2
3
1
3
3
5
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
17
6
3
16
5
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
94
92
89
84
80
77
76
77
77
84
91
92
94
92
94
96
96
94
92
92
94

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

373
370
365
362
361
356
347
341
340
338
332
327
324
321
318
317
315
313
311
309
309
308
307
307

Saturday 27

First Quarter 49%

11:31

00:26

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

Sun - Rise: 07:43, Set: 16:23, Transit: 12:03. Moon - Rise: 11:31, Set: 00:26. Civil Dark: 16:57 - 07:08. Nautical Dark: 17:35 - 06:30. Astro Dark: 18:12 - 05:54

Total Clouds (% Sky Obscured)

13
18
22
23
26
28
28
28
28
32
28
20
14
12
8
4
4
4
4
4
9
6
7
8

Low Clouds (% Sky Obscured)

13
18
22
23
26
28
28
28
28
32
28
20
14
9
3
2
2
2
2
2
2
2
2
2

Medium Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
92
94
87
81
75
71
71
73
78
89
92
94
94
94
94
96
94
92
91
91
89

Pressure (mb)

1028
1028
1029
1029
1029
1030
1030
1030
1029
1028
1028
1027
1027
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022
1022

Ozone (du)

306
305
304
302
302
304
304
304
303
302
301
299
298
297
297
300
298
300
302
303
303
300
299
298

Sunday 28

Waxing Gibbous 61%

11:49

01:43

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

Sun - Rise: 07:43, Set: 16:23, Transit: 12:03. Moon - Rise: 11:49, Set: 01:43. Civil Dark: 16:58 - 07:09. Nautical Dark: 17:36 - 06:31. Astro Dark: 18:12 - 05:54

Total Clouds (% Sky Obscured)

2
2
1
2
2
2
12
21
37
32
25
20
20
17
30
42
29
18
14
9
5
4
5
5

Low Clouds (% Sky Obscured)

2
2
1
2
2
2
10
20
37
32
25
20
20
17
30
34
26
16
12
8
3
3
2
2

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
1
1
1
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
8
8
8
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
1
1
6
6
5
11
3
3
2
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
3
3
4
4
3
3
3
2
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
89
89
86
75
74
76
77
79
78
83
91
96
94
94
91
89
89
89
89
89
90

Pressure (mb)

1021
1022
1022
1023
1024
1025
1026
1026
1025
1025
1026
1026
1027
1027
1027
1028
1027
1027
1028
1028
1028
1028
1028
1027

Ozone (du)

299
300
300
302
303
302
303
305
307
306
304
305
304
303
300
302
304
306
309
306
303
300
298
295

Monday 29

Waxing Gibbous 72%

12:10

03:04

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 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:43, Set: 16:24, Transit: 12:04. Moon - Rise: 12:10, Set: 03:04. Civil Dark: 16:59 - 07:09. Nautical Dark: 17:37 - 06:31. Astro Dark: 18:13 - 05:55

Total Clouds (% Sky Obscured)

6
6
6
7
7
8
8
9
10
8
7
5
4
3
3
17
33
49
48
50
49
60
64
72

Low Clouds (% Sky Obscured)

3
4
5
5
6
6
7
8
9
7
5
2
2
1
1
1
2
2
4
6
8
12
15
18

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
1
2
2
2
1
5
8
20
22
33
44
60
64
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
89
89
84
81
77
71
69
66
73
80
88
87
91
91
92
91
92
92
92
94
94
92

Pressure (mb)

1027
1027
1027
1026
1026
1026
1026
1025
1024
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

293
292
292
291
291
290
290
290
290
289
291
292
293
295
297
299
301
302
304
304
305
306
307
309

Tuesday 30

Waxing Gibbous 82%

12:36

No Set

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

Sun - Rise: 07:43, Set: 16:25, Transit: 12:04. Moon - Rise: 12:36, Set: No Set. Civil Dark: 17:00 - 07:09. Nautical Dark: 17:37 - 06:31. Astro Dark: 18:14 - 05:55

Total Clouds (% Sky Obscured)

50
29
16
22
31
47
65
74
82
88
93
99
99
99
99
95
91
87
82
76
71

Low Clouds (% Sky Obscured)

16
15
15
11
8
4
5
6
8
20
32
49
55
66
68
69
69
70
70
70
70

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
7
13
20
20
20
15
10
10
10
9
7
6
5
0
0

High Clouds (% Sky Obscured)

50
29
0
22
31
47
51
48
48
58
67
78
59
39
18
15
11
8
7
6
4

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
5
8
9
13
16
15

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
92
94
89
84
80
77
73
71
76
80
86
88
89
92
94
94
94
94
96

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1020
1020
1020
1019

Ozone (du)

310
314
318
322
324
326
328
327
326
326
324
321
319
318
317
316
311
307
302
298
293

Forecast for Ljubljana, Republic of Slovenia (46.06,14.51)

Generated: 24/12/25 04:00:08. Forecast: 24/12/25 to 30/12/25. Timezone: UTC+1.00