Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 6%

09:16

18:05

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

Sun - Rise: 07:13, Set: 16:00, Transit: 11:37. Moon - Rise: 09:16, Set: 18:05. Civil Dark: 16:34 - 06:40. Nautical Dark: 17:11 - 06:02. Astro Dark: 17:47 - 05:27

Total Clouds (% Sky Obscured)

79
76
65
41
42
51
68
69
65
58
53
41
24
27
22
20
23
17
22
36
35
8
10
24

Low Clouds (% Sky Obscured)

79
76
65
41
42
51
68
69
65
58
53
41
24
27
22
20
23
17
18
9
4
6
10
23

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
1
6
3
10
35
35
5
2
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
71
66
63
61
60
63
70
72
75
76
78
79
80
82
83
83
83
85
86
86
86
86
85

Pressure (mb)

1020
1020
1020
1019
1019
1019
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1018
1018
1018

Ozone (du)

290
291
292
292
289
284
284
285
289
288
292
296
296
302
308
309
309
307
308
306
315
321
322
334

Tuesday 23

Waxing Crescent 11%

09:46

19:15

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

Sun - Rise: 07:14, Set: 16:01, Transit: 11:37. Moon - Rise: 09:46, Set: 19:15. Civil Dark: 16:35 - 06:40. Nautical Dark: 17:12 - 06:03. Astro Dark: 17:47 - 05:27

Total Clouds (% Sky Obscured)

14
19
23
17
17
24
34
43
58
69
99
99
98
98
94
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

14
19
23
17
17
17
16
9
11
21
25
14
7
13
14
13
14
22
25
34
45
75
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
19
25
36
35
61
59
66
85
92
79
87
100
99
100
100
100
100
100
100

High Clouds (% Sky Obscured)

2
2
3
4
5
2
4
3
6
12
61
77
91
80
80
100
100
100
100
100
100
100
100
100

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
20
48
72
94
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
72
67
64
61
61
64
70
74
75
79
80
80
79
78
78
78
79
80
82
82
83
80
80

Pressure (mb)

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

Ozone (du)

352
356
357
364
374
378
384
390
392
390
389
386
386
385
385
384
383
383
385
387
391
392
390
389

Wednesday 24

Waxing Crescent 19%

10:10

20:25

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:14, Set: 16:02, Transit: 11:38. Moon - Rise: 10:10, Set: 20:25. Civil Dark: 16:35 - 06:40. Nautical Dark: 17:12 - 06:03. Astro Dark: 17:48 - 05:28

Total Clouds (% Sky Obscured)

100
100
100
100
60
65
96
100
91
93
100
99
97
87
86
97
95
92
90
89
89
89
93
96

Low Clouds (% Sky Obscured)

78
70
59
48
41
39
40
45
38
41
39
41
47
48
44
40
37
34
38
37
33
32
33
34

Medium Clouds (% Sky Obscured)

100
100
100
59
36
43
81
98
78
81
87
61
74
70
66
91
73
68
71
62
47
41
79
93

High Clouds (% Sky Obscured)

100
100
100
100
55
55
82
100
55
63
100
98
90
60
71
76
63
57
43
49
55
61
72
86

ISS Passover

Visibility (miles)

9
4
5
6
8
5
8
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

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

Precipitation Probability (%)

95
95
78
55
49
62
50
50
47
34
35
34
29
17
4
2
3
5
7
15
11
4
8
7

Precipitation Amount (mm)

1.3
0.9
0.5
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
15
15
15
15
16
16
16
16
16
16
16
16
16
16
16
16
16
17
17
17
16
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
86
86
86
86
86
85
85
88
86
86
88
88
88
86
85
83
83
82
82
82
83
77
77

Pressure (mb)

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

Ozone (du)

388
389
389
389
388
387
384
382
382
382
384
384
382
382
383
383
384
385
386
386
385
385
386
386

Thursday 25

Waxing Crescent 28%

10:30

21:36

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:14, Set: 16:02, Transit: 11:38. Moon - Rise: 10:30, Set: 21:36. Civil Dark: 16:36 - 06:41. Nautical Dark: 17:13 - 06:04. Astro Dark: 17:49 - 05:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
98
97
93
84
78
76
74
70
63
60
57
58

Low Clouds (% Sky Obscured)

35
53
70
88
87
85
83
80
77
76
74
69
68
67
67
65
68
72
74
70
61
57
48
41

Medium Clouds (% Sky Obscured)

100
100
100
100
100
86
65
84
85
89
45
43
43
50
41
41
41
41
40
43
45
41
40
36

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
98
70
36
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
Very Light Rain
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
37
46
46
57
64
71
63
57
52
46
37
21
22
18
4
6
4
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.4
0.3
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
18
17
17
16
15
15
14
14
14
13
13
12
11
11
10
9
8
8
7
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
75
77
76
73
73
76
77
81
83
81
84
84
84
83
83
84
86
84
84
84
84
81

Pressure (mb)

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

Ozone (du)

385
385
386
386
386
387
387
387
386
386
384
383
380
375
370
368
365
362
359
359
357
355
355
352

Friday 26

Waxing Crescent 38%

10:49

22:47

09 Bad
10 Bad
11 Bad
12 OK
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

Sun - Rise: 07:14, Set: 16:03, Transit: 11:39. Moon - Rise: 10:49, Set: 22:47. Civil Dark: 16:36 - 06:41. Nautical Dark: 17:14 - 06:04. Astro Dark: 17:49 - 05:28

Total Clouds (% Sky Obscured)

57
55
52
48
54
60
68
71
72
68
68
69
71
64
58
52
53
59
65
67
57
55
53
61

Low Clouds (% Sky Obscured)

32
37
41
47
54
60
68
71
72
68
68
69
71
64
58
52
53
59
65
67
57
55
53
53

Medium Clouds (% Sky Obscured)

35
26
18
11
10
10
10
7
3
0
13
17
23
22
23
23
26
30
35
32
26
20
14
7

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
14
19
29
1
1
2
2
1
0
0
0
0
0
0
0
27
53

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
1
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
4
3
3
3
3
4
4
5
6
6
6
6
6
6
6
6
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
70
68
64
63
62
64
69
72
76
77
80
83
88
88
89
89
91
91
91
91
93
93
89

Pressure (mb)

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

Ozone (du)

351
350
343
338
335
332
328
322
318
312
309
308
308
307
307
306
306
306
306
305
308
310
312
312

Saturday 27

First Quarter 49%

11:07

00:00

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

Sun - Rise: 07:15, Set: 16:04, Transit: 11:39. Moon - Rise: 11:07, Set: 00:00. Civil Dark: 16:37 - 06:41. Nautical Dark: 17:14 - 06:04. Astro Dark: 17:50 - 05:29

Total Clouds (% Sky Obscured)

65
52
41
31
22
16
10
7
5
1
15
31
52
69
80
91
91
91
86
81
82
82
79
78

Low Clouds (% Sky Obscured)

39
42
41
31
22
16
8
5
3
0
15
31
52
69
80
91
91
91
86
81
82
81
79
78

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

65
52
27
1
4
8
10
7
4
0
0
0
0
0
0
0
0
0
1
1
2
2
7
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
1
5
5
5
8
8

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
9
9
10
10
9
8
7
6
5
4
5
6
7
7
7
8
8
8
10
10
11
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
72
63
56
57
56
57
59
62
64
69
76
81
84
89
93
93
91
91
89
88
88
80

Pressure (mb)

1030
1030
1030
1029
1028
1028
1028
1028
1028
1028
1027
1027
1026
1025
1024
1023
1023
1021
1020
1019
1018
1018
1017
1017

Ozone (du)

312
312
311
310
309
308
307
307
307
307
306
307
307
307
308
309
310
310
310
309
310
310
310
313

Sunday 28

Waxing Gibbous 60%

11:27

01:16

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 OK
22 OK
23 Bad
00 Bad

Sun - Rise: 07:15, Set: 16:04, Transit: 11:40. Moon - Rise: 11:27, Set: 01:16. Civil Dark: 16:38 - 06:41. Nautical Dark: 17:15 - 06:04. Astro Dark: 17:51 - 05:29

Total Clouds (% Sky Obscured)

74
76
88
100
97
94
90
73
58
43
33
20
8
34
59
84

Low Clouds (% Sky Obscured)

74
76
88
95
85
72
59
52
45
35
25
14
4
22
39
56

Medium Clouds (% Sky Obscured)

2
22
45
71
64
52
41
29
17
4
6
6
6
30
54
79

High Clouds (% Sky Obscured)

20
17
12
12
11
7
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

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
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
9
8
3
28
37
44
41
37
38
37
31
8
10
8
5

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0.1
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
17
16
15
15
14
13
12
11
11
10
10
10
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
68
65
62
60
60
57
56
58
61
64
65
66
66
67
68

Pressure (mb)

1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1019
1019
1020

Ozone (du)

315
318
324
329
335
341
347
352
361
369
378
379
381
383
387
390

Forecast for Savski Venac, Belgrade, Serbia (44.79,20.45)

Generated: 22/12/25 09:23:20. Forecast: 22/12/25 to 28/12/25. Timezone: UTC+1.00