Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 60%

12:17

02:00

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

Sun - Rise: 07:56, Set: 17:00, Transit: 12:28. Moon - Rise: 12:17, Set: 02:00. Civil Dark: 17:32 - 07:24. Nautical Dark: 18:08 - 06:48. Astro Dark: 18:42 - 06:14

Total Clouds (% Sky Obscured)

0
0
0
55
46
61
55
44
45
36
33
29
34
38
33
31
39
41
40
33
37
37
46
45

Low Clouds (% Sky Obscured)

0
0
0
34
34
43
43
38
39
29
26
22
29
33
26
26
33
34
36
27
27
21
23
21

Medium Clouds (% Sky Obscured)

0
0
0
2
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
4
6
3
1
0
0
0
0
0
1
0
1
1
1
1
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
6
6
7
9
10
15
19
19
17
17
16
15
15
14
12
12
13
13
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-7
-7
-6
-6
-5
-5
-6
-6
-7
-7
-7
-7
-7
-7
-8
-8
-8
-8
-8
-9
-9

Relative Humidity (%)

69
68
65
62
55
56
55
60
64
60
56
54
57
60
64
67
68
68
67
67
67
65
65
65

Pressure (mb)

1018
1016
1016
1015
1015
1015
1016
1017
1018
1018
1018
1018
1018
1019
1019
1020
1021
1021
1022
1022
1022
1022
1022
1022

Ozone (du)

301
301
299
298
300
299
298
302
306
308
307
306
304
303
302
304
311
315
317
317
315
314
311
306

Monday 29

Waxing Gibbous 71%

12:42

No Set

03 OK
04 OK
05 OK
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
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 07:56, Set: 17:01, Transit: 12:29. Moon - Rise: 12:42, Set: No Set. Civil Dark: 17:33 - 07:24. Nautical Dark: 18:09 - 06:49. Astro Dark: 18:43 - 06:14

Total Clouds (% Sky Obscured)

34
34
27
14
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

17
15
9
5
0
1
1
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
4
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)

12
12
11
9
8
7
6
6
7
7
7
7
7
5
4
4
4
4
4
4
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-8
-8
-8
-7
-7
-6
-5
-3
-1
0
0
1
1
-2
-3
-3
-3
-4
-4
-5
-5
-5
-5

Dew Point (°C)

-9
-10
-10
-10
-10
-10
-10
-11
-11
-11
-11
-11
-10
-7
-8
-9
-10
-11
-12
-12
-12
-12
-13
-13

Relative Humidity (%)

65
64
62
64
64
62
59
52
45
40
37
36
39
47
53
54
52
52
50
50
51
50
49
48

Pressure (mb)

1022
1022
1022
1022
1022
1022
1023
1022
1022
1020
1019
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015

Ozone (du)

306
306
306
307
307
308
309
308
308
306
306
310
310
309
310
313
314
309
313
328
334
338
336
334

Tuesday 30

Waxing Gibbous 82%

13:11

03:18

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

Sun - Rise: 07:56, Set: 17:02, Transit: 12:29. Moon - Rise: 13:11, Set: 03:18. Civil Dark: 17:34 - 07:24. Nautical Dark: 18:09 - 06:49. Astro Dark: 18:44 - 06:14

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
81
82
29
34
52
50
53
40
30
25
34

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
5
8
12
24
52
50
53
40
30
25
34

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
40
40
9
0
30
39
47
40
30
25
34

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
13
2
3
2
10
26
30
20
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
8
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
1
2
4
6
6
4
7
9
2
1

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
4
4
4
3
4
4
5
10
11
12
11
11
10
9
10
10
10
10
12
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-6
-5
-5
-5
-5
-4
-2
1
2
2
1
0
-2
-3
-4
-5
-6
-7
-8
-9
-10
-12
-11

Dew Point (°C)

-13
-14
-14
-14
-15
-14
-14
-13
-11
-10
-9
-9
-8
-10
-9
-8
-8
-8
-7
-8
-9
-13
-16
-14

Relative Humidity (%)

47
46
45
44
43
43
41
38
35
34
35
38
42
44
52
60
62
63
67
65
62
45
41
45

Pressure (mb)

1015
1014
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1012
1012
1013
1014
1014
1015
1016
1016
1017
1017
1018
1018

Ozone (du)

330
325
325
324
325
326
325
322
317
314
316
317
318
320
319
324
330
331
331
332
341
349
357
363

Wednesday 31

Waxing Gibbous 90%

13:49

04:39

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

Sun - Rise: 07:56, Set: 17:03, Transit: 12:29. Moon - Rise: 13:49, Set: 04:39. Civil Dark: 17:34 - 07:24. Nautical Dark: 18:10 - 06:49. Astro Dark: 18:44 - 06:15

Total Clouds (% Sky Obscured)

43
52
42
27
24
33
35
42
42
41
38
36
22
5
17
15
9
32
52
72
87
65
52
51

Low Clouds (% Sky Obscured)

28
24
23
22
17
22
27
30
30
29
29
33
22
5
17
15
9
3
3
3
48
36
45
41

Medium Clouds (% Sky Obscured)

43
52
38
0
0
0
0
0
0
0
0
0
0
0
17
15
9
25
11
10
87
58
52
5

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
1
0
1
2
1
2
4
7
8
6
3
1
0
2
4
9
7
14

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)

11
10
9
8
8
7
8
9
11
11
12
13
12
11
9
9
8
8
7
7
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-14
-15
-15
-14
-14
-13
-14
-14
-14
-15
-15
-16
-15
-11
-12
-14
-14
-14
-13
-12
-12
-11
-10

Relative Humidity (%)

49
50
49
49
51
54
54
48
44
42
39
38
35
39
53
53
49
51
53
55
60
61
64
65

Pressure (mb)

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

Ozone (du)

363
357
350
345
335
328
328
327
330
331
335
342
345
345
347
349
357
362
372
381
388
399
406
412

Thursday 1

Waxing Gibbous 96%

14:38

06:00

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

Sun - Rise: 07:56, Set: 17:03, Transit: 12:30. Moon - Rise: 14:38, Set: 06:00. Civil Dark: 17:35 - 07:25. Nautical Dark: 18:11 - 06:49. Astro Dark: 18:45 - 06:15

Total Clouds (% Sky Obscured)

62
74
63
56
49
51
49
47
46
44
43
31
17
1
2
4
6
12
12
12
9
4
0
9

Low Clouds (% Sky Obscured)

54
49
41
37
33
33
37
39
34
33
32
24
14
1
2
4
6
8
6
3
2
1
0
0

Medium Clouds (% Sky Obscured)

7
14
11
6
0
0
0
0
0
0
0
0
0
0
1
1
2
2
3
3
2
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
6

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 (%)

23
29
27
26
21
17
12
4
3
2
0
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-9
-9
-9
-8
-9
-9
-7
-7
-7
-5
-5
-6
-6
-6
-7
-7
-7
-8
-7
-8
-7
-7
-8

Dew Point (°C)

-11
-11
-11
-11
-10
-11
-11
-12
-13
-14
-14
-14
-14
-14
-13
-14
-14
-14
-15
-15
-16
-15
-16
-16

Relative Humidity (%)

62
63
65
66
67
67
63
58
50
45
42
40
42
44
47
48
48
49
48
48
47
47
47
47

Pressure (mb)

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

Ozone (du)

411
409
405
404
405
401
398
393
385
381
381
383
382
381
380
385
390
395
392
390
388
385
382
379

Friday 2

Waxing Gibbous 100%

15:41

07:14

03 Good
04 OK
05 OK
06 OK
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

Sun - Rise: 07:57, Set: 17:04, Transit: 12:30. Moon - Rise: 15:41, Set: 07:14. Civil Dark: 17:36 - 07:25. Nautical Dark: 18:12 - 06:49. Astro Dark: 18:46 - 06:15

Total Clouds (% Sky Obscured)

14
19
33
46
59
74
85
95
92
91
89
94
97
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
7
12
21
32
43
58
73
88
92
89
85
80
72
68
52
36
19
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
7
14
20
37
54
71
68
64
61
58
51
39
56
78
99
99

High Clouds (% Sky Obscured)

14
19
33
46
54
64
79
94
83
68
44
29
17
5
35
65
95
88
85
74
79
83
79
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
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
3
4
1
5
6
3
8
7
3
8
7
2
4

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
3
3
3
4
3
3
3
3
3
3
3
4
4
4
4
5

Chance of Frost

Temperature (°C)

-7
-6
-7
-7
-7
-8
-6
-5
-3
-1
0
2
1
0
-0
-0
0
-1
-1
-1
-1
-1
-0
0

Feels Like (°C)

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

Dew Point (°C)

-16
-15
-16
-16
-16
-17
-17
-16
-16
-15
-14
-14
-13
-12
-11
-10
-8
-8
-7
-6
-4
-4
-3
-3

Relative Humidity (%)

47
48
48
48
48
47
44
40
37
35
32
30
34
39
44
49
53
57
63
71
78
78
80
80

Pressure (mb)

1025
1025
1024
1024
1024
1024
1024
1023
1023
1022
1020
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1016
1015
1014

Ozone (du)

373
367
361
361
361
361
368
375
382
374
366
358
357
356
355
350
345
341
337
333
329
326
323
320

Saturday 3

Full Moon 100%

16:56

08:16

Sun - Rise: 07:57, Set: 17:05, Transit: 12:31. Moon - Rise: 16:56, Set: 08:16. Civil Dark: 17:37 - 07:25. Nautical Dark: 18:12 - 06:49. Astro Dark: 18:47 - 06:15

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Sofia, Sofia, Republic of Bulgaria (42.70,23.32)

Generated: 28/12/25 02:55:15. Forecast: 28/12/25 to 03/01/26. Timezone: UTC+2.00