Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

New Moon 2%

09:19

16:53

15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
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

Sun - Rise: 07:53, Set: 16:55, Transit: 12:25. Moon - Rise: 09:19, Set: 16:53. Civil Dark: 17:27 - 07:21. Nautical Dark: 18:03 - 06:46. Astro Dark: 18:37 - 06:11

Total Clouds (% Sky Obscured)

34
23
21
36
44
38
46
54
60
59
68
80
94
100
96
99
100
100
100
99
95
93
88
88

Low Clouds (% Sky Obscured)

34
23
21
36
41
29
37
45
50
45
55
74
94
100
96
99
100
100
100
99
95
93
88
88

Medium Clouds (% Sky Obscured)

0
0
0
0
1
4
4
4
4
4
4
4
5
4
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
2
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
2
6
13
18
15
8
7
6
0
6
19
57
64
91
88
91
92
75
71
71
57

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
69
73
76
77
80
83
84
84
86
88
88
88
83
83
81
81
80
78
74
71
68
67
65

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1020
1020
1020
1019
1019
1018
1018

Ozone (du)

315
309
310
315
315
320
326
332
337
340
346
347
348
347
347
347
343
337
333
330
328
326
327
328

Sunday 21

Waxing Crescent 6%

09:56

17:54

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
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 Bad

Sun - Rise: 07:54, Set: 16:56, Transit: 12:25. Moon - Rise: 09:56, Set: 17:54. Civil Dark: 17:28 - 07:22. Nautical Dark: 18:04 - 06:46. Astro Dark: 18:38 - 06:12

Total Clouds (% Sky Obscured)

93
92
91
87
84
87
88
85
83
78
74
69
65
73
82
77
91
95
74
53
46
39
46
49

Low Clouds (% Sky Obscured)

93
92
91
87
84
87
88
85
83
76
68
61
58
54
58
53
57
59
45
32
15
15
22
32

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 (%)

38
23
75
81
14
23
31
91
90
91
91
91
91
91
91
91
91
91
91
93
91
68
46
25

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
3
2
2
3
3
3
2
2
2
2
2
2
2
3
3
2
2
2
3
3

Chance of Frost

Temperature (°C)

7
7
6
6
4
4
3
3
3
2
2
2
2
2
2
1
2
1
1
2
4
6
7
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
62
61
62
62
62
62
62
61
62
62
60
62
63
63
63
63
64
63
57
53
50
49
49

Pressure (mb)

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

Ozone (du)

330
331
331
330
327
325
323
322
322
319
318
315
314
314
312
310
308
306
303
302
300
298
295
295

Monday 22

Waxing Crescent 5%

10:27

19:00

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

Sun - Rise: 07:54, Set: 16:56, Transit: 12:26. Moon - Rise: 10:27, Set: 19:00. Civil Dark: 17:28 - 07:22. Nautical Dark: 18:04 - 06:47. Astro Dark: 18:38 - 06:12

Total Clouds (% Sky Obscured)

51
43
37
33
36
39
40
44
45
33
42
47
45
45
60
70
70
65
64
57
65
78
81
79

Low Clouds (% Sky Obscured)

26
20
16
13
13
16
17
25
30
22
32
39
33
32
42
43
42
33
25
16
18
20
20
18

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
0
2
22
20
37
64
57
63
71
50
42

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
1
0
0
0
9
17
21
28

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 (%)

9
2
2
2
2
3
0
0
0
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2

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
1
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
54
60
63
67
70
74
78
83
88
88
89
89
88
88
86
86
86
83
74
69
64
59
57

Pressure (mb)

1017
1017
1018
1019
1019
1020
1020
1020
1020
1020
1020
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1019
1018
1017

Ozone (du)

295
296
293
288
287
288
289
289
294
295
296
303
310
318
321
322
319
318
319
331
327
327
336
337

Tuesday 23

Waxing Crescent 11%

10:53

20:09

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:55, Set: 16:57, Transit: 12:26. Moon - Rise: 10:53, Set: 20:09. Civil Dark: 17:29 - 07:23. Nautical Dark: 18:05 - 06:47. Astro Dark: 18:39 - 06:13

Total Clouds (% Sky Obscured)

83
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
20
17
16
12
13
15
13
17
23
46
33
38
47
94
89
82
82
82
83
79
79
92
87

Medium Clouds (% Sky Obscured)

39
46
29
24
24
40
27
88
37
56
78
100
99
100
100
100
100
95
84
85
100
94
97
100

High Clouds (% Sky Obscured)

37
60
100
100
100
90
79
74
84
93
100
100
100
100
100
96
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
8
9
9
9
9
9
9
9
8

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

3
2
4
3
0
0
0
0
1
3
5
18
32
43
56
58
52
41
29
17
20
25
51
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
4
2
1
0
-1
-1
-2
-1
-1
-1
-1
-1
-1
0
0
0
1
2
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

56
61
68
71
70
74
78
81
81
84
84
84
84
84
86
85
85
83
82
77
78
74
71
75

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1017
1016
1016
1016

Ozone (du)

327
328
331
340
340
349
356
366
374
376
373
374
373
379
384
387
390
387
384
384
384
384
379
375

Wednesday 24

Waxing Crescent 19%

11:15

21:17

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:55, Set: 16:57, Transit: 12:27. Moon - Rise: 11:15, Set: 21:17. Civil Dark: 17:30 - 07:23. Nautical Dark: 18:05 - 06:47. Astro Dark: 18:40 - 06:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
94
90
93
96
100
98
96
92
88
93
100
96
92
89
93

Low Clouds (% Sky Obscured)

83
86
89
90
82
90
88
86
84
78
90
93
96
100
89
77
66
75
83
91
90
87
84
73

Medium Clouds (% Sky Obscured)

100
100
100
100
100
97
94
94
82
68
47
48
41
41
38
39
41
43
48
48
48
43
39
36

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
88
81
67
68
59
50
47
48
62
71
66
66
69
65
62
68

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

None
None
None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

50
43
30
34
49
63
48
38
25
17
15
27
26
18
22
18
1
2
2
0
0
0
0
2

Precipitation Amount (mm)

0
0
0
0
0
0.4
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
2
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
80
80
82
85
88
89
89
88
88
88
88
88
88
88
89
89
88
85
82
81
77
73

Pressure (mb)

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

Ozone (du)

371
370
370
369
368
369
368
371
372
374
374
376
378
379
380
381
383
384
385
386
387
387
387
387

Thursday 25

Waxing Crescent 28%

11:36

22:26

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:55, Set: 16:58, Transit: 12:27. Moon - Rise: 11:36, Set: 22:26. Civil Dark: 17:30 - 07:23. Nautical Dark: 18:06 - 06:48. Astro Dark: 18:40 - 06:13

Total Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

62
53
63
71
79
86
95
100
100
100
100
100
100
100
100
99
99
98
97
96
98
99
100
100

Medium Clouds (% Sky Obscured)

34
31
48
65
76
84
90
95
84
74
64
75
86
96
97
97
98
93
88
81
72
63
55
63

High Clouds (% Sky Obscured)

83
100
93
85
82
74
64
50
53
65
90
95
98
100
100
100
100
86
73
59
67
75
84
71

ISS Passover

Visibility (miles)

9
9
9
9
8
8
7
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
1
1

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

3
1
2
2
1
3
5
4
11
11
6
58
71
66
69
84
95
92
76
49
60
66
64
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.2
0.3
0.5
1
0.7
0.5
0
0.2
0.4
0.4
0.2

Wind Speed/Direction (mph)

5
5
6
5
5
5
4
4
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
3
3
4
3
3
3
3
3
4
4
3
4
4
4
3
3
3
3
3
3
3
3

Relative Humidity (%)

77
81
83
85
86
88
88
89
91
91
93
93
93
94
96
96
94
96
94
94
94
94
93
91

Pressure (mb)

1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

385
383
382
381
380
379
379
380
381
379
378
377
376
374
373
372
371
370
368
365
362
360
358
356

Friday 26

Waxing Crescent 38%

11:56

23:35

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

Sun - Rise: 07:56, Set: 16:59, Transit: 12:28. Moon - Rise: 11:56, Set: 23:35. Civil Dark: 17:31 - 07:24. Nautical Dark: 18:06 - 06:48. Astro Dark: 18:41 - 06:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
100
100
99
99
99

Low Clouds (% Sky Obscured)

100
100
99
96
92
91
92
93
93
94
94
97
99
100
96
92
88

Medium Clouds (% Sky Obscured)

65
68
67
62
53
52
51
41
29
19
12
12
12
11
17
24
33

High Clouds (% Sky Obscured)

56
41
29
16
4
3
3
2
2
1
1
1
0
0
0
0
0

ISS Passover

Visibility (miles)

3
6
8
8
8
8
8
9
9
9
9
9
9
9
9
7
6

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

53
48
48
37
11
12
8
0
4
6
6
9
10
7
27
33
32

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
89
89
89
89
88
89
88
88
88
88
88
86
86
86
89

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1018

Ozone (du)

355
355
355
356
358
359
361
362
363
363
363
363
364
366
367
369
372

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

Generated: 20/12/25 14:49:49. Forecast: 20/12/25 to 26/12/25. Timezone: UTC+2.00