Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 2%

09:00

17:43

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

Sun - Rise: 07:34, Set: 16:42, Transit: 12:08. Moon - Rise: 09:00, Set: 17:43. Civil Dark: 17:14 - 07:02. Nautical Dark: 17:49 - 06:27. Astro Dark: 18:23 - 05:53

Total Clouds (% Sky Obscured)

53
64
72
78
87
77
85
100
100
86
100
97
93
83
91
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
2
2
1
0
0
0
0
0
0
0
0
6
6
3
9
22
24
33
47
47
42
38

Medium Clouds (% Sky Obscured)

53
64
72
78
76
63
68
100
100
86
84
92
38
38
57
52
77
95
92
100
76
75
78
71

High Clouds (% Sky Obscured)

53
64
72
78
87
77
85
100
95
10
98
97
93
83
91
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
3
7
6
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
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
4
4
4
4
4
4
3
2
2
2
2
2
2
2
2
3
3
3
3
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
7
8
10
12
12
13
14
15
15
14
13
12
11
10
10
10
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

62
62
63
64
66
66
62
56
52
50
48
47
47
51
56
59
61
62
62
62
63
63
62
62

Pressure (mb)

1014
1014
1013
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

308
305
302
302
303
302
299
298
298
298
298
299
298
292
287
288
290
290
292
295
297
298
299
302

Monday 22

Waxing Crescent 6%

09:38

18:49

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

Sun - Rise: 07:34, Set: 16:42, Transit: 12:08. Moon - Rise: 09:38, Set: 18:49. Civil Dark: 17:14 - 07:03. Nautical Dark: 17:49 - 06:28. Astro Dark: 18:23 - 05:54

Total Clouds (% Sky Obscured)

100
99
99
99
98
99
97
88
82
95
96
91
92
85
99
93
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

30
27
23
22
10
14
7
2
2
14
23
17
22
28
30
45
78
77
81
81
65
85
79
61

Medium Clouds (% Sky Obscured)

87
92
65
64
68
59
56
63
31
35
32
31
63
37
88
77
34
38
39
58
94
95
100
69

High Clouds (% Sky Obscured)

100
73
94
93
53
79
41
36
48
0
0
0
0
14
99
66
98
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
None
None
None

Precipitation Probability (%)

3
3
2
1
0
1
1
1
4
10
3
5
10
17
19
22
32
35
46
66
66
64
64
56

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
4
3
4
4
4
4
3
3
4
5
5
6
6
6
7
7
11
12
10
9
7

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
13
15
16
17
17
17
16
15
14
14
14
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
60
59
59
59
58
55
50
45
41
41
40
43
49
56
58
55
52
55
63
79
76
76
75

Pressure (mb)

1011
1010
1010
1010
1010
1011
1011
1011
1011
1010
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1009
1009
1009

Ozone (du)

305
309
312
312
313
318
321
318
320
320
321
319
318
325
329
329
338
353
360
354
353
359
365
365

Tuesday 23

Waxing Crescent 12%

10:09

19:56

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

Sun - Rise: 07:35, Set: 16:43, Transit: 12:09. Moon - Rise: 10:09, Set: 19:56. Civil Dark: 17:15 - 07:03. Nautical Dark: 17:50 - 06:28. Astro Dark: 18:24 - 05:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
76
72
70
63
41
25
25
100
100
100
98
100

Low Clouds (% Sky Obscured)

50
28
41
62
81
80
85
79
60
44
57
34
42
38
27
24
13
10
25
50
16
26
69
71

Medium Clouds (% Sky Obscured)

53
55
82
60
82
100
100
100
98
83
82
70
41
4
40
50
40
25
25
94
82
93
62
46

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
100
100
100
98
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
5
9
9
9
9
8
9
9
9
9
9
8
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

42
45
42
52
58
76
95
95
92
84
86
69
57
56
50
60
49
45
53
54
43
36
41
44

Precipitation Amount (mm)

0
0
0
0
0
0.3
1.2
2
0.5
0.4
0.6
0.3
0
0
0
0.3
0.2
0
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

6
6
7
7
8
8
10
11
12
12
12
11
9
8
7
6
5
5
5
5
5
6
6
7

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
14
14
13
13
14
14
14
13
13
12
12
11
11
11
10
10
11
11

Feels Like (°C)

11
12
11
11
11
11
12
11
11
10
11
11
11
10
10
10
10
10
9
9
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

75
76
77
76
76
74
74
76
84
83
73
70
73
74
76
77
80
80
81
80
81
81
80
81

Pressure (mb)

1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1008
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

370
374
378
381
382
386
390
390
391
394
393
391
395
402
407
407
407
412
416
419
416
408
406
404

Wednesday 24

Waxing Crescent 19%

10:35

21:04

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

Sun - Rise: 07:35, Set: 16:44, Transit: 12:09. Moon - Rise: 10:35, Set: 21:04. Civil Dark: 17:15 - 07:04. Nautical Dark: 17:50 - 06:29. Astro Dark: 18:24 - 05:55

Total Clouds (% Sky Obscured)

100
99
98
98
100
100
97
93
100
99
90
70
71
62
57
72
100
96
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

67
56
41
2
7
10
13
17
21
29
19
18
13
6
7
7
56
49
52
67
71
80
98
95

Medium Clouds (% Sky Obscured)

45
50
41
39
35
34
36
52
100
99
80
48
47
37
35
58
100
94
100
100
100
100
100
99

High Clouds (% Sky Obscured)

100
99
98
98
100
100
97
92
81
77
77
70
71
62
42
35
35
35
30
30
34
34
36
29

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
6
9
6
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
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

35
31
38
30
25
28
20
28
30
25
29
35
40
47
43
60
61
53
60
65
72
80
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0.2
0
0
0.2
0.5
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
10
10
10
11
12
13
13
14
14
13
13
12
11
10
11
10
10
10
10
10
10

Feels Like (°C)

9
8
8
8
8
8
9
9
10
10
10
11
12
12
12
11
10
9
9
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

81
75
73
74
73
72
69
64
56
53
53
54
56
62
67
72
80
80
81
81
78
77
78
76

Pressure (mb)

1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

405
404
404
401
400
399
400
403
408
411
411
410
410
411
411
412
414
416
414
412
409
408
405
402

Thursday 25

Waxing Crescent 28%

10:58

22:12

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

Sun - Rise: 07:36, Set: 16:44, Transit: 12:10. Moon - Rise: 10:58, Set: 22:12. Civil Dark: 17:16 - 07:04. Nautical Dark: 17:51 - 06:29. Astro Dark: 18:25 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
98
99
97
50
49
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
85
72
32
28
20
11
21
33
42
36
28
20
14
6
2
24
27
25
24
21
17
19
22

Medium Clouds (% Sky Obscured)

99
99
100
97
99
96
35
37
94
100
100
100
100
100
100
100
100
99
98
99
99
100
100
100

High Clouds (% Sky Obscured)

24
19
19
20
20
19
24
23
77
100
100
100
100
100
100
85
61
54
47
65
82
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
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
95
80
81
75
43
49
48
47
44
44
35
27
20
9
39
41
38
41
40
29
35
34

Precipitation Amount (mm)

0.8
0.6
0.7
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
12
9
8
7
6
5
5
5
6
6
5
4
2
2
2
2
2
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

10
11
11
11
10
10
11
12
13
14
14
14
14
13
12
12
12
12
11
11
11
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
77
77
77
77
78
76
67
61
58
56
56
56
60
65
66
67
67
67
69
68
68
68
65

Pressure (mb)

1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1013
1013
1014
1014
1014
1014
1015
1015
1016
1015
1015
1015
1015

Ozone (du)

399
396
394
393
393
392
391
390
390
390
392
392
391
391
390
390
388
389
389
389
389
389
389
388

Friday 26

Waxing Crescent 38%

11:19

23:21

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

Sun - Rise: 07:36, Set: 16:45, Transit: 12:10. Moon - Rise: 11:19, Set: 23:21. Civil Dark: 17:16 - 07:04. Nautical Dark: 17:52 - 06:29. Astro Dark: 18:25 - 05:55

Total Clouds (% Sky Obscured)

100
99
99
98
97
96
95
96
97
98
97
97
97
97
99
100
99
99
98
96
94
92
86
89

Low Clouds (% Sky Obscured)

25
29
31
31
41
51
63
60
63
65
73
78
78
68
59
50
34
21
9
7
5
4
4
6

Medium Clouds (% Sky Obscured)

100
99
99
98
97
96
95
95
95
96
94
89
83
90
97
100
99
99
98
96
94
92
86
89

High Clouds (% Sky Obscured)

100
99
98
95
83
70
65
69
73
94
97
97
97
97
99
100
98
99
95
90
90
90
85
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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 (%)

29
32
31
26
31
29
13
28
29
21
28
26
15
24
25
24
25
26
22
26
26
21
20
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
3
3
3
4
4
5
5
5
4
4
4
4
3
3
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
11
11
12
13
14
14
13
13
13
12
11
11
10
10
10
10
10
10

Feels Like (°C)

9
8
8
8
8
8
8
8
9
9
9
12
12
11
11
11
10
9
9
9
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

63
61
60
59
60
57
54
52
51
48
46
49
49
51
56
61
66
67
68
69
67
66
65
64

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1016
1015
1015
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

386
385
384
382
381
380
378
377
375
373
371
369
367
366
364
363
361
361
361
361
360
358
357
355

Saturday 27

First Quarter 49%

11:40

00:31

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:36, Set: 16:46, Transit: 12:11. Moon - Rise: 11:40, Set: 00:31. Civil Dark: 17:17 - 07:05. Nautical Dark: 17:52 - 06:30. Astro Dark: 18:26 - 05:56

Total Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
100
95
80
70
70
70
70
86
100
100
99
98
97

Low Clouds (% Sky Obscured)

5
5
5
5
11
18
24
38
52
65
75
80
70
70
70
70
86
96
96
80
64
48

Medium Clouds (% Sky Obscured)

93
88
86
84
89
94
100
100
100
100
95
80
70
70
70
70
86
100
100
95
91
86

High Clouds (% Sky Obscured)

85
85
90
95
95
100
100
100
99
99
95
80
70
70
70
70
83
74
65
52
42
32

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

Fog (%)

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

Precipitation Probability (%)

5
9
8
1
5
6
3
11
10
4
17
21
18
21
21
16
15
12
7
7
5
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
8
9
10
11
12
13
14
13
13
13
12
12
11
11
11
10
10
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
67
69
70
68
66
65
61
57
54
59
64
69
71
73
77
77
74
74
74
74

Pressure (mb)

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

Ozone (du)

352
350
348
345
343
342
341
340
338
337
336
335
335
334
334
334
334
334
333
333
333
333

Forecast for Testaccio, Province of Rome, Italy (41.86,12.48)

Generated: 21/12/25 03:42:24. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+1.00