Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

New Moon 0%

08:27

16:40

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:44, Set: 16:41, Transit: 12:12. Moon - Rise: 08:27, Set: 16:40. Civil Dark: 17:13 - 07:11. Nautical Dark: 17:50 - 06:36. Astro Dark: 18:25 - 06:01

Total Clouds (% Sky Obscured)

65
72
71
99
100
100
100
96
92
100
100
100
100
100
100
100
99
97
91
96
94
99
100
100

Low Clouds (% Sky Obscured)

48
43
49
46
42
41
49
53
39
23
30
36
37
48
40
36
12
9
28
37
43
36
37
32

Medium Clouds (% Sky Obscured)

65
72
71
99
99
95
90
88
79
77
77
80
84
89
100
100
98
84
77
84
85
94
100
99

High Clouds (% Sky Obscured)

49
19
44
24
87
100
100
54
16
100
100
100
100
100
100
100
94
82
47
63
12
38
30
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 (%)

100
100
98
8
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
6
16
19
33
41

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
8
9
11
11
11
11
11
11
9
8
7
7
7
7
7
7
7
6
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

95
95
91
87
83
80
77
77
77
86
91
93
93
93
91
93
93
93
91
91
93
91
91
90

Pressure (mb)

1019
1019
1019
1019
1019
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014

Ozone (du)

331
333
334
334
332
329
325
318
316
318
320
317
317
315
313
313
314
313
312
312
309
306
304
302

Sunday 21

Waxing Crescent 2%

09:12

17:41

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:45, Set: 16:41, Transit: 12:13. Moon - Rise: 09:12, Set: 17:41. Civil Dark: 17:14 - 07:12. Nautical Dark: 17:50 - 06:36. Astro Dark: 18:25 - 06:01

Total Clouds (% Sky Obscured)

99
100
100
99
97
99
100
100
100
100
100
100
100
97
97
97
99
100
99
99
100
100
100
99

Low Clouds (% Sky Obscured)

21
20
10
13
17
16
22
16
1
5
9
2
2
1
0
21
24
52
61
57
56
51
57
40

Medium Clouds (% Sky Obscured)

99
100
100
98
93
99
100
100
100
100
100
100
99
88
94
82
80
91
82
62
60
62
82
75

High Clouds (% Sky Obscured)

99
100
98
66
26
98
100
100
100
100
92
100
100
78
18
36
44
76
54
81
100
100
100
77

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 (%)

42
46
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5

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
1
1
1
1
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
6
6
6
6
6
6
6
7
7
6
6
6
6
6
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

90
91
87
81
76
72
70
67
73
78
80
82
85
87
87
87
87
87
85
85
85
85
87
84

Pressure (mb)

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

Ozone (du)

303
302
301
300
299
298
299
297
292
286
283
282
281
282
283
284
286
286
287
288
289
293
298
302

Monday 22

Waxing Crescent 6%

09:49

18:48

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:45, Set: 16:42, Transit: 12:13. Moon - Rise: 09:49, Set: 18:48. Civil Dark: 17:14 - 07:12. Nautical Dark: 17:51 - 06:37. Astro Dark: 18:26 - 06:02

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
99
100
93
73
76
98
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
28
25
29
15
30
34
43
31
35
55
52
64
59
82
83
80
77
66
57
44
49
55
59

Medium Clouds (% Sky Obscured)

88
94
73
79
81
81
97
91
91
85
42
48
51
52
75
98
88
100
100
100
100
97
95
94

High Clouds (% Sky Obscured)

87
99
100
100
100
95
95
95
100
15
3
8
55
58
89
100
100
100
100
100
100
98
96
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
5
3
6
3
9

Fog (%)

20
37
32
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

1
0
0
1
1
2
5
8
9
7
7
4
7
15
20
10
36
95
95
95
92
95
73
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
0.9
1.1
0.6
1.2
0.5
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
82
78
73
66
70
72
71
76
78
78
78
75
78
75
77
77
84
90
93
93
95
95

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1009
1009
1009
1010
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008

Ozone (du)

308
315
322
321
321
319
320
322
335
350
357
369
371
367
376
375
375
375
380
384
387
391
393
394

Tuesday 23

Waxing Crescent 12%

10:19

19:57

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:45, Set: 16:42, Transit: 12:14. Moon - Rise: 10:19, Set: 19:57. Civil Dark: 17:15 - 07:13. Nautical Dark: 17:51 - 06:37. Astro Dark: 18:26 - 06:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
95
94
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

56
60
66
65
63
59
53
49
53
51
56
57
55
25
21
23
27
48
57
69
79
83
88
92

Medium Clouds (% Sky Obscured)

97
98
100
100
100
100
87
87
79
87
94
81
99
90
98
99
99
100
71
100
100
99
98
97

High Clouds (% Sky Obscured)

96
98
100
100
100
100
78
58
44
62
79
89
93
96
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
3
9
9
9
9
9
9
9
9
9
3
5
6
8

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

Precipitation Probability (%)

25
24
25
25
30
51
66
53
67
78
59
16
21
19
8
14
31
34
67
80
95
95
95
88

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0
0
0.5
0.3
0
0
0
0
0
0
0
0
0.3
2.4
1
1.6
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
91
88
87
81
77
80
84
88
93
96
96
95
95
93
93
94
94
96
98
100
100
98

Pressure (mb)

1008
1008
1008
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005

Ozone (du)

396
398
399
400
399
397
398
399
399
402
404
407
408
411
410
409
409
410
409
407
406
405
402
399

Wednesday 24

Waxing Crescent 19%

10:44

21:06

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:46, Set: 16:43, Transit: 12:14. Moon - Rise: 10:44, Set: 21:06. Civil Dark: 17:16 - 07:13. Nautical Dark: 17:52 - 06:37. Astro Dark: 18:27 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
98
99
100

Low Clouds (% Sky Obscured)

92
92
90
87
83
79
75
71
70
72
74
77
90
85
73
64
61
61
60
59
58
74
84
91

Medium Clouds (% Sky Obscured)

98
99
100
100
100
100
100
95
88
100
100
100
89
82
72
81
89
99
85
72
59
71
83
95

High Clouds (% Sky Obscured)

100
100
100
100
100
100
97
95
94
97
99
100
97
98
100
76
52
62
80
88
92
95
98
100

ISS Passover

Visibility (miles)

3
5
9
9
9
9
9
8
9
9
9
9
9
8
7
5
7
8
9
9
9
9
8
7

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

Precipitation Probability (%)

95
92
78
73
65
68
74
66
49
42
41
36
90
80
63
66
65
63
64
61
53
65
71
72

Precipitation Amount (mm)

1.1
0.7
0.3
0.2
0
0
0.2
0
0
0
0
0
0.7
0.5
0.3
0.3
0.3
0.4
0.3
0.2
0
0.2
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
7
7
8
8
8
7
7
6
6
7
7
7
7
7
7
6
6
6
6
6

Dew Point (°C)

8
8
8
7
7
7
8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
6
6
6

Relative Humidity (%)

96
98
95
90
88
88
91
91
93
93
95
95
95
95
95
93
93
91
93
91
91
90
90
90

Pressure (mb)

1005
1006
1007
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

396
393
394
396
396
399
401
401
400
398
400
400
399
398
396
394
394
395
396
396
396
396
397
398

Thursday 25

Waxing Crescent 28%

11:06

22:16

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:46, Set: 16:44, Transit: 12:15. Moon - Rise: 11:06, Set: 22:16. Civil Dark: 17:16 - 07:14. Nautical Dark: 17:52 - 06:38. Astro Dark: 18:27 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
95
92
88
90
88
87
83
74
62
57
57
56
57
58
58

Low Clouds (% Sky Obscured)

85
79
72
70
67
66
63
60
57
51
44
36
31
26
21
22
24
24
29
38
44
47
46
41

Medium Clouds (% Sky Obscured)

97
98
100
93
86
78
64
46
26
26
26
26
27
28
29
29
30
35
33
31
33
34
25
26

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
80
61
41
39
56
81
83
74
62
57
57
56
57
58
58

ISS Passover

Visibility (miles)

5
7
8
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

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

Precipitation Probability (%)

73
76
79
69
62
57
60
58
52
47
40
26
30
29
20
30
33
31
29
25
16
21
26
28

Precipitation Amount (mm)

0.3
0.4
0.5
0.3
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
7
7
7
7
6
6
6
6
6
6
5
5
5
5
5
5
5
5
6

Relative Humidity (%)

91
87
85
82
81
81
80
80
81
81
84
87
88
90
91
91
91
91
94
94
93
93
93
94

Pressure (mb)

1011
1011
1012
1012
1012
1012
1011
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

399
398
397
396
394
392
390
390
389
389
391
394
396
396
396
395
395
394
393
392
392
391
391
392

Friday 26

Waxing Crescent 38%

11:25

23:26

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: 07:47, Set: 16:44, Transit: 12:15. Moon - Rise: 11:25, Set: 23:26. Civil Dark: 17:17 - 07:14. Nautical Dark: 17:53 - 06:38. Astro Dark: 18:28 - 06:03

Total Clouds (% Sky Obscured)

66
76
82
89
95
99
99
98
97
86
75
81
89
94
89
87
83
80

Low Clouds (% Sky Obscured)

44
53
60
67
72
75
73
71
69
65
62
67
61
51
39
33
30
27

Medium Clouds (% Sky Obscured)

21
16
17
6
1
0
2
3
5
14
23
33
55
77
89
81
78
77

High Clouds (% Sky Obscured)

57
38
57
40
20
18
15
13
6
30
54
78
77
75
74
49
25
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

42
48
51
46
38
23
26
24
10
17
15
3
7
9
0
1
1
0

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
6
6
6
6
6
6
6
5
5
5
5
5

Relative Humidity (%)

94
91
90
87
85
81
78
81
82
84
85
88
90
91
93
93
93
93

Pressure (mb)

1015
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017

Ozone (du)

392
393
394
394
393
393
392
392
392
392
392
392
392
393
393
394
394
394

Forecast for Madonna di Pietracupa, Province of Florence, Italy (43.52,11.24)

Generated: 20/12/25 07:14:49. Forecast: 20/12/25 to 26/12/25. Timezone: UTC+1.00