Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 6%

09:52

18:49

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:48, Set: 16:42, Transit: 12:15. Moon - Rise: 09:52, Set: 18:49. Civil Dark: 17:15 - 07:15. Nautical Dark: 17:52 - 06:39. Astro Dark: 18:27 - 06:04

Total Clouds (% Sky Obscured)

83
87
90
99
100
100
100
100
90
62
90
98
97
90
96
98
100
100
100
95
92
97
94
95

Low Clouds (% Sky Obscured)

1
1
1
2
5
10
10
11
12
36
39
11
9
14
18
22
23
19
22
26
40
49
53
58

Medium Clouds (% Sky Obscured)

83
76
90
89
97
93
75
55
63
46
81
73
84
76
94
96
100
100
100
91
87
94
89
91

High Clouds (% Sky Obscured)

83
87
90
96
100
100
100
100
78
45
79
93
94
54
41
46
100
100
100
30
5
5
5
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
8
8

Fog (%)

0
0
0
0
3
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
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
3
7
5
0
1
1
2
0
0
0
2
0
0
1
0
2
2
7
27
40

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
87
85
87
87
90
88
90
88
88
88
88
90
88
82
80
77
76
76
80
84
88
88

Pressure (mb)

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

Ozone (du)

283
285
287
287
289
288
291
293
296
298
300
301
309
312
309
310
310
309
311
311
318
334
353
364

Monday 22

Waxing Crescent 12%

10:22

No Set

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:49, Set: 16:43, Transit: 12:16. Moon - Rise: 10:22, Set: No Set. Civil Dark: 17:16 - 07:16. Nautical Dark: 17:52 - 06:39. Astro Dark: 18:27 - 06:04

Total Clouds (% Sky Obscured)

94
97
100
96
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

78
72
59
65
57
62
89
100
100
100
100
97
96
100
98
100
93
90
86
83
80
77
83
90

Medium Clouds (% Sky Obscured)

85
94
90
78
72
70
83
98
96
100
100
96
93
100
100
100
100
100
100
100
93
99
97
98

High Clouds (% Sky Obscured)

10
15
93
94
77
81
87
89
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
1
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
None
None
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

57
50
57
28
15
15
34
70
95
95
95
83
80
91
78
64
80
63
61
66
42
35
56
48

Precipitation Amount (mm)

0.6
0.4
0.4
0
0
0
0
0.4
2
2.9
2.3
0.7
0.8
1.4
0.9
0.5
1
0.4
0.4
0.5
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
91
93
90
88
88
85
87
87
91
88
88
90
90
88
90
88
88
91
93
90
91
93

Pressure (mb)

1013
1012
1012
1012
1012
1012
1012
1012
1012
1011
1010
1010
1010
1010
1011
1011
1011
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

371
369
376
377
382
386
389
392
393
395
396
399
400
400
399
397
395
395
395
394
395
394
395
397

Tuesday 23

Waxing Crescent 19%

10:47

19:58

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:49, Set: 16:44, Transit: 12:16. Moon - Rise: 10:47, Set: 19:58. Civil Dark: 17:17 - 07:16. Nautical Dark: 17:53 - 06:40. Astro Dark: 18:28 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
95

Low Clouds (% Sky Obscured)

97
100
100
99
100
100
100
100
90
90
87
79
88
89
86
80
83
86
78
70
62
64
69
72

Medium Clouds (% Sky Obscured)

97
100
94
59
93
86
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
93
87
81

High Clouds (% Sky Obscured)

100
100
100
100
100
62
88
100
100
31
27
25
17
46
12
44
14
15
20
25
20
26
35
47

ISS Passover

Visibility (miles)

8
3
4
3
9
8
8
8
8
9
1
1
3
3
3
3
7
8
8
8
8
8
8
9

Fog (%)

2
3
1
1
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
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

71
88
95
76
58
66
95
95
95
95
95
95
95
87
76
64
45
38
35
30
28
29
26
56

Precipitation Amount (mm)

0.4
0.5
0.7
0
0
0
1
2.2
1.3
0.9
1.5
0.6
0.5
0.5
0.4
0.3
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
95
90
91
90
90
90
91
98
93
94
94
94
93
93
90
90
90
90
90
90
88

Pressure (mb)

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

Ozone (du)

399
400
399
400
400
400
399
399
400
400
402
405
405
405
408
407
405
405
408
409
410
412
414
417

Wednesday 24

Waxing Crescent 28%

11:08

21:08

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
15 Bad
16 Bad
17 Bad
18 OK

Sun - Rise: 07:49, Set: 16:44, Transit: 12:17. Moon - Rise: 11:08, Set: 21:08. Civil Dark: 17:17 - 07:17. Nautical Dark: 17:54 - 06:40. Astro Dark: 18:29 - 06:05

Total Clouds (% Sky Obscured)

92
90
87
89
92
95
96
98
99
99
100
100
94
90
94
100
100
100
66
65
48
52
36
29

Low Clouds (% Sky Obscured)

70
70
75
74
76
76
58
78
80
77
77
81
65
56
63
69
69
66
37
38
28
36
21
19

Medium Clouds (% Sky Obscured)

73
65
56
67
77
88
85
81
74
84
92
97
82
81
81
80
80
80
66
65
48
52
36
29

High Clouds (% Sky Obscured)

46
42
41
34
27
25
47
69
92
79
70
48
46
57
72
76
76
75
66
65
48
52
36
19

ISS Passover

Visibility (miles)

4
2
8
8
8
8
8
8
8
8
8
8
8
8
8
2
0
8
8
8
8
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
90
49
45
40
33
40
32
35
35
28
29
30
29
17
28
25
10
17
17
10
15
15
6

Precipitation Amount (mm)

1.5
1
0.2
0.2
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
1
1
2
3
4
5
6
7
8
8
7
7
7
5
7
8
8
8
9
9
8
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
94
91
91
91
90
91
90
90
88
91
91
91
93
91
91
91
85
87
84
85
88
88
86

Pressure (mb)

1012
1013
1014
1014
1014
1015
1015
1015
1016
1016
1017
1017
1018
1019
1019
1020
1020
1020
1020
1020
1020
1021
1021
1022

Ozone (du)

420
418
415
415
415
413
409
409
409
411
413
416
418
418
417
417
415
412
411
410
408
407
406
406

Thursday 25

Waxing Crescent 38%

11:28

22:17

19 Bad
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
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

Sun - Rise: 07:50, Set: 16:45, Transit: 12:17. Moon - Rise: 11:28, Set: 22:17. Civil Dark: 17:18 - 07:17. Nautical Dark: 17:54 - 06:40. Astro Dark: 18:29 - 06:05

Total Clouds (% Sky Obscured)

31
26
18
20
27
24
27
25
32
44
52
21
39
43
49
54
51
53
60
70
75
63
51
39

Low Clouds (% Sky Obscured)

23
21
18
20
27
23
23
22
28
40
48
21
25
31
36
43
49
53
60
63
67
55
46
36

Medium Clouds (% Sky Obscured)

18
9
0
3
5
7
10
12
14
8
3
0
8
8
10
15
17
24
23
22
21
19
13
9

High Clouds (% Sky Obscured)

14
10
4
3
2
0
0
0
0
0
0
0
0
0
0
2
2
1
1
0
0
0
1
0

ISS Passover

Visibility (miles)

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

12
12
7
14
15
8
11
8
5
6
5
2
3
1
0
2
1
1
4
7
13
13
12
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
86
86
86
88
86
88
88
88
89
88
89
93
88
85
81
79
77
75
79
82
87
88
90

Pressure (mb)

1022
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1026
1025
1025
1025
1025
1025
1025
1026
1026

Ozone (du)

404
403
402
401
398
394
390
387
387
388
389
388
388
386
384
382
380
378
376
377
377
378
376
374

Friday 26

Waxing Crescent 49%

11:47

23:28

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:50, Set: 16:46, Transit: 12:18. Moon - Rise: 11:47, Set: 23:28. Civil Dark: 17:19 - 07:17. Nautical Dark: 17:55 - 06:41. Astro Dark: 18:30 - 06:06

Total Clouds (% Sky Obscured)

42
41
40
52
57
62
70
78
88
87
86
88
89
88
91
92
97
89
83
82
80
71
63
55

Low Clouds (% Sky Obscured)

35
37
40
49
49
51
53
55
56
54
48
40
32
29
29
24
20
15
14
14
13
11
8
5

Medium Clouds (% Sky Obscured)

9
8
6
4
1
0
2
4
6
19
30
42
54
66
82
87
91
89
83
82
80
64
55
43

High Clouds (% Sky Obscured)

0
0
0
5
9
16
29
61
88
87
86
84
65
40
35
15
15
10
15
24
57
54
46
55

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 (%)

12
12
8
8
6
0
2
2
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
6
6
6
6
7
7
7
7
7
6
6
5
6
7
7
7
7
6
6
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
3
4
3
3
3
3
3
3
3
3
2
3
3
4
4
4
5
7
8
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
93
91
93
93
93
93
93
93
91
91
88
85
84
80
77
73
76
78
81
84
85

Pressure (mb)

1026
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

372
370
368
366
362
357
353
350
347
343
342
340
338
336
335
334
332
329
327
325
323
321
321
321

Saturday 27

First Quarter 61%

12:07

00:40

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 Good

Sun - Rise: 07:50, Set: 16:46, Transit: 12:18. Moon - Rise: 12:07, Set: 00:40. Civil Dark: 17:19 - 07:17. Nautical Dark: 17:56 - 06:41. Astro Dark: 18:31 - 06:06

Total Clouds (% Sky Obscured)

59
55
60
63
73
83
84
85
85
90
95
100
100
99
98
73
42
15

Low Clouds (% Sky Obscured)

4
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

31
19
7
11
14
18
29
39
51
60
69
78
84
91
98
73
42
15

High Clouds (% Sky Obscured)

59
55
60
63
73
79
78
77
76
84
92
100
99
99
95
73
42
15

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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
85
85
83
82
82
82
82
80
79
78
78
75
74
73
68
65

Pressure (mb)

1028
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1023

Ozone (du)

321
322
323
324
324
323
322
322
321
320
320
320
320
320
320
319
320
320

Forecast for Margine Coperta-Traversagna, Provincia di Pistoia, Italy (43.88,10.76)

Generated: 21/12/25 19:15:46. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+1.00