Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 0%

08:12

16:39

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

Sun - Rise: 07:32, Set: 16:39, Transit: 12:05. Moon - Rise: 08:12, Set: 16:39. Civil Dark: 17:10 - 07:00. Nautical Dark: 17:46 - 06:25. Astro Dark: 18:20 - 05:51

Total Clouds (% Sky Obscured)

72
76
76
76
14
37
22
82
100
99
91
96
92
85
94
65
43
87
100
95
100
55
51
78

Low Clouds (% Sky Obscured)

0
2
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

72
69
76
60
14
37
22
18
70
64
36
3
4
15
33
27
43
62
34
34
100
55
17
49

High Clouds (% Sky Obscured)

31
16
2
3
5
30
13
82
100
99
91
96
92
83
94
48
8
83
100
95
100
16
3
2

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 (%)

2
98
100
100
98
66
39
20
12
8
6
6
8
14
16
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
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
5
5
4
4
5
5
5
4
5
5
5
5
4
3
2
2
1
2
2
2
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
81
79
75
74
72
72
72
73
73
72
72
72
72
67
57
50
49
48
49
58
71
77
76

Pressure (mb)

1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1019
1019
1019
1019
1018
1018
1017
1016
1015
1015
1014
1014
1015
1015

Ozone (du)

334
334
332
333
334
335
338
338
335
330
321
315
310
309
316
324
329
331
330
328
331
334
337
337

Saturday 20

New Moon 2%

08:58

17:40

19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 OK
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: 07:32, Set: 16:39, Transit: 12:06. Moon - Rise: 08:58, Set: 17:40. Civil Dark: 17:11 - 07:00. Nautical Dark: 17:46 - 06:25. Astro Dark: 18:20 - 05:51

Total Clouds (% Sky Obscured)

78
87
69
63
20
28
32
50
100
100
82
85
83
78
83
83
63
67
90
100
97
78
98
95

Low Clouds (% Sky Obscured)

0
0
0
3
3
3
3
3
3
3
3
3
3
0
0
0
0
0
0
0
12
12
7
2

Medium Clouds (% Sky Obscured)

78
80
61
4
4
4
5
5
21
9
11
26
57
64
34
36
59
36
29
47
42
19
5
9

High Clouds (% Sky Obscured)

8
66
55
58
13
27
8
26
100
100
56
50
44
24
38
35
14
47
78
100
97
62
98
95

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

Chance of Frost

Temperature (°C)

6
5
5
4
4
4
4
4
4
4
4
4
4
4
5
7
9
10
10
11
10
9
8
6

Feels Like (°C)

3
3
2
2
2
2
2
1
1
1
1
1
1
1
3
5
7
8
8
9
8
8
7
3

Dew Point (°C)

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

Relative Humidity (%)

76
74
73
75
76
77
77
76
76
76
77
77
79
79
72
62
56
53
52
54
61
69
74
75

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1015
1015
1015
1014
1014
1013
1012
1012
1011
1012
1012
1012

Ozone (du)

335
331
327
324
320
319
320
319
320
319
315
313
311
313
314
313
312
308
305
303
301
302
300
295

Sunday 21

Waxing Crescent 6%

09:36

18:46

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: 07:33, Set: 16:40, Transit: 12:06. Moon - Rise: 09:36, Set: 18:46. Civil Dark: 17:11 - 07:01. Nautical Dark: 17:47 - 06:26. Astro Dark: 18:21 - 05:52

Total Clouds (% Sky Obscured)

99
100
100
100
100
94
87
80
89
90
94
90
96
100
98
98
93
96
96
95
95
96
98
100

Low Clouds (% Sky Obscured)

11
34
21
54
60
60
55
47
69
60
42
3
6
19
27
24
28
34
48
56
54
76
70
68

Medium Clouds (% Sky Obscured)

14
54
90
100
90
80
57
50
58
69
81
63
66
78
97
97
89
95
89
85
78
74
79
73

High Clouds (% Sky Obscured)

99
100
100
100
100
74
56
43
57
76
80
65
90
100
48
41
37
18
36
50
69
79
90
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
9
12
11
12
10
6

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

Chance of Frost

Temperature (°C)

5
4
4
4
4
4
4
4
4
4
4
4
4
4
5
8
9
10
9
9
9
9
8
7

Feels Like (°C)

3
2
2
1
2
2
1
2
1
2
1
2
1
2
3
6
7
8
7
7
7
8
7
5

Dew Point (°C)

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

Relative Humidity (%)

73
73
71
73
69
71
69
75
76
76
75
77
77
79
73
68
59
55
54
57
66
76
75
75

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1010
1010
1009
1008
1008
1008
1008
1008
1008

Ozone (du)

293
294
293
293
293
295
297
298
300
301
301
301
307
309
313
315
317
320
321
323
327
344
360
365

Monday 22

Waxing Crescent 12%

10:07

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: 07:33, Set: 16:40, Transit: 12:07. Moon - Rise: 10:07, Set: No Set. Civil Dark: 17:12 - 07:01. Nautical Dark: 17:47 - 06:26. Astro Dark: 18:21 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
100
100
100
100
100

Low Clouds (% Sky Obscured)

33
57
62
80
75
72
78
84
92
84
74
64
45
35
32
28
28
63
25
65
68
57
49
40

Medium Clouds (% Sky Obscured)

90
96
100
100
100
100
100
87
100
100
81
100
100
100
100
100
100
100
68
61
59
64
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
76
100
92
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
6

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
Very Light Rain
Light Rain

Precipitation Probability (%)

7
8
3
10
13
26
40
51
48
52
53
39
42
33
22
23
19
16
35
47
58
64
81
80

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
0.3
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
79
79
79
78
76
75
75
76
75
76
76
76
81
79
71
68
65
64
63
67
78
84
90

Pressure (mb)

1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1005
1005
1005
1005
1005
1004
1004
1003
1002
1002
1003
1002
1002

Ozone (du)

372
369
379
381
389
390
391
394
395
395
397
397
399
401
402
404
405
406
407
407
408
408
407
407

Tuesday 23

Waxing Crescent 19%

10:33

19:54

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: 07:33, Set: 16:41, Transit: 12:07. Moon - Rise: 10:33, Set: 19:54. Civil Dark: 17:12 - 07:02. Nautical Dark: 17:48 - 06:27. Astro Dark: 18:22 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
89
82
75
81
87
93
95
96
98
92
87
83

Low Clouds (% Sky Obscured)

51
70
88
91
93
92
95
93
87
77
65
56
32
25
22
31
49
56
63
73
76
71
63
48

Medium Clouds (% Sky Obscured)

37
29
29
100
85
56
100
99
100
98
93
96
66
37
8
35
63
90
92
94
96
85
74
65

High Clouds (% Sky Obscured)

24
100
85
97
91
81
72
72
72
81
89
100
89
79
69
68
68
68
45
23
0
0
5
15

ISS Passover

Visibility (miles)

8
9
9
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

72
74
80
95
95
95
95
92
71
62
56
40
19
17
10
19
22
22
39
46
44
50
56
59

Precipitation Amount (mm)

0
0
0
0.7
0.8
1.2
0.9
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
91
90
91
91
90
94
91
91
90
91
91
91
85
80
75
71
68
65
70
76
82
83
86

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1004
1004
1005
1005
1006
1005
1005
1005
1006
1006
1006
1007
1007

Ozone (du)

407
405
408
406
403
403
399
398
400
402
403
405
408
410
411
413
413
414
414
414
414
414
416
417

Wednesday 24

Waxing Crescent 28%

10:56

21:02

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: 07:34, Set: 16:41, Transit: 12:08. Moon - Rise: 10:56, Set: 21:02. Civil Dark: 17:13 - 07:02. Nautical Dark: 17:48 - 06:27. Astro Dark: 18:22 - 05:53

Total Clouds (% Sky Obscured)

76
63
54
69
86
99
100
100
100
92
86
76
74
69
67
78
87
100
100
100
100
98
96
95

Low Clouds (% Sky Obscured)

44
35
36
37
38
51
57
68
66
69
67
66
64
63
52
44
43
37
45
56
69
63
58
52

Medium Clouds (% Sky Obscured)

52
40
27
51
75
99
93
88
82
68
53
35
35
35
35
47
60
71
81
90
100
95
90
85

High Clouds (% Sky Obscured)

40
55
50
61
62
62
62
80
100
76
52
32
20
13
5
37
70
100
100
100
100
87
73
57

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

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

Precipitation Probability (%)

61
61
61
67
67
58
61
58
50
68
77
80
92
95
95
95
95
93
87
77
60
54
46
27

Precipitation Amount (mm)

0.2
0.2
0.2
0.3
0.3
0
0
0
0
0.3
0.4
0.4
0.5
0.6
0.7
0.7
0.6
0.5
0.4
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
88
88
88
86
88
88
89
93
91
90
91
85
79
75
75
75
76
78
79
81
83
86

Pressure (mb)

1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

418
418
419
419
421
422
424
423
423
422
421
420
419
419
418
417
415
413
410
410
410
410
408
405

Thursday 25

Waxing Crescent 38%

11:17

22:10

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

Sun - Rise: 07:34, Set: 16:42, Transit: 12:08. Moon - Rise: 11:17, Set: 22:10. Civil Dark: 17:14 - 07:02. Nautical Dark: 17:49 - 06:27. Astro Dark: 18:23 - 05:53

Total Clouds (% Sky Obscured)

96
98
100
97
94
91
72
62
46
47
51
56
73
87
100
98
97
95

Low Clouds (% Sky Obscured)

52
53
51
44
36
30
27
25
20
19
19
16
16
10
5
5
5
5

Medium Clouds (% Sky Obscured)

91
95
100
96
93
89
65
41
17
17
13
8
37
65
93
84
74
65

High Clouds (% Sky Obscured)

49
40
28
30
33
38
39
38
30
30
35
40
60
77
100
94
92
82

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 (%)

29
23
11
15
15
9
13
14
9
15
15
7
11
11
8
12
12
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
86
85
86
86
86
85
85
83
83
83
83
79
73
68
65
61

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008

Ozone (du)

403
401
400
398
398
398
398
398
397
397
396
395
394
391
389
386
383
379

Forecast for Cervara di Roma, Province of Rome, Italy (41.99,13.07)

Generated: 19/12/25 19:47:41. Forecast: 19/12/25 to 25/12/25. Timezone: UTC+1.00