Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 3%

06:21

14:27

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:32, Set: 16:40, Transit: 12:06. Moon - Rise: 06:21, Set: 14:27. Civil Dark: 17:12 - 07:01. Nautical Dark: 17:47 - 06:26. Astro Dark: 18:21 - 05:52

Total Clouds (% Sky Obscured)

45
48
61
69
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

18
25
28
30
22
26
23
20
25
28
38
54
32
9
8
17
20
22
20
19
14
3
3
3

Medium Clouds (% Sky Obscured)

19
24
41
68
61
32
63
83
100
100
100
100
100
98
94
59
88
70
51
25
27
69
36
3

High Clouds (% Sky Obscured)

3
0
0
69
100
100
100
100
100
100
100
100
100
100
100
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
33
28
25
15
12
12
10
11
9
6
3
3
4
3
2
2
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

18
18
18
17
16
15
15
14
14
14
14
14
14
13
13
13
13
12
12
11
11
12
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
62
61
65
69
75
75
74
73
73
73
73
72
72
72
71
71
71
72
72
71
67
62
58

Pressure (mb)

1023
1022
1023
1023
1023
1023
1024
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1029
1029

Ozone (du)

333
332
333
331
332
333
334
335
338
340
341
341
341
339
339
341
341
342
341
341
341
342
342
344

Thursday 18

Waning Crescent 1%

07:20

15:04

12 Bad
13 Bad
14 OK
15 Bad
16 Bad
17 Bad
18 OK
19 Good
20 OK
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

Sun - Rise: 07:33, Set: 16:41, Transit: 12:06. Moon - Rise: 07:20, Set: 15:04. Civil Dark: 17:12 - 07:01. Nautical Dark: 17:47 - 06:26. Astro Dark: 18:21 - 05:52

Total Clouds (% Sky Obscured)

100
88
34
89
69
100
40
13
45
56
99
85
98
100
100
98
97
98
90
90
100
100
100
82

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
0
3
14
18
16
17
15
21
29
55
50
45
50
50
55
59
58
60

Medium Clouds (% Sky Obscured)

22
11
25
3
25
65
40
4
3
39
6
3
27
24
25
32
53
72
67
90
78
80
87
82

High Clouds (% Sky Obscured)

100
79
12
86
6
100
20
4
33
13
97
63
98
100
100
90
90
51
62
47
96
100
100
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
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
0
0
1
1
1
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)

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

Chance of Frost

Temperature (°C)

17
17
18
17
16
15
14
14
13
12
12
12
11
11
11
11
12
12
12
12
12
12
13
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
54
55
59
65
70
73
72
72
72
71
71
70
68
67
64
61
61
59
62
61
61
58
56

Pressure (mb)

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

Ozone (du)

343
344
346
345
344
347
348
350
350
349
345
343
341
342
341
338
333
331
333
332
332
333
331
330

Friday 19

Waning Crescent 0%

08:14

15:49

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

Sun - Rise: 07:33, Set: 16:41, Transit: 12:07. Moon - Rise: 08:14, Set: 15:49. Civil Dark: 17:13 - 07:02. Nautical Dark: 17:48 - 06:27. Astro Dark: 18:22 - 05:53

Total Clouds (% Sky Obscured)

89
57
59
46
50
72
76
44
19
24
36
67
62
55
28
17
3
4
4
10
9
11
29
36

Low Clouds (% Sky Obscured)

60
57
58
46
50
50
50
36
19
21
20
21
3
3
3
3
3
3
3
3
3
2
2
2

Medium Clouds (% Sky Obscured)

75
57
55
24
50
34
32
18
7
14
23
43
36
42
22
12
3
2
2
0
2
1
4
8

High Clouds (% Sky Obscured)

63
3
13
4
1
0
0
0
1
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
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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
15
15
15
13
12
12
12
12
12
11
10
11
12
11
11
10
11
11
11
12
12
13

Dew Point (°C)

6
6
7
7
7
6
6
6
6
6
7
7
7
7
7
7
7
7
7
6
6
6
6
6

Relative Humidity (%)

53
54
54
54
55
57
58
59
61
64
69
72
75
77
78
78
78
78
80
78
77
71
62
56

Pressure (mb)

1025
1024
1023
1023
1023
1022
1022
1022
1022
1021
1021
1020
1020
1019
1019
1019
1018
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

330
330
329
327
327
327
328
329
329
331
335
341
343
342
339
334
326
319
308
297
294
298
308
315

Saturday 20

New Moon 0%

09:00

16:42

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

Sun - Rise: 07:34, Set: 16:41, Transit: 12:07. Moon - Rise: 09:00, Set: 16:42. Civil Dark: 17:13 - 07:02. Nautical Dark: 17:48 - 06:27. Astro Dark: 18:22 - 05:53

Total Clouds (% Sky Obscured)

38
26
22
30
41
34
39
43
45
47
34
16
17
20
25
26
25
22
21
18
15
13
17
20

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

10
7
4
3
3
5
5
6
7
8
8
9
9
11
15
17
17
17
15
14
13
12
17
20

High Clouds (% Sky Obscured)

6
7
8
17
20
16
22
24
24
30
21
3
3
3
6
4
4
5
5
2
1
1
1
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
54
55
58
62
71
76
80
80
80
78
77
76
74
74
74
74
76
76
75
74
68
62
57

Pressure (mb)

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

Ozone (du)

317
318
321
322
323
323
325
327
328
330
329
325
320
319
318
317
314
313
312
311
311
311
310
310

Sunday 21

Waxing Crescent 2%

09:38

17:43

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

Sun - Rise: 07:34, Set: 16:42, Transit: 12:08. Moon - Rise: 09:38, Set: 17:43. Civil Dark: 17:14 - 07:03. Nautical Dark: 17:49 - 06:28. Astro Dark: 18:23 - 05:54

Total Clouds (% Sky Obscured)

25
26
25
24
19
15
11
25
38
50
49
50
52
50
43
40
41
41
45
40
32
27
35
47

Low Clouds (% Sky Obscured)

2
2
1
1
1
1
1
1
2
2
2
2
3
3
3
3
10
16
25
26
26
27
22
19

Medium Clouds (% Sky Obscured)

20
16
14
11
9
6
4
4
4
4
4
4
3
3
3
3
4
6
8
8
11
14
23
37

High Clouds (% Sky Obscured)

1
2
2
4
3
3
3
16
25
33
43
50
52
50
43
40
41
41
45
37
12
6
5
5

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

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
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
53
52
53
59
65
70
71
71
70
70
69
71
71
71
71
72
71
72
70
67
63
59
59

Pressure (mb)

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

Ozone (du)

310
312
313
319
317
314
313
312
310
308
306
305
306
308
308
308
307
308
308
309
312
316
320
326

Monday 22

Waxing Crescent 6%

10:09

18:49

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:35, Set: 16:42, Transit: 12:08. Moon - Rise: 10:09, 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)

60
71
82
94
84
76
72
81
89
100
100
100
100
100
99
99
82
65
48
56
64
66
77
88

Low Clouds (% Sky Obscured)

17
21
27
33
32
31
28
32
36
41
48
56
64
52
38
25
21
20
19
17
22
22
32
42

Medium Clouds (% Sky Obscured)

50
63
78
92
73
54
35
57
78
100
100
100
98
88
78
68
52
36
16
30
44
56
71
85

High Clouds (% Sky Obscured)

6
5
4
2
6
10
14
43
71
100
100
100
100
99
99
98
76
54
32
21
11
0
2
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
5
4
3
4
6
7
8
9
9
9
9
9
8
8
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

3
6
7
6
17
23
28
52
67
78
95
95
95
95
95
69
57
45
30
36
42
49
59
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.4
0.7
1.1
1.5
1.2
0.8
0.4
0.3
0
0
0
0
0
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
15
14
14
13
13
12
12
12
12
12
11
11
11
11
11
11
10
10
11
12
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
57
61
66
69
70
71
72
73
76
77
81
83
87
85
83
81
81
84
84
83
80
79
79

Pressure (mb)

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

Ozone (du)

332
338
342
346
350
354
358
362
368
375
381
388
396
403
397
391
385
375
366
356
350
344
338
335

Tuesday 23

Waxing Crescent 12%

10:35

19:56

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: 07:35, Set: 16:43, Transit: 12:09. Moon - Rise: 10:35, Set: 19:56. Civil Dark: 17:15 - 07:04. Nautical Dark: 17:50 - 06:29. Astro Dark: 18:24 - 05:55

Total Clouds (% Sky Obscured)

100
84
69
53
40
31
18
40
66
92
95
97
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

56
55
51
46
31
18
7
17
27
37
35
33
30
43
57
70
49
31
21

Medium Clouds (% Sky Obscured)

99
80
60
39
27
13
1
1
0
0
23
45
68
62
55
51
44
40
35

High Clouds (% Sky Obscured)

0
0
1
1
3
5
8
34
60
86
91
95
98
97
99
100
100
100
100

ISS Passover

Visibility (miles)

6
5
5
5
5
6
8
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

Precipitation Type

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

Precipitation Probability (%)

71
76
81
85
78
72
64
56
47
36
38
37
30
38
40
38
49
55
58

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
9
9
8
8
8
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

79
78
78
78
78
77
77
77
79
79
80
80
81
83
81
80
80
81
83

Pressure (mb)

1007
1007
1007
1007
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008

Ozone (du)

332
329
324
318
312
309
307
304
304
304
305
304
304
304
303
302
301
300
300

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

Generated: 17/12/25 12:55:55. Forecast: 17/12/25 to 23/12/25. Timezone: UTC+1.00