Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 7%

06:21

14:27

08 Bad
09 Bad
10 OK
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
07 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)

60
59
48
51
61
56
85
89
89
79
100
91
68
93
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
21
30
28
29
27
29
38
38
29
26
24
25
25
35
32
29
23
16
16
17
22
27
21

Medium Clouds (% Sky Obscured)

0
0
0
14
0
26
28
70
62
50
99
82
55
69
95
89
85
81
85
73
93
91
72
72

High Clouds (% Sky Obscured)

0
0
7
3
3
1
0
12
3
9
100
28
12
67
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
0
0
0
0
1
0
0
0

Precipitation Type

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

Precipitation Probability (%)

6
4
0
15
19
31
39
38
37
26
13
9
9
11
11
17
12
12
8
7
9
6
4
3

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
10
11
11
11
11
10
9
8
7
6
5
5
4
4
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

14
15
16
17
17
17
17
17
16
15
15
14
14
14
14
14
14
14
14
13
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
78
72
64
61
60
60
64
68
72
73
71
70
70
68
68
69
68
68
68
66
66
67
66

Pressure (mb)

1020
1021
1022
1023
1022
1022
1022
1023
1023
1024
1024
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1028

Ozone (du)

338
339
338
337
336
336
336
335
335
336
337
339
340
341
341
342
341
340
341
339
339
342
341
342

Thursday 18

Waning Crescent 3%

07:20

15:04

08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 Bad
18 OK
19 OK
20 OK
21 Bad
22 Good
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 OK
05 Bad
06 Bad
07 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
100
100
37
25
30
30
38
29
50
37
27
46
49
17
23
25
54
65
54
45
51
56
55

Low Clouds (% Sky Obscured)

18
13
6
2
2
0
0
0
0
0
0
0
14
16
10
15
14
15
17
31
13
51
56
55

Medium Clouds (% Sky Obscured)

40
3
37
6
5
30
30
38
13
50
10
8
6
8
0
3
3
22
19
20
45
51
23
15

High Clouds (% Sky Obscured)

100
100
100
26
0
0
0
0
0
5
6
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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
64
59
55
53
51
52
55
60
66
68
70
69
69
69
67
67
66
65
64
63
61
60
59

Pressure (mb)

1028
1028
1029
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1027
1027
1027
1027
1026
1026
1026
1026

Ozone (du)

341
341
342
341
341
341
341
343
342
343
344
344
346
345
347
346
341
340
337
337
337
334
332
333

Friday 19

Waning Crescent 1%

No Rise

15:49

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

Sun - Rise: 07:33, Set: 16:41, Transit: 12:07. Moon - Rise: No Rise, 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)

47
49
36
28
30
15
6
28
4
3
3
2
3
2
3
3
10
9
6
9
8
14
8
12

Low Clouds (% Sky Obscured)

41
47
36
28
28
15
4
3
3
3
3
2
3
2
3
3
3
3
3
9
8
14
4
2

Medium Clouds (% Sky Obscured)

18
17
10
10
14
15
2
4
4
3
3
2
2
2
2
3
2
3
3
3
2
5
3
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
28
0
0
0
0
0
0
0
0
9
6
3
0
1
3
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 (%)

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 (%)

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

Chance of Frost

Temperature (°C)

11
12
14
14
16
17
17
17
16
15
14
13
13
12
12
11
11
11
11
10
10
10
10
10

Feels Like (°C)

10
11
13
13
15
16
17
18
17
15
15
14
13
12
12
12
11
12
11
11
10
10
9
10

Dew Point (°C)

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

Relative Humidity (%)

58
57
55
54
50
49
49
51
57
61
64
65
67
70
72
73
75
73
73
73
72
73
71
71

Pressure (mb)

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

Ozone (du)

332
332
329
329
327
327
328
328
328
328
335
340
341
340
336
334
327
321
318
315
311
302
292
285

Saturday 20

New Moon 0%

08:14

16:42

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

Sun - Rise: 07:34, Set: 16:41, Transit: 12:07. Moon - Rise: 08:14, 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)

34
50
44
32
38
30
22
14
13
9
6
9
12
15
19
23
28
28
27
26
31
39
45
48

Low Clouds (% Sky Obscured)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
8
13
19
13
8
2
2
2
2
2

Medium Clouds (% Sky Obscured)

34
50
44
19
25
21
18
10
11
6
4
4
4
5
5
6
7
6
5
5
4
3
3
4

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
1
2
3
3
2
1
5
8
9
9
12
15
14

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
12
14
16
17
17
16
16
14
14
13
13
12
12
12
11
11
11
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

71
66
61
56
54
54
56
58
65
72
75
76
77
77
78
78
80
80
80
80
78
77
77
76

Pressure (mb)

1017
1017
1017
1017
1016
1015
1015
1015
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

286
295
307
314
319
326
327
324
322
322
322
324
323
320
317
315
315
314
312
310
309
310
310
311

Sunday 21

Waxing Crescent 2%

09:00

17:43

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

Sun - Rise: 07:34, Set: 16:42, Transit: 12:08. Moon - Rise: 09:00, 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)

46
41
36
31
28
30
31
32
32
34
33
20
24
26
25
21
24
30
36
50
48
49
47
51

Low Clouds (% Sky Obscured)

1
1
1
0
1
1
0
0
0
2
3
3
2
2
2
2
2
7
11
15
12
7
3
3

Medium Clouds (% Sky Obscured)

5
5
8
10
11
13
13
12
11
11
11
8
10
13
8
7
6
9
12
15
12
8
10
10

High Clouds (% Sky Obscured)

14
18
14
14
14
18
18
21
26
29
28
0
0
0
0
0
0
0
0
0
0
5
10
25

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
67
59
54
53
54
57
59
65
72
75
75
75
73
72
71
69
69
69
68
68
68
68
68

Pressure (mb)

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

Ozone (du)

310
311
310
310
310
310
309
311
311
310
312
311
311
311
312
312
313
314
314
314
314
314
315
315

Monday 22

Waxing Crescent 6%

09:38

18:49

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
07 Bad

Sun - Rise: 07:35, 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)

47
46
48
46
48
55
63
70
80
85
91
88
86
84
88
92
97
98
99
100
89
79
68
62

Low Clouds (% Sky Obscured)

3
3
4
7
10
18
25
30
25
22
24
27
31
32
41
49
59
57
56
50
35
19
4
3

Medium Clouds (% Sky Obscured)

10
19
24
29
29
32
39
44
33
19
11
19
26
29
48
67
87
91
97
100
70
38
2
1

High Clouds (% Sky Obscured)

34
34
35
36
13
10
13
15
40
65
91
83
76
69
79
89
97
98
99
100
89
79
68
62

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

7
5
10
12
11
24
30
31
41
42
38
49
58
65
86
95
95
95
95
91
77
62
44
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.6
0.9
1.2
1
0.8
0.7
0.4
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
68
69
68
67
67
69
73
76
78
80
83
83
84
87
87
87
89
87
89
88
87
87
85

Pressure (mb)

1012
1012
1012
1012
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1008
1008
1008
1007
1007
1007
1007
1006
1006

Ozone (du)

318
321
323
329
334
339
340
341
342
344
346
348
350
352
354
367
379
392
395
398
401
391
381
371

Tuesday 23

Waxing Crescent 12%

10:09

19:56

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: 07:35, Set: 16:43, Transit: 12:09. Moon - Rise: 10:09, 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)

55
48
65
82
100
100
100
100
100
100
100
100
100
100
98
96
93

Low Clouds (% Sky Obscured)

2
2
2
2
2
30
57
85
76
83
95
96
93
89
63
36
10

Medium Clouds (% Sky Obscured)

1
0
12
24
37
57
77
97
98
99
100
92
85
77
52
27
2

High Clouds (% Sky Obscured)

54
47
64
80
97
98
99
100
100
100
100
100
100
100
94
89
83

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

34
12
27
31
29
49
54
54
65
73
79
73
69
64
55
44
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
13
14
14
15
15
15
14
14
14
13
13
13
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
79
75
73
70
67
70
74
76
80
82
84
86
87
87
87
87

Pressure (mb)

1006
1007
1007
1006
1006
1005
1005
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007

Ozone (du)

360
348
336
328
320
312
310
307
304
304
304
304
303
302
301
300
300

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

Generated: 17/12/25 08:33:21. Forecast: 17/12/25 to 23/12/25. Timezone: UTC+1.00