Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waning Crescent 35%

03:08

11:58

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

Sun - Rise: 07:36, Set: 17:01, Transit: 12:18. Moon - Rise: 03:08, Set: 11:58. Civil Dark: 17:31 - 07:05. Nautical Dark: 18:06 - 06:30. Astro Dark: 18:39 - 05:57

Total Clouds (% Sky Obscured)

0
0
0
21
25
6
38
45
84
68
75
36
24
37
77
78
82
90
72
82
82
85
93
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
22
26
19
30
71
78
82
88
72
81
80
72
91
100

Medium Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
3
31
49
4
0
0
15
0
2
12
0
16
19
25
19
20

High Clouds (% Sky Obscured)

0
0
0
2
0
0
9
13
77
5
0
0
0
0
8
0
1
0
16
0
6
30
39
46

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
1
1
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
1
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)

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

Chance of Frost

Temperature (°C)

3
3
3
3
3
4
6
8
9
10
11
11
11
9
8
8
8
8
8
8
8
8
8
8

Feels Like (°C)

2
2
2
1
1
2
5
6
7
7
8
8
9
8
7
6
5
5
5
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

67
67
69
70
72
69
65
63
62
59
58
57
57
66
71
70
68
68
65
61
59
56
55
54

Pressure (mb)

1025
1025
1025
1026
1026
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025

Ozone (du)

336
332
329
327
323
319
319
321
322
325
329
328
329
330
331
332
331
330
329
330
328
326
323
321

Tuesday 13

Waning Crescent 26%

No Rise

12:27

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:35, Set: 17:02, Transit: 12:18. Moon - Rise: No Rise, Set: 12:27. Civil Dark: 17:32 - 07:04. Nautical Dark: 18:07 - 06:30. Astro Dark: 18:40 - 05:57

Total Clouds (% Sky Obscured)

99
100
100
95
76
73
89
91
97
95
82
71
83
74
68
59
65
68
71
58
71
62
82
84

Low Clouds (% Sky Obscured)

98
100
100
95
76
73
87
90
83
95
82
71
83
74
68
59
65
42
36
35
51
62
82
84

Medium Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

65
56
11
0
16
19
57
68
45
21
7
1
3
11
5
11
1
4
5
4
8
6
7
15

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
3
2
8
2
2
2
3
4
7
16
14
15
3
6
5
2
4
6
6
9
7
6
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
0
1
1
2
3
4
5
6
6
7
7
7
7
6
6
7
6
7
7
7
7
6
7

Relative Humidity (%)

56
57
57
59
61
63
64
63
63
63
67
71
72
73
72
74
77
77
80
81
82
82
80
80

Pressure (mb)

1025
1025
1025
1025
1025
1025
1026
1026
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1024
1024
1024

Ozone (du)

321
321
322
323
324
325
325
326
327
328
329
332
334
334
334
335
336
338
340
341
342
342
341
341

Wednesday 14

Waning Crescent 18%

04:11

13:01

04 Bad
05 Bad
06 Bad
07 OK
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

Sun - Rise: 07:35, Set: 17:03, Transit: 12:19. Moon - Rise: 04:11, Set: 13:01. Civil Dark: 17:33 - 07:04. Nautical Dark: 18:08 - 06:30. Astro Dark: 18:41 - 05:56

Total Clouds (% Sky Obscured)

76
74
61
46
49
62
61
53
69
89
86
88
84
88
92
100
95
75
91
73
74
84
91
100

Low Clouds (% Sky Obscured)

76
74
61
25
11
25
36
43
63
88
86
84
57
47
54
57
56
48
60
71
74
83
84
83

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
21
31

High Clouds (% Sky Obscured)

17
11
0
0
0
0
0
0
0
0
0
4
84
88
91
69
31
0
0
0
11
41
70
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 (%)

4
4
3
3
0
5
2
10
5
5
11
5
3
3
1
2
4
2
5
2
6
9
15
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
78
77
80
74
70
66
67
67
68
68
69
74
72
75
77
79
78
76
76
73
72
72

Pressure (mb)

1024
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022
1022

Ozone (du)

340
339
338
338
339
338
336
335
333
334
332
331
331
333
334
337
339
341
342
342
342
343
345
345

Thursday 15

Waning Crescent 11%

05:12

13:43

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:34, Set: 17:04, Transit: 12:19. Moon - Rise: 05:12, Set: 13:43. Civil Dark: 17:35 - 07:04. Nautical Dark: 18:09 - 06:29. Astro Dark: 18:42 - 05:56

Total Clouds (% Sky Obscured)

100
99
99
99
100
100
100
100
100
100
96
87
87
86
91
86
81
76
76
81
81
85
89
92

Low Clouds (% Sky Obscured)

88
93
98
95
92
88
91
91
42
33
28
24
29
31
33
30
28
28
32
33
34
74
81
81

Medium Clouds (% Sky Obscured)

31
19
12
8
6
4
9
12
15
16
20
20
14
12
9
9
7
60
31
54
55
60
64
72

High Clouds (% Sky Obscured)

91
82
76
86
93
100
100
100
100
100
96
87
73
63
70
70
70
74
73
71
70
70
75
80

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 (%)

28
18
17
26
16
10
19
15
13
19
14
7
17
14
7
13
12
5
10
13
7
14
38
30

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
69
69
70
67
63
61
57
53
53
54
59
68
72
72
73
72
73
73
72
69
67
69

Pressure (mb)

1021
1021
1021
1021
1021
1021
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019

Ozone (du)

342
341
341
342
343
344
344
343
343
345
344
345
346
346
346
346
346
346
347
346
347
346
345
345

Friday 16

Waning Crescent 6%

06:08

14:34

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:34, Set: 17:05, Transit: 12:19. Moon - Rise: 06:08, Set: 14:34. Civil Dark: 17:36 - 07:03. Nautical Dark: 18:10 - 06:29. Astro Dark: 18:43 - 05:56

Total Clouds (% Sky Obscured)

94
95
96
88
80
75
83
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
77
62
47
48
49
34
28
24
19
26
35
35
45
50
57
60
70
75
82
90
88
86
83

Medium Clouds (% Sky Obscured)

69
72
75
74
70
70
71
79
89
88
91
91
96
98
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

86
86
87
86
80
75
83
92
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
4
9
9
9
8
7
5
7
8
9
7
4

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

Precipitation Probability (%)

23
23
5
11
15
2
5
8
3
7
26
60
74
37
25
50
65
77
93
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0
0
0
0.3
0.4
0.7
0.7
0.6
1.1
1.5
1.9

Wind Speed/Direction (mph)

4
4
4
3
3
3
2
1
3
4
4
5
6
4
3
4
5
6
7
7
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
8
8
8
8
10
12
13
13
12
12
11
11
11
11
11
10
10
10
10
10
10
9

Dew Point (°C)

5
5
5
5
4
4
4
3
4
4
5
6
10
11
10
9
9
10
11
10
10
10
10
11

Relative Humidity (%)

71
71
69
69
65
61
57
49
47
46
48
56
80
84
81
76
79
84
90
89
87
87
89
92

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1012

Ozone (du)

346
348
350
352
358
359
354
348
345
347
345
345
347
345
341
338
338
337
337
338
339
341
340
340

Saturday 17

Waning Crescent 2%

06:57

15:33

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:33, Set: 17:06, Transit: 12:20. Moon - Rise: 06:57, Set: 15:33. Civil Dark: 17:37 - 07:03. Nautical Dark: 18:11 - 06:29. Astro Dark: 18:44 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
97
95
94
91
89
87
83
81
80
84
92
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
83
86
77
68
59
57
50
43
38
36
34
34
34
37
56
71
85
76
66
63
61
87
95

Medium Clouds (% Sky Obscured)

100
100
100
100
99
99
89
78
68
66
63
61
65
75
80
80
86
93
88
84
80
80
85
90

High Clouds (% Sky Obscured)

97
95
93
87
76
67
65
64
87
87
82
77
83
81
80
84
92
99
99
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
83
73
69
63
63
69
64
58
50
67
75
80
95
95
95
95
95
95

Precipitation Amount (mm)

2
2
1.9
1.2
0.8
0.6
0.5
0.4
0.4
0.3
0.3
0.4
0.3
0.2
0
0.3
0.4
0.4
0.7
0.7
0.5
0.7
0.7
0.8

Wind Speed/Direction (mph)

8
7
6
6
6
6
6
7
8
8
8
7
6
5
5
4
4
4
3
3
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
9
10
10
11
11
11
11
13
13
12
12
11
12
10
10
11
10
10
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

93
95
93
93
90
87
84
80
76
73
74
76
78
79
81
83
86
86
88
88
90
90
91
93

Pressure (mb)

1012
1012
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1012
1012
1012
1012
1012

Ozone (du)

340
339
339
338
339
340
341
341
341
341
343
345
347
355
362
370
373
376
380
381
382
382
383
384

Sunday 18

New Moon 0%

07:37

16:38

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
19 Bad
20 Bad
21 OK
22 Bad
23 Bad
00 OK

Sun - Rise: 07:33, Set: 17:07, Transit: 12:20. Moon - Rise: 07:37, Set: 16:38. Civil Dark: 17:38 - 07:02. Nautical Dark: 18:12 - 06:28. Astro Dark: 18:45 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
86
72
58
68
80
88
91
94
97
81
59
40
38
36
34

Low Clouds (% Sky Obscured)

94
93
91
76
61
46
32
18
5
17
29
41
27
21
15
11
7
2
4
6
8

Medium Clouds (% Sky Obscured)

92
97
100
99
99
98
66
34
3
12
21
30
49
69
88
71
54
37
32
28
23

High Clouds (% Sky Obscured)

100
100
100
100
100
100
83
67
51
56
61
67
56
42
28
15
10
5
11
12
13

ISS Passover

Visibility (miles)

3
5
7
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

Precipitation Type

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

Precipitation Probability (%)

95
89
75
62
47
17
22
18
10
13
11
4
8
10
5
16
19
11
24
26
11

Precipitation Amount (mm)

0.7
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
8
8
7
7
8
8
9
13
13
12
12
12
12
8
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

93
91
90
87
85
81
79
73
69
64
64
64
64
69
72
77
77
80
82
82
82

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1011

Ozone (du)

385
388
392
396
401
407
413
418
422
427
425
423
422
424
426
428
434
441
447
452
456

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

Generated: 12/01/26 04:02:01. Forecast: 12/01/26 to 18/01/26. Timezone: UTC+1.00