Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 27

Waxing Gibbous 78%

12:16

03:23

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
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:25, Set: 17:20, Transit: 12:23. Moon - Rise: 12:16, Set: 03:23. Civil Dark: 17:50 - 06:56. Nautical Dark: 18:23 - 06:22. Astro Dark: 18:56 - 05:49

Total Clouds (% Sky Obscured)

71
78
83
87
100
100
100
100
100
100
100
100
100
100
100
73
70
61
68
86
72
67
57
46

Low Clouds (% Sky Obscured)

71
78
83
87
93
92
89
96
96
97
90
76
72
86
90
73
70
44
68
77
62
67
57
46

Medium Clouds (% Sky Obscured)

71
78
83
87
100
100
100
100
100
100
100
100
100
100
73
50
50
25
9
33
23
33
0
13

High Clouds (% Sky Obscured)

20
47
83
2
0
54
9
100
100
100
100
100
100
100
100
0
0
0
0
0
0
0
7
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

36
0
0
95
95
95
95
95
95
95
95
95
95
95
95
78
60
43
60
54
57
44
30
26

Precipitation Amount (mm)

0
0
0
2
2.3
3.1
2.2
1.2
1.4
1.1
2.3
2
0.8
0.7
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
13
14
15
15
13
15
18
19
20
19
17
16
14
16
17
18
17
18
18
15
16
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
81
88
90
93
95
96
93
95
93
93
86
89
82
79
79
72
67
69
76
72
76
75
76

Pressure (mb)

1006
1006
1005
1004
1003
1001
1000
999
997
997
996
995
995
995
994
994
995
994
995
995
995
995
995
996

Ozone (du)

342
341
341
340
339
339
339
340
344
348
352
354
356
359
362
375
385
392
387
382
378
373
377
382

Wednesday 28

Waxing Gibbous 88%

13:12

04:37

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

Sun - Rise: 07:24, Set: 17:21, Transit: 12:23. Moon - Rise: 13:12, Set: 04:37. Civil Dark: 17:51 - 06:55. Nautical Dark: 18:24 - 06:21. Astro Dark: 18:57 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
99
97
100
100
100
100
99
50
36
57
24
71
41
62
19
14
10
15
12
41
22

Low Clouds (% Sky Obscured)

65
83
29
48
45
81
76
50
55
55
50
36
57
15
35
41
62
19
14
10
15
12
41
22

Medium Clouds (% Sky Obscured)

17
82
100
97
35
97
64
100
100
99
50
36
55
6
7
0
6
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
72
97
100
100
100
100
8
0
0
0
10
63
3
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

20
19
25
28
50
46
45
29
31
24
9
5
6
8
15
25
43
52
37
15
16
2
6
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
7
4
4
4
4
3
3
3
3
3
1
1
2
4
3
4
6
7
5
2
1
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
7
7
7
7
8
8
7
7
9
9
10
13
14
13
11
11
10
10
10
10
9

Dew Point (°C)

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

Relative Humidity (%)

73
72
71
73
76
78
78
78
78
85
87
82
83
80
70
68
66
72
70
71
72
73
77
78

Pressure (mb)

995
995
995
995
994
994
994
994
995
996
996
996
997
998
998
997
997
997
997
998
998
999
999
1000

Ozone (du)

389
395
408
415
421
425
430
438
446
453
453
449
416
406
393
384
379
377
375
374
377
376
378
377

Thursday 29

Waxing Gibbous 84%

14:20

05:42

22 Good
23 OK
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
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:23, Set: 17:22, Transit: 12:23. Moon - Rise: 14:20, Set: 05:42. Civil Dark: 17:52 - 06:54. Nautical Dark: 18:25 - 06:20. Astro Dark: 18:58 - 05:48

Total Clouds (% Sky Obscured)

13
37
45
41
66
75
68
70
68
88
88
100
86
100
100
100
94
83
100
100
64
77
88
100

Low Clouds (% Sky Obscured)

10
18
20
22
28
16
29
36
40
44
33
33
30
27
29
84
68
65
47
35
25
44
46
64

Medium Clouds (% Sky Obscured)

0
8
16
8
28
38
32
38
36
36
60
61
38
67
98
100
84
69
95
56
58
31
10
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
88
88
100
0
100
4
0
2
32
100
100
23
48
74
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
4
5
9
15
24
42
63
68
71
63
64
76
73
66
55
39
18
8
6
5
6
8
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.6
0.5
0.4
0.3
0.6
0.4
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
88
90
91
90
90
90
88
88
87
81
74
68
64
61
58
57
59
64
69
72
76
77

Pressure (mb)

1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1002
1002
1001
1001
1001
1001
1001
1002
1003
1003
1003

Ozone (du)

376
376
373
369
368
366
366
361
359
359
358
357
359
361
359
359
360
359
358
356
355
357
359
358

Friday 30

Waxing Gibbous 94%

15:37

06:35

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

Sun - Rise: 07:22, Set: 17:24, Transit: 12:23. Moon - Rise: 15:37, Set: 06:35. Civil Dark: 17:53 - 06:53. Nautical Dark: 18:27 - 06:20. Astro Dark: 18:59 - 05:47

Total Clouds (% Sky Obscured)

100
80
75
59
51
43
38
66
36
78
89
100
100
99
99
98
97
97
93
92
88
91
93
95

Low Clouds (% Sky Obscured)

65
22
23
22
21
22
20
18
15
14
15
33
68
77
81
54
13
35
45
52
48
12
10
40

Medium Clouds (% Sky Obscured)

48
33
37
23
16
10
10
62
4
77
81
100
98
97
96
76
85
88
71
73
80
76
69
66

High Clouds (% Sky Obscured)

100
80
75
53
27
0
5
11
16
38
80
100
92
91
89
90
91
93
86
75
31
61
88
94

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
18
3
6
8
1
4
8
3
8
19
36
54
42
42
31
31
16
25
22
8
19
23
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
79
79
79
81
79
79
78
75
72
70
67
68
72
70
62
59
61
64
69
72
76
74

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1001
1001
1001
1000
1000
999
999
999
999
1000
1000
1001
1001

Ozone (du)

360
363
366
367
370
366
365
366
364
364
366
367
369
372
375
379
380
385
389
392
396
395
396
396

Saturday 31

Waxing Gibbous 99%

16:55

07:16

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

Sun - Rise: 07:21, Set: 17:25, Transit: 12:23. Moon - Rise: 16:55, Set: 07:16. Civil Dark: 17:54 - 06:52. Nautical Dark: 18:28 - 06:19. Astro Dark: 19:00 - 05:46

Total Clouds (% Sky Obscured)

97
98
100
99
100
100
87
73
36
22
10
2
10
24
31
26
17
10
18
24
32
48
64
84

Low Clouds (% Sky Obscured)

40
40
31
6
5
16
8
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

66
71
76
75
74
76
74
73
36
10
10
0
1
6
3
3
3
3
3
4
5
6
8
10

High Clouds (% Sky Obscured)

97
83
56
23
71
65
19
17
12
16
5
2
8
22
31
24
16
3
18
24
32
46
59
81

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 (%)

20
27
4
12
16
1
2
2
0
0
0
0
0
0
0
1
0
0
2
1
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
5
5
5
5
5
5
5
5
5
4
5
5
5
5
4
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
6
5
5
4
5
4
3
4
5
7
8
10
11
12
12
12
12
12
12
11
9
8

Dew Point (°C)

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

Relative Humidity (%)

74
75
75
77
78
78
78
78
81
83
82
75
68
62
57
54
55
54
55
58
63
66
67
69

Pressure (mb)

1002
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1008
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011

Ozone (du)

399
403
402
402
403
404
404
410
413
413
416
419
418
416
405
391
387
384
381
377
373
370
364
359

Sunday 1

Full Moon 100%

18:12

07:48

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

Sun - Rise: 07:20, Set: 17:26, Transit: 12:23. Moon - Rise: 18:12, Set: 07:48. Civil Dark: 17:56 - 06:51. Nautical Dark: 18:29 - 06:18. Astro Dark: 19:01 - 05:45

Total Clouds (% Sky Obscured)

89
94
100
99
98
97
86
76
70
56
39
25
30
35
41
61
80
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
8
9
9
9
11
14
18
21
14
8
3
11
18
25
41
58
76
77
76
73
83
86
95

Medium Clouds (% Sky Obscured)

27
48
70
77
87
96
78
61
44
30
15
1
1
2
5
37
69
100
100
100
100
91
82
72

High Clouds (% Sky Obscured)

86
93
100
99
98
97
78
58
38
28
19
9
10
10
10
39
68
96
85
76
66
78
89
100

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

6
10
15
24
26
19
22
18
2
6
7
1
4
4
2
10
14
16
44
63
79
81
81
77

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
3
3
3
3
3
3
3
3
4
5
5
6
8
10
10
9
9
9
8
10
11
12

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
7
7
7
7
8
9
11
12
13
14
13
13
13
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
70
71
71
74
75
75
78
79
73
67
61
62
63
64
68
71
75
79
83
87
88
89

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1010
1011
1011

Ozone (du)

353
351
349
348
348
348
349
347
346
345
343
341
339
337
335
333
331
329
327
327
326
325
325
324

Monday 2

Waning Gibbous 99%

19:25

08:14

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: 07:19, Set: 17:28, Transit: 12:23. Moon - Rise: 19:25, Set: 08:14. Civil Dark: 17:57 - 06:50. Nautical Dark: 18:30 - 06:17. Astro Dark: 19:03 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
99
98
98
98
98
98
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

95
94
92
92
93
94
75
56
37
55
73
91
95
95
95
93
91
89
92
90
85

Medium Clouds (% Sky Obscured)

63
51
41
44
46
47
55
62
70
80
90
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

98
97
100
74
48
22
46
70
94
96
98
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
3
5
7
8
8
8
7
7
7
8
8
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

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

Precipitation Probability (%)

70
58
38
39
36
30
38
48
58
81
93
95
80
65
57
79
91
95
95
95
95

Precipitation Amount (mm)

0.3
0.2
0
0
0
0
0
0
0.2
0.6
0.8
1
0.5
0.3
0.2
0.4
0.5
0.5
0.7
0.8
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
7
7
8
7
7
7
7
7
9
10
11
11
11
11
14
13
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

92
90
87
86
86
86
86
87
89
92
92
93
93
89
86
82
86
89
93
93
93

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

324
324
324
324
324
324
324
325
326
327
326
326
326
325
323
322
321
319
318
318
318

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

Generated: 27/01/26 22:57:26. Forecast: 27/01/26 to 02/02/26. Timezone: UTC+1.00