Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 26

First Quarter 56%

10:58

02:05

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 OK
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 07:27, Set: 17:17, Transit: 12:22. Moon - Rise: 10:58, Set: 02:05. Civil Dark: 17:47 - 06:57. Nautical Dark: 18:21 - 06:24. Astro Dark: 18:54 - 05:50

Total Clouds (% Sky Obscured)

50
58
67
75
100
100
100
100
100
100
100
87
74
88
52
31
30
16
0
0
0
0
0
17

Low Clouds (% Sky Obscured)

50
57
54
49
75
64
81
75
29
26
15
4
4
0
0
3
2
3
0
0
0
0
0
10

Medium Clouds (% Sky Obscured)

50
58
67
75
100
100
100
100
85
73
82
62
22
20
21
18
3
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

50
58
67
75
100
100
100
100
100
100
80
5
33
64
6
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
7
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
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
13

Precipitation Type

None
Light Rain
Light Rain
None
None
None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

51
88
95
15
9
11
33
48
67
47
26
10
6
4
2
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.7
1.7
0
0
0
0
0
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
88
81
77
74
71
68
66
65
68
76
80
81
80
81
84
85
82
82
81
80
80
82

Pressure (mb)

998
999
999
1000
1000
1000
1000
1000
1000
1000
1001
1001
1002
1003
1004
1004
1005
1006
1006
1007
1007
1008
1008
1008

Ozone (du)

430
434
438
439
436
435
437
437
439
445
447
451
452
449
447
444
448
448
448
436
432
430
429
424

Tuesday 27

Waxing Gibbous 68%

11:32

03:23

06 OK
07 OK
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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:26, Set: 17:19, Transit: 12:22. Moon - Rise: 11:32, Set: 03:23. Civil Dark: 17:48 - 06:56. Nautical Dark: 18:22 - 06:23. Astro Dark: 18:55 - 05:49

Total Clouds (% Sky Obscured)

30
31
21
31
27
37
28
61
79
99
78
99
100
98
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

18
17
7
0
4
15
15
34
30
25
0
12
75
80
84
100
100
100
95
96
92
89
91
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
0
39
44
43
78
54
57
64
84
100
100
93
100
100
100
100

High Clouds (% Sky Obscured)

0
0
2
16
8
17
0
0
0
0
0
56
100
15
83
100
96
100
100
100
9
0
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
2
1
1
1
1

Fog (%)

20
23
28
5
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
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
7
18
26
46
28
35
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
3.3
5.2
3.6
2.8
3.2
3.3

Wind Speed/Direction (mph)

5
5
4
5
4
3
3
2
4
5
6
6
7
7
9
10
12
15
16
17
15
14
15
17

Chance of Frost

Temperature (°C)

5
5
5
6
8
10
12
13
13
13
13
12
11
11
11
11
11
11
11
11
11
12
13
13

Feels Like (°C)

4
4
4
5
6
8
12
13
13
11
10
11
8
8
8
7
7
6
5
5
6
8
9
9

Dew Point (°C)

2
2
1
2
2
3
3
4
5
5
7
7
7
7
7
7
7
6
7
9
10
11
12
13

Relative Humidity (%)

80
80
79
74
65
59
54
53
55
58
66
75
78
75
75
76
73
71
76
87
93
96
95
96

Pressure (mb)

1008
1009
1009
1009
1009
1010
1010
1009
1008
1009
1008
1008
1008
1008
1008
1007
1007
1006
1005
1003
1003
1002
1001
999

Ozone (du)

411
406
409
400
399
395
390
378
371
363
358
356
350
348
345
345
345
344
342
341
341
340
339
342

Wednesday 28

Waxing Gibbous 78%

12:16

04:37

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
04 Bad
05 Bad

Sun - Rise: 07:25, Set: 17:20, Transit: 12:23. Moon - Rise: 12:16, Set: 04:37. Civil Dark: 17:50 - 06:56. Nautical Dark: 18:23 - 06:22. Astro Dark: 18:56 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
72
83
100
92
57
43
65
80
63
95
99
97
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
95
81
81
76
31
27
77
72
72
57
43
65
80
58
38
26
66
54
72
75
74
83
91

Medium Clouds (% Sky Obscured)

100
100
100
98
100
98
47
46
100
87
22
9
15
31
17
93
98
62
63
100
100
100
92
87

High Clouds (% Sky Obscured)

100
100
100
100
100
99
72
0
100
0
0
0
0
0
5
7
7
97
100
100
100
100
67
33

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
78
95
95
65
66
50
61
88
72
51
57
60
64
90
95
95
85
80

Precipitation Amount (mm)

1.4
1.5
2.3
2
2.1
1.4
0.2
0.7
0.5
0
0.2
0
0.2
0.7
0.4
0
0
0.2
0.2
0.4
0.4
0.4
0.3
0.3

Wind Speed/Direction (mph)

20
20
20
19
22
13
16
18
17
17
16
16
15
14
14
10
8
7
6
5
4
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
89
83
79
75
71
75
72
73
75
73
75
75
77
80
84
85
88
90
93
93
93

Pressure (mb)

998
997
996
995
996
996
996
996
996
996
996
996
996
997
997
997
997
996
996
995
995
995
994
995

Ozone (du)

345
350
356
359
360
367
373
379
378
374
375
365
369
369
368
370
372
370
373
383
393
400
406
413

Thursday 29

Waxing Gibbous 88%

13:12

05:42

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

Sun - Rise: 07:24, Set: 17:21, Transit: 12:23. Moon - Rise: 13:12, Set: 05:42. Civil Dark: 17:51 - 06:55. Nautical Dark: 18:24 - 06:21. Astro Dark: 18:57 - 05:48

Total Clouds (% Sky Obscured)

99
99
99
98
95
92
53
62
69
41
34
28
26
26
25
63
63
62
53
50
47
27
49
68

Low Clouds (% Sky Obscured)

99
83
31
65
25
26
32
45
62
25
19
13
9
10
13
19
25
50
53
49
40
21
39
56

Medium Clouds (% Sky Obscured)

83
90
94
98
93
87
20
22
20
15
13
13
12
9
9
8
58
45
16
2
0
0
0
0

High Clouds (% Sky Obscured)

10
41
62
83
62
36
0
0
0
0
0
0
0
0
0
61
63
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

87
69
51
50
43
35
25
39
35
30
19
11
1
2
4
2
17
22
25
20
9
8
11
10

Precipitation Amount (mm)

0.6
0.4
0.2
0.2
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
7
6
8
7
6
7
7
6
5
2
1
2
3
3
4
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
88
87
80
72
63
60
63
64
65
72
73
76
77
80
80
79
81
81
81
81
82
82

Pressure (mb)

995
995
996
996
997
997
997
998
998
998
999
999
1000
1000
1001
1001
1002
1002
1001
1001
1001
1001
1001
1001

Ozone (du)

421
426
424
417
404
398
386
374
372
371
366
366
367
366
365
364
364
363
360
358
358
358
358
358

Friday 30

Waxing Gibbous 94%

14:20

No Set

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 OK
01 OK
02 OK
03 OK
04 OK
05 Bad

Sun - Rise: 07:23, Set: 17:22, Transit: 12:23. Moon - Rise: 14:20, Set: No Set. Civil Dark: 17:52 - 06:54. Nautical Dark: 18:25 - 06:20. Astro Dark: 18:58 - 05:47

Total Clouds (% Sky Obscured)

71
79
84
88
90
90
90
94
97
100
100
57
52
37
55
74
55
35
17
21
25
31
33
38

Low Clouds (% Sky Obscured)

61
64
67
69
68
64
64
57
45
49
40
13
13
21
29
39
35
32
17
21
25
31
26
16

Medium Clouds (% Sky Obscured)

0
4
7
9
11
16
36
93
97
100
100
27
14
19
33
47
32
16
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
8
14
21
32
45
52
0
0
0
1
3
4
3
1
0
0
3

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

20
20
20
19
9
20
20
20
13
27
29
29
54
42
38
40
28
16
8
15
14
2
5
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
81
80
81
77
76
75
72
71
68
69
76
80
85
88
88
90
90
88
87
88
91
91
91

Pressure (mb)

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

Ozone (du)

359
363
367
370
370
373
373
374
371
365
362
359
356
359
362
365
368
370
372
374
369
365
361
358

Saturday 31

Waxing Gibbous 99%

15:37

06:35

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
04 Bad
05 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 - 05:46

Total Clouds (% Sky Obscured)

42
61
75
91
93
95
98
98
99
100
100
100
100
100
100
100
100
100
100
100
99
98
92
86

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
12
24
43
63
81
96
87
79
73
66
58
53
69
84
99
99
100
100
92
84
76
59
39

High Clouds (% Sky Obscured)

8
43
68
88
86
85
78
84
92
100
100
100
100
100
100
100
93
86
79
75
69
63
69
74

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
6
10
3
10
22
31
43
45
22
43
45
18
30
29
7
22
30
16
22
21
5
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
85
81
77
71
66
61
61
61
61
64
70
74
73
72
71
72
74
74
75
74
75
75

Pressure (mb)

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

Ozone (du)

355
352
354
357
360
357
355
353
353
352
352
354
356
358
362
367
371
374
378
381
383
385
387
392

Sunday 1

Full Moon 100%

16:55

07:16

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 OK
00 Good

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 - 05:45

Total Clouds (% Sky Obscured)

81
85
90
94
96
98
100
98
90
82
81
80
78
85
91
86
59
31
3

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

16
12
9
5
23
41
60
73
87
82
81
80
78
85
90
85
57
28
0

High Clouds (% Sky Obscured)

79
82
88
94
96
98
100
98
90
82
81
80
78
81
68
54
34
17
0

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

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
5
5
5
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
73
67
63
60
58
56
58
59
60
64
67
72
73
74
77
78
78

Pressure (mb)

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

Ozone (du)

398
404
409
414
419
416
413
410
400
389
379
377
375
373
375
376
378
383
388

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

Generated: 26/01/26 06:44:45. Forecast: 26/01/26 to 01/02/26. Timezone: UTC+1.00