Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 23

Waxing Crescent 23%

09:46

22:22

03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
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

Sun - Rise: 07:29, Set: 17:14, Transit: 12:22. Moon - Rise: 09:46, Set: 22:22. Civil Dark: 17:44 - 06:59. Nautical Dark: 18:17 - 06:26. Astro Dark: 18:51 - 05:52

Total Clouds (% Sky Obscured)

39
47
60
100
97
100
58
44
38
47
92
91
98
99
100
100
97
98
100
100
100
100
98
100

Low Clouds (% Sky Obscured)

0
11
26
15
14
25
41
44
38
47
72
91
79
85
90
92
88
75
72
88
77
79
71
91

Medium Clouds (% Sky Obscured)

39
47
48
68
83
95
50
7
4
17
59
72
91
72
74
93
82
96
98
100
100
56
89
100

High Clouds (% Sky Obscured)

39
47
60
100
68
100
5
0
0
0
0
6
6
6
100
100
15
17
58
100
100
100
98
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
2
6
17
43
48
78
89
63
66
95
87
95
68
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.6
0
0
0.7
0.3
1.1
0
0.8

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
5
6
8
9
10
10
11
11
11
11
10
11
11
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
79
79
79
78
73
68
68
66
70
74
75
76
79
80
84
86
87
87
87
88
88
87

Pressure (mb)

1001
1001
1001
1001
1002
1002
1002
1002
1003
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1002
1002

Ozone (du)

365
364
365
365
364
363
367
364
360
362
359
355
352
349
347
347
350
349
349
348
348
349
348
347

Saturday 24

Waxing Crescent 33%

10:07

23:34

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:29, Set: 17:15, Transit: 12:22. Moon - Rise: 10:07, Set: 23:34. Civil Dark: 17:45 - 06:59. Nautical Dark: 18:19 - 06:25. Astro Dark: 18:52 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
81
63
84
55
70
76
66
100
100
100
30
81
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
89
95
81
63
84
55
67
64
66
82
22
20
14
20
22
31
83
82
80
78
83
82
100

Medium Clouds (% Sky Obscured)

57
93
52
62
63
78
40
29
76
61
70
50
43
6
4
34
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
0
0
0
0
0
0
0
100
100
0
0
81
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
2
2
9
6
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
77
59
42
40
51
59
53
47
55
57
54
57
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

1.9
2.2
2.3
1.8
0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.1
2.2
4.1
4
1.6
1.6
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
90
90
92
90
81
81
82
83
80
78
78
79
81
83
86
86
92
96
96
93
88
90

Pressure (mb)

1002
1001
1001
1001
1002
1002
1003
1003
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1003
1003
1002

Ozone (du)

346
347
349
347
347
347
350
349
350
349
350
350
348
348
349
349
351
353
356
356
358
362
362
368

Sunday 25

Waxing Crescent 44%

10:30

00:48

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:28, Set: 17:16, Transit: 12:22. Moon - Rise: 10:30, Set: 00:48. Civil Dark: 17:46 - 06:58. Nautical Dark: 18:20 - 06:24. Astro Dark: 18:53 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
87
88
100
100
100
100
100
66
100
91
100
100
96
77
76
77
77
100
100
100

Low Clouds (% Sky Obscured)

100
73
53
52
46
39
77
61
77
82
90
40
100
75
57
95
68
37
61
77
77
48
54
84

Medium Clouds (% Sky Obscured)

100
100
100
99
73
65
100
100
100
100
80
34
100
62
100
99
32
37
52
57
53
100
100
100

High Clouds (% Sky Obscured)

100
100
0
0
0
0
0
8
2
5
0
0
100
91
100
100
96
0
0
0
0
100
100
100

ISS Passover

Visibility (miles)

9
6
9
5
4
5
3
3
3
3
3
6
3
7
4
3
3
3
3
5
5
3
4
3

Fog (%)

0
2
37
37
38
34
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
89
95
95
95
95
95
95
95
95
95
92
77
80
94
95
95

Precipitation Amount (mm)

1.3
1.8
2.1
1.6
1
1.3
0.9
0.5
0.2
0.5
0.8
1
1.2
1.2
1.1
1.4
1.2
1.1
0.5
0.3
0.4
0.4
0.6
1.1

Wind Speed/Direction (mph)

4
4
4
6
7
7
10
13
16
14
13
16
15
15
13
8
7
11
10
9
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
82
80
81
82
74
74
76
77
80
73
77
75
76
82
82
77
78
76
76
81
81
82

Pressure (mb)

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

Ozone (du)

372
375
378
387
398
405
409
414
421
426
433
436
437
439
434
430
428
425
424
425
427
424
424
425

Monday 26

First Quarter 56%

10:58

02:05

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 OK
21 OK
22 OK
23 OK
00 Good
01 Good
02 OK

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 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
92
84
77
73
70
65
61
40
41
47
42
17
12
11

Low Clouds (% Sky Obscured)

87
87
87
87
83
81
83
82
82
80
70
64
71
69
69
65
61
40
40
47
40
15
8
6

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
93
90
61
99
70
83
75
73
14
30
4
1
3
0
0
0
3
7

High Clouds (% Sky Obscured)

100
100
100
92
80
97
100
73
47
25
25
25
30
40
38
55
3
5
4
0
1
1
1
0

ISS Passover

Visibility (miles)

2
9
6
4
3
7
7
4
8
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

Light Rain
Light Rain
Light Rain
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
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
85
85
80
65
42
56
29
21
6
2
0
1
2
0
0
0

Precipitation Amount (mm)

1.9
1.7
2.1
2.4
1.6
0.9
0.8
0.7
0.3
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
6
7
7
8
8
8
7
6
8
8
8
9
8
8
9
9
8
7
7
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
7
7
7
6
6
6
7
9
7
7
7
7
6
5
4
4
4
4
3
4
5
5

Dew Point (°C)

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

Relative Humidity (%)

90
88
90
81
87
88
87
87
87
83
80
83
81
84
82
84
85
85
82
84
82
82
85
88

Pressure (mb)

998
997
997
996
996
996
996
997
997
996
997
997
997
998
999
999
1000
1001
1001
1002
1003
1003
1004
1004

Ozone (du)

426
428
433
437
439
443
447
449
449
449
449
450
453
452
452
451
448
450
458
453
450
448
438
430

Tuesday 27

Waxing Gibbous 68%

11:32

No Set

03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
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

Sun - Rise: 07:26, Set: 17:19, Transit: 12:22. Moon - Rise: 11:32, Set: No Set. Civil Dark: 17:48 - 06:56. Nautical Dark: 18:22 - 06:23. Astro Dark: 18:55 - 05:50

Total Clouds (% Sky Obscured)

13
18
17
16
26
35
44
45
92
63
100
100
89
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

3
2
1
1
11
25
39
43
50
50
53
53
48
49
42
39
57
68
77
82
86
90
85
78

Medium Clouds (% Sky Obscured)

10
14
15
15
18
22
23
23
19
19
19
15
25
100
100
25
47
73
100
100
100
100
100
99

High Clouds (% Sky Obscured)

4
9
5
2
5
9
23
24
88
56
100
100
85
100
98
100
100
100
100
100
100
100
100
99

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
1
0
0
0
0
0
1
1
10
16
22
45
56
62
90
95
94
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.6
0.5
1
1.3
1.4
1.9
2.4

Wind Speed/Direction (mph)

5
4
4
4
4
3
4
3
4
4
5
7
8
9
9
10
12
13
14
15
15
15
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
88
90
90
90
82
74
68
63
60
59
62
65
72
77
76
77
80
81
83
83
84
88

Pressure (mb)

1004
1005
1005
1005
1006
1006
1006
1007
1007
1006
1006
1005
1005
1005
1005
1004
1004
1002
1002
1001
1000
999
998
997

Ozone (du)

424
423
419
413
409
406
403
399
392
384
375
367
361
354
349
344
345
345
345
344
345
346
347
347

Wednesday 28

Waxing Gibbous 78%

12:16

03:23

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
22 Bad
23 Bad
00 Bad
01 Bad
02 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)

97
98
99
100
100
100
100
100
100
100
95
90
86
88
94
100
97
93
90
93
96
100
99
98

Low Clouds (% Sky Obscured)

72
70
71
75
76
77
79
84
91
97
95
90
86
86
82
72
61
55
51
56
58
68
69
78

Medium Clouds (% Sky Obscured)

97
98
99
100
100
100
100
100
100
100
83
63
41
30
18
1
14
26
35
57
78
100
97
94

High Clouds (% Sky Obscured)

97
98
99
100
92
77
65
77
88
100
75
49
24
18
12
7
6
1
3
8
9
10
15
15

ISS Passover

Visibility (miles)

2
0
1
3
4
5
7
9
8
7
5
6
6
6
7
8
9
8
7
6
6
7
7
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
91
95
95
95
86
81
59
68
75
77
76
89
95
79
69

Precipitation Amount (mm)

2.8
3.1
2.5
1.5
1.2
0.9
0.6
0.6
0.6
0.5
0.6
0.8
0.7
0.5
0.6
0
0.3
0.4
0.4
0.4
0.7
0.9
0.5
0.4

Wind Speed/Direction (mph)

14
14
11
10
9
10
10
11
10
10
11
10
9
8
8
8
7
6
5
5
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
95
93
93
93
86
80
75
76
77
79
77
75
75
73
71
69
73
77
81
84
85
88
88

Pressure (mb)

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

Ozone (du)

347
347
351
354
357
362
368
373
382
391
400
414
429
443
456
468
480
483
486
489
483
476
469
464

Thursday 29

Waxing Gibbous 88%

13:12

04:37

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

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)

97
96
95
94
65
36
7
5
2
0
5
18
24
43
62
81
87
93
100
100
100
100

Low Clouds (% Sky Obscured)

74
64
53
43
31
18
5
4
2
0
2
1
0
2
3
2
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

91
88
88
91
62
32
3
2
1
0
0
0
0
4
8
12
9
6
2
2
2
2

High Clouds (% Sky Obscured)

16
10
4
0
0
0
0
0
0
0
1
2
3
25
46
68
82
89
95
90
90
90

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

Fog (%)

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
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 (%)

53
58
46
15
21
23
5
8
6
3
8
6
2
4
3
0
8
13
17
26
28
25

Precipitation Amount (mm)

0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
5
5
6
6
6
5
5
4
4
4
4
4
5
5
5
5
5
5
6

Relative Humidity (%)

90
88
88
88
90
85
81
76
69
64
58
57
57
57
60
64
67
69
71
73
74
76

Pressure (mb)

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

Ozone (du)

459
453
449
446
442
438
435
432
423
415
407
400
394
388
381
375
369
364
360
356
348
341

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

Generated: 23/01/26 03:19:06. Forecast: 23/01/26 to 29/01/26. Timezone: UTC+1.00