Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 31

Waxing Gibbous 99%

15:35

06:31

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

Sun - Rise: 07:19, Set: 17:22, Transit: 12:21. Moon - Rise: 15:35, Set: 06:31. Civil Dark: 17:51 - 06:50. Nautical Dark: 18:24 - 06:17. Astro Dark: 18:57 - 05:44

Total Clouds (% Sky Obscured)

27
17
5
15
17
50
100
98
100
100
100
100
100
92
35
22
88
95
89
33
28
7
5
2

Low Clouds (% Sky Obscured)

19
6
4
2
4
14
16
15
31
2
2
2
2
2
1
1
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
40
53
6
7
21
67
84
69
35
22
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
10
13
41
100
95
100
100
100
100
26
35
24
14
87
95
89
33
28
7
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
32
44
75
53
2
2
6
7
6
5
4
3
2
2
1
2
2
1
2
1
1
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
6
6
7
6
8
16
21
9
6
1
0
2
0
0
1
1
0
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
86
84
79
77
73
73
72
80
84
87
87
86
83
82
80
79
80
80
80
83

Pressure (mb)

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

Ozone (du)

383
384
384
385
386
385
384
387
385
381
382
384
389
393
397
400
402
403
404
408
410
410
408
406

Sunday 1

Full Moon 100%

16:53

07:13

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

Sun - Rise: 07:18, Set: 17:23, Transit: 12:21. Moon - Rise: 16:53, Set: 07:13. Civil Dark: 17:52 - 06:49. Nautical Dark: 18:25 - 06:16. Astro Dark: 18:58 - 05:43

Total Clouds (% Sky Obscured)

8
28
84
63
96
89
88
92
100
88
100
71
98
100
100
89
64
58
44
38
12
1
11
28

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
6
16
19
35
18
35
59
47
30
26
2
2
6
1
1
10

Medium Clouds (% Sky Obscured)

0
10
39
16
55
89
41
40
45
35
43
26
28
36
100
69
4
12
18
16
2
0
5
9

High Clouds (% Sky Obscured)

6
5
66
45
70
66
88
92
100
79
100
23
91
100
27
0
0
0
0
0
0
0
5
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 (%)

0
0
1
1
0
0
0
0
3
13
7
10
6
3
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

4
3
3
3
5
7
8
10
10
10
11
10
9
7
6
6
5
4
4
3
3
3
2
2

Feels Like (°C)

3
2
1
1
4
5
7
10
9
8
9
9
7
6
4
4
4
3
3
3
3
3
2
2

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
80
76
67
62
58
57
57
58
67
74
79
81
81
83
88
89
89
89
89
89
91

Pressure (mb)

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

Ozone (du)

403
400
392
392
395
399
401
401
402
404
403
403
401
400
403
404
407
411
407
407
425
439
427
406

Monday 2

Waning Gibbous 99%

18:10

07:45

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

Sun - Rise: 07:17, Set: 17:24, Transit: 12:21. Moon - Rise: 18:10, Set: 07:45. Civil Dark: 17:53 - 06:48. Nautical Dark: 18:27 - 06:15. Astro Dark: 18:59 - 05:43

Total Clouds (% Sky Obscured)

26
29
25
16
19
11
3
26
26
27
5
5
19
87
98
97
100
100
88
97
98
93
100
100

Low Clouds (% Sky Obscured)

16
18
18
14
17
9
2
18
25
21
5
5
2
2
0
0
0
0
0
28
33
38
48
54

Medium Clouds (% Sky Obscured)

4
6
3
0
0
0
0
0
0
0
0
0
0
23
35
20
30
30
78
95
95
76
95
52

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
18
87
98
97
22
5
35
46
60
78
97
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
5
7
8
21

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

Chance of Frost

Temperature (°C)

1
2
2
1
3
6
8
9
9
10
10
9
8
7
6
4
4
4
4
4
5
5
6
6

Feels Like (°C)

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

Dew Point (°C)

0
0
0
-1
-0
1
2
2
2
2
2
3
5
5
5
3
2
3
3
3
3
3
5
4

Relative Humidity (%)

91
89
89
86
79
72
68
64
60
58
58
63
77
88
90
89
89
89
91
91
89
89
91
85

Pressure (mb)

1007
1007
1007
1008
1008
1009
1009
1009
1008
1008
1008
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1012
1012

Ozone (du)

399
391
385
377
374
376
376
375
372
369
363
358
355
352
350
348
349
348
346
345
343
343
344
345

Tuesday 3

Waning Gibbous 95%

19:22

08:11

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
04 Bad

Sun - Rise: 07:16, Set: 17:26, Transit: 12:21. Moon - Rise: 19:22, Set: 08:11. Civil Dark: 17:55 - 06:47. Nautical Dark: 18:28 - 06:14. Astro Dark: 19:00 - 05:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
93
100
100
100
100
97
95
92
94
97
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
88
78
64
62
65
37
23
25
34
37
41
70
50
64
85
92
95
97
100
100
100
90
94

Medium Clouds (% Sky Obscured)

49
100
79
81
65
64
82
100
100
96
82
70
95
79
84
94
96
81
100
100
49
100
56
54

High Clouds (% Sky Obscured)

100
100
100
100
100
100
93
100
100
100
99
79
69
66
70
84
83
89
93
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
7
9
2
8
8
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
Very Light Rain
None
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

22
23
21
17
6
19
24
27
19
13
6
12
18
20
32
61
55
95
95
70
94
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.7
1.5
0
0.5
0.6
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
84
84
81
77
74
71
72
72
73
78
87
88
93
90
88
91
95
96
95
95
95
93

Pressure (mb)

1012
1012
1012
1012
1011
1011
1011
1011
1010
1009
1009
1008
1009
1008
1009
1009
1008
1009
1008
1008
1007
1007
1006
1005

Ozone (du)

346
346
348
348
346
346
346
344
342
342
340
340
341
342
342
342
346
346
350
351
353
354
355
353

Wednesday 4

Waning Gibbous 89%

20:31

08:33

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

Sun - Rise: 07:15, Set: 17:27, Transit: 12:21. Moon - Rise: 20:31, Set: 08:33. Civil Dark: 17:56 - 06:46. Nautical Dark: 18:29 - 06:13. Astro Dark: 19:01 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
90
80
70
45
56
61
73
83
90
91
91
93
96

Low Clouds (% Sky Obscured)

91
89
89
87
83
82
76
69
67
53
44
36
31
44
19
22
24
28
30
34
35
35
36
47

Medium Clouds (% Sky Obscured)

100
100
100
100
100
99
99
98
94
58
85
86
80
70
45
56
61
62
58
57
51
46
40
41

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
82
90
80
70
45
56
61
73
74
70
63
55
47
64

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

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

Precipitation Probability (%)

95
95
95
95
61
48
42
41
37
28
2
2
1
0
4
8
9
29
34
19
39
42
10
34

Precipitation Amount (mm)

0.5
1
1.5
1.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
90
84
81
77
71
64
57
60
67
71
69
69
73
74
78
78
79
81
79
79
78

Pressure (mb)

1005
1004
1004
1004
1004
1004
1004
1003
1003
1002
1002
1001
1000
1000
1000
1001
1001
1001
1001
1000
1000
1000
1000
999

Ozone (du)

353
353
354
354
358
363
363
362
362
365
373
380
382
381
382
379
377
375
374
373
372
371
371
370

Thursday 5

Waning Gibbous 81%

21:38

08:54

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
04 Bad

Sun - Rise: 07:14, Set: 17:28, Transit: 12:21. Moon - Rise: 21:38, Set: 08:54. Civil Dark: 17:57 - 06:45. Nautical Dark: 18:30 - 06:12. Astro Dark: 19:02 - 05:40

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
98
96
96
93
89
86
83
80
78
82
86
89
93
98
99
100

Low Clouds (% Sky Obscured)

53
59
76
89
100
99
97
96
93
92
91
89
85
79
75
72
73
70
65
55
65
78
95
93

Medium Clouds (% Sky Obscured)

43
44
57
70
83
81
78
75
58
40
25
29
32
35
28
20
12
40
68
89
92
94
97
96

High Clouds (% Sky Obscured)

81
98
99
99
100
97
93
89
71
52
34
23
12
1
25
50
75
75
75
71
79
87
95
70

ISS Passover

Visibility (miles)

9
9
9
8
6
5
6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
1

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

Precipitation Probability (%)

50
27
86
95
95
95
95
95
95
95
95
95
88
48
55
44
27
38
42
45
67
93
95
95

Precipitation Amount (mm)

0
0
0.3
0.9
0.7
1.3
1.3
1
1.8
1.6
0.5
0.6
0.5
0
0.2
0
0
0
0
0
0.3
0.6
1.1
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
75
82
90
96
91
87
81
84
87
90
91
93
93
93
90
90
91
93
94
94
98
98

Pressure (mb)

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

Ozone (du)

369
369
369
368
368
368
366
363
361
357
354
350
349
347
345
345
346
346
346
345
345
344
344
343

Friday 6

Waning Gibbous 72%

22:43

09:14

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

Sun - Rise: 07:13, Set: 17:29, Transit: 12:21. Moon - Rise: 22:43, Set: 09:14. Civil Dark: 17:58 - 06:44. Nautical Dark: 18:31 - 06:11. Astro Dark: 19:04 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
98
96
87
75
68
63
59
55
53
51
50
51
44
45

Low Clouds (% Sky Obscured)

94
95
94
91
90
88
87
89
84
75
68
63
59
55
53
51
50
51
44
45

Medium Clouds (% Sky Obscured)

95
94
79
64
49
63
76
86
85
75
68
63
59
55
53
51
50
40
20
0

High Clouds (% Sky Obscured)

46
21
25
29
35
23
12
0
9
17
25
32
40
41
26
13
3
1
1
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

95
95
92
82
74
70
66
60
54
45
33
44
47
43
38
29
6
12
12
6

Precipitation Amount (mm)

1.1
0.9
0.6
0.5
0.4
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
96
95
95
93
95
95
95
95
95
96
98
98
96
94
94
93

Pressure (mb)

995
995
995
995
995
995
995
995
995
996
996
997
998
999
1000
1001
1002
1003
1003
1003

Ozone (du)

349
355
362
364
366
369
363
358
353
348
344
339
340
341
342
344
345
347
344
341

Forecast for Via Case Sparse, Province of Rome, Italy (41.66,13.10)

Generated: 31/01/26 05:00:14. Forecast: 31/01/26 to 06/02/26. Timezone: UTC+1.00