Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

First Quarter 55%

13:27

00:27

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
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:20, Set: 16:04, Transit: 12:11. Moon - Rise: 13:27, Set: 00:27. Civil Dark: 16:47 - 07:37. Nautical Dark: 17:33 - 06:51. Astro Dark: 18:16 - 06:08

Total Clouds (% Sky Obscured)

20
19
29
56
100
99
86
89
100
90
84
80
82
94
98
99
100
100
99
95
100
84
76
92

Low Clouds (% Sky Obscured)

20
19
29
47
61
49
53
76
76
75
75
74
71
74
90
90
91
96
71
73
68
33
25
20

Medium Clouds (% Sky Obscured)

2
0
0
8
92
82
48
32
53
28
31
56
68
69
95
98
100
100
93
59
92
48
52
85

High Clouds (% Sky Obscured)

0
0
0
0
45
48
5
54
44
2
14
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
3
9
9
9
9
8
8
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

50
44
35
2
2
2
6
5
4
8
42
47
34
32
44
58
76
71
64
33
18
11
7
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
18
19
21
21
22
22
21
20
19
19
19
16
15
13
11
9
8
7
5
4
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
71
71
71
71
73
70
71
73
74
85
84
84
88
91
94
96
93
93
90
88
88
90

Pressure (mb)

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

Ozone (du)

311
312
313
313
311
309
311
313
315
317
320
322
322
326
332
336
337
341
341
337
333
334
333
332

Saturday 29

Waxing Gibbous 66%

13:35

01:53

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

Sun - Rise: 08:22, Set: 16:04, Transit: 12:12. Moon - Rise: 13:35, Set: 01:53. Civil Dark: 16:46 - 07:39. Nautical Dark: 17:32 - 06:53. Astro Dark: 18:15 - 06:09

Total Clouds (% Sky Obscured)

66
99
98
100
100
100
100
99
76
54
10
16
49
28
60
14
16
7
9
32
15
0
26
44

Low Clouds (% Sky Obscured)

31
29
15
5
1
1
1
1
1
3
3
3
1
1
1
1
1
7
9
32
15
0
25
31

Medium Clouds (% Sky Obscured)

66
97
92
100
100
100
100
99
53
44
4
9
37
21
44
12
13
1
0
0
0
0
0
8

High Clouds (% Sky Obscured)

3
29
65
83
100
100
100
56
29
22
2
2
1
0
0
0
0
0
0
0
0
0
0
2

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
1

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 (%)

3
3
1
1
2
2
1
0
0
0
0
0
0
0
0
0
0
0
2
0
1
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
83
75
72
71
71
72
73
76
79
82
83
86
86
89
89
89
91
92
92
94
94
92
92

Pressure (mb)

1004
1005
1006
1006
1006
1007
1008
1009
1009
1010
1011
1011
1012
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

334
336
336
334
334
335
334
332
333
334
339
340
342
343
347
349
349
348
341
333
331
327
323
321

Sunday 30

Waxing Gibbous 77%

13:43

03:23

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
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:23, Set: 16:03, Transit: 12:12. Moon - Rise: 13:43, Set: 03:23. Civil Dark: 16:46 - 07:40. Nautical Dark: 17:32 - 06:54. Astro Dark: 18:15 - 06:11

Total Clouds (% Sky Obscured)

47
73
80
81
100
97
90
100
97
99
100
100
100
97
84
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
7
1
4
0
0
0
65
77
96
100
100
100
90
75
68
68
67
55
41
68
77
86
95

Medium Clouds (% Sky Obscured)

6
24
22
14
15
15
30
99
97
99
97
99
98
51
66
92
98
100
100
100
100
98
95
93

High Clouds (% Sky Obscured)

1
2
1
3
40
45
40
55
60
60
60
35
55
35
35
37
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
9
8
8
9
9
3
2
1
2

Fog (%)

48
90
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
1
26
59
93
95
95
95
95
38
35
50
60
43
82
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.6
0.8
0.5
1.3
1.3
0
0
0
0.2
0
0.3
0.6
1.3
0.9
1

Wind Speed/Direction (mph)

3
3
3
4
4
4
5
6
7
7
9
11
13
13
11
9
7
6
5
4
4
3
5
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
0
1
3
3
2
1
0
1
0
0
-0
2
2
2
2
3
3
2
3
2
5
6
5

Dew Point (°C)

-1
-1
-0
0
1
1
2
2
2
2
2
3
6
6
5
6
6
6
6
6
5
6
7
7

Relative Humidity (%)

92
89
83
77
76
82
85
89
91
86
79
83
91
88
87
90
91
91
93
93
91
94
100
100

Pressure (mb)

1015
1014
1014
1013
1013
1012
1011
1010
1009
1008
1007
1005
1003
1002
1001
1000
999
998
996
995
994
993
991
990

Ozone (du)

317
312
307
306
305
302
299
293
289
285
278
278
277
275
275
274
273
272
273
273
273
275
276
279

Monday 1

Waxing Gibbous 86%

13:52

04:58

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
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:25, Set: 16:02, Transit: 12:13. Moon - Rise: 13:52, Set: 04:58. Civil Dark: 16:45 - 07:41. Nautical Dark: 17:31 - 06:55. Astro Dark: 18:14 - 06:12

Total Clouds (% Sky Obscured)

92
84
78
63
59
53
50
43
47
55
59
61
62
63
67
67
67
68
75
81
88
83
78
64

Low Clouds (% Sky Obscured)

87
79
72
54
40
31
32
36
40
46
52
57
60
63
67
67
67
68
69
68
53
45
44
42

Medium Clouds (% Sky Obscured)

70
47
25
20
14
19
20
20
20
25
30
40
30
30
35
35
10
47
55
79
88
83
78
64

High Clouds (% Sky Obscured)

77
50
25
25
30
25
25
30
40
40
40
40
40
45
55
50
0
13
49
45
35
30
40
44

ISS Passover

Visibility (miles)

4
1
9
9
9
9
9
6
9
6
5
2
3
2
2
2
2
2
1
6
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
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

95
79
26
19
13
7
27
32
49
66
79
86
95
91
95
95
95
95
82
37
6
2
2
0

Precipitation Amount (mm)

0.8
0.4
0
0
0
0
0
0
0
0.2
0.4
0.5
0.8
0.4
0.7
0.7
0.7
1.2
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
9
13
12
11
10
10
11
11
12
13
15
14
13
13
14
14
15
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
91
91
91
93
94
94
94
96
98
96
96
96
96
94
94
96
96
86
90
91
91

Pressure (mb)

989
989
989
989
989
988
988
988
988
987
987
986
985
984
984
984
984
985
985
986
986
987
988
989

Ozone (du)

283
286
285
286
286
287
290
292
294
295
297
299
301
303
307
308
318
319
316
312
311
311
310
311

Tuesday 2

Waxing Gibbous 94%

14:05

06:38

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

Sun - Rise: 08:26, Set: 16:01, Transit: 12:13. Moon - Rise: 14:05, Set: 06:38. Civil Dark: 16:44 - 07:43. Nautical Dark: 17:30 - 06:57. Astro Dark: 18:14 - 06:13

Total Clouds (% Sky Obscured)

34
33
42
41
50
67
66
83
83
68
53
45
55
69
65
70
71
77
71
89
87
83
64
53

Low Clouds (% Sky Obscured)

34
33
39
37
40
67
41
42
38
27
20
16
19
19
19
26
34
43
46
47
43
46
53
53

Medium Clouds (% Sky Obscured)

0
0
3
1
2
4
20
63
60
47
34
21
31
47
38
42
46
49
39
32
27
28
15
1

High Clouds (% Sky Obscured)

0
0
0
1
1
2
15
29
44
29
18
5
29
51
65
65
63
57
36
18
0
1
1
2

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
14
16
19
21
18
7
12
9
2
3
1
0
4
6
5
6
5
0
1
1
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)

14
14
15
15
15
16
16
15
14
13
13
12
12
12
12
12
11
11
11
11
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
88
85
85
84
85
88
88
88
88
88
90
91
91
89
89
89
91
91
89
89
89
89

Pressure (mb)

989
990
991
991
991
992
992
993
994
995
996
997
998
999
1000
1000
1001
1001
1002
1002
1003
1003
1004
1004

Ozone (du)

313
311
313
312
312
311
313
311
311
311
310
311
313
313
315
316
316
317
317
316
315
314
313
311

Wednesday 3

Waxing Gibbous 98%

14:23

08:20

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
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
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:28, Set: 16:01, Transit: 12:13. Moon - Rise: 14:23, Set: 08:20. Civil Dark: 16:44 - 07:44. Nautical Dark: 17:30 - 06:58. Astro Dark: 18:14 - 06:14

Total Clouds (% Sky Obscured)

58
59
62
57
52
47
43
45
48
59
77
86
92
94
97
97
97
98
96
96
96
97
99
100

Low Clouds (% Sky Obscured)

58
59
59
54
46
38
29
21
17
31
44
58
47
38
31
40
42
44
63
81
96
97
99
99

Medium Clouds (% Sky Obscured)

2
3
4
24
46
47
43
45
48
59
77
82
85
89
92
87
82
77
75
75
75
73
72
72

High Clouds (% Sky Obscured)

7
13
21
25
29
28
29
24
10
1
2
13
31
50
77
72
63
54
45
39
41
61
80
97

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
1
1
0
4
4
1
9
7
6
21
20
12
35
40
40
56
72
87
87
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.5
0.6
1

Wind Speed/Direction (mph)

10
10
11
11
11
11
10
8
7
5
5
5
5
6
7
8
9
10
10
12
13
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
3
3
3
3
2
2
2
2
2
2
2
2
3
2
2
2
2
2
3
3

Dew Point (°C)

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

Relative Humidity (%)

89
86
83
81
79
78
76
76
76
76
76
76
75
76
79
79
79
81
81
79
78
77
78
81

Pressure (mb)

1005
1005
1005
1005
1004
1004
1004
1003
1003
1003
1002
1002
1001
1000
1000
999
998
997
997
996
995
995
994
994

Ozone (du)

310
308
306
304
303
302
301
303
305
307
310
313
316
318
320
323
324
325
326
325
325
324
326
328

Thursday 4

Full Moon 100%

14:52

No Set

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: 08:29, Set: 16:00, Transit: 12:14. Moon - Rise: 14:52, Set: No Set. Civil Dark: 16:43 - 07:45. Nautical Dark: 17:30 - 06:59. Astro Dark: 18:13 - 06:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
99
86
72
58
53
48
43
52
66
81
80
81
80

Low Clouds (% Sky Obscured)

97
95
94
74
55
31
24
21
20
32
44
56
51
45
41
46
51
56
52
48
43

Medium Clouds (% Sky Obscured)

82
88
94
89
83
74
65
55
50
28
14
1
1
1
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

97
94
85
65
51
37
23
16
9
6
3
0
0
0
0
3
5
7
13
11
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

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

Precipitation Probability (%)

95
95
95
95
95
68
51
39
30
23
20
17
19
19
17
26
29
27
32
33
27

Precipitation Amount (mm)

1.3
1.5
1.6
0.9
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
14
12
12
12
11
10
9
9
8
9
9
10
10
11
12
11
12
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
82
82
82
82
81
79
79
79
79
78
78
76
73
72
72
74
74
76
79

Pressure (mb)

994
994
994
993
994
994
994
994
995
995
995
996
996
996
996
997
997
997
997
997
997

Ozone (du)

329
331
332
334
337
341
344
346
348
350
351
351
351
348
345
342
338
333
328
322
315

Forecast for Cathedral's Quarter, Belfast, United Kingdom (54.60,-5.93)

Generated: 28/11/25 09:14:53. Forecast: 28/11/25 to 04/12/25. Timezone: UTC+0.00