Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waxing Gibbous 92%

18:32

04:12

20 OK
21 Bad
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

Sun - Rise: 07:14, Set: 19:17, Transit: 13:15. Moon - Rise: 18:32, Set: 04:12. Civil Dark: 19:52 - 06:38. Nautical Dark: 20:37 - 05:56. Astro Dark: 21:22 - 05:11

Total Clouds (% Sky Obscured)

40
58
60
88
83
100
100
100
100
96
95
92
95
100
100
100
100
100
86
73
96
98
95
99

Low Clouds (% Sky Obscured)

9
0
0
1
1
27
29
20
13
20
25
34
44
55
31
26
41
34
34
40
82
60
43
72

Medium Clouds (% Sky Obscured)

4
9
53
81
71
85
75
80
73
53
78
78
85
75
82
44
29
23
33
4
2
24
42
62

High Clouds (% Sky Obscured)

40
58
60
59
64
100
100
100
100
77
61
62
79
100
100
100
100
100
53
45
40
87
74
95

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
0
0
1
1
12
11

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
5
4
5
5
6
7
8
9
11
13
14
15
15
14
12
11
11

Chance of Frost

Temperature (°C)

12
11
10
9
9
8
9
9
10
11
11
11
12
13
14
15
15
16
16
17
17
18
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
84
82
87
93
93
93
93
95
95
89
84
82
78
62
63
67
68
70
74
77
79

Pressure (mb)

1027
1028
1027
1027
1026
1026
1025
1024
1024
1023
1023
1022
1021
1021
1020
1020
1020
1019
1018
1017
1016
1016
1016
1015

Ozone (du)

308
307
305
303
301
299
298
298
296
293
292
290
290
292
292
292
292
292
291
292
292
292
291
291

Thursday 24

Waxing Gibbous 97%

18:40

05:34

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK

Sun - Rise: 07:15, Set: 19:14, Transit: 13:15. Moon - Rise: 18:40, Set: 05:34. Civil Dark: 19:50 - 06:40. Nautical Dark: 20:35 - 05:58. Astro Dark: 21:19 - 05:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
100
100
91
100
100
100
100
100
100
100
100
97
98
35
30

Low Clouds (% Sky Obscured)

97
92
97
100
20
46
58
55
43
38
30
25
20
20
28
40
49
38
28
29
7
2
10
7

Medium Clouds (% Sky Obscured)

98
93
96
96
96
95
100
100
97
100
98
91
99
100
100
100
100
99
88
94
95
38
0
10

High Clouds (% Sky Obscured)

85
86
96
98
100
100
93
91
85
88
100
60
100
95
100
94
100
100
100
98
80
97
20
6

ISS Passover

Visibility (miles)

9
9
9
6
5
9
9
9
9
9
9
6
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
Very Light Rain
Light Rain
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

30
28
59
83
54
42
45
50
34
43
59
43
23
13
8
7
17
4
2
2
2
2
2
2

Precipitation Amount (mm)

0
0
0.2
0.7
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
16
16
16
14
14
13
13
13
12
12
12
12
13
13
14
14
15
15
15
15
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
86
90
96
96
95
93
93
95
95
93
95
93
92
87
80
79
70
68
70
70
73
82

Pressure (mb)

1016
1016
1015
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

290
290
292
292
292
293
292
293
293
294
294
295
295
295
296
298
299
300
300
301
302
305
308
312

Friday 25

Waxing Gibbous 99%

18:48

06:56

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

Sun - Rise: 07:17, Set: 19:12, Transit: 13:14. Moon - Rise: 18:48, Set: 06:56. Civil Dark: 19:47 - 06:42. Nautical Dark: 20:32 - 05:59. Astro Dark: 21:16 - 05:16

Total Clouds (% Sky Obscured)

18
12
15
15
12
15
25
34
35
59
62
70
58
53
80
55
77
72
68
70
66
54
48
34

Low Clouds (% Sky Obscured)

8
3
2
15
12
12
18
27
35
58
60
68
56
53
80
51
67
56
53
64
63
32
19
15

Medium Clouds (% Sky Obscured)

0
12
10
15
0
0
0
2
0
0
0
0
0
0
0
0
0
8
15
23
21
16
11
8

High Clouds (% Sky Obscured)

18
5
0
0
0
0
0
0
0
0
0
0
0
0
2
5
4
2
2
1
5
10
14
10

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 (%)

4
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
7
5
10
5
3
3

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

Chance of Frost

Temperature (°C)

12
12
12
11
11
11
11
11
11
11
11
11
11
12
13
15
15
16
17
18
18
17
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
86
86
84
86
85
87
88
91
88
81
79
76
76
73
68
63
61
61
63
67
71
80

Pressure (mb)

1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014

Ozone (du)

317
325
331
335
340
340
338
336
336
334
331
327
324
321
320
319
319
318
317
316
314
313
312
311

Saturday 26

Full Moon 100%

18:57

08:21

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

Sun - Rise: 07:19, Set: 19:09, Transit: 13:14. Moon - Rise: 18:57, Set: 08:21. Civil Dark: 19:45 - 06:43. Nautical Dark: 20:29 - 06:01. Astro Dark: 21:13 - 05:18

Total Clouds (% Sky Obscured)

20
6
14
21
28
33
41
48
59
81
100
100
99
91
78
100
100
87
74
64
64
67
69
62

Low Clouds (% Sky Obscured)

10
6
11
17
22
25
27
30
37
44
50
58
62
67
65
67
69
52
71
64
58
29
23
16

Medium Clouds (% Sky Obscured)

4
0
1
0
0
5
7
9
21
33
45
47
45
46
54
62
65
77
57
40
40
0
2
23

High Clouds (% Sky Obscured)

5
0
0
0
0
0
2
2
19
64
100
95
90
67
25
61
35
25
30
25
28
40
51
39

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
5
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
Light Rain
None
None
None
None
None

Precipitation Probability (%)

3
0
0
0
0
3
2
1
10
7
7
21
30
31
42
48
50
84
95
56
18
19
20
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
92
93
95
96
98
96
93
90
89
86
84
82
78
71
71
67
69
92
90
87
87
92

Pressure (mb)

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

Ozone (du)

309
308
307
307
306
306
307
307
308
309
311
313
314
316
319
320
320
321
320
324
328
333
335
337

Sunday 27

Waning Gibbous 98%

19:09

09:50

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:21, Set: 19:06, Transit: 13:14. Moon - Rise: 19:09, Set: 09:50. Civil Dark: 19:42 - 06:45. Nautical Dark: 20:27 - 06:03. Astro Dark: 21:10 - 05:20

Total Clouds (% Sky Obscured)

67
75
66
65
65
82
78
71
58
53
58
66
67
68
76
84
91
93
96
99
98
96
97
98

Low Clouds (% Sky Obscured)

8
0
0
0
0
11
20
27
23
19
16
19
24
26
31
35
33
29
28
27
24
21
16
18

Medium Clouds (% Sky Obscured)

33
46
46
46
50
70
68
48
10
5
0
46
42
38
50
61
75
81
88
95
83
72
64
51

High Clouds (% Sky Obscured)

50
65
43
25
5
34
40
37
30
26
24
37
37
28
28
25
26
50
74
98
91
84
77
83

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 (%)

6
3
3
1
0
0
0
0
0
0
0
2
1
0
1
1
1
10
10
11
13
13
17
18

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)

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

Chance of Frost

Temperature (°C)

12
12
11
11
10
10
10
10
9
9
9
9
10
11
12
13
14
15
15
15
16
15
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
95
95
91
91
93
93
95
93
91
88
86
79
71
64
62
62
60
68
75
84

Pressure (mb)

1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1011
1012
1013
1013
1013
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

339
342
342
343
344
344
344
344
345
345
347
346
346
346
346
345
345
344
345
346
347
342
337
332

Monday 28

Waning Gibbous 93%

19:25

11:22

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:23, Set: 19:04, Transit: 13:13. Moon - Rise: 19:25, Set: 11:22. Civil Dark: 19:40 - 06:47. Nautical Dark: 20:24 - 06:05. Astro Dark: 21:08 - 05:22

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

21
25
23
23
22
14
7
0
2
5
7
17
31
45
57
68
77
76
74
75
77
80
82
80

Medium Clouds (% Sky Obscured)

26
0
10
20
27
38
48
59
68
78
89
87
84
78
74
72
69
77
84
91
94
97
100
99

High Clouds (% Sky Obscured)

90
100
100
100
100
100
100
100
100
100
100
99
99
98
96
93
90
89
88
85
90
95
100
98

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
7
4
2

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

15
0
3
3
1
4
2
0
0
0
0
1
3
4
22
29
33
30
28
19
36
55
74
85

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.6

Wind Speed/Direction (mph)

4
3
4
4
4
5
6
7
8
10
11
13
15
16
18
18
18
18
18
18
19
19
19
18

Chance of Frost

Temperature (°C)

13
12
11
11
11
11
11
12
12
12
13
13
13
14
14
15
15
16
16
16
16
17
17
17

Feels Like (°C)

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

Dew Point (°C)

11
10
9
9
9
9
10
11
12
12
12
12
12
11
10
10
11
11
12
13
14
15
15
16

Relative Humidity (%)

86
87
87
87
87
87
88
93
96
95
93
93
89
83
78
75
74
72
77
81
86
90
92
96

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1013
1013
1013
1012
1012
1011
1011
1010
1009
1008
1008
1007
1007

Ozone (du)

332
331
330
329
328
327
326
324
323
322
321
320
317
315
313
311
309
306
302
298
294
292
289
287

Tuesday 29

Waning Gibbous 86%

19:49

12:56

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:25, Set: 19:01, Transit: 13:13. Moon - Rise: 19:49, Set: 12:56. Civil Dark: 19:37 - 06:49. Nautical Dark: 20:21 - 06:07. Astro Dark: 21:05 - 05:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
98
97
98
94
97

Low Clouds (% Sky Obscured)

81
83
74
64
55
67
78
90
91
92
93
85
78
70
60
50
40

Medium Clouds (% Sky Obscured)

98
98
94
90
86
89
91
94
80
65
51
47
44
41
41
46
46

High Clouds (% Sky Obscured)

96
95
86
80
72
74
72
70
69
60
55
55
55
60
60
55
55

ISS Passover

Visibility (miles)

2
2
2
1
1
1
1
2
2
5
7
9
9
9
9
9
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

83
71
61
61
60
72
92
95
95
83
56
71
79
82
81
77
75

Precipitation Amount (mm)

0.5
0.3
0.2
0.3
0.3
0.4
0.7
0.7
0.6
0.4
0
0.4
0.4
0.4
0.4
0.4
0.3

Wind Speed/Direction (mph)

17
16
16
14
13
12
13
13
14
14
14
15
15
15
15
15
15

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
18
18

Feels Like (°C)

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

Dew Point (°C)

16
17
17
17
17
17
17
17
17
17
16
16
16
15
15
15
16

Relative Humidity (%)

96
98
98
96
98
98
98
98
98
96
95
93
90
89
86
86
85

Pressure (mb)

1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007

Ozone (du)

289
292
294
295
297
298
299
301
303
303
303
304
305
306
307
309
310

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

Generated: 23/09/26 20:20:30. Forecast: 23/09/26 to 29/09/26. Timezone: UTC+1.00