Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Gibbous 99%

20:05

05:13

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:22, Set: 20:29, Transit: 13:25. Moon - Rise: 20:05, Set: 05:13. Civil Dark: 21:08 - 05:44. Nautical Dark: 21:57 - 04:55. Astro Dark: 22:55 - 03:58

Total Clouds (% Sky Obscured)

100
99
92
67
82
82
67
75
67
70
87
81
86
86
80
92
87
79
81
80
94
70
79
100

Low Clouds (% Sky Obscured)

72
66
32
35
46
40
66
75
67
65
64
76
73
72
72
79
68
62
63
72
50
69
40
42

Medium Clouds (% Sky Obscured)

9
17
17
8
8
18
15
11
1
0
0
0
3
12
4
9
8
4
34
44
36
24
31
32

High Clouds (% Sky Obscured)

88
16
25
42
64
76
0
29
3
40
81
65
35
31
29
30
40
51
37
5
87
43
69
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
3
4
6
7
14
32
51
33
4
2
6
5
8
6
5
2
0
13
2
4
8
14
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
18
16
16
16
16
16
16
16
15
15
15
15
16
16
17
18
19
20
20
21
21

Feels Like (°C)

17
18
18
17
16
17
17
16
16
16
16
15
14
13
13
14
14
15
16
17
18
18
20
21

Dew Point (°C)

15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
14
14
13
14
14
13
14
14

Relative Humidity (%)

76
75
78
86
93
95
95
93
92
95
96
96
98
98
98
93
87
81
72
69
66
64
63
62

Pressure (mb)

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

Ozone (du)

333
334
334
335
336
335
333
331
329
328
327
327
326
325
325
326
326
325
324
323
323
324
324
324

Thursday 27

Waxing Gibbous 100%

20:15

06:34

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK

Sun - Rise: 06:24, Set: 20:27, Transit: 13:24. Moon - Rise: 20:15, Set: 06:34. Civil Dark: 21:05 - 05:46. Nautical Dark: 21:54 - 04:58. Astro Dark: 22:51 - 04:01

Total Clouds (% Sky Obscured)

99
99
100
100
96
94
96
100
91
90
100
97
85
82
87
82
79
75
61
73
66
57
40
39

Low Clouds (% Sky Obscured)

39
36
49
56
55
79
82
88
86
80
85
77
85
82
87
82
79
75
61
73
66
51
38
39

Medium Clouds (% Sky Obscured)

19
18
14
14
4
7
9
17
13
19
30
38
31
45
32
31
33
28
19
22
15
10
8
0

High Clouds (% Sky Obscured)

76
93
98
90
45
54
33
87
37
28
97
94
83
75
49
47
13
2
0
0
0
0
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
0
0
0
0
0
1
0
0
0
4
9
4
1
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
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 (%)

28
49
69
81
62
37
27
29
30
16
11
10
12
10
6
4
1
0
0
0
13
13
5
2

Precipitation Amount (mm)

0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
19
18
18
17
17
17
16
16
15
15
15
14
15
15
16
17
17
18
20
20
21
20

Feels Like (°C)

20
20
19
18
18
17
17
17
16
16
15
15
14
15
15
16
17
16
17
18
20
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

63
65
73
80
77
79
82
86
95
96
96
96
96
95
96
92
82
77
71
65
61
59
57
56

Pressure (mb)

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

Ozone (du)

324
324
324
324
323
324
324
326
326
326
328
329
328
327
326
327
327
329
328
328
329
329
331
332

Friday 28

Full Moon 99%

20:23

07:55

17 OK
18 OK
19 OK
20 OK
21 OK
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

Sun - Rise: 06:26, Set: 20:24, Transit: 13:24. Moon - Rise: 20:23, Set: 07:55. Civil Dark: 21:03 - 05:48. Nautical Dark: 21:51 - 05:00. Astro Dark: 22:47 - 04:04

Total Clouds (% Sky Obscured)

37
36
40
39
33
44
86
98
100
100
100
98
100
100
100
100
100
100
100
99
99
99
99
99

Low Clouds (% Sky Obscured)

37
36
40
39
33
44
43
42
49
42
39
61
72
59
42
58
73
83
85
73
81
90
98
99

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
35
38
45
34
86
100
100
100
100
100
100
97
97
98
98
98

High Clouds (% Sky Obscured)

0
2
0
0
3
21
73
96
100
100
94
58
89
100
100
100
100
100
88
24
50
28
20
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
9
8
3
0
0
0
0

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

Precipitation Probability (%)

2
2
0
0
0
0
0
0
0
0
0
1
6
15
40
74
66
72
89
95
95
86
81
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0
0
0.6
0.8
1.1
0.5
0.4
0.4

Wind Speed/Direction (mph)

12
11
9
8
6
4
3
2
2
2
1
1
2
3
4
4
4
6
6
7
7
8
8
7

Chance of Frost

Temperature (°C)

20
19
19
18
16
15
14
14
13
13
13
12
12
12
13
13
14
15
15
15
16
16
16
16

Feels Like (°C)

19
19
20
19
18
17
16
14
13
13
13
12
12
12
12
13
14
14
15
15
15
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

57
61
70
82
90
92
92
92
92
92
90
90
84
86
92
89
93
95
96
96
98
98
98
98

Pressure (mb)

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

Ozone (du)

333
331
326
323
319
316
312
309
306
303
302
302
301
300
300
299
299
301
305
307
307
308
309
311

Saturday 29

Waning Gibbous 96%

20:31

09:17

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:28, Set: 20:22, Transit: 13:24. Moon - Rise: 20:31, Set: 09:17. Civil Dark: 21:00 - 05:50. Nautical Dark: 21:48 - 05:02. Astro Dark: 22:44 - 04:07

Total Clouds (% Sky Obscured)

100
100
98
97
97
96
95
94
93
93
92
94
88
91
94
92
89
88
87
86
90
95
100
99

Low Clouds (% Sky Obscured)

99
100
95
91
87
83
81
77
76
76
75
75
73
74
74
75
76
75
76
76
59
63
74
67

Medium Clouds (% Sky Obscured)

99
99
87
91
77
82
77
27
21
17
12
18
24
31
32
27
25
74
73
67
65
33
19
15

High Clouds (% Sky Obscured)

15
20
35
55
65
70
0
0
0
0
0
15
33
45
45
70
11
15
53
53
62
78
100
89

ISS Passover

Visibility (miles)

0
0
7
8
8
6
7
7
9
9
9
9
9
9
9
3
8
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

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

Precipitation Probability (%)

69
53
33
21
37
40
23
25
16
13
4
4
4
3
14
25
44
71
81
79
34
36
57
73

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0.4
0
0
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
15
15
14
14
14
14
14
14
14
14
14
14
14
15
15
16
17
17
17
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
96
98
96
98
96
98
98
98
98
98
98
95
93
93
92
92
90
89
81
78

Pressure (mb)

999
999
1000
1000
1001
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1001
1001
1000
999
999
998

Ozone (du)

312
312
314
313
315
319
323
323
323
323
325
325
326
327
330
332
331
329
327
326
329
332
333
335

Sunday 30

Waning Gibbous 91%

20:39

10:42

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:30, Set: 20:20, Transit: 13:23. Moon - Rise: 20:39, Set: 10:42. Civil Dark: 20:58 - 05:52. Nautical Dark: 21:45 - 05:05. Astro Dark: 22:40 - 04:10

Total Clouds (% Sky Obscured)

97
100
86
81
72
81
91
100
82
88
82
85
86
86
61
65
68
78
88
98
99
99
100
100

Low Clouds (% Sky Obscured)

58
51
50
54
58
59
63
63
63
67
57
60
58
62
49
51
53
43
37
31
31
30
28
42

Medium Clouds (% Sky Obscured)

9
5
6
28
50
63
62
64
17
24
30
42
46
48
1
1
0
11
23
34
55
76
96
77

High Clouds (% Sky Obscured)

81
100
62
45
22
52
71
64
58
45
41
28
17
3
12
23
36
54
74
96
91
86
83
58

ISS Passover

Visibility (miles)

9
9
9
7
3
3
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

66
69
85
95
93
81
65
17
9
11
17
22
25
38
26
19
3
7
2
0
7
7
5
8

Precipitation Amount (mm)

0
0.2
0.4
1
0.8
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
90
96
96
96
96
96
96
96
96
96
98
96
98
92
87
84
75
67
61
63
67
71

Pressure (mb)

998
998
998
998
998
998
999
999
999
1000
1001
1001
1002
1003
1004
1008
1008
1009
1010
1010
1010
1010
1011
1011

Ozone (du)

335
335
336
336
336
336
337
336
336
336
335
336
337
336
335
334
333
332
331
330
328
328
328
327

Monday 31

Waning Gibbous 83%

20:48

12:10

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:31, Set: 20:17, Transit: 13:23. Moon - Rise: 20:48, Set: 12:10. Civil Dark: 20:55 - 05:54. Nautical Dark: 21:42 - 05:07. Astro Dark: 22:36 - 04:13

Total Clouds (% Sky Obscured)

99
99
87
74
62
74
87
100
98
96
93
89
84
79
80
79
83
86
89
95
93
92
93
91

Low Clouds (% Sky Obscured)

53
65
47
32
19
23
25
30
34
36
38
49
61
73
75
70
68
76
85
93
77
61
46
51

Medium Clouds (% Sky Obscured)

57
37
38
33
29
42
56
70
80
86
93
67
41
15
28
35
41
34
25
13
31
45
61
55

High Clouds (% Sky Obscured)

31
2
10
28
50
67
83
100
85
70
55
50
50
50
41
31
22
43
62
80
80
80
80
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
5
3
5
7
9
9
9
9
9
9
9
8
7
6
7
8
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
6
9
7
0
21
25
41
60
63
64
49
35
39
49
45
39
40
43
47
47
44
43
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.2
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
11
11
11
11
12
13
12
11
11
11
12
12
13
15
16
18
19
21
20
19
18

Chance of Frost

Temperature (°C)

16
16
16
15
14
14
13
13
13
13
12
12
12
12
11
13
14
15
16
16
17
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
71
72
73
74
76
79
81
84
89
92
93
95
95
90
87
84
79
75
72
69
66
64

Pressure (mb)

1011
1011
1011
1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

327
326
325
325
325
325
324
323
322
325
327
330
335
341
346
348
349
351
351
352
353
351
350
349

Tuesday 1

Waning Gibbous 74%

21:00

13:41

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:33, Set: 20:15, Transit: 13:23. Moon - Rise: 21:00, Set: 13:41. Civil Dark: 20:52 - 05:56. Nautical Dark: 21:39 - 05:09. Astro Dark: 22:33 - 04:16

Total Clouds (% Sky Obscured)

88
82
80
82
76
81
76
77
84
92
100
96
92
89
89
88
81
81
80
79

Low Clouds (% Sky Obscured)

55
60
59
56
52
48
48
45
44
43
41
39
41
40
48
53
58
62
68
72

Medium Clouds (% Sky Obscured)

50
35
29
24
23
17
16
15
17
19
21
28
39
45
57
61
60
53
41
29

High Clouds (% Sky Obscured)

75
75
80
82
76
81
76
75
77
84
99
72
46
19
28
42
70
52
28
4

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

28
18
29
29
33
28
20
4
8
5
1
9
11
9
17
26
37
35
32
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
16
16
14
14
14
13
12
12
12
12
11
11
11
12
13
14
15
16

Feels Like (°C)

14
14
14
13
13
13
13
12
12
10
10
10
9
9
9
8
9
9
10
11

Dew Point (°C)

11
11
10
11
11
11
12
11
12
11
11
11
11
10
10
10
10
10
10
10

Relative Humidity (%)

65
65
67
72
78
84
87
90
95
95
95
95
96
96
96
88
81
75
70
66

Pressure (mb)

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

Ozone (du)

348
346
345
344
343
342
342
342
342
342
343
344
342
341
339
337
335
333
330
327

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

Generated: 26/08/26 17:20:14. Forecast: 26/08/26 to 01/09/26. Timezone: UTC+1.00