Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 1

Waning Gibbous 88%

22:13

08:50

05 OK
06 OK
07 OK
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: 05:35, Set: 21:24, Transit: 13:30. Moon - Rise: 22:13, Set: 08:50. Civil Dark: 22:09 - 04:52. Nautical Dark: 23:14 - 03:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

15
19
22
57
69
84
78
77
76
74
86
81
67
83
67
78
100
100
100
100
100
98
94
97

Low Clouds (% Sky Obscured)

15
19
22
56
67
75
69
64
62
45
64
54
62
65
37
37
26
24
21
12
11
12
33
36

Medium Clouds (% Sky Obscured)

0
5
0
0
0
13
37
33
21
33
51
37
0
0
0
1
0
50
55
88
86
71
73
86

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
5
7
50
7
37
53
45
65
100
100
100
100
100
96
84
86

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
31

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
2
0
1
15
15
7
3
1
3
2
0
0
2
0
0
0
0
0
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
6
7
8
11
12
12
12
13
12
12
12
11
10
8
6
3
3
3
2
1
1
1
2

Chance of Frost

Temperature (°C)

11
11
11
12
13
14
16
17
18
19
20
20
19
19
19
18
16
14
12
12
11
11
11
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
89
82
69
63
60
59
60
60
58
58
55
60
67
77
89
89
92
92
93
93
93

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019

Ozone (du)

367
366
364
365
364
364
361
360
360
359
359
357
356
353
350
347
346
345
344
343
342
341
342
341

Sunday 2

Waning Gibbous 80%

22:21

10:10

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: 05:37, Set: 21:22, Transit: 13:29. Moon - Rise: 22:21, Set: 10:10. Civil Dark: 22:07 - 04:54. Nautical Dark: 23:10 - 03:51. Astro Dark: N/A - 01:48

Total Clouds (% Sky Obscured)

97
97
93
100
100
100
100
100
100
100
99
99
100
100
100
100
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

39
46
21
31
35
25
30
28
49
60
33
41
36
20
25
25
36
43
48
46
25
50
52
60

Medium Clouds (% Sky Obscured)

89
86
85
97
86
99
100
96
100
98
85
96
99
100
100
100
99
100
100
100
96
98
100
100

High Clouds (% Sky Obscured)

35
18
48
99
100
98
100
80
100
92
86
83
100
92
98
100
89
100
100
100
90
100
99
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 (%)

99
100
91
100
0
2
2
2
1
1
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
None
None
None
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
2
12
4
8
16
24
35
41
42
52
43
48
48
43
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
13
14
15
16
17
17
18
18
18
17
17
16
15
15
14
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
88
81
76
69
64
61
58
57
58
59
59
62
71
79
84
87
89
90
93
92
90
89

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1016
1017
1017
1016
1016
1015
1015
1014
1014

Ozone (du)

341
341
340
340
339
339
339
341
340
339
338
336
335
334
337
335
336
336
337
336
336
337
337
338

Monday 3

Waning Gibbous 77%

22:29

11:31

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: 05:39, Set: 21:20, Transit: 13:29. Moon - Rise: 22:29, Set: 11:31. Civil Dark: 22:05 - 04:56. Nautical Dark: 23:07 - 03:54. Astro Dark: 01:11 - 02:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
95
96
96
87
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
62
64
65
61
65
62
62
61
50
46
40
39
37
55
62
76
69
70
90
98
96
93
96

Medium Clouds (% Sky Obscured)

100
100
97
100
100
84
86
89
69
82
90
85
83
86
78
60
84
88
91
65
56
71
62
64

High Clouds (% Sky Obscured)

100
100
100
100
49
39
40
35
50
100
62
77
88
100
100
100
100
100
98
68
75
88
100
84

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
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

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

Precipitation Probability (%)

62
56
64
40
50
33
16
44
28
11
24
17
12
34
59
42
36
44
47
45
34
45
45
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
13
15
15
17
18
19
17
16
15
15
15
15
15
15
15
15
15
15
16

Relative Humidity (%)

92
92
92
89
89
89
90
89
93
95
93
93
84
81
83
89
92
93
93
95
93
92
95
96

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1007
1007
1006
1006

Ozone (du)

338
337
337
336
338
338
340
344
348
352
349
347
347
347
345
344
342
340
341
340
337
335
333
332

Tuesday 4

Waning Gibbous 71%

22:39

12:55

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: 05:40, Set: 21:18, Transit: 13:29. Moon - Rise: 22:39, Set: 12:55. Civil Dark: 22:02 - 04:58. Nautical Dark: 23:04 - 03:57. Astro Dark: 00:55 - 02:14

Total Clouds (% Sky Obscured)

100
100
94
87
81
82
83
83
83
83
84
82
79
79
76
70
64
71
77
89
91
93
94
96

Low Clouds (% Sky Obscured)

98
100
87
74
64
67
70
71
67
73
76
71
62
61
50
50
48
56
63
78
79
80
80
85

Medium Clouds (% Sky Obscured)

67
64
69
68
65
62
62
62
56
48
47
52
47
74
71
45
30
27
25
30
37
29
40
86

High Clouds (% Sky Obscured)

66
49
41
38
30
30
40
50
33
2
3
13
5
55
50
17
5
0
0
0
0
0
0
23

ISS Passover

Visibility (miles)

9
4
3
6
2
0
0
1
9
8
5
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

48
46
48
55
69
71
76
66
60
70
69
64
75
88
77
63
48
44
47
41
45
47
52
75

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
16
17
17
18
17
19
19
18
18
19
19
18
18
18
17
17
16
16
16
16
16

Dew Point (°C)

15
16
16
16
17
18
19
19
19
16
17
18
17
16
16
16
17
16
16
16
15
15
15
15

Relative Humidity (%)

95
98
96
96
98
96
100
96
96
77
81
88
86
81
85
89
95
98
98
98
98
98
98
98

Pressure (mb)

1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

332
329
327
327
328
327
330
331
332
333
336
337
338
339
340
340
340
340
341
341
341
341
341
341

Wednesday 5

Waning Gibbous 60%

22:52

14:24

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: 05:42, Set: 21:16, Transit: 13:29. Moon - Rise: 22:52, Set: 14:24. Civil Dark: 22:00 - N/A. Nautical Dark: 23:01 - 04:00. Astro Dark: 00:44 - 02:23

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
85
69
57
82
78
74
72
70
69
70
71
73
67

Low Clouds (% Sky Obscured)

91
97
96
96
95
96
98
99
85
74
64
67
64
57
72
68
64
63
61
59
65
70
73
67

Medium Clouds (% Sky Obscured)

92
90
83
67
84
100
100
91
62
56
33
15
9
0
25
24
23
18
12
7
5
2
0
2

High Clouds (% Sky Obscured)

51
76
80
80
75
50
25
0
27
53
80
53
28
0
0
0
0
0
0
0
0
0
0
3

ISS Passover

Visibility (miles)

8
3
1
0
0
1
8
8
2
7
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

83
94
95
93
78
67
53
43
38
28
12
16
15
5
8
7
4
6
8
2
4
4
2
7

Precipitation Amount (mm)

0.4
0.5
0.7
0.7
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
96
95
96
95
93
90
87
89
90
92
93
93
93
93
87
81
77

Pressure (mb)

1005
1005
1006
1007
1007
1008
1009
1010
1011
1012
1013
1014
1014
1015
1016
1013
1014
1015
1015
1016
1016
1016
1017
1017

Ozone (du)

341
342
344
345
350
352
352
353
355
357
356
354
355
357
356
356
356
356
355
355
355
353
351
350

Thursday 6

Third Quarter 48%

23:12

15:57

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: 05:44, Set: 21:14, Transit: 13:29. Moon - Rise: 23:12, Set: 15:57. Civil Dark: 21:58 - 05:00. Nautical Dark: 22:58 - 04:03. Astro Dark: 00:35 - 02:30

Total Clouds (% Sky Obscured)

62
60
53
48
45
56
66
77
79
81
83
84
86
88
92
96
100
80
60
40
46
53
57
63

Low Clouds (% Sky Obscured)

62
57
47
42
37
40
44
49
42
36
30
36
40
44
46
48
50
44
39
36
43
46
43
50

Medium Clouds (% Sky Obscured)

3
5
10
14
18
16
14
12
28
45
61
65
69
75
67
58
50
44
44
38
20
8
1
0

High Clouds (% Sky Obscured)

6
10
20
37
45
56
64
70
77
81
83
84
85
88
92
96
100
70
41
11
8
5
3
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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 (%)

8
8
7
5
0
5
4
1
4
6
10
15
20
21
17
16
19
11
5
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)

11
10
10
11
12
13
12
12
11
11
11
11
9
7
6
4
3
3
2
2
1
1
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
84
88
80
75
69
65
60
55
55
57
57
62
67
72
78
86
93
92
91
91
91
90
91

Pressure (mb)

1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020

Ozone (du)

348
347
346
346
346
346
344
343
341
340
339
338
337
336
335
337
338
339
341
343
345
345
345
344

Friday 7

Waning Crescent 37%

23:45

17:28

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

Sun - Rise: 05:46, Set: 21:12, Transit: 13:29. Moon - Rise: 23:45, Set: 17:28. Civil Dark: 21:55 - 05:02. Nautical Dark: 22:55 - 04:06. Astro Dark: 00:27 - 02:37

Total Clouds (% Sky Obscured)

72
81
65
48
33
34
33
33
35
36
39
41
47
56
46
37
28
42
56
70

Low Clouds (% Sky Obscured)

58
70
59
48
33
34
33
33
35
36
39
41
43
43
32
21
12
6
3
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

4
5
6
8
10
6
3
0
1
2
2
10
21
35
36
34
28
35
40
45

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 (%)

0
0
0
0
0
0
0
0
0
0
0
2
2
1
2
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
11
13
15
16
17
19
19
19
20
20
19
19
17
15
13
13
12

Feels Like (°C)

10
10
10
11
12
13
13
13
14
20
19
18
19
20
20
16
17
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
84
77
73
64
56
50
49
47
45
51
56
62
70
77
86
87
89

Pressure (mb)

1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1016
1017
1017
1017
1017
1017

Ozone (du)

345
345
346
347
349
350
345
341
336
335
333
331
330
328
326
325
323
321
320
320

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

Generated: 01/08/26 05:28:22. Forecast: 01/08/26 to 07/08/26. Timezone: UTC+1.00