Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 43%

13:13

23:29

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

Sun - Rise: 05:19, Set: 21:25, Transit: 13:22. Moon - Rise: 13:13, Set: 23:29. Civil Dark: 22:10 - 04:34. Nautical Dark: 23:15 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

5
10
14
10
36
15
9
7
29
28
29
25
25
25
8
3
6
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

2
2
2
2
2
0
0
0
12
28
29
25
25
25
6
0
6
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

5
10
7
10
8
3
2
3
23
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
10
5
2
25
11
5
3
2
0
0
4
3
4
3
3
0
0
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 (%)

56
56
56
56
0
1
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
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
6
4
2
4
5
8
9
11
12
13
13
12
12
10
7
5
4
5
6
5
5
5

Chance of Frost

Temperature (°C)

9
9
11
14
16
17
18
18
19
19
19
19
19
19
19
19
19
18
16
16
15
15
14
14

Feels Like (°C)

9
9
11
15
17
16
18
17
18
18
19
19
19
19
19
19
21
20
18
18
17
16
14
14

Dew Point (°C)

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

Relative Humidity (%)

73
77
76
70
65
62
62
64
68
69
69
70
72
73
75
77
81
89
89
89
87
82
80
83

Pressure (mb)

1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029

Ozone (du)

326
325
324
324
323
324
323
323
323
325
325
325
324
325
325
327
327
325
323
322
322
322
322
322

Tuesday 21

First Quarter 53%

14:30

23:42

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

Sun - Rise: 05:20, Set: 21:24, Transit: 13:22. Moon - Rise: 14:30, Set: 23:42. Civil Dark: 22:09 - 04:36. Nautical Dark: 23:13 - 03:34. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
2
0
0
4
11
5
7
7
8
11
41
52
72
53
40
34
3
0
0
9
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
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
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
0
0
3
4
4
4
4
7
9
37
46
72
53
40
34
2
0
0
7
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 (%)

11
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
15

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
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)

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

Chance of Frost

Temperature (°C)

13
13
14
16
17
19
20
20
20
20
20
21
21
20
20
20
19
17
16
15
14
14
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
86
80
73
68
66
66
67
69
70
69
70
71
72
72
78
83
87
87
87
89
87
89

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028

Ozone (du)

321
319
320
319
318
318
319
320
321
321
321
320
320
322
323
324
325
327
328
333
337
337
334
331

Wednesday 22

Waxing Gibbous 63%

15:46

23:59

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

Sun - Rise: 05:22, Set: 21:23, Transit: 13:22. Moon - Rise: 15:46, Set: 23:59. Civil Dark: 22:07 - 04:38. Nautical Dark: 23:10 - 03:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

26
63
100
100
99
94
94
68
48
55
73
61
48
42
24
57
94
70
100
83
80
85
93
100

Low Clouds (% Sky Obscured)

14
30
44
52
57
62
48
45
46
44
37
21
6
2
0
3
19
7
3
7
9
6
3
0

Medium Clouds (% Sky Obscured)

0
0
0
0
91
81
82
36
8
3
8
3
2
0
6
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
20
100
96
93
43
52
3
2
32
69
38
35
35
9
51
91
65
100
80
76
84
92
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 (%)

19
16
16
8
1
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
11
9
11
13
13
15
16
19
19
20
19
18
19
19
21
19
18
18
16
15
15
14
14

Dew Point (°C)

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

Relative Humidity (%)

88
90
90
87
84
82
73
67
64
66
69
72
75
71
68
69
77
82
81
82
83
85
84
84

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

329
329
329
329
331
333
330
328
327
326
326
325
326
326
326
323
322
321
321
319
318
318
317
317

Thursday 23

Waxing Gibbous 72%

17:01

00:21

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

Sun - Rise: 05:23, Set: 21:21, Transit: 13:22. Moon - Rise: 17:01, Set: 00:21. Civil Dark: 22:05 - 04:39. Nautical Dark: 23:08 - 03:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
83
71
65
60
48
32
18
8
14
11
8
31
58
91
97
99
95
95
95
89
91
88
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
7

Medium Clouds (% Sky Obscured)

6
11
17
17
17
17
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4

High Clouds (% Sky Obscured)

86
66
45
29
25
19
13
8
4
10
7
6
29
53
88
96
99
91
92
89
80
87
80
93

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
83
81
74
72
71
71
71
69
67
65
65
66
68
70
77
85
87
89
92
92
93
93

Pressure (mb)

1025
1025
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

317
317
317
316
315
315
315
315
314
314
314
315
315
314
314
314
315
315
315
316
317
318
318
319

Friday 24

Waxing Gibbous 81%

18:12

00:52

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

Sun - Rise: 05:25, Set: 21:20, Transit: 13:22. Moon - Rise: 18:12, Set: 00:52. Civil Dark: 22:04 - 04:41. Nautical Dark: 23:06 - 03:42. Astro Dark: N/A - 01:40

Total Clouds (% Sky Obscured)

83
73
68
65
62
59
64
58
65
45
22
0
0
15
16
69
75
86
87
89
91
87
86
85

Low Clouds (% Sky Obscured)

15
21
29
32
35
42
39
36
30
20
10
0
0
0
0
10
19
29
35
40
46
45
42
38

Medium Clouds (% Sky Obscured)

5
7
9
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
18
37
55
54
52
51

High Clouds (% Sky Obscured)

70
55
42
41
42
46
61
58
65
45
22
0
0
15
16
65
63
53
58
65
65
56
47
38

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
0
4
12
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
92
86
81
76
73
71
70
69
66
65
66
67
70
74
78
83
86
89
93
92
89

Pressure (mb)

1021
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1015
1014
1013
1013
1013
1012
1012
1011
1011

Ozone (du)

321
323
324
324
323
323
324
324
323
324
324
323
322
319
318
316
318
319
321
328
335
343
339
336

Saturday 25

Waxing Gibbous 88%

19:14

01:35

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

Sun - Rise: 05:26, Set: 21:19, Transit: 13:22. Moon - Rise: 19:14, Set: 01:35. Civil Dark: 22:02 - 04:43. Nautical Dark: 23:03 - 03:44. Astro Dark: 01:05 - 01:54

Total Clouds (% Sky Obscured)

90
93
97
98
99
100
100
100
100
100
100
100
99
98
97
95
93
92
93
93
93
96
98
100

Low Clouds (% Sky Obscured)

53
68
83
85
86
89
89
89
89
87
86
84
82
80
78
78
79
81
83
84
85
89
94
100

Medium Clouds (% Sky Obscured)

62
73
83
75
68
60
64
68
72
77
83
89
88
87
87
80
75
70
75
80
85
80
71
60

High Clouds (% Sky Obscured)

49
43
36
49
67
84
89
92
97
92
86
82
66
40
15
10
4
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

28
36
44
47
49
52
48
43
40
38
35
32
30
29
31
25
21
19
19
17
17
24
30
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
11
12
13
14
13
13
12
12
12
12
11
10
9
7
6
4
5
5
5
6
6

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
15
16
15
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
92
93
93
95
95
95
93
93
92
89
89
87
86
85
87
89
90
90
90
90
92
93

Pressure (mb)

1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

333
330
326
323
323
322
322
323
323
324
326
328
331
330
329
328
330
332
333
334
335
336
338
341

Sunday 26

Waxing Gibbous 93%

20:04

02:32

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
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 Bad
00 Bad

Sun - Rise: 05:28, Set: 21:17, Transit: 13:22. Moon - Rise: 20:04, Set: 02:32. Civil Dark: 22:00 - 04:45. Nautical Dark: 23:01 - 03:46. Astro Dark: 00:51 - 02:03

Total Clouds (% Sky Obscured)

97
94
91
87
83
78
69
59
51
51
48
40
40
38
40
26
20
24
29
54
75

Low Clouds (% Sky Obscured)

97
94
91
87
82
76
69
59
51
50
41
32
27
21
17
17
20
23
26
28
31

Medium Clouds (% Sky Obscured)

40
24
9
6
3
0
0
0
0
6
13
19
17
18
25
24
20
24
25
28
27

High Clouds (% Sky Obscured)

0
0
0
0
1
1
1
1
0
13
20
25
19
23
31
21
10
0
5
17
45

ISS Passover

Visibility (miles)

9
9
9
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

Precipitation Type

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

Precipitation Probability (%)

34
33
31
31
29
26
24
21
16
13
8
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
93
93
89
87
83
79
74
71
68
67
64
65
65
66
72
76
83
84
84

Pressure (mb)

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

Ozone (du)

344
345
345
346
345
344
344
343
342
341
340
340
339
339
338
338
339
339
339
338
336

Forecast for Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 20/07/26 04:16:53. Forecast: 20/07/26 to 26/07/26. Timezone: UTC+1.00