Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Gibbous 83%

18:14

01:38

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

Sun - Rise: 06:15, Set: 20:11, Transit: 13:12. Moon - Rise: 18:14, Set: 01:38. Civil Dark: 20:45 - 05:41. Nautical Dark: 21:28 - 04:59. Astro Dark: 22:15 - 04:12

Total Clouds (% Sky Obscured)

39
32
39
100
100
100
100
100
100
100
83
97
89
94
100
100
95
95
77
68
69
84
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
13
2
0
0
0
0
0
0
8
1

Medium Clouds (% Sky Obscured)

1
5
5
5
6
9
8
8
94
72
36
44
55
33
72
80
87
95
77
38
30
24
53
13

High Clouds (% Sky Obscured)

5
32
39
100
100
100
100
100
100
100
55
84
83
93
100
100
80
49
35
18
35
61
100
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 (%)

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)

15
16
17
22
22
21
20
19
19
20
21
22
23
22
22
22
23
24
24
24
24
24
24
24

Chance of Frost

Temperature (°C)

19
19
19
19
19
18
18
19
19
19
19
19
19
19
19
18
18
18
18
18
18
18
19
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
67
68
70
70
71
70
70
72
76
75
76
72
73
75
76
74
74
74
74
72
71
68
68

Pressure (mb)

1024
1023
1023
1023
1022
1022
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1017
1017
1017
1016
1016
1015
1015
1014

Ozone (du)

333
331
329
327
327
327
327
327
327
326
324
323
323
321
323
325
327
327
328
328
328
328
327
326

Monday 24

Waxing Gibbous 90%

18:48

02:47

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:16, Set: 20:09, Transit: 13:12. Moon - Rise: 18:48, Set: 02:47. Civil Dark: 20:43 - 05:42. Nautical Dark: 21:25 - 05:00. Astro Dark: 22:12 - 04:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
88
83
100
100
100
91
100
100
94
96
95
97
93
87
83
94
88
70
88

Low Clouds (% Sky Obscured)

2
2
0
5
29
36
37
38
40
34
38
36
36
55
58
61
66
67
70
82
91
57
38
21

Medium Clouds (% Sky Obscured)

12
71
100
79
99
16
15
95
97
20
71
90
96
50
80
83
90
75
87
83
94
88
70
87

High Clouds (% Sky Obscured)

100
100
84
100
100
81
81
100
100
100
49
100
100
44
35
63
25
11
7
1
1
0
0
55

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

Precipitation Probability (%)

0
4
12
40
95
95
78
95
77
17
24
14
6
15
40
19
40
39
28
30
29
32
18
6

Precipitation Amount (mm)

0
0
0
0
1.1
1.8
0.3
1.2
0.4
0
0
0
0
0
0.4
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

24
24
25
25
26
27
29
29
27
24
22
21
20
18
17
15
15
14
11
9
8
11
11
12

Chance of Frost

Temperature (°C)

19
20
20
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
68
71
75
72
73
75
72
72
71
75
77
77
76
76
78
80
78
80
84
85
86
86
85

Pressure (mb)

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

Ozone (du)

327
327
326
326
324
326
324
324
321
320
318
320
322
325
327
327
325
322
322
321
320
318
315
315

Tuesday 25

Waxing Gibbous 95%

19:13

04:00

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:18, Set: 20:07, Transit: 13:12. Moon - Rise: 19:13, Set: 04:00. Civil Dark: 20:41 - 05:44. Nautical Dark: 21:23 - 05:02. Astro Dark: 22:09 - 04:16

Total Clouds (% Sky Obscured)

99
62
82
100
79
91
59
49
55
67
71
81
59
44
69
69
100
71
53
65
82
55
71
57

Low Clouds (% Sky Obscured)

17
19
19
23
21
76
59
49
43
44
44
55
54
29
27
20
14
6
7
8
22
14
7
0

Medium Clouds (% Sky Obscured)

89
16
13
12
12
13
7
6
2
67
71
68
7
4
4
4
0
0
0
0
0
1
1
0

High Clouds (% Sky Obscured)

82
30
42
100
79
11
25
25
25
25
25
25
6
21
62
69
100
31
27
56
82
52
48
27

ISS Passover

Visibility (miles)

9
9
9
9
9
3
6
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
10
17
23
31
36
23
7
8
1
3
10
2
0
0
1
2
2
6
7
4
4
3
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
20
19
19
19
19
19
19
19
19
19
19
19
19
18
18
18
18
19
19
19
19
20

Feels Like (°C)

17
18
19
17
17
18
17
17
19
18
19
19
17
19
19
19
18
17
18
20
20
20
21
19

Dew Point (°C)

16
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
18

Relative Humidity (%)

84
86
86
88
88
89
89
86
85
88
88
86
89
89
90
90
90
89
90
88
88
88
88
89

Pressure (mb)

1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

316
317
317
318
318
317
318
318
318
319
319
321
320
320
319
319
322
324
325
326
326
325
323
324

Wednesday 26

Waxing Gibbous 99%

19:33

05:15

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:19, Set: 20:05, Transit: 13:11. Moon - Rise: 19:33, Set: 05:15. Civil Dark: 20:39 - 05:45. Nautical Dark: 21:20 - 05:04. Astro Dark: 22:06 - 04:18

Total Clouds (% Sky Obscured)

71
86
100
100
100
100
100
100
100
100
100
65
84
72
70
70
100
100
89
73
71
72
49
49

Low Clouds (% Sky Obscured)

3
8
11
14
20
80
78
78
45
40
84
28
59
35
22
19
20
36
26
34
36
25
15
14

Medium Clouds (% Sky Obscured)

0
0
24
16
6
100
38
100
11
56
100
8
14
0
0
0
0
0
0
0
0
0
4
0

High Clouds (% Sky Obscured)

48
74
100
100
100
100
99
99
98
99
99
65
65
70
70
70
100
100
73
45
25
34
26
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
4
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

1
2
3
44
61
88
95
95
95
95
95
95
95
95
95
88
64
25
18
12
1
4
7
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
11
12
10
8
6
18
16
12
12
8
9
11
13
16
15
15
14
14
13
13
12
11

Chance of Frost

Temperature (°C)

20
20
20
20
20
20
20
18
18
18
18
18
18
18
19
19
18
18
18
18
18
18
18
18

Feels Like (°C)

20
20
19
19
19
20
21
13
14
16
16
18
19
17
17
17
17
15
16
16
16
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

91
89
88
84
80
80
86
90
86
88
88
89
89
89
86
88
86
85
81
81
80
78
77
77

Pressure (mb)

1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1006
1005
1005
1005
1005
1006
1006
1006
1007
1007
1007

Ozone (du)

325
325
325
324
324
324
324
327
330
334
337
341
342
342
341
340
339
339
340
341
342
342
343
342

Thursday 27

Waxing Gibbous 100%

19:49

06:29

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:21, Set: 20:03, Transit: 13:11. Moon - Rise: 19:49, Set: 06:29. Civil Dark: 20:37 - 05:47. Nautical Dark: 21:18 - 05:06. Astro Dark: 22:04 - 04:21

Total Clouds (% Sky Obscured)

91
96
100
100
100
100
99
99
67
58
87
83
79
75
72
72
71
69
73
76
79
80
81
83

Low Clouds (% Sky Obscured)

4
4
1
0
2
5
5
6
6
7
4
3
3
3
0
1
2
3
7
11
16
28
42
54

Medium Clouds (% Sky Obscured)

7
8
28
98
100
84
99
89
0
0
0
4
7
11
15
13
11
9
27
45
62
43
23
8

High Clouds (% Sky Obscured)

79
88
100
100
100
100
98
95
67
58
63
49
36
26
36
38
40
42
46
53
66
72
75
82

ISS Passover

Visibility (miles)

9
9
7
7
3
7
9
5
9
7
9
9
9
9
9
9
7
5
3
4
4
5
4
4

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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
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 (%)

34
43
65
73
64
76
64
51
40
46
36
11
30
31
22
34
42
47
70
84
95
88
83
81

Precipitation Amount (mm)

0
0
0.3
0.6
0.3
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.8
0.6
0.5
0.5

Wind Speed/Direction (mph)

9
8
8
9
11
12
14
14
14
15
16
16
16
16
15
15
15
14
14
15
17
19
20
19

Chance of Frost

Temperature (°C)

18
19
19
19
19
19
19
18
19
18
18
18
18
17
17
17
17
17
17
17
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
75
75
73
71
71
75
75
73
76
74
76
74
74
74
74
76
79
81
81
79
78
79
81

Pressure (mb)

1007
1007
1006
1006
1006
1005
1005
1005
1005
1006
1005
1005
1005
1004
1004
1004
1004
1003
1003
1003
1003
1003
1002
1002

Ozone (du)

343
345
345
346
347
349
348
346
346
349
348
347
344
345
347
348
348
348
349
349
350
351
351
352

Friday 28

Full Moon 99%

20:04

07:43

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

Sun - Rise: 06:22, Set: 20:01, Transit: 13:11. Moon - Rise: 20:04, Set: 07:43. Civil Dark: 20:34 - 05:49. Nautical Dark: 21:16 - 05:08. Astro Dark: 22:01 - 04:23

Total Clouds (% Sky Obscured)

68
53
39
33
26
18
26
35
44
33
22
12
23
37
45
46
48
53
64
72
80
74
71
69

Low Clouds (% Sky Obscured)

45
36
27
19
11
3
6
10
15
10
6
2
1
1
0
9
18
27
18
9
0
1
2
2

Medium Clouds (% Sky Obscured)

5
3
0
1
2
4
9
14
19
13
7
2
2
2
8
8
8
8
23
40
54
40
29
19

High Clouds (% Sky Obscured)

59
33
14
16
11
6
14
22
28
19
9
1
23
37
45
46
48
53
64
72
80
74
71
69

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

82
78
70
60
53
50
53
53
48
38
28
15
19
22
24
38
50
61
67
68
65
73
83
92

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
13
14
20
19
19
19
20
20
21
20
19
19
19
19
19
21
22
24
24
24
24
25
26

Chance of Frost

Temperature (°C)

18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

15
15
15
15
15
15
15
15
15
15
15
15
15
15
14
14
14
14
15
14
14
14
14
14

Relative Humidity (%)

82
82
83
83
83
81
78
78
80
80
81
82
82
81
79
78
78
81
82
81
78
78
78
78

Pressure (mb)

1002
1002
1002
1002
1003
1004
1005
1006
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1009

Ozone (du)

353
352
352
351
348
346
343
344
344
345
345
344
344
343
343
342
341
341
340
340
341
341
339
337

Saturday 29

Waning Gibbous 96%

20:17

08:59

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

Sun - Rise: 06:23, Set: 19:59, Transit: 13:10. Moon - Rise: 20:17, Set: 08:59. Civil Dark: 20:32 - 05:50. Nautical Dark: 21:13 - 05:09. Astro Dark: 21:58 - 04:25

Total Clouds (% Sky Obscured)

76
84
91
93
94
95
84
72
59
58
58
61
54
48
37
28
23
23

Low Clouds (% Sky Obscured)

3
4
5
5
5
5
5
5
5
14
23
32
23
13
3
5
6
8

Medium Clouds (% Sky Obscured)

18
17
16
39
61
84
67
50
29
20
11
2
1
1
0
0
0
0

High Clouds (% Sky Obscured)

76
84
91
93
94
94
84
72
59
58
58
61
54
45
37
20
8
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
7
7
7

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

85
73
61
48
40
38
39
38
41
47
52
53
50
43
34
43
48
51

Precipitation Amount (mm)

0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

26
25
24
24
24
23
22
22
22
22
21
19
20
19
19
20
19
19

Chance of Frost

Temperature (°C)

18
18
18
19
19
18
18
18
18
18
18
18
18
18
18
18
18
18

Feels Like (°C)

13
13
13
12
13
13
13
13
13
14
14
13
13
13
13
13
13
13

Dew Point (°C)

14
15
15
15
16
16
16
16
15
16
16
15
15
15
16
16
16
16

Relative Humidity (%)

79
80
80
80
82
83
83
83
83
85
85
85
85
85
86
86
86
86

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1008
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008

Ozone (du)

334
333
332
331
331
332
332
331
330
329
328
327
327
325
324
323
321
320

Forecast for Salerie, Guernsey (49.46,-2.53)

Generated: 23/08/26 13:12:36. Forecast: 23/08/26 to 29/08/26. Timezone: UTC+1.00