Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waning Gibbous 99%

20:17

07:43

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:22, Set: 19:59, Transit: 13:10. Moon - Rise: 20:17, Set: 07:43. Civil Dark: 20:32 - 05:49. Nautical Dark: 21:13 - 05:08. Astro Dark: 21:58 - 04:23

Total Clouds (% Sky Obscured)

34
31
62
75
100
100
100
94
95
81
38
85
66
73
82
74
63
68
44
42
42
46
63
75

Low Clouds (% Sky Obscured)

6
0
0
0
62
80
94
92
91
76
19
30
26
44
55
62
63
65
44
42
42
46
50
47

Medium Clouds (% Sky Obscured)

2
3
7
37
99
100
100
94
80
1
0
81
66
12
17
15
3
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

34
31
49
75
100
100
100
0
1
5
7
19
1
1
0
0
0
0
0
1
2
12
27
73

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
3
4
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
Light Rain
Moderate Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
5
5
14
83
95
95
80
38
34
48
31
32
36
35
14
11
7
3
9
7
11
13

Precipitation Amount (mm)

0
0
0.3
0
0
0.4
3
1.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
14
13
13
18
18
20
25
27
28
24
26
32
35
36
37
35
36
33
31
29
27
25
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
82
82
83
86
90
93
93
88
85
81
81
84
86
89
86
85
85
86
86
86
88

Pressure (mb)

1011
1011
1010
1010
1009
1008
1007
1006
1006
1006
1005
1005
1005
1005
1005
1005
1006
1007
1007
1008
1009
1010
1011
1011

Ozone (du)

308
306
303
300
296
296
300
303
307
311
307
306
305
304
303
305
305
303
303
305
303
303
304
305

Sunday 30

Waning Gibbous 96%

20:31

08:59

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 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:23, Set: 19:57, Transit: 13:10. Moon - Rise: 20:31, Set: 08:59. Civil Dark: 20:30 - 05:50. Nautical Dark: 21:11 - 05:09. Astro Dark: 21:55 - 04:25

Total Clouds (% Sky Obscured)

78
85
100
100
99
98
100
99
96
99
100
86
63
56
10
61
68
100
56
44
43
62
86
54

Low Clouds (% Sky Obscured)

25
22
40
26
20
30
33
27
27
26
77
78
52
19
9
21
33
80
54
38
35
39
38
35

Medium Clouds (% Sky Obscured)

0
0
0
0
5
67
52
58
96
86
88
75
0
0
4
0
6
93
0
0
2
8
10
1

High Clouds (% Sky Obscured)

76
84
100
100
96
92
100
92
82
98
100
58
30
29
0
61
68
100
1
0
0
0
85
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
9
8
9
9
9
9
9
7
4
9
7
9
9
4
7

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

Precipitation Probability (%)

14
3
7
21
30
47
52
42
32
23
25
29
28
23
27
31
69
95
85
37
22
50
78
64

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0.3
0
0
0
0.4
0.3

Wind Speed/Direction (mph)

22
20
18
18
17
16
16
16
17
17
17
17
17
16
14
14
15
17
26
27
26
26
28
30

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
89
88
89
88
88
88
86
86
83
84
81
78
80
78
80
78
78
83
85
83
83
86

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1009
1010
1010
1010
1010

Ozone (du)

306
304
303
304
306
305
304
305
305
306
307
308
310
314
318
325
332
329
328
330
330
331
336
338

Monday 31

Waning Gibbous 91%

20:47

10:17

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:25, Set: 19:55, Transit: 13:10. Moon - Rise: 20:47, Set: 10:17. Civil Dark: 20:28 - 05:52. Nautical Dark: 21:08 - 05:11. Astro Dark: 21:53 - 04:27

Total Clouds (% Sky Obscured)

79
60
58
66
64
57
67
36
46
42
43
53
72
72
72
72
69
72
81
100
88
100
92
83

Low Clouds (% Sky Obscured)

30
29
29
30
28
26
29
26
34
39
43
53
37
33
28
25
13
3
3
4
4
13
12
12

Medium Clouds (% Sky Obscured)

14
6
9
9
3
0
0
0
0
0
0
0
0
0
27
18
0
0
0
4
5
7
3
2

High Clouds (% Sky Obscured)

79
4
0
0
1
3
24
1
0
0
0
1
72
72
72
72
69
72
81
100
88
100
75
47

ISS Passover

Visibility (miles)

7
7
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
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 (%)

38
53
62
64
46
39
27
21
28
29
24
16
9
2
1
1
0
0
0
0
0
2
4
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

29
28
28
26
25
24
22
21
20
19
19
20
20
19
18
17
16
16
15
14
14
14
13
12

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)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
79
82
79
81
81
81
81
79
81
85
85
85
86
85
83
83
85
82
78
76
73
73

Pressure (mb)

1010
1010
1011
1011
1011
1012
1012
1013
1014
1015
1015
1016
1017
1017
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020

Ozone (du)

336
333
329
325
323
323
326
328
329
327
321
317
315
314
315
315
315
314
313
313
312
313
313
312

Tuesday 1

Waning Gibbous 83%

21:07

11:37

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

Sun - Rise: 06:26, Set: 19:53, Transit: 13:09. Moon - Rise: 21:07, Set: 11:37. Civil Dark: 20:26 - 05:53. Nautical Dark: 21:06 - 05:13. Astro Dark: 21:50 - 04:29

Total Clouds (% Sky Obscured)

75
72
69
65
61
64
67
58
55
51
57
30
38
32
23
14
26
44
42
61
69
100
100
67

Low Clouds (% Sky Obscured)

12
16
19
19
18
18
18
15
13
6
5
9
13
12
9
5
6
7
9
11
16
19
10
3

Medium Clouds (% Sky Obscured)

0
0
69
65
61
64
67
58
55
51
57
5
5
5
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

25
20
20
20
5
0
0
1
8
3
3
3
5
5
6
4
13
21
20
47
64
100
100
67

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
2
2
1
2
3
2
3
5
4
11
8
4
6
4
1
0
0
0
1
2
4
0
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
70
70
70
72
73
73
73
72
72
72
73
74
76
76
73
74
76
79
78
79
81
81

Pressure (mb)

1020
1021
1020
1020
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

312
312
313
314
314
316
317
318
319
318
318
318
318
319
320
322
324
324
323
322
323
320
321
321

Wednesday 2

Waning Gibbous 74%

21:32

13:00

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:28, Set: 19:51, Transit: 13:09. Moon - Rise: 21:32, Set: 13:00. Civil Dark: 20:24 - 05:55. Nautical Dark: 21:04 - 05:15. Astro Dark: 21:47 - 04:31

Total Clouds (% Sky Obscured)

79
100
100
100
96
100
100
100
100
100
100
100
100
92
86
83
90
94
95
94
90
87
81
78

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
3
7
8
9
31
29
75
79
83
83
86
82
79
65
51
37
56
74

Medium Clouds (% Sky Obscured)

0
0
2
100
88
37
11
13
7
5
12
14
98
86
74
63
44
24
5
5
5
6
7
8

High Clouds (% Sky Obscured)

79
100
100
100
76
100
100
100
100
100
87
76
64
47
34
45
50
55
60
55
45
40
27
23

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

Precipitation Probability (%)

0
0
0
0
0
0
0
39
59
69
64
51
48
57
38
17
17
17
15
14
12
4
13
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.5
0.3
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
12
12
13
14
14
17
18
19
19
20
21
22
22
23
25
25
25
26
24
23
22
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
79
78
78
81
79
81
82
83
83
83
85
81
81
81
80
81
85
86
88
89
92
92

Pressure (mb)

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

Ozone (du)

321
323
322
322
322
317
313
310
307
303
301
300
300
298
296
294
293
293
293
294
293
293
292
292

Thursday 3

Waning Gibbous 63%

22:07

14:24

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
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

Sun - Rise: 06:29, Set: 19:48, Transit: 13:09. Moon - Rise: 22:07, Set: 14:24. Civil Dark: 20:21 - 05:56. Nautical Dark: 21:01 - 05:16. Astro Dark: 21:45 - 04:33

Total Clouds (% Sky Obscured)

73
75
79
83
67
47
26
37
47
57
53
48
46
62
78
95
90
85
79
70
62
55
67
79

Low Clouds (% Sky Obscured)

73
75
78
72
48
25
2
1
1
0
1
2
3
5
8
10
7
5
2
6
10
14
20
25

Medium Clouds (% Sky Obscured)

9
8
6
5
4
3
3
3
4
4
5
6
7
20
34
48
42
36
30
36
39
44
63
79

High Clouds (% Sky Obscured)

17
15
25
36
43
34
20
27
33
37
32
23
11
18
19
20
13
11
6
5
3
2
5
8

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 (%)

16
21
22
22
19
17
11
11
9
10
9
10
13
19
20
16
13
8
0
9
15
19
25
29

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)

23
23
22
21
20
19
19
19
19
18
18
18
18
17
18
18
19
20
21
21
22
21
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
90
90
89
88
86
83
83
83
81
82
83
83
83
82
82
83
85
86
86
86
86
88

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1018

Ozone (du)

291
291
291
290
290
291
292
293
293
292
292
292
292
291
292
293
294
294
293
293
294
294
294
295

Friday 4

Third Quarter 51%

22:57

15:41

Sun - Rise: 06:31, Set: 19:46, Transit: 13:08. Moon - Rise: 22:57, Set: 15:41. Civil Dark: 20:19 - 05:58. Nautical Dark: 20:59 - 05:18. Astro Dark: 21:42 - 04:35

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Salerie, Guernsey (49.46,-2.53)

Generated: 29/08/26 00:55:56. Forecast: 29/08/26 to 04/09/26. Timezone: UTC+1.00