Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 20%

01:16

17:53

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:50, Set: 19:18, Transit: 13:04. Moon - Rise: 01:16, Set: 17:53. Civil Dark: 19:50 - 06:18. Nautical Dark: 20:30 - 05:40. Astro Dark: 21:10 - 05:00

Total Clouds (% Sky Obscured)

92
94
95
96
98
98
90
83
94
91
85
89
85
76
79
68
55
79
70
74
48
85
82
68

Low Clouds (% Sky Obscured)

31
37
35
36
48
40
39
37
72
81
85
85
85
76
79
68
55
76
70
74
48
85
82
68

Medium Clouds (% Sky Obscured)

90
93
94
96
93
97
90
83
88
50
9
5
3
0
0
0
0
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

85
94
94
96
97
82
67
8
7
6
6
3
10
0
0
0
0
0
0
1
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
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
21
14
4
7
11
10
4
0
0
0
0
0
1
1
0
0
0
0
0
1
1

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)

14
14
14
14
15
16
19
20
19
22
22
22
23
23
22
22
22
20
18
19
20
20
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
75
75
75
75
81
79
81
82
85
83
83
85
85
85
83
82
85
85
86
86
86
85

Pressure (mb)

1022
1022
1022
1022
1021
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

268
268
266
264
262
262
264
264
264
263
263
262
261
261
263
264
265
264
266
267
266
264
264
265

Wednesday 17

Waning Crescent 12%

02:36

18:15

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
17 OK
18 OK
19 OK

Sun - Rise: 06:51, Set: 19:16, Transit: 13:03. Moon - Rise: 02:36, Set: 18:15. Civil Dark: 19:48 - 06:19. Nautical Dark: 20:28 - 05:42. Astro Dark: 21:07 - 05:02

Total Clouds (% Sky Obscured)

82
88
74
68
91
95
89
81
91
74
79
67
69
66
58
63
80
58
61
44
38
37
32
35

Low Clouds (% Sky Obscured)

82
88
74
68
84
90
89
81
91
74
79
67
69
65
58
63
66
58
45
44
38
37
32
35

Medium Clouds (% Sky Obscured)

0
0
0
0
8
22
0
0
0
0
0
0
0
0
0
0
17
0
19
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
5
44
38
37
3
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
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 (%)

1
4
3
4
10
1
18
7
5
17
15
15
2
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)

20
19
18
17
16
15
16
15
16
15
15
15
15
15
15
15
14
13
11
8
5
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
88
89
89
90
92
92
92
92
92
92
90
90
90
90
90
89
88
86
85
85
84
81

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020

Ozone (du)

266
266
266
265
265
265
263
262
262
261
261
261
261
261
262
263
262
262
261
261
262
263
264
264

Thursday 18

Waning Crescent 6%

03:55

18:31

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

Sun - Rise: 06:53, Set: 19:13, Transit: 13:03. Moon - Rise: 03:55, Set: 18:31. Civil Dark: 19:45 - 06:21. Nautical Dark: 20:25 - 05:43. Astro Dark: 21:05 - 05:04

Total Clouds (% Sky Obscured)

18
47
48
22
1
5
14
56
93
28
68
83
54
33
24
48
71
48
34
18
13
27
29
34

Low Clouds (% Sky Obscured)

18
47
48
22
0
0
0
0
0
0
0
0
0
0
0
0
24
16
8
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
53
33
24
48
60
4
0
2
7
12
19
30

High Clouds (% Sky Obscured)

1
0
0
0
1
5
14
56
93
28
68
83
54
33
24
48
25
46
34
18
5
14
8
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
82
82
82
86
85
88
86
85
85
85
85
82
82
80
70
66
65
62
66
65
64
58

Pressure (mb)

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

Ozone (du)

264
263
263
263
264
264
263
263
264
264
264
264
264
262
262
262
262
263
263
263
264
264
265
266

Friday 19

Waning Crescent 2%

05:11

18:45

20 Good
21 Good
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
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:54, Set: 19:11, Transit: 13:03. Moon - Rise: 05:11, Set: 18:45. Civil Dark: 19:43 - 06:22. Nautical Dark: 20:23 - 05:45. Astro Dark: 21:03 - 05:05

Total Clouds (% Sky Obscured)

16
12
65
83
100
93
86
77
83
92
100
100
100
100
99
100
98
100
100
100
89
78
65
63

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
0
0
17
34
49
64
75
85
70
69
48
52
51
50
47

Medium Clouds (% Sky Obscured)

12
8
20
27
38
37
30
67
75
74
77
85
50
57
61
65
80
71
67
60
57
60
58
4

High Clouds (% Sky Obscured)

4
4
64
83
100
81
60
40
60
80
100
100
100
100
99
100
96
100
100
100
75
50
25
30

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

Precipitation Probability (%)

0
0
0
0
0
4
5
3
12
14
12
20
20
32
60
77
91
73
53
10
14
6
4
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
7
7
7
7
7
8
7
7
7
7
8
8
9
9
10
14
17
15
18
16
17
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
64
67
73
78
79
81
83
83
85
85
86
86
86
85
85
83
81
76
78
87
87
87
85

Pressure (mb)

1016
1016
1016
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

266
266
265
264
265
266
265
265
266
266
266
266
266
266
267
268
268
269
270
270
271
272
273
274

Saturday 20

Waning Crescent 0%

06:23

18:57

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
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

Sun - Rise: 06:56, Set: 19:09, Transit: 13:02. Moon - Rise: 06:23, Set: 18:57. Civil Dark: 19:41 - 06:24. Nautical Dark: 20:21 - 05:46. Astro Dark: 21:00 - 05:07

Total Clouds (% Sky Obscured)

50
29
38
34
44
34
30
28
33
25
44
52
57
62
60
59
60
60
60
64
61
64
68
62

Low Clouds (% Sky Obscured)

45
29
38
34
44
34
30
28
33
25
42
51
56
61
59
55
52
48
44
39
40
41
41
31

Medium Clouds (% Sky Obscured)

0
0
1
2
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
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
8
7
6

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
Very Light Rain
None

Precipitation Probability (%)

21
11
19
18
13
21
27
29
18
12
8
18
15
10
12
13
11
12
13
9
25
35
44
43

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
0.2
0

Wind Speed/Direction (mph)

20
21
22
19
21
20
19
17
17
16
16
19
12
9
9
7
6
5
6
7
8
9
12
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
89
85
79
76
75
76
76
75
73
74
75
74
73
71
69
66
63
63
63
63
67
69
73

Pressure (mb)

1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

277
279
279
280
280
281
282
284
283
284
286
289
294
298
303
305
307
309
310
312
313
313
313
313

Sunday 21

New Moon 1%

07:34

19:09

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:57, Set: 19:07, Transit: 13:02. Moon - Rise: 07:34, Set: 19:09. Civil Dark: 19:39 - 06:25. Nautical Dark: 20:19 - 05:48. Astro Dark: 20:58 - 05:09

Total Clouds (% Sky Obscured)

60
57
63
73
81
81
81
83
87
93
98
98
99
99
99
98
97
95
93
91
94
97
100
99

Low Clouds (% Sky Obscured)

25
24
29
40
55
59
63
68
67
67
66
66
66
66
67
67
66
56
48
39
56
66
89
92

Medium Clouds (% Sky Obscured)

2
2
3
3
10
13
18
26
41
47
52
58
52
56
69
81
95
93
90
91
94
97
100
80

High Clouds (% Sky Obscured)

0
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
2
3
2
3
5
7
9
9

ISS Passover

Visibility (miles)

7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None
Light Rain

Precipitation Probability (%)

42
36
41
49
61
66
69
66
68
69
66
66
62
47
56
60
62
59
52
45
54
57
54
75

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
17
17
18
19
20
21
22
23
24
24
24
24
25
25
25
25
24
25
25
25
25
26
26

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
13
13
13
13
13
13
13
13
13
13
13
13
13
14
14
14
14
14

Feels Like (°C)

10
9
8
8
8
8
7
7
7
7
7
7
6
6
6
6
6
6
6
7
7
7
8
8

Dew Point (°C)

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

Relative Humidity (%)

73
71
72
71
70
70
69
70
70
70
70
71
71
71
71
70
70
69
64
61
57
59
60
61

Pressure (mb)

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

Ozone (du)

314
316
317
319
321
323
324
325
326
326
326
326
326
325
325
326
326
327
327
327
327
327
327
327

Monday 22

Waxing Crescent 3%

08:44

19:22

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: 06:59, Set: 19:05, Transit: 13:02. Moon - Rise: 08:44, Set: 19:22. Civil Dark: 19:37 - 06:27. Nautical Dark: 20:16 - 05:49. Astro Dark: 20:55 - 05:11

Total Clouds (% Sky Obscured)

99
99
96
93
91
89
88
78
67
58
48
43
38
37
38
39
40

Low Clouds (% Sky Obscured)

94
99
96
93
91
89
88
78
67
58
48
43
38
37
38
39
40

Medium Clouds (% Sky Obscured)

64
52
48
48
40
45
49
51
47
39
26
25
31
37
34
31
32

High Clouds (% Sky Obscured)

4
2
1
0
0
3
6
10
9
8
6
7
7
7
6
5
5

ISS Passover

Visibility (miles)

9
8
7
8
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

Precipitation Type

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

Precipitation Probability (%)

94
95
95
86
61
58
52
43
45
47
49
51
53
55
49
41
31

Precipitation Amount (mm)

0.7
1.5
1
0.6
0.3
0.2
0.2
0
0
0.2
0.2
0.2
0.3
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
13
13
13
13
13
13
13
13

Feels Like (°C)

8
8
8
8
8
7
7
7
7
7
7
8
8
8
8
8
8

Dew Point (°C)

7
7
7
8
8
8
8
8
8
7
7
7
7
8
8
8
8

Relative Humidity (%)

61
61
61
63
64
65
67
67
67
65
65
66
68
69
71
70
69

Pressure (mb)

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

Ozone (du)

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

Forecast for Salerie, Guernsey (49.46,-2.53)

Generated: 16/09/25 20:35:01. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+1.00