Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 20%

02:39

18:03

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
05 Bad

Sun - Rise: 06:55, Set: 19:24, Transit: 13:09. Moon - Rise: 02:39, Set: 18:03. Civil Dark: 19:56 - 06:22. Nautical Dark: 20:35 - 05:45. Astro Dark: 21:15 - 05:05

Total Clouds (% Sky Obscured)

93
91
75
88
88
88
82
97
93
96
94
93
95
85
83
78
88
81
96
100
93
85
95
97

Low Clouds (% Sky Obscured)

91
75
75
88
88
88
65
95
86
89
93
90
89
84
82
78
88
80
84
87
86
70
90
93

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
24
34
48
47
46
32
20
0
0
6
0
0
38
40
21
24
17
6

High Clouds (% Sky Obscured)

6
4
0
0
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
6
5
5
5
6
9
9
5
5
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
17
7
16
1
1
5
5
16
22
22
30
23
26
25
17
2
9
10
17
20
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
98
98
98
96
98
98
98
96
98
98
98
98
100
98
100
98
98
98
98
98
98

Pressure (mb)

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

Ozone (du)

260
260
262
265
267
267
269
271
270
269
268
268
268
268
267
266
266
266
265
265
265
265
265
265

Thursday 18

Waning Crescent 12%

03:58

18:23

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 OK
05 OK

Sun - Rise: 06:57, Set: 19:21, Transit: 13:09. Moon - Rise: 03:58, Set: 18:23. Civil Dark: 19:54 - 06:24. Nautical Dark: 20:32 - 05:47. Astro Dark: 21:13 - 05:07

Total Clouds (% Sky Obscured)

83
88
87
86
82
86
91
91
95
75
79
74
75
82
56
54
66
98
97
93
83
78
29
22

Low Clouds (% Sky Obscured)

83
88
87
82
75
86
83
76
62
73
78
71
73
78
53
46
66
70
54
62
53
44
29
7

Medium Clouds (% Sky Obscured)

0
0
0
2
1
1
12
15
8
6
4
1
10
19
30
41
2
2
1
2
1
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
14
35
57
84
53
55
63
63
71
15
12
2
97
97
89
45
28
19
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
6
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
2

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 (%)

19
16
5
1
5
5
2
1
4
0
1
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)

11
11
11
10
13
13
13
14
14
13
13
12
8
6
6
5
3
2
2
2
2
2
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
93
92
92
92
92
92
92
95
95
96
98
98
98
96
98
98
100
98
98
96
98

Pressure (mb)

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

Ozone (du)

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

Friday 19

Waning Crescent 6%

05:15

18:38

06 OK
07 OK
08 OK
09 OK
10 OK
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
05 Bad

Sun - Rise: 06:58, Set: 19:19, Transit: 13:09. Moon - Rise: 05:15, Set: 18:38. Civil Dark: 19:52 - 06:26. Nautical Dark: 20:30 - 05:49. Astro Dark: 21:10 - 05:09

Total Clouds (% Sky Obscured)

20
20
25
32
38
67
76
81
80
66
86
73
64
70
66
64
79
76
100
99
94
96
97
93

Low Clouds (% Sky Obscured)

0
0
0
8
26
43
53
61
57
62
58
62
64
68
66
64
65
62
57
69
77
81
82
74

Medium Clouds (% Sky Obscured)

1
1
2
2
1
0
0
1
1
0
0
0
0
0
0
0
0
1
0
0
4
38
21
53

High Clouds (% Sky Obscured)

20
20
25
32
24
53
49
33
37
16
69
29
8
2
5
4
40
30
99
95
87
85
83
66

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 (%)

34
92
96
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
4
10

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)

0
0
0
1
3
5
5
6
6
5
4
4
3
3
2
4
4
2
2
1
1
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
92
85
76
69
65
62
63
65
70
79
89
90
93
95
95
95
96
96
98
98
100

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1016
1015
1015
1014
1014
1013
1013
1013
1012

Ozone (du)

263
264
264
263
263
262
262
263
264
265
266
267
268
269
269
268
268
269
270
271
272
271
271
270

Saturday 20

Waning Crescent 2%

No Rise

18:51

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

Sun - Rise: 07:00, Set: 19:17, Transit: 13:08. Moon - Rise: No Rise, Set: 18:51. Civil Dark: 19:49 - 06:27. Nautical Dark: 20:28 - 05:50. Astro Dark: 21:08 - 05:10

Total Clouds (% Sky Obscured)

96
99
100
100
100
100
100
100
100
100
89
78
69
40
41
37
44
37
32
45
54
57
65
69

Low Clouds (% Sky Obscured)

74
76
78
89
89
88
87
73
59
51
54
56
50
40
41
37
43
31
28
36
40
44
56
64

Medium Clouds (% Sky Obscured)

54
80
85
100
100
100
100
80
59
45
0
0
0
0
0
0
0
0
0
6
11
22
15
8

High Clouds (% Sky Obscured)

73
85
93
82
93
100
82
100
100
100
78
57
26
2
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
3
9
7
4
7
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
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
73
95
95
95
95
95
95
71
42
48
30
11
9
8
10
14
9
13
19
16
22
25
23

Precipitation Amount (mm)

0
0.5
1.9
4
1.7
1.8
1.7
0.9
0.3
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
5
5
3
5
7
8
9
12
14
13
12
11
10
10
9
9
8
7
6
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
15
15
16
16
16
16
15
15
15
15
14
12
12
12
12
11
12
11
11
11
11
11

Relative Humidity (%)

98
98
98
95
96
95
96
96
96
96
95
98
96
95
95
96
98
96
98
95
96
96
96
95

Pressure (mb)

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

Ozone (du)

271
271
272
273
274
273
272
271
272
272
276
280
282
284
285
287
291
293
295
296
296
298
299
301

Sunday 21

New Moon 0%

06:28

19:02

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
05 Bad

Sun - Rise: 07:01, Set: 19:15, Transit: 13:08. Moon - Rise: 06:28, Set: 19:02. Civil Dark: 19:47 - 06:29. Nautical Dark: 20:25 - 05:52. Astro Dark: 21:05 - 05:12

Total Clouds (% Sky Obscured)

78
78
83
87
81
78
48
69
41
53
43
26
31
65
68
70
68
69
75
67
65
65
68
66

Low Clouds (% Sky Obscured)

72
68
67
67
67
66
48
65
41
53
43
26
31
37
34
27
26
27
26
24
23
22
24
27

Medium Clouds (% Sky Obscured)

0
7
14
23
15
8
0
0
0
0
0
0
8
30
42
53
62
67
74
63
58
57
58
56

High 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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
9
9
9
9
4
7
7
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
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

32
29
27
30
31
36
44
41
40
40
52
58
53
61
59
57
56
48
26
26
20
7
17
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
5
6
6
8
8
8
8
9
9
7
4
2
2
13
14
15
16
16
17
17
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
9
9
10
11
12
12
13
13
13
12
13
12
11
10
10
10
9
8
3
3
2
2

Dew Point (°C)

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

Relative Humidity (%)

95
93
92
89
86
78
76
76
74
76
78
80
84
90
92
91
93
93
91
91
91
91
90
90

Pressure (mb)

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

Ozone (du)

306
310
312
314
315
315
315
314
315
315
316
317
318
320
321
322
323
323
324
324
324
324
324
324

Monday 22

Waxing Crescent 1%

07:40

19:13

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

Sun - Rise: 07:03, Set: 19:12, Transit: 13:08. Moon - Rise: 07:40, Set: 19:13. Civil Dark: 19:45 - 06:30. Nautical Dark: 20:23 - 05:54. Astro Dark: 21:03 - 05:14

Total Clouds (% Sky Obscured)

62
60
62
61
64
63
63
65
62
62
53
41
32
25
17
6
12
20
28
39
49
45
37
40

Low Clouds (% Sky Obscured)

29
26
26
24
29
30
31
38
42
48
34
24
14
12
6
1
2
3
4
7
11
17
19
22

Medium Clouds (% Sky Obscured)

52
37
22
7
11
19
27
26
23
18
15
12
7
4
2
1
4
6
8
12
15
19
24
29

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
10
17
23
17
10
4
28
40

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 (%)

10
13
12
3
6
5
2
3
2
0
0
0
0
0
0
0
0
0
0
0
0
1
3
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
7
7
7
6
6
6
6
6
5
5
5
5
5
5
5
4
4
4
4
3
4

Relative Humidity (%)

88
88
84
81
78
73
68
65
63
61
59
62
66
69
74
81
87
85
85
85
84
82
81
84

Pressure (mb)

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

Ozone (du)

324
324
324
324
324
323
323
322
320
317
315
313
311
309
308
307
306
306
305
305
304
304
303
304

Tuesday 23

Waxing Crescent 3%

08:51

19:25

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

Sun - Rise: 07:04, Set: 19:10, Transit: 13:07. Moon - Rise: 08:51, Set: 19:25. Civil Dark: 19:43 - 06:32. Nautical Dark: 20:21 - 05:55. Astro Dark: 21:00 - 05:16

Total Clouds (% Sky Obscured)

43
47
46
67
67
68
57
65
76
88
83
80
77
79
82
85
69
52
35

Low Clouds (% Sky Obscured)

24
34
41
48
60
68
57
65
76
88
83
80
77
79
81
81
67
52
35

Medium Clouds (% Sky Obscured)

34
43
46
58
61
59
57
48
39
34
34
37
40
39
38
45
30
16
0

High Clouds (% Sky Obscured)

43
47
46
67
67
68
57
51
26
2
1
1
0
0
1
2
2
2
3

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

1
21
32
40
69
93
95
95
87
57
63
54
32
44
51
56
32
22
12

Precipitation Amount (mm)

0
0
0
0
0.4
0.8
0.9
0.7
0.6
0
0.2
0
0
0
0
0.5
0
0
0

Wind Speed/Direction (mph)

16
15
17
16
18
17
18
18
17
17
17
14
11
8
8
7
7
6
5

Chance of Frost

Temperature (°C)

7
7
9
11
13
14
14
15
15
15
15
14
13
12
12
12
12
12
11

Feels Like (°C)

5
5
6
7
8
9
10
10
13
13
12
12
12
13
10
10
11
11
11

Dew Point (°C)

5
6
7
8
9
9
10
10
10
10
11
11
11
11
11
11
11
11
10

Relative Humidity (%)

87
90
85
81
77
74
73
70
73
74
76
82
87
93
92
93
95
93
91

Pressure (mb)

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

Ozone (du)

304
304
304
304
304
304
303
303
302
301
301
300
299
298
298
298
298
298
298

Forecast for Bigbury on Sea, Devon, United Kingdom (50.28,-3.89)

Generated: 17/09/25 06:18:56. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+1.00