Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 30%

23:58

17:36

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:54, Set: 19:27, Transit: 13:11. Moon - Rise: 23:58, Set: 17:36. Civil Dark: 19:59 - 06:22. Nautical Dark: 20:38 - 05:43. Astro Dark: 21:19 - 05:02

Total Clouds (% Sky Obscured)

84
75
69
84
64
100
100
100
93
99
99
100
100
100
100
100
99
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

53
44
53
56
55
60
50
53
53
59
56
55
57
58
48
58
73
90
54
62
50
59
92
84

Medium Clouds (% Sky Obscured)

0
0
0
2
1
1
14
29
83
74
81
47
52
53
44
92
47
77
92
98
81
100
98
96

High Clouds (% Sky Obscured)

0
25
69
68
64
100
100
100
92
99
99
100
100
93
100
100
96
100
100
100
100
100
100
45

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 (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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

Precipitation Probability (%)

0
0
0
5
7
7
16
7
7
19
11
17
22
16
17
17
19
21
32
44
53
68
63
81

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
18
17
16
15
14
13
13
11
10
10
13
13
13
13
13
12
10
10
9
8
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
80
80
80
80
80
79
83
83
80
74
69
66
61
62
66
72
70
78
89
89
92
95

Pressure (mb)

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

Ozone (du)

302
305
304
300
297
295
293
292
289
286
285
282
280
278
277
275
273
270
270
267
265
264
262
261

Tuesday 16

Waning Crescent 20%

01:17

18:04

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:56, Set: 19:25, Transit: 13:10. Moon - Rise: 01:17, Set: 18:04. Civil Dark: 19:57 - 06:23. Nautical Dark: 20:36 - 05:45. Astro Dark: 21:17 - 05:04

Total Clouds (% Sky Obscured)

100
100
96
95
91
91
94
96
100
100
100
96
73
72
97
70
85
86
84
74
83
85
88
98

Low Clouds (% Sky Obscured)

98
100
92
91
90
86
85
87
100
100
100
92
70
68
76
52
72
72
65
50
69
62
67
60

Medium Clouds (% Sky Obscured)

100
93
71
35
23
31
58
65
73
83
39
16
2
1
43
18
18
24
32
37
43
48
46
71

High Clouds (% Sky Obscured)

100
91
38
19
0
0
30
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
6
4
8
9
9
9
7
7
6
6
6
6
6
6
6
6
6
6
3
1
1
2
2

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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
None
None

Precipitation Probability (%)

95
71
47
33
29
21
2
6
5
17
13
11
20
13
12
6
5
8
6
15
4
15
6
4

Precipitation Amount (mm)

0.7
0.3
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)

12
15
17
19
20
20
20
19
19
18
17
17
17
17
17
17
16
15
15
13
12
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
96
93
93
95
95
95
95
95
95
96
96
95
95
95
95
95
93
95
96
98
96
96

Pressure (mb)

1018
1017
1017
1016
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

259
259
257
257
256
256
256
256
257
257
259
260
262
265
262
262
261
260
259
260
261
262
262
262

Wednesday 17

Waning Crescent 12%

02:39

18:24

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:57, Set: 19:22, Transit: 13:10. Moon - Rise: 02:39, Set: 18:24. Civil Dark: 19:55 - 06:25. Nautical Dark: 20:34 - 05:46. Astro Dark: 21:14 - 05:06

Total Clouds (% Sky Obscured)

90
96
100
99
92
89
97
91
82
88
88
87
90
87
84
94
95
93
96
100
99
97
97
96

Low Clouds (% Sky Obscured)

54
66
100
97
80
80
97
90
79
85
84
82
84
80
77
81
71
75
83
79
82
84
86
85

Medium Clouds (% Sky Obscured)

43
52
34
31
10
4
0
0
0
0
0
0
0
3
4
30
39
18
23
24
20
11
17
3

High Clouds (% Sky Obscured)

0
2
20
3
3
0
0
0
1
0
0
1
4
5
9
52
47
57
81
100
96
68
77
65

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
3
4
0
3
6
9
5
3
3
4
6
6
6
1
3
3

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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 (%)

4
3
4
15
13
16
6
8
9
2
0
1
1
10
1
11
0
0
1
0
1
2
3
4

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)

10
9
9
8
8
9
9
10
11
12
14
15
16
17
16
16
16
14
13
12
10
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
100
96
96
96
93
92
88
88
88
88
89
89
92
95
96
96
98

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

260
260
261
262
264
265
266
266
267
267
268
269
268
267
265
265
266
267
268
267
268
267
266
267

Thursday 18

Waning Crescent 6%

03:59

18:39

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:59, Set: 19:20, Transit: 13:10. Moon - Rise: 03:59, Set: 18:39. Civil Dark: 19:53 - 06:27. Nautical Dark: 20:31 - 05:48. Astro Dark: 21:12 - 05:08

Total Clouds (% Sky Obscured)

98
94
88
93
99
100
100
100
95
90
83
74
65
64
72
82
85
84
74
95
100
100
98
100

Low Clouds (% Sky Obscured)

85
85
84
81
77
80
83
86
83
80
77
69
60
49
50
53
53
53
53
71
79
80
71
77

Medium Clouds (% Sky Obscured)

2
2
2
2
1
0
2
1
3
2
26
39
55
60
60
67
49
8
9
38
62
39
21
60

High Clouds (% Sky Obscured)

89
77
58
75
98
100
100
100
78
63
50
53
63
64
72
82
57
68
56
77
91
77
92
100

ISS Passover

Visibility (miles)

2
2
2
1
2
4
4
9
9
9
9
9
9
9
9
9
9
9
9
9
7
3
3
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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 (%)

4
4
4
3
0
2
2
2
4
6
6
5
3
0
0
0
0
0
2
3
11
13
13
7

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
100
96
98
98
96
95
95
89
83
81
78
78
78
78
77
82
89
95
96
95
92

Pressure (mb)

1019
1018
1018
1018
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1015

Ozone (du)

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

Friday 19

Waning Crescent 2%

05:16

18:52

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 OK
18 OK
19 OK
20 OK
21 Bad
22 Bad

Sun - Rise: 07:01, Set: 19:18, Transit: 13:09. Moon - Rise: 05:16, Set: 18:52. Civil Dark: 19:50 - 06:28. Nautical Dark: 20:29 - 05:50. Astro Dark: 21:09 - 05:09

Total Clouds (% Sky Obscured)

100
97
100
100
100
100
100
100
100
100
100
90
79
75
74
66
46
28
18
12
9
10
14
42

Low Clouds (% Sky Obscured)

88
80
83
74
72
76
75
75
79
73
75
70
61
53
54
53
46
28
18
12
9
10
14
42

Medium Clouds (% Sky Obscured)

56
19
26
50
45
43
78
96
98
98
100
83
73
65
47
27
0
0
0
0
1
1
1
7

High Clouds (% Sky Obscured)

100
95
100
100
100
92
85
75
58
41
20
14
19
21
47
55
40
16
18
12
9
10
14
42

ISS Passover

Visibility (miles)

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

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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 (%)

3
1
3
4
2
8
13
17
27
33
42
36
25
12
19
20
21
25
26
25
28
39
51
44

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)

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

Chance of Frost

Temperature (°C)

15
14
14
14
13
13
13
13
14
14
15
15
16
17
16
16
16
16
15
14
13
12
11
9

Feels Like (°C)

13
13
13
12
12
12
12
12
13
13
13
12
13
13
12
12
12
12
12
12
13
10
10
10

Dew Point (°C)

13
13
12
12
12
13
12
13
13
13
13
12
11
10
10
10
10
11
10
10
10
10
10
8

Relative Humidity (%)

90
89
92
90
93
95
96
96
96
93
87
80
70
64
65
67
67
69
73
79
84
87
91
95

Pressure (mb)

1015
1015
1014
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1013
1013
1013
1013
1014
1014
1014
1015

Ozone (du)

275
276
276
277
279
279
280
280
283
284
286
287
290
298
307
309
311
312
315
317
319
321
322
323

Saturday 20

Waning Crescent 0%

06:29

19:03

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:02, Set: 19:16, Transit: 13:09. Moon - Rise: 06:29, Set: 19:03. Civil Dark: 19:48 - 06:30. Nautical Dark: 20:27 - 05:51. Astro Dark: 21:07 - 05:11

Total Clouds (% Sky Obscured)

69
96
93
89
78
72
65
62
59
56
56
51
46
41
53
65
77
65
51
37
41
45
48
50

Low Clouds (% Sky Obscured)

51
49
49
52
49
51
57
62
59
56
54
46
39
31
43
55
67
57
47
37
41
45
48
50

Medium Clouds (% Sky Obscured)

13
19
18
16
9
4
2
0
0
0
0
4
9
13
13
13
13
9
4
1
1
1
1
16

High Clouds (% Sky Obscured)

69
65
43
22
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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

Precipitation Probability (%)

39
30
31
33
31
33
31
28
38
45
46
51
54
57
58
54
46
54
51
34
45
42
34
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
6
5
5
5
5
6
6
6
7
8
9
9
10
11
11
12
10
9
8
7
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
84
84
84
82
84
84
85
82
83
81
77
75
71
65
60
55
59
62
67
75
82
93

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019

Ozone (du)

322
321
320
322
324
325
327
329
332
333
334
335
336
336
337
337
337
337
338
339
339
339
339
339

Sunday 21

New Moon 1%

07:41

19:14

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

Sun - Rise: 07:04, Set: 19:13, Transit: 13:09. Moon - Rise: 07:41, Set: 19:14. Civil Dark: 19:46 - 06:31. Nautical Dark: 20:24 - 05:53. Astro Dark: 21:04 - 05:13

Total Clouds (% Sky Obscured)

51
53
54
56
58
71
81
88
88
78
83
69
59
47
57
67
81
78
75
66

Low Clouds (% Sky Obscured)

51
53
53
47
45
42
40
38
50
62
72
63
56
47
48
50
52
44
38
36

Medium Clouds (% Sky Obscured)

30
42
27
15
4
16
29
41
50
62
74
53
35
11
16
18
16
9
7
7

High Clouds (% Sky Obscured)

0
0
0
0
0
26
47
57
55
43
35
21
16
4
5
6
7
10
13
16

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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

Precipitation Probability (%)

43
41
43
40
12
27
29
11
26
30
12
23
24
17
32
42
51
48
49
40

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
5
5
5
5
4
4
4
5
5
7
7
8
9
14
13
12
12
12

Dew Point (°C)

6
6
6
5
5
5
5
5
5
6
6
7
7
7
6
7
7
7
7
8

Relative Humidity (%)

91
90
90
90
90
91
91
91
91
85
77
72
66
61
56
57
59
61
65
70

Pressure (mb)

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

Ozone (du)

339
340
341
340
340
339
339
338
338
336
335
334
333
332
331
329
328
326
325
324

Forecast for Beaumont, Plymouth, United Kingdom (50.38,-4.14)

Generated: 15/09/25 23:12:39. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+1.00