Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 30

Waxing Crescent 45%

14:57

21:45

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

Sun - Rise: 06:16, Set: 20:02, Transit: 13:08. Moon - Rise: 14:57, Set: 21:45. Civil Dark: 20:39 - 05:39. Nautical Dark: 21:25 - 04:53. Astro Dark: 22:17 - 04:01

Total Clouds (% Sky Obscured)

100
100
90
92
94
100
100
98
76
60
34
42
49
42
54
54
52
48
54
70
46
37
48
64

Low Clouds (% Sky Obscured)

51
77
69
83
90
88
100
93
65
42
34
42
49
42
54
54
52
48
54
70
46
37
48
61

Medium Clouds (% Sky Obscured)

99
94
84
92
94
100
100
73
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

90
45
90
92
35
1
2
3
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
9
9
5
9
9
8
1
2
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

Precipitation Type

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

Precipitation Probability (%)

0
0
10
45
72
93
66
36
62
75
8
1
2
1
1
1
0
0
0
0
1
1
5
31

Precipitation Amount (mm)

0
0
0
0
0.3
0.7
0.2
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
13
12
12
16
18
19
17
18
18
16
17
16
15
16
15
16
16
17
19
20
21
21

Chance of Frost

Temperature (°C)

19
18
18
18
17
16
16
16
17
16
16
14
14
13
12
12
11
11
11
12
13
14
15
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
61
57
55
73
78
89
93
95
96
87
90
92
93
93
96
95
93
93
92
86
79
68
58

Pressure (mb)

1000
999
998
997
997
996
994
994
994
994
995
996
996
996
997
997
997
997
997
998
998
998
999
999

Ozone (du)

300
299
300
298
295
296
295
298
299
300
304
307
310
313
315
317
319
319
322
322
323
323
325
325

Sunday 31

First Quarter 55%

16:10

22:15

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
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

Sun - Rise: 06:18, Set: 19:59, Transit: 13:08. Moon - Rise: 16:10, Set: 22:15. Civil Dark: 20:36 - 05:41. Nautical Dark: 21:22 - 04:55. Astro Dark: 22:14 - 04:04

Total Clouds (% Sky Obscured)

63
55
57
54
68
55
27
32
42
44
100
95
95
89
76
72
71
75
73
79
100
94
100
100

Low Clouds (% Sky Obscured)

62
49
49
39
60
43
27
32
42
44
60
60
60
64
63
60
56
60
59
64
67
67
100
64

Medium Clouds (% Sky Obscured)

16
2
27
0
0
2
0
2
6
0
0
0
1
11
20
52
52
38
63
69
100
68
57
48

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
75
75
71
54
49
48
42
45
43
37
7
7
56
88

ISS Passover

Visibility (miles)

9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
3
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

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

Precipitation Probability (%)

47
35
17
7
3
2
0
0
0
0
0
0
0
0
0
3
4
8
37
83
67
17
47
62

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8
0.6
0
0
0.3

Wind Speed/Direction (mph)

21
21
21
21
19
19
18
17
16
15
15
16
17
16
16
16
15
15
14
14
15
17
18
18

Chance of Frost

Temperature (°C)

17
18
18
19
18
18
18
17
16
15
14
13
13
13
12
12
13
12
12
12
13
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
63
62
45
49
49
55
59
61
64
71
76
79
83
90
89
83
86
86
83
92
92
90
86

Pressure (mb)

999
998
998
998
998
998
997
998
998
998
998
998
998
998
997
997
997
996
996
996
996
996
996
996

Ozone (du)

324
324
326
328
331
333
333
333
333
337
340
340
338
336
334
331
331
333
331
331
332
332
328
326

Monday 1

Waxing Gibbous 65%

17:14

23:00

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
06 Bad
07 Bad
08 Bad
09 OK
10 Bad
11 Bad

Sun - Rise: 06:20, Set: 19:57, Transit: 13:07. Moon - Rise: 17:14, Set: 23:00. Civil Dark: 20:34 - 05:43. Nautical Dark: 21:19 - 04:58. Astro Dark: 22:10 - 04:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
100
100
95
97
87
100
100
100
97
61
74
63
57
48
39
49
68

Low Clouds (% Sky Obscured)

66
93
55
86
61
62
61
57
70
75
79
81
82
89
82
58
61
62
63
57
48
39
46
44

Medium Clouds (% Sky Obscured)

52
100
100
80
49
44
8
12
7
33
37
31
3
100
100
50
3
17
0
0
0
2
18
51

High Clouds (% Sky Obscured)

100
100
100
100
52
85
42
46
54
40
35
2
92
100
89
6
10
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
9
8
5
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

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

Precipitation Probability (%)

62
68
89
78
82
65
52
16
29
14
8
8
6
5
6
3
4
4
3
2
2
2
3
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
72
67
72
83
86
83
84
90
90
93
93
93
96
95
96
95
96
96
96
93
84
74
64

Pressure (mb)

996
995
995
995
996
996
996
997
997
998
998
998
999
999
999
999
999
1000
1000
1000
1000
1001
1001
1000

Ozone (du)

327
327
328
328
326
324
325
326
324
323
322
322
320
317
317
320
322
326
327
328
328
324
321
322

Tuesday 2

Waxing Gibbous 74%

18:04

00:03

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:21, Set: 19:54, Transit: 13:07. Moon - Rise: 18:04, Set: 00:03. Civil Dark: 20:31 - 05:45. Nautical Dark: 21:16 - 05:00. Astro Dark: 22:07 - 04:10

Total Clouds (% Sky Obscured)

88
86
76
71
80
90
100
84
80
66
90
95
94
96
98
100
100
82
83
58
52
55
55
53

Low Clouds (% Sky Obscured)

43
40
32
24
28
35
42
34
33
36
25
21
28
24
32
39
44
43
48
49
52
55
55
53

Medium Clouds (% Sky Obscured)

79
72
62
48
69
71
77
58
51
46
37
34
48
72
63
84
86
82
83
58
52
55
49
35

High Clouds (% Sky Obscured)

0
8
17
27
49
70
92
84
80
66
82
67
50
66
84
100
100
81
76
58
49
32
22
11

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

13
16
15
18
17
19
16
13
5
2
5
5
1
16
20
22
48
54
54
67
80
93
74
60

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
11
10
9
7
6
5
4
3
2
2
3
3
3
3
3
3
3
3
4
4
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
52
57
66
60
73
82
85
89
92
92
92
92
92
93
93
92
93
93
92
86
79
73
66

Pressure (mb)

1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1001
1001
1001
1001
1002

Ozone (du)

323
323
322
322
325
326
328
331
331
330
329
329
328
327
327
326
327
327
328
330
329
327
326
325

Wednesday 3

Waxing Gibbous 83%

18:38

01:20

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:23, Set: 19:52, Transit: 13:07. Moon - Rise: 18:38, Set: 01:20. Civil Dark: 20:29 - 05:47. Nautical Dark: 21:14 - 05:02. Astro Dark: 22:04 - 04:12

Total Clouds (% Sky Obscured)

65
85
100
100
98
44
91
91
100
100
99
99
98
99
99
100
97
88
80
71
64
63
73
78

Low Clouds (% Sky Obscured)

65
78
81
71
46
44
70
67
66
65
65
68
68
75
83
90
84
79
73
70
64
63
61
64

Medium Clouds (% Sky Obscured)

30
19
13
16
22
24
33
47
52
99
97
95
91
83
75
67
80
73
68
54
36
24
32
40

High Clouds (% Sky Obscured)

2
21
41
93
95
44
81
58
36
15
17
15
12
39
67
95
93
88
80
70
54
38
32
26

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

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

Precipitation Probability (%)

50
43
34
38
39
41
49
41
31
26
21
14
13
37
44
50
63
64
59
53
42
23
24
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
7
7
7
7
7
6
4
4
3
3
3
2
2
2
3
3
4
5
7
8
11
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
55
52
52
50
51
55
63
73
71
72
72
70
70
71
72
74
77
79
83
75
68
60
57

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1002
1002
1002
1002
1001
1001
1001
1001
1001
1002
1002
1002

Ozone (du)

321
320
319
318
316
315
314
314
316
317
318
318
319
318
318
318
318
318
318
318
319
320
321
323

Thursday 4

Waxing Gibbous 90%

19:02

02:46

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:25, Set: 19:50, Transit: 13:06. Moon - Rise: 19:02, Set: 02:46. Civil Dark: 20:26 - 05:49. Nautical Dark: 21:11 - 05:04. Astro Dark: 22:00 - 04:15

Total Clouds (% Sky Obscured)

84
86
88
90
81
73
62
63
65
66
71
75
80
78
76
74
82
89
95
96
98
99
99
98

Low Clouds (% Sky Obscured)

65
64
63
63
61
58
54
53
51
49
53
56
63
66
66
67
65
59
57
48
40
32
47
59

Medium Clouds (% Sky Obscured)

45
57
71
80
70
61
50
35
20
7
8
9
25
20
10
0
0
0
0
27
55
65
60
62

High Clouds (% Sky Obscured)

25
25
25
25
20
18
12
17
26
34
47
65
80
60
35
10
38
67
95
94
93
93
84
78

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 (%)

12
15
19
20
14
12
8
16
15
1
5
5
3
11
8
5
10
9
3
9
8
1
4
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
16
16
17
18
17
16
16
14
12
11
11
11
11
11
11
11
11
10
10
12
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
17
16
16
15
16
16
11
11
11
11
11
11
10
10
10
10
10
9
7
7
7
8

Dew Point (°C)

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

Relative Humidity (%)

54
50
51
52
52
60
68
76
82
89
96
96
95
95
95
95
95
95
93
91
81
72
64
60

Pressure (mb)

1002
1002
1003
1003
1004
1004
1005
1006
1007
1008
1008
1009
1009
1010
1010
1011
1011
1011
1012
1012
1012
1013
1013
1013

Ozone (du)

325
326
327
327
327
331
334
337
332
326
321
318
314
311
309
307
305
303
300
298
297
296
294
293

Friday 5

Waxing Gibbous 96%

19:18

04:15

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
06 Bad

Sun - Rise: 06:27, Set: 19:47, Transit: 13:06. Moon - Rise: 19:18, Set: 04:15. Civil Dark: 20:23 - 05:50. Nautical Dark: 21:08 - 05:06. Astro Dark: 21:57 - 04:17

Total Clouds (% Sky Obscured)

98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98

Low Clouds (% Sky Obscured)

72
76
77
78
81
87
93
91
89
87
91
95
100
100
100
100
98
96
95

Medium Clouds (% Sky Obscured)

64
76
89
100
95
90
85
87
89
91
90
90
89
87
85
83
79
71
63

High Clouds (% Sky Obscured)

65
40
35
25
50
73
100
100
99
99
97
95
92
96
98
100
82
63
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
0

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
None
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

Precipitation Probability (%)

2
15
24
33
37
41
45
47
53
59
78
86
94
82
79
95
95
95
95

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
16
16
16
16
17
17
18
19
21
21
21
21
18
16
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
12
12
11
11
12
12
11
12
12
12
12
11
10
11
11
11
11

Dew Point (°C)

6
6
6
6
6
7
8
8
9
10
11
12
12
13
13
14
15
15
15

Relative Humidity (%)

56
53
52
49
47
51
55
60
64
69
75
79
84
89
90
93
95
96
96

Pressure (mb)

1012
1012
1012
1011
1010
1010
1009
1009
1008
1008
1007
1006
1006
1005
1005
1005
1004
1005
1005

Ozone (du)

291
289
289
288
288
287
286
285
285
285
286
285
285
284
284
283
283
284
284

Forecast for Hebden Bridge, Calderdale, United Kingdom (53.74,-2.01)

Generated: 30/08/25 14:04:21. Forecast: 30/08/25 to 05/09/25. Timezone: UTC+1.00