Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 30

Waxing Crescent 55%

16:10

21:45

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 OK
19 OK
20 OK

Sun - Rise: 06:16, Set: 19:59, Transit: 13:08. Moon - Rise: 16:10, Set: 21:45. Civil Dark: 20:36 - 05:39. Nautical Dark: 21:25 - 04:53. Astro Dark: 22:17 - 04:01

Total Clouds (% Sky Obscured)

90
85
61
53
35
44
54
51
49
53
82
56
46
49
89
75
68
35
44
59
58
32
35
38

Low Clouds (% Sky Obscured)

65
49
50
44
35
44
54
51
49
53
79
53
46
49
41
61
62
31
30
45
44
32
35
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
48
27
2
8
1
2
2
3
10
8

High Clouds (% Sky Obscured)

2
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)

3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
9
9

Fog (%)

1
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

Light Rain
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 (%)

84
8
2
2
1
1
0
0
0
0
0
1
1
6
26
46
42
9
3
15
19
8
0
0

Precipitation Amount (mm)

0.6
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)

17
15
18
17
16
16
15
15
14
15
16
18
19
20
20
22
22
22
21
20
20
19
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
14
13
13
12
12
11
11
11
11
10
11
10
10
9
10
10
11
6
7
8
10
10
9

Relative Humidity (%)

95
89
92
93
93
93
95
95
95
93
90
86
78
68
61
63
62
63
43
48
50
62
62
64

Pressure (mb)

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

Ozone (du)

299
301
304
307
312
317
318
321
320
321
323
323
324
325
325
325
326
328
329
330
331
334
335
335

Sunday 31

First Quarter 65%

17:14

22:15

21 OK
22 OK
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

Sun - Rise: 06:18, Set: 19:57, Transit: 13:07. Moon - Rise: 17:14, Set: 22:15. Civil Dark: 20:34 - 05:41. Nautical Dark: 21:22 - 04:55. Astro Dark: 22:14 - 04:04

Total Clouds (% Sky Obscured)

24
27
80
80
100
77
80
93
77
80
75
83
99
100
100
100
100
98
97
98
100
96
100
95

Low Clouds (% Sky Obscured)

24
27
50
57
54
58
61
59
64
64
65
78
97
62
79
68
72
67
62
79
61
59
61
73

Medium Clouds (% Sky Obscured)

0
0
32
61
82
58
55
83
39
60
34
12
27
95
94
100
98
71
62
37
33
32
2
41

High Clouds (% Sky Obscured)

0
0
70
65
79
48
47
48
45
46
9
35
25
100
100
100
65
55
26
60
60
65
94
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
6
7
5
9
7
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
3
5
7
22
6
2
7
33
70
71
76
81
64
81
79
79
70
44
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.5
0.6
0.2
0.6
0.6
0.6
0.4
0
0

Wind Speed/Direction (mph)

15
16
16
17
17
17
17
17
16
17
16
17
19
20
19
18
17
16
16
16
14
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
68
72
77
79
83
84
83
80
84
86
80
75
75
86
83
87
77
74
68
70
79
83
90

Pressure (mb)

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

Ozone (du)

336
337
341
341
338
334
333
332
332
333
334
331
330
329
328
327
329
330
329
328
326
325
322
320

Monday 1

Waxing Gibbous 74%

18:04

23:00

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
20 Bad

Sun - Rise: 06:20, Set: 19:54, Transit: 13:07. Moon - Rise: 18:04, Set: 23:00. Civil Dark: 20:31 - 05:43. Nautical Dark: 21:19 - 04:58. Astro Dark: 22:10 - 04:07

Total Clouds (% Sky Obscured)

64
89
84
68
84
63
67
71
68
69
70
60
95
91
94
97
92
99
100
100
100
95
88
84

Low Clouds (% Sky Obscured)

63
81
72
63
68
63
67
71
68
69
70
60
57
67
37
64
90
65
81
67
53
60
65
71

Medium Clouds (% Sky Obscured)

45
45
65
20
27
2
2
3
0
0
0
0
29
33
47
86
79
79
93
71
52
57
67
65

High Clouds (% Sky Obscured)

39
77
66
3
3
0
0
0
1
0
0
0
0
0
0
1
8
0
0
0
76
85
88
84

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
2
9
6
2
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
Light Rain
None
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

22
9
10
16
3
3
2
1
0
0
0
0
1
3
2
10
17
14
49
84
50
84
61
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0
0.4
0.2
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
96
96
96
96
95
96
98
96
95
95
92
84
75
66
57
52
54
50
54
54
54
65
74

Pressure (mb)

1000
1000
1000
1000
1001
1001
1001
1001
1001
1002
1002
1002
1002
1003
1003
1002
1002
1002
1002
1002
1002
1001
1001
1001

Ozone (du)

320
323
324
324
323
322
323
322
321
322
323
322
321
321
323
324
322
320
320
323
325
325
319
316

Tuesday 2

Waxing Gibbous 74%

18:38

00:03

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
20 Bad

Sun - Rise: 06:21, Set: 19:52, Transit: 13:07. Moon - Rise: 18:38, Set: 00:03. Civil Dark: 20:29 - 05:45. Nautical Dark: 21:16 - 05:00. Astro Dark: 22:07 - 04:10

Total Clouds (% Sky Obscured)

100
99
98
96
96
93
93
89
87
83
83
85
86
87
92
93
64
51
95
91
95
100
100
100

Low Clouds (% Sky Obscured)

76
72
67
62
66
70
75
79
80
80
75
72
69
76
60
83
54
51
63
55
18
0
3
9

Medium Clouds (% Sky Obscured)

60
49
40
50
59
64
77
65
54
33
8
14
18
11
6
0
0
0
0
2
10
29
45
67

High Clouds (% Sky Obscured)

100
94
89
83
62
40
14
8
1
0
0
0
0
3
10
0
34
51
95
91
95
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
9
9
9
9
9
9
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

Light Rain
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

Precipitation Probability (%)

95
83
63
39
36
25
36
46
36
7
15
35
17
17
28
24
11
2
1
10
3
0
7
25

Precipitation Amount (mm)

0.8
0.6
0.3
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)

6
5
5
5
5
6
7
8
9
11
13
13
14
15
16
17
17
16
15
14
11
9
7
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
89
90
90
92
92
93
95
98
96
86
86
92
92
87
78
78
59
54
59
69
66
67
73

Pressure (mb)

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

Ozone (du)

316
313
310
306
305
303
304
304
306
309
311
310
308
307
307
305
303
300
300
300
299
298
298
297

Wednesday 3

Waxing Gibbous 83%

19:02

01:20

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
20 Bad

Sun - Rise: 06:23, Set: 19:50, Transit: 13:06. Moon - Rise: 19:02, Set: 01:20. Civil Dark: 20:26 - 05:47. Nautical Dark: 21:14 - 05:02. Astro Dark: 22:04 - 04:12

Total Clouds (% Sky Obscured)

99
100
100
100
99
99
95
81
35
52
88
86
78
84
91
80
81
83
85
85
76
75
73
75

Low Clouds (% Sky Obscured)

17
32
70
88
90
91
90
75
35
52
72
64
58
60
63
63
70
77
83
76
69
62
65
69

Medium Clouds (% Sky Obscured)

96
99
99
33
49
12
15
40
10
4
5
16
4
2
8
9
11
12
13
23
29
37
44
55

High Clouds (% Sky Obscured)

98
100
100
100
78
44
22
22
35
52
59
38
1
30
63
80
81
83
85
82
74
62
44
27

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

41
87
95
95
95
95
90
68
60
56
50
35
37
35
36
51
79
74
83
86
67
58
55
52

Precipitation Amount (mm)

0
0.5
1
1.3
0.9
0.7
0.7
0.3
0.2
0.2
0.2
0
0
0
0
0
0.4
0.3
0.4
0.6
0.3
0.3
0.2
0

Wind Speed/Direction (mph)

5
7
8
8
8
6
6
6
8
10
10
13
17
18
17
16
17
16
16
15
14
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
83
90
92
95
92
93
93
92
93
93
93
93
92
89
74
66
60
54
61
68
76
82

Pressure (mb)

1002
1002
1001
1001
1000
999
999
998
998
998
998
998
998
999
999
1000
1000
1001
1001
1001
1002
1002
1003
1003

Ozone (du)

297
297
299
302
308
313
315
320
323
325
323
324
325
326
326
329
330
331
332
332
334
335
336
335

Thursday 4

Waxing Gibbous 90%

19:18

02:46

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
20 Bad

Sun - Rise: 06:25, Set: 19:47, Transit: 13:06. Moon - Rise: 19:18, Set: 02:46. Civil Dark: 20:23 - 05:49. Nautical Dark: 21:11 - 05:04. Astro Dark: 22:00 - 04:15

Total Clouds (% Sky Obscured)

80
78
76
74
70
69
70
73
76
78
74
69
65
72
79
86
88
91
95
95
95
94
92
90

Low Clouds (% Sky Obscured)

72
61
52
41
52
62
70
72
73
71
69
67
65
62
59
54
52
50
48
41
33
25
29
35

Medium Clouds (% Sky Obscured)

67
63
65
59
57
57
52
60
68
73
49
23
0
2
3
10
11
11
14
32
56
70
67
64

High Clouds (% Sky Obscured)

13
16
18
25
19
14
8
7
8
7
5
4
4
16
30
44
60
73
86
88
94
94
91
86

ISS Passover

Visibility (miles)

7
6
5
4
3
4
5
6
7
8
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
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

60
70
68
65
66
62
59
58
47
32
31
25
16
21
18
16
16
12
7
6
4
6
12
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
93
93
93
93
95
95
93
95
95
93
90
87
86
84
82
79
72
65
59
65
72
76
80

Pressure (mb)

1004
1005
1005
1006
1007
1007
1008
1009
1009
1010
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

335
334
335
336
336
338
339
341
339
337
335
335
335
334
327
320
313
310
308
305
306
306
306
305

Friday 5

Waxing Gibbous 96%

19:30

04:15

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

Sun - Rise: 06:27, Set: 19:45, Transit: 13:06. Moon - Rise: 19:30, Set: 04:15. Civil Dark: 20:21 - 05:50. Nautical Dark: 21:08 - 05:06. Astro Dark: 21:57 - 04:17

Total Clouds (% Sky Obscured)

88
88
85
81
77
76
75
83
90
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
50
57
63
76
76
75
83
90
85
78
72
75
74
78
77
86
88
88
92
96
100

Medium Clouds (% Sky Obscured)

46
42
42
35
35
39
43
42
36
35
37
40
42
61
81
100
100
100
100
87
75
63

High Clouds (% Sky Obscured)

81
58
53
55
71
74
75
83
90
100
100
100
100
100
100
100
100
100
100
95
90
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6

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

Precipitation Probability (%)

15
28
31
27
41
56
73
69
60
56
58
63
63
66
77
95
95
92
81
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.4
0.2
0
0.2
0.3
0.2
0.3
0.4
0.9
0.7
0.5
0.4
0.8
1.1
1.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
90
90
90
88
90
88
88
87
87
80
74
69
68
67
67
69
73
75
79
83

Pressure (mb)

1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1009
1009

Ozone (du)

304
303
302
301
300
299
297
296
295
295
294
293
293
292
292
292
292
292
292
291
291
291

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

Generated: 30/08/25 21:35:19. Forecast: 30/08/25 to 05/09/25. Timezone: UTC+1.00