Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 30

Waxing Crescent 45%

14:57

21:45

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
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 OK
23 Bad

Sun - Rise: 06:14, Set: 20:02, Transit: 13:08. Moon - Rise: 14:57, Set: 21:45. Civil Dark: 20:39 - 05:37. Nautical Dark: 21:25 - 04:51. Astro Dark: 22:17 - 03:59

Total Clouds (% Sky Obscured)

63
87
87
49
42
74
67
54
80
48
56
75
100
100
90
92
94
100
100
98
76
60
34
42

Low Clouds (% Sky Obscured)

78
68
71
74
88
90
88
90
50
35
28
54
51
77
69
83
90
88
100
93
65
42
34
42

Medium Clouds (% Sky Obscured)

3
13
6
0
0
0
0
0
4
45
42
44
99
94
84
92
94
100
100
73
0
2
0
0

High Clouds (% Sky Obscured)

0
0
0
3
1
2
4
15
36
100
65
99
90
45
90
92
35
1
2
3
4
2
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
5
9
9
8
1
2
9
9

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
45
72
93
66
36
62
75
8
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
7
8
8
6
7
7
9
11
12
12
13
13
12
12
16
18
19
17
18
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
84
86
89
90
91
91
90
84
75
69
61
58
61
57
55
73
78
89
93
95
96
87
90

Pressure (mb)

999
1000
1000
1000
1000
1000
1000
1001
1001
1001
1001
1000
1000
999
998
997
997
996
994
994
994
994
995
996

Ozone (du)

333
329
322
318
313
310
307
307
304
303
302
302
300
299
300
298
295
296
295
298
299
300
304
307

Sunday 31

First Quarter 55%

16:10

22:15

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

Sun - Rise: 06:16, Set: 19:59, Transit: 13:08. Moon - Rise: 16:10, Set: 22:15. Civil Dark: 20:36 - 05:39. Nautical Dark: 21:22 - 04:53. Astro Dark: 22:14 - 04:01

Total Clouds (% Sky Obscured)

49
42
54
54
52
48
54
70
46
37
48
64
63
55
57
54
68
55
27
32
42
44
100
95

Low Clouds (% Sky Obscured)

49
42
54
54
52
48
54
70
46
37
48
61
62
49
49
39
60
43
27
32
42
44
60
60

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
16
2
27
0
0
2
0
2
6
0
0
0

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
4
75
75

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

2
1
1
1
0
0
0
0
1
1
5
31
47
35
17
7
3
2
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
16
15
16
15
16
16
17
19
20
21
21
21
21
21
21
19
19
18
17
16
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
96
95
93
93
92
86
79
68
58
65
63
62
45
49
49
55
59
61
64
71
76

Pressure (mb)

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

Ozone (du)

310
313
315
317
319
319
322
322
323
323
325
325
324
324
326
328
331
333
333
333
333
337
340
340

Monday 1

Waxing Gibbous 65%

17:14

23:00

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
23 Bad

Sun - Rise: 06:18, Set: 19:57, Transit: 13:07. Moon - Rise: 17:14, Set: 23:00. Civil Dark: 20:34 - 05:41. Nautical Dark: 21:19 - 04:55. Astro Dark: 22:10 - 04:04

Total Clouds (% Sky Obscured)

95
89
76
72
71
75
73
79
100
94
100
100
100
100
100
100
100
99
98
100
100
95
97
87

Low Clouds (% Sky Obscured)

60
64
63
60
56
60
59
64
67
67
100
64
66
93
55
86
61
62
61
57
70
75
79
81

Medium Clouds (% Sky Obscured)

1
11
20
52
52
38
63
69
100
68
57
48
52
100
100
80
49
44
8
12
7
33
37
31

High Clouds (% Sky Obscured)

71
54
49
48
42
45
43
37
7
7
56
88
100
100
100
100
52
85
42
46
54
40
35
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
3
9
9
9
8
9
9
8
5
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
Light Rain
Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
3
4
8
37
83
67
17
47
62
62
68
89
78
82
65
52
16
29
14
8
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.8
0.6
0
0
0.3
0.2
0.2
0.5
0.5
0.5
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
83
90
89
83
86
86
83
92
92
90
86
83
72
67
72
83
86
83
84
90
90
93
93

Pressure (mb)

998
998
997
997
997
996
996
996
996
996
996
996
996
995
995
995
996
996
996
997
997
998
998
998

Ozone (du)

338
336
334
331
331
333
331
331
332
332
328
326
327
327
328
328
326
324
325
326
324
323
322
322

Tuesday 2

Waxing Gibbous 74%

18:04

00:03

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
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

Sun - Rise: 06:20, Set: 19:54, Transit: 13:07. Moon - Rise: 18:04, Set: 00:03. Civil Dark: 20:31 - 05:43. Nautical Dark: 21:16 - 04:58. Astro Dark: 22:07 - 04:07

Total Clouds (% Sky Obscured)

100
100
100
97
61
74
63
57
48
39
49
68
88
86
76
71
80
90
100
84
80
66
90
95

Low Clouds (% Sky Obscured)

82
89
82
58
61
62
63
57
48
39
46
44
43
40
32
24
28
35
42
34
33
36
25
21

Medium Clouds (% Sky Obscured)

3
100
100
50
3
17
0
0
0
2
18
51
79
72
62
48
69
71
77
58
51
46
37
34

High Clouds (% Sky Obscured)

92
100
89
6
10
1
0
0
0
0
0
0
0
8
17
27
49
70
92
84
80
66
82
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
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 (%)

6
5
6
3
4
4
3
2
2
2
3
4
13
16
15
18
17
19
16
13
5
2
5
5

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)

13
13
11
11
10
9
9
8
9
10
11
12
12
12
11
10
9
7
6
5
4
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
95
96
95
96
96
96
93
84
74
64
57
52
57
66
60
73
82
85
89
92
92
92

Pressure (mb)

999
999
999
999
999
1000
1000
1000
1000
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

320
317
317
320
322
326
327
328
328
324
321
322
323
323
322
322
325
326
328
331
331
330
329
329

Wednesday 3

Waxing Gibbous 83%

18:38

00:03

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
23 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: 21:14 - 05:00. Astro Dark: 22:04 - 04:10

Total Clouds (% Sky Obscured)

94
96
98
100
100
82
83
58
52
55
55
53
65
85
100
100
98
44
91
91
100
100
99
99

Low Clouds (% Sky Obscured)

28
24
32
39
44
43
48
49
52
55
55
53
65
78
81
71
46
44
70
67
66
65
65
68

Medium Clouds (% Sky Obscured)

48
72
63
84
86
82
83
58
52
55
49
35
30
19
13
16
22
24
33
47
52
99
97
95

High Clouds (% Sky Obscured)

50
66
84
100
100
81
76
58
49
32
22
11
2
21
41
93
95
44
81
58
36
15
17
15

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

Precipitation Probability (%)

1
16
20
22
48
54
54
67
80
93
74
60
50
43
34
38
39
41
49
41
31
26
21
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
93
93
92
93
93
92
86
79
73
66
59
55
52
52
50
51
55
63
73
71
72
72

Pressure (mb)

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

Ozone (du)

328
327
327
326
327
327
328
330
329
327
326
325
321
320
319
318
316
315
314
314
316
317
318
318

Thursday 4

Waxing Gibbous 90%

19:02

01:20

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
23 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: 21:11 - 05:02. Astro Dark: 22:00 - 04:12

Total Clouds (% Sky Obscured)

98
99
99
100
97
88
80
71
64
63
73
78
84
86
88
90
81
73
62
63
65
66
71
75

Low Clouds (% Sky Obscured)

68
75
83
90
84
79
73
70
64
63
61
64
65
64
63
63
61
58
54
53
51
49
53
56

Medium Clouds (% Sky Obscured)

91
83
75
67
80
73
68
54
36
24
32
40
45
57
71
80
70
61
50
35
20
7
8
9

High Clouds (% Sky Obscured)

12
39
67
95
93
88
80
70
54
38
32
26
25
25
25
25
20
18
12
17
26
34
47
65

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
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 (%)

13
37
44
50
63
64
59
53
42
23
24
21
12
15
19
20
14
12
8
16
15
1
5
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
2
2
2
3
3
4
5
7
8
11
13
15
16
16
17
18
17
16
16
14
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
71
72
74
77
79
83
75
68
60
57
54
50
51
52
52
60
68
76
82
89
96
96

Pressure (mb)

1002
1002
1002
1002
1001
1001
1001
1001
1001
1002
1002
1002
1002
1002
1003
1003
1004
1004
1005
1006
1007
1008
1008
1009

Ozone (du)

319
318
318
318
318
318
318
318
319
320
321
323
325
326
327
327
327
331
334
337
332
326
321
318

Friday 5

Waxing Gibbous 96%

19:18

02:46

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
23 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: 21:08 - 05:04. Astro Dark: 21:57 - 04:15

Total Clouds (% Sky Obscured)

80
78
76
74
82
89
95
96
98
99
99
98
98
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
66
66
67
65
59
57
48
40
32
47
59
72
76
77
78
81
87
93
91
89
87
91
95

Medium Clouds (% Sky Obscured)

25
20
10
0
0
0
0
27
55
65
60
62
64
76
89
100
95
90
85
87
89
91
90
90

High Clouds (% Sky Obscured)

80
60
35
10
38
67
95
94
93
93
84
78
65
40
35
25
50
73
100
100
99
99
97
95

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

3
11
8
5
10
9
3
9
8
1
4
3
2
15
24
33
37
41
45
47
53
59
78
86

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5

Wind Speed/Direction (mph)

11
11
11
11
11
11
10
10
12
13
14
15
16
16
16
16
16
16
17
17
18
19
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
95
95
93
91
81
72
64
60
56
53
52
49
47
51
55
60
64
69
75
79

Pressure (mb)

1009
1010
1010
1011
1011
1011
1012
1012
1012
1013
1013
1013
1012
1012
1012
1011
1010
1010
1009
1009
1008
1008
1007
1006

Ozone (du)

314
311
309
307
305
303
300
298
297
296
294
293
291
289
289
288
288
287
286
285
285
285
286
285

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