Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 30%

23:20

17:49

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: 06:43, Set: 19:19, Transit: 13:01. Moon - Rise: 23:20, Set: 17:49. Civil Dark: 19:54 - 06:07. Nautical Dark: 20:37 - 05:25. Astro Dark: 21:22 - 04:39

Total Clouds (% Sky Obscured)

91
93
95
96
100
93
70
65
60
59
82
76
89
95
100
100
93
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
93
95
92
87
75
65
65
60
59
78
76
61
65
59
54
38
49
44
44
37
38
44
46

Medium Clouds (% Sky Obscured)

37
46
55
46
62
87
11
2
2
2
31
0
0
0
0
0
70
75
59
53
49
56
82
69

High Clouds (% Sky Obscured)

2
0
0
0
15
29
1
0
0
0
0
1
35
40
50
80
84
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
2
8
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
34
55
58
95
85
28
8
5
7
8
23
11
23
7
7
7
5
4
3
1
0
0
3

Precipitation Amount (mm)

0
0
0
0.2
1.1
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
20
20
19
19
17
19
19
16
15
16
17
17
17
16
16
16
16
14
13
11
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
86
86
86
86
93
88
90
88
88
84
76
72
79
74
76
72
65
70
75
77
80
80
80

Pressure (mb)

1003
1004
1005
1005
1006
1006
1007
1009
1010
1011
1011
1012
1013
1014
1014
1015
1015
1015
1015
1015
1015
1016
1015
1015

Ozone (du)

302
303
304
307
311
301
299
298
298
296
297
297
296
295
295
291
288
287
285
282
280
277
274
272

Tuesday 16

Waning Crescent 20%

00:45

18:12

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 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:44, Set: 19:16, Transit: 13:00. Moon - Rise: 00:45, Set: 18:12. Civil Dark: 19:52 - 06:09. Nautical Dark: 20:34 - 05:27. Astro Dark: 21:19 - 04:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
69
65
67
71
72
70
67
62
60
40
74
80
68
81

Low Clouds (% Sky Obscured)

43
68
78
80
83
86
91
100
100
94
60
63
65
71
71
70
67
62
60
40
74
80
68
81

Medium Clouds (% Sky Obscured)

91
99
100
100
100
100
98
100
92
65
6
0
0
0
25
30
30
1
0
3
2
16
4
2

High Clouds (% Sky Obscured)

100
100
100
100
100
100
96
56
11
24
22
6
1
27
27
31
40
40
35
26
30
31
30
30

ISS Passover

Visibility (miles)

9
9
9
9
8
5
9
4
2
1
7
9
5
1
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
63
88
95
95
95
95
95
95
48
8
8
21
10
21
8
16
2
2
2
0
1
2
2

Precipitation Amount (mm)

0
0.2
0.5
0.9
0.7
0.9
1.7
1.4
1.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
6
6
5
5
5
7
6
6
8
10
12
14
16
17
17
16
17
16
15
16
16
16

Chance of Frost

Temperature (°C)

11
11
11
11
10
10
10
11
11
11
13
14
15
16
17
17
18
18
17
16
15
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
83
87
91
95
93
95
98
98
95
95
93
95
95
85
78
73
70
71
75
78
79
80

Pressure (mb)

1015
1015
1015
1014
1013
1012
1011
1010
1009
1008
1007
1007
1006
1006
1006
1007
1007
1007
1007
1008
1008
1009
1009
1010

Ozone (du)

270
267
265
263
261
259
259
260
261
263
265
266
267
269
270
268
266
266
265
263
260
259
258
257

Wednesday 17

Waning Crescent 12%

02:12

18:27

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: 06:46, Set: 19:14, Transit: 13:00. Moon - Rise: 02:12, Set: 18:27. Civil Dark: 19:49 - 06:11. Nautical Dark: 20:31 - 05:29. Astro Dark: 21:16 - 04:44

Total Clouds (% Sky Obscured)

86
87
70
72
65
90
91
84
100
100
100
100
100
100
100
100
95
99
99
91
92
92
87
86

Low Clouds (% Sky Obscured)

86
87
70
72
63
79
83
61
54
51
49
81
100
100
85
83
91
90
97
83
82
77
72
82

Medium Clouds (% Sky Obscured)

41
6
3
47
3
31
15
26
89
29
30
42
56
57
57
36
39
55
41
28
31
37
33
39

High Clouds (% Sky Obscured)

45
51
6
30
47
52
43
32
100
99
100
100
100
89
100
98
75
39
68
10
21
11
2
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
1
9
6
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
Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
0
0
4
9
10
57
36
80
41
14
6
6
8
20
8
17
38
22
2
4
5
6
13

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
76
79
84
83
86
84
95
96
92
93
93
89
86
83
83
80
77
76
77
81
79
81
86

Pressure (mb)

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

Ozone (du)

257
258
259
260
260
259
258
257
259
260
260
260
262
262
263
261
261
260
259
259
260
261
261
260

Thursday 18

Waning Crescent 6%

03:37

18:37

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: 06:48, Set: 19:11, Transit: 13:00. Moon - Rise: 03:37, Set: 18:37. Civil Dark: 19:46 - 06:13. Nautical Dark: 20:29 - 05:31. Astro Dark: 21:13 - 04:46

Total Clouds (% Sky Obscured)

98
99
82
93
98
95
97
95
91
88
86
92
96
100
95
89
82
81
81
74
70
75
80
86

Low Clouds (% Sky Obscured)

92
94
81
76
67
63
60
57
55
55
52
65
73
80
65
47
30
25
56
26
38
70
79
73

Medium Clouds (% Sky Obscured)

31
52
40
47
64
60
87
55
60
75
47
58
43
17
30
35
35
32
35
32
25
34
39
76

High Clouds (% Sky Obscured)

6
12
33
64
96
82
72
58
42
25
8
16
18
21
33
44
51
49
47
47
33
21
25
50

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
7
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 (%)

17
21
29
34
35
35
29
9
18
13
0
3
4
5
6
8
5
13
15
20
32
19
19
38

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
17
17
17
18
19
19
19
20
20
21
20
19
18
18
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
85
85
86
83
82
81
79
79
77
72
67
65
62
61
64
64
69
73
77
82
86
86

Pressure (mb)

1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1010
1011
1011
1011

Ozone (du)

258
259
260
259
260
260
260
259
259
260
260
259
260
260
259
260
261
261
261
262
264
265
266
266

Friday 19

Waning Crescent 2%

04:59

18:46

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: 06:50, Set: 19:09, Transit: 12:59. Moon - Rise: 04:59, Set: 18:46. Civil Dark: 19:44 - 06:14. Nautical Dark: 20:26 - 05:33. Astro Dark: 21:10 - 04:48

Total Clouds (% Sky Obscured)

93
100
100
100
100
99
93
58
100
91
100
100
100
100
98
97
96
97
96
86
72
66
72
70

Low Clouds (% Sky Obscured)

69
65
72
53
60
64
69
58
71
66
57
65
79
90
82
73
65
53
41
28
40
52
63
56

Medium Clouds (% Sky Obscured)

93
100
82
84
17
18
23
34
49
54
59
61
69
99
71
42
12
7
5
0
0
0
0
0

High Clouds (% Sky Obscured)

75
69
100
100
100
98
93
58
98
91
94
86
79
71
76
81
86
87
85
85
72
66
72
70

ISS Passover

Visibility (miles)

5
5
3
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
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
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

64
38
33
19
7
16
16
7
18
21
18
29
44
62
95
83
40
37
31
18
21
21
7
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
93
93
89
92
90
92
90
90
86
83
74
72
75
62
64
65
67
71
75
80
80
80
80

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1010

Ozone (du)

266
267
269
272
275
277
280
283
285
288
288
291
293
294
296
302
308
314
315
316
318
318
318
318

Saturday 20

Waning Crescent 0%

06:17

18:53

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 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:51, Set: 19:06, Transit: 12:59. Moon - Rise: 06:17, Set: 18:53. Civil Dark: 19:41 - 06:16. Nautical Dark: 20:23 - 05:34. Astro Dark: 21:07 - 04:50

Total Clouds (% Sky Obscured)

68
68
79
90
100
100
100
100
93
86
79
66
53
41
55
68
82
82
82
80
84
83
86
84

Low Clouds (% Sky Obscured)

49
41
36
31
30
35
40
45
56
69
79
65
53
40
52
64
74
70
68
66
67
69
71
72

Medium Clouds (% Sky Obscured)

0
0
0
0
0
17
39
58
59
56
53
44
38
30
24
19
19
32
40
46
64
75
80
59

High Clouds (% Sky Obscured)

68
67
71
76
80
80
76
76
51
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
6
5
6
8
9
9
8
8
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

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
Very Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

25
27
37
42
44
44
48
51
46
38
22
19
13
4
19
31
36
56
63
68
67
67
65
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
6
6
6
6
6
5
5
4
2
1
1
1
1
2
3
4
4
5
5

Relative Humidity (%)

83
82
82
85
88
90
90
93
93
87
82
77
66
55
47
46
46
46
52
58
66
69
73
77

Pressure (mb)

1010
1011
1011
1012
1012
1012
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1020

Ozone (du)

318
319
320
321
322
322
323
323
323
325
326
328
329
329
330
331
332
333
333
334
334
334
333
333

Sunday 21

New Moon 1%

07:33

19:00

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: 06:53, Set: 19:04, Transit: 12:58. Moon - Rise: 07:33, Set: 19:00. Civil Dark: 19:39 - 06:18. Nautical Dark: 20:21 - 05:36. Astro Dark: 21:04 - 04:53

Total Clouds (% Sky Obscured)

81
79
81
82
84
83
82
81
84
84
84
85
86
88
84
80
76
76
75
78

Low Clouds (% Sky Obscured)

71
70
67
65
63
59
55
54
57
57
58
57
58
61
61
59
56
60
64
68

Medium Clouds (% Sky Obscured)

42
28
25
29
35
41
47
54
45
37
29
35
42
49
46
43
40
46
45
38

High Clouds (% Sky Obscured)

0
1
1
1
0
0
0
0
8
18
31
37
53
58
50
39
29
34
29
33

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
16
12
8
8
22
30
33
35
29
15
10
7
7
8
8
8
7
5
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
77
77
77
78
81
85
88
84
78
73
66
60
54
53
52
51
54
59

Pressure (mb)

1020
1020
1020
1020
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024

Ozone (du)

333
334
334
334
334
334
332
329
326
326
326
325
324
324
323
322
320
319
318
316

Forecast for Cookridge, Leeds, United Kingdom (53.85,-1.63)

Generated: 15/09/25 23:49:58. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+1.00