Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

03:37

18:27

10 OK
11 OK
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

Sun - Rise: 06:48, Set: 19:14, Transit: 13:00. Moon - Rise: 03:37, Set: 18:27. Civil Dark: 19:49 - 06:13. Nautical Dark: 20:31 - 05:31. Astro Dark: 21:16 - 04:46

Total Clouds (% Sky Obscured)

27
42
54
61
100
83
94
87
92
82
80
92
83
82
83
83
97
99
100
100
100
88
81
88

Low Clouds (% Sky Obscured)

27
42
54
61
86
50
85
79
82
69
68
70
70
70
59
58
55
55
62
62
63
59
68
67

Medium Clouds (% Sky Obscured)

27
42
41
61
56
42
39
38
51
30
27
26
26
34
40
49
69
52
78
53
42
39
21
21

High Clouds (% Sky Obscured)

27
42
5
42
39
3
3
11
3
35
10
59
31
23
27
16
73
97
100
100
100
31
30
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
1
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 (%)

1
1
0
6
8
8
8
17
14
6
1
3
1
1
2
8
21
19
3
3
5
2
3
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)

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

Chance of Frost

Temperature (°C)

16
17
17
16
17
17
18
18
18
17
17
17
17
17
17
16
16
16
16
16
16
16
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
71
76
83
87
88
89
93
88
85
83
83
82
81
83
85
85
85
90
87
86
87
87
83

Pressure (mb)

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

Ozone (du)

258
257
258
258
259
259
260
261
265
264
262
260
258
259
260
261
260
259
259
259
261
262
263
263

Friday 19

Waning Crescent 6%

04:59

18:37

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

Sun - Rise: 06:50, Set: 19:11, Transit: 13:00. Moon - Rise: 04:59, Set: 18:37. Civil Dark: 19:46 - 06:14. Nautical Dark: 20:29 - 05:33. Astro Dark: 21:13 - 04:48

Total Clouds (% Sky Obscured)

91
85
79
85
80
88
93
86
89
100
100
94
100
100
100
100
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

65
71
79
83
80
88
93
86
89
100
100
74
70
81
88
93
76
81
77
76
93
85
80
90

Medium Clouds (% Sky Obscured)

33
55
33
57
25
73
80
67
48
46
37
63
89
75
89
100
91
89
88
81
99
100
99
95

High Clouds (% Sky Obscured)

64
26
3
37
8
69
41
10
17
31
33
60
100
100
100
62
100
100
100
96
40
100
99
100

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
1
6
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
Light Rain
Very Light Rain

Precipitation Probability (%)

1
1
5
8
9
10
10
26
14
3
2
2
3
9
19
44
21
9
10
11
24
16
67
53

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
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
13
12
12
12
12
13
13
14
14
14
14
14
14
14
14
14
13
13
12
12

Relative Humidity (%)

78
76
70
68
64
59
59
61
63
73
79
86
87
90
90
90
90
90
92
92
92
92
87
84

Pressure (mb)

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

Ozone (du)

262
261
262
263
262
262
261
260
262
263
264
263
263
265
264
263
264
263
265
266
268
270
271
272

Saturday 20

Waning Crescent 2%

06:17

18:46

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

Sun - Rise: 06:51, Set: 19:09, Transit: 12:59. Moon - Rise: 06:17, Set: 18:46. Civil Dark: 19:44 - 06:16. Nautical Dark: 20:26 - 05:34. Astro Dark: 21:10 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
89
94
87
82
76
66
81
64
89
100
98
100
97
94
92
92
91

Low Clouds (% Sky Obscured)

100
100
96
81
78
60
84
81
85
66
82
74
59
81
64
89
100
81
87
60
60
67
76
83

Medium Clouds (% Sky Obscured)

96
88
100
98
100
87
99
89
83
87
44
25
18
5
0
47
55
53
55
88
63
82
84
85

High Clouds (% Sky Obscured)

100
78
89
58
95
99
0
0
30
2
0
0
0
0
0
0
3
3
7
4
5
13
11
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
2
7
1
6
7
9
9
9
9
9
9
9
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
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
Light Rain
None
Very Light Rain
Light Rain
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

37
28
35
31
44
35
41
61
82
74
54
43
31
48
84
62
75
74
43
44
47
48
75
87

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
5
5
5
6
5
6
6
6
8
11
11
11
10
8
8
9
8
13
13
14
13
12
10

Chance of Frost

Temperature (°C)

15
15
15
16
17
17
18
18
17
16
15
13
13
12
13
13
13
12
11
11
11
11
11
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
86
82
78
75
57
60
63
68
76
87
89
95
96
92
87
84
84
80
77
76
74
80

Pressure (mb)

1009
1009
1008
1008
1007
1006
1004
1003
1003
1002
1002
1002
1002
1002
1001
1000
1000
1001
1002
1003
1003
1005
1006
1007

Ozone (du)

273
273
271
271
272
271
272
275
279
283
284
287
293
293
294
301
305
308
313
311
311
311
310
310

Sunday 21

New Moon 0%

07:33

18:53

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

Sun - Rise: 06:53, Set: 19:06, Transit: 12:59. Moon - Rise: 07:33, Set: 18:53. Civil Dark: 19:41 - 06:18. Nautical Dark: 20:23 - 05:36. Astro Dark: 21:07 - 04:53

Total Clouds (% Sky Obscured)

92
93
92
82
68
51
43
39
34
26
18
20
34
42
58
59
60
57
54
50
38
14
8
3

Low Clouds (% Sky Obscured)

81
78
75
66
55
45
40
35
30
22
13
10
15
24
33
34
40
45
45
46
38
14
8
3

Medium Clouds (% Sky Obscured)

85
88
87
71
51
40
40
39
19
26
18
20
33
35
33
8
3
4
8
22
19
2
2
1

High Clouds (% Sky Obscured)

5
5
1
1
0
5
5
5
3
5
3
0
10
10
10
1
0
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
3
5
9
9
9
3
2
6
6
2
2
5
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

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

Precipitation Probability (%)

95
91
53
34
35
61
67
47
40
59
61
67
44
32
26
18
6
11
15
5
1
1
0
0

Precipitation Amount (mm)

1.1
1
0
0
0
0.4
0.5
0
0
0.2
0.3
0.5
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
9
9
8
8
11
14
12
12
11
12
11
11
11
10
9
10
10
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
9
9
10
10
7
5
4
5
4
2
2
2
2
2
2
2
1
1
1
3
4

Dew Point (°C)

8
8
9
9
9
10
9
9
9
8
9
9
8
7
6
6
5
5
4
3
2
1
3
3

Relative Humidity (%)

84
88
91
90
90
91
93
96
95
95
95
96
95
91
90
88
85
84
81
75
70
71
73
70

Pressure (mb)

1008
1008
1009
1010
1011
1011
1012
1012
1013
1014
1015
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021
1022
1022
1023

Ozone (du)

308
309
310
311
312
313
312
312
314
315
315
315
315
315
316
316
316
316
318
318
317
315
315
314

Monday 22

Waxing Crescent 1%

08:48

19:00

10 Good
11 Good
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
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

Sun - Rise: 06:55, Set: 19:04, Transit: 12:58. Moon - Rise: 08:48, Set: 19:00. Civil Dark: 19:39 - 06:20. Nautical Dark: 20:21 - 05:38. Astro Dark: 21:04 - 04:55

Total Clouds (% Sky Obscured)

1
9
35
39
55
62
63
48
62
62
35
21
38
78
100
100
100
100
100
100
100
96
88
83

Low Clouds (% Sky Obscured)

1
9
30
39
48
53
48
38
42
33
26
21
15
8
0
17
34
50
52
54
56
63
69
76

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
1
2
2
22
42
67
67
67
72
76
62
52
27
21
20

High Clouds (% Sky Obscured)

0
0
0
0
2
2
2
1
1
1
1
0
32
67
100
100
99
99
95
89
86
81
80
80

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
2
0
1
1
1
3
0
0
0
0
0
1
0
3
7
9
24
36
47
59
68
79

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
10
9
8
8
7
7
5
4
3
2
3
4
4
4
3
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
7
7
7
8
8
7
8
7
7
8
7
6
5
4
4
4
4
5
5
5
6
7

Dew Point (°C)

3
3
2
3
4
3
2
2
2
2
4
4
4
4
3
3
3
2
2
3
3
3
3
3

Relative Humidity (%)

64
57
54
57
58
53
52
52
54
59
68
74
77
79
79
78
75
72
70
70
70
69
65
64

Pressure (mb)

1023
1023
1023
1024
1024
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025

Ozone (du)

314
313
311
309
308
308
308
307
307
306
305
304
303
303
303
303
303
302
302
301
301
300
300
300

Tuesday 23

Waxing Crescent 3%

10:04

19:08

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

Sun - Rise: 06:57, Set: 19:01, Transit: 12:58. Moon - Rise: 10:04, Set: 19:08. Civil Dark: 19:36 - 06:22. Nautical Dark: 20:18 - 05:40. Astro Dark: 21:02 - 04:57

Total Clouds (% Sky Obscured)

74
65
61
60
63
75
85
91
96
96
96
96
96
96
96
97
97
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

74
65
61
60
63
75
75
70
65
58
49
45
44
40
37
47
57
69
65
59
54
53
51
46

Medium Clouds (% Sky Obscured)

25
25
30
29
28
23
21
13
13
12
13
15
15
10
8
15
20
40
70
85
90
95
90
80

High Clouds (% Sky Obscured)

54
27
1
1
1
1
28
52
77
76
76
75
80
80
90
90
90
85
90
90
85
68
53
41

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

Light Rain
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 (%)

81
83
87
80
73
64
54
42
22
19
14
0
2
3
2
6
8
7
7
4
1
5
7
5

Precipitation Amount (mm)

0.6
0.6
0.6
0.5
0.4
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)

5
6
6
6
6
6
6
6
6
6
6
5
5
4
4
5
5
5
5
4
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
2
2
1
1
1
1
1
2
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4

Relative Humidity (%)

61
56
51
47
45
45
44
48
52
57
61
66
70
70
72
72
72
72
72
72
70
69
67
65

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

299
299
299
298
298
298
298
297
297
296
296
296
296
295
294
294
293
293
293
293
293
294
293
293

Wednesday 24

Waxing Crescent 7%

10:04

19:17

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:59, Set: 18:59, Transit: 12:58. Moon - Rise: 10:04, Set: 19:17. Civil Dark: 19:34 - 06:24. Nautical Dark: 20:15 - 05:42. Astro Dark: 20:59 - 04:59

Total Clouds (% Sky Obscured)

96
90
85
86
87
89
92
96
100
100
100
100
99
99
98
98
98
98
96
96
95

Low Clouds (% Sky Obscured)

50
57
63
69
75
80
64
49
41
53
61
69
72
76
79
81
84
88
81
73
65

Medium Clouds (% Sky Obscured)

69
59
48
37
40
43
45
47
44
44
45
40
37
34
31
34
42
40
39
39
36

High Clouds (% Sky Obscured)

26
25
33
43
62
72
76
81
81
72
67
62
45
25
20
40
62
83
79
81
79

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

Fog (%)

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

Precipitation Probability (%)

18
22
25
40
48
51
43
34
34
34
32
19
23
27
29
29
30
30
31
29
22

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
58
57
53
54
54
54
58
62
66
68
71
73
73
76
76
78
80
82
82
84

Pressure (mb)

1026
1026
1026
1026
1026
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028

Ozone (du)

292
292
292
292
292
292
291
292
293
293
293
292
292
293
294
295
295
295
295
295
295

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

Generated: 18/09/25 10:36:27. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00