Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 20%

00:51

17:49

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: 06:47, Set: 19:21, Transit: 13:03. Moon - Rise: 00:51, Set: 17:49. Civil Dark: 19:56 - 06:12. Nautical Dark: 20:38 - 05:31. Astro Dark: 21:23 - 04:46

Total Clouds (% Sky Obscured)

98
97
96
100
100
100
99
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

83
82
77
62
61
48
42
34
36
38
23
0
22
25
73
85
84
82
89
89
100
100
100
82

Medium Clouds (% Sky Obscured)

21
21
27
0
0
0
0
3
23
21
79
98
94
100
100
100
100
100
100
100
100
100
92
92

High Clouds (% Sky Obscured)

0
5
55
91
100
100
99
88
100
100
100
94
100
100
100
100
100
100
100
44
20
36
9
3

ISS Passover

Visibility (miles)

9
9
9
8
6
8
6
9
9
9
9
9
9
9
9
9
9
3
8
8
2
3
2
5

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

Precipitation Probability (%)

43
39
7
44
38
28
22
8
3
3
1
1
3
19
47
92
95
95
95
95
95
95
76
34

Precipitation Amount (mm)

0.3
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0.6
1.3
1.3
1.9
3.5
2.5
0.5
0.4
0

Wind Speed/Direction (mph)

14
13
12
12
13
13
12
11
10
8
6
5
5
5
5
5
6
7
6
6
7
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
84
80
76
75
74
74
75
77
80
83
83
84
86
88
93
96
96
95
96
95
95

Pressure (mb)

1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1015
1015
1014
1012
1011
1010
1010
1009

Ozone (du)

300
298
295
295
292
287
284
281
278
276
273
270
268
265
263
263
263
261
262
260
259
261
260
263

Wednesday 17

Waning Crescent 19%

02:17

18:12

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

Sun - Rise: 06:49, Set: 19:19, Transit: 13:03. Moon - Rise: 02:17, Set: 18:12. Civil Dark: 19:54 - 06:14. Nautical Dark: 20:36 - 05:32. Astro Dark: 21:20 - 04:48

Total Clouds (% Sky Obscured)

93
82
72
81
65
69
52
74
60
55
43
35
51
35
59
37
46
71
43
70
74
70
67
76

Low Clouds (% Sky Obscured)

81
66
58
51
58
51
47
53
48
45
37
32
40
31
40
31
39
42
33
41
40
36
27
32

Medium Clouds (% Sky Obscured)

40
0
2
22
10
35
5
3
2
12
3
3
25
4
40
1
1
55
25
50
39
21
59
55

High Clouds (% Sky Obscured)

0
2
5
5
7
20
16
53
23
15
13
4
4
4
3
2
3
4
5
3
28
57
50
53

ISS Passover

Visibility (miles)

8
8
2
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
4
2
0
8
8
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
Light Rain
None
None
None
None
None

Precipitation Probability (%)

12
20
23
29
25
11
6
7
2
0
1
1
0
0
5
5
9
48
94
33
36
34
21
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
96
88
80
71
70
72
77
80
83
84
82
84
84
90
92
96
98
98
98
96
95

Pressure (mb)

1009
1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1011
1012
1012
1012

Ozone (du)

266
267
269
271
272
267
266
264
263
261
259
259
259
257
258
262
263
264
263
261
261
262
262
262

Thursday 18

Waning Crescent 12%

03:42

18:28

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: 19:16, Transit: 13:03. Moon - Rise: 03:42, Set: 18:28. Civil Dark: 19:51 - 06:16. Nautical Dark: 20:33 - 05:34. Astro Dark: 21:17 - 04:50

Total Clouds (% Sky Obscured)

94
96
100
97
95
94
97
90
87
94
81
79
88
93
94
100
100
100
99
98
85
83
77
66

Low Clouds (% Sky Obscured)

58
92
100
85
93
90
96
78
84
89
81
79
86
80
86
82
58
46
49
53
48
51
51
55

Medium Clouds (% Sky Obscured)

72
39
38
64
55
42
53
45
32
66
37
37
49
52
46
53
49
83
87
97
67
68
16
13

High Clouds (% Sky Obscured)

35
60
18
50
45
38
5
28
9
3
5
2
67
25
25
57
57
57
70
87
18
17
16
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
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
4
3
28
21
25
45
12
22
14
23
9
11
11
17
13
13
24
22
11
18
9
7
2

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
16
16
15
15
15
15
14
14
15
14
15
15
15
15
15
15
15
15
14
14
15
15

Relative Humidity (%)

92
86
86
85
82
78
76
77
76
78
80
81
83
86
86
85
83
83
85
85
85
87
87
83

Pressure (mb)

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

Ozone (du)

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

Friday 19

Waning Crescent 6%

05:03

18:39

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: 06:52, Set: 19:14, Transit: 13:02. Moon - Rise: 05:03, Set: 18:39. Civil Dark: 19:49 - 06:18. Nautical Dark: 20:30 - 05:36. Astro Dark: 21:14 - 04:53

Total Clouds (% Sky Obscured)

84
88
91
77
78
74
80
85
64
71
94
96
98
99
99
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

59
63
67
55
42
27
34
47
47
54
73
77
77
72
70
74
78
78
71
52
68
65
72
81

Medium Clouds (% Sky Obscured)

15
40
19
10
12
16
26
32
31
29
59
50
70
55
65
75
72
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

29
30
46
27
10
17
25
39
38
48
52
58
72
66
85
86
92
100
100
100
80
100
100
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
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 (%)

2
4
2
5
12
4
12
12
8
9
21
37
40
39
1
5
14
23
36
50
57
70
89
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
19
19
20
21
21
20
19
19
19
16
15
16
15
14
14
13
13
14
14
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

78
76
75
68
63
64
65
74
82
90
90
89
87
85
85
80
73
71
76
82
86
87
86
82

Pressure (mb)

1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

257
257
257
258
259
260
260
260
260
261
262
262
262
263
263
264
265
265
266
267
270
270
271
272

Saturday 20

Waning Crescent 2%

06:20

18:48

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: 06:54, Set: 19:11, Transit: 13:02. Moon - Rise: 06:20, Set: 18:48. Civil Dark: 19:46 - 06:20. Nautical Dark: 20:28 - 05:38. Astro Dark: 21:11 - 04:55

Total Clouds (% Sky Obscured)

100
100
100
96
93
91
90
89
85
82
85
82
79
80
78
76
83
85
78
84
89
92
92
93

Low Clouds (% Sky Obscured)

81
84
85
83
80
77
74
70
68
67
66
66
67
67
68
67
64
65
63
61
59
60
63
64

Medium Clouds (% Sky Obscured)

100
100
100
92
80
65
55
55
50
45
40
45
7
18
15
16
19
21
37
56
68
70
73
82

High Clouds (% Sky Obscured)

98
90
100
77
59
38
40
28
25
25
25
20
19
1
0
0
0
0
1
2
6
11
17
25

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
91
69
61
77
74
85
78
76
71
47
58
54
48
70
92
95
95
95
95

Precipitation Amount (mm)

1.2
1.5
2
1.4
1
0.5
0.3
0.2
0.4
0.4
0.6
0.5
0.4
0.3
0
0
0
0
0.3
0.6
0.9
1.2
1.6
2.7

Wind Speed/Direction (mph)

4
6
4
6
3
4
5
6
5
6
8
9
11
9
10
9
10
12
14
13
14
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
14
13
14
14
14
13
13
12
11
10
9
9
8
7
7
7
7
6
6
6
2
2

Dew Point (°C)

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

Relative Humidity (%)

78
71
71
79
84
89
90
92
93
95
93
96
92
92
92
91
90
91
90
90
90
88
90
90

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1016

Ozone (du)

274
273
274
277
278
279
281
283
284
286
291
295
299
301
304
305
307
308
309
310
310
310
312
315

Sunday 21

New Moon 0%

07:35

18:56

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

Sun - Rise: 06:56, Set: 19:09, Transit: 13:02. Moon - Rise: 07:35, Set: 18:56. Civil Dark: 19:44 - 06:21. Nautical Dark: 20:25 - 05:40. Astro Dark: 21:08 - 04:57

Total Clouds (% Sky Obscured)

93
95
97
91
87
82
80
77
70
69
68
62
47
44
40
41
42
40
42
41
42
50
54
57

Low Clouds (% Sky Obscured)

63
65
62
58
51
41
35
32
26
31
36
44
40
38
33
33
31
27
30
33
37
41
46
55

Medium Clouds (% Sky Obscured)

86
90
95
91
87
82
80
77
70
69
68
62
47
44
37
32
17
14
7
5
0
3
9
19

High Clouds (% Sky Obscured)

30
30
30
25
25
20
20
20
25
14
14
13
23
24
25
25
24
14
11
5
8
5
4
1

ISS Passover

Visibility (miles)

2
2
2
2
3
3
4
5
5
6
7
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
93
84
72
59
46
37
27
18
5
5
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.4
1.2
1.1
0.9
0.8
0.7
0.7
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
10
10
9
9
9
9
9
9
9
8
8
8
8
8
8
8
8
9
10

Feels Like (°C)

2
2
2
3
3
3
3
3
3
3
4
4
4
4
4
4
3
3
3
4
3
3
5
5

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
88
90
88
90
88
90
90
88
87
85
85
82
81
78
77
77
77
75
75
72
68

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023

Ozone (du)

317
317
318
318
318
318
318
318
319
319
318
317
316
317
318
318
320
321
323
323
323
324
325
327

Monday 22

Waxing Crescent 1%

08:50

19:04

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

Sun - Rise: 06:58, Set: 19:07, Transit: 13:01. Moon - Rise: 08:50, Set: 19:04. Civil Dark: 19:41 - 06:23. Nautical Dark: 20:22 - 05:42. Astro Dark: 21:06 - 04:59

Total Clouds (% Sky Obscured)

61
64
65
60
51
50
51
56
63
61
53
43
62
48
67
70
68
66
76
89
97

Low Clouds (% Sky Obscured)

53
50
45
45
41
38
40
41
42
32
18
4
7
10
13
17
22
25
28
29
33

Medium Clouds (% Sky Obscured)

22
22
21
29
38
42
35
28
23
15
8
0
0
0
0
14
29
44
53
61
70

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
26
48
43
62
44
35
32
25
46
61
79
93

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 (%)

7
8
4
10
10
5
9
9
8
7
4
0
0
0
0
0
0
0
0
0
0

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)

12
12
12
12
12
12
11
11
10
9
9
8
7
7
7
7
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
64
63
63
64
65
66
66
66
66
68
72
74
75
75
75
77
79
81
82
81

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

328
329
329
330
331
331
332
331
331
331
331
331
331
328
325
323
322
321
320
319
319

Forecast for Timperley, Trafford, United Kingdom (53.40,-2.32)

Generated: 16/09/25 10:26:59. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+1.00