Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

02:17

18:28

00 OK
01 OK
02 Good
03 OK
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: 06:49, Set: 19:16, Transit: 13:03. Moon - Rise: 02:17, Set: 18:28. Civil Dark: 19:51 - 06:14. Nautical Dark: 20:33 - 05:32. Astro Dark: 21:17 - 04:48

Total Clouds (% Sky Obscured)

26
27
0
24
66
66
80
88
86
67
75
92
96
93
96
97
89
89
79
94
91
91
91
71

Low Clouds (% Sky Obscured)

25
10
11
6
20
17
17
48
48
55
71
88
87
84
70
90
67
74
75
82
76
73
57
54

Medium Clouds (% Sky Obscured)

0
2
9
3
8
18
59
24
49
59
75
38
62
29
46
27
70
31
21
35
19
19
20
28

High Clouds (% Sky Obscured)

5
7
6
2
5
3
4
27
8
26
5
35
46
45
29
5
4
4
2
2
2
1
3
3

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
9
9
9
8
9
9
9
9
9
8
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

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 (%)

0
0
0
0
0
0
0
6
5
28
35
39
9
11
21
23
19
21
13
5
6
8
5
1

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)

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

Chance of Frost

Temperature (°C)

14
14
14
13
12
13
13
13
13
14
15
15
16
18
19
19
19
20
20
19
18
18
18
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
81
80
83
89
80
80
90
87
80
85
93
92
92
91
93
95
93
85
86
83
83
82
82

Pressure (mb)

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

Ozone (du)

260
260
260
260
259
259
259
258
257
256
256
257
257
258
256
256
259
261
263
260
261
259
259
258

Friday 19

Waning Crescent 6%

03:42

18:39

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: 06:51, Set: 19:14, Transit: 13:02. Moon - Rise: 03:42, Set: 18:39. Civil Dark: 19:49 - 06:16. Nautical Dark: 20:30 - 05:34. Astro Dark: 21:14 - 04:50

Total Clouds (% Sky Obscured)

61
77
100
97
99
99
85
79
78
79
82
83
91
90
98
90
95
100
84
94
85
100
97
100

Low Clouds (% Sky Obscured)

49
55
61
64
62
50
51
49
50
54
68
60
80
84
95
80
86
75
77
70
53
55
71
52

Medium Clouds (% Sky Obscured)

46
60
99
74
97
92
67
25
22
62
18
67
27
22
25
31
52
81
55
40
40
82
63
76

High Clouds (% Sky Obscured)

7
23
84
55
71
93
55
20
31
25
7
8
7
2
1
1
68
76
47
35
64
88
89
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
7
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 (%)

3
15
8
5
4
2
3
5
12
6
17
21
38
39
19
4
8
8
5
2
2
1
1
2

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
12
11
12
12
11
11
9
8
7
9
10
11
11
7
5
5
7
5
2
1
2
2

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
17
17
18
19
20
20
20
19
19
19
19
18
17
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
86
86
85
86
85
86
86
89
85
82
78
76
77
84
84
84
86
86
85
85
87
89

Pressure (mb)

1016
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1014
1014

Ozone (du)

258
259
259
259
259
258
259
261
261
261
260
261
261
261
261
260
259
260
262
263
264
264
265
266

Saturday 20

Waning Crescent 2%

05:03

18:48

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: 06:52, Set: 19:11, Transit: 13:02. Moon - Rise: 05:03, Set: 18:48. Civil Dark: 19:46 - 06:18. Nautical Dark: 20:28 - 05:36. Astro Dark: 21:11 - 04:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
100
100
100
100
100
100
100
87
95
58
77
88
94
100
100
91
95

Low Clouds (% Sky Obscured)

47
54
61
59
74
72
74
42
59
54
46
55
47
58
74
86
44
69
77
86
100
100
83
89

Medium Clouds (% Sky Obscured)

77
80
83
64
70
56
61
71
96
92
98
87
92
64
73
73
50
45
49
61
8
61
65
84

High Clouds (% Sky Obscured)

100
100
100
86
100
100
86
88
100
100
100
100
100
100
30
35
2
4
25
6
0
0
0
25

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

Precipitation Probability (%)

3
8
19
13
5
13
23
21
27
24
18
35
54
30
53
63
60
17
18
13
32
57
65
72

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
1
2
3
2
4
4
7
10
12
15
14
13
14
15
15
16
17
17
19
20
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
15
14
14
14
13
13
13
12
10
10
11
11
10
11
10
9
8
6
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

89
89
86
87
87
87
87
87
86
84
84
79
76
74
73
73
74
76
79
83
84
83
87
90

Pressure (mb)

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

Ozone (du)

265
264
265
265
267
268
268
271
272
273
273
274
274
275
274
276
276
275
277
278
282
283
283
282

Sunday 21

New Moon 0%

06:20

18:56

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: 06:54, Set: 19:09, Transit: 13:02. Moon - Rise: 06:20, Set: 18:56. Civil Dark: 19:44 - 06:20. Nautical Dark: 20:25 - 05:38. Astro Dark: 21:08 - 04:55

Total Clouds (% Sky Obscured)

96
95
92
93
95
97
98
98
93
98
96
94
92
94
89
96
91
81
71
91
98
96
96
91

Low Clouds (% Sky Obscured)

90
87
83
80
84
88
92
85
78
72
68
68
70
80
86
96
84
69
55
26
55
43
53
53

Medium Clouds (% Sky Obscured)

84
81
26
20
33
40
52
57
62
58
55
52
49
54
59
59
53
56
52
89
94
85
74
60

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
6
15
22

ISS Passover

Visibility (miles)

9
9
7
8
4
8
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

Very Light Rain
Very 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
None
None

Precipitation Probability (%)

70
77
82
74
71
56
53
41
31
32
25
25
22
22
21
10
15
20
25
21
18
13
14
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
20
19
19
17
15
16
17
17
17
15
17
17
17
17
17
16
15
15
16
16
16
16
16

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
10
11
11
11
11
11
11
12
12
12
12
11
11
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
93
93
93
93
91
91
90
90
90
90
86
83
79
80
80
83
85
85
84
87
84

Pressure (mb)

1007
1007
1007
1007
1007
1008
1009
1010
1011
1012
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1016
1017
1017
1017

Ozone (du)

283
284
286
288
291
293
294
296
297
297
299
300
300
302
303
304
304
306
308
309
309
309
308
308

Monday 22

Waxing Crescent 1%

07:35

19:04

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 OK
23 OK

Sun - Rise: 06:56, Set: 19:07, Transit: 13:01. Moon - Rise: 07:35, Set: 19:04. Civil Dark: 19:41 - 06:21. Nautical Dark: 20:22 - 05:40. Astro Dark: 21:06 - 04:57

Total Clouds (% Sky Obscured)

91
88
84
76
76
76
67
63
68
72
76
72
47
68
90
89
85
82
77
79
73
56
36
29

Low Clouds (% Sky Obscured)

50
51
52
48
21
13
31
40
43
43
47
49
45
56
67
66
67
67
67
33
31
28
28
29

Medium Clouds (% Sky Obscured)

52
23
50
70
76
76
67
34
16
3
10
17
28
31
34
33
21
10
0
0
0
0
0
0

High Clouds (% Sky Obscured)

27
17
9
13
16
21
16
13
12
1
2
3
1
0
0
0
0
0
0
0
1
1
1
0

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
None
None
None

Precipitation Probability (%)

1
1
0
0
2
0
0
0
0
0
0
0
0
0
0
1
2
9
2
6
6
3
4
2

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)

15
16
14
14
14
12
10
9
9
10
11
10
10
9
9
8
7
7
8
7
7
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
77
74
75
77
79
78
73
67
62
56
52
50
55
55
57
59
60
64
68
74
74

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1024
1024
1024
1024

Ozone (du)

308
310
311
312
313
313
314
316
317
317
317
319
320
320
320
319
317
316
314
313
313
312
311
311

Tuesday 23

Waxing Crescent 3%

08:50

19:12

00 OK
01 OK
02 OK
03 OK
04 OK
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 OK
21 OK
22 Bad
23 Bad

Sun - Rise: 06:58, Set: 19:04, Transit: 13:01. Moon - Rise: 08:50, Set: 19:12. Civil Dark: 19:39 - 06:23. Nautical Dark: 20:20 - 05:42. Astro Dark: 21:03 - 04:59

Total Clouds (% Sky Obscured)

31
35
39
40
46
57
68
70
65
59
67
74
82
88
93
98
92
76
59
47
39
35
48
64

Low Clouds (% Sky Obscured)

29
31
36
37
39
39
41
44
49
49
52
58
65
69
73
77
59
46
29
33
34
33
35
37

Medium Clouds (% Sky Obscured)

0
0
0
0
2
3
5
9
13
17
14
13
17
21
28
33
41
46
51
47
35
32
32
27

High Clouds (% Sky Obscured)

0
3
6
10
17
35
51
48
39
26
17
9
1
12
26
50
58
61
59
47
39
35
47
28

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
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
3
1
0
4
4
2
4
6
5
9
9
6
10
9
5
30
39

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)

5
4
4
4
3
3
3
3
2
2
3
3
5
6
5
5
5
5
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
5
5
5
5
5
5
4
5
6
7
8
9
11
11
11
10
10
10
9
9
9
9

Dew Point (°C)

3
2
2
1
1
1
1
-0
1
2
3
4
4
5
5
5
5
5
6
6
5
5
4
5

Relative Humidity (%)

74
74
74
74
74
73
72
70
65
61
57
59
61
62
62
61
61
65
70
76
74
76
75
78

Pressure (mb)

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

Ozone (du)

310
309
309
309
309
309
309
309
308
308
307
308
309
310
310
310
310
309
308
307
307
306
306
305

Wednesday 24

Waxing Crescent 7%

10:06

19:22

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 OK
22 Bad
23 Bad

Sun - Rise: 06:59, Set: 19:02, Transit: 13:01. Moon - Rise: 10:06, Set: 19:22. Civil Dark: 19:36 - 06:25. Nautical Dark: 20:17 - 05:44. Astro Dark: 21:00 - 05:01

Total Clouds (% Sky Obscured)

73
86
94
98
100
100
96
94
92
90
86
77
51
43
43
43
47
42
46
46
46
45
52
59

Low Clouds (% Sky Obscured)

45
50
60
66
66
74
74
64
56
48
60
61
51
43
43
43
47
39
29
26
20
16
14
13

Medium Clouds (% Sky Obscured)

36
42
43
50
55
60
55
62
60
53
48
44
45
43
36
27
26
25
29
37
42
45
48
53

High Clouds (% Sky Obscured)

10
34
59
83
76
73
58
32
19
7
7
5
3
2
1
1
0
1
1
1
1
0
32
59

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
None
None
None

Precipitation Probability (%)

36
36
41
45
41
40
39
31
27
25
26
24
19
21
20
12
14
12
5
7
4
1
1
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
6
6
6
6
7
6
7
7
8
8
9
9
14
14
13
13
14
14
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

81
84
84
84
84
84
84
85
77
70
65
58
52
47
46
45
45
52
59
67
69
73
75
77

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

303
302
301
300
299
299
299
298
298
297
297
297
298
299
298
298
297
296
296
295
294
294
293
292

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

Generated: 18/09/25 07:53:34. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00