Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 7%

06:14

13:31

15 OK
16 Bad
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
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

Sun - Rise: 08:20, Set: 15:50, Transit: 12:05. Moon - Rise: 06:14, Set: 13:31. Civil Dark: 16:33 - 07:37. Nautical Dark: 17:18 - 06:52. Astro Dark: 18:01 - 06:09

Total Clouds (% Sky Obscured)

31
46
14
12
48
61
66
57
50
51
36
85
56
96
95
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

21
19
14
12
48
61
66
57
50
51
36
26
0
0
0
34
58
100
79
100
100
87
100
100

Medium Clouds (% Sky Obscured)

31
3
0
0
0
0
0
0
0
0
0
36
36
43
95
86
98
100
100
100
95
99
79
91

High Clouds (% Sky Obscured)

6
2
0
0
0
0
0
2
3
3
9
46
11
93
55
100
100
100
100
100
35
40
55
46

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
8
5
9
9
9
7

Fog (%)

0
0
0
41
100
100
100
100
100
100
100
100
87
0
0
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
8
47
88
95
95
88
67
50
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.2
1.4
0.5
0.2
0
0

Wind Speed/Direction (mph)

5
3
4
3
2
3
3
3
4
5
5
6
7
7
8
9
11
12
13
14
14
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
89
93
91
93
94
96
96
94
91
88
85
80
76
73
75
76
80
83
86
85
88
88

Pressure (mb)

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

Ozone (du)

353
363
366
358
344
337
329
324
321
317
305
300
298
294
294
292
295
294
294
292
291
291
288
285

Wednesday 17

Waning Crescent 3%

07:28

13:58

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:21, Set: 15:50, Transit: 12:06. Moon - Rise: 07:28, Set: 13:58. Civil Dark: 16:33 - 07:38. Nautical Dark: 17:19 - 06:53. Astro Dark: 18:01 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
82
86
85
100
93
69
56
48
47
38
36
35
51
56
34
29
31
43
100
100
100
60

Medium Clouds (% Sky Obscured)

100
100
85
100
100
100
100
100
99
100
85
100
100
100
98
71
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

2
100
63
100
35
30
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
6
5
3
3
2
8
4
9
9
9
9
9
9
9
9
9
9
9
4
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
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
Light Rain
Moderate Rain
Moderate Rain
Light Rain

Precipitation Probability (%)

79
73
95
95
95
95
95
95
92
40
5
2
0
0
0
0
0
0
1
34
95
95
95
95

Precipitation Amount (mm)

0.2
0
1.1
1.1
0.9
0.7
0.9
1.4
0.5
0
0
0
0
0
0
0
0
0
0
0
1.4
3.7
2.9
1.1

Wind Speed/Direction (mph)

13
13
14
14
14
15
14
14
13
11
11
11
9
7
5
4
7
6
6
7
8
8
10
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
90
90
91
91
93
91
95
95
80
78
81
85
88
90
90
87
85
75
78
93
95
90

Pressure (mb)

1006
1006
1005
1004
1004
1003
1003
1002
1003
1003
1004
1005
1005
1005
1004
1004
1004
1004
1003
1002
1001
999
996
994

Ozone (du)

284
286
288
289
294
296
297
300
304
309
313
313
313
316
314
304
301
305
312
311
312
314
317
313

Thursday 18

Waning Crescent 1%

08:34

14:37

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
10 Bad
11 Bad
12 Bad
13 OK
14 OK

Sun - Rise: 08:21, Set: 15:51, Transit: 12:06. Moon - Rise: 08:34, Set: 14:37. Civil Dark: 16:33 - 07:39. Nautical Dark: 17:19 - 06:53. Astro Dark: 18:02 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
98
86
67
25
28
44
52
56
59
76
83
74
83
76
67
51
56
48
40
35
29

Low Clouds (% Sky Obscured)

45
56
85
51
72
60
5
19
43
52
56
59
68
75
63
74
73
65
51
56
48
40
35
29

Medium Clouds (% Sky Obscured)

100
100
100
81
63
20
2
0
0
0
0
0
0
5
14
6
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
58
45
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
4
3
3
8
9
2
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
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
51
93
63
25
2
6
3
4
18
26
28
13
20
4
4
7
7
8
12
5

Precipitation Amount (mm)

0.6
0.6
0.9
0.8
0
0.7
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
22
25
16
8
10
29
17
16
14
13
12
13
14
12
12
12
12
11
10
10
11
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
7
8
8
5
5
3
1
1
1
1
1
2
2
2
2
1
2
2
2
3
2
3

Relative Humidity (%)

87
85
82
87
91
80
90
75
70
70
70
70
71
72
74
71
70
67
70
70
69
67
65
67

Pressure (mb)

993
992
992
993
994
995
999
1001
1002
1004
1004
1005
1006
1006
1007
1008
1009
1010
1011
1012
1012
1012
1013
1013

Ozone (du)

325
338
346
363
378
382
382
375
372
364
371
378
368
365
360
356
364
369
356
331
315
324
322
312

Friday 19

Waning Crescent 0%

09:27

No Set

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

Sun - Rise: 08:22, Set: 15:51, Transit: 12:07. Moon - Rise: 09:27, Set: No Set. Civil Dark: 16:34 - 07:39. Nautical Dark: 17:19 - 06:54. Astro Dark: 18:02 - 06:11

Total Clouds (% Sky Obscured)

37
47
59
65
45
48
63
68
42
44
64
44
81
49
93
73
36
56
92
93
95
94
93
89

Low Clouds (% Sky Obscured)

37
41
38
41
37
40
42
41
39
42
42
43
41
42
78
65
36
48
75
79
77
76
74
70

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
42
61
70
71
74
79

High Clouds (% Sky Obscured)

0
1
2
6
8
7
7
12
5
3
14
5
18
8
11
1
2
4
6
17
25
25
25
20

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 (%)

6
6
12
1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
4
6
1
1
1
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
74
79
79
79
82
83
85
85
83
83
82
82
80
83
85
85
85
85
84
81
81
78
77

Pressure (mb)

1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1012
1011
1011
1010
1009
1009
1008
1008
1007
1007
1006
1005
1004
1003

Ozone (du)

299
295
294
292
291
291
289
286
281
279
280
283
287
290
292
292
294
298
299
303
301
302
305
307

Saturday 20

New Moon 2%

10:06

15:32

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:22, Set: 15:51, Transit: 12:07. Moon - Rise: 10:06, Set: 15:32. Civil Dark: 16:34 - 07:40. Nautical Dark: 17:20 - 06:54. Astro Dark: 18:02 - 06:12

Total Clouds (% Sky Obscured)

93
96
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
66
68
71
86
94
92
89
80
83
80
77
81
84
88
72
65
57
61
65
68
73
77
84

Medium Clouds (% Sky Obscured)

90
95
100
100
100
100
97
98
97
95
97
98
99
99
100
89
94
100
100
100
100
94
87
77

High Clouds (% Sky Obscured)

38
58
77
61
46
30
57
75
100
100
100
100
100
100
100
81
92
100
95
88
83
88
94
100

ISS Passover

Visibility (miles)

9
9
9
9
8
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
2
3
24
32
12
29
32
31
42
49
44
44
41
37
13
16
17
35
41
41
57
65
69

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)

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

Chance of Frost

Temperature (°C)

8
8
8
8
7
8
7
7
7
7
7
6
7
7
7
7
6
6
6
7
7
8
8
8

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
5
4
3
3
3
3
3
4
4
4
3
3
3
4
4
5
5
5
5

Relative Humidity (%)

75
75
78
78
81
81
79
77
77
78
78
81
81
79
79
79
79
81
82
84
84
85
85
84

Pressure (mb)

1002
1002
1001
1001
1001
1000
1000
1000
999
999
999
999
999
999
999
1000
1001
1002
1002
1002
1002
1002
1003
1003

Ozone (du)

309
309
309
310
311
316
322
325
328
330
331
338
345
352
357
364
371
378
384
388
392
395
395
395

Sunday 21

Waxing Crescent 6%

10:34

16:41

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:23, Set: 15:52, Transit: 12:08. Moon - Rise: 10:34, Set: 16:41. Civil Dark: 16:35 - 07:40. Nautical Dark: 17:20 - 06:55. Astro Dark: 18:03 - 06:12

Total Clouds (% Sky Obscured)

100
100
100
97
95
92
89
87
83
88
94
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
78
76
74
73
69
65
61
59
62
65
68
64
63
55
66
72
78
84
89
93
86
79
72

Medium Clouds (% Sky Obscured)

82
88
95
86
76
67
68
64
58
66
79
99
99
99
99
99
99
100
95
91
83
68
56
40

High Clouds (% Sky Obscured)

100
100
100
88
80
70
70
74
76
84
91
100
98
96
95
96
96
96
97
98
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

74
75
71
56
39
9
9
6
1
6
8
9
25
31
28
74
94
95
95
95
95
93
68
36

Precipitation Amount (mm)

0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.7
0.9
1
0.8
0.5
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
8
9
8
8
8

Feels Like (°C)

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

Dew Point (°C)

5
5
5
6
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
7
7
7
7
6

Relative Humidity (%)

85
87
88
91
90
88
87
87
87
87
85
85
84
84
85
85
87
88
88
90
90
90
88
85

Pressure (mb)

1003
1003
1004
1004
1005
1005
1006
1006
1006
1007
1007
1007
1007
1006
1006
1006
1005
1005
1005
1005
1004
1004
1004
1004

Ozone (du)

395
397
398
400
398
396
394
392
391
390
391
391
392
392
391
391
391
391
391
392
392
392
394
395

Monday 22

Waxing Crescent 12%

10:53

17:58

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
10 Bad
11 Bad

Sun - Rise: 08:23, Set: 15:53, Transit: 12:08. Moon - Rise: 10:53, Set: 17:58. Civil Dark: 16:35 - 07:41. Nautical Dark: 17:21 - 06:55. Astro Dark: 18:03 - 06:12

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

66
57
51
63
75
85
86
87
88
84
78
72
66
51
39
39
34
33
41
54
66

Medium Clouds (% Sky Obscured)

42
48
51
58
56
50
43
38
36
43
42
38
36
34
35
38
38
40
43
49
54

High Clouds (% Sky Obscured)

99
98
96
87
78
77
71
72
74
55
52
41
29
25
21
24
31
34
26
17
9

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 (%)

33
26
1
2
2
1
1
1
0
3
4
5
9
11
11
14
12
3
7
9
9

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

Chance of Frost

Temperature (°C)

8
8
8
8
8
7
7
7
7
7
7
7
6
6
6
6
6
6
6
6
7

Feels Like (°C)

5
5
4
4
4
3
3
4
3
4
5
4
4
5
4
5
3
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
85
85
85
85
85
85
85
87
87
88
90
90
91
90
90
91
86
84

Pressure (mb)

1004
1004
1005
1005
1005
1005
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1008
1009
1009
1010
1010

Ozone (du)

396
398
399
401
400
400
400
397
395
392
390
389
387
388
389
390
390
391
391
392
392

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

Generated: 16/12/25 15:37:14. Forecast: 16/12/25 to 22/12/25. Timezone: UTC+0.00