Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 7%

06:13

13:34

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

Sun - Rise: 08:19, Set: 15:53, Transit: 12:06. Moon - Rise: 06:13, Set: 13:34. Civil Dark: 16:35 - 07:37. Nautical Dark: 17:20 - 06:52. Astro Dark: 18:03 - 06:10

Total Clouds (% Sky Obscured)

38
60
74
100
100
100
100
100
100
90
100
94
100
95
97
100
95
97
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
58
32
63
83
87
82
81
100
84
100
81
83
84
89
69
70
55
43
48
56
47

Medium Clouds (% Sky Obscured)

38
60
74
100
100
100
100
100
100
84
85
90
97
77
96
100
91
92
80
100
100
100
100
100

High Clouds (% Sky Obscured)

38
60
49
100
100
100
100
100
100
28
11
30
29
2
2
12
2
24
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
7
3
9
7
9
9
9
8
9
9
9
9
2
3
9
3
9
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
7
66
95
95
95
90
75
46
47
41
64
95
95
95
95
95
74
47
33
37
13
0

Precipitation Amount (mm)

0
0
0
0.3
1
0.9
0.6
0.4
0.2
0
0.2
0
0
0.9
0.8
1
1.2
0.7
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

7
9
11
13
14
16
18
18
17
17
18
19
20
21
20
21
20
19
16
13
12
12
11
10

Chance of Frost

Temperature (°C)

2
2
2
3
4
4
4
5
6
7
7
8
9
9
10
10
10
11
11
11
11
10
10
9

Feels Like (°C)

-3
-3
-3
-2
-2
-2
-2
-1
-0
1
1
2
3
3
4
5
5
5
6
7
7
6
5
6

Dew Point (°C)

-1
-1
-0
0
2
3
3
4
4
5
6
7
8
8
9
9
9
10
10
10
10
9
8
7

Relative Humidity (%)

84
83
83
82
86
91
91
90
88
90
90
91
91
91
91
93
93
93
91
95
95
91
88
88

Pressure (mb)

1014
1013
1012
1012
1012
1011
1011
1010
1009
1008
1007
1006
1005
1004
1003
1003
1002
1002
1002
1002
1002
1003
1004
1004

Ozone (du)

294
293
294
296
295
294
293
291
293
289
285
283
284
287
289
294
297
298
304
310
309
305
307
304

Thursday 18

Waning Crescent 3%

07:26

14:01

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 Good
00 Good
01 Good
02 OK
03 OK

Sun - Rise: 08:20, Set: 15:53, Transit: 12:07. Moon - Rise: 07:26, Set: 14:01. Civil Dark: 16:36 - 07:37. Nautical Dark: 17:21 - 06:52. Astro Dark: 18:03 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
77
15
0
7
25
35

Low Clouds (% Sky Obscured)

36
42
39
33
45
51
56
75
80
97
61
58
62
90
50
86
47
54
44
15
0
7
25
35

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
98
80
93
100
100
100
100
100
89
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
55
50
29
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
7
6
3
1
2
2
5
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
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
30
47
84
95
95
95
95
95
19
4
27
40
43
8
7
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
2.4
2.8
2
1.1
0.7
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
6
7
7
7
7
8
8
8
8
7
7
6
6
5
5
4
4
4
3
2
2
2

Relative Humidity (%)

87
90
88
91
91
91
93
95
91
96
96
90
94
90
87
84
84
79
82
81
79
76
79
80

Pressure (mb)

1004
1004
1004
1004
1004
1005
1004
1003
1002
999
998
996
997
997
998
998
1000
1001
1002
1003
1004
1005
1006
1006

Ozone (du)

305
299
296
301
305
304
305
294
291
295
291
312
323
331
351
367
373
373
367
360
358
364
368
371

Friday 19

Waning Crescent 1%

08:32

14:41

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

Sun - Rise: 08:20, Set: 15:54, Transit: 12:07. Moon - Rise: 08:32, Set: 14:41. Civil Dark: 16:36 - 07:38. Nautical Dark: 17:21 - 06:53. Astro Dark: 18:03 - 06:11

Total Clouds (% Sky Obscured)

43
55
52
52
56
42
47
64
48
47
44
34
30
44
32
36
20
8
25
46
25
28
30
35

Low Clouds (% Sky Obscured)

43
55
52
52
56
42
47
64
48
47
44
34
29
35
32
36
20
5
25
37
25
28
30
35

Medium Clouds (% Sky Obscured)

0
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
2
2
3
0
2
2
3
17
2
1
2
3

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 (%)

3
4
2
1
0
0
0
1
2
3
2
1
0
1
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
76
79
83
81
81
79
77
75
77
78
79
81
82
88
90
90
91
91
91
93
93
89

Pressure (mb)

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

Ozone (du)

362
361
359
357
365
354
336
328
314
303
304
303
296
295
289
288
286
284
287
286
284
288
287
288

Saturday 20

New Moon 0%

09:25

15:36

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:21, Set: 15:54, Transit: 12:08. Moon - Rise: 09:25, Set: 15:36. Civil Dark: 16:36 - 07:39. Nautical Dark: 17:22 - 06:54. Astro Dark: 18:04 - 06:11

Total Clouds (% Sky Obscured)

43
57
78
63
73
62
82
84
89
95
100
80
98
100
100
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

43
49
58
44
51
46
52
60
68
66
67
53
55
53
51
49
48
51
54
34
43
54
53
50

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
15
50
45
34
5
23
47
72
76
80
85
79
77
80
69
52
43
43

High Clouds (% Sky Obscured)

7
12
30
10
8
15
34
47
67
85
65
62
60
99
90
87
82
100
100
100
95
89
84
81

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
0
0
0
0
1
1
0
1
4
1
4
10
2
6
9
3
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
-1
-1
1
1
1
1
2
2
2
1
1
1
-0
-0
-0
-1
0
-0
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

91
89
88
86
91
91
90
87
85
84
84
81
84
84
83
85
85
85
85
83
86
85
82
85

Pressure (mb)

1011
1010
1010
1009
1009
1008
1008
1007
1007
1006
1006
1005
1005
1005
1005
1005
1004
1004
1004
1004
1003
1003
1003
1003

Ozone (du)

290
294
297
297
298
299
300
302
305
307
309
314
312
311
311
309
311
315
314
311
309
311
317
324

Sunday 21

Waxing Crescent 2%

10:05

16:44

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:21, Set: 15:55, Transit: 12:08. Moon - Rise: 10:05, Set: 16:44. Civil Dark: 16:37 - 07:39. Nautical Dark: 17:22 - 06:54. Astro Dark: 18:04 - 06:12

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
98
95
91
93
97
100
99
99
98
99
99
100
99
99
98
99

Low Clouds (% Sky Obscured)

57
60
65
78
79
78
77
77
64
52
40
40
40
40
93
93
93
89
81
70
68
66
72
80

Medium Clouds (% Sky Obscured)

78
39
43
70
91
59
59
95
93
85
77
85
93
100
87
72
58
65
74
87
90
91
94
95

High Clouds (% Sky Obscured)

78
76
86
95
100
100
99
98
86
74
56
71
84
100
96
94
93
91
91
93
69
45
21
49

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
9
9
9
5
2
8
6
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
Light Rain
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

11
4
14
18
18
23
23
27
26
39
65
60
46
32
85
86
85
70
51
20
19
16
8
55

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
89
91
93
94
94
93
91
87
88
94
94
88
85
88
91
94
94
94
94
94
94
94

Pressure (mb)

1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1003
1004
1004
1004
1005
1005
1005
1005
1005

Ozone (du)

332
344
352
353
360
367
368
371
370
368
374
380
386
389
385
388
391
394
397
400
403
403
404
405

Monday 22

Waxing Crescent 6%

10:32

18:01

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:22, Set: 15:55, Transit: 12:09. Moon - Rise: 10:32, Set: 18:01. Civil Dark: 16:38 - 07:40. Nautical Dark: 17:23 - 06:55. Astro Dark: 18:05 - 06:12

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
99
100
99
97
95
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
96
96
91
88
86
85
84
85
87
88
92
94
97
95
97
100
96
93
90
88
86
87
91

Medium Clouds (% Sky Obscured)

94
92
95
97
100
98
96
89
80
80
79
78
72
65
40
35
30
36
48
67
77
88
94
89

High Clouds (% Sky Obscured)

76
100
83
67
45
60
78
100
88
77
65
64
63
52
65
78
89
91
95
99
99
100
100
82

ISS Passover

Visibility (miles)

9
8
7
5
3
0
3
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

68
73
95
95
95
95
95
95
95
86
28
55
72
87
78
72
63
56
44
15
18
15
5
16

Precipitation Amount (mm)

0.3
0.4
0.7
1.1
1.5
1.4
1.4
1.4
1
0.6
0
0
0.3
0.5
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
98
100
96
94
91
90
90
88
88
90
90
91
91
93
93
93
93
93
94
94

Pressure (mb)

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

Ozone (du)

405
405
404
404
404
404
408
412
415
417
418
420
415
411
407
406
405
404
403
402
400
400
400
400

Tuesday 23

Waxing Crescent 12%

10:52

19:21

Sun - Rise: 08:22, Set: 15:56, Transit: 12:09. Moon - Rise: 10:52, Set: 19:21. Civil Dark: 16:38 - 07:40. Nautical Dark: 17:23 - 06:55. Astro Dark: 18:05 - 06:13

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Nantwich, Cheshire East, United Kingdom (53.07,-2.53)

Generated: 17/12/25 04:17:13. Forecast: 17/12/25 to 23/12/25. Timezone: UTC+0.00