Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 12%

04:58

13:14

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 OK
18 OK
19 Good
20 OK
21 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:18, Set: 15:53, Transit: 12:06. Moon - Rise: 04:58, Set: 13:14. Civil Dark: 16:35 - 07:36. Nautical Dark: 17:20 - 06:51. Astro Dark: 18:02 - 06:09

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
100
55
12
10
0
19
12
18
12
10
100
89
99
100

Low Clouds (% Sky Obscured)

54
30
37
61
82
80
76
59
54
57
53
47
7
10
0
19
12
6
7
0
0
0
8
22

Medium Clouds (% Sky Obscured)

100
100
98
98
100
99
100
100
100
95
100
45
12
2
0
0
0
0
0
0
50
49
79
66

High Clouds (% Sky Obscured)

32
100
92
33
30
30
30
31
35
100
64
30
12
0
0
16
12
18
12
10
100
67
98
66

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
31
28
0
2
3
3
2
31
31
31
6

Precipitation Type

None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
73
1
0
1
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.8
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
5
5
5
6
6
8
8
7
6
5
5
4
3
3
3
4
5
5
6
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
93
93
93
90
88
87
87
88
90
90
89
89
88
89
91
93
91
91
89
88
89

Pressure (mb)

1006
1007
1007
1008
1010
1010
1011
1011
1012
1012
1013
1013
1014
1015
1015
1015
1015
1016
1015
1015
1015
1015
1014
1014

Ozone (du)

304
310
314
321
330
336
335
340
347
349
351
360
363
348
337
331
323
317
315
312
307
301
299
297

Wednesday 17

Waning Crescent 7%

06:13

13:34

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
04 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)

100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
48
61
69
100
92
92
100
100
100
100
100
79
70
84
100
100
42
32
31
24
7
3
0

Medium Clouds (% Sky Obscured)

39
87
100
100
100
100
91
90
57
100
79
97
100
95
90
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
58
100
100
100
100
100
100
30
30
100
100
100
43
48
45
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
7
5
7
9
6
7
9
9
9
9
9
9
5
6
2
9
9
9
9
9

Fog (%)

2
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
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
Light Rain
None
None
None
Light Rain
Light Rain
Very Light Rain
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

1
33
71
77
63
70
42
41
60
34
9
20
79
78
66
62
79
95
88
27
8
1
0
0

Precipitation Amount (mm)

0
0
0.4
0.5
0.2
0.5
0
0
0.4
0
0
0
0.4
0.4
0.2
0
0.4
0.9
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

11
13
13
16
17
17
16
16
17
17
17
19
19
19
20
18
18
15
13
11
10
7
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
86
89
89
90
88
85
85
88
88
88
88
91
91
91
91
91
93
93
91
91
91
91

Pressure (mb)

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

Ozone (du)

295
295
293
294
292
291
292
291
290
287
288
288
292
295
297
301
306
310
308
309
309
312
313
307

Thursday 18

Waning Crescent 3%

07:26

14:01

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 Good
00 Good
01 OK
02 Bad
03 Bad
04 Bad

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
79
15
65
7
17
34
48
49
53

Low Clouds (% Sky Obscured)

0
0
22
24
61
90
84
84
84
69
60
51
100
60
66
48
0
5
7
5
3
0
16
32

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
53
92
38
0
2
1
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
79
50
5
65
0
17
34
48
47
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
0
0
0
3
6
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
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

Precipitation Probability (%)

0
0
1
11
59
95
95
95
95
95
54
10
13
37
44
31
8
8
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
1.2
1
0.9
1.3
0.8
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
8
8
9
9
9
8
7
7
7
7
6
6
5
3
3
2
3
3
2

Relative Humidity (%)

91
91
91
90
90
95
98
96
98
91
90
85
85
84
84
85
85
87
82
80
79
80
82
79

Pressure (mb)

1005
1005
1005
1004
1003
1002
1000
999
998
997
997
997
997
998
999
1000
1002
1003
1004
1005
1006
1007
1007
1008

Ozone (du)

299
296
295
302
306
309
311
310
314
319
327
338
355
371
388
392
387
379
365
362
364
364
363
361

Friday 19

Waning Crescent 1%

08:32

14:41

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

49
70
80
77
59
47
40
34
33
21
23
35
35
58
63
54
58
50
64
56
63
73
68
70

Low Clouds (% Sky Obscured)

48
56
65
66
59
47
40
34
33
21
23
35
35
45
42
36
26
27
35
39
40
44
46
47

Medium Clouds (% Sky Obscured)

0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
3
10
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
35
40
39
26
29
21
29
34
21
19

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
2
5
2
4
5
1
4
4
1
1
1
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
82
83
83
85
81
78
77
77
79
84
84
84
79
79
83
86
91
91
91
93
93
93

Pressure (mb)

1009
1009
1010
1011
1012
1012
1013
1013
1013
1013
1014
1014
1014
1015
1014
1014
1014
1014
1013
1013
1012
1012
1011
1010

Ozone (du)

360
359
357
361
364
360
347
336
328
322
306
296
296
292
293
290
287
286
283
279
276
277
274
277

Saturday 20

New Moon 0%

09:25

15:36

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

77
96
98
100
99
98
99
99
99
100
100
100
100
40
42
44
51
58
64
60
55
56
70
86

Low Clouds (% Sky Obscured)

49
47
45
49
63
81
92
61
31
0
4
8
12
28
36
44
51
56
56
52
50
50
57
63

Medium Clouds (% Sky Obscured)

27
29
37
40
54
53
56
62
69
70
70
88
94
40
32
18
14
9
4
11
19
39
70
86

High Clouds (% Sky Obscured)

17
63
87
100
86
50
24
39
45
78
98
100
100
34
42
44
51
34
30
30
30
29
34
40

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

Precipitation Probability (%)

1
9
19
23
28
28
33
73
87
87
62
35
4
8
8
5
10
10
6
15
19
22
33
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
91
91
91
88
85
84
78
78
83
86
85
85
85
83
85
86
88
88
89
89
88

Pressure (mb)

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

Ozone (du)

284
286
291
296
299
302
307
310
311
312
310
311
309
309
310
310
310
312
314
315
319
322
326
336

Sunday 21

Waxing Crescent 2%

10:05

16:44

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
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

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
99
99
89
77
64
54
44
37
48
64
81
84
84
84
83
78
78
76
69
65
69
75

Low Clouds (% Sky Obscured)

66
69
74
80
75
73
64
54
44
34
45
55
66
67
72
72
73
73
73
70
69
65
67
70

Medium Clouds (% Sky Obscured)

97
78
59
37
41
42
30
24
21
25
31
40
46
51
54
59
71
78
78
52
22
1
2
2

High Clouds (% Sky Obscured)

45
50
50
45
40
35
35
35
35
35
35
35
50
45
40
35
40
40
40
35
35
35
30
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
5
4
5
7
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

44
39
32
25
24
19
8
9
8
1
33
45
53
68
77
84
73
62
50
42
32
6
10
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
88
89
88
88
86
86
88
90
90
91
91
91
93
93
95
95
95
93
91
90
87
88

Pressure (mb)

1003
1003
1003
1003
1004
1004
1005
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1008
1009

Ozone (du)

347
357
358
359
360
361
363
364
364
365
366
367
368
369
371
372
373
374
375
376
374
373
372
371

Monday 22

Waxing Crescent 6%

10:32

18:01

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)

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: 16/12/25 04:48:17. Forecast: 16/12/25 to 22/12/25. Timezone: UTC+0.00