Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 12%

04:58

13:00

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
10 Bad
11 Bad

Sun - Rise: 08:18, Set: 15:53, Transit: 12:05. Moon - Rise: 04:58, Set: 13:00. 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
100
100
100
92
100
95
96
97
100
99
100
96
93
100
100
100
100
71
90
84
100

Low Clouds (% Sky Obscured)

100
96
96
91
91
97
99
100
95
88
78
80
53
47
42
37
45
56
67
64
49
45
25
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
95
96
97
99
94
100
94
81
61
53
57
83
71
86
84
100

High Clouds (% Sky Obscured)

100
100
100
100
100
68
100
100
67
77
97
100
94
45
52
45
55
60
31
32
28
18
2
25

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
1
3
3
4
3
4
4
3
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
0
0
0
1
0
0
0
0
0
0
0
0
0
0
2
5

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
None
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

Precipitation Probability (%)

100
100
100
100
0
0
0
0
1
2
95
83
89
95
95
46
4
0
2
4
3
0
0
0

Precipitation Amount (mm)

1.9
2
1
0.5
0
0
0
0
0
0
0.9
0.5
0.6
0.7
1.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
7
6
4
3
5
5
7
2
10
13
13
10
11
11
9
9
7
6
5
5
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
8
8
6
6
6
5
5
5
3
3
1
0
1
2
1
2
3
3
3
3
4

Dew Point (°C)

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

Relative Humidity (%)

92
92
96
97
98
100
100
97
96
96
96
94
94
93
93
93
93
91
90
91
93
94
91
91

Pressure (mb)

1001
1000
1000
1000
1001
1001
1001
1002
1002
1002
1002
1003
1003
1004
1005
1005
1006
1007
1008
1009
1010
1012
1012
1013

Ozone (du)

289
290
291
290
287
288
284
277
296
294
290
288
286
288
290
292
297
303
312
316
319
324
337
340

Tuesday 16

Waning Crescent 7%

06:13

13:14

12 Bad
13 Bad
14 Bad
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 OK
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: 08:19, Set: 15:53, Transit: 12:06. Moon - Rise: 06:13, Set: 13:14. Civil Dark: 16:35 - 07:37. Nautical Dark: 17:20 - 06:52. Astro Dark: 18:02 - 06:10

Total Clouds (% Sky Obscured)

100
100
79
0
0
0
0
0
0
0
0
10
66
54
98
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
58
39
68
91
73
75

Medium Clouds (% Sky Obscured)

100
100
79
0
0
0
0
0
0
0
0
0
45
33
37
71
87
93
100
100
100
94
96
93

High Clouds (% Sky Obscured)

57
32
19
0
0
0
0
0
0
0
0
7
12
31
90
95
98
100
83
100
100
100
100
55

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 (%)

9
0
0
0
0
0
0
30
31
2
16
4
6
36
73
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
42
61
65
68
52
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.2
0

Wind Speed/Direction (mph)

5
5
4
4
3
3
3
4
4
4
5
5
7
8
8
9
10
12
12
14
16
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
91
91
91
91
91
91
91
91
89
89
93
89
89
88
88
86
85
83
82
83
83

Pressure (mb)

1013
1014
1014
1015
1015
1016
1017
1017
1017
1018
1018
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1013

Ozone (du)

340
338
347
347
358
358
361
354
343
335
331
327
321
317
311
308
305
301
300
299
297
294
291
294

Wednesday 17

Waning Crescent 3%

07:26

13:34

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
10 Bad
11 Bad

Sun - Rise: 08:20, Set: 15:53, Transit: 12:06. Moon - Rise: 07:26, 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)

97
100
98
100
92
100
100
100
100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

74
100
93
90
92
100
100
100
57
55
67
43
43
44
44
43
46
49
63
76
87
88
89
90

Medium Clouds (% Sky Obscured)

84
61
88
67
55
69
99
100
100
93
85
83
87
94
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

2
2
8
6
2
45
20
18
53
45
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
2
3
3
7
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
13
1
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

55
33
34
71
83
74
56
25
24
57
88
60
21
29
49
70
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0.4
0.6
0.4
0.2
0
0
0
0.6
0
0
0
0
0.2
1.4
1.7
1.1
0.8
1.1
1.3
1.3
1.5

Wind Speed/Direction (mph)

18
19
18
18
17
17
17
16
15
14
11
10
9
8
8
8
8
8
9
10
11
12
16
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
82
84
84
84
84
84
85
87
90
91
93
93
91
96
95
96
96
95
91
91
90
85

Pressure (mb)

1012
1011
1010
1010
1009
1009
1009
1008
1008
1008
1009
1009
1008
1008
1008
1008
1007
1006
1006
1004
1003
1002
1000
998

Ozone (du)

293
290
289
289
290
291
295
296
297
301
302
300
300
298
295
296
294
290
285
283
284
283
290
292

Thursday 18

Waning Crescent 1%

08:32

14:01

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 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:20, Set: 15:53, Transit: 12:07. Moon - Rise: 08:32, Set: 14:01. Civil Dark: 16:36 - 07:38. Nautical Dark: 17:21 - 06:53. Astro Dark: 18:03 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
100
100
93
86
79
62
26
21
23
28
39
43
29
49
58
59
63

Low Clouds (% Sky Obscured)

91
90
90
84
79
52
74
63
58
41
33
26
31
26
21
23
28
39
43
29
37
40
44
45

Medium Clouds (% Sky Obscured)

97
93
90
83
75
68
47
52
62
60
33
29
19
8
0
0
0
3
14
3
35
45
45
40

High Clouds (% Sky Obscured)

100
100
100
98
97
95
96
98
100
81
63
39
27
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
7
4
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

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
None
None
None
None
None

Precipitation Probability (%)

95
95
87
93
76
33
39
27
6
9
10
2
1
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.4
1
0.4
0.6
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)

26
27
27
28
26
24
24
24
24
23
20
17
15
14
13
12
11
10
10
10
10
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
2
3
4
7
6
5
4
4
3
3
2
2
3
4
3
3
2
2
3
2
2
3

Dew Point (°C)

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

Relative Humidity (%)

85
85
88
88
87
88
83
80
80
80
77
77
78
78
79
79
80
85
85
85
86
86
83
82

Pressure (mb)

996
994
994
993
993
993
994
995
997
999
1000
1002
1003
1004
1005
1005
1006
1007
1008
1008
1009
1010
1011
1011

Ozone (du)

298
299
299
303
319
328
343
355
359
352
350
356
359
356
358
363
366
375
376
370
373
376
372
363

Friday 19

Waning Crescent 0%

09:25

14:41

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

Sun - Rise: 08:21, Set: 15:54, Transit: 12:07. Moon - Rise: 09:25, Set: 14:41. Civil Dark: 16:36 - 07:39. Nautical Dark: 17:21 - 06:54. Astro Dark: 18:03 - 06:11

Total Clouds (% Sky Obscured)

54
48
38
34
33
32
71
73
76
84
92
100
100
100
100
100
100
100
100
99
99
99
99
100

Low Clouds (% Sky Obscured)

43
40
36
34
33
32
47
53
60
59
55
49
44
40
41
43
43
47
44
39
32
37
38
40

Medium Clouds (% Sky Obscured)

27
19
12
0
0
0
0
0
0
15
33
65
70
71
56
40
44
50
59
68
76
58
43
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
29
26
19
27
54
71
80
90
99
100
100
100
96
91
86
90
94
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
None
None
None
None

Precipitation Probability (%)

0
1
1
2
2
3
0
0
0
0
0
0
2
6
3
26
37
47
44
37
16
12
10
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)

12
11
11
10
10
9
9
11
12
13
14
16
17
17
17
16
16
15
14
14
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
84
88
90
90
89
89
88
89
88
88
88
88
88
88
88
88
88
88
88
85
85

Pressure (mb)

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

Ozone (du)

348
340
338
326
327
305
303
302
300
299
295
291
287
286
284
283
282
282
281
284
287
290
292
295

Saturday 20

New Moon 0%

10:05

15:36

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
10 Bad
11 Bad

Sun - Rise: 08:21, Set: 15:54, Transit: 12:08. Moon - Rise: 10:05, Set: 15:36. Civil Dark: 16:36 - 07:39. Nautical Dark: 17:22 - 06:54. Astro Dark: 18:04 - 06:12

Total Clouds (% Sky Obscured)

100
100
98
90
81
75
76
74
70
71
65
63
71
74
82
67
54
39
49
62
73
76
79
80

Low Clouds (% Sky Obscured)

44
50
54
60
66
71
64
55
47
51
55
56
48
43
38
26
13
0
9
17
25
22
22
24

Medium Clouds (% Sky Obscured)

65
75
75
50
23
0
0
0
0
2
5
7
12
22
32
32
30
27
31
35
38
46
50
56

High Clouds (% Sky Obscured)

92
85
77
56
34
17
22
25
26
33
37
40
38
42
45
37
34
30
37
49
59
63
66
67

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 (%)

2
2
1
5
6
2
6
6
1
2
3
1
2
2
0
1
1
0
1
0
0
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
82
84
84
85
88
86
85
83
83
82
80
83
85
88
88
91
91
91
94
94
94
91

Pressure (mb)

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

Ozone (du)

297
301
304
307
311
314
317
315
314
312
311
310
309
309
310
311
318
326
333
339
344
350
352
353

Sunday 21

Waxing Crescent 2%

10:32

16:44

Sun - Rise: 08:22, Set: 15:55, Transit: 12:08. Moon - Rise: 10:32, Set: 16:44. Civil Dark: 16:37 - 07:40. Nautical Dark: 17:22 - 06:55. Astro Dark: 18:04 - 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: 15/12/25 20:00:23. Forecast: 15/12/25 to 21/12/25. Timezone: UTC+0.00