Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Crescent 27%

02:29

12:40

12 OK
13 OK
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: 08:17, Set: 15:52, Transit: 12:04. Moon - Rise: 02:29, Set: 12:40. Civil Dark: 16:35 - 07:35. Nautical Dark: 17:19 - 06:50. Astro Dark: 18:02 - 06:07

Total Clouds (% Sky Obscured)

22
31
53
63
100
100
99
100
100
100
93
95
94
99
96
98
97
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

22
31
53
49
47
48
55
50
44
49
51
52
47
45
47
69
70
65
56
51
46
42
41
33

Medium Clouds (% Sky Obscured)

22
26
30
61
55
57
36
68
74
86
87
91
85
78
84
92
79
89
100
92
100
94
62
63

High Clouds (% Sky Obscured)

22
31
53
63
100
96
95
100
100
100
37
38
40
83
52
64
42
90
54
93
35
60
93
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
0
0
0
0
0
0
0
1
0
1
10
18
24
29
39
13
5
12
28
19
53
42
29

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)

8
9
10
10
12
13
14
15
15
15
15
14
15
15
15
16
16
16
16
14
15
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
80
81
82
84
85
82
79
79
79
79
79
79
79
81
79
82
81
81
81
81
81
78

Pressure (mb)

1025
1024
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1019
1019
1019
1018
1017
1016
1016
1015
1015
1015
1015
1014

Ozone (du)

331
326
323
318
316
310
307
306
303
304
302
300
302
303
303
301
299
297
295
292
291
289
287
286

Sunday 14

Waning Crescent 19%

03:43

12:49

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: 03:43, Set: 12:49. Civil Dark: 16:35 - 07:35. Nautical Dark: 17:20 - 06:50. Astro Dark: 18:02 - 06:08

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)

23
12
27
25
27
43
44
55
52
54
54
60
78
69
73
84
90
77
79
86
87
92
91
92

Medium Clouds (% Sky Obscured)

99
100
100
93
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
100
100
100
86
80
38
73
97
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
5
3
3
3
5
6
5
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

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

Precipitation Probability (%)

16
19
11
18
7
4
3
24
30
34
39
63
66
75
78
87
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.4
0.5
0.8
1.4
1.4
1.3
1.1
0.9
0.8
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
69
66
64
64
65
63
63
66
67
72
72
72
77
76
78
81
88
93
93
93
93
91
91

Pressure (mb)

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

Ozone (du)

285
284
283
284
283
283
282
280
278
277
277
278
280
280
279
279
279
281
282
284
285
288
290
291

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
98
100
100
100
100
100
100
100
100
100
100
100
97
100
88
86
91
95
100
100
100
100

Low Clouds (% Sky Obscured)

75
72
85
84
71
63
85
97
100
100
100
100
64
40
58
62
67
54
36
18
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
96
100
98
100
100
100
100
100
98
100
98
100
90
100
58
68
78
89
100
88
99
90

High Clouds (% Sky Obscured)

100
99
64
81
67
70
71
58
52
73
98
47
100
74
62
82
45
34
35
30
30
31
29
33

ISS Passover

Visibility (miles)

5
6
6
4
5
9
9
9
9
7
2
2
1
5
4
3
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
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

93
76
89
95
90
60
72
94
95
95
95
95
95
95
95
81
14
5
1
1
0
1
1
0

Precipitation Amount (mm)

0.8
0.5
0.7
1
0.4
0
0.2
0.4
1.7
2.3
1.5
2.3
1.3
0.8
1.5
0.5
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
12
12
13
14
15
16
15
9
12
9
9
6
5
6
7
7
6
5
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
90
91
87
87
87
90
95
96
96
94
93
93
94
85
85
91
91
91
91
91
90

Pressure (mb)

1002
1001
1001
1001
1000
1000
1000
1001
1001
1002
1002
1003
1003
1004
1005
1005
1006
1007
1008
1009
1011
1012
1013
1013

Ozone (du)

294
294
294
296
297
297
297
300
300
299
295
288
285
283
280
282
288
292
295
301
305
312
324
326

Tuesday 16

Waning Crescent 7%

06:13

13:14

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Good
19 OK
20 OK
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: 08:19, 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
88
80
47
52
2
22
10
55
42
46
69
82
94
96
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

6
11
16
13
8
4
2
2
0
0
0
0
0
0
0
7
14
21
29
34
42
59
84
100

Medium Clouds (% Sky Obscured)

100
100
86
76
42
44
0
0
0
0
0
0
20
40
60
65
71
72
86
95
100
97
94
88

High Clouds (% Sky Obscured)

41
60
88
60
28
0
0
10
6
35
33
39
57
64
77
85
92
100
100
100
100
78
57
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
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
31
57
76
72
61
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.4
0.2
0

Wind Speed/Direction (mph)

5
5
4
4
4
4
4
4
4
4
5
6
6
7
7
8
10
11
12
13
14
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
85
90
91
93
89
91
89
89
91
91
91
91
91
89
89
88
86
86
82
79
79
80

Pressure (mb)

1014
1014
1015
1016
1016
1017
1017
1018
1018
1018
1019
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015

Ozone (du)

327
339
350
349
355
355
349
336
331
323
318
313
310
309
306
304
302
299
299
299
298
297
295
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)

100
100
100
97
93
90
92
93
94
96
98
100
85
68
52
45
37
40
64
83
98
99
99
100

Low Clouds (% Sky Obscured)

100
100
100
90
78
64
63
60
57
50
43
36
41
47
52
36
21
5
22
41
51
65
79
92

Medium Clouds (% Sky Obscured)

89
85
82
78
73
82
65
17
0
45
75
72
58
42
30
24
24
40
54
57
55
54
54
46

High Clouds (% Sky Obscured)

43
42
5
0
2
3
17
36
82
88
94
100
73
43
15
22
33
40
61
71
82
88
93
100

ISS Passover

Visibility (miles)

9
8
8
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 (%)

31
35
25
15
17
13
20
19
5
10
16
3
15
19
16
21
22
6
3
1
0
4
6
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
85
85
85
85
85
84
84
84
84
87
88
87
88
88
87
87
87
85
85
84
82
82

Pressure (mb)

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

Ozone (du)

292
288
286
286
287
287
288
286
288
289
290
291
293
292
292
291
290
288
287
284
282
279
277
275

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 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: 12:07. 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
100
100
100
100
88
76
61
59
55
51
67
85
100
91
75
57
60
64
66

Low Clouds (% Sky Obscured)

92
92
91
94
96
99
82
64
47
50
56
60
55
51
45
60
74
87
80
71
57
50
43
39

Medium Clouds (% Sky Obscured)

46
46
46
59
74
89
82
74
64
61
42
30
18
9
2
27
48
60
40
40
30
19
19
18

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
72
43
15
30
25
25
35
48
60
66
70
57
51
50
41

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

Very Light Rain
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
None
None
None
None
None

Precipitation Probability (%)

68
95
95
95
95
95
95
95
50
38
27
17
19
15
3
16
28
34
39
38
25
20
19
4

Precipitation Amount (mm)

0.3
0.8
1.3
1.5
1.4
1.1
0.9
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
22
23
24
24
25
26
25
24
24
25
25
26
27
28
29
26
23
21
20
18
16
16
16

Chance of Frost

Temperature (°C)

9
10
10
10
10
10
10
10
11
11
10
10
10
9
9
8
9
9
9
9
9
8
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
80
81
81
83
84
84
84
84
80
76
72
72
70
71
73
73
73
74
74
73
74
75

Pressure (mb)

1003
1001
999
997
996
995
994
994
994
994
994
994
994
994
994
994
995
996
997
998
1000
1002
1003
1004

Ozone (du)

273
272
271
270
268
267
266
269
271
274
279
284
289
297
304
312
318
324
330
339
347
356
360
364

Friday 19

Waning Crescent 0%

09:25

14:41

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 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)

68
69
74
70
61
51
45
35
28
26
24
24
40
50
65
64
63
62

Low Clouds (% Sky Obscured)

45
48
54
50
46
39
32
23
19
16
14
14
23
28
33
34
36
34

Medium Clouds (% Sky Obscured)

24
36
47
40
29
19
14
8
3
2
1
0
20
43
65
62
60
57

High Clouds (% Sky Obscured)

37
50
64
43
22
0
0
0
0
2
3
4
22
48
65
52
35
16

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
4
1
3
4
1
2
2
1
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
79
81
84
85
88
88
90
89
89
93
93
93
93
93
91
93

Pressure (mb)

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

Ozone (du)

369
371
374
376
372
368
363
353
342
332
323
313
304
299
293
288
285
283

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

Generated: 13/12/25 12:58:20. Forecast: 13/12/25 to 19/12/25. Timezone: UTC+0.00