Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 12

Waning Crescent 36%

01:12

12:38

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

Sun - Rise: 08:09, Set: 15:54, Transit: 12:01. Moon - Rise: 01:12, Set: 12:38. Civil Dark: 16:35 - 07:28. Nautical Dark: 17:18 - 06:44. Astro Dark: 18:00 - 06:02

Total Clouds (% Sky Obscured)

28
56
66
80
40
19
31
0
4
7
8
7
5
10
4
0
29
72
54
48
50
90
100
100

Low Clouds (% Sky Obscured)

28
4
0
0
0
0
0
0
0
7
8
7
5
10
4
0
21
17
6
28
25
30
13
22

Medium Clouds (% Sky Obscured)

28
20
34
52
9
8
17
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

28
56
66
69
35
7
5
0
0
0
0
0
0
0
2
0
29
72
54
48
21
63
100
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
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
91
91
90
91
89
91
91
91
93
93
94
94
94
94
96
94
90
88
85
85
85
87

Pressure (mb)

1019
1020
1021
1022
1023
1024
1024
1024
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025

Ozone (du)

316
315
313
312
313
317
321
328
340
356
372
376
368
357
353
352
348
345
344
341
337
332
328
324

Saturday 13

Waning Crescent 27%

02:24

12:48

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
15 Bad
16 Bad

Sun - Rise: 08:10, Set: 15:54, Transit: 12:02. Moon - Rise: 02:24, Set: 12:48. Civil Dark: 16:35 - 07:28. Nautical Dark: 17:19 - 06:45. Astro Dark: 18:00 - 06:03

Total Clouds (% Sky Obscured)

100
100
89
98
87
59
80
82
83
93
83
96
91
88
100
100
100
100
99
95
94
93
85
76

Low Clouds (% Sky Obscured)

29
29
24
18
23
22
30
31
34
23
29
33
33
31
31
26
33
38
39
43
48
41
39
46

Medium Clouds (% Sky Obscured)

40
87
89
98
73
45
38
82
83
87
40
60
57
78
84
67
76
92
89
82
45
68
65
31

High Clouds (% Sky Obscured)

100
100
61
12
9
5
4
2
36
47
58
53
31
61
96
100
99
73
94
80
81
81
46
47

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
0
0
0
0
0
0
2
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
87
87
85
84
85
87
84
82
81
81
81
82
82
82
81
81
80
77
77
77
80
82

Pressure (mb)

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

Ozone (du)

321
317
316
310
304
302
300
299
300
301
303
303
301
300
300
299
297
296
296
295
294
295
295
292

Sunday 14

Waning Crescent 19%

03:37

13:00

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
15 Bad
16 Bad

Sun - Rise: 08:10, Set: 15:54, Transit: 12:02. Moon - Rise: 03:37, Set: 13:00. Civil Dark: 16:35 - 07:29. Nautical Dark: 17:19 - 06:45. Astro Dark: 18:00 - 06:04

Total Clouds (% Sky Obscured)

84
65
66
78
82
81
95
98
100
100
95
86
75
86
84
96
90
85
78
83
86
90
89
89

Low Clouds (% Sky Obscured)

62
48
56
57
68
62
76
86
66
70
75
66
59
59
60
61
57
58
55
59
66
72
75
78

Medium Clouds (% Sky Obscured)

55
54
39
40
38
42
49
64
54
78
84
76
72
85
69
78
82
75
71
74
44
84
82
77

High Clouds (% Sky Obscured)

61
44
49
30
55
46
42
74
98
95
66
60
55
37
29
37
1
0
0
1
2
16
4
12

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
3
0
6
4
2
3
0
1
2
6
10
12
7
5
6
23
38
29
35
52

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
15
15
15
14
15
16
16
17
17
17
16
16
16
15
15
15
15
15
16
16
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
84
87
87
87
90
88
83
83
81
81
85
81
80
81
81
81
84
79
79
83
83
84

Pressure (mb)

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

Ozone (du)

291
289
288
287
286
286
287
288
289
288
289
290
292
293
294
294
294
295
296
298
301
305
306
307

Monday 15

Waning Crescent 12%

04:51

13:15

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
15 Bad
16 OK

Sun - Rise: 08:11, Set: 15:54, Transit: 12:03. Moon - Rise: 04:51, Set: 13:15. Civil Dark: 16:35 - 07:30. Nautical Dark: 17:19 - 06:46. Astro Dark: 18:00 - 06:04

Total Clouds (% Sky Obscured)

91
95
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
67
29

Low Clouds (% Sky Obscured)

81
81
81
79
85
92
99
88
78
67
53
39
29
21
8
6
5
10
1
1
1
1
0
0

Medium Clouds (% Sky Obscured)

74
82
89
100
100
100
100
96
91
88
91
95
98
99
99
100
100
100
100
100
99
99
65
25

High Clouds (% Sky Obscured)

1
9
0
5
36
65
90
94
97
100
98
96
94
77
61
45
47
49
51
56
21
24
30
9

ISS Passover

Visibility (miles)

9
9
3
4
2
5
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
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

Precipitation Probability (%)

54
91
95
95
95
91
92
95
82
54
46
38
28
28
24
12
12
8
3
3
2
2
2
0

Precipitation Amount (mm)

0
0.6
1.1
0.9
0.6
0.4
0.5
0.7
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
12
13
10
9
4
8
7
5
3
3
3
3
3
3
3
3
4
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
90
90
91
90
90
90
91
90
90
90
90
90
90
88
87
88
84
81
79
82
85
90

Pressure (mb)

1003
1003
1003
1003
1003
1004
1005
1006
1006
1007
1008
1008
1009
1010
1011
1012
1013
1013
1014
1014
1014
1015
1015
1016

Ozone (du)

309
313
314
312
308
306
304
302
297
296
295
296
294
296
303
311
319
328
338
340
341
341
343
344

Tuesday 16

Waning Crescent 7%

06:05

13:36

17 Good
18 OK
19 OK
20 OK
21 OK
22 OK
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
15 Bad
16 Bad

Sun - Rise: 08:12, Set: 15:54, Transit: 12:03. Moon - Rise: 06:05, Set: 13:36. Civil Dark: 16:35 - 07:31. Nautical Dark: 17:19 - 06:47. Astro Dark: 18:01 - 06:05

Total Clouds (% Sky Obscured)

1
9
16
26
29
34
40
50
68
76
83
95
100
100
100
100
100
100
100
100
100
100
96
92

Low Clouds (% Sky Obscured)

0
8
16
26
22
17
12
8
4
0
0
0
0
24
38
52
60
66
74
82
91
100
93
86

Medium Clouds (% Sky Obscured)

1
2
0
0
0
0
0
0
0
0
17
32
87
97
93
89
93
97
100
94
90
85
62
38

High Clouds (% Sky Obscured)

0
0
0
1
8
15
31
40
64
61
72
95
100
100
100
100
100
100
100
100
100
100
78
57

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
12
26
42
56
70
74
71
58
43
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
3
3
3
3
3
4
4
4
5
5
5
6
9
10
12
13
15
16
17
17
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
89
89
89
89
91
93
93
94
93
91
89
88
85
82
84
84
85
84
85
85
85

Pressure (mb)

1017
1018
1018
1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1016
1015
1015
1014
1013
1013
1012
1012
1011
1011

Ozone (du)

350
354
352
342
339
335
329
324
319
315
312
310
306
306
304
303
302
300
299
298
297
295
293
294

Wednesday 17

Waning Crescent 3%

07:17

14:04

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
15 Bad
16 Bad

Sun - Rise: 08:13, Set: 15:55, Transit: 12:04. Moon - Rise: 07:17, Set: 14:04. Civil Dark: 16:36 - 07:31. Nautical Dark: 17:20 - 06:47. Astro Dark: 18:01 - 06:06

Total Clouds (% Sky Obscured)

87
68
51
33
69
84
100
97
92
84
75
66
59
66
75
82
78
66
64
72
87
100
100
100

Low Clouds (% Sky Obscured)

79
62
45
33
45
51
67
65
61
59
46
34
20
34
44
52
51
45
42
51
63
75
71
67

Medium Clouds (% Sky Obscured)

14
11
12
12
15
20
40
45
55
55
37
16
1
18
38
56
65
66
64
64
65
70
83
92

High Clouds (% Sky Obscured)

30
25
20
13
32
55
78
53
30
8
12
11
20
27
31
35
34
39
59
72
87
100
100
100

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

20
26
32
33
35
38
27
24
20
13
9
2
0
1
5
12
37
53
67
61
47
16
35
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0

Wind Speed/Direction (mph)

15
14
14
13
13
13
12
12
10
9
8
6
5
5
6
6
7
9
12
14
14
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
91
91
93
93
93
93
91
90
90
88
88
87
85
84
87
90
91
85
80
76
78

Pressure (mb)

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

Ozone (du)

294
295
297
298
300
300
300
300
302
304
306
305
305
304
303
302
300
297
294
291
289
287
285
283

Thursday 18

Waning Crescent 1%

08:22

14:45

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: 08:13, Set: 15:55, Transit: 12:04. Moon - Rise: 08:22, Set: 14:45. Civil Dark: 16:36 - 07:32. Nautical Dark: 17:20 - 06:48. Astro Dark: 18:01 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
98
94
91
94
97
100

Low Clouds (% Sky Obscured)

64
71
79
88
90
93
94
79
63
39
28
25
22
35
51
69
77
83
91

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
96
95
70
46
12
10
7
5
34
62
91

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
70
41
13
37
60
80

ISS Passover

Visibility (miles)

6
4
4
5
5
7
8
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

Precipitation Type

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

Precipitation Probability (%)

77
95
95
95
95
95
95
95
95
95
80
58
37
49
50
41
40
39
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
19
20
20
20
20
19
20
20
20
20
21
21
22
22
21
21
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
87
90
90
87
83
80
77
76
74
73
73
71
75
79
84
84
82

Pressure (mb)

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

Ozone (du)

281
279
281
284
286
298
310
322
331
340
349
353
358
363
373
383
393
390
388

Forecast for Henley in Arden, Warwickshire, United Kingdom (52.29,-1.78)

Generated: 12/12/25 17:03:51. Forecast: 12/12/25 to 18/12/25. Timezone: UTC+0.00