Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Crescent 45%

13:03

23:12

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
12 Bad

Sun - Rise: 07:56, Set: 16:24, Transit: 12:10. Moon - Rise: 13:03, Set: 23:12. Civil Dark: 17:01 - 07:18. Nautical Dark: 17:42 - 06:38. Astro Dark: 18:21 - 05:59

Total Clouds (% Sky Obscured)

99
96
98
100
56
58
91
86
96
98
100
100
100
100
100
100
100
38
65
63
62
81
96
79

Low Clouds (% Sky Obscured)

75
83
86
100
48
45
62
18
32
40
0
34
47
48
9
62
10
36
50
43
42
55
49
56

Medium Clouds (% Sky Obscured)

22
0
93
60
8
21
0
42
69
47
48
93
100
100
100
68
0
0
19
62
61
36
51
36

High Clouds (% Sky Obscured)

88
10
11
8
47
5
34
58
78
97
92
61
100
100
100
100
100
2
0
5
0
12
83
75

ISS Passover

Visibility (miles)

4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
8

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
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
55
16
2
0
0
0
0
0
4
3
3
15
16
17
21
21
10
15
43
53
40

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

22
21
22
20
20
18
16
18
15
15
17
16
16
18
17
16
18
20
22
23
25
26
28
29

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
12
12
12
12
12
12
11
12
12
12
12
12
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
93
92
93
92
87
86
86
86
83
83
83
83
80
81
80
79
81
81
77
79
80
81
83

Pressure (mb)

1013
1013
1013
1013
1013
1014
1015
1015
1015
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1012

Ozone (du)

247
247
249
250
250
251
253
255
258
259
262
265
264
263
263
266
268
269
271
275
277
277
279
279

Friday 28

First Quarter 55%

13:17

00:30

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
12 Bad

Sun - Rise: 07:57, Set: 16:24, Transit: 12:10. Moon - Rise: 13:17, Set: 00:30. Civil Dark: 17:01 - 07:20. Nautical Dark: 17:41 - 06:39. Astro Dark: 18:20 - 06:00

Total Clouds (% Sky Obscured)

59
49
51
100
100
100
99
100
100
100
100
98
100
100
100
100
100
100
100
95
100
100
100
50

Low Clouds (% Sky Obscured)

55
41
37
29
39
52
25
27
55
75
61
54
91
78
83
99
91
100
79
77
89
64
68
50

Medium Clouds (% Sky Obscured)

0
0
28
100
100
100
98
100
100
100
97
69
88
93
100
100
100
100
100
84
86
55
0
0

High Clouds (% Sky Obscured)

59
49
10
100
64
95
96
100
100
100
100
60
100
95
100
100
100
100
100
80
100
96
97
5

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

22
12
0
0
0
1
22
22
51
62
70
84
95
95
95
95
95
95
95
53
44
40
8
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.9
1.3
2.1
1.1
1.3
1
0.7
0
0
0
0
0

Wind Speed/Direction (mph)

28
26
25
23
20
18
18
16
16
18
20
25
28
28
29
26
23
21
21
19
19
20
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
80
73
68
68
71
71
77
81
83
86
86
87
90
93
93
87
87
81
80
77
74
69
64

Pressure (mb)

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

Ozone (du)

281
281
283
285
286
287
291
293
297
300
301
301
300
301
301
305
309
312
316
320
328
338
338
343

Saturday 29

Waxing Gibbous 66%

13:31

01:50

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
12 Bad

Sun - Rise: 07:58, Set: 16:23, Transit: 12:10. Moon - Rise: 13:31, Set: 01:50. Civil Dark: 17:00 - 07:21. Nautical Dark: 17:41 - 06:40. Astro Dark: 18:20 - 06:01

Total Clouds (% Sky Obscured)

43
48
48
57
67
73
82
86
45
37
41
45
45
56
55
61
72
55
54
56
55
77
78
79

Low Clouds (% Sky Obscured)

43
48
48
57
56
65
66
49
36
34
39
41
40
49
47
48
64
55
49
41
45
48
52
49

Medium Clouds (% Sky Obscured)

1
0
0
11
22
17
27
40
4
1
3
4
0
0
0
0
14
22
31
39
36
33
27
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
61
55
57

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

25
27
33
42
45
51
46
44
50
53
60
50
36
40
32
9
17
20
22
28
24
17
14
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
18
18
19
19
21
22
22
24
24
24
23
21
20
20
19
18
16
15
14
14
14
15
15

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
66
67
70
74
73
73
70
72
73
74
75
74
69
68
63
63
67
68
68
68
67
64
64

Pressure (mb)

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

Ozone (du)

343
343
345
347
346
346
346
349
350
348
344
343
346
344
338
331
331
329
325
322
322
321
317
314

Sunday 30

Waxing Gibbous 77%

13:45

03:13

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
12 Bad

Sun - Rise: 08:00, Set: 16:22, Transit: 12:11. Moon - Rise: 13:45, Set: 03:13. Civil Dark: 17:00 - 07:22. Nautical Dark: 17:40 - 06:41. Astro Dark: 18:19 - 06:02

Total Clouds (% Sky Obscured)

79
82
88
93
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96

Low Clouds (% Sky Obscured)

46
43
52
60
65
60
54
48
65
80
91
92
94
95
94
93
92
77
61
45
51
54
56
48

Medium Clouds (% Sky Obscured)

17
0
25
39
48
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88

High Clouds (% Sky Obscured)

64
71
79
89
84
85
100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
81
71
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
2
3
2
2
1
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

20
17
5
4
7
5
3
9
19
45
72
95
95
95
95
95
95
95
95
95
95
91
47
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.8
1.2
2
2.2
2.4
1.9
1.1
1.7
2.3
1.3
0.5
0
0

Wind Speed/Direction (mph)

14
13
12
11
11
11
12
14
17
20
23
26
28
31
33
32
32
31
27
24
23
23
23
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
4
4
5
5
6
7
8
9
10
10
11
12
12
12
11
11
10
10

Relative Humidity (%)

64
66
67
66
64
66
68
70
71
72
73
78
85
88
91
93
95
95
95
96
92
92
89
89

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1013
1012
1011
1010
1008
1006
1005
1003
1001
1000
998
997
997
996
996
996
994

Ozone (du)

308
305
304
299
292
286
282
280
278
275
270
267
265
264
263
262
260
260
258
260
263
266
269
271

Monday 1

Waxing Gibbous 86%

14:00

04:41

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
12 Bad

Sun - Rise: 08:01, Set: 16:22, Transit: 12:11. Moon - Rise: 14:00, Set: 04:41. Civil Dark: 16:59 - 07:23. Nautical Dark: 17:40 - 06:42. Astro Dark: 18:19 - 06:03

Total Clouds (% Sky Obscured)

91
83
77
69
31
38
39
32
61
86
100
100
100
100
96
91
83
87
93
100
94
89
86
85

Low Clouds (% Sky Obscured)

58
60
57
42
31
38
37
32
35
41
48
59
70
80
71
62
53
49
47
45
44
46
42
41

Medium Clouds (% Sky Obscured)

76
63
58
60
0
0
3
3
50
86
100
87
72
53
56
64
73
81
86
90
89
86
83
80

High Clouds (% Sky Obscured)

31
16
21
5
0
0
0
0
27
43
100
93
83
73
53
53
60
70
67
55
67
79
82
68

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
77
65
49
52
44
32
22
33
44
61
92
87
90
86
76
64
58
55
57
56
55
57
56

Precipitation Amount (mm)

0.9
0.3
0.3
0
0.2
0
0
0
0
0
0.2
0.6
0.5
0.7
0.6
0.4
0.3
0.2
0.2
0.3
0.2
0.2
0.2
0.2

Wind Speed/Direction (mph)

26
28
24
24
24
24
23
22
22
22
22
22
21
20
19
18
17
16
15
15
16
17
19
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
9
7
6
7
7
6
6
5
5
5
5
5
5
5
5
4
4
4
4
4
4
4
4

Relative Humidity (%)

90
87
83
74
77
77
74
72
69
72
73
73
73
74
74
73
72
70
70
69
68
68
68
67

Pressure (mb)

994
995
995
996
996
997
997
998
998
998
999
999
998
998
998
998
998
998
998
998
998
999
999
999

Ozone (du)

273
278
289
303
308
318
321
322
322
322
324
328
328
329
329
329
328
328
329
330
331
328
325
323

Tuesday 2

Waxing Gibbous 94%

14:19

06:13

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 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:02, Set: 16:21, Transit: 12:11. Moon - Rise: 14:19, Set: 06:13. Civil Dark: 16:59 - 07:24. Nautical Dark: 17:40 - 06:43. Astro Dark: 18:19 - 06:04

Total Clouds (% Sky Obscured)

87
88
93
94
92
97
99
100
85
69
51
44
39
33
33
34
34
56
78
100
91
82
73
70

Low Clouds (% Sky Obscured)

43
43
41
38
35
46
55
66
58
51
43
39
36
33
33
34
34
46
57
69
66
58
43
34

Medium Clouds (% Sky Obscured)

74
68
67
72
76
80
85
90
69
46
23
22
20
19
22
27
27
25
20
25
38
47
52
50

High Clouds (% Sky Obscured)

61
55
62
68
83
81
80
83
69
46
16
11
11
9
12
8
0
28
60
97
67
33
0
0

ISS Passover

Visibility (miles)

8
9
9
8
6
4
5
6
8
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

55
53
52
52
60
67
72
77
65
54
45
37
33
32
30
23
6
22
28
38
45
51
52
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
21
21
21
20
19
17
16
14
14
15
16
16
16
16
16
15
15
14
14
14
14
14
14

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
9
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
68
68
72
77
81
78
76
73
74
74
74
74
73
72
73
73
73
73
73
73
73
71
69

Pressure (mb)

999
999
999
999
1000
1000
1001
1002
1003
1004
1004
1005
1006
1007
1008
1008
1009
1009
1010
1011
1011
1012
1012
1012

Ozone (du)

324
325
325
326
326
326
327
328
328
329
330
331
329
328
326
323
320
316
318
320
321
319
316
314

Wednesday 3

Waxing Gibbous 98%

14:45

07:47

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

Sun - Rise: 08:03, Set: 16:21, Transit: 12:12. Moon - Rise: 14:45, Set: 07:47. Civil Dark: 16:58 - 07:26. Nautical Dark: 17:39 - 06:44. Astro Dark: 18:19 - 06:05

Total Clouds (% Sky Obscured)

69
80
88
90
89
93
96
96
97
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

26
24
30
37
43
49
56
60
58
54
47
58
71
84
90
95
100

Medium Clouds (% Sky Obscured)

47
44
38
43
43
53
61
73
82
91
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
5
10
10
15
21
21
27
54
77
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

34
22
19
19
25
39
48
56
83
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.5
0.9
1.6
1.8
1.7
1.2
1.1
1.2
1.7

Wind Speed/Direction (mph)

16
17
18
20
21
22
22
23
24
24
25
26
26
26
28
29
30

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
11
11
11
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
72
76
78
81
85
87
90
90
93
95
91
85
82
78
72

Pressure (mb)

1012
1011
1011
1011
1010
1010
1009
1008
1006
1005
1003
1001
1000
998
997
996
994

Ozone (du)

311
308
305
304
303
301
302
303
304
310
317
324
331
338
345
356
367

Forecast for Marazion, Cornwall, United Kingdom (50.13,-5.46)

Generated: 27/11/25 13:44:06. Forecast: 27/11/25 to 03/12/25. Timezone: UTC+0.00