Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

First Quarter 52%

13:31

00:30

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
17 Bad
18 Bad

Sun - Rise: 07:57, Set: 16:23, Transit: 12:10. Moon - Rise: 13:31, Set: 00:30. Civil Dark: 17:00 - 07:20. Nautical Dark: 17:41 - 06:39. Astro Dark: 18:20 - 06:00

Total Clouds (% Sky Obscured)

72
78
83
100
100
100
100
100
100
100
100
100
62
60
50
59
50
51
57
75
46
53
48
54

Low Clouds (% Sky Obscured)

48
48
55
63
72
100
71
82
75
55
53
58
60
60
50
59
50
51
57
63
46
53
45
51

Medium Clouds (% Sky Obscured)

72
78
83
100
100
57
82
100
95
100
100
55
2
1
0
0
0
0
2
27
4
2
1
2

High Clouds (% Sky Obscured)

72
78
83
100
32
82
80
100
100
100
100
83
60
3
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
9
8
5
9
9
8
3
2
4
9
8
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

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

Precipitation Probability (%)

70
94
95
95
95
95
95
95
95
95
40
27
25
21
15
19
16
20
28
31
46
26
20
6

Precipitation Amount (mm)

0.4
0.6
1
0.7
0.7
0.9
1.9
3.7
1.4
0.6
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

16
20
24
29
29
28
27
23
20
16
18
19
20
20
19
18
18
17
16
16
17
18
23
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
10
10
10
10
11
10
9
7
7
6
5
4
4
4
4
4
4
5
5
5
4
4

Relative Humidity (%)

86
87
86
90
90
90
93
91
88
80
81
76
76
70
68
67
67
66
68
72
73
74
73
69

Pressure (mb)

1010
1010
1009
1008
1007
1006
1005
1004
1003
1002
1003
1003
1004
1004
1005
1005
1005
1005
1005
1006
1006
1007
1008
1009

Ozone (du)

286
289
290
293
299
301
299
300
300
301
306
310
318
326
333
333
336
340
342
344
346
345
341
340

Saturday 29

Waxing Gibbous 66%

13:45

01:50

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

Sun - Rise: 07:59, Set: 16:23, Transit: 12:11. Moon - Rise: 13:45, 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)

45
27
11
1
5
14
32
42
16
12
52
61
81
88
84
93
100
90
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
27
11
0
4
14
32
42
16
12
52
61
55
83
39
35
85
1
19
47
32
60
98
91

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
46
9
53
64
39
78
78
87
74
82
96
100

High Clouds (% Sky Obscured)

0
4
0
0
0
0
0
0
0
0
0
0
5
50
57
69
100
20
100
100
100
100
81
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 (%)

5
2
1
0
0
0
0
0
0
2
4
3
7
17
21
22
24
13
21
23
5
4
15
40

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)

25
24
23
21
19
18
16
14
14
12
14
12
11
12
11
12
14
17
18
18
18
17
19
22

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
10
10
10
10
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
64
63
65
65
65
67
68
68
67
68
68
67
69
70
70
68
68
67
68
68
67
67
71

Pressure (mb)

1010
1011
1012
1013
1014
1015
1015
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1016
1016
1016
1015
1014

Ozone (du)

339
336
337
340
342
342
343
342
333
329
326
322
320
317
316
313
309
304
301
297
295
294
290
286

Sunday 30

Waxing Gibbous 77%

14:01

03:13

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
17 Bad
18 Bad

Sun - Rise: 08:00, Set: 16:22, Transit: 12:11. Moon - Rise: 14:01, Set: 03:13. Civil Dark: 17:00 - 07:22. Nautical Dark: 17:40 - 06:42. Astro Dark: 18:19 - 06:02

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
99

Low Clouds (% Sky Obscured)

88
96
96
97
99
100
99
93
92
91
80
70
68
81
61
73
55
62
70
78
72
65
58
56

Medium Clouds (% Sky Obscured)

99
94
100
93
100
97
97
100
100
100
100
100
100
85
100
81
100
83
100
100
100
100
100
98

High Clouds (% Sky Obscured)

100
77
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
87
74
61
77
88
100
83

ISS Passover

Visibility (miles)

9
9
8
4
4
3
5
5
4
3
9
9
9
9
9
9
9
9
9
9
9
9
4
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
3
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

76
91
95
95
95
95
95
95
95
95
57
31
22
14
43
38
50
85
88
95
95
95
95
76

Precipitation Amount (mm)

0.4
0.6
1.1
1.2
1
1.1
0.9
1.2
1.6
1.2
0
0
0
0
0
0
0
0.6
0.5
1.1
0.7
0.7
1
0.3

Wind Speed/Direction (mph)

24
26
28
30
29
31
30
29
29
30
30
31
32
32
30
32
32
32
27
25
24
24
23
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
80
83
88
88
90
92
92
92
92
93
92
92
93
93
93
93
93
93
92
93
93
92

Pressure (mb)

1014
1013
1012
1011
1010
1009
1007
1006
1005
1004
1004
1003
1003
1002
1002
1001
1000
999
998
997
996
996
995
995

Ozone (du)

282
279
275
271
267
268
266
265
264
264
263
262
261
261
263
263
263
264
266
267
269
269
268
269

Monday 1

Waxing Gibbous 86%

14:20

04:41

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
17 Bad
18 Bad

Sun - Rise: 08:01, Set: 16:22, Transit: 12:11. Moon - Rise: 14:20, Set: 04:41. Civil Dark: 16:59 - 07:24. Nautical Dark: 17:40 - 06:43. Astro Dark: 18:19 - 06:04

Total Clouds (% Sky Obscured)

99
98
99
99
100
100
100
100
89
74
69
65
62
58
53
53
49
71
85
100
98
95
93
96

Low Clouds (% Sky Obscured)

54
52
52
50
50
55
60
62
64
55
64
63
58
46
29
25
21
28
36
43
43
43
44
47

Medium Clouds (% Sky Obscured)

94
75
96
98
100
100
100
100
89
62
69
65
62
58
53
53
49
71
85
95
90
81
76
83

High Clouds (% Sky Obscured)

24
0
19
37
50
50
55
70
50
21
8
30
0
0
1
1
1
16
30
55
61
51
42
51

ISS Passover

Visibility (miles)

9
3
5
3
7
9
9
9
9
9
7
7
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
Very 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
None

Precipitation Probability (%)

72
74
77
60
43
33
48
49
44
49
49
35
32
22
27
33
32
34
37
41
40
38
35
32

Precipitation Amount (mm)

0.3
0.3
0.4
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)

24
23
21
20
19
19
20
21
22
21
22
22
22
23
22
23
23
23
22
21
21
19
18
17

Chance of Frost

Temperature (°C)

12
12
12
11
11
10
10
10
10
10
10
10
10
10
10
10
11
11
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
87
90
85
81
78
84
77
78
77
76
73
69
68
67
66
67
69
69
69
71
73
72

Pressure (mb)

994
993
994
994
995
995
995
996
997
997
998
999
999
1000
1001
1002
1002
1002
1003
1003
1003
1004
1005
1005

Ozone (du)

271
274
280
289
298
308
312
311
314
315
316
317
317
316
315
316
316
315
315
314
314
313
313
319

Tuesday 2

Waxing Gibbous 94%

14:46

06:14

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 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:02, Set: 16:21, Transit: 12:12. Moon - Rise: 14:46, Set: 06:14. Civil Dark: 16:59 - 07:25. Nautical Dark: 17:40 - 06:44. Astro Dark: 18:19 - 06:05

Total Clouds (% Sky Obscured)

74
98
93
85
68
42
24
4
16
29
42
53
42
28
42
51
61
68
77
86
89
93
96
97

Low Clouds (% Sky Obscured)

47
45
43
42
39
26
15
3
15
28
42
14
21
27
30
33
37
37
40
43
49
52
53
54

Medium Clouds (% Sky Obscured)

56
95
82
64
21
6
2
3
1
6
5
7
4
0
7
13
18
24
28
31
50
71
88
90

High Clouds (% Sky Obscured)

73
85
68
54
35
23
12
0
0
0
0
15
13
1
4
7
15
19
23
26
40
51
66
72

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
9
9
9
9
8
8
8
8
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
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
25
35
32
25
35
41
56
53
43
18
28
21
16
14
12
14
15
15
17
20
20
24
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
72
72
72
72
72
72
72
73
73
74
74
73
73
73
72
72
69
71
72
73
74
76
76

Pressure (mb)

1006
1007
1007
1008
1008
1009
1009
1009
1010
1010
1010
1011
1010
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008

Ozone (du)

324
329
330
326
324
323
320
319
315
310
308
307
307
306
306
306
306
305
307
308
309
309
309
310

Wednesday 3

Waxing Gibbous 98%

15:23

07:47

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
17 Bad
18 Bad

Sun - Rise: 08:04, Set: 16:21, Transit: 12:12. Moon - Rise: 15:23, Set: 07:47. Civil Dark: 16:58 - 07:26. Nautical Dark: 17:40 - 06:45. Astro Dark: 18:19 - 06:06

Total Clouds (% Sky Obscured)

97
98
99
99
100
100
100
100
100
100
100
89
79
69
74
80
85
71
58
45
49
51
54
57

Low Clouds (% Sky Obscured)

55
55
64
74
81
88
94
100
81
63
44
44
44
45
54
63
65
51
37
23
23
24
29
35

Medium Clouds (% Sky Obscured)

90
94
90
89
88
92
96
100
99
98
96
79
61
43
41
39
45
40
31
14
25
37
48
48

High Clouds (% Sky Obscured)

84
98
99
99
100
100
100
100
100
100
100
72
44
15
10
5
0
0
0
0
2
3
4
2

ISS Passover

Visibility (miles)

8
9
9
9
9
9
7
4
2
1
1
1
2
4
5
7
8
9
8
7
6
7
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
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
None

Precipitation Probability (%)

19
16
26
36
49
80
95
95
95
95
95
95
95
86
75
63
52
52
50
51
44
38
35
31

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.7
1.4
2
2.2
1.9
1.5
1.2
0.5
0.4
0.3
0
0
0
0.2
0
0
0
0

Wind Speed/Direction (mph)

17
18
20
22
23
25
26
27
28
18
12
11
14
19
24
23
21
21
20
19
19
17
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
5
6
6
7
7
7
7
8
8
8
7
6
5
5
4
4
3
3
3
3
2
2

Relative Humidity (%)

74
73
72
73
76
78
80
81
82
85
88
91
87
82
78
77
74
72
69
68
65
65
65
65

Pressure (mb)

1007
1006
1005
1003
1002
1000
998
996
994
993
992
990
992
993
995
995
995
996
996
996
996
996
996
996

Ozone (du)

309
309
308
311
314
317
320
324
327
335
342
349
352
355
358
373
389
404
402
401
399
400
400
401

Thursday 4

Full Moon 100%

16:17

09:12

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: 08:05, Set: 16:20, Transit: 12:13. Moon - Rise: 16:17, Set: 09:12. Civil Dark: 16:58 - 07:27. Nautical Dark: 17:39 - 06:46. Astro Dark: 18:19 - 06:07

Total Clouds (% Sky Obscured)

62
68
51
35
19
30
40
51
66
81
95
96
98
100
100
100
100

Low Clouds (% Sky Obscured)

39
43
47
35
19
30
37
37
45
53
62
51
41
31
40
52
62

Medium Clouds (% Sky Obscured)

49
51
36
19
3
11
23
33
46
56
64
73
85
100
100
100
100

High Clouds (% Sky Obscured)

2
2
1
1
0
1
2
2
19
36
58
84
95
100
100
100
100

ISS Passover

Visibility (miles)

9
8
8
8
9
9
7
5
4
5
6
8
8
9
9
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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

34
37
38
37
36
36
39
47
49
49
45
39
31
23
24
30
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
13
13
13
13
13
14
15
15
15
16
15
15
16
18
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
73
78
78
77
77
78
81
82
81
81
81
80
80
78
81
84

Pressure (mb)

997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997

Ozone (du)

396
391
385
378
370
363
355
347
339
332
326
320
314
308
302
299
295

Forecast for Penzance, Cornwall, United Kingdom (50.12,-5.54)

Generated: 28/11/25 19:17:49. Forecast: 28/11/25 to 04/12/25. Timezone: UTC+0.00