Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 56%

00:29

10:37

06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
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

Sun - Rise: 08:08, Set: 16:53, Transit: 12:31. Moon - Rise: 00:29, Set: 10:37. Civil Dark: 17:30 - 07:32. Nautical Dark: 18:10 - 06:52. Astro Dark: 18:49 - 06:13

Total Clouds (% Sky Obscured)

22
41
52
58
56
44
59
54
72
76
62
1
5
1
5
5
13
33
93
100
74
87
100
100

Low Clouds (% Sky Obscured)

22
41
52
58
43
39
57
53
72
76
62
0
5
0
0
0
6
30
41
45
33
19
17
25

Medium Clouds (% Sky Obscured)

22
41
37
15
11
4
2
1
0
0
0
0
0
0
0
0
1
0
59
31
6
42
24
16

High Clouds (% Sky Obscured)

22
41
52
16
18
8
5
0
0
6
4
1
3
1
5
5
13
33
91
100
74
87
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
10
3
2
0
1
1
2
1
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)

3
2
2
3
9
10
10
10
10
10
9
8
8
7
8
8
9
9
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

6
6
6
6
7
8
8
8
8
8
7
7
6
6
6
6
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

4
4
3
3
4
4
4
4
3
3
4
3
3
2
3
3
3
3
3
3
3
2
2
3

Relative Humidity (%)

90
86
85
83
79
77
74
73
71
73
77
79
79
78
79
79
79
79
79
78
78
78
79
80

Pressure (mb)

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

Ozone (du)

337
335
340
346
352
352
351
350
350
351
349
348
348
345
348
345
346
346
346
345
346
347
349
348

Tuesday 21

Third Quarter 53%

01:39

10:49

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:07, Set: 16:55, Transit: 12:31. Moon - Rise: 01:39, Set: 10:49. Civil Dark: 17:31 - 07:31. Nautical Dark: 18:11 - 06:51. Astro Dark: 18:50 - 06:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
69
100
100
100
100
100
100
100
100
93
96
100
100
100
98
95
100
100
100

Low Clouds (% Sky Obscured)

33
40
44
42
49
50
64
62
76
58
51
67
58
53
64
53
39
39
37
43
47
40
35
20

Medium Clouds (% Sky Obscured)

21
35
16
70
61
17
58
100
100
100
100
100
100
100
88
85
76
84
88
84
89
98
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
58
92
100
97
100
100
100
100
100
48
70
100
100
97
53
28
96
100
91

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
2
10
13
12
13

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
3
4
16
19
20
26
19
19
19
11
12
24
13
9
7
7
6
5
5
5
5
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
84
81
82
81
81
80
78
78
79
82
82
82
82
84
85
85
87
90
93
93
93
88

Pressure (mb)

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

Ozone (du)

348
348
343
333
332
338
342
342
339
341
340
337
336
337
336
338
326
320
320
317
316
317
323
328

Wednesday 22

Waning Crescent 46%

02:52

11:03

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

Sun - Rise: 08:06, Set: 16:56, Transit: 12:31. Moon - Rise: 02:52, Set: 11:03. Civil Dark: 17:33 - 07:30. Nautical Dark: 18:13 - 06:50. Astro Dark: 18:51 - 06:11

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
83
63
6
34
18
31
43
58
49
40
39
55
54
69
55
100

Low Clouds (% Sky Obscured)

11
49
54
46
36
54
40
34
22
44
1
34
18
31
43
58
49
40
39
35
30
28
26
24

Medium Clouds (% Sky Obscured)

100
96
96
98
61
64
65
60
60
55
2
0
0
0
0
0
0
1
3
5
46
19
30
55

High Clouds (% Sky Obscured)

88
80
100
100
100
100
100
100
43
35
0
0
0
0
0
0
0
1
2
20
25
50
42
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 (%)

18
12
6
6
2
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 (%)

4
2
1
1
1
1
1
1
1
1
1
1
4
6
18
17
14
1
3
9
18
24
25
25

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)

4
4
5
5
7
7
8
9
10
10
9
9
8
7
6
6
7
7
7
6
6
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
4
4
3
4
3
4
4
4
4
4
3
3
4
4
3
3
3
3
3
3
3

Relative Humidity (%)

86
88
88
88
83
79
78
74
75
75
84
88
90
88
88
90
90
86
85
88
88
88
88
88

Pressure (mb)

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

Ozone (du)

328
329
328
326
327
330
328
326
329
326
323
313
303
296
293
292
298
304
304
305
309
314
316
318

Thursday 23

Waning Crescent 37%

04:06

11:21

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:05, Set: 16:58, Transit: 12:32. Moon - Rise: 04:06, Set: 11:21. Civil Dark: 17:34 - 07:29. Nautical Dark: 18:14 - 06:49. Astro Dark: 18:53 - 06:10

Total Clouds (% Sky Obscured)

92
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
24
24
49
75
100
83
54
49
46
65
61
56
38
39
28
41
88
88
86
85
87
90
91

Medium Clouds (% Sky Obscured)

69
100
100
99
100
100
62
39
24
24
56
100
100
99
99
99
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

81
95
94
31
17
1
54
87
95
100
100
100
95
90
81
85
91
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

7
9
9
9
1
3
7
9
9
9
9
9
9
9
9
9
9
9
4
3
2
2
2
2

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

Precipitation Probability (%)

30
21
53
95
95
91
68
61
50
31
21
18
14
9
9
33
53
72
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
1.3
0.7
0.7
0.3
0.3
0.2
0
0
0
0
0
0
0
0.3
0.3
1
1.2
1.8
1.9
2.4
2.1

Wind Speed/Direction (mph)

8
10
11
13
17
16
19
18
18
19
16
14
11
8
7
6
11
16
22
25
29
33
34
36

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
81
82
79
87
87
84
78
74
76
75
74
78
79
79
81
81
81
88
93
90
91
95
93

Pressure (mb)

1007
1007
1007
1007
1006
1006
1007
1007
1007
1007
1008
1009
1009
1009
1008
1008
1006
1005
1003
1001
999
997
995
993

Ozone (du)

322
326
330
338
346
356
359
360
363
363
364
359
363
360
357
356
355
354
354
352
351
350
349
346

Friday 24

Waning Crescent 27%

05:18

11:45

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:04, Set: 17:00, Transit: 12:32. Moon - Rise: 05:18, Set: 11:45. Civil Dark: 17:36 - 07:28. Nautical Dark: 18:16 - 06:48. Astro Dark: 18:54 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
80
70
57
49
41
57
80
97

Low Clouds (% Sky Obscured)

93
95
97
78
27
7
14
23
29
36
41
45
55
46
41
29
26
23
27
35
41
57
69
77

Medium Clouds (% Sky Obscured)

100
99
99
99
97
100
90
98
54
93
39
43
37
53
64
62
59
60
49
35
24
43
70
97

High Clouds (% Sky Obscured)

90
78
69
61
57
60
70
77
90
93
97
100
100
100
100
88
80
70
57
43
25
27
25
15

ISS Passover

Visibility (miles)

3
5
7
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
85
54
22
4
9
8
6
95
95
95
95
78
63
49
33
22
45
65
71

Precipitation Amount (mm)

1.7
1.5
0.6
0.8
0.8
0.6
0.2
0
0
0
0
0
0.9
1.2
1.4
0.8
0.5
0.3
0
0
0
0
0.3
0.4

Wind Speed/Direction (mph)

37
35
31
29
23
18
15
15
13
12
10
8
5
12
17
21
20
19
18
18
18
18
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
9
7
7
6
6
5
3
2
0
-0
0
-1
-1
-1
0
1
2
3
4
4
4

Relative Humidity (%)

93
93
90
86
81
78
76
76
72
68
63
59
58
59
60
61
64
68
72
74
75
78
78
78

Pressure (mb)

992
992
992
993
994
995
997
997
998
999
999
1000
1001
1000
1000
999
999
999
999
999
999
999
999
999

Ozone (du)

342
342
343
342
340
340
341
340
339
340
347
352
357
362
368
373
375
377
379
383
387
391
394
396

Saturday 25

Waning Crescent 19%

No Rise

12:19

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
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: 17:01, Transit: 12:32. Moon - Rise: No Rise, Set: 12:19. Civil Dark: 17:37 - 07:27. Nautical Dark: 18:17 - 06:47. Astro Dark: 18:56 - 06:09

Total Clouds (% Sky Obscured)

83
68
63
73
82
88
85
81
78
82
81
76
60
53
47
47
59
67
71
74
82
70
58
48

Low Clouds (% Sky Obscured)

60
43
24
32
47
62
50
40
28
29
30
29
34
37
38
42
47
52
48
38
31
37
48
48

Medium Clouds (% Sky Obscured)

78
59
42
45
49
59
62
61
60
50
21
15
24
38
46
46
43
42
49
60
70
47
24
2

High Clouds (% Sky Obscured)

4
2
0
29
58
87
85
81
78
82
81
76
52
23
9
5
6
7
4
1
0
1
3
6

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

53
25
2
13
23
30
32
30
26
17
9
0
20
57
85
85
71
44
40
40
43
42
43
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
19
17
16
16
17
18
16
14
13
10
8
7
5
5
7
7
7
8
10
12
15
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
74
72
70
70
69
69
69
67
67
69
72
73
80
86
94
91
89
86
83
83
80
79
79

Pressure (mb)

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

Ozone (du)

398
399
399
399
403
407
411
416
421
427
425
423
422
420
418
416
412
409
405
401
397
393
387
382

Sunday 26

Waning Crescent 11%

06:24

13:08

Sun - Rise: 08:01, Set: 17:03, Transit: 12:32. Moon - Rise: 06:24, Set: 13:08. Civil Dark: 17:39 - 07:26. Nautical Dark: 18:19 - 06:46. Astro Dark: 18:57 - 06:08

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 Mawgan Porth, Cornwall, United Kingdom (50.46,-5.03)

Generated: 20/01/25 06:47:29. Forecast: 20/01/25 to 26/01/25. Timezone: UTC+0.00