Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waning Crescent 35%

No Rise

11:44

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:16, Set: 16:44, Transit: 12:30. Moon - Rise: No Rise, Set: 11:44. Civil Dark: 17:21 - 07:39. Nautical Dark: 18:02 - 06:58. Astro Dark: 18:40 - 06:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
100
69
77
74
52
100
100
100
91
66
77
61
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
48
67
58
72
60
60
55
63
55
47
69
67
71
62
50
47
55
64
77
80
81
68
60

Medium Clouds (% Sky Obscured)

11
63
100
90
93
88
100
39
22
28
0
0
1
57
71
17
30
0
5
0
14
48
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
95
85
69
70
70
52
100
100
99
83
31
0
61
97
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
52
61
51
58
43
38
24
21
16
1
17
29
13
6
3
2
1
2
5
6
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

22
22
21
22
22
22
22
22
22
23
22
21
19
17
15
14
12
13
12
12
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
91
91
90
85
87
86
88
88
88
90
91
91
93
93
93
95
93
95
95
95
95
95

Pressure (mb)

1001
1001
1000
1000
1000
1000
1000
1000
1001
1001
1001
1001
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1002
1002

Ozone (du)

320
322
322
320
318
316
317
318
324
329
331
332
333
333
333
335
338
336
333
333
331
332
331
334

Tuesday 13

Waning Crescent 26%

03:56

12:05

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:15, Set: 16:45, Transit: 12:30. Moon - Rise: 03:56, Set: 12:05. Civil Dark: 17:22 - 07:38. Nautical Dark: 18:03 - 06:58. Astro Dark: 18:42 - 06:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
85
89
99
89
73
75
69
92
92
86
83
82

Low Clouds (% Sky Obscured)

62
64
59
56
75
91
87
82
75
78
82
63
65
78
80
76
73
75
69
92
92
83
78
82

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
64
46
25
17
0
0
0
24
34
31
35
34

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
65
47
73
19
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
7
3
2
2
5
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
70
15
6
2
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

33
35
52
93
95
95
95
95
95
95
85
75
50
32
32
24
27
19
25
32
19
4
1
0

Precipitation Amount (mm)

0
0
0
0.4
1.7
2.3
2.1
1.1
0.7
0.6
0.5
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
10
10
9
9
12
19
19
19
16
16
14
12
11
12
12
11
10
9
10
13
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
90
93
93
96
96
96
93
90
85
81
80
76
76
74
73
73
69
69
70
67
65
63
62

Pressure (mb)

1001
1001
1000
1000
999
999
999
1000
1000
1000
1000
1000
1001
1001
1002
1003
1003
1004
1005
1005
1006
1007
1007
1008

Ozone (du)

336
337
339
341
341
342
340
337
334
338
342
339
335
338
349
356
360
359
358
352
345
339
337
332

Wednesday 14

Waning Crescent 18%

05:06

12:33

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:15, Set: 16:47, Transit: 12:31. Moon - Rise: 05:06, Set: 12:33. Civil Dark: 17:24 - 07:38. Nautical Dark: 18:04 - 06:57. Astro Dark: 18:43 - 06:18

Total Clouds (% Sky Obscured)

86
92
73
72
100
97
100
100
96
59
93
100
100
91
100
99
75
54
71
86
100
72
71
70

Low Clouds (% Sky Obscured)

86
92
73
72
74
60
65
63
55
39
62
57
67
78
88
90
70
46
66
70
35
43
52
60

Medium Clouds (% Sky Obscured)

20
5
2
5
44
95
100
100
73
59
85
100
89
90
100
77
50
54
60
60
54
18
37
60

High Clouds (% Sky Obscured)

3
14
9
45
100
97
100
79
92
59
55
100
100
3
1
30
34
45
32
72
45
52
44
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
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
Light Rain
Light Rain
None
None
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
5
0
0
0
0
0
0
0
0
0
8
34
59
95
94
68
59
73
50
33
31
15
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
0.5
0
0
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
13
12
11
10
10
10
12
14
15
15
17
17
17
21
24
24
23
16
14
14
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
1
2
2
2
3
3
4
4
5
7
7
8
9
9
9
8
8
8

Relative Humidity (%)

61
61
62
63
64
64
65
66
64
67
67
69
73
74
78
85
88
91
91
93
91
87
88
88

Pressure (mb)

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

Ozone (du)

325
323
322
316
313
313
316
320
322
321
318
317
314
319
327
333
338
342
347
351
355
362
364
364

Thursday 15

Waning Crescent 11%

06:12

13:11

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
19 Bad
20 OK
21 Bad
22 OK
23 OK
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:14, Set: 16:48, Transit: 12:31. Moon - Rise: 06:12, Set: 13:11. Civil Dark: 17:25 - 07:37. Nautical Dark: 18:05 - 06:57. Astro Dark: 18:44 - 06:18

Total Clouds (% Sky Obscured)

75
100
100
100
100
100
100
100
100
93
85
75
80
86
93
83
58
32
35
33
30
35
44
79

Low Clouds (% Sky Obscured)

50
40
30
20
10
0
14
28
44
51
58
66
64
64
54
45
39
32
34
33
30
33
35
34

Medium Clouds (% Sky Obscured)

69
94
94
100
100
100
100
100
100
87
73
65
78
86
93
83
43
2
4
2
4
11
15
79

High Clouds (% Sky Obscured)

35
46
100
100
100
100
82
63
50
50
35
33
35
50
45
0
0
0
0
0
2
4
2
34

ISS Passover

Visibility (miles)

9
9
9
9
9
4
9
9
5
5
3
4
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
Very Light Rain
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
4
23
25
53
55
49
61
79
92
85
64
42
24
24
17
8
4
13
9
8
19
29
42

Precipitation Amount (mm)

0
0
0
0
0.2
0.2
0
0
0.4
0.6
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
8
7
6
4
3
4
4
6
9
10
11
13
12
13
13
12
11
12
12
12
12
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
91
91
91
85
84
88
93
93
90
88
87
82
82
77
75
75
77
77
77
77
79

Pressure (mb)

1005
1004
1004
1003
1003
1002
1001
1001
1000
1000
999
999
999
999
1000
1001
1001
1002
1002
1002
1003
1003
1002
1002

Ozone (du)

367
369
368
368
370
372
376
378
381
378
369
368
367
367
369
372
381
394
400
406
413
421
428
429

Friday 16

Waning Crescent 6%

07:09

14:02

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:13, Set: 16:50, Transit: 12:31. Moon - Rise: 07:09, Set: 14:02. Civil Dark: 17:26 - 07:36. Nautical Dark: 18:07 - 06:56. Astro Dark: 18:45 - 06:17

Total Clouds (% Sky Obscured)

76
74
57
52
68
62
69
74
81
77
70
66
66
66
63
93
93
92
92
93
95
92
89
86

Low Clouds (% Sky Obscured)

36
50
38
29
35
25
43
35
47
40
38
37
37
45
42
41
41
41
35
28
24
22
22
23

Medium Clouds (% Sky Obscured)

59
58
4
8
48
54
60
72
80
76
66
66
58
66
31
56
58
62
74
82
90
87
85
80

High Clouds (% Sky Obscured)

25
25
7
9
12
12
13
11
15
15
13
20
20
35
45
63
42
32
47
63
81
81
83
84

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

65
64
36
45
46
37
48
47
49
46
44
44
46
45
40
51
54
57
64
67
70
66
53
42

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
17
15
15
17
14
14
16
18
18
18
17
17
17
14
14
11
11
11
10
9
8
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
87
87
78
82
82
82
75
75
78
77
73
74
78
82
79
79
79
81
81
81
81
79
79

Pressure (mb)

1002
1002
1002
1001
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1000
1001
1001
1001
1001
1001
1001
1002

Ozone (du)

428
422
419
416
414
419
420
421
413
411
412
423
437
442
445
449
453
456
460
460
461
461
459
457

Saturday 17

Waning Crescent 2%

07:55

15:05

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:12, Set: 16:51, Transit: 12:32. Moon - Rise: 07:55, Set: 15:05. Civil Dark: 17:28 - 07:36. Nautical Dark: 18:08 - 06:55. Astro Dark: 18:47 - 06:17

Total Clouds (% Sky Obscured)

77
62
41
37
34
31
38
44
47
58
69
79
75
76
77
78
78
79
79
79
79
84
86
89

Low Clouds (% Sky Obscured)

34
41
41
37
34
31
36
41
47
55
63
70
61
54
47
47
48
50
54
62
79
82
86
89

Medium Clouds (% Sky Obscured)

55
35
15
13
11
16
16
9
0
5
8
14
25
47
70
75
78
79
79
79
70
65
52
40

High Clouds (% Sky Obscured)

68
54
37
28
15
0
0
0
0
0
0
0
0
0
7
8
6
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
4
4

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
Light Rain
Light Rain

Precipitation Probability (%)

40
34
24
25
21
17
21
19
6
9
11
9
8
9
7
10
14
13
36
60
82
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.7
0.9
1.1

Wind Speed/Direction (mph)

9
10
11
13
12
12
11
11
12
12
11
11
11
9
9
9
10
10
11
13
13
14
9
11

Chance of Frost

Temperature (°C)

8
8
8
8
8
7
7
7
8
8
8
8
8
7
7
7
7
7
8
8
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
77
75
78
79
81
78
74
70
71
70
70
73
73
74
77
78
79
82
87
90
88
88

Pressure (mb)

1002
1003
1003
1004
1004
1005
1006
1006
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007

Ozone (du)

454
448
441
434
430
426
422
421
420
419
418
418
417
419
420
422
425
429
433
435
438
440
436
432

Sunday 18

New Moon 0%

08:30

16:16

Sun - Rise: 08:11, Set: 16:53, Transit: 12:32. Moon - Rise: 08:30, Set: 16:16. Civil Dark: 17:29 - 07:35. Nautical Dark: 18:09 - 06:55. Astro Dark: 18:48 - 06:16

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

Generated: 12/01/26 03:17:21. Forecast: 12/01/26 to 18/01/26. Timezone: UTC+0.00