Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 19

Waxing Crescent 1%

08:55

17:33

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 OK
22 Bad
23 OK
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:10, Set: 16:54, Transit: 12:32. Moon - Rise: 08:55, Set: 17:33. Civil Dark: 17:31 - 07:34. Nautical Dark: 18:11 - 06:54. Astro Dark: 18:49 - 06:15

Total Clouds (% Sky Obscured)

48
60
66
68
85
87
92
96
97
99
98
99
94
76
52
39
29
31
43
35
69
100
100
100

Low Clouds (% Sky Obscured)

48
60
66
68
71
76
71
48
57
74
72
55
49
54
50
37
28
31
43
28
47
40
38
76

Medium Clouds (% Sky Obscured)

48
60
50
68
81
77
65
87
77
94
79
72
69
74
52
0
0
0
0
8
61
100
100
98

High Clouds (% Sky Obscured)

0
0
0
0
24
35
3
48
69
70
70
65
4
20
3
0
0
0
0
7
64
100
72
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
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 (%)

17
0
0
24
27
37
40
45
40
42
23
8
2
2
10
16
4
2
1
2
0
0
4
36

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
8
10
11
14
14
16
17
15
16
19
17
15
12
10
8
9
10
12
13
16
19
24
28

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
81
82
82
82
82
85
84
85
88
84
81
75
73
75
73
64
71
70
69
71
74
73

Pressure (mb)

1011
1010
1010
1010
1011
1010
1010
1010
1010
1009
1009
1010
1011
1011
1011
1012
1011
1011
1011
1010
1009
1008
1006
1004

Ozone (du)

340
344
344
343
344
346
349
351
352
349
346
341
341
339
339
340
343
347
344
344
343
339
333
331

Tuesday 20

Waxing Crescent 3%

09:15

18:50

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
03 Bad

Sun - Rise: 08:09, Set: 16:56, Transit: 12:32. Moon - Rise: 09:15, Set: 18:50. Civil Dark: 17:32 - 07:33. Nautical Dark: 18:12 - 06:53. Astro Dark: 18:50 - 06:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
41
53
70
90
75
60
63
72
57
92

Low Clouds (% Sky Obscured)

100
100
99
75
100
100
100
79
84
84
26
21
37
48
41
53
59
59
60
59
61
67
51
53

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
71
100
100
100
100
100
100
77
18
30
27
54
34
13
19
15
31
84

High Clouds (% Sky Obscured)

100
100
100
100
100
100
90
100
88
89
100
100
53
7
0
0
0
0
0
0
58
33
0
0

ISS Passover

Visibility (miles)

9
8
2
1
1
3
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
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

94
95
95
95
95
95
95
95
95
74
33
16
26
39
37
30
45
47
38
32
42
35
34
29

Precipitation Amount (mm)

0.7
2.3
2.9
3.4
3
2.5
2.3
1.5
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

31
34
35
31
30
31
27
28
21
20
17
18
20
21
21
22
21
20
18
16
15
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
81
88
91
93
93
91
87
81
77
74
78
80
81
81
80
80
78
77
77
79
84
78
78

Pressure (mb)

1002
1001
999
999
998
998
998
997
997
997
997
997
997
997
997
997
997
997
997
996
996
995
995
994

Ozone (du)

328
326
330
334
338
335
336
337
339
337
338
343
349
355
363
377
393
392
394
392
384
378
373
371

Wednesday 21

Waxing Crescent 8%

09:31

20:08

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
03 Bad

Sun - Rise: 08:08, Set: 16:57, Transit: 12:33. Moon - Rise: 09:31, Set: 20:08. Civil Dark: 17:33 - 07:32. Nautical Dark: 18:13 - 06:52. Astro Dark: 18:52 - 06:14

Total Clouds (% Sky Obscured)

89
73
100
70
96
100
100
100
96
99
84
100
100
100
99
97
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

48
47
58
38
54
69
100
100
96
99
63
64
60
47
59
62
72
71
62
42
48
55
61
59

Medium Clouds (% Sky Obscured)

83
44
100
70
94
74
57
57
44
78
39
100
100
100
96
87
75
86
100
100
67
73
77
81

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
38
39
55
71
100
100
59
52
52
43

ISS Passover

Visibility (miles)

9
9
9
8
3
7
8
9
9
9
9
8
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
39
50
95
87
72
90
95
69
57
61
74
75
59
46
28
33
31
25
39
21
39
35
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
16
17
19
22
21
24
18
22
22
20
15
14
11
10
10
9
8
5
6
7
8
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
1
2
3
3
6
5
5
6
8
6
6
6
6
6
6
7
6
5
5
3
2

Dew Point (°C)

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

Relative Humidity (%)

78
81
84
90
91
91
93
93
91
88
87
87
88
87
87
88
88
88
88
90
91
88
88
84

Pressure (mb)

992
991
989
988
986
984
982
981
980
979
978
977
977
977
977
977
977
978
978
979
979
980
981
982

Ozone (du)

368
368
372
366
366
370
367
365
363
362
361
362
370
374
372
369
366
363
362
364
366
366
368
368

Thursday 22

Waxing Crescent 15%

09:45

21:25

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
03 Bad

Sun - Rise: 08:07, Set: 16:59, Transit: 12:33. Moon - Rise: 09:45, Set: 21:25. Civil Dark: 17:35 - 07:31. Nautical Dark: 18:15 - 06:51. Astro Dark: 18:53 - 06:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
82
100
94
86
89
90
82
93
83
76
83
92
100
100
100
86
99

Low Clouds (% Sky Obscured)

57
56
52
48
44
53
63
71
68
61
54
50
50
52
49
52
54
47
58
51
67
83
86
86

Medium Clouds (% Sky Obscured)

87
99
71
47
22
14
21
22
80
30
27
25
23
25
24
48
75
80
90
100
100
100
35
40

High Clouds (% Sky Obscured)

38
56
97
100
56
57
55
52
98
66
65
86
74
67
82
70
55
70
56
50
100
50
65
50

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

31
21
36
27
8
21
31
45
57
60
60
48
38
41
36
30
31
26
38
74
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0
0
0
0
0
0
0
0.4
0.9
0.8
1.5
1.3

Wind Speed/Direction (mph)

10
10
9
7
7
6
7
8
10
11
12
14
14
15
17
16
15
15
12
12
15
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
78
75
75
71
68
77
74
69
72
76
74
78
79
77
78
77
78
78
88
91
85
74

Pressure (mb)

982
983
983
984
984
985
985
986
986
986
986
987
987
988
988
988
987
987
986
985
984
983
983
982

Ozone (du)

367
368
369
371
373
374
378
382
383
386
389
381
377
378
376
377
379
380
380
380
381
380
382
385

Friday 23

Waxing Crescent 24%

09:58

22:43

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
03 Bad

Sun - Rise: 08:06, Set: 17:01, Transit: 12:33. Moon - Rise: 09:58, Set: 22:43. Civil Dark: 17:36 - 07:30. Nautical Dark: 18:16 - 06:50. Astro Dark: 18:55 - 06:12

Total Clouds (% Sky Obscured)

92
76
100
100
85
100
100
100
99
81
100
100
100
90
97
98
100
91
84
77
71
63
55
52

Low Clouds (% Sky Obscured)

64
46
54
66
65
58
57
69
55
48
58
53
53
45
42
29
15
27
42
46
42
38
41
42

Medium Clouds (% Sky Obscured)

66
70
100
95
57
100
100
100
97
46
96
99
100
67
73
79
84
83
80
77
58
38
20
18

High Clouds (% Sky Obscured)

25
0
0
0
0
3
6
9
34
60
80
81
70
25
53
73
85
69
47
40
40
28
20
18

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
86
67
52
45
46
76
64
57
54
52
58
59
60
55
54
59
67
68
67
60
53
47
43

Precipitation Amount (mm)

0.8
0.4
0.2
0
0
0
0.5
0.2
0
0
0
0
0
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

15
17
21
19
18
18
17
17
20
18
21
19
18
17
14
11
12
13
13
13
12
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
73
71
70
62
70
66
88
74
79
72
69
90
90
82
81
79
77
75
74
71
73
73
73

Pressure (mb)

983
983
983
983
984
985
985
986
986
986
986
986
987
988
988
988
989
989
990
990
991
991
992
993

Ozone (du)

386
391
398
402
403
404
407
407
411
414
415
414
415
417
421
423
425
427
430
432
434
439
444
449

Saturday 24

Waxing Crescent 34%

10:11

00:03

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
03 Bad

Sun - Rise: 08:05, Set: 17:02, Transit: 12:34. Moon - Rise: 10:11, Set: 00:03. Civil Dark: 17:38 - 07:29. Nautical Dark: 18:18 - 06:49. Astro Dark: 18:56 - 06:11

Total Clouds (% Sky Obscured)

47
41
45
48
50
49
49
46
45
50
50
67
79
92
95
97
100
96
91
87
81
79
75
86

Low Clouds (% Sky Obscured)

39
39
39
38
33
29
28
24
27
27
28
39
49
60
70
78
85
86
83
72
68
61
56
51

Medium Clouds (% Sky Obscured)

12
6
12
18
38
49
49
46
45
50
50
65
67
78
84
92
100
82
65
54
48
50
54
72

High Clouds (% Sky Obscured)

14
11
8
5
2
33
49
46
45
50
45
64
79
92
89
85
80
59
38
16
34
58
75
86

ISS Passover

Visibility (miles)

8
8
7
8
8
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
Very 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
Very Light Rain

Precipitation Probability (%)

41
41
41
40
38
34
30
27
23
20
19
24
33
45
56
59
66
67
63
61
61
61
59
60

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
11
11
11
12
12
13
13
14
15
15
16
15
15
14
13
11
10
9
8
7
7
7
8

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
8
8
9
9
9
9
8
8
8
7
7
7
7
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
76
75
77
78
74
70
64
67
68
68
69
70
71
74
78
81
81
82
82
82
84
84

Pressure (mb)

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

Ozone (du)

451
453
455
454
454
453
455
457
459
456
453
451
450
449
448
448
447
446
445
443
441
439
436
434

Sunday 25

Waxing Crescent 45%

10:26

01:27

Sun - Rise: 08:04, Set: 17:04, Transit: 12:34. Moon - Rise: 10:26, Set: 01:27. Civil Dark: 17:40 - 07:28. Nautical Dark: 18:19 - 06:48. Astro Dark: 18:57 - 06:10

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: 19/01/26 04:47:06. Forecast: 19/01/26 to 25/01/26. Timezone: UTC+0.00