Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 2

Waning Gibbous 98%

18:08

08:23

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
04 Bad

Sun - Rise: 07:53, Set: 17:18, Transit: 12:35. Moon - Rise: 18:08, Set: 08:23. Civil Dark: 17:52 - 07:18. Nautical Dark: 18:31 - 06:39. Astro Dark: 19:09 - 06:01

Total Clouds (% Sky Obscured)

48
60
69
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
36
35
17
34
70
85
94
86
90
93
95
100
100
100
97
92
94
100
98
100
98
93
83

Medium Clouds (% Sky Obscured)

48
60
69
100
100
100
100
100
100
100
96
97
100
100
100
100
95
95
95
100
100
100
100
100

High Clouds (% Sky Obscured)

48
60
69
100
100
100
100
100
100
100
100
100
100
100
88
67
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
3
8
16
37
54
60
61
73
86
94
95
95
89
73
73
83
95
95
93
82

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.4
0.5
0.5
0.6
0.5
0.3
0.4
0.5
0.8
1
0.6
0.5

Wind Speed/Direction (mph)

10
14
17
21
23
25
27
28
28
28
28
29
29
28
26
25
24
23
21
19
15
13
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
79
79
79
78
81
82
81
81
81
81
82
85
91
91
93
93
93
93
95
93
95
93

Pressure (mb)

994
993
992
991
990
990
989
988
988
986
986
985
985
985
985
984
984
984
984
984
984
984
984
984

Ozone (du)

371
372
375
377
377
378
380
380
379
382
383
382
383
384
383
385
387
388
389
389
389
390
391
393

Tuesday 3

Waning Gibbous 94%

19:30

08:40

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
04 Bad

Sun - Rise: 07:51, Set: 17:19, Transit: 12:35. Moon - Rise: 19:30, Set: 08:40. Civil Dark: 17:54 - 07:17. Nautical Dark: 18:32 - 06:38. Astro Dark: 19:10 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
60
64
82
81
77
47
70
74
56
64
59
48
64
48
49
43
47
44

Low Clouds (% Sky Obscured)

58
64
33
23
40
50
40
49
64
66
61
29
47
60
43
53
57
45
62
45
49
42
42
38

Medium Clouds (% Sky Obscured)

100
100
99
70
46
29
41
44
63
57
39
23
44
50
53
44
35
28
11
30
1
3
27
16

High Clouds (% Sky Obscured)

100
82
97
100
56
100
6
39
44
47
32
47
30
7
8
6
4
2
4
6
3
13
37
44

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

55
31
33
35
30
36
21
24
26
29
19
24
31
38
48
57
49
46
21
19
20
19
15
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
93
95
95
93
91
91
87
88
91
93
95
95
93
88
87
87
87
87
88
88

Pressure (mb)

984
984
985
986
987
987
988
988
988
988
989
989
989
990
990
990
990
990
990
990
990
990
990
989

Ozone (du)

395
397
399
400
403
406
406
407
406
409
413
418
434
446
458
461
463
460
450
446
441
442
443
439

Wednesday 4

Waning Gibbous 88%

20:47

08:54

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
04 Bad

Sun - Rise: 07:50, Set: 17:21, Transit: 12:35. Moon - Rise: 20:47, Set: 08:54. Civil Dark: 17:55 - 07:15. Nautical Dark: 18:34 - 06:37. Astro Dark: 19:12 - 05:59

Total Clouds (% Sky Obscured)

40
50
96
100
100
100
99
91
96
96
96
95
87
91
84
69
84
97
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
45
39
47
28
54
45
25
25
58
81
73
83
87
84
69
71
63
60
69
78
87
88
88

Medium Clouds (% Sky Obscured)

8
50
95
83
88
92
93
57
57
55
55
59
50
50
31
27
11
26
24
33
63
66
76
87

High Clouds (% Sky Obscured)

40
2
44
100
100
57
6
25
48
44
48
27
4
5
5
2
46
84
100
100
100
100
87
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
11
14
13
11
24
20
33
31
47
46
29
41
45
32
28
13
20
8
4
7
6
28
47

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)

9
9
9
9
11
13
16
18
20
17
20
19
20
19
20
21
21
21
21
21
22
23
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
5
6
7
7
7
7
7
7
7
7
6
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

87
85
84
82
85
85
84
85
84
84
82
84
85
85
87
87
87
87
87
85
87
85
84
84

Pressure (mb)

989
989
989
989
989
989
989
989
989
988
988
988
988
988
988
988
988
987
987
987
986
986
985
984

Ozone (du)

437
440
442
450
464
467
466
465
457
449
446
443
439
438
435
432
426
424
422
424
429
421
420
418

Thursday 5

Waning Gibbous 81%

22:02

09:07

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
04 Bad

Sun - Rise: 07:48, Set: 17:23, Transit: 12:35. Moon - Rise: 22:02, Set: 09:07. Civil Dark: 17:57 - 07:14. Nautical Dark: 18:36 - 06:35. Astro Dark: 19:13 - 05:57

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
91
84

Low Clouds (% Sky Obscured)

88
87
87
87
91
96
100
99
99
98
90
82
74
67
57
53
57
62
65
62
57
54
59
59

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
59
37
100
100
100
100
95
90
86
76
62

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
88
100
100
100
100
100
100
100
100
100
75
50

ISS Passover

Visibility (miles)

9
9
6
4
5
3
4
3
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
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
Very Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

62
95
95
95
95
95
95
95
95
86
71
57
35
33
29
17
31
34
43
75
92
95
84
59

Precipitation Amount (mm)

0
0.6
1.3
1.2
1.4
1.5
1.5
1.5
1.1
0.5
0.3
0
0
0
0
0
0
0
0
0.3
0.7
1
0.5
0

Wind Speed/Direction (mph)

24
25
26
27
27
27
26
26
24
22
21
18
16
13
12
11
12
12
11
11
12
15
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
81
85
87
87
90
90
90
87
84
85
84
84
82
82
84
84
85
82
84
84
84
84
82

Pressure (mb)

984
983
983
983
982
982
982
982
982
982
982
982
982
982
983
983
983
983
984
984
984
984
984
985

Ozone (du)

418
423
418
419
418
415
412
410
409
408
406
404
404
403
404
405
404
404
406
407
407
407
406
406

Friday 6

Waning Gibbous 72%

23:15

09:19

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
04 Bad

Sun - Rise: 07:46, Set: 17:24, Transit: 12:35. Moon - Rise: 23:15, Set: 09:19. Civil Dark: 17:59 - 07:12. Nautical Dark: 18:37 - 06:34. Astro Dark: 19:15 - 05:56

Total Clouds (% Sky Obscured)

78
84
88
93
95
97
100
100
100
100
87
76
64
94
89
84
79
74
68
69
71
71
69
70

Low Clouds (% Sky Obscured)

59
65
69
76
75
75
76
71
67
62
60
52
45
48
43
39
48
56
63
65
66
64
61
62

Medium Clouds (% Sky Obscured)

48
33
52
76
84
93
76
44
42
42
23
12
2
28
21
10
6
3
0
13
26
47
65
70

High Clouds (% Sky Obscured)

25
15
10
10
20
29
42
51
70
86
59
57
45
88
78
71
48
25
6
5
3
2
4
5

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

29
38
45
54
66
72
75
68
60
48
42
40
40
29
29
20
25
23
19
23
26
29
32
31

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
18
20
21
21
22
24
22
18
18
20
20
20
20
18
19
20
21
21
21
20
20
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
88
88
88
91
91
93
91
87
85
90
88
87
87
87
87
85
85
85
85
87
85
87

Pressure (mb)

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

Ozone (du)

408
410
412
412
410
409
409
410
410
411
411
412
415
418
418
418
417
417
417
417
416
416
415
415

Saturday 7

Waning Gibbous 69%

00:28

09:32

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
04 Bad

Sun - Rise: 07:45, Set: 17:26, Transit: 12:35. Moon - Rise: 00:28, Set: 09:32. Civil Dark: 18:00 - 07:11. Nautical Dark: 18:39 - 06:32. Astro Dark: 19:16 - 05:55

Total Clouds (% Sky Obscured)

75
84
92
97
98
99
100
97
95
93
95
97
99
94
90
85
72
58
45
48
58
65
77
82

Low Clouds (% Sky Obscured)

60
67
75
81
65
49
31
34
35
35
46
54
64
65
63
61
55
45
28
26
22
20
23
24

Medium Clouds (% Sky Obscured)

75
82
84
75
76
87
100
96
93
87
79
77
81
78
77
72
51
29
9
16
31
51
49
42

High Clouds (% Sky Obscured)

7
20
32
39
55
77
100
97
95
93
95
97
98
72
44
16
29
42
45
48
56
44
43
44

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

Precipitation Probability (%)

25
25
24
21
29
37
40
45
49
49
46
46
44
40
34
33
32
30
33
36
29
8
17
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
17
16
15
14
13
12
11
12
12
12
11
10
9
10
11
12
12
13
14
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
7
6
7
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Relative Humidity (%)

85
85
85
84
82
82
80
78
77
77
76
78
82
85
85
85
85
87
87
87
87
87
87
88

Pressure (mb)

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

Ozone (du)

415
415
415
415
415
415
416
416
416
417
417
417
418
418
418
419
419
421
422
423
423
424
424
423

Sunday 8

Waning Gibbous 63%

01:40

09:48

Sun - Rise: 07:43, Set: 17:28, Transit: 12:35. Moon - Rise: 01:40, Set: 09:48. Civil Dark: 18:02 - 07:09. Nautical Dark: 18:40 - 06:31. Astro Dark: 19:18 - 05:53

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: 02/02/26 05:15:14. Forecast: 02/02/26 to 08/02/26. Timezone: UTC+0.00