Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 4

Waning Gibbous 97%

19:39

07:13

06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 Good
13 Good
14 Good
15 OK
16 Good
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: 06:57, Set: 18:09, Transit: 12:33. Moon - Rise: 19:39, Set: 07:13. Civil Dark: 18:41 - 06:25. Nautical Dark: 19:19 - 05:45. Astro Dark: 19:56 - 05:07

Total Clouds (% Sky Obscured)

95
83
75
69
25
21
0
0
0
14
11
100
100
95
81
87
100
100
89
84
62
90
97
96

Low Clouds (% Sky Obscured)

54
49
40
32
20
21
0
0
0
14
11
14
25
22
10
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

35
49
41
45
5
0
0
0
0
0
0
98
100
95
81
87
100
100
89
84
62
90
97
96

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
0
0
5
0
6
0
3
3
9
11
56
75
70
80

ISS Passover

Visibility (miles)

4
5
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 (%)

1
0
0
0
0
0
0
0
0
0
0
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)

16
15
15
15
13
14
14
14
15
15
14
14
13
13
14
14
14
13
11
11
12
12
12
11

Chance of Frost

Temperature (°C)

10
10
10
11
12
13
13
13
13
13
12
12
11
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
91
87
83
82
80
82
80
83
87
88
90
88
90
90
91
93
92
92
90
90
90

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1020
1019
1019
1018
1017
1017
1017
1017
1017
1016
1016
1015
1014
1014
1013
1012
1012

Ozone (du)

398
395
396
392
392
392
389
390
387
383
381
380
380
380
380
380
382
384
383
380
377
377
378
379

Thursday 5

Waning Gibbous 93%

20:54

07:25

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: 06:55, Set: 18:10, Transit: 12:33. Moon - Rise: 20:54, Set: 07:25. Civil Dark: 18:43 - 06:23. Nautical Dark: 19:20 - 05:43. Astro Dark: 19:58 - 05:05

Total Clouds (% Sky Obscured)

95
95
91
97
100
100
100
98
100
100
100
100
100
100
100
99
96
97
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
31
34
20
30
11
38
51
42
67
74
93
93
97
96
92
94
100
95
99
100
100
100

Medium Clouds (% Sky Obscured)

95
95
87
91
94
96
100
97
100
96
100
100
100
100
92
82
67
60
66
95
89
42
29
38

High Clouds (% Sky Obscured)

83
76
72
92
100
100
100
94
79
100
100
100
100
100
98
52
55
60
60
60
65
89
98
73

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
8
9
9
8
8
8
9
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
9
27
43
38
53
47
73
77
80
88
83
68
41
31
26
21
11
13
18
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.4
0.7
0.6
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
10
10
11
12
11
12
13
12
10
11
12
12
13
12
18
21
24
24
25
25
25
25

Chance of Frost

Temperature (°C)

11
11
11
12
12
12
13
12
11
11
10
10
10
10
10
10
9
9
9
8
8
8
8
8

Feels Like (°C)

8
7
8
9
9
10
10
8
4
2
2
2
2
2
2
2
1
1
-0
-0
-1
-1
-1
-1

Dew Point (°C)

10
10
10
11
11
10
10
11
10
9
8
9
8
8
8
8
8
7
7
6
5
4
4
4

Relative Humidity (%)

91
93
95
93
92
87
86
95
92
90
87
90
90
90
90
90
91
88
87
84
78
75
75
77

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1021

Ozone (du)

379
379
381
382
382
383
386
386
386
382
381
379
374
373
372
368
367
366
365
362
362
363
364
364

Friday 6

Waning Gibbous 87%

22:07

07:38

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: 06:53, Set: 18:12, Transit: 12:32. Moon - Rise: 22:07, Set: 07:38. Civil Dark: 18:44 - 06:21. Nautical Dark: 19:22 - 05:41. Astro Dark: 20:00 - 05:03

Total Clouds (% Sky Obscured)

100
100
100
100
99
92
92
94
96
96
100
97
95
88
82
84
84
86
88
90
90
92
94
96

Low Clouds (% Sky Obscured)

100
100
88
82
84
86
84
86
95
96
100
91
74
61
64
70
67
71
73
75
77
81
85
89

Medium Clouds (% Sky Obscured)

55
55
52
57
54
55
53
50
54
52
60
51
39
31
20
14
8
13
19
23
25
21
16
10

High Clouds (% Sky Obscured)

100
89
82
82
71
10
17
18
19
24
46
50
60
50
45
30
40
55
48
54
52
37
12
8

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 (%)

18
5
9
5
15
11
4
1
1
1
1
0
0
0
0
0
0
0
0
0
0
2
3
6

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
24
23
23
22
22
22
22
21
21
21
21
19
17
16
15
15
14
14
13
12
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
73
69
69
69
68
65
64
64
67
69
71
71
73
74
75
77
77
78
84
87
87
84
85

Pressure (mb)

1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1025
1025
1025
1025
1025

Ozone (du)

365
366
369
370
371
372
372
371
373
374
376
378
383
384
387
389
387
387
385
383
384
384
383
382

Saturday 7

Waning Gibbous 79%

23:21

07:53

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

Sun - Rise: 06:51, Set: 18:14, Transit: 12:32. Moon - Rise: 23:21, Set: 07:53. Civil Dark: 18:46 - 06:19. Nautical Dark: 19:23 - 05:39. Astro Dark: 20:02 - 05:01

Total Clouds (% Sky Obscured)

93
89
87
84
79
78
72
61
48
47
45
51
48
33
30
32
43
56
66
68
75
75
74
73

Low Clouds (% Sky Obscured)

68
47
25
28
32
38
29
20
16
14
17
15
20
20
20
27
34
42
50
56
65
62
57
52

Medium Clouds (% Sky Obscured)

26
40
52
40
27
31
26
10
4
9
8
13
9
5
0
0
4
4
4
4
4
4
3
1

High Clouds (% Sky Obscured)

5
5
3
9
12
16
11
8
2
3
3
2
0
0
0
1
1
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
4
6
9
9
9
9
9
9
9
5
4
4
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
None
None
None
None
None

Precipitation Probability (%)

9
22
37
28
22
13
5
5
1
4
5
4
12
3
10
5
10
3
2
1
1
4
12
20

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
6
5
6
8
12
15
15
14
14
13
13
12
12
13
13
12
12
12
12
11
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
88
88
91
92
92
93
95
95
93
96
95
95
96
96
95
95
96
96
96
96
98

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020

Ozone (du)

381
380
380
378
375
372
372
371
372
370
371
371
372
372
373
372
373
374
372
371
371
371
371
370

Sunday 8

Waning Gibbous 70%

00:34

08:10

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
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: 06:49, Set: 18:15, Transit: 12:32. Moon - Rise: 00:34, Set: 08:10. Civil Dark: 18:48 - 06:16. Nautical Dark: 19:25 - 05:37. Astro Dark: 20:03 - 04:58

Total Clouds (% Sky Obscured)

73
70
64
60
49
45
42
34
28
32
32
19
81
85
89
84
78
72
74
77
78
79
84
89

Low Clouds (% Sky Obscured)

49
42
38
36
33
38
34
29
22
23
9
2
62
66
70
66
63
58
65
70
72
74
79
83

Medium Clouds (% Sky Obscured)

6
10
15
9
4
0
0
0
0
0
0
0
19
22
26
27
25
23
14
7
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
11
11
4
15
9
13
8
5
4
3
3
4
3
3
4
4
5

ISS Passover

Visibility (miles)

3
4
4
4
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 (%)

27
28
16
14
14
13
16
5
9
4
5
3
12
12
2
9
6
0
10
8
1
3
2
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)

12
12
12
12
12
12
12
13
12
12
11
9
7
7
6
5
5
5
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
9
10
11
12
11
12
11
11
10
10
10
10
9
9
9
9
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
96
93
90
89
87
87
86
87
89
95
95
95
96
91
88
85
83
80
78
78
80

Pressure (mb)

1019
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1020
1020
1021
1021
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

369
369
368
367
367
367
367
368
367
368
368
366
365
365
364
363
362
362
362
363
364
365
366
366

Monday 9

Waning Gibbous 61%

01:44

08:32

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

Sun - Rise: 06:46, Set: 18:17, Transit: 12:32. Moon - Rise: 01:44, Set: 08:32. Civil Dark: 18:49 - 06:14. Nautical Dark: 19:27 - 05:35. Astro Dark: 20:05 - 04:56

Total Clouds (% Sky Obscured)

89
90
91
87
83
81
72
63
55
55
54
53
50
48
45
43
40
38
33
38
38
56
63
72

Low Clouds (% Sky Obscured)

82
82
83
81
77
76
62
51
40
32
20
5
13
21
29
25
20
12
14
14
16
19
22
26

Medium Clouds (% Sky Obscured)

0
0
0
1
3
4
5
6
5
15
18
19
18
15
17
17
17
27
26
34
38
46
47
47

High Clouds (% Sky Obscured)

10
14
13
6
5
4
3
1
0
0
0
5
7
6
4
3
1
0
0
0
0
3
7
16

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 (%)

2
1
0
7
3
0
2
1
0
0
0
0
0
0
0
0
0
0
0
1
3
8
13
20

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)

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

Chance of Frost

Temperature (°C)

10
10
10
11
11
11
12
12
12
12
11
10
10
9
9
9
9
9
9
9
9
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
78
78
77
76
72
73
73
72
75
77
80
80
82
82
82
82
82
84
85
87
88
88

Pressure (mb)

1020
1021
1021
1021
1021
1022
1022
1022
1022
1021
1022
1022
1022
1022
1022
1023
1023
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

366
367
367
367
367
368
368
369
371
372
373
374
375
375
376
377
379
381
384
390
396
403
404
406

Tuesday 10

Waning Gibbous 59%

02:49

09:02

Sun - Rise: 06:44, Set: 18:19, Transit: 12:31. Moon - Rise: 02:49, Set: 09:02. Civil Dark: 18:51 - 06:12. Nautical Dark: 19:28 - 05:32. Astro Dark: 20:07 - 04:54

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: 04/03/26 06:54:05. Forecast: 04/03/26 to 10/03/26. Timezone: UTC+0.00