Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waning Gibbous 96%

00:04

06:48

01 Bad
02 Bad
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

Sun - Rise: 06:05, Set: 20:34, Transit: 13:19. Moon - Rise: 00:04, Set: 06:48. Civil Dark: 21:10 - 05:29. Nautical Dark: 21:56 - 04:43. Astro Dark: 22:49 - 03:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
96
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
98
100
100
95
82
86
92
92
90
80
80
81
71
45
38
62
64
70
72
68
71
82
71

Medium Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
100
100
100
100
100
95
74
83
72
82
97
98
100
100
99

High Clouds (% Sky Obscured)

45
45
2
1
32
36
0
0
0
0
0
2
3
9
23
31
33
13
39
43
6
32
50
46

ISS Passover

Visibility (miles)

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

Fog (%)

5
7
2
1
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
95
95
92
87
74
74
81
79
72
74
80
80
54
51
49
46
41
48
56
51
49
45
37

Precipitation Amount (mm)

0
0.9
1.2
0.7
0.6
0.4
0.4
0.5
0.4
0.3
0.3
0.4
0.5
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
8
8
8
8
9
9
10
11
12
12
13
12
10
9
8
9
9
10
10
12
14
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
85
87
85
87
88
88
84
80
78
76
78
85
84
87
84
82
85
90
87
88
88
87

Pressure (mb)

1001
1001
1001
1000
1000
1000
1000
1000
1000
1001
1001
1001
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

437
438
438
437
438
439
439
439
440
443
444
443
442
441
444
446
445
443
440
438
438
439
439
439

Saturday 27

Waning Gibbous 90%

No Rise

07:20

01 Bad
02 Bad
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 OK
23 Bad
00 Bad

Sun - Rise: 06:03, Set: 20:36, Transit: 13:19. Moon - Rise: No Rise, Set: 07:20. Civil Dark: 21:12 - 05:27. Nautical Dark: 21:58 - 04:41. Astro Dark: 22:52 - 03:46

Total Clouds (% Sky Obscured)

97
93
93
74
49
47
52
41
28
60
51
68
73
72
78
68
38
44
40
27
31
30
46
63

Low Clouds (% Sky Obscured)

69
72
74
73
51
43
50
36
15
58
49
68
73
66
58
40
36
26
28
27
20
25
40
48

Medium Clouds (% Sky Obscured)

92
82
67
40
44
42
40
40
21
2
7
6
23
41
31
30
1
0
5
2
21
1
27
39

High Clouds (% Sky Obscured)

55
55
60
54
55
50
50
57
3
1
0
0
4
8
64
40
3
40
50
50
50
50
50
50

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

26
25
29
27
16
16
15
25
20
22
32
29
29
41
47
40
25
43
49
54
35
17
15
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0

Wind Speed/Direction (mph)

16
15
15
13
12
11
11
12
12
11
13
15
15
16
17
16
17
18
19
19
17
16
15
15

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
10
10
10
11
11
11
11
11
10
10
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
88
87
88
87
88
88
88
84
80
77
77
76
72
72
74
78
84
84
85
85
87
85

Pressure (mb)

1000
1000
1000
999
999
999
1000
1000
1000
1000
1000
1000
1000
1000
1001
1001
1001
1001
1001
1002
1003
1003
1003
1003

Ozone (du)

441
442
444
444
444
445
448
450
452
452
455
453
447
447
446
445
444
445
446
444
444
445
445
445

Sunday 28

Waning Gibbous 83%

01:14

08:06

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

Sun - Rise: 06:01, Set: 20:37, Transit: 13:19. Moon - Rise: 01:14, Set: 08:06. Civil Dark: 21:13 - 05:25. Nautical Dark: 22:00 - 04:38. Astro Dark: 22:55 - 03:43

Total Clouds (% Sky Obscured)

86
78
75
78
71
87
87
71
63
48
39
41
40
27
73
75
57
94
94
94
94
94
98
93

Low Clouds (% Sky Obscured)

80
72
70
74
66
75
64
49
43
30
27
39
38
18
2
14
23
26
39
54
63
56
50
45

Medium Clouds (% Sky Obscured)

40
38
31
38
35
52
49
35
30
28
17
1
0
0
0
32
2
46
48
54
45
60
82
91

High Clouds (% Sky Obscured)

50
50
55
50
21
8
6
3
3
3
3
2
0
6
45
59
60
83
80
71
74
46
33
43

ISS Passover

Visibility (miles)

9
9
6
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
53
64
59
41
43
37
27
22
11
18
6
4
3
4
1
1
0
0
1
2
7
9
15

Precipitation Amount (mm)

0
0.2
0.4
0.4
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
16
18
18
17
16
16
16
15
13
13
12
11
11
11
12
12
12
12
12
11
11
13
14

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
10
10
10
10
11
11
11
11
11
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
88
85
80
78
76
74
72
69
73
74
71
66
66
66
65
66
72
77
77
74
76
77

Pressure (mb)

1003
1003
1004
1004
1004
1005
1006
1007
1007
1008
1009
1009
1010
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013

Ozone (du)

445
445
445
446
447
448
449
450
449
448
447
446
445
448
450
448
443
441
440
440
439
442
443
443

Monday 29

Waning Gibbous 74%

02:13

09:07

01 Bad
02 Bad
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

Sun - Rise: 05:59, Set: 20:39, Transit: 13:19. Moon - Rise: 02:13, Set: 09:07. Civil Dark: 21:15 - 05:23. Nautical Dark: 22:02 - 04:36. Astro Dark: 22:58 - 03:40

Total Clouds (% Sky Obscured)

88
92
95
97
98
100
98
97
95
97
98
99
100
100
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

48
45
49
45
66
70
65
59
53
60
69
76
82
88
84
94
93
98
78
82
100
100
97
95

Medium Clouds (% Sky Obscured)

83
84
83
86
95
100
96
91
88
91
94
98
98
99
75
81
100
74
99
100
100
100
100
100

High Clouds (% Sky Obscured)

36
17
19
73
84
42
32
49
56
22
41
31
75
37
49
56
88
39
54
100
100
88
77
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
8
7
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
None
None
None
None
None
Very 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 (%)

21
25
35
44
43
47
49
48
45
39
42
53
61
65
77
75
74
69
74
88
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.4
0.3
0.4
0.6
0.7
1
0.9
0.8

Wind Speed/Direction (mph)

16
17
19
20
21
22
22
24
24
25
26
27
27
28
27
28
28
27
27
26
28
30
26
17

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
11
11
11
11
11
12
12
11
11
12
12
12
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
80
81
83
84
84
88
91
91
90
88
90
92
90
90
90
90
88
88
90
91
91
90

Pressure (mb)

1013
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1008

Ozone (du)

441
438
435
432
429
428
427
428
429
429
429
427
427
428
429
431
432
429
428
428
427
428
430
431

Tuesday 30

Waning Gibbous 64%

02:57

10:22

01 Bad
02 Bad
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

Sun - Rise: 05:57, Set: 20:40, Transit: 13:19. Moon - Rise: 02:57, Set: 10:22. Civil Dark: 21:17 - 05:21. Nautical Dark: 22:04 - 04:34. Astro Dark: 23:01 - 03:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
68
79
88
100
99
99
98
90
83
76
63
56
50

Low Clouds (% Sky Obscured)

92
84
76
62
48
35
43
51
59
60
56
54
55
56
58
56
51
45
41
39
37
36
39
38

Medium Clouds (% Sky Obscured)

96
91
87
91
96
100
100
100
100
100
100
64
79
89
100
99
99
99
81
63
45
51
57
54

High Clouds (% Sky Obscured)

77
27
35
38
34
38
30
30
25
28
22
15
43
70
98
68
37
7
22
38
53
40
29
18

ISS Passover

Visibility (miles)

9
9
4
9
9
4
4
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
93
80
89
87
87
32
35
37
42
80
78
70
65
52
31
27
22
12
14
15
14

Precipitation Amount (mm)

0.7
1
1
0.4
0.3
0.6
0.4
0.6
0
0
0
0
0.4
0.4
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
16
16
16
12
11
12
10
9
10
11
12
13
12
13
15
15
15
15
13
12
11
10
9

Chance of Frost

Temperature (°C)

10
11
11
11
11
11
11
11
10
11
11
11
12
12
12
12
11
11
11
11
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
93
95
93
91
93
91
93
87
81
73
66
66
66
65
66
68
71
72
76
78
78
80

Pressure (mb)

1008
1007
1006
1006
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1008
1008
1008
1008

Ozone (du)

432
432
431
430
429
429
430
431
433
434
437
439
440
441
441
442
442
443
444
444
444
445
444
443

Wednesday 1

Third Quarter 52%

03:30

11:46

01 Bad
02 Bad
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

Sun - Rise: 05:56, Set: 20:42, Transit: 13:19. Moon - Rise: 03:30, Set: 11:46. Civil Dark: 21:19 - 05:19. Nautical Dark: 22:06 - 04:31. Astro Dark: 23:03 - 03:34

Total Clouds (% Sky Obscured)

48
41
39
42
53
64
71
80
86
84
81
79
82
84
89
93
97
100
98
97
96
95
93
88

Low Clouds (% Sky Obscured)

36
35
35
25
14
3
11
20
26
29
30
35
45
57
75
79
77
81
85
85
85
88
96
96

Medium Clouds (% Sky Obscured)

54
50
45
48
45
54
62
72
81
75
68
65
67
69
67
75
86
100
95
89
83
66
49
29

High Clouds (% Sky Obscured)

19
21
23
31
31
35
32
24
26
26
27
28
46
66
85
91
96
100
87
74
63
43
23
3

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

15
17
19
22
23
23
28
30
30
39
44
48
48
50
53
54
58
63
72
77
83
73
63
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
81
82
84
85
87
82
81
79
79
76
76
76
73
72
75
76
79
80
81
83
83
83

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

443
441
438
436
433
431
429
428
427
426
424
423
422
420
418
417
416
415
413
411
409
407
406
405

Thursday 2

Waning Crescent 41%

03:54

13:12

Sun - Rise: 05:54, Set: 20:43, Transit: 13:19. Moon - Rise: 03:54, Set: 13:12. Civil Dark: 21:20 - 05:17. Nautical Dark: 22:08 - 04:29. Astro Dark: 23:06 - 03:31

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 Penzance, Cornwall, United Kingdom (50.12,-5.54)

Generated: 26/04/24 01:55:10. Forecast: 26/04/24 to 02/05/24. Timezone: UTC+1.00