Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waning Gibbous 90%

00:02

07:15

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:59, Set: 20:31, Transit: 13:16. Moon - Rise: 00:02, Set: 07:15. Civil Dark: 21:08 - 05:22. Nautical Dark: 21:54 - 04:36. Astro Dark: 22:48 - 03:41

Total Clouds (% Sky Obscured)

84
87
90
81
69
64
60
81
78
80
94
83
79
84
73
91
100
100
95
91
96
91
63
98

Low Clouds (% Sky Obscured)

90
86
71
62
51
49
38
48
55
56
69
71
67
77
61
69
57
60
62
60
64
49
48
73

Medium Clouds (% Sky Obscured)

96
67
48
56
55
50
50
50
33
35
33
32
25
7
12
33
76
94
78
78
63
45
31
51

High Clouds (% Sky Obscured)

1
2
31
38
35
26
1
36
44
49
80
75
63
52
55
45
98
100
93
79
72
4
4
63

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
78
66
48
57
56
44
42
38
41
25
35
21
22
23
22
31
20
21
33
14
15
27
33

Precipitation Amount (mm)

1.2
0.5
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
15
14
13
13
12
12
12
12
11
11
10
10
9
9
9
9
11
12
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
88
88
90
88
91
93
96
96
96
96
98
98
96
94
96
98
96
93
91
87
84
77

Pressure (mb)

1001
1001
1001
1000
1000
1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1002
1002
1002

Ozone (du)

438
439
442
442
443
444
443
440
437
436
435
435
434
434
435
435
435
435
438
440
442
445
447
445

Saturday 27

Waning Gibbous 83%

01:12

08:01

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 OK
06 OK
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 Bad

Sun - Rise: 05:57, Set: 20:33, Transit: 13:16. Moon - Rise: 01:12, Set: 08:01. Civil Dark: 21:09 - 05:20. Nautical Dark: 21:56 - 04:34. Astro Dark: 22:51 - 03:38

Total Clouds (% Sky Obscured)

100
99
84
91
84
83
70
52
58
62
55
47
55
62
68
55
30
42
54
55
30
27
33
62

Low Clouds (% Sky Obscured)

81
69
68
77
71
65
59
48
43
53
47
38
51
56
60
51
30
30
30
20
10
6
11
35

Medium Clouds (% Sky Obscured)

64
90
80
83
86
67
75
60
60
55
50
55
55
50
48
49
45
50
58
55
40
27
24
43

High Clouds (% Sky Obscured)

80
75
75
75
65
60
60
56
65
65
70
75
80
80
75
75
70
65
65
65
57
47
42
22

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

28
29
20
30
26
40
40
33
21
19
24
56
60
56
41
32
17
10
5
3
3
5
4
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
6
6
5
5
5
4
4
4
4
3
2
3
2
2
1
1
1
3
4
5
6
6

Dew Point (°C)

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

Relative Humidity (%)

80
83
83
85
88
90
95
93
95
93
91
90
90
90
88
84
79
79
79
81
81
77
74
70

Pressure (mb)

1002
1002
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1007
1008
1008
1009
1009

Ozone (du)

445
444
441
441
440
437
437
439
439
440
440
440
440
439
440
440
438
435
436
439
444
448
450
451

Sunday 28

Waning Gibbous 74%

02:11

09:02

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

Sun - Rise: 05:55, Set: 20:35, Transit: 13:16. Moon - Rise: 02:11, Set: 09:02. Civil Dark: 21:11 - 05:18. Nautical Dark: 21:58 - 04:31. Astro Dark: 22:54 - 03:35

Total Clouds (% Sky Obscured)

67
68
60
50
54
62
33
39
6
25
95
82
80
81
89
89
100
100
98
96
95
94
93
93

Low Clouds (% Sky Obscured)

40
46
42
46
41
39
35
37
4
19
36
25
36
34
31
54
36
30
33
37
43
46
49
57

Medium Clouds (% Sky Obscured)

49
49
36
12
18
28
1
0
0
1
70
62
60
55
60
54
67
95
88
81
76
77
81
63

High Clouds (% Sky Obscured)

35
25
16
19
7
21
0
2
3
7
82
5
0
40
71
64
100
100
96
90
85
75
65
50

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 (%)

21
20
24
15
0
0
0
4
0
0
4
1
5
2
3
3
3
13
3
15
8
20
19
26

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
11
9
8
6
5
5
5
6
6
7
8
8
9
10
11
13
16
19
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
67
68
70
71
71
77
85
87
88
90
91
90
93
93
93
93
93
90
85
81
79
75
76

Pressure (mb)

1010
1011
1011
1012
1012
1012
1012
1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

452
454
455
458
460
459
454
450
446
442
441
442
441
439
436
436
437
436
435
434
432
432
433
435

Monday 29

Waning Gibbous 64%

02:56

10:17

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:53, Set: 20:36, Transit: 13:16. Moon - Rise: 02:56, Set: 10:17. Civil Dark: 21:13 - 05:16. Nautical Dark: 22:00 - 04:29. Astro Dark: 22:57 - 03:32

Total Clouds (% Sky Obscured)

95
88
85
98
90
97
98
99
100
100
100
100
99
97
95
97
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
62
70
67
73
88
91
90
90
93
96
98
96
93
90
93
97
100
91
83
74
77
80
70

Medium Clouds (% Sky Obscured)

44
47
52
97
75
62
96
98
100
100
100
100
97
95
92
95
97
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

40
32
24
50
15
65
30
70
70
55
75
75
75
63
70
70
65
61
70
79
92
94
97
100

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
4
3
4
4
4
6
4
5
3
6
1
4
9
8
9
7
7

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

22
29
27
40
53
61
85
95
95
95
95
95
95
95
95
95
95
95
95
95
90
83
83
80

Precipitation Amount (mm)

0
0
0
0
0.2
0
0.5
0.8
0.7
0.8
0.9
0.8
1
0.9
1.3
1.3
1.3
1.6
0.5
0.5
0.5
0.5
0.6
0.5

Wind Speed/Direction (mph)

22
22
22
22
21
21
21
21
20
21
21
21
21
20
19
20
21
21
20
12
10
12
14
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
71
73
73
80
84
84
91
93
95
96
95
95
96
95
96
96
98
98
98
90
91
88
84

Pressure (mb)

1013
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1009
1009
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

436
436
435
435
436
436
433
431
431
430
430
429
430
429
430
431
430
431
430
429
429
431
433
434

Tuesday 30

Waning Gibbous 52%

03:28

11:41

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:52, Set: 20:38, Transit: 13:16. Moon - Rise: 03:28, Set: 11:41. Civil Dark: 21:15 - 05:14. Nautical Dark: 22:02 - 04:27. Astro Dark: 22:59 - 03:28

Total Clouds (% Sky Obscured)

100
100
100
97
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
96
95
93

Low Clouds (% Sky Obscured)

66
63
51
60
64
75
75
76
64
58
45
38
49
61
71
78
83
88
85
83
80
73
69
62

Medium Clouds (% Sky Obscured)

99
99
98
86
99
100
100
100
100
100
100
100
97
94
92
94
95
97
96
94
92
79
67
54

High Clouds (% Sky Obscured)

100
81
30
39
49
94
55
53
100
96
93
90
76
62
48
63
75
87
71
58
47
35
22
8

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
6
4
6
8

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

Precipitation Probability (%)

66
56
59
61
62
64
59
53
47
34
27
16
29
30
31
65
86
95
92
87
88
70
53
35

Precipitation Amount (mm)

0.3
0
0.2
0.2
0.2
0.3
0.2
0.2
0.3
0
0
0
0
0
0
0.4
0.7
0.9
0.7
0.6
0.6
0.3
0
0

Wind Speed/Direction (mph)

16
16
15
16
15
12
10
8
7
7
7
6
5
5
4
5
5
5
6
7
8
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
73
71
74
77
81
86
90
93
95
95
95
95
95
95
95
96
96
96
93
90
85
84
81

Pressure (mb)

1006
1007
1006
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1011

Ozone (du)

435
436
435
431
428
427
427
427
427
425
423
420
418
416
413
411
410
409
408
408
408
408
407
406

Wednesday 1

Third Quarter 41%

03:51

No Set

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:50, Set: 20:39, Transit: 13:15. Moon - Rise: 03:51, Set: No Set. Civil Dark: 21:16 - 05:13. Nautical Dark: 22:04 - 04:24. Astro Dark: 23:02 - 03:25

Total Clouds (% Sky Obscured)

91
91
90
91
92
97
86
72
64
78
89
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
46
33
45
60
71
69
67
65
70
76
81
78
73
66
59
51
34
42
48
52
59
66
75

Medium Clouds (% Sky Obscured)

60
62
67
74
80
87
79
71
58
65
76
89
90
91
90
93
97
100
99
99
98
96
94
92

High Clouds (% Sky Obscured)

35
59
80
81
86
91
85
82
81
87
93
98
85
73
60
73
87
100
100
100
100
99
99
98

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

37
34
26
34
38
43
36
28
15
17
15
8
38
52
63
69
79
90
84
77
67
87
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.4
0.5
0.6
0.5
0.3
0
0.5
0.7
0.9

Wind Speed/Direction (mph)

6
4
3
3
1
3
5
4
4
3
2
2
3
3
4
4
4
5
6
7
8
9
9
9

Chance of Frost

Temperature (°C)

13
14
14
15
14
13
13
12
11
11
11
10
10
11
11
12
12
13
13
13
13
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
83
84
87
92
95
96
98
98
98
96
95
96
98
96
98
98
96
98
98
98
96
98

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

405
404
403
403
402
401
401
400
399
399
397
395
393
391
389
387
385
383
380
379
378
377
376
374

Thursday 2

Waning Crescent 29%

04:10

13:08

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
06 Bad

Sun - Rise: 05:48, Set: 20:41, Transit: 13:15. Moon - Rise: 04:10, Set: 13:08. Civil Dark: 21:18 - 05:11. Nautical Dark: 22:06 - 04:22. Astro Dark: 23:05 - 03:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
91
81
71
59
46
34
56
78
100
99
98
98

Low Clouds (% Sky Obscured)

84
92
100
99
99
98
87
74
60
51
42
33
41
49
58
55
55
56

Medium Clouds (% Sky Obscured)

93
93
95
88
80
72
71
67
58
52
51
50
49
43
47
64
77
92

High Clouds (% Sky Obscured)

98
99
100
91
86
76
71
73
71
69
67
70
79
90
98
96
94
94

ISS Passover

Visibility (miles)

3
4
6
7
5
4
2
4
6
8
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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
86
72
70
69
73
67
59
43
41
35
22
28
26
20

Precipitation Amount (mm)

1
1
1
0.7
0.5
0.3
0.3
0.3
0.3
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
7
6
5
4
4
4
4
4
5
5
6
6
6
6
6
5

Chance of Frost

Temperature (°C)

15
15
15
16
16
16
16
15
15
14
14
14
14
14
14
13
13
13

Feels Like (°C)

13
14
14
14
15
14
15
15
14
14
14
14
14
13
13
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
96
96
98
98
100
100
100
98
98
96
95
96
95
95
95

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

373
372
371
370
370
370
370
370
370
370
369
368
366
366
366
366
368
369

Forecast for Saint Blazey, Cornwall, United Kingdom (50.36,-4.74)

Generated: 26/04/24 13:19:33. Forecast: 26/04/24 to 02/05/24. Timezone: UTC+1.00