Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Gibbous 100%

20:18

05:50

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

Sun - Rise: 05:52, Set: 20:30, Transit: 13:12. Moon - Rise: 20:18, Set: 05:50. Civil Dark: 21:09 - 05:13. Nautical Dark: 21:59 - 04:23. Astro Dark: 23:00 - 03:21

Total Clouds (% Sky Obscured)

83
87
68
75
9
0
0
0
0
8
17
24
34
89
98
97
93
98
92
79
69
57
25
17

Low Clouds (% Sky Obscured)

8
4
5
1
3
1
3
3
25
41
42
46
51
84
96
96
89
97
92
79
72
54
25
19

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
17
24
23
33
15
0
2
0
0
0
0

High Clouds (% Sky Obscured)

18
6
12
8
8
7
8
4
4
4
4
4
0
0
0
4
4
4
7
4
18
9
4
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
0
0
5
14
20
6
13
5
15
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
4
8
12
16
27
19
14
12
3
4
1
3

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)

10
13
14
15
15
13
13
13
11
8
7
7
7
5
5
6
6
5
6
5
6
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
68
65
67
67
67
67
67
73
84
88
93
96
96
96
93
94
94
94
91
91
87
67
56

Pressure (mb)

1026
1026
1025
1025
1024
1024
1024
1024
1023
1024
1024
1023
1023
1023
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020

Ozone (du)

395
398
395
393
392
394
398
397
396
397
397
396
396
400
403
406
409
409
407
407
406
405
406
406

Wednesday 24

Full Moon 99%

21:37

06:03

12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 OK
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

Sun - Rise: 05:50, Set: 20:32, Transit: 13:12. Moon - Rise: 21:37, Set: 06:03. Civil Dark: 21:11 - 05:11. Nautical Dark: 22:02 - 04:20. Astro Dark: 23:04 - 03:17

Total Clouds (% Sky Obscured)

13
0
0
0
0
0
0
0
0
22
36
72
85
91
97
100
100
100
100
98
100
100
100
100

Low Clouds (% Sky Obscured)

15
0
0
0
0
0
0
0
0
23
37
43
29
54
76
88
73
28
52
51
59
72
89
69

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
28
32
31
42
43
75
91
92
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
4
46
75
70
86
95
100
100
98
85
97
97
100
98

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 (%)

0
0
0
0
0
0
0
0
0
0
0
8
9
6
29
27
14
6
10
15
15
16
18
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)

7
7
8
7
7
6
5
4
3
3
4
5
5
5
6
7
9
10
9
7
8
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
46
44
44
43
44
47
55
70
76
77
80
79
79
83
76
79
81
88
88
84
78
73
70

Pressure (mb)

1020
1019
1019
1018
1018
1017
1016
1016
1015
1015
1015
1014
1013
1013
1012
1011
1010
1009
1009
1008
1008
1007
1007
1006

Ozone (du)

405
402
400
404
405
405
406
409
409
404
402
404
407
408
407
406
407
408
408
408
408
410
411
412

Thursday 25

Waning Gibbous 96%

22:58

06:22

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

Sun - Rise: 05:48, Set: 20:34, Transit: 13:12. Moon - Rise: 22:58, Set: 06:22. Civil Dark: 21:13 - 05:09. Nautical Dark: 22:04 - 04:17. Astro Dark: 23:08 - 03:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
100
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
73
74
59
58
59
78
82
87
87
92
95
93
90
100
100
93
95
98
99
95
98
95
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
94
99
97
91
88
68
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

98
99
100
100
100
100
99
87
91
75
44
18
35
24
73
55
100
100
100
86
7
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
1
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
2
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

40
48
58
70
64
53
60
71
75
67
63
70
79
69
88
95
95
95
95
95
95
92
91
95

Precipitation Amount (mm)

0
0.3
0.4
0.7
0.6
0.4
0.4
0.6
0.6
0.4
0.3
0.4
0.5
0.3
0.6
1.4
1.1
0.7
0.9
1
0.7
0.5
0.5
0.8

Wind Speed/Direction (mph)

11
11
10
10
9
7
5
3
2
2
3
4
4
4
5
6
7
7
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
67
65
64
61
63
67
71
79
85
88
85
85
87
88
90
91
93
94
96
94
96
98
98

Pressure (mb)

1006
1006
1005
1005
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003

Ozone (du)

410
409
409
411
411
411
410
409
410
411
413
415
420
421
424
423
423
423
424
425
427
428
430
431

Friday 26

Waning Gibbous 90%

00:18

06:50

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

Sun - Rise: 05:46, Set: 20:36, Transit: 13:12. Moon - Rise: 00:18, Set: 06:50. Civil Dark: 21:15 - 05:06. Nautical Dark: 22:07 - 04:15. Astro Dark: 23:11 - 03:09

Total Clouds (% Sky Obscured)

100
100
100
99
98
100
100
100
100
100
99
99
98
98
98
99
99
100
100
100
100
98
99
98

Low Clouds (% Sky Obscured)

100
100
100
93
95
100
82
90
95
93
89
84
79
77
76
73
82
90
95
93
92
91
85
78

Medium Clouds (% Sky Obscured)

95
83
87
83
47
40
51
56
95
100
98
96
94
95
96
97
98
99
100
97
69
35
72
88

High Clouds (% Sky Obscured)

0
3
3
24
3
14
99
88
83
75
76
71
77
77
42
49
90
71
99
99
98
66
66
35

ISS Passover

Visibility (miles)

0
0
0
0
0
9
9
6
9
9
7
9
9
9
8
7
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

95
95
95
95
81
70
57
38
38
37
37
31
33
45
56
42
49
56
64
58
52
50
45
37

Precipitation Amount (mm)

1.3
1.2
1.4
1.1
0.6
0.4
0.3
0
0
0
0
0
0
0
0.2
0
0
0
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
96
98
96
91
91
94
96
98
98
98
96
96
98
98
96
98
96
94
88
81
78

Pressure (mb)

1003
1003
1003
1003
1002
1002
1002
1002
1002
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1001

Ozone (du)

432
432
432
432
433
432
432
431
430
431
431
431
431
430
430
432
432
432
434
435
435
433
433
434

Saturday 27

Waning Gibbous 83%

01:32

07:32

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

Sun - Rise: 05:44, Set: 20:38, Transit: 13:12. Moon - Rise: 01:32, Set: 07:32. Civil Dark: 21:17 - 05:04. Nautical Dark: 22:09 - 04:12. Astro Dark: 23:15 - 03:04

Total Clouds (% Sky Obscured)

100
100
100
100
97
95
93
96
98
100
100
100
100
100
100
100
98
97
94
84
73
61
71
81

Low Clouds (% Sky Obscured)

73
82
91
100
91
83
74
69
64
61
69
77
84
90
95
100
87
74
63
61
54
54
48
46

Medium Clouds (% Sky Obscured)

80
62
64
59
50
40
70
82
90
85
100
82
100
77
100
100
94
86
80
42
20
1
39
62

High Clouds (% Sky Obscured)

42
30
38
43
41
50
50
79
91
78
100
100
99
100
100
100
90
78
70
54
45
39
36
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
0
1
0
0
1
1
2
1
0
0
1
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

12
54
64
75
71
70
77
84
91
72
77
77
81
93
95
95
95
95
88
46
25
3
13
23

Precipitation Amount (mm)

0
0.2
0.3
0.4
0.3
0.3
0.4
0.6
0.9
0.4
0.4
0.3
0.3
0.4
0.5
0.8
1.2
1.6
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
86
83
85
84
86
88
96
98
100
98
98
98
98
98
100
98
100
100
98
92
81
72

Pressure (mb)

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

Ozone (du)

435
433
431
430
429
429
429
427
426
426
425
425
427
428
428
429
429
430
431
434
433
435
440
440

Sunday 28

Waning Gibbous 74%

02:31

08:34

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

Sun - Rise: 05:42, Set: 20:39, Transit: 13:12. Moon - Rise: 02:31, Set: 08:34. Civil Dark: 21:19 - 05:02. Nautical Dark: 22:12 - 04:09. Astro Dark: 23:19 - 03:00

Total Clouds (% Sky Obscured)

90
79
69
61
61
61
60
51
44
29
33
42
55
66
78
89
90
89
89
92
93
95
94
93

Low Clouds (% Sky Obscured)

41
46
51
56
50
44
38
30
23
15
21
31
38
53
65
76
75
73
72
76
82
86
78
68

Medium Clouds (% Sky Obscured)

80
54
29
2
11
20
29
28
32
36
44
60
73
76
76
78
56
36
18
23
28
36
40
44

High Clouds (% Sky Obscured)

56
45
37
25
35
61
80
80
71
62
36
30
24
24
23
24
18
10
2
5
8
12
36
55

ISS Passover

Visibility (miles)

9
9
7
5
3
3
4
4
2
1
0
0
0
0
3
5
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

22
43
51
58
66
71
73
73
69
59
72
83
92
79
70
67
52
37
26
24
20
9
22
28

Precipitation Amount (mm)

0
0
0
0.3
0.4
0.4
0.5
0.4
0.4
0
0.5
0.7
1
0.6
0.4
0.4
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
13
14
14
15
15
11
10
10
9
9
8
8
8
8
7
7
7
6
6
6
6

Dew Point (°C)

7
7
8
8
9
10
11
12
11
10
10
10
9
9
9
8
8
7
7
7
7
7
7
6

Relative Humidity (%)

62
61
64
67
70
78
86
95
95
96
100
100
98
98
98
96
96
95
95
95
88
82
80
68

Pressure (mb)

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

Ozone (du)

440
443
442
440
439
437
436
435
436
438
440
441
441
442
443
443
444
443
442
441
439
436
434
431

Monday 29

Waning Gibbous 64%

03:12

09:53

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

Sun - Rise: 05:40, Set: 20:41, Transit: 13:12. Moon - Rise: 03:12, Set: 09:53. Civil Dark: 21:21 - 05:00. Nautical Dark: 22:14 - 04:06. Astro Dark: 23:23 - 02:56

Total Clouds (% Sky Obscured)

92
83
73
64
76
85
95
94
92
91
83
72
63
67
71
75
68
60
57
51
44
38
57
77

Low Clouds (% Sky Obscured)

58
56
54
58
54
50
46
44
38
33
37
43
47
51
56
61
57
53
50
43
43
45
51
63

Medium Clouds (% Sky Obscured)

42
29
17
2
12
21
25
45
65
85
79
71
57
52
47
41
32
21
15
10
10
15
39
66

High Clouds (% Sky Obscured)

63
52
31
24
43
62
86
61
39
16
19
21
24
24
25
40
50
50
50
65
60
60
55
55

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 (%)

27
28
27
19
20
16
3
6
5
0
1
2
1
4
4
1
7
9
7
12
12
6
16
21

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
11
10
11
12
12
11
10
9
8
8
7
7
6
6
6
6
7
7
7
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
10
9
8
9
9
9
7
8
8
7
7
6
4
4
3
3
4
4
6
7
7
9

Dew Point (°C)

4
2
2
2
2
2
3
3
4
6
6
6
6
6
5
5
4
4
4
5
5
6
7
8

Relative Humidity (%)

58
51
50
49
48
52
57
62
70
80
90
90
90
90
85
81
78
77
77
77
76
73
72
75

Pressure (mb)

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

Ozone (du)

428
425
425
425
426
426
426
426
424
423
421
420
420
420
420
420
421
420
420
419
419
419
419
419

Forecast for Llanelian-yn-Rhôs, Conwy, United Kingdom (53.27,-3.71)

Generated: 23/04/24 21:38:55. Forecast: 23/04/24 to 29/04/24. Timezone: UTC+1.00