Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waning Gibbous 90%

00:38

06:49

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

Sun - Rise: 05:51, Set: 20:51, Transit: 13:21. Moon - Rise: 00:38, Set: 06:49. Civil Dark: 21:30 - 05:10. Nautical Dark: 22:24 - 04:15. Astro Dark: 23:36 - 03:02

Total Clouds (% Sky Obscured)

6
15
13
9
8
25
21
17
27
74
78
62
88
100
100
98
94
68
54
46
42
33
15
0

Low Clouds (% Sky Obscured)

0
3
3
3
1
17
15
15
21
56
59
41
52
76
85
69
48
37
32
27
25
18
7
0

Medium Clouds (% Sky Obscured)

1
1
1
1
1
1
0
0
0
39
43
42
71
100
100
96
90
58
29
18
13
8
3
0

High Clouds (% Sky Obscured)

35
21
3
4
4
4
4
1
3
7
5
6
16
9
16
3
2
10
8
6
3
4
3
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
9
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
3
2
2
3
5
6
5
7
11
23
45
60
62
54
42
34
28
12
7
4
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
5
4
3
3
2
2
2
1
1
2
3
6
7
7
8
9
9
9
10
10
10
10
9

Feels Like (°C)

4
3
3
3
1
2
1
0
0
0
-0
2
5
4
4
5
5
6
7
8
8
8
9
8

Dew Point (°C)

3
3
2
1
1
1
0
-0
-0
-0
0
1
3
4
4
4
4
3
2
2
3
3
5
6

Relative Humidity (%)

83
88
88
86
88
89
89
88
89
91
91
83
78
79
78
78
73
64
59
58
59
60
71
78

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007

Ozone (du)

453
452
451
452
453
453
452
454
452
451
450
446
443
442
439
438
439
442
443
442
446
447
447
447

Saturday 27

Waning Gibbous 83%

01:54

07:30

21 Good
22 Good
23 Good
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Bad
07 OK
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

Sun - Rise: 05:49, Set: 20:53, Transit: 13:21. Moon - Rise: 01:54, Set: 07:30. Civil Dark: 21:32 - 05:08. Nautical Dark: 22:27 - 04:12. Astro Dark: 23:41 - 02:57

Total Clouds (% Sky Obscured)

2
3
8
28
83
71
42
45
31
43
13
68
65
74
78
76
72
94
87
97
99
89
99
77

Low Clouds (% Sky Obscured)

0
0
2
3
5
5
6
3
3
3
3
2
12
51
57
48
59
73
79
81
95
43
83
48

Medium Clouds (% Sky Obscured)

0
0
0
2
55
67
37
45
8
28
6
29
25
20
60
56
30
58
34
64
68
61
62
52

High Clouds (% Sky Obscured)

2
3
6
26
33
34
41
49
31
43
5
44
36
7
0
2
0
0
0
2
17
30
36
17

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
7
8
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
1
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
Very Light Rain
None
None
Light Rain
None
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
1
1
1
1
8
20
28
36
38
36
35
61
50
67
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.5
0
0.5
0

Wind Speed/Direction (mph)

2
3
3
3
2
2
2
2
2
2
3
4
5
5
7
8
8
9
8
8
8
9
7
5

Chance of Frost

Temperature (°C)

8
6
5
4
4
4
4
3
3
3
3
4
6
8
10
10
10
10
11
12
12
11
10
9

Feels Like (°C)

8
5
4
3
2
1
1
1
1
1
0
2
2
5
7
7
7
7
7
8
9
8
9
7

Dew Point (°C)

5
3
2
1
2
2
3
2
2
2
2
2
2
3
3
3
2
3
4
5
7
7
7
6

Relative Humidity (%)

84
82
83
83
83
89
93
93
91
93
93
85
76
69
64
61
59
59
60
62
72
75
81
82

Pressure (mb)

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

Ozone (du)

448
449
448
447
447
447
447
448
446
445
446
447
448
449
451
453
455
455
454
451
449
446
445
445

Sunday 28

Waning Gibbous 74%

02:52

08:32

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:47, Set: 20:55, Transit: 13:21. Moon - Rise: 02:52, Set: 08:32. Civil Dark: 21:35 - 05:05. Nautical Dark: 22:30 - 04:09. Astro Dark: 23:45 - 02:52

Total Clouds (% Sky Obscured)

63
72
84
98
98
100
100
92
85
71
100
100
99
100
100
99
96
100
99
100
98
99
99
100

Low Clouds (% Sky Obscured)

47
32
40
33
48
63
81
90
82
78
70
21
78
97
92
98
88
79
78
79
61
36
40
72

Medium Clouds (% Sky Obscured)

65
65
67
90
95
92
100
76
54
34
93
100
96
100
100
98
58
100
57
100
93
97
98
99

High Clouds (% Sky Obscured)

55
62
68
86
62
35
35
30
2
2
64
4
27
69
100
80
50
100
87
73
41
40
60
82

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
8
9
9
3
8
9
9
9
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

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

Precipitation Probability (%)

19
20
14
9
18
20
13
9
3
3
6
17
57
83
95
90
54
69
59
66
44
36
46
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.5
0
0.4
0.2
0.4
0
0
0
0.3

Wind Speed/Direction (mph)

4
5
6
6
6
6
5
5
5
4
5
6
10
10
15
16
17
20
18
17
16
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
91
94
94
93
91
90
90
91
88
82
80
77
81
90
85
92
93
93
88
87
88

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

446
447
445
445
446
445
444
444
445
444
443
443
441
442
444
442
440
436
430
427
430
430
428
427

Monday 29

Waning Gibbous 64%

03:32

09:53

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:45, Set: 20:57, Transit: 13:21. Moon - Rise: 03:32, Set: 09:53. Civil Dark: 21:37 - 05:03. Nautical Dark: 22:33 - 04:06. Astro Dark: 23:50 - 02:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
94
95
96
97
97
97

Low Clouds (% Sky Obscured)

81
89
93
97
98
59
62
52
51
88
96
94
92
94
94
96
91
85
80
82
84
85
86
86

Medium Clouds (% Sky Obscured)

100
100
100
98
48
57
93
92
93
92
95
93
93
62
83
95
90
91
83
89
89
86
93
92

High Clouds (% Sky Obscured)

100
98
96
95
96
98
100
99
99
98
78
58
32
19
53
82
69
22
31
28
46
20
26
46

ISS Passover

Visibility (miles)

6
5
3
4
9
9
9
9
9
9
8
5
6
9
9
9
9
9
3
2
9
9
6
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

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

Precipitation Probability (%)

65
89
95
67
56
60
64
53
45
47
76
86
77
65
62
62
55
93
95
71
45
40
51
34

Precipitation Amount (mm)

0.3
0.7
0.9
0.3
0
0.3
0.3
0
0
0
0.5
0.7
0.4
0.3
0.3
0.4
0
0.8
0.9
0.5
0
0
0.2
0

Wind Speed/Direction (mph)

15
14
15
16
14
14
11
11
11
11
11
14
15
17
17
18
18
18
18
18
18
16
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
93
95
95
91
95
95
96
96
96
96
98
96
93
91
87
80
95
96
95
95
95
95

Pressure (mb)

1006
1006
1006
1005
1004
1005
1005
1005
1005
1005
1005
1005
1006
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1005

Ozone (du)

428
430
430
431
432
433
438
437
437
436
434
434
432
432
434
434
433
431
429
426
427
427
428
428

Tuesday 30

Waning Gibbous 52%

03:57

11:24

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:43, Set: 20:59, Transit: 13:21. Moon - Rise: 03:57, Set: 11:24. Civil Dark: 21:39 - 05:00. Nautical Dark: 22:36 - 04:03. Astro Dark: 23:55 - 02:41

Total Clouds (% Sky Obscured)

98
98
98
98
97
96
93
95
97
99
99
99
98
89
95
89
91
93
95
88
80
69
75
87

Low Clouds (% Sky Obscured)

84
83
42
35
47
54
48
55
48
66
68
74
81
66
74
68
60
52
43
38
34
30
42
51

Medium Clouds (% Sky Obscured)

88
91
87
86
83
72
76
84
81
96
96
79
57
57
42
34
44
54
60
48
32
27
28
30

High Clouds (% Sky Obscured)

46
60
74
89
74
63
32
55
56
54
60
62
17
22
66
57
63
70
74
58
40
24
49
74

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
7
1
7
9
9
9
9
9
9
9
9
9
9
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

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 (%)

32
31
30
23
20
14
3
6
26
27
22
15
12
24
31
13
22
21
18
18
16
10
12
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
96
96
98
96
96
98
100
100
100
96
93
89
84
79
78
78
76
82
86
90
92

Pressure (mb)

1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

429
428
429
429
430
430
428
425
423
421
420
418
418
418
419
419
420
421
422
423
421
420
418
419

Wednesday 1

Third Quarter 41%

04:14

12:58

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:41, Set: N/A, Transit: 13:21. Moon - Rise: 04:14, Set: 12:58. Civil Dark: 21:41 - 04:58. Nautical Dark: 22:38 - 04:00. Astro Dark: 00:01 - 02:34

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
100
100

Low Clouds (% Sky Obscured)

62
67
74
70
75
70
70
65
65
65
64
59
60
64
73
80
74
72
68
73
75
79
64
50

Medium Clouds (% Sky Obscured)

28
49
67
85
73
64
51
61
73
82
82
80
80
79
79
78
80
86
88
86
83
82
84
84

High Clouds (% Sky Obscured)

99
97
95
93
81
68
56
67
82
97
98
99
100
100
100
100
98
95
92
92
93
94
73
51

ISS Passover

Visibility (miles)

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

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
3
3
2
13
15
10
28
32
19
35
36
25
33
32
22
36
38
34
41
48
54
48
38

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
98
98
98
98
96
96
96
96
95
95
91
90
88
87
86
84
86
89
92
93
95
96
96

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

419
420
419
419
418
416
415
413
412
412
411
410
409
408
408
407
407
405
403
402
400
399
398
398

Thursday 2

Waning Crescent 29%

04:26

14:32

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:39, Set: 21:01, Transit: 13:21. Moon - Rise: 04:26, Set: 14:32. Civil Dark: 21:43 - 04:56. Nautical Dark: 22:41 - 03:57. Astro Dark: 00:07 - 02:28

Total Clouds (% Sky Obscured)

100
94
84
77
84
94
100
100
100
100
100
100
100
100
100
100
100
100
100
87
75
71

Low Clouds (% Sky Obscured)

36
34
36
34
46
65
80
87
93
100
91
82
73
68
65
58
52
51
45
32
25
19

Medium Clouds (% Sky Obscured)

86
76
65
54
51
43
36
37
43
50
60
63
66
60
51
42
29
19
8
17
25
34

High Clouds (% Sky Obscured)

29
33
35
30
50
77
100
97
92
86
88
93
100
100
100
100
100
100
100
84
63
47

ISS Passover

Visibility (miles)

9
9
9
8
7
5
3
1
1
1
0
0
0
0
3
6
9
9
9
8
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

Precipitation Type

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
23
23
19
23
22
20
26
31
35
39
41
43
41
37
32
30
27
22
22
22
22

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
8
8
8
4
3
3
3
4
4
6
7
8
9
10
11
11
12
11
12
12

Dew Point (°C)

10
10
8
8
7
6
6
6
6
6
6
8
10
11
12
12
13
13
12
12
12
11

Relative Humidity (%)

96
98
96
96
94
94
96
98
98
96
98
98
98
98
98
96
96
93
89
84
86
87

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012

Ozone (du)

398
397
396
395
394
392
390
388
387
385
384
385
386
386
389
392
395
397
399
402
407
412

Forecast for Knockmore, Lisburn and Castlereagh, United Kingdom (54.51,-6.07)

Generated: 26/04/24 21:07:35. Forecast: 26/04/24 to 02/05/24. Timezone: UTC+1.00