Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waning Gibbous 76%

01:38

09:17

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

Sun - Rise: 05:59, Set: 20:42, Transit: 13:21. Moon - Rise: 01:38, Set: 09:17. Civil Dark: 21:22 - 05:19. Nautical Dark: 22:14 - 04:26. Astro Dark: 23:20 - 03:18

Total Clouds (% Sky Obscured)

14
91
97
98
98
99
93
98
94
92
95
80
64
72
92
96
83
38
24
31
52
73
98
100

Low Clouds (% Sky Obscured)

0
0
0
2
12
8
13
20
14
14
13
22
5
1
0
0
0
12
19
24
38
62
66
100

Medium Clouds (% Sky Obscured)

9
7
3
4
6
6
34
74
85
89
90
62
11
3
2
25
78
32
8
11
33
45
32
66

High Clouds (% Sky Obscured)

6
90
97
98
98
99
92
98
86
74
88
65
62
72
92
96
70
0
2
5
9
14
96
100

ISS Passover

Visibility (miles)

6
6
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
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
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0
8
28
53
66

Precipitation Amount (mm)

0
0
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0.01
0.23
1.05
1.78

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
14
13
13
13
12
12
11
11
10
10
10
10
10
11
12
13
14
15
16
17
16
15
14

Feels Like (°C)

15
14
13
13
13
12
12
11
11
10
10
7
7
10
11
12
13
14
15
16
17
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

62
65
66
69
70
71
72
73
75
77
78
80
81
81
80
78
75
72
69
67
65
66
70
74

Pressure (mb)

995
995
995
995
995
995
994
994
994
993
993
993
992
992
992
991
991
990
990
989
988
988
988
988

Ozone (du)

365
364
363
362
363
363
363
364
364
365
366
367
368
369
370
372
375
378
382
386
389
389
386
387

Wednesday 24

Waning Gibbous 66%

02:33

10:08

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

Sun - Rise: 05:57, Set: 20:44, Transit: 13:21. Moon - Rise: 02:33, Set: 10:08. Civil Dark: 21:24 - 05:16. Nautical Dark: 22:17 - 04:23. Astro Dark: 23:24 - 03:14

Total Clouds (% Sky Obscured)

98
100
100
100
100
23
96
34
44
62
51
35
48
40
99
98
97
100
100
99
98
88
91
84

Low Clouds (% Sky Obscured)

38
100
100
100
99
8
90
30
43
62
48
35
47
35
84
76
86
100
98
98
79
36
31
42

Medium Clouds (% Sky Obscured)

55
53
44
98
95
14
91
22
8
1
14
0
2
2
19
94
81
98
91
73
13
12
25
29

High Clouds (% Sky Obscured)

94
96
59
0
0
12
5
0
0
1
2
0
2
6
96
73
45
6
84
90
86
83
86
69

ISS Passover

Visibility (miles)

7
10
10
10
10
10
10
10
9
10
10
10
10
10
10
10
9
9
10
10
10
10
10
10

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

Precipitation Probability (%)

67
63
60
48
20
7
4
0
0
0
8
16
24
41
49
51
52
50
38
29
24
19
12
9

Precipitation Amount (mm)

1.53
1.19
1.11
0.67
0.2
0.04
0.01
0
0
0
0.01
0.02
0.06
0.2
0.37
0.43
0.45
0.44
0.35
0.24
0.16
0.1
0.06
0.04

Wind Speed/Direction (mph)

10
10
10
11
12
12
12
11
10
10
10
10
12
13
14
15
16
17
17
18
18
17
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
11
11
10
7
7
7
7
7
7
7
7
10
11
11
11
12
13
14
13
13
12

Dew Point (°C)

9
9
9
9
8
8
7
7
7
7
7
8
8
8
8
8
8
8
8
8
8
8
8
7

Relative Humidity (%)

77
81
84
85
84
83
83
84
84
85
86
87
88
88
86
84
82
81
77
72
69
69
70
72

Pressure (mb)

988
989
990
990
991
992
992
992
992
992
992
992
992
992
992
992
992
993
993
993
994
994
995
995

Ozone (du)

393
401
409
413
417
418
415
410
406
401
397
393
389
386
383
382
382
383
384
385
386
388
389
390

Thursday 25

Waning Gibbous 57%

03:17

11:07

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

Sun - Rise: 05:55, Set: 20:46, Transit: 13:21. Moon - Rise: 03:17, Set: 11:07. Civil Dark: 21:26 - 05:14. Nautical Dark: 22:20 - 04:20. Astro Dark: 23:29 - 03:09

Total Clouds (% Sky Obscured)

88
87
74
28
18
36
36
7
16
22
17
38
38
38
38
38
38
84
84
84
84
84
84
100

Low Clouds (% Sky Obscured)

35
13
9
3
3
6
4
7
16
22
17
38
38
38
38
38
38
61
61
61
61
61
61
100

Medium Clouds (% Sky Obscured)

37
35
2
0
0
1
2
1
0
0
1
0
0
0
0
0
0
58
58
58
58
58
58
100

High Clouds (% Sky Obscured)

77
82
73
27
16
33
34
0
0
0
0
0
0
0
0
0
0
26
26
26
26
26
26
33

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

10
13
12
9
5
0
8
18
37
49
60
70
72
67
57
48
41
39
30
23
23
30
46
61

Precipitation Amount (mm)

0.05
0.07
0.08
0.04
0.01
0
0.05
0.2
0.35
0.41
0.58
0.77
0.68
0.46
0.31
0.27
0.31
0.37
0.34
0.33
0.35
0.3
0.34
0.45

Wind Speed/Direction (mph)

12
10
9
9
10
11
11
11
11
11
11
12
12
12
12
11
9
10
1
11
12
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
10
10
10
10
7
7
6
6
6
6
7
10
11
12
12
12
13
13
14
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

74
77
79
80
79
80
81
83
85
85
85
85
86
85
82
79
75
73
69
65
63
64
66
71

Pressure (mb)

996
996
997
997
998
998
998
998
999
999
999
1000
1000
1001
1002
1002
1003
1003
1003
1003
1003
1003
1003
1002

Ozone (du)

391
390
389
387
385
383
384
387
389
390
391
392
391
389
389
390
392
395
399
403
406
408
409
410

Friday 26

Third Quarter 47%

03:51

12:11

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

Sun - Rise: 05:52, Set: 20:47, Transit: 13:21. Moon - Rise: 03:51, Set: 12:11. Civil Dark: 21:28 - 05:11. Nautical Dark: 22:22 - 04:17. Astro Dark: 23:33 - 03:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
91

Low Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
99
99
99
37
37
37
37
37
37
22
22
22
22
22
22
16

Medium Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
99
99
99
100
100
100
100
100
100
98
98
98
98
98
98
88

High Clouds (% Sky Obscured)

33
33
33
33
33
28
28
28
28
28
28
98
98
98
98
98
98
77
77
77
77
77
77
42

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

70
76
78
78
75
73
54
56
54
42
26
18
0
0
0
0
3
3
2
0
0
0
0
3

Precipitation Amount (mm)

0.51
0.64
0.75
0.61
0.46
0.47
0.24
0.34
0.4
0.29
0.14
0.07
0
0
0
0
0.01
0.02
0.01
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
9
8
7
6
6
7
6
6
5
5
4
5
6
10
11
12
13
13
13
13
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

74
78
81
83
83
82
81
81
81
80
80
80
78
73
68
64
60
57
56
57
59
61
62
63

Pressure (mb)

1002
1002
1002
1002
1003
1003
1003
1004
1005
1007
1008
1010
1012
1013
1014
1016
1017
1018
1019
1019
1020
1021
1021
1022

Ozone (du)

411
412
413
414
415
416
417
418
417
412
405
399
396
395
393
389
384
379
376
373
370
368
366
364

Saturday 27

Waning Crescent 37%

04:18

13:17

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

Sun - Rise: 05:50, Set: 20:49, Transit: 13:21. Moon - Rise: 04:18, Set: 13:17. Civil Dark: 21:31 - 05:09. Nautical Dark: 22:25 - 04:13. Astro Dark: 23:38 - 02:59

Total Clouds (% Sky Obscured)

91
91
91
91
91
0
0
0
0
0
0
9
9
9
9
9
9
95
95
95
95
95
95
7

Low Clouds (% Sky Obscured)

16
16
16
16
16
0
0
0
0
0
0
8
8
8
8
8
8
95
95
95
95
95
95
7

Medium Clouds (% Sky Obscured)

88
88
88
88
88
0
0
0
0
0
0
2
2
2
2
2
2
5
5
5
5
5
5
0

High Clouds (% Sky Obscured)

42
42
42
42
42
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

9
16
17
11
4
1
0
1
1
0
0
0
0
4
4
4
5
5
5
4
4
4
4
5

Precipitation Amount (mm)

0.03
0.07
0.09
0.06
0.02
0.01
0
0.01
0.01
0
0
0
0
0.01
0.01
0.02
0.02
0.03
0.03
0.03
0.03
0.03
0.03
0.03

Wind Speed/Direction (mph)

12
12
11
6
9
9
4
7
7
7
7
8
9
10
11
12
13
13
13
13
12
12
12
11

Chance of Frost

Temperature (°C)

11
11
10
10
9
8
8
8
7
7
7
7
9
10
12
13
14
14
15
15
16
16
15
15

Feels Like (°C)

11
11
10
8
7
6
7
5
5
5
5
5
6
10
12
13
14
14
15
15
16
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

64
66
67
69
73
75
77
78
79
80
82
81
79
75
73
72
71
72
70
68
67
67
69
70

Pressure (mb)

1022
1022
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1017

Ozone (du)

362
361
360
357
355
352
349
346
343
339
335
331
326
322
318
315
313
311
311
311
311
309
308
307

Sunday 28

Waning Crescent 28%

04:40

14:25

20 Good
21 Good
22 Good
23 Good
00 Good
01 OK
02 OK
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

Sun - Rise: 05:48, Set: 20:51, Transit: 13:21. Moon - Rise: 04:40, Set: 14:25. Civil Dark: 21:33 - 05:06. Nautical Dark: 22:28 - 04:10. Astro Dark: 23:42 - 02:54

Total Clouds (% Sky Obscured)

7
7
7
7
7
23
23
23
23
23
23
99
99
99
99
99
99
100
100
100
100
100
100
74

Low Clouds (% Sky Obscured)

7
7
7
7
7
3
3
3
3
3
3
97
97
97
97
97
97
100
100
100
100
100
100
73

Medium Clouds (% Sky Obscured)

0
0
0
0
0
22
22
22
22
22
22
10
10
10
10
10
10
13
13
13
13
13
13
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
85
85
85
85
85
85
94
94
94
94
94
94
2

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
6
3
2
2
3
4
5
6
7
7
7
6
5
5
6
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very 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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

3
0
0
0
3
6
16
38
53
66
76
80
78
59
41
31
27
25
27
34
41
42
37
27

Precipitation Amount (mm)

0.01
0
0
0
0.01
0.04
0.11
0.26
0.4
0.55
0.96
1.25
0.84
0.33
0.17
0.13
0.1
0.1
0.14
0.24
0.3
0.27
0.2
0.13

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
75
75
76
77
78
80
81
83
86
86
86
84
79
75
71
70
70
71
73
74
73
72

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1013

Ozone (du)

307
307
307
308
308
309
310
311
313
316
321
326
330
333
336
338
339
340
341
343
345
349
354
358

Monday 29

Waning Crescent 20%

04:59

15:34

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

Sun - Rise: 05:46, Set: 20:53, Transit: 13:20. Moon - Rise: 04:59, Set: 15:34. Civil Dark: 21:35 - 05:04. Nautical Dark: 22:31 - 04:07. Astro Dark: 23:47 - 02:49

Total Clouds (% Sky Obscured)

74
74
74
74
74
58
58
58
58
58
58
96
96
96
96
96
96
74
74
74
74
74
74
84

Low Clouds (% Sky Obscured)

73
73
73
73
73
54
54
54
54
54
54
96
96
96
96
96
96
73
73
73
73
73
73
41

Medium Clouds (% Sky Obscured)

1
1
1
1
1
49
49
49
49
49
49
0
0
0
0
0
0
0
0
0
0
0
0
75

High Clouds (% Sky Obscured)

2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
62

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

17
13
11
7
3
0
0
0
0
0
0
0
0
0
0
0
6
6
5
5
5
4
3
4

Precipitation Amount (mm)

0.09
0.09
0.1
0.07
0.02
0
0
0
0
0
0
0
0
0
0
0
0.02
0.03
0.04
0.04
0.04
0.03
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
8
7
7
6
6
5
5
5
5
6
8
10
11
12
12
13
13
13
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

72
74
76
76
75
75
76
78
80
82
83
83
79
74
72
69
66
63
61
60
60
60
60
60

Pressure (mb)

1013
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010

Ozone (du)

363
367
370
369
366
364
362
360
359
358
358
358
357
355
354
353
352
352
353
354
356
358
360
361

Forecast for Belfast, Belfast, UK (54.60,-5.93)

Generated: 23/04/19 20:59:23. Forecast: 23/04/19 to 29/04/19. Timezone: UTC+1.00