Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waning Gibbous 67%

02:15

10:18

17 OK
18 OK
19 Good
20 Good
21 Good
22 OK
23 OK
00 OK
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

Sun - Rise: 05:12, Set: 21:05, Transit: 13:09. Moon - Rise: 02:15, Set: 10:18. Civil Dark: 21:48 - 04:29. Nautical Dark: 22:47 - 03:29. Astro Dark: 00:32 - 01:38

Total Clouds (% Sky Obscured)

14
7
4
7
9
20
35
34
38
41
63
100
100
100
100
100
100
99
98
71
88
94
100
100

Low Clouds (% Sky Obscured)

11
7
4
7
9
20
2
13
32
36
44
34
30
20
14
20
44
35
41
31
20
15
70
45

Medium Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
0
0
10
27
77
88
59
88
100
99
94
57
66
2
2
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
34
24
9
8
31
100
100
100
100
100
99
72
61
9
61
94
100
100

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
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 (%)

14
5
4
0
0
0
0
0
0
3
0
0
0
0
0
2
2
2
3
2
0
0
0
0

Precipitation Amount (mm)

0.13
0.01
0.01
0
0
0
0
0
0
0.01
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

21
20
20
19
18
17
16
16
16
15
15
14
12
10
10
10
11
11
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

16
15
15
14
13
13
13
13
12
12
12
12
12
12
12
13
14
15
15
16
17
17
18
17

Feels Like (°C)

16
15
15
14
13
13
13
13
12
12
12
12
12
12
12
13
14
15
15
16
17
17
18
17

Dew Point (°C)

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

Relative Humidity (%)

75
75
75
76
78
81
83
84
86
86
86
85
85
85
85
81
78
75
73
71
69
66
65
65

Pressure (mb)

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

Ozone (du)

392
385
381
375
372
368
364
358
351
347
346
346
344
343
343
342
341
340
339
338
336
337
339
340

Saturday 21

Waning Gibbous 56%

02:43

11:43

17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 Bad
23 Good
00 Good
01 Good
02 Good
03 Good
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

Sun - Rise: 05:11, Set: 21:06, Transit: 13:09. Moon - Rise: 02:43, Set: 11:43. Civil Dark: 21:49 - 04:28. Nautical Dark: 22:49 - 03:27. Astro Dark: 00:41 - 01:24

Total Clouds (% Sky Obscured)

95
90
76
45
36
56
9
9
9
4
10
41
70
73
100
85
99
100
100
100
98
95
96
64

Low Clouds (% Sky Obscured)

30
40
73
31
10
6
2
5
0
0
7
11
7
38
99
81
99
99
100
100
95
72
83
55

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
5
0
0
0
0
0
0
0
0
9
21
45
96
97
85
80
87
26

High Clouds (% Sky Obscured)

92
84
19
20
28
54
1
6
9
4
3
34
69
56
70
20
9
0
0
0
2
15
0
2

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
18
8
3
2
2
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
0
0
0
0
0
0
0
0
0
0
0
4

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
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
16
15
14
13
12
12
11
11
11
10
10
10
11
12
14
15
17
18
19
19
19
18

Feels Like (°C)

17
16
16
15
14
13
12
12
11
11
11
10
10
10
11
12
14
15
17
18
19
19
19
18

Dew Point (°C)

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

Relative Humidity (%)

64
66
69
73
77
80
82
84
87
88
88
88
88
88
86
81
76
72
69
67
64
63
65
67

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1013
1012

Ozone (du)

341
341
340
343
346
347
348
348
346
345
346
346
345
345
345
345
346
347
346
345
342
341
340
340

Sunday 22

Third Quarter 45%

03:03

13:06

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:10, Set: 21:08, Transit: 13:09. Moon - Rise: 03:03, Set: 13:06. Civil Dark: 21:51 - 04:26. Nautical Dark: 22:52 - 03:25. Astro Dark: 00:55 - N/A

Total Clouds (% Sky Obscured)

93
100
100
100
87
90
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

79
100
100
100
78
81
98
99
100
100
99
100
100
84
95
95
95
95
95
95
18
18
18
18

Medium Clouds (% Sky Obscured)

88
100
88
22
12
45
52
20
81
100
96
34
29
76
99
99
99
99
99
99
90
90
90
90

High Clouds (% Sky Obscured)

9
47
18
20
38
5
0
0
0
0
0
2
77
95
82
82
82
82
82
82
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
6
10
10
10
10
10
10
10
10
10
10
10
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

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

Precipitation Probability (%)

7
17
0
0
4
0
0
3
12
14
21
20
20
13
10
7
4
7
26
34
32
26
26
33

Precipitation Amount (mm)

0.06
0.16
0
0
0.01
0
0
0.01
0.05
0.05
0.11
0.08
0.08
0.06
0.04
0.01
0.01
0.01
0.23
0.3
0.24
0.17
0.18
0.22

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
16
15
15
14
14
13
13
13
12
12
12
12
12
13
14
15
16
16
15
15
14
14

Feels Like (°C)

18
17
16
15
15
14
14
13
13
13
12
12
12
12
12
13
14
15
16
16
15
15
14
14

Dew Point (°C)

12
12
12
12
11
11
11
11
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

69
72
75
78
80
82
85
88
91
93
96
97
98
96
91
86
80
75
73
72
78
79
81
85

Pressure (mb)

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

Ozone (du)

339
338
338
338
338
339
339
338
339
338
338
337
337
338
337
337
338
339
341
344
345
349
352
356

Monday 23

Waning Crescent 34%

03:19

14:24

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

Sun - Rise: 05:09, Set: 21:09, Transit: 13:10. Moon - Rise: 03:19, Set: 14:24. Civil Dark: 21:52 - 04:25. Nautical Dark: 22:54 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
55
55
55
55
55
55
4
4
4
4
4
4
88
88
88
88
88
88
100
100
100
100

Low Clouds (% Sky Obscured)

18
18
18
18
18
18
18
18
2
2
2
2
2
2
11
11
11
11
11
11
16
16
16
16

Medium Clouds (% Sky Obscured)

90
90
41
41
41
41
41
41
2
2
2
2
2
2
0
0
0
0
0
0
22
22
22
22

High Clouds (% Sky Obscured)

100
100
30
30
30
30
30
30
0
0
0
0
0
0
88
88
88
88
88
88
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

42
34
23
19
28
29
27
27
28
28
37
35
27
17
16
12
10
10
8
8
8
7
4
3

Precipitation Amount (mm)

0.31
0.25
0.21
0.16
0.23
0.2
0.14
0.16
0.15
0.15
0.23
0.23
0.17
0.1
0.09
0.07
0.07
0.07
0.05
0.04
0.05
0.03
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
80
84
86
88
89
93
95
95
96
95
95
94
92
88
83
79
76
74
73
71
68
68

Pressure (mb)

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

Ozone (du)

362
370
386
387
387
389
390
389
385
383
378
373
373
376
377
377
379
381
382
384
387
387
386
383

Tuesday 24

Waning Crescent 24%

03:32

15:40

17 Bad
18 Bad
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
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 OK

Sun - Rise: 05:07, Set: 21:11, Transit: 13:10. Moon - Rise: 03:32, Set: 15:40. Civil Dark: 21:54 - 04:24. Nautical Dark: 22:56 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
0
0
0
0
0
0
99
99
99
99
99
99
100
100
100
100
100
100
26
26
26
26

Low Clouds (% Sky Obscured)

16
16
0
0
0
0
0
0
27
27
27
27
27
27
97
97
97
97
97
97
7
7
7
7

Medium Clouds (% Sky Obscured)

22
22
0
0
0
0
0
0
99
99
99
99
99
99
100
100
100
100
100
100
12
12
12
12

High Clouds (% Sky Obscured)

100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9

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

None
None
None
None
None
None
None
None
None
None
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
None
None
None

Precipitation Probability (%)

3
3
3
2
2
0
0
0
0
5
7
13
16
16
21
15
12
11
10
8
7
5
4
0

Precipitation Amount (mm)

0.01
0.02
0.01
0.01
0.01
0
0
0
0
0.01
0.02
0.05
0.08
0.11
0.18
0.16
0.13
0.1
0.07
0.05
0.04
0.03
0.01
0

Wind Speed/Direction (mph)

16
15
15
14
14
14
14
15
16
16
17
18
19
20
20
21
21
22
23
23
23
22
21
20

Chance of Frost

Temperature (°C)

15
15
14
14
13
13
12
12
12
11
11
11
12
12
12
13
14
14
15
15
15
16
16
16

Feels Like (°C)

15
15
14
14
13
13
12
12
12
11
11
11
12
12
12
13
14
14
15
15
15
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

68
69
72
75
78
81
85
89
90
91
93
94
95
94
93
93
93
92
89
85
81
77
74
72

Pressure (mb)

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

Ozone (du)

381
377
372
367
362
358
354
352
348
347
345
345
344
342
343
342
341
340
340
341
342
343
344
345

Wednesday 25

Waning Crescent 16%

03:45

16:54

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

Sun - Rise: 05:06, Set: 21:12, Transit: 13:10. Moon - Rise: 03:45, Set: 16:54. Civil Dark: 21:56 - 04:22. Nautical Dark: 22:58 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

26
26
43
43
43
43
43
43
6
6
6
6
6
6
100
100
100
100
100
100
98
98
98
98

Low Clouds (% Sky Obscured)

7
7
20
20
20
20
20
20
2
2
2
2
2
2
3
3
3
3
3
3
91
91
91
91

Medium Clouds (% Sky Obscured)

12
12
32
32
32
32
32
32
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

9
9
0
0
0
0
0
0
2
2
2
2
2
2
100
100
100
100
100
100
83
83
83
83

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

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
0
0
0
0
0
0
0
0
0
0
3
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
0.01
0.01

Wind Speed/Direction (mph)

19
19
18
17
15
14
13
12
11
10
10
10
10
10
10
11
13
14
15
16
16
17
18
18

Chance of Frost

Temperature (°C)

16
16
15
15
14
14
13
13
12
12
12
12
12
12
13
13
14
15
15
15
16
16
17
17

Feels Like (°C)

16
16
15
15
14
14
13
13
12
12
12
12
12
12
13
13
14
15
15
15
16
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

72
71
72
74
78
82
87
92
95
96
96
94
92
89
87
84
81
79
78
78
78
77
76
76

Pressure (mb)

1014
1014
1015
1016
1017
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1021
1020
1020
1021
1021
1020
1020

Ozone (du)

346
347
348
349
350
351
351
350
350
350
350
350
350
350
349
349
347
347
347
348
349
350
351
352

Thursday 26

Waning Crescent 9%

03:58

16:54

17 Bad
18 Bad
19 Bad
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

Sun - Rise: 05:05, Set: 21:13, Transit: 13:10. Moon - Rise: 03:58, Set: 16:54. Civil Dark: 21:57 - 04:21. Nautical Dark: 23:00 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
98
74
74
74
74
74
74
4
4
4
4
4
4
3
3
3
3
3
3
99
99
99
99

Low Clouds (% Sky Obscured)

91
91
11
11
11
11
11
11
0
0
0
0
0
0
2
2
2
2
2
2
99
99
99
99

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

83
83
71
71
71
71
71
71
4
4
4
4
4
4
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
9
8
9
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

None
None
None
None
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

Precipitation Probability (%)

2
3
3
4
6
8
6
3
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0.01
0.02
0.03
0.05
0.07
0.06
0.04
0.03
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
18
17
15
14
13
11
10
9
9
8
8
8
8
8
7
8
9
10
11
13
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
16
16
15
14
14
13
12
11
10
8
8
8
10
11
13
14
15
15
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

77
78
80
84
92
98
100
99
96
94
93
91
90
90
89
86
81
76
73
71
69
68
69
69

Pressure (mb)

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

Ozone (du)

352
352
353
354
355
356
357
358
358
357
356
354
353
352
352
352
352
352
351
350
349
349
348
347

Forecast for Barry, Vale of Glamorgan, UK (51.40,-3.28)

Generated: 20/05/22 17:55:54. Forecast: 20/05/22 to 26/05/22. Timezone: UTC+1.00