Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waning Gibbous 67%

02:22

10:15

18 OK
19 OK
20 Bad
21 OK
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 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:10, Set: 21:11, Transit: 13:11. Moon - Rise: 02:22, Set: 10:15. Civil Dark: 21:55 - 04:25. Nautical Dark: 22:58 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

14
34
50
36
26
13
29
91
100
100
100
100
100
100
99
95
95
100
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

13
25
45
32
24
8
28
62
100
100
100
100
100
100
73
49
70
84
88
99
100
100
100
81

Medium Clouds (% Sky Obscured)

3
16
17
11
6
4
3
0
0
0
6
50
95
44
59
72
41
38
55
41
86
46
26
5

High Clouds (% Sky Obscured)

0
0
0
0
0
2
1
73
3
100
94
92
95
100
94
66
70
99
66
88
74
99
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
6
6
5
5
5
5
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
20
82
100
100
100
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

22
0
6
3
3
2
2
4
5
7
9
7
5
5
6
8
10
9
7
3
3
5
4
4

Precipitation Amount (mm)

0.11
0
0.03
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.03
0.02
0.01
0.01
0.02
0.04
0.06
0.05
0.04
0.01
0.03
0.03
0.02
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
85
87
88
91
93
95
96
97
97
96
95
93
91
89
84
79
71
67
66
69
71
74

Pressure (mb)

1015
1016
1016
1017
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019

Ozone (du)

384
382
376
370
367
364
358
350
349
348
348
347
349
350
348
346
345
343
342
340
340
340
340
341

Saturday 21

Waning Gibbous 56%

02:48

11:42

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

Sun - Rise: 05:08, Set: 21:12, Transit: 13:11. Moon - Rise: 02:48, Set: 11:42. Civil Dark: 21:56 - 04:24. Nautical Dark: 23:00 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
99
76
48
41
56
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
99
69
94

Low Clouds (% Sky Obscured)

99
91
76
48
40
55
100
100
100
100
100
100
100
100
100
100
100
83
100
55
56
37
42
48

Medium Clouds (% Sky Obscured)

1
0
1
0
1
0
0
0
0
38
16
9
0
0
0
0
0
0
7
48
41
49
23
84

High Clouds (% Sky Obscured)

96
88
0
0
0
3
0
55
88
82
100
98
99
100
100
98
100
100
91
97
100
97
28
56

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
34
100
100
100
100
100
100
100
30
75
24
6
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 (%)

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

Precipitation Amount (mm)

0.03
0.03
0.02
0
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
78
82
85
88
91
92
92
91
90
90
90
91
88
87
85
82
80
78
76
76
77
80

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1013
1012
1012
1011
1011

Ozone (du)

343
346
348
350
352
354
355
350
350
349
349
348
346
346
345
345
344
344
345
342
342
341
340
339

Sunday 22

Third Quarter 45%

03:07

13:05

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
17 Bad

Sun - Rise: 05:07, Set: 21:14, Transit: 13:11. Moon - Rise: 03:07, Set: 13:05. Civil Dark: 21:58 - 04:22. Nautical Dark: 23:02 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
100
99
95
99
100
100
100
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

73
99
93
52
45
70
100
100
85
100
100
100
100
100
100
100
100
100
100
45
45
45
45
45

Medium Clouds (% Sky Obscured)

47
23
96
88
98
99
97
99
70
7
23
38
28
98
98
98
98
98
98
100
100
100
100
100

High Clouds (% Sky Obscured)

81
79
2
0
0
0
4
6
0
0
0
48
97
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
6
4
2
2
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
1
30
52
32
100
100
100
71
37
37
37
37
37
37
37
37
37
37
37

Precipitation Type

None
None
None
None
Very Light Rain
None
None
None
None
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

Precipitation Probability (%)

4
5
4
4
6
3
4
3
5
6
6
5
4
4
0
0
0
9
21
37
33
32
18
19

Precipitation Amount (mm)

0.01
0.02
0.02
0.02
0.05
0.01
0.03
0.01
0.02
0.02
0.02
0.01
0.01
0.01
0
0
0
0.02
0.12
0.29
0.25
0.21
0.09
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
88
88
91
94
97
100
100
100
100
99
96
93
88
83
81
81
83
84
82
81
83
85

Pressure (mb)

1010
1010
1010
1009
1009
1009
1009
1008
1008
1007
1006
1006
1005
1005
1004
1004
1004
1003
1003
1003
1003
1003
1002
1002

Ozone (du)

338
337
337
338
339
339
339
338
338
338
337
338
339
339
340
341
342
344
348
350
352
353
357
362

Monday 23

Waning Crescent 34%

03:22

14:25

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 OK
14 OK
15 OK
16 OK
17 OK

Sun - Rise: 05:06, Set: 21:15, Transit: 13:11. Moon - Rise: 03:22, Set: 14:25. Civil Dark: 22:00 - 04:21. Nautical Dark: 23:05 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
55
55
55
55
55
55
95
95
95
95
95
95
98
98
98
98
98
98
30
30
30
30
30

Low Clouds (% Sky Obscured)

45
54
54
54
54
54
54
95
95
95
95
95
95
98
98
98
98
98
98
23
23
23
23
23

Medium Clouds (% Sky Obscured)

100
4
4
4
4
4
4
16
16
16
16
16
16
25
25
25
25
25
25
15
15
15
15
15

High Clouds (% Sky Obscured)

100
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
4
4
4
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37

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
None
None
None

Precipitation Probability (%)

35
31
39
21
27
21
20
26
40
36
41
42
35
27
11
8
8
8
8
11
9
5
3
3

Precipitation Amount (mm)

0.24
0.24
0.36
0.14
0.18
0.11
0.11
0.14
0.3
0.22
0.26
0.29
0.24
0.19
0.05
0.03
0.02
0.03
0.03
0.07
0.05
0.04
0.03
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
94
97
99
100
100
100
100
100
100
100
100
98
91
88
84
80
75
73
69
65
63
65

Pressure (mb)

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

Ozone (du)

365
382
384
383
383
384
384
380
382
382
381
382
383
384
384
383
382
382
382
385
385
383
383
380

Tuesday 24

Waning Crescent 24%

03:34

15:42

18 OK
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 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:05, Set: 21:16, Transit: 13:11. Moon - Rise: 03:34, Set: 15:42. Civil Dark: 22:01 - 04:19. Nautical Dark: 23:07 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

30
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98

Low Clouds (% Sky Obscured)

23
0
0
0
0
0
0
6
6
6
6
6
6
100
100
100
100
100
100
95
95
95
95
95

Medium Clouds (% Sky Obscured)

15
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
61
61
61
61
61

High Clouds (% Sky Obscured)

0
0
0
0
0
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 (%)

37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37

Precipitation Type

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
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

4
4
4
4
4
4
3
4
6
19
28
33
30
29
21
14
13
13
10
7
6
5
4
4

Precipitation Amount (mm)

0.03
0.02
0.03
0.01
0.01
0.01
0.01
0.01
0.03
0.09
0.19
0.27
0.29
0.36
0.21
0.1
0.09
0.09
0.08
0.07
0.05
0.04
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
75
82
90
94
95
94
94
95
97
99
100
100
100
99
98
96
90
83
75
69
65
63
64

Pressure (mb)

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

Ozone (du)

376
372
366
361
356
354
354
347
344
343
341
341
340
342
341
340
339
339
338
338
339
340
341
343

Wednesday 25

Waning Crescent 16%

03:46

16:57

18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
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

Sun - Rise: 05:04, Set: 21:18, Transit: 13:11. Moon - Rise: 03:46, Set: 16:57. Civil Dark: 22:03 - 04:18. Nautical Dark: 23:10 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
42
42
42
42
42
42
76
76
76
76
76
76
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

95
41
41
41
41
41
41
75
75
75
75
75
75
82
82
82
82
82
82
100
100
100
100
100

Medium Clouds (% Sky Obscured)

61
17
17
17
17
17
17
9
9
9
9
9
9
0
0
0
0
0
0
1
1
1
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
3
3
3
3
3
100
100
100
100
100
100
68
68
68
68
68

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 (%)

37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37

Precipitation Type

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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

2
0
0
0
2
3
3
3
3
3
3
3
3
3
2
3
4
4
5
6
7
6
7
8

Precipitation Amount (mm)

0.01
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.04
0.04
0.07
0.1
0.16

Wind Speed/Direction (mph)

14
13
12
10
9
8
8
8
7
6
6
7
8
10
11
12
13
13
14
14
15
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
68
73
78
82
87
92
97
99
100
100
98
95
92
87
82
79
80
82
83
80
77
77
82

Pressure (mb)

1013
1014
1015
1015
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

345
346
347
348
348
348
347
347
348
349
350
350
349
349
350
350
351
351
352
353
355
357
358
358

Thursday 26

Waning Crescent 9%

03:58

No Set

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

Sun - Rise: 05:03, Set: 21:19, Transit: 13:11. Moon - Rise: 03:58, Set: No Set. Civil Dark: 22:05 - 04:17. Nautical Dark: 23:12 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
38
38
38
38
38
38
66
66
66
66
66
66
17
17
17
17
17
17
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
21
21
21
21
21
21
59
59
59
59
59
59
2
2
2
2
2
2
100
100
100
100
100

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
16
16
16
16
16
16
16
16
16
16
16
16
2
2
2
2
2

High Clouds (% Sky Obscured)

68
20
20
20
20
20
20
3
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37

Precipitation Type

Very Light Rain
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 (%)

13
21
16
8
4
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.38
0.55
0.36
0.11
0.04
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
15
13
11
10
9
8
7
7
6
6
6
6
6
6
7
8
9
10
11
11
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
11
10
7
6
5
4
4
3
3
4
4
5
6
8
11
12
13
13
14
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

90
97
99
99
97
98
99
100
98
96
93
92
91
89
85
79
72
68
65
62
61
60
61
63

Pressure (mb)

1018
1019
1019
1020
1021
1021
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

358
358
360
362
364
365
365
365
364
362
360
358
357
356
354
352
351
351
351
350
350
350
349
348

Forecast for Rhayader LD6 5HF, UK (52.27,-3.69)

Generated: 20/05/22 18:30:37. Forecast: 20/05/22 to 26/05/22. Timezone: UTC+1.00