Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 27

Waxing Gibbous 95%

18:39

03:04

23 Good
00 Good
01 OK
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
21 Bad
22 Bad

Sun - Rise: 04:51, Set: 21:09, Transit: 13:00. Moon - Rise: 18:39, Set: 03:04. Civil Dark: 21:54 - 04:06. Nautical Dark: 23:00 - 02:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

7
5
0
17
43
25
53
57
92
88
79
86
84
79
100
100
100
85
98
100
100
100
100
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

7
3
0
17
23
13
21
14
11
31
32
0
0
4
14
71
91
85
88
85
100
83
72
54

High Clouds (% Sky Obscured)

0
2
0
6
40
25
53
46
57
60
56
73
66
73
100
100
100
75
97
100
100
97
90
62

ISS Passover

Visibility (miles)

9
9
9
8
9
7
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
Light Rain
None
Light Rain
Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
36
67
37
67
79
20
38
50
17
4
0
0
1
4
10
3
0
0
3
10
16
27

Precipitation Amount (mm)

0
0
0
0.5
0
0.6
0.7
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
14
13
12
12
12
12
13
14
17
19
21
24
26
28
29
29
28
29
28
27
24
23
22

Feels Like (°C)

13
12
11
10
10
9
9
10
12
16
19
21
23
26
27
28
28
28
29
28
27
25
22
22

Dew Point (°C)

11
10
9
8
10
11
11
12
13
15
16
17
18
19
20
21
20
22
23
23
23
21
20
18

Relative Humidity (%)

80
79
77
77
92
95
95
95
92
89
84
75
70
67
63
62
61
66
69
72
77
79
83
79

Pressure (mb)

1025
1025
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1020
1020
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

331
329
328
329
329
331
331
333
336
336
336
338
339
339
337
335
332
329
329
327
327
327
331
336

Thursday 28

Waxing Gibbous 95%

19:53

03:19

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

Sun - Rise: 04:50, Set: 21:10, Transit: 13:00. Moon - Rise: 19:53, Set: 03:19. Civil Dark: 21:56 - 04:05. Nautical Dark: 23:02 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
39
82
67
100
99
100
100
100
100
100
100
100
100
100
100
100
100
79
23
24
14
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
14
0
0

Medium Clouds (% Sky Obscured)

4
6
73
27
76
26
95
100
67
88
100
100
100
100
93
100
64
7
16
9
11
0
0
0

High Clouds (% Sky Obscured)

81
39
82
67
100
99
100
100
100
100
100
100
100
100
100
100
100
100
48
6
0
2
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
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 (%)

18
2
0
10
0
0
17
11
15
17
5
5
1
0
0
0
0
0
0
0
0
0
0
0

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

Chance of Frost

Temperature (°C)

21
20
19
18
17
16
16
16
16
17
19
20
21
21
22
22
23
23
24
24
23
22
19
18

Feels Like (°C)

20
19
18
17
16
15
15
15
15
16
17
18
19
20
21
20
21
21
22
24
24
23
20
18

Dew Point (°C)

18
18
16
16
16
15
15
15
14
14
15
15
16
16
16
15
15
15
15
17
17
18
17
16

Relative Humidity (%)

82
84
82
85
92
93
95
93
87
81
77
75
73
70
68
64
60
57
58
63
70
78
84
90

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

333
332
330
329
328
329
328
326
326
325
325
325
325
324
325
327
331
336
339
339
340
339
339
339

Friday 29

Waxing Gibbous 98%

21:05

03:39

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

Sun - Rise: 04:50, Set: 21:11, Transit: 13:00. Moon - Rise: 21:05, Set: 03:39. Civil Dark: 21:57 - 04:03. Nautical Dark: 23:04 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
46
27
41
38
34
24
66
40
59
99
100
100
100
98
100
91
100
98
38
56
79
95
87

Low Clouds (% Sky Obscured)

0
6
0
5
15
5
0
0
0
0
0
3
29
32
35
30
5
0
15
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
23
16
17
6
8
1
17
11
13
14
11
17
29
65
93
43
88
79
38
56
74
54
55

High Clouds (% Sky Obscured)

0
2
6
41
38
34
24
50
32
49
97
100
100
99
72
59
55
87
83
37
51
66
85
63

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
0
0
0
0
0
0
0
1
0
1
0
0
0

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)

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

Chance of Frost

Temperature (°C)

16
15
14
13
13
12
11
12
14
16
19
20
22
23
24
25
25
24
23
23
21
19
17
16

Feels Like (°C)

17
16
14
14
12
11
10
11
14
17
18
20
22
23
23
24
24
25
22
22
20
18
16
14

Dew Point (°C)

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

Relative Humidity (%)

89
87
89
90
90
92
92
92
87
82
76
71
66
61
58
56
55
56
60
65
72
76
78
78

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1019
1019
1018
1017
1017
1016
1016
1016
1016
1016
1016

Ozone (du)

338
336
336
336
336
337
337
336
335
335
336
337
338
339
338
337
336
335
335
334
335
340
346
350

Saturday 30

Waxing Gibbous 100%

22:11

04:07

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
21 OK
22 Bad

Sun - Rise: 04:49, Set: 21:12, Transit: 13:01. Moon - Rise: 22:11, Set: 04:07. Civil Dark: 21:59 - 04:02. Nautical Dark: 23:06 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
50
58
78
79
81
98
100
100
100
100
97
94
86
87
80
80
81
63
63
57
47
35
43

Low Clouds (% Sky Obscured)

1
1
23
59
73
69
73
60
64
60
62
60
54
50
52
56
58
58
40
33
31
31
29
35

Medium Clouds (% Sky Obscured)

75
41
30
49
17
11
6
0
20
72
51
52
79
37
29
34
37
39
35
34
21
12
2
5

High Clouds (% Sky Obscured)

42
1
0
0
0
30
68
100
100
100
100
71
53
40
45
2
0
0
0
0
0
0
0
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
1
0
1
1
10
5
13
9
24
28
20
8
13
5
0
0
1
0

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
82
89
92
84
83
83
80
84
80
77
70
70
69
72
67
68
63
61
67
71
77
86
92

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

357
363
368
372
374
365
356
354
352
351
351
349
349
351
355
358
360
363
357
353
351
349
347
345

Sunday 31

Full Moon 99%

23:06

04:45

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
21 Bad
22 Bad

Sun - Rise: 04:48, Set: 21:13, Transit: 13:01. Moon - Rise: 23:06, Set: 04:45. Civil Dark: 22:00 - 04:01. Nautical Dark: 23:08 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

53
67
73
80
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
95
92
92

Low Clouds (% Sky Obscured)

42
49
53
61
64
70
77
85
91
95
100
98
97
95
89
82
76
67
58
49
49
49
50
55

Medium Clouds (% Sky Obscured)

11
21
30
38
50
49
73
59
63
61
61
84
84
85
78
64
49
64
81
96
83
69
56
45

High Clouds (% Sky Obscured)

24
34
43
58
97
99
97
89
98
98
100
93
84
100
100
100
100
100
100
100
93
89
82
73

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
0
1
6
1
6
8
9
33
81
58
50
33
21
35
45
60
57
45
26
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.3
0
0
0
0
0
0.2
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
12
12
11
11
12
13
13
15
16
17
17
16
17
17
18
18
18
17
18
17
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
98
98
96
100
96
95
92
85
78
82
96
96
96
96
95
96
98
96
98
98
98

Pressure (mb)

1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1012
1012
1011
1010
1010
1009
1008
1008
1007
1007
1007
1006

Ozone (du)

344
343
342
341
341
341
340
340
341
341
343
343
346
347
350
352
354
356
358
361
364
367
370
374

Monday 1

Waning Gibbous 97%

23:06

05:36

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
21 Bad
22 Bad

Sun - Rise: 04:47, Set: 21:15, Transit: 13:01. Moon - Rise: 23:06, Set: 05:36. Civil Dark: 22:01 - 04:00. Nautical Dark: 23:10 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
91
94
97
100
100
100
100
99
97
96
92
89
86
86
87
87
77
66
60
68
80
90
96

Low Clouds (% Sky Obscured)

61
67
68
69
70
72
74
75
64
58
51
52
53
53
47
41
36
24
12
0
28
55
73
77

Medium Clouds (% Sky Obscured)

34
22
30
40
55
55
55
40
27
24
26
37
53
67
54
50
47
43
40
37
41
41
45
54

High Clouds (% Sky Obscured)

60
50
58
66
82
83
87
90
64
34
3
3
3
2
2
1
0
1
1
2
29
48
65
58

ISS Passover

Visibility (miles)

0
0
0
1
1
1
4
7
9
9
9
8
9
9
9
8
7
6
7
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
50
58
54
38
51
59
69
76
74
67
58
52
49
50
48
42
45
42
26
25
23
30
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
14
14
14
13
13
13
13
13
13
13
13
13
13
14
14
14
15
14
14
13
13
14
14

Relative Humidity (%)

98
98
98
98
96
98
96
96
95
92
89
87
85
82
79
77
75
73
72
72
72
77
85
92

Pressure (mb)

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

Ozone (du)

377
380
384
388
392
397
397
396
396
394
391
388
386
384
381
380
378
376
371
366
361
359
358
356

Tuesday 2

Waning Gibbous 93%

23:48

06:39

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: 04:46, Set: 21:16, Transit: 13:01. Moon - Rise: 23:48, Set: 06:39. Civil Dark: 22:03 - 03:59. Nautical Dark: 23:12 - 02:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
100
95
89
84
87
91
95
97
98
100
98
97
96
95
96
96
94
90
75

Low Clouds (% Sky Obscured)

81
90
90
80
70
76
82
88
83
78
74
74
75
74
71
67
64
60
57
47

Medium Clouds (% Sky Obscured)

60
70
69
68
62
70
74
75
71
65
57
59
64
68
69
70
70
62
50
37

High Clouds (% Sky Obscured)

59
70
59
49
43
36
38
40
60
80
100
83
63
40
30
30
15
15
15
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
3
0
0
0
0
2
4
7
7
8

Fog (%)

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

Precipitation Probability (%)

60
71
66
54
44
52
62
73
74
73
83
81
76
73
65
56
51
49
46
44

Precipitation Amount (mm)

0.2
0.3
0.3
0
0
0
0.3
0.4
0.5
0.5
0.6
0.5
0.4
0.4
0.3
0.2
0.2
0.2
0
0

Wind Speed/Direction (mph)

10
12
13
14
14
15
16
16
17
17
18
20
19
18
17
17
16
16
15
14

Chance of Frost

Temperature (°C)

15
14
14
14
14
14
14
14
14
14
14
14
14
15
15
16
17
17
17
16

Feels Like (°C)

17
16
15
12
12
12
11
10
9
11
10
9
9
10
10
13
13
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
96
98
98
95
90
87
89
93
96
96
98
98
93
89
86
85
82

Pressure (mb)

1004
1003
1002
1001
999
998
997
996
995
995
996
997
998
998
999
999
998
998
998
998

Ozone (du)

355
354
353
352
350
349
348
348
348
348
348
348
350
351
353
354
355
356
360
364

Forecast for Crownhill, Milton Keynes, United Kingdom (52.03,-0.81)

Generated: 27/05/26 23:16:33. Forecast: 27/05/26 to 02/06/26. Timezone: UTC+1.00