Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 27

Waxing Gibbous 89%

No Rise

03:05

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

Sun - Rise: 04:52, Set: 21:11, Transit: 13:02. Moon - Rise: No Rise, Set: 03:05. Civil Dark: 21:57 - 04:05. Nautical Dark: 23:06 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
3
41
76
81
82
81
95
79
78
94
92
85
66
92
42
47
96
100
82
100
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
9
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
3
23
21
13
12
20
45
79
64
24
17
8
0
22
17
4
18
39
76
51
53

High Clouds (% Sky Obscured)

0
0
0
0
16
50
51
52
61
88
45
45
90
84
72
65
80
42
41
95
100
82
100
85

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
2
6
17
15
61
69
87
95
85
46
30
20
4
2
1
0
7
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.5
0.9
1.1
0.7
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
23
21
19
17
16
14
13
12
12
12
12
13
14
15
18
21
23
25
27
27
27
28
28

Feels Like (°C)

25
22
21
17
15
14
12
10
10
10
9
10
10
12
14
16
19
22
24
26
26
27
27
27

Dew Point (°C)

20
19
18
15
14
12
11
9
10
11
11
12
12
13
14
16
18
19
21
21
20
20
22
22

Relative Humidity (%)

76
78
80
80
79
79
79
76
87
92
93
96
96
96
93
89
84
78
75
70
66
65
69
70

Pressure (mb)

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

Ozone (du)

327
327
326
328
330
330
329
328
329
331
332
332
334
334
335
338
338
338
338
337
336
333
333
332

Thursday 28

Waxing Gibbous 95%

18:42

03:20

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
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 OK
16 OK
17 OK

Sun - Rise: 04:51, Set: 21:12, Transit: 13:02. Moon - Rise: 18:42, Set: 03:20. Civil Dark: 21:59 - 04:04. Nautical Dark: 23:08 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
92
98
26
88
100
86
100
100
100
100
100
100
100
100
100
100
100
100
39
17
19

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
10
0
0
0
23
24
0
13
0
0
0
0
6
11

Medium Clouds (% Sky Obscured)

95
100
90
92
31
13
20
63
48
64
61
70
56
100
100
100
99
97
91
94
65
25
6
5

High Clouds (% Sky Obscured)

100
98
100
79
97
26
84
100
83
100
100
100
100
100
100
100
100
100
100
100
100
37
0
0

ISS Passover

Visibility (miles)

9
9
9
6
7
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
4
14
34
28
5
4
3
1
8
11
2
14
20
8
0
0
1
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)

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

Chance of Frost

Temperature (°C)

27
25
24
22
21
21
20
19
18
17
16
16
16
17
18
19
19
21
21
21
22
22
23
23

Feels Like (°C)

27
26
23
21
20
20
20
19
17
16
15
15
14
16
17
17
18
19
18
18
19
19
20
23

Dew Point (°C)

22
22
20
17
19
19
19
19
18
17
16
15
15
16
16
17
17
16
14
13
13
13
14
15

Relative Humidity (%)

73
79
78
73
88
92
93
95
96
98
96
95
93
92
90
88
84
75
66
60
58
57
57
62

Pressure (mb)

1020
1020
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

330
330
335
341
336
335
334
333
331
331
330
329
328
329
328
327
327
330
332
333
335
336
338
339

Friday 29

Waxing Gibbous 98%

19:57

03:39

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

Sun - Rise: 04:50, Set: 21:14, Transit: 13:02. Moon - Rise: 19:57, Set: 03:39. Civil Dark: 22:00 - 04:03. Nautical Dark: 23:10 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

15
7
11
5
11
14
30
35
37
36
28
57
73
35
47
54
55
80
98
99
99
100
100
87

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
11
26
4
5
2
38
39
40
34
30
24
29
7

Medium Clouds (% Sky Obscured)

7
3
4
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
29
87
91
92
80
24

High Clouds (% Sky Obscured)

0
0
2
5
11
14
30
35
33
28
23
40
49
29
43
48
31
80
87
91
95
100
100
87

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
2
0
0
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
0

Wind Speed/Direction (mph)

9
8
6
5
4
4
3
2
2
2
1
0
1
1
2
3
4
4
5
6
7
8
10
9

Chance of Frost

Temperature (°C)

23
22
21
18
15
14
13
13
12
11
11
10
11
13
16
18
19
20
21
22
22
21
21
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
73
80
83
80
80
83
87
87
87
88
90
87
83
79
74
69
66
64
62
61
66
68
68

Pressure (mb)

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

Ozone (du)

340
341
341
338
336
337
337
338
338
338
338
337
337
337
337
337
337
337
337
337
337
341
346
350

Saturday 30

Waxing Gibbous 100%

21:10

04:07

18 Bad
19 Bad
20 Bad
21 Bad
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
17 Bad

Sun - Rise: 04:49, Set: 21:15, Transit: 13:02. Moon - Rise: 21:10, Set: 04:07. Civil Dark: 22:02 - 04:02. Nautical Dark: 23:12 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
94
89
57
47
36
26
37
35
66
100
100
100
100
100
99
94
89
84
82
80
66
71
53

Low Clouds (% Sky Obscured)

0
0
25
20
22
25
26
33
30
36
50
53
51
56
60
77
79
71
63
62
61
48
56
46

Medium Clouds (% Sky Obscured)

61
75
78
32
29
27
26
16
7
0
1
2
7
68
78
93
85
70
55
44
39
29
22
20

High Clouds (% Sky Obscured)

86
70
37
0
0
0
0
27
35
66
100
100
100
95
89
84
50
18
0
0
0
0
0
0

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
7
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 (%)

3
4
1
0
0
0
0
0
0
0
0
0
0
1
4
7
17
21
10
10
13
22
21
18

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)

9
8
9
9
9
7
6
5
5
5
5
6
6
9
9
10
12
12
12
13
13
13
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
75
79
77
79
87
89
90
93
95
96
92
90
92
84
79
78
78
77
72
69
70
70
73

Pressure (mb)

1017
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

354
360
366
373
372
372
374
373
366
359
355
354
353
353
353
356
357
359
361
360
358
350
345
340

Sunday 31

Full Moon 99%

22:16

04:45

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: 04:48, Set: 21:16, Transit: 13:03. Moon - Rise: 22:16, Set: 04:45. Civil Dark: 22:03 - 04:01. Nautical Dark: 23:15 - 02:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

59
61
59
68
58
57
52
68
91
95
96
90
94
89
93
99
100
100
100
95
90
85
90
95

Low Clouds (% Sky Obscured)

47
35
23
15
25
36
43
57
67
70
76
82
91
80
84
88
78
68
58
58
59
61
71
80

Medium Clouds (% Sky Obscured)

17
19
19
14
16
20
24
30
34
57
87
63
46
27
44
64
74
83
94
84
71
56
71
88

High Clouds (% Sky Obscured)

0
23
48
68
51
25
0
6
11
15
58
47
62
41
47
63
76
88
100
85
68
51
68
84

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
2
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
8
1
0
0
0
0
0
0
0
3
2
2
10
20
28
71
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9
1.3
0.9
0.9
1
0.9
1

Wind Speed/Direction (mph)

14
14
12
11
10
10
9
10
9
10
10
11
11
11
12
13
14
15
17
18
18
18
19
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
79
85
87
93
95
96
95
92
90
90
92
89
89
90
92
93
95
98
96
96
96
98

Pressure (mb)

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

Ozone (du)

339
338
337
338
339
338
338
338
338
338
338
340
341
339
339
339
339
340
341
342
344
345
347
351

Monday 1

Waning Gibbous 97%

23:11

05:36

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: 04:47, Set: 21:17, Transit: 13:03. Moon - Rise: 23:11, Set: 05:36. Civil Dark: 22:04 - 04:00. Nautical Dark: 23:17 - 02:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
88
75
60
74
87
100
99
98
95
96
97
98
95
92
90
93
96
98
94
91

Low Clouds (% Sky Obscured)

88
83
80
77
72
67
60
70
79
90
89
87
83
84
85
80
72
64
58
53
51
49
58
67

Medium Clouds (% Sky Obscured)

100
91
86
79
53
27
1
2
5
9
21
37
46
38
37
30
28
32
44
41
39
39
32
29

High Clouds (% Sky Obscured)

100
100
100
100
72
43
15
43
73
99
97
95
93
86
77
70
71
72
64
67
75
89
79
65

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
91
78
70
55
39
22
18
12
6
9
10
6
15
23
35
48
61
72
79
81
78
80
86

Precipitation Amount (mm)

0.8
0.6
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.4
0.4
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
98
98
96
96
96
95
93
92
90
89
90
92
93
90
87
85
85
85
83
86

Pressure (mb)

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

Ozone (du)

355
359
362
364
366
368
370
373
376
379
383
385
387
389
391
393
395
396
397
398
397
396
395
393

Tuesday 2

Waning Gibbous 93%

23:53

06:39

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

Sun - Rise: 04:47, Set: 21:18, Transit: 13:03. Moon - Rise: 23:53, Set: 06:39. Civil Dark: 22:06 - 03:59. Nautical Dark: 23:19 - 02:45. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

87
88
86
88
87
81
54
44
46
60
55
50
46
62
78
93
90
91
94

Low Clouds (% Sky Obscured)

76
85
86
88
87
81
54
44
45
31
22
16
14
17
22
27
49
70
89

Medium Clouds (% Sky Obscured)

30
28
27
26
25
29
28
19
9
0
0
1
1
20
38
57
67
78
91

High Clouds (% Sky Obscured)

42
62
68
65
40
17
0
9
15
16
12
4
4
3
4
10
15
15
20

ISS Passover

Visibility (miles)

5
5
7
8
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

Precipitation Type

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

Precipitation Probability (%)

94
89
84
89
95
95
91
64
40
23
14
5
0
0
0
3
26
41
52

Precipitation Amount (mm)

0.7
0.6
0.4
0.5
0.8
0.8
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
92
93
96
96
96
96
98
96
96
96
96
96
92
89
84
89
92

Pressure (mb)

1002
1002
1001
1001
1001
1001
1001
1001
1002
1002
1003
1003
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

390
388
386
384
383
378
374
370
367
364
361
359
357
354
353
351
350
349
348

Forecast for Bilton, Warwickshire, United Kingdom (52.35,-1.29)

Generated: 27/05/26 18:49:50. Forecast: 27/05/26 to 02/06/26. Timezone: UTC+1.00