Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 27

Waxing Gibbous 89%

17:24

03:04

17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
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: 04:51, Set: 21:07, Transit: 13:00. Moon - Rise: 17:24, Set: 03:04. Civil Dark: 21:53 - 04:06. Nautical Dark: 23:00 - 02:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
4
1
9
95
33
88
100
83
80
79
91
85
87
94
66
97
100
71
95
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
4
1
9
12
9
17
46
53
63
35
31
21
12
1
54
0
40
44
91
62

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
53
3
54
100
76
60
60
80
54
64
82
66
72
93
68
94
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
9
5
8
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
Light Rain
Light Rain
None
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
37
63
64
35
95
95
57
32
39
5
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.4
0
1.1
1
0.3
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
24
22
20
18
16
15
13
13
12
11
12
12
13
15
17
20
22
25
27
28
29
29
29

Feels Like (°C)

24
23
21
19
17
15
13
12
11
11
11
10
10
12
13
16
19
21
24
26
29
28
29
29

Dew Point (°C)

18
18
17
16
14
13
11
10
9
10
10
11
12
13
14
16
17
18
19
20
22
21
21
22

Relative Humidity (%)

66
71
74
76
78
81
80
79
80
90
93
95
95
95
93
90
86
78
71
68
66
62
62
67

Pressure (mb)

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

Ozone (du)

328
328
329
328
329
330
331
330
329
330
330
332
332
334
334
335
336
336
338
338
336
335
333
333

Thursday 28

Waxing Gibbous 95%

18:38

03:19

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 04:50, Set: 21:09, Transit: 13:00. Moon - Rise: 18:38, Set: 03:19. Civil Dark: 21:54 - 04:04. Nautical Dark: 23:02 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
99
100
100
76
86
95
12
100
100
100
67
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
20
8
4
9
0
0
0

Medium Clouds (% Sky Obscured)

18
73
100
100
76
80
58
4
31
60
59
32
63
64
95
81
100
100
100
92
88
96
62
60

High Clouds (% Sky Obscured)

97
67
100
81
62
66
95
12
100
100
100
67
100
100
100
100
100
100
100
100
100
100
97
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
9
9
7
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
1
5
9
12
1
0
1
15
29
9
17
8
2
1
2
1
1
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)

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

Chance of Frost

Temperature (°C)

29
29
27
25
23
22
21
21
20
18
18
17
16
16
18
19
20
21
21
21
22
22
23
23

Feels Like (°C)

29
29
28
26
24
21
20
20
18
17
16
16
15
16
17
18
19
20
20
20
19
20
20
21

Dew Point (°C)

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

Relative Humidity (%)

69
70
76
83
80
81
85
85
85
89
93
96
98
95
90
85
84
77
72
69
64
60
58
57

Pressure (mb)

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

Ozone (du)

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

Friday 29

Waxing Gibbous 98%

19:53

03:39

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

Sun - Rise: 04:49, Set: 21:10, Transit: 13:00. Moon - Rise: 19:53, Set: 03:39. Civil Dark: 21:56 - 04:03. Nautical Dark: 23:04 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

44
3
27
16
13
4
16
13
15
20
14
16
30
21
18
11
12
15
43
89
93
96
98
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
41
55
51
51
45
47

Medium Clouds (% Sky Obscured)

26
2
17
10
7
1
3
0
0
0
0
0
0
0
0
0
0
0
0
32
74
82
82
81

High Clouds (% Sky Obscured)

0
0
0
0
2
2
16
13
15
20
14
16
30
21
18
11
12
4
8
40
56
69
85
65

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
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)

8
7
7
5
5
6
5
4
3
3
3
2
1
2
1
2
3
4
4
4
5
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
23
23
22
19
16
15
13
12
11
11
11
11
11
14
17
20
22
22
23
22
22
22
22

Dew Point (°C)

14
16
17
18
16
15
13
12
11
10
10
10
9
9
11
12
13
14
14
15
15
15
15
15

Relative Humidity (%)

57
64
71
80
85
92
92
92
87
86
87
88
87
84
82
75
71
67
64
61
58
58
61
61

Pressure (mb)

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

Ozone (du)

339
341
342
343
340
338
337
337
338
337
337
337
337
338
337
336
337
337
336
336
335
335
338
344

Saturday 30

Waxing Gibbous 100%

21:05

04:07

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

Sun - Rise: 04:49, Set: 21:11, Transit: 13:00. Moon - Rise: 21:05, Set: 04:07. Civil Dark: 21:57 - 04:02. Nautical Dark: 23:06 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
95
91
89
72
57
35
22
46
67
41
100
100
100
100
100
100
99
97
96
90
89
92
87

Low Clouds (% Sky Obscured)

34
28
18
9
5
2
0
0
15
28
39
49
57
65
73
79
82
82
78
72
63
62
72
63

Medium Clouds (% Sky Obscured)

67
68
87
89
52
42
30
20
20
19
16
12
9
9
72
84
100
98
67
87
44
42
31
21

High Clouds (% Sky Obscured)

46
20
17
22
27
18
9
0
28
57
41
100
100
100
100
100
82
82
22
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
8
7
8
8
8
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

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 (%)

2
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
13
20
21
17
23
19
23

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)

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

Chance of Frost

Temperature (°C)

22
22
20
19
17
15
14
13
12
12
12
12
12
13
14
15
16
17
17
18
18
19
19
20

Feels Like (°C)

21
20
19
17
15
15
13
13
11
10
11
11
10
10
11
12
13
14
14
15
15
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

63
68
71
77
78
80
86
89
90
87
87
95
95
95
89
84
75
71
71
73
73
65
71
72

Pressure (mb)

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

Ozone (du)

347
351
357
365
371
373
373
376
377
367
360
355
354
353
353
354
354
355
359
360
360
358
352
346

Sunday 31

Full Moon 99%

22:11

04:45

17 Bad
18 Bad
19 Bad
20 OK
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

Sun - Rise: 04:48, Set: 21:12, Transit: 13:01. Moon - Rise: 22:11, Set: 04:45. Civil Dark: 21:59 - 04:01. Nautical Dark: 23:08 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
66
52
39
26
29
37
43
60
79
89
94
89
79
76
87
97
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

53
41
28
18
5
11
17
23
30
35
43
48
50
55
74
77
81
82
83
84
80
75
72
79

Medium Clouds (% Sky Obscured)

27
28
28
23
15
17
24
26
42
48
67
71
73
49
23
42
62
74
87
99
90
87
83
90

High Clouds (% Sky Obscured)

0
0
1
3
4
3
2
0
0
0
0
9
16
25
39
46
72
84
92
100
100
100
100
100

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8
9
7
5
3

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

17
11
1
1
0
0
0
0
0
0
0
0
0
0
9
17
25
59
91
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
0.2
0.6
0.9
0.9
0.7
0.8
1

Wind Speed/Direction (mph)

13
12
12
12
11
10
9
9
9
9
10
10
10
10
11
12
13
14
15
16
18
17
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
78
81
83
87
92
96
96
96
90
89
87
92
86
89
90
92
92
95
96
96
96
96

Pressure (mb)

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

Ozone (du)

341
338
338
337
338
338
337
336
336
338
337
338
339
339
338
338
337
337
338
339
340
341
342
344

Monday 1

Waning Gibbous 97%

23:06

05:36

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

Total Clouds (% Sky Obscured)

100
100
100
100
100
88
77
67
78
89
100
100
100
100
100
100
100
99
99
98
97
97
96
96

Low Clouds (% Sky Obscured)

85
90
89
89
90
80
70
61
62
68
67
66
67
67
67
66
66
64
59
56
51
49
47
57

Medium Clouds (% Sky Obscured)

94
100
91
88
86
84
77
67
45
25
8
29
49
65
55
38
35
35
40
49
52
58
58
47

High Clouds (% Sky Obscured)

100
100
100
100
100
71
40
10
40
70
100
98
96
94
81
73
65
48
30
12
23
37
50
59

ISS Passover

Visibility (miles)

5
7
9
6
4
1
4
6
9
9
9
9
9
9
9
8
7
6
5
4
3
4
6
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

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

Precipitation Probability (%)

95
94
87
73
50
64
65
57
44
29
17
16
12
11
11
12
19
39
55
72
83
89
90
85

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
98
98
98
96
96
95
93
93
93
92
90
90
90
90
87
85
82
82
82
82

Pressure (mb)

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

Ozone (du)

348
352
357
359
361
363
366
369
372
375
378
381
383
386
389
391
394
396
397
398
399
399
398
398

Tuesday 2

Waning Gibbous 93%

23:48

06:39

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 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 04:46, Set: 21:14, Transit: 13:01. Moon - Rise: 23:48, Set: 06:39. Civil Dark: 22:01 - 03:59. Nautical Dark: 23:12 - 02:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
95
95
93
92
96
91
87
68
49
43
38
33
28
52
77
97
96
95
95

Low Clouds (% Sky Obscured)

68
76
76
76
76
65
60
55
56
49
43
34
26
22
30
40
52
60
64
65

Medium Clouds (% Sky Obscured)

39
28
24
19
20
20
20
25
20
10
0
0
0
0
13
29
44
59
71
83

High Clouds (% Sky Obscured)

69
74
66
63
60
40
22
0
2
4
6
3
1
1
2
4
5
10
15
50

ISS Passover

Visibility (miles)

7
7
6
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
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

86
95
95
95
95
95
95
95
84
51
14
9
5
0
1
0
0
12
20
26

Precipitation Amount (mm)

0.5
0.8
0.7
0.7
0.7
1
1
0.8
0.5
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
92
93
95
96
96
96
95
96
96
96
96
96
96
92
89
86
86
84

Pressure (mb)

1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1002
1003
1003
1004
1004
1005
1005
1005
1005
1005

Ozone (du)

395
392
390
389
388
387
382
377
372
370
367
364
361
358
355
353
351
350
349
348

Forecast for Loughton, Milton Keynes, United Kingdom (52.03,-0.77)

Generated: 27/05/26 17:48:17. Forecast: 27/05/26 to 02/06/26. Timezone: UTC+1.00