Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 25

Waxing Gibbous 74%

No Rise

02:40

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

Sun - Rise: 04:53, Set: 21:05, Transit: 13:00. Moon - Rise: No Rise, Set: 02:40. Civil Dark: 21:50 - 04:08. Nautical Dark: 22:55 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
10
0
0
0
0
0
0
0
0
0
0
0
14
22
5
0
2
0
0
34
44
44
66

Low 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
4
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
10
15
2
0
1
0
0
7
18
19
25

High Clouds (% Sky Obscured)

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

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
8
6
5
4
5
4
4
4
4
4
4
4
3
3
4
5
5
6
6
6
6
6

Chance of Frost

Temperature (°C)

32
32
31
30
29
26
23
21
20
19
18
18
17
17
17
19
22
25
27
29
31
32
32
32

Feels Like (°C)

35
36
36
35
33
29
26
24
21
21
20
20
19
19
19
22
24
27
29
31
33
34
34
35

Dew Point (°C)

19
21
24
25
25
23
19
17
15
16
15
15
15
14
14
16
17
18
19
20
21
21
21
22

Relative Humidity (%)

45
53
64
74
80
82
78
74
74
80
82
85
83
83
82
78
71
66
61
58
56
53
52
53

Pressure (mb)

1029
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1026
1026
1025

Ozone (du)

317
316
316
316
316
317
317
317
316
316
315
317
317
318
318
318
318
319
321
321
321
321
321
319

Tuesday 26

Waxing Gibbous 82%

16:10

02:51

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

Sun - Rise: 04:52, Set: 21:06, Transit: 13:00. Moon - Rise: 16:10, Set: 02:51. Civil Dark: 21:51 - 04:07. Nautical Dark: 22:57 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

57
56
90
30
0
0
32
56
61
55
45
37
53
68
61
45
67
81
72
73
72
50
33
32

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
16
32
26
42
33
46
51
40
13
13
47
34
12
2
5
2
0

Medium Clouds (% Sky Obscured)

32
31
37
15
0
0
14
16
23
25
0
0
5
18
23
19
26
26
24
36
36
28
21
19

High Clouds (% Sky Obscured)

0
0
30
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
18
56
40
27
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
9
6
0
0
0
0
4
3
6
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
10
46
59
24
46
29
2
1
16
18
8
4
15
0
0
4
6
5
3
13
4
0
0

Precipitation Amount (mm)

0
0
0
0.4
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
5
6
5
5
8
8
8
8
9
10
10
10
11
11
12
12
13
13
13
14
14

Chance of Frost

Temperature (°C)

33
33
32
30
26
23
20
18
17
16
15
14
14
13
14
15
16
18
19
21
22
23
24
25

Feels Like (°C)

35
36
36
34
30
27
24
20
18
17
15
12
12
12
12
12
14
16
17
19
21
22
22
23

Dew Point (°C)

22
23
25
24
22
20
18
17
16
15
15
14
13
13
13
14
15
17
17
17
17
17
17
18

Relative Humidity (%)

53
55
65
73
77
81
85
95
98
98
100
98
98
98
98
96
95
93
86
79
69
66
64
65

Pressure (mb)

1025
1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026
1026

Ozone (du)

319
319
318
319
322
324
325
327
328
329
329
329
330
331
332
332
331
330
330
329
328
327
328
329

Wednesday 27

Waxing Gibbous 89%

17:24

03:04

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

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)

38
43
33
35
35
13
21
57
42
47
80
89
71
77
70
100
15
11
99
82
100
73
56
39

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
0
0
0
0
0
12
8
4
0

Medium Clouds (% Sky Obscured)

23
26
22
23
22
8
11
27
24
25
18
33
71
77
70
48
1
0
0
0
3
3
7
2

High Clouds (% Sky Obscured)

2
2
0
0
0
0
0
0
0
0
65
66
11
35
49
100
15
11
97
64
100
73
53
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
9
3
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
Very Light Rain
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
2
44
42
63
51
16
47
35
38
4
0
6
1
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
24
23
21
19
17
15
13
12
11
11
11
11
11
12
13
15
18
20
22
24
25
26
26

Feels Like (°C)

23
22
22
20
18
15
13
12
11
10
9
10
9
10
9
11
13
15
18
19
24
24
24
25

Dew Point (°C)

17
16
17
15
14
12
10
8
7
6
6
7
8
10
11
12
13
14
15
15
16
16
17
18

Relative Humidity (%)

63
62
67
69
71
72
71
71
70
71
70
75
83
92
92
90
86
79
72
64
59
57
57
58

Pressure (mb)

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

Ozone (du)

329
329
329
329
329
330
332
334
336
337
338
335
334
337
340
340
341
341
341
341
337
335
333
333

Thursday 28

Waxing Gibbous 95%

18:38

03:19

16 OK
17 OK
18 OK
19 OK
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

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)

38
32
21
43
70
90
100
100
100
99
99
93
97
99
100
85
83
71
80
90
100
96
93
90

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
11
23
35
25
16
6
5
4
3
11
17
23
21
21
19

Medium Clouds (% Sky Obscured)

38
32
21
29
27
15
4
3
1
2
0
2
16
30
48
40
35
27
39
69
55
47
44
34

High Clouds (% Sky Obscured)

23
21
16
41
61
90
100
100
100
98
96
92
95
97
100
78
76
62
76
86
100
79
52
28

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)

12
11
9
9
7
7
7
6
6
6
6
6
6
5
5
5
6
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

27
26
25
24
22
20
19
18
17
16
16
15
14
14
14
15
17
19
21
22
23
24
24
25

Feels Like (°C)

25
26
26
24
24
21
20
18
17
16
15
14
13
13
14
15
17
18
21
22
23
24
25
25

Dew Point (°C)

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

Relative Humidity (%)

61
67
71
75
84
86
91
92
92
93
93
92
90
90
86
83
74
69
64
63
59
58
56
56

Pressure (mb)

1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022

Ozone (du)

332
331
332
337
340
338
334
331
329
328
328
329
328
328
326
325
323
322
322
323
323
324
324
324

Friday 29

Waxing Gibbous 98%

19:53

03:39

16 Bad
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 OK
11 OK
12 OK
13 OK
14 OK
15 OK

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)

92
93
94
93
92
90
93
96
100
100
100
100
99
96
91
62
58
46
35
33
36
27
17
8

Low Clouds (% Sky Obscured)

21
22
24
16
9
0
0
0
0
0
0
0
0
0
0
1
2
3
2
1
0
0
0
0

Medium Clouds (% Sky Obscured)

29
89
93
92
92
85
80
86
100
99
99
98
93
92
65
18
13
11
14
18
23
20
17
8

High Clouds (% Sky Obscured)

30
28
30
36
33
22
44
71
85
93
91
100
76
47
23
33
39
27
20
17
17
19
17
8

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
24
30
21
10
5
14
10
18
10
3
1
8
7
4
4
3
2
2
8
17

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)

5
4
3
3
2
3
3
4
6
7
6
6
5
6
6
6
5
8
10
10
11
11
12
12

Chance of Frost

Temperature (°C)

25
25
25
25
23
21
20
19
18
17
17
16
16
16
17
17
19
21
23
25
26
27
27
28

Feels Like (°C)

26
26
27
27
26
23
22
21
18
17
16
16
16
16
17
19
20
21
22
23
24
25
29
27

Dew Point (°C)

16
17
19
20
19
18
18
17
17
15
14
14
14
14
15
15
15
16
17
17
17
17
18
19

Relative Humidity (%)

58
60
69
76
78
83
89
89
90
88
86
86
87
89
89
85
78
73
67
63
57
53
56
58

Pressure (mb)

1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1019
1018
1018
1017
1016
1016
1015
1014

Ozone (du)

325
325
326
329
331
333
334
335
335
335
334
334
334
334
335
336
337
339
340
342
343
344
343
343

Saturday 30

Waxing Gibbous 100%

21:05

04:07

16 Bad
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 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 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)

31
54
78
71
65
63
71
76
80
86
92
98
94
88
82
58
34
13
36
59
82
73
64
54

Low Clouds (% Sky Obscured)

3
5
8
6
3
0
1
1
1
13
22
33
28
21
19
12
10
8
29
45
63
46
32
19

Medium Clouds (% Sky Obscured)

29
45
59
65
65
63
71
51
35
45
50
61
65
62
59
39
17
3
10
15
22
19
18
12

High Clouds (% Sky Obscured)

24
31
35
32
28
25
19
14
14
42
70
98
68
38
8
10
6
3
2
1
0
0
0
0

ISS Passover

Visibility (miles)

8
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 (%)

23
28
36
38
26
2
3
4
0
0
0
0
5
7
9
12
14
16
16
15
14
13
11
8

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

Chance of Frost

Temperature (°C)

28
27
26
24
22
20
19
17
16
15
15
15
14
15
15
16
17
18
19
20
21
22
21
22

Feels Like (°C)

27
29
30
31
19
19
18
17
17
15
12
12
12
12
11
10
13
12
12
13
14
15
17
16

Dew Point (°C)

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

Relative Humidity (%)

62
68
76
83
81
80
80
82
87
92
92
92
90
84
79
73
71
66
63
63
63
63
61
60

Pressure (mb)

1013
1013
1013
1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

342
345
348
350
358
366
374
369
363
358
359
359
359
359
360
360
360
360
360
357
355
353
350
347

Sunday 31

Full Moon 99%

22:11

04:45

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
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: 04:48, 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)

57
60
63
54
46
37
56
79
100
100
100
100
100
99
99
99
98
98
93
85
81

Low Clouds (% Sky Obscured)

28
37
46
40
35
29
33
35
37
42
46
57
68
76
80
91
96
98
93
85
81

Medium Clouds (% Sky Obscured)

7
5
3
7
11
15
16
17
23
25
23
20
18
19
21
18
21
17
26
33
37

High Clouds (% Sky Obscured)

12
26
43
34
24
18
33
51
78
89
91
92
64
34
2
2
3
3
9
15
51

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

Fog (%)

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

Precipitation Probability (%)

7
4
0
0
0
0
1
0
0
2
2
0
7
6
3
12
12
13
13
13
17

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
61
65
68
70
72
73
77
79
82
86
87
90
90
89
87
86
85
82
83
83

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1015
1015
1014
1014
1014
1013
1013

Ozone (du)

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

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

Generated: 25/05/26 16:20:29. Forecast: 25/05/26 to 31/05/26. Timezone: UTC+1.00