Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 25

Waxing Gibbous 74%

14:55

02:40

10 Good
11 Good
12 Good
13 OK
14 OK
15 OK
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 Good
07 Good
08 Good
09 Good

Sun - Rise: 04:53, Set: 21:05, Transit: 13:00. Moon - Rise: 14:55, 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
0
0
0
0
0
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

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)

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)

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

Chance of Frost

Temperature (°C)

26
28
29
31
31
32
32
32
31
31
29
26
23
22
21
19
19
18
18
17
17
19
22
25

Feels Like (°C)

29
31
32
33
34
35
35
36
36
36
33
29
26
24
23
22
21
21
20
19
20
22
25
27

Dew Point (°C)

20
20
20
20
20
20
20
22
24
25
24
22
19
18
17
16
16
16
16
15
15
16
18
18

Relative Humidity (%)

67
62
58
54
51
48
49
56
65
73
77
79
77
76
79
82
86
86
88
88
85
82
74
68

Pressure (mb)

1031
1031
1031
1030
1030
1030
1029
1029
1029
1028
1029
1029
1029
1030
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028

Ozone (du)

317
318
317
316
315
316
316
315
314
314
314
315
316
316
316
315
315
316
316
317
319
321
320
320

Tuesday 26

Waxing Gibbous 82%

16:10

02:51

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

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)

0
0
0
65
66
64
61
38
41
26
9
9
25
36
50
57
73
77
91
88
78
84
100
100

Low Clouds (% Sky Obscured)

0
0
0
15
11
0
0
0
0
0
0
0
0
8
27
29
33
35
60
56
50
53
50
38

Medium Clouds (% Sky Obscured)

0
0
0
27
29
27
26
14
19
15
6
6
17
20
29
28
22
27
31
37
29
37
48
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
4
1
0
4
14
2
10
0
0
0
65
67

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
2
3
17
24
40
55
51
49
27
5
5
37
35
19
7
15
24
16
9
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
5
6
6
6
6
5
3
3
5
7
8
8
8
9
10
10
10
11
11
11
12

Chance of Frost

Temperature (°C)

27
29
31
32
33
33
33
32
32
31
29
26
22
19
17
16
15
15
14
14
14
15
16
17

Feels Like (°C)

30
32
33
35
35
36
36
36
36
36
34
30
25
20
18
17
15
13
13
12
12
13
14
15

Dew Point (°C)

20
21
21
22
22
22
22
22
24
25
25
22
20
18
16
15
15
14
14
14
13
14
15
16

Relative Humidity (%)

64
60
57
53
53
51
52
55
64
72
77
82
88
96
96
98
100
98
100
98
96
96
96
92

Pressure (mb)

1028
1028
1027
1027
1026
1025
1025
1025
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1028

Ozone (du)

320
321
321
320
320
321
321
322
322
322
324
326
327
329
330
330
331
331
330
331
332
332
332
332

Wednesday 27

Waxing Gibbous 89%

17:24

03:04

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

100
100
98
97
90
89
88
86
81
9
48
20
0
5
29
0
23
88
96
100
100
100
97
100

Low Clouds (% Sky Obscured)

29
8
8
24
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
14
41
28
19
8

Medium Clouds (% Sky Obscured)

29
23
32
30
23
19
12
1
0
0
4
0
0
2
9
0
8
21
49
60
81
71
29
26

High Clouds (% Sky Obscured)

63
64
63
59
47
57
62
67
63
7
33
15
0
0
0
0
3
57
71
100
100
100
96
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
4
8
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
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

22
4
4
0
0
0
0
0
0
0
0
0
0
0
2
12
28
52
93
76
69
31
30
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8
0.4
0.6
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
20
22
22
22
22
21
21
19
17
15
13
11
10
9
9
9
8
9
9
10
12
14

Dew Point (°C)

16
17
17
16
16
16
16
16
16
15
13
11
10
8
6
5
4
5
7
9
10
11
12
13

Relative Humidity (%)

89
85
77
66
65
64
64
65
70
72
73
73
73
70
70
68
66
72
85
93
95
93
89
79

Pressure (mb)

1028
1028
1027
1027
1026
1026
1026
1025
1025
1025
1025
1026
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1023
1023

Ozone (du)

331
330
329
330
330
331
331
331
331
331
330
330
332
334
334
336
335
334
338
335
338
341
341
340

Thursday 28

Waxing Gibbous 95%

18:38

03:19

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

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)

53
61
39
52
70
86
78
65
40
33
22
74
71
62
50
59
78
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

11
14
17
20
25
29
30
33
35
25
13
0
0
0
0
13
25
33
41
45
51
48
48
45

Medium Clouds (% Sky Obscured)

17
9
0
14
31
44
30
17
2
3
1
2
0
0
2
2
0
0
2
4
33
49
54
78

High Clouds (% Sky Obscured)

53
44
15
15
10
10
16
19
19
20
21
40
37
32
40
59
78
100
100
100
100
100
100
100

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 (%)

12
10
1
2
1
0
1
2
0
0
0
0
0
0
0
0
0
0
0
2
3
14
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
20
21
22
24
25
26
26
27
27
26
23
19
18
17
15
15
14
13
13
12
13
15
16

Dew Point (°C)

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

Relative Humidity (%)

71
65
61
59
62
64
64
71
72
76
83
91
92
92
92
92
93
96
95
93
90
86
81
74

Pressure (mb)

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

Ozone (du)

338
336
334
332
331
331
330
330
339
340
336
334
333
334
335
332
330
329
327
325
324
324
324
324

Friday 29

Waxing Gibbous 98%

19:53

03:39

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

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)

100
100
100
94
82
79
74
61
49
44
46
52
63
68
78
76
68
56
37
38
38
32
26
20

Low Clouds (% Sky Obscured)

40
36
30
20
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3

Medium Clouds (% Sky Obscured)

52
30
48
48
54
75
66
61
49
44
46
52
60
67
75
75
68
56
37
38
38
32
26
20

High Clouds (% Sky Obscured)

100
100
100
77
32
18
20
20
20
20
20
25
25
25
25
25
25
29
29
34
34
32
26
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
4
7

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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
10
13
11
27
38
55
72
79
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.4

Wind Speed/Direction (mph)

8
8
9
8
9
8
8
7
5
4
3
2
2
2
2
3
3
3
4
3
3
3
5
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
20
20
22
22
24
24
24
24
25
24
22
20
19
18
17
16
16
15
16
16
16
18
20

Dew Point (°C)

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

Relative Humidity (%)

68
64
59
55
55
56
58
61
66
77
79
81
85
83
86
86
86
85
84
87
90
92
90
86

Pressure (mb)

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

Ozone (du)

324
324
325
327
329
330
331
332
333
333
333
333
333
333
333
335
334
333
333
334
335
336
338
339

Saturday 30

Waxing Gibbous 100%

21:05

04:07

10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
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 OK
09 Good

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)

26
34
39
30
22
17
38
68
84
79
73
70
80
88
94
95
97
100
91
83
76
55
33
10

Low Clouds (% Sky Obscured)

2
1
0
0
0
0
4
7
10
6
3
0
0
0
0
13
26
38
26
13
0
0
0
1

Medium Clouds (% Sky Obscured)

26
34
36
26
15
6
20
34
41
50
67
70
80
88
94
95
91
89
82
75
68
47
26
6

High Clouds (% Sky Obscured)

26
34
34
30
22
17
25
15
10
7
9
11
13
14
16
44
72
100
68
35
4
5
6
2

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

Very Light Rain
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 (%)

59
42
19
20
14
12
23
26
25
20
11
0
0
0
0
0
0
0
2
2
1
2
1
0

Precipitation Amount (mm)

0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
21
21
29
28
28
28
29
29
21
20
19
18
17
17
13
13
13
13
13
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

84
77
68
61
63
65
68
71
76
79
79
77
77
80
83
86
85
83
82
83
85
86
79
73

Pressure (mb)

1017
1017
1016
1015
1015
1014
1014
1014
1014
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016

Ozone (du)

341
341
342
342
345
347
350
349
349
348
347
347
346
348
350
353
353
353
353
352
352
351
351
351

Sunday 31

Full Moon 99%

22:11

04:45

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

Sun - Rise: 04:48, Set: 21:12, Transit: 13:00. 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)

32
56
78
70
61
53
55
57
58
47
38
29
52
74
98
99
99
100
99
98
95

Low Clouds (% Sky Obscured)

18
35
54
44
30
16
27
37
48
41
35
27
28
29
30
32
34
37
38
40
51

Medium Clouds (% Sky Obscured)

15
22
30
25
21
21
14
8
5
4
2
1
5
12
17
42
67
89
81
78
78

High Clouds (% Sky Obscured)

1
1
0
0
0
0
1
2
3
3
4
4
26
49
75
83
85
93
63
32
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

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 (%)

1
1
1
6
10
11
10
8
2
5
5
0
0
0
0
7
10
12
23
32
43

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
66
63
60
60
60
59
64
68
72
74
75
76
81
83
89
90
92
93
95
96

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016

Ozone (du)

350
345
340
335
334
333
332
328
325
321
321
320
320
321
321
321
322
323
324
325
326

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

Generated: 25/05/26 10:54:56. Forecast: 25/05/26 to 31/05/26. Timezone: UTC+1.00