Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

First Quarter 53%

15:30

23:31

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

Sun - Rise: 05:10, Set: 21:09, Transit: 13:09. Moon - Rise: 15:30, Set: 23:31. Civil Dark: 21:53 - 04:27. Nautical Dark: 22:55 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

42
51
47
60
11
15
19
66
63
77
67
61
76
70
35
100
100
100
100
100
94
79
86
87

Low Clouds (% Sky Obscured)

42
24
45
18
4
4
6
24
32
22
18
19
27
29
27
26
35
39
45
46
33
36
67
74

Medium Clouds (% Sky Obscured)

32
28
26
24
3
13
18
28
29
3
0
0
0
6
2
1
2
24
72
97
81
32
38
33

High Clouds (% Sky Obscured)

18
29
47
50
4
0
3
30
21
60
63
60
73
49
15
100
100
100
100
100
71
50
3
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
21
20
18
17
18
18
16
15
15
14
14
14
15
18
20
20
21
21
21
21
21
22
21

Dew Point (°C)

7
8
8
11
13
13
14
13
13
14
14
13
12
12
12
11
12
11
10
10
10
9
8
9

Relative Humidity (%)

36
38
43
56
67
74
82
85
89
92
93
93
90
79
68
59
55
49
45
43
42
39
37
39

Pressure (mb)

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

Ozone (du)

325
326
327
327
329
332
335
335
334
332
330
330
330
330
330
329
328
330
332
335
338
337
337
339

Wednesday 22

Waxing Gibbous 63%

16:44

23:48

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: 05:12, Set: 21:08, Transit: 13:09. Moon - Rise: 16:44, Set: 23:48. Civil Dark: 21:51 - 04:29. Nautical Dark: 22:53 - 03:27. Astro Dark: N/A - 01:23

Total Clouds (% Sky Obscured)

71
91
78
76
93
98
100
100
100
100
100
94
88
91
81
81
90
90
90
87
97
97
95
86

Low Clouds (% Sky Obscured)

58
54
25
25
15
14
25
30
40
58
58
63
65
46
37
28
24
46
44
72
54
61
43
35

Medium Clouds (% Sky Obscured)

24
37
37
31
31
36
45
45
36
37
34
33
35
42
37
40
47
39
46
25
45
43
40
33

High Clouds (% Sky Obscured)

0
1
2
76
93
87
98
100
100
100
100
73
65
38
28
31
79
77
61
15
20
27
17
6

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
7
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
43
44
49
56
63
67
74
78
79
82
83
79
69
63
57
51
45
40
35
36
36
37
37

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1022
1022
1021
1021
1021

Ozone (du)

340
339
338
336
335
334
332
331
329
328
328
326
325
325
323
321
320
319
318
317
317
316
315
315

Thursday 23

Waxing Gibbous 72%

17:55

00:10

18 Bad
19 Bad
20 Bad
21 Bad
22 OK
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: 05:13, Set: 21:06, Transit: 13:09. Moon - Rise: 17:55, Set: 00:10. Civil Dark: 21:50 - 04:30. Nautical Dark: 22:51 - 03:30. Astro Dark: 00:56 - 01:38

Total Clouds (% Sky Obscured)

91
74
57
58
30
58
61
69
67
83
59
75
95
94
93
84
57
80
90
76
96
94
90
86

Low Clouds (% Sky Obscured)

46
33
22
23
14
0
0
0
4
5
0
13
5
0
0
26
17
9
23
21
20
20
17
15

Medium Clouds (% Sky Obscured)

35
34
24
25
17
7
23
24
26
18
16
15
16
20
34
36
24
3
0
7
14
19
14
12

High Clouds (% Sky Obscured)

8
5
12
35
5
48
51
52
50
79
51
62
90
89
86
76
45
76
89
74
83
75
64
56

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)

7
8
7
6
6
6
5
5
5
4
4
3
4
4
5
5
6
6
6
7
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
12
12
14
15
15
14
14
14
14
14
14
14
13
12
10
8
7
6
6
5
4
3
3

Relative Humidity (%)

38
42
46
57
65
71
72
76
81
86
90
92
89
76
64
53
42
34
30
27
24
22
21
21

Pressure (mb)

1020
1020
1020
1020
1020
1021
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018
1017
1016
1015
1015
1014
1013

Ozone (du)

314
313
314
314
315
315
315
315
317
318
320
320
320
319
320
321
322
322
322
323
322
322
323
323

Friday 24

Waxing Gibbous 81%

17:55

00:42

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 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:15, Set: 21:05, Transit: 13:09. Moon - Rise: 17:55, Set: 00:42. Civil Dark: 21:48 - 04:32. Nautical Dark: 22:49 - 03:32. Astro Dark: 00:40 - 01:48

Total Clouds (% Sky Obscured)

79
81
79
56
31
26
26
32
38
49
54
49
45
46
47
55
59
83
69
74
73
75
77
77

Low Clouds (% Sky Obscured)

13
9
11
3
2
1
0
0
0
0
0
0
0
0
0
0
5
12
26
17
30
47
60
61

Medium Clouds (% Sky Obscured)

8
14
19
22
21
19
16
10
5
0
9
22
33
43
41
41
40
49
48
32
24
18
23
27

High Clouds (% Sky Obscured)

48
48
52
20
9
10
13
29
37
49
33
16
0
0
2
14
17
50
24
43
36
41
10
9

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)

7
6
5
10
12
10
7
6
6
5
5
5
5
6
7
7
8
9
11
11
11
12
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
5
8
8
9
10
11
11
11
11
12
12
10
8
7
7
5
4
4
4
4
5
7

Relative Humidity (%)

21
23
27
36
40
49
58
66
72
76
79
83
82
69
54
47
40
34
29
28
26
24
25
30

Pressure (mb)

1013
1012
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1011
1011
1010
1009
1009
1008
1007
1007
1007

Ozone (du)

323
323
323
324
326
327
329
330
333
334
336
335
332
330
331
334
333
333
332
332
331
329
328
327

Saturday 25

Waxing Gibbous 88%

18:57

01:25

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: 05:16, Set: 21:04, Transit: 13:09. Moon - Rise: 18:57, Set: 01:25. Civil Dark: 21:46 - 04:34. Nautical Dark: 22:46 - 03:34. Astro Dark: 00:31 - 01:55

Total Clouds (% Sky Obscured)

78
79
83
60
72
75
88
93
85
55
57
75
94
96
93
89
89
89
89
80
71
59
62
65

Low Clouds (% Sky Obscured)

66
58
51
21
38
51
70
75
70
38
38
40
68
75
79
86
85
88
89
80
71
59
62
53

Medium Clouds (% Sky Obscured)

30
38
43
49
51
51
45
67
41
28
25
43
69
71
43
15
21
24
32
22
11
0
10
20

High Clouds (% Sky Obscured)

9
7
3
0
0
2
2
4
1
0
3
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
1
0
1
2
1
37
29
12
12
13
15
18
18
16
14
11

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
47
52
61
72
78
78
76
71
78
92
95
90
78
74
71
69
68
66
65
64
65
64
56

Pressure (mb)

1007
1006
1007
1007
1007
1007
1007
1007
1007
1006
1006
1007
1007
1007
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008

Ozone (du)

326
326
322
322
323
322
323
324
325
326
326
327
327
328
328
327
327
328
329
330
330
330
330
329

Sunday 26

Waxing Gibbous 93%

19:47

02:21

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

Sun - Rise: 05:18, Set: 21:02, Transit: 13:09. Moon - Rise: 19:47, Set: 02:21. Civil Dark: 21:45 - 04:35. Nautical Dark: 22:44 - 03:37. Astro Dark: 00:23 - 02:02

Total Clouds (% Sky Obscured)

67
57
45
35
27
21
15
16
19
25
23
22
22
23
25
23
25
28
24
24
32
33
58
76

Low Clouds (% Sky Obscured)

38
33
30
25
18
12
6
3
2
2
2
3
6
6
8
10
10
9
11
9
10
12
31
51

Medium Clouds (% Sky Obscured)

30
25
18
11
8
4
0
0
0
0
0
0
0
0
0
0
2
5
6
5
5
4
9
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
17
37

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 (%)

2
5
3
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)

14
14
12
9
7
8
8
9
8
8
8
8
9
9
10
10
11
11
11
11
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
18
20
19
18
17
16
15
14
14
14
13
12
12
14
14
14
14
15
15
24
23
23
24

Dew Point (°C)

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

Relative Humidity (%)

50
44
54
64
79
81
83
86
90
93
96
90
86
80
67
56
46
42
38
35
33
31
29
31

Pressure (mb)

1009
1009
1010
1011
1012
1012
1013
1014
1014
1014
1015
1015
1016
1017
1017
1017
1018
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

329
329
329
328
328
328
328
328
327
326
326
326
326
326
325
325
325
324
324
324
323
322
322
321

Monday 27

Waxing Gibbous 97%

20:25

03:28

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

Sun - Rise: 05:19, Set: 21:01, Transit: 13:09. Moon - Rise: 20:25, Set: 03:28. Civil Dark: 21:43 - 04:37. Nautical Dark: 22:41 - 03:39. Astro Dark: 00:16 - 02:08

Total Clouds (% Sky Obscured)

94
87
81
72
70
69
61
61
61
60
59
49
48
49
45
42
44
47
51

Low Clouds (% Sky Obscured)

69
46
22
0
3
6
9
12
15
21
22
22
25
24
31
31
38
47
51

Medium Clouds (% Sky Obscured)

21
27
30
32
32
28
25
27
29
34
32
30
28
24
26
28
29
35
37

High Clouds (% Sky Obscured)

55
40
22
0
7
12
16
11
6
0
0
0
0
0
0
0
4
9
13

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
0
1
1
0
2
2
0
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
26
23
23
23
22
22
20
17
18
18
18
18
17
19
20
19
20
21

Dew Point (°C)

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

Relative Humidity (%)

34
38
45
53
64
68
70
72
74
77
79
75
73
70
60
53
45
41
38

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

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

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

Generated: 21/07/26 18:58:57. Forecast: 21/07/26 to 27/07/26. Timezone: UTC+1.00