Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 26

Waxing Gibbous 93%

19:46

02:30

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

Sun - Rise: 05:24, Set: 21:03, Transit: 13:13. Moon - Rise: 19:46, Set: 02:30. Civil Dark: 21:45 - 04:43. Nautical Dark: 22:42 - 03:46. Astro Dark: 00:10 - 02:21

Total Clouds (% Sky Obscured)

41
39
37
0
7
0
0
0
0
0
5
2
0
0
13
25
33
35
34
27
27
23
26
46

Low Clouds (% Sky Obscured)

11
10
18
0
6
0
0
0
0
0
4
2
0
0
9
17
21
22
21
17
17
15
18
45

Medium Clouds (% Sky Obscured)

19
15
22
0
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
0
0
2
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

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
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)

18
19
18
18
16
14
12
10
9
8
7
6
5
4
4
4
8
10
11
12
12
12
13
13

Chance of Frost

Temperature (°C)

23
22
21
20
19
18
17
16
15
15
15
14
14
13
13
14
16
17
19
20
21
22
23
23

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
36
36
43
51
61
67
74
78
83
86
89
92
93
92
80
68
58
50
44
41
37
36
36

Pressure (mb)

1008
1008
1009
1010
1011
1012
1012
1013
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1018

Ozone (du)

328
328
328
329
328
328
330
331
331
330
330
329
328
328
328
329
328
328
328
327
328
329
328
328

Monday 27

Waxing Gibbous 97%

20:24

03:36

16 Bad
17 Bad
18 Bad
19 Good
20 OK
21 OK
22 Good
23 OK
00 OK
01 OK
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: 05:26, Set: 21:02, Transit: 13:13. Moon - Rise: 20:24, Set: 03:36. Civil Dark: 21:43 - 04:44. Nautical Dark: 22:40 - 03:48. Astro Dark: 00:05 - 02:26

Total Clouds (% Sky Obscured)

56
77
48
12
22
38
13
20
32
39
48
71
67
84
60
66
68
94
93
98
93
82
99
99

Low Clouds (% Sky Obscured)

49
66
48
7
0
0
3
3
27
35
36
33
35
29
24
15
7
8
3
8
15
10
12
10

Medium Clouds (% Sky Obscured)

10
21
5
3
13
4
3
3
0
0
17
37
38
39
26
24
56
75
66
60
89
67
41
78

High Clouds (% Sky Obscured)

2
6
6
4
5
38
8
13
6
4
5
9
10
37
20
45
36
70
54
71
72
56
98
99

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
3
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
13
13
13
12
10
8
6
5
5
5
4
4
4
4
4
7
8
9
9
9
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
11
12
12
14
16
17
16
16
15
15
15
14
14
15
15
14
14
12
11
10
7
7

Relative Humidity (%)

40
43
48
53
59
73
88
96
96
98
98
96
98
96
96
90
80
69
58
48
41
35
31
29

Pressure (mb)

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

Ozone (du)

329
329
328
327
327
327
326
325
324
323
322
321
320
320
319
318
318
318
318
317
317
317
317
317

Tuesday 28

Waxing Gibbous 100%

20:52

04:49

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

Sun - Rise: 05:27, Set: 21:00, Transit: 13:13. Moon - Rise: 20:52, Set: 04:49. Civil Dark: 21:41 - 04:46. Nautical Dark: 22:38 - 03:51. Astro Dark: 00:00 - 02:30

Total Clouds (% Sky Obscured)

100
77
68
68
32
18
41
2
10
0
0
1
1
1
12
62
44
58
50
60
53
52
31
32

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
16
20
25
32

Medium Clouds (% Sky Obscured)

52
43
24
19
16
8
19
1
5
0
0
0
0
0
0
0
20
20
13
10
0
0
0
0

High Clouds (% Sky Obscured)

100
77
54
40
2
0
0
0
0
0
0
1
1
1
11
59
10
20
15
15
15
14
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 (%)

3
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
8
9
9
7
6
5
3
3
3
3
3
3
2
2
2
2
4
5
7
9
11
12
14

Chance of Frost

Temperature (°C)

26
26
25
25
24
21
20
18
17
16
16
15
15
15
15
17
21
23
25
27
29
30
30
31

Feels Like (°C)

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

Dew Point (°C)

6
5
4
5
7
10
11
10
10
9
9
9
9
9
9
8
8
8
8
7
6
4
3
0

Relative Humidity (%)

26
25
26
27
35
49
58
60
62
64
66
68
69
69
67
55
44
36
33
28
23
19
17
13

Pressure (mb)

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

Ozone (du)

318
318
320
321
321
320
322
323
323
323
325
327
325
324
323
323
325
325
324
325
325
326
328
325

Wednesday 29

Full Moon 100%

21:13

06:05

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

Sun - Rise: 05:28, Set: 20:59, Transit: 13:13. Moon - Rise: 21:13, Set: 06:05. Civil Dark: 21:40 - 04:48. Nautical Dark: 22:35 - 03:53. Astro Dark: 23:56 - 02:35

Total Clouds (% Sky Obscured)

41
49
65
44
26
4
52
76
97
98
99
100
99
98
95
98
99
95
100
99
99
99
100
100

Low Clouds (% Sky Obscured)

28
24
23
17
8
0
4
9
15
20
26
32
32
29
54
64
43
30
32
47
31
31
24
33

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
10
20
95
93
74
34
38
93
80
98
97
95
87
92
92

High Clouds (% Sky Obscured)

27
49
65
44
24
4
52
75
94
96
98
100
83
90
82
89
95
91
98
97
95
94
99
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
1
2
3
4

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)

15
14
14
14
11
11
9
8
9
8
8
8
8
8
9
10
11
11
12
14
14
16
16
16

Chance of Frost

Temperature (°C)

31
29
28
26
24
22
19
18
17
16
16
16
16
16
16
17
18
19
21
22
23
24
24
23

Feels Like (°C)

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

Dew Point (°C)

1
0
-1
1
4
10
12
12
12
13
14
14
14
15
16
15
14
13
12
12
12
12
10
9

Relative Humidity (%)

14
15
15
18
27
47
63
67
71
78
85
86
86
95
98
92
78
67
59
54
50
46
41
41

Pressure (mb)

1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014

Ozone (du)

325
325
324
324
325
326
324
326
326
327
327
328
330
330
331
332
332
330
331
332
333
334
333
333

Thursday 30

Waning Gibbous 98%

21:29

07:21

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

Sun - Rise: 05:30, Set: 20:57, Transit: 13:13. Moon - Rise: 21:29, Set: 07:21. Civil Dark: 21:38 - 04:50. Nautical Dark: 22:33 - 03:55. Astro Dark: 23:51 - 02:39

Total Clouds (% Sky Obscured)

99
100
100
81
61
38
23
16
4
8
10
15
25
37
44
68
73
69
69
69
68
67
61
60

Low Clouds (% Sky Obscured)

32
42
15
9
5
0
0
0
0
0
0
0
5
8
12
0
0
0
4
9
15
10
5
1

Medium Clouds (% Sky Obscured)

22
14
5
1
1
0
0
0
0
0
0
0
0
0
0
7
12
16
13
12
9
9
5
9

High Clouds (% Sky Obscured)

98
100
100
81
61
38
23
16
4
8
10
15
25
27
29
67
73
69
67
47
31
38
45
55

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 (%)

9
13
18
14
9
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)

16
16
16
15
13
12
11
10
8
6
6
5
5
5
4
4
3
4
5
6
6
7
8
9

Chance of Frost

Temperature (°C)

22
22
21
20
19
17
15
14
14
13
12
12
12
12
12
13
14
17
19
20
21
22
22
23

Feels Like (°C)

17
17
16
15
14
13
12
12
12
11
11
11
11
11
11
12
12
14
15
15
16
17
22
21

Dew Point (°C)

9
8
7
5
4
8
10
11
12
12
12
11
11
11
11
9
8
7
6
5
3
2
1
1

Relative Humidity (%)

42
40
41
35
38
57
73
80
90
93
96
95
96
95
92
79
64
52
42
36
31
26
24
23

Pressure (mb)

1014
1014
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1020
1020
1020
1019
1019
1019
1018
1018

Ozone (du)

335
338
340
341
343
345
347
348
349
351
350
349
349
350
352
354
355
355
356
357
359
361
359
357

Friday 31

Waning Gibbous 94%

21:42

08:37

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

Sun - Rise: 05:31, Set: 20:56, Transit: 13:13. Moon - Rise: 21:42, Set: 08:37. Civil Dark: 21:36 - 04:51. Nautical Dark: 22:31 - 03:57. Astro Dark: 23:47 - 02:43

Total Clouds (% Sky Obscured)

59
54
49
38
32
26
29
34
37
45
51
58
60
63
69
79
87
95
96
98
100
84
65
45

Low Clouds (% Sky Obscured)

5
8
9
6
3
0
0
0
0
3
6
11
15
17
26
20
15
9
12
16
19
14
7
1

Medium Clouds (% Sky Obscured)

9
8
8
7
12
10
12
11
12
15
17
15
27
42
61
62
58
51
50
46
42
53
64
45

High Clouds (% Sky Obscured)

41
21
0
0
0
0
2
5
7
17
31
50
54
63
67
73
83
93
94
96
98
79
59
30

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)

10
11
12
13
11
10
9
7
5
4
3
3
3
2
2
2
3
4
5
4
4
5
5
5

Chance of Frost

Temperature (°C)

23
23
22
21
20
18
16
15
14
12
12
11
11
11
12
13
15
17
19
21
22
24
24
25

Feels Like (°C)

20
20
21
21
18
17
17
16
15
14
9
9
10
9
9
8
12
13
14
15
16
17
22
22

Dew Point (°C)

0
2
3
4
5
6
7
7
7
7
7
7
7
6
6
6
6
6
7
6
5
4
4
4

Relative Humidity (%)

21
25
28
32
39
46
56
60
64
70
72
75
76
71
67
64
56
49
44
38
33
28
27
26

Pressure (mb)

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

Ozone (du)

355
355
354
354
351
349
346
343
340
337
335
333
331
329
328
326
326
326
326
325
324
323
325
326

Saturday 1

Waning Gibbous 88%

21:54

09:52

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

Sun - Rise: 05:33, Set: 20:54, Transit: 13:13. Moon - Rise: 21:54, Set: 09:52. Civil Dark: 21:34 - 04:53. Nautical Dark: 22:28 - 04:00. Astro Dark: 23:42 - 02:47

Total Clouds (% Sky Obscured)

47
49
54
59
59
56
62
68
74
52
29
5
33
60
85
81
77
73
71
68
64

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

Medium Clouds (% Sky Obscured)

47
49
54
59
59
56
57
45
33
22
10
0
5
9
14
17
20
23
23
23
19

High Clouds (% Sky Obscured)

25
30
30
37
39
43
52
61
69
51
29
5
32
52
72
59
46
35
32
28
24

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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
25
24
24
22
20
18
17
15
13
13
12
12
12
13
14
16
18
20
21
22

Feels Like (°C)

22
21
22
21
21
20
20
19
17
15
11
11
11
12
11
11
15
15
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

25
25
25
26
32
41
51
55
60
65
68
71
73
70
64
60
53
46
40
33
28

Pressure (mb)

1018
1018
1018
1017
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

328
330
332
333
333
332
331
332
333
334
334
334
334
333
332
331
330
329
329
328
328

Forecast for Marlborough, Wiltshire, United Kingdom (51.42,-1.73)

Generated: 26/07/26 16:31:03. Forecast: 26/07/26 to 01/08/26. Timezone: UTC+1.00