Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Full Moon 100%

21:51

No Set

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

Sun - Rise: 05:03, Set: 21:21, Transit: 13:12. Moon - Rise: 21:51, Set: No Set. Civil Dark: 22:06 - 04:17. Nautical Dark: 23:13 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
1
3
20
37
41
41
51
72
76
40
0
1
1
1
3
10
10
7
1
1
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
14
26
39
41
36
37
35
33
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
25
44
48
20
0
0
0
0
0
0
0
0
1
1
0

High Clouds (% Sky Obscured)

0
0
0
1
3
20
37
41
5
6
2
2
5
0
1
1
1
3
10
10
7
1
1
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)

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

Chance of Frost

Temperature (°C)

17
16
16
17
19
21
23
25
26
27
28
29
29
29
29
28
27
24
22
21
20
19
18
17

Feels Like (°C)

18
17
17
19
21
22
24
25
26
28
29
30
29
29
28
27
26
25
24
21
20
20
20
19

Dew Point (°C)

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

Relative Humidity (%)

93
92
90
83
75
63
55
50
46
42
40
36
34
33
33
36
45
58
67
62
67
72
77
81

Pressure (mb)

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

Ozone (du)

330
331
330
329
329
329
329
329
329
329
328
327
327
328
327
325
324
324
325
325
326
327
327
326

Friday 11

Waning Gibbous 98%

22:20

05:01

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

Sun - Rise: 05:04, Set: 21:20, Transit: 13:12. Moon - Rise: 22:20, Set: 05:01. Civil Dark: 22:05 - 04:19. Nautical Dark: 23:12 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
33
49
54
57
58
51
46
51
66
68
0
0
17
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
33
49
54
51
0
0
0
0
0
13
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
40
31
27
28
36
29
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
1
1
1
1
0
0
0
0
0
0
0
15
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)

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

Chance of Frost

Temperature (°C)

17
17
17
18
21
23
25
27
28
29
30
30
31
31
30
30
29
26
23
21
20
19
18
17

Feels Like (°C)

20
19
19
20
23
25
26
28
30
31
32
33
33
33
31
29
26
25
23
22
21
20
19
18

Dew Point (°C)

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

Relative Humidity (%)

82
83
78
67
59
53
46
43
39
35
32
29
29
28
27
28
41
51
60
64
66
64
63
66

Pressure (mb)

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

Ozone (du)

325
325
326
325
323
322
324
324
324
322
323
324
324
323
323
321
320
319
321
321
323
322
321
321

Saturday 12

Waning Gibbous 95%

22:41

06:22

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

Sun - Rise: 05:05, Set: 21:20, Transit: 13:12. Moon - Rise: 22:41, Set: 06:22. Civil Dark: 22:04 - 04:20. Nautical Dark: 23:10 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
30
26
19
9
6
17
19
25
59
65
75
55
51
25
2
2
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
30
26
19
9
6
17
19
22
16
22
35
24
23
0
0
0
0

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
12
15
15
15
10
15
1
2
1

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

Chance of Frost

Temperature (°C)

16
16
16
18
20
22
24
25
27
28
28
29
29
29
28
28
26
24
22
20
19
17
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
73
70
61
53
48
43
39
34
30
27
26
26
27
27
29
33
44
53
63
68
68
68
65

Pressure (mb)

1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

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

Sunday 13

Waning Gibbous 88%

22:56

07:45

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

Sun - Rise: 05:06, Set: 21:19, Transit: 13:12. Moon - Rise: 22:56, Set: 07:45. Civil Dark: 22:03 - 04:21. Nautical Dark: 23:08 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

2
3
2
2
0
0
0
1
15
19
42
29
69
86
100
62
62
34
51
74
100
64
32
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
5
12
27
35
42
16
4
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
40
42
19
4
0

High Clouds (% Sky Obscured)

1
0
1
0
0
0
0
1
8
5
5
1
35
68
100
62
53
34
51
74
100
61
30
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)

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

Chance of Frost

Temperature (°C)

14
13
14
15
18
20
22
24
25
27
28
28
29
28
27
27
25
23
21
20
20
19
18
17

Feels Like (°C)

13
13
14
15
17
19
22
24
26
26
28
27
28
27
26
26
25
21
19
19
18
17
18
17

Dew Point (°C)

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

Relative Humidity (%)

67
72
72
62
54
48
47
43
39
36
34
31
30
32
36
35
36
41
39
40
41
44
49
52

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1012
1012
1012
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

330
331
331
331
332
332
329
326
323
320
318
318
317
317
317
319
321
323
327
331
339
342
337
331

Monday 14

Waning Gibbous 88%

23:10

09:07

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

Sun - Rise: 05:07, Set: 21:18, Transit: 13:12. Moon - Rise: 23:10, Set: 09:07. Civil Dark: 22:02 - 04:23. Nautical Dark: 23:06 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

28
56
80
59
38
17
28
34
42
28
19
4
33
63
97
47
65
81
66
37
5
37
68
100

Low Clouds (% Sky Obscured)

23
48
72
52
31
14
24
34
42
28
15
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

8
25
37
31
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
3
4
13
5
6
3
1
0
27
53
80
38
65
81
64
34
4
33
61
85

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
1
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
6
8
9
11
12
12
13
14
16
16
17
18
17
18
18
15
13
11
10
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
17
19
20
20
21
22
23
23
22
20
19
20
19
16
17
16
15
15
15
14
10
10

Dew Point (°C)

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

Relative Humidity (%)

56
63
67
62
51
40
35
38
39
41
42
39
31
33
42
52
56
61
66
75
84
95
96
95

Pressure (mb)

1013
1013
1013
1013
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1017
1018
1018
1019
1019
1019
1019

Ozone (du)

329
328
328
327
327
327
328
329
330
329
327
327
328
329
331
332
337
341
345
349
353
357
356
355

Tuesday 15

Waning Gibbous 80%

23:22

10:30

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

Sun - Rise: 05:08, Set: 21:17, Transit: 13:13. Moon - Rise: 23:22, Set: 10:30. Civil Dark: 22:01 - 04:24. Nautical Dark: 23:05 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

76
52
27
49
71
93
89
84
81
87
92
94
82
70
59
59
69
70
57
35
28
25
22
15

Low Clouds (% Sky Obscured)

0
0
1
1
2
3
22
40
61
52
37
21
13
6
0
0
0
0
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
5
8
20
29
35
32
27
19
23
31
40
56
35
28
25
22
15

High Clouds (% Sky Obscured)

57
26
14
43
70
93
73
51
26
51
75
94
67
34
5
21
33
42
47
35
28
25
19
10

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
3
5
7
9
9
5
9
7
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
6
7
7
9
10
11
11
12
12
12
12
13
12
12
12
10
7
6
5
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
10
10
10
9
9
7
6
4
6
6
7
8
8
9
9
10
10
10
10

Relative Humidity (%)

96
93
90
87
76
66
58
54
49
47
40
35
30
34
38
42
49
57
67
69
71
74
75
75

Pressure (mb)

1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

353
349
345
341
340
338
337
336
335
334
333
332
330
328
325
322
319
317
315
314
312
311
309
307

Wednesday 16

Waning Gibbous 70%

23:34

11:52

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

Sun - Rise: 05:10, Set: 21:16, Transit: 13:13. Moon - Rise: 23:34, Set: 11:52. Civil Dark: 22:00 - 04:26. Nautical Dark: 23:03 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

13
17
25
39
42
50
56
62
65
78
83
86
81
77
69
73
75
74
52
31
9

Low Clouds (% Sky Obscured)

0
0
0
5
10
10
23
31
40
41
48
49
50
51
51
58
68
69
43
20
0

Medium Clouds (% Sky Obscured)

13
17
25
29
27
24
16
12
7
5
4
2
4
6
7
5
3
0
0
0
0

High Clouds (% Sky Obscured)

10
10
24
27
29
27
30
32
30
9
4
0
0
2
1
1
1
0
1
2
3

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 (%)

6
7
6
5
1
0
11
16
19
22
24
27
25
22
18
16
11
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)

6
6
6
6
8
9
10
10
11
11
11
12
12
11
9
9
8
6
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
78
79
80
77
75
71
68
64
60
59
56
53
54
57
59
64
71
78
82
87

Pressure (mb)

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

Ozone (du)

306
306
307
307
306
305
304
303
303
302
302
302
301
301
301
302
301
301
301
300
300

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

Generated: 10/07/25 04:14:41. Forecast: 10/07/25 to 16/07/25. Timezone: UTC+1.00