Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Full Moon 100%

21:45

No Set

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

Sun - Rise: 04:59, Set: 21:16, Transit: 13:07. Moon - Rise: 21:45, Set: No Set. Civil Dark: 22:01 - 04:14. Nautical Dark: 23:06 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
0
3
0
4
30
16
52
61
31
54
46
36
64
30
0
0
10
6
0
1
0
2
39

Low Clouds (% Sky Obscured)

0
0
0
0
4
4
13
35
29
30
35
36
4
0
0
0
0
10
6
0
0
0
0
23

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
21
0
7
8
15
26
11
0
0
4
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
3
0
4
18
16
42
24
17
18
8
2
4
27
0
0
5
6
0
1
0
2
14

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

Chance of Frost

Temperature (°C)

16
16
16
18
21
23
24
26
27
28
29
29
30
30
30
29
28
25
22
21
20
19
18
18

Feels Like (°C)

16
18
19
20
23
25
26
27
28
29
29
30
30
30
29
28
28
24
24
22
20
21
20
19

Dew Point (°C)

10
12
12
13
13
13
14
14
14
13
13
12
12
12
11
12
14
14
16
16
17
16
16
15

Relative Humidity (%)

68
80
78
69
61
55
51
48
44
40
37
34
32
32
32
34
42
49
66
75
81
84
83
82

Pressure (mb)

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

Ozone (du)

326
327
328
329
328
327
328
329
328
328
329
330
331
331
330
329
328
327
327
329
331
331
332
332

Friday 11

Waning Gibbous 98%

22:14

04:58

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

Sun - Rise: 05:00, Set: 21:15, Transit: 13:07. Moon - Rise: 22:14, Set: 04:58. Civil Dark: 22:00 - 04:15. Nautical Dark: 23:05 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

18
6
27
21
3
4
13
48
65
27
38
69
90
44
12
0
8
0
0
0
0
0
0
3

Low Clouds (% Sky Obscured)

4
0
0
0
0
0
9
38
35
27
38
47
33
0
0
0
8
0
0
0
0
0
0
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
14
19
0
0
21
41
22
7
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
6
17
15
3
4
3
0
0
0
3
0
1
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
3
3
3
3
4
4
4
4
5
5
6
6
8
9
9
7
5
4
5
4
3
3
4

Chance of Frost

Temperature (°C)

17
16
16
18
21
23
25
27
28
29
30
30
31
30
28
27
25
23
21
20
19
18
17
17

Feels Like (°C)

19
18
18
20
23
25
27
28
29
29
30
30
31
29
28
27
25
24
23
21
20
19
18
18

Dew Point (°C)

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

Relative Humidity (%)

81
82
77
65
57
51
46
42
38
34
30
28
27
29
30
34
42
54
61
67
72
74
74
74

Pressure (mb)

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

Ozone (du)

332
332
333
333
333
330
328
327
326
326
325
326
326
326
326
325
325
324
323
322
322
322
322
324

Saturday 12

Waning Gibbous 95%

22:35

06:18

04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 OK
11 OK
12 Good
13 OK
14 OK
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: 05:01, Set: 21:14, Transit: 13:08. Moon - Rise: 22:35, Set: 06:18. Civil Dark: 21:58 - 04:17. Nautical Dark: 23:03 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
8
28
33
17
29
38
50
38
14
0
5
10
9
0
0
1
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
8
28
33
17
29
38
50
38
14
0
0
0
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
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
0
1
0
0
0
0
0
5
10
9
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
3
5
6
7
8
9
9
8
9
9
9
10
11
12
11
9
6
5
3
3
3
4

Chance of Frost

Temperature (°C)

16
16
16
18
20
22
23
25
26
27
28
28
28
28
27
26
24
21
18
16
15
14
14
14

Feels Like (°C)

17
17
18
19
20
22
23
24
25
27
27
28
28
27
26
24
22
18
16
17
16
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

74
79
77
67
56
48
43
39
35
32
29
28
28
29
33
38
45
43
50
56
62
70
76
80

Pressure (mb)

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

Ozone (du)

325
325
325
325
326
326
326
325
325
326
328
329
331
332
331
330
331
331
331
332
333
333
334
333

Sunday 13

Waning Gibbous 89%

22:51

07:40

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

Sun - Rise: 05:02, Set: 21:13, Transit: 13:08. Moon - Rise: 22:51, Set: 07:40. Civil Dark: 21:57 - 04:18. Nautical Dark: 23:02 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
9
17
23
38
55
78
58
37
15
37
64
100
100
100
100
100
99
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
9
17
23
37
50
69
52
33
15
5
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
11
16
18
10
6
0
0
0
0
12
29
46
71
61
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
17
13
5
15
37
58
100
100
100
100
100
77
75

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

Chance of Frost

Temperature (°C)

13
14
15
16
18
20
22
23
25
27
27
28
29
27
26
26
24
22
20
19
19
18
17
17

Feels Like (°C)

14
15
15
17
18
21
23
25
26
28
28
28
28
25
24
25
23
23
20
19
19
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

80
79
73
60
54
55
51
46
41
38
35
33
33
38
41
43
47
58
63
62
64
65
67
73

Pressure (mb)

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

Ozone (du)

333
333
332
333
333
333
333
332
329
327
324
320
318
318
318
318
318
319
322
324
327
334
341
339

Monday 14

Waning Gibbous 86%

23:05

09:03

04 Bad
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
01 OK
02 Bad
03 Bad

Sun - Rise: 05:03, Set: 21:12, Transit: 13:08. Moon - Rise: 23:05, Set: 09:03. Civil Dark: 21:56 - 04:19. Nautical Dark: 23:00 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

65
48
27
38
47
56
69
86
95
89
80
72
84
92
100
44
65
90
63
38
10
40
70
100

Low Clouds (% Sky Obscured)

1
2
4
18
33
51
39
24
10
27
45
63
42
21
0
31
34
37
25
12
0
9
16
22

Medium Clouds (% Sky Obscured)

18
17
15
13
9
6
21
39
59
44
31
21
15
8
0
15
24
13
5
3
0
0
0
0

High Clouds (% Sky Obscured)

50
25
0
0
0
0
28
55
81
60
28
0
23
47
77
26
54
79
58
34
9
36
63
90

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 (%)

1
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
3
4
5
7
9
10
11
12
13
13
14
17
16
14
15
12
12
12
10
9
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
19
20
21
23
24
24
24
25
25
25
23
23
23
22
23
22
22
21
21
19
11
12

Dew Point (°C)

13
14
14
13
11
10
9
8
7
6
6
6
9
10
8
5
9
11
12
11
10
10
10
11

Relative Humidity (%)

81
87
83
69
56
46
39
33
30
28
27
26
32
35
32
28
38
49
64
67
70
74
82
89

Pressure (mb)

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

Ozone (du)

333
329
329
329
328
327
328
329
329
331
331
326
327
327
330
331
332
334
335
339
344
348
348
348

Tuesday 15

Waning Gibbous 80%

23:17

10:25

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 OK
02 OK
03 OK

Sun - Rise: 05:05, Set: 21:11, Transit: 13:08. Moon - Rise: 23:17, Set: 10:25. Civil Dark: 21:55 - 04:21. Nautical Dark: 22:58 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
81
68
76
83
93
86
80
73
80
88
96
93
89
87
70
61
53
51
43
33
34
30
23

Low Clouds (% Sky Obscured)

16
7
0
0
0
0
7
14
22
15
9
2
1
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
4
6
20
42
64
64
57
40
28
20
21
43
43
33
34
30
23

High Clouds (% Sky Obscured)

86
73
53
65
80
93
66
36
4
23
45
68
65
62
58
43
39
53
51
43
33
34
30
23

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
92
86
83
67
55
45
42
39
37
34
33
31
31
31
31
37
43
52
57
62
67
74
83

Pressure (mb)

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

Ozone (du)

349
346
344
341
340
338
336
335
334
334
333
332
332
329
326
323
321
320
318
316
315
314
312
310

Wednesday 16

Waning Gibbous 70%

23:29

11:47

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

Sun - Rise: 05:06, Set: 21:10, Transit: 13:08. Moon - Rise: 23:29, Set: 11:47. Civil Dark: 21:54 - 04:22. Nautical Dark: 22:56 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

21
26
32
35
32
30
43
56
69
69
72
74
74
80
83
66
52
38
26
13
0

Low Clouds (% Sky Obscured)

0
3
7
11
7
8
16
26
40
36
33
35
35
35
57
55
47
37
25
13
0

Medium Clouds (% Sky Obscured)

20
15
9
6
4
2
5
9
13
11
14
19
17
18
16
14
8
0
0
0
0

High Clouds (% Sky Obscured)

21
26
32
35
32
30
36
41
47
36
21
6
3
2
1
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

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
1
0
0
1
2
2
6
7
4
4
6
1
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
0
0

Wind Speed/Direction (mph)

4
4
4
5
6
7
9
9
9
10
10
10
11
11
11
11
9
7
5
4
4

Chance of Frost

Temperature (°C)

14
14
15
16
18
20
23
24
25
26
26
26
27
26
26
25
23
20
18
17
16

Feels Like (°C)

13
13
12
12
16
16
17
18
19
20
25
24
23
23
23
23
21
21
21
21
20

Dew Point (°C)

12
12
12
12
12
12
13
13
14
14
14
14
14
14
13
13
13
13
13
13
12

Relative Humidity (%)

90
87
82
78
70
60
54
52
50
47
46
46
46
46
46
47
54
61
71
74
78

Pressure (mb)

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

Ozone (du)

308
308
308
308
307
306
305
304
304
303
303
302
302
301
301
300
300
301
301
300
300

Forecast for Guildford, Surrey, United Kingdom (51.24,-0.57)

Generated: 10/07/25 04:44:26. Forecast: 10/07/25 to 16/07/25. Timezone: UTC+1.00