Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 4

Waning Gibbous 60%

22:48

12:41

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

Sun - Rise: 05:54, Set: 20:59, Transit: 13:26. Moon - Rise: 22:48, Set: 12:41. Civil Dark: 21:37 - 05:16. Nautical Dark: 22:27 - 04:26. Astro Dark: 23:32 - 03:23

Total Clouds (% Sky Obscured)

81
70
85
75
36
34
46
57
44
57
54
45
63
47
50
52
69
58
73
75
68
70
73
56

Low Clouds (% Sky Obscured)

31
49
58
42
36
33
38
55
44
57
54
45
53
47
50
52
68
58
72
72
63
64
61
40

Medium Clouds (% Sky Obscured)

33
70
42
0
1
0
17
22
0
16
17
0
20
0
0
0
0
0
0
0
0
0
15
11

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
4
7
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 (%)

51
38
0
47
28
10
5
18
12
22
31
29
14
16
11
33
27
25
35
22
29
37
26
22

Precipitation Amount (mm)

0
0
0.2
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
15
16
17
17
17
17
17
16
13
11
10
11
14
14
14
13
13
13
13
14
14
15
16

Chance of Frost

Temperature (°C)

22
22
22
22
22
23
22
21
20
20
19
18
18
17
17
17
17
17
16
16
16
16
17
18

Feels Like (°C)

19
20
20
20
20
21
20
19
19
19
19
19
19
16
15
16
15
14
14
13
13
14
15
15

Dew Point (°C)

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

Relative Humidity (%)

61
57
66
67
66
62
61
62
69
77
90
96
95
90
89
89
90
87
85
85
81
78
71
64

Pressure (mb)

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

Ozone (du)

323
325
326
328
327
326
323
321
320
318
318
319
321
321
321
322
321
322
325
331
331
336
339
340

Wednesday 5

Waning Gibbous 48%

23:07

14:03

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

Sun - Rise: 05:56, Set: 20:57, Transit: 13:26. Moon - Rise: 23:07, Set: 14:03. Civil Dark: 21:35 - 05:18. Nautical Dark: 22:25 - 04:28. Astro Dark: 23:28 - 03:26

Total Clouds (% Sky Obscured)

68
68
68
69
51
24
37
35
48
40
34
52
54
46
36
43
48
49
42
47
41
37
38
38

Low Clouds (% Sky Obscured)

48
60
59
59
51
24
37
29
29
23
28
36
33
40
36
43
38
42
42
47
41
37
38
38

Medium Clouds (% Sky Obscured)

9
0
0
0
0
0
0
10
19
16
13
22
24
13
0
0
15
13
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 (%)

10
25
31
25
7
3
2
13
6
4
11
21
23
22
16
5
6
3
6
17
8
16
4
2

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
17
17
17
17
18
18
16
16
14
12
10
10
10
10
10
11
10
10
8
8
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
47
52
54
50
47
50
52
56
61
68
74
76
76
78
78
76
70
70
74
69
58
54
51

Pressure (mb)

1018
1018
1019
1019
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1024
1024
1025
1025
1026

Ozone (du)

342
343
343
343
344
345
344
345
347
348
351
353
354
356
357
359
357
357
358
357
356
353
352
350

Thursday 6

Third Quarter 37%

23:34

15:29

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

Sun - Rise: 05:57, Set: 20:55, Transit: 13:25. Moon - Rise: 23:34, Set: 15:29. Civil Dark: 21:33 - 05:19. Nautical Dark: 22:23 - 04:30. Astro Dark: 23:25 - 03:29

Total Clouds (% Sky Obscured)

35
40
95
90
60
62
60
60
98
96
16
22
25
5
14
12
70
72
0
15
31
51
73
93

Low Clouds (% Sky Obscured)

35
35
34
33
31
34
30
25
22
5
0
0
0
0
0
0
0
0
0
6
20
38
54
55

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
3
3
2
0
0
0
0
0
0
8
15
0
1
3
5
7
16

High Clouds (% Sky Obscured)

0
7
87
74
35
41
42
42
98
96
12
17
15
2
7
9
70
72
0
9
17
28
46
69

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
1
2
4
1
3

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
12
12
12
12
11
10
8
6
5
5
4
4
4
3
3
2
2
2
2
4
4

Chance of Frost

Temperature (°C)

18
19
20
20
20
20
19
19
18
17
14
13
12
12
11
11
10
10
10
10
11
13
16
18

Feels Like (°C)

16
17
17
16
16
16
16
17
15
15
14
12
11
10
11
11
10
11
11
12
13
15
17
18

Dew Point (°C)

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

Relative Humidity (%)

48
47
47
47
48
51
53
55
59
65
79
82
81
81
84
85
84
85
84
84
83
72
62
52

Pressure (mb)

1026
1026
1026
1027
1027
1027
1027
1026
1026
1026
1027
1027
1027
1027
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

344
342
342
340
337
334
332
330
329
328
328
329
329
330
330
330
331
332
337
343
338
334
335
333

Friday 7

Waning Crescent 25%

00:13

16:53

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 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:59, Set: 20:54, Transit: 13:25. Moon - Rise: 00:13, Set: 16:53. Civil Dark: 21:31 - 05:21. Nautical Dark: 22:20 - 04:32. Astro Dark: 23:21 - 03:32

Total Clouds (% Sky Obscured)

90
79
92
95
99
99
100
100
99
98
96
88
84
83
81
79
77
79
80
78
77
79
77
79

Low Clouds (% Sky Obscured)

53
49
61
66
71
47
22
0
0
0
0
0
0
0
6
11
15
16
16
14
20
29
35
46

Medium Clouds (% Sky Obscured)

23
31
32
33
34
36
43
40
34
32
31
30
26
25
22
19
16
18
22
28
27
26
25
25

High Clouds (% Sky Obscured)

59
38
57
64
75
69
63
56
66
79
87
51
26
1
9
17
26
20
13
7
18
27
37
44

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
2
1
1
2
1
2
3
2
3
1
1
1
0
1
1
0
1
1
0
2
6
5
18

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)

4
4
5
5
5
7
9
10
10
9
8
8
8
7
7
7
7
7
7
6
7
8
8
8

Chance of Frost

Temperature (°C)

19
19
20
20
20
20
19
19
18
18
16
16
15
15
16
15
15
15
15
15
16
18
19
20

Feels Like (°C)

19
20
21
21
21
19
17
16
16
15
15
14
14
15
17
16
16
16
16
16
17
19
20
21

Dew Point (°C)

8
8
8
8
8
9
10
10
11
12
14
14
14
14
14
14
14
13
14
14
15
14
13
10

Relative Humidity (%)

48
48
48
47
47
49
54
57
63
68
83
87
89
89
89
89
90
90
90
90
90
81
69
52

Pressure (mb)

1024
1024
1024
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1020
1020
1019
1018
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

332
330
329
327
325
325
325
325
324
325
326
327
326
326
325
324
324
323
323
322
322
322
322
322

Saturday 8

Waning Crescent 15%

01:09

18:10

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 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:00, Set: 20:52, Transit: 13:25. Moon - Rise: 01:09, Set: 18:10. Civil Dark: 21:29 - 05:23. Nautical Dark: 22:18 - 04:34. Astro Dark: 23:18 - 03:35

Total Clouds (% Sky Obscured)

82
84
89
90
90
90
94
89
95
95
91
90
89
90
90
90
72
47
46
60
67
68
69
78

Low Clouds (% Sky Obscured)

58
66
72
79
80
76
79
70
58
55
45
52
57
60
69
77
72
47
46
60
65
67
69
76

Medium Clouds (% Sky Obscured)

29
29
29
33
38
44
45
42
40
35
35
31
26
28
22
16
15
10
6
10
9
7
2
8

High Clouds (% Sky Obscured)

48
51
57
61
59
43
38
36
51
57
61
43
23
4
3
3
2
1
1
0
0
0
0
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

25
24
28
32
35
36
37
37
29
18
6
8
10
12
50
76
94
87
69
42
27
17
9
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1
0.7
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

8
10
10
10
8
6
5
6
8
8
7
7
6
5
4
6
7
8
7
7
7
8
9
9

Chance of Frost

Temperature (°C)

21
21
21
22
22
22
21
21
19
18
16
15
15
15
14
14
14
14
14
14
14
16
18
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
41
41
41
41
43
43
46
52
60
75
79
83
83
82
83
84
84
83
83
82
65
52
41

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1016
1015
1015
1015
1015
1015
1014
1015
1015
1015
1015
1015
1016

Ozone (du)

321
321
320
320
320
323
326
327
328
329
329
328
327
327
327
327
327
327
327
328
329
328
327
326

Sunday 9

Waning Crescent 15%

02:23

19:10

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

Sun - Rise: 06:01, Set: 20:50, Transit: 13:25. Moon - Rise: 02:23, Set: 19:10. Civil Dark: 21:28 - 05:24. Nautical Dark: 22:16 - 04:36. Astro Dark: 23:15 - 03:38

Total Clouds (% Sky Obscured)

87
97
76
56
31
40
42
51
39
21
10
13
18
29
34
39
58
56
57
56
64
71
76
75

Low Clouds (% Sky Obscured)

83
90
71
53
31
40
42
51
39
21
10
13
18
29
34
37
33
45
54
56
64
71
76
72

Medium Clouds (% Sky Obscured)

16
23
18
9
0
3
5
5
3
2
0
2
3
5
10
14
19
7
4
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
2
2
3
2
2
2
1
1
0
0
0
0
0
0
0
0
0
0
2
3
5
16

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 (%)

8
6
7
8
7
6
7
7
8
10
12
11
9
8
9
13
15
14
9
6
9
11
12
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
6
6
7
7
8
10
11
12
13
15
15
15
16
15
15
15
14
14
14
13
11
10

Relative Humidity (%)

40
37
35
36
37
38
43
50
57
69
79
95
95
96
98
96
96
96
95
95
95
81
69
60

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020

Ozone (du)

326
325
324
323
322
321
320
319
317
317
317
316
316
316
316
317
318
319
320
322
323
324
324
325

Monday 10

Waning Crescent 8%

03:50

19:54

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 Bad
00 Bad
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:03, Set: 20:48, Transit: 13:25. Moon - Rise: 03:50, Set: 19:54. Civil Dark: 21:26 - 05:26. Nautical Dark: 22:13 - 04:39. Astro Dark: 23:12 - 03:41

Total Clouds (% Sky Obscured)

77
77
69
60
52
53
54
55
70
85
100
89
73
49
40
39
47
63
75
78

Low Clouds (% Sky Obscured)

66
61
58
55
52
51
50
50
53
53
47
46
43
47
31
16
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
16
43
49
40
24
0
1
2
3

High Clouds (% Sky Obscured)

23
29
20
11
3
5
6
7
20
30
31
21
12
7
10
14
26
62
65
73

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
7
4
1
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

Wind Speed/Direction (mph)

12
12
13
13
12
12
12
11
10
8
6
4
3
3
3
2
3
4
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
18
17
16
17
17
18
14
15
15
14
13
12
11
12
12
12
13

Dew Point (°C)

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

Relative Humidity (%)

54
49
44
42
39
37
40
43
47
56
67
79
74
70
66
62
58
54
63
74

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

325
324
324
324
324
324
324
323
323
323
322
321
322
322
322
321
321
320
319
317

Forecast for Mawgan Porth, Cornwall, United Kingdom (50.46,-5.03)

Generated: 04/08/26 11:41:56. Forecast: 04/08/26 to 10/08/26. Timezone: UTC+1.00