Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 29

Full Moon 100%

21:23

05:11

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 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:47, Set: 21:09, Transit: 13:28. Moon - Rise: 21:23, Set: 05:11. Civil Dark: 21:48 - 05:07. Nautical Dark: 22:41 - 04:15. Astro Dark: 23:51 - 03:08

Total Clouds (% Sky Obscured)

71
66
66
64
61
67
63
62
78
56
64
69
56
88
64
73
100
90
97
96
92
94
100
100

Low Clouds (% Sky Obscured)

28
49
66
64
61
62
63
55
72
47
51
45
39
47
38
53
65
72
58
51
57
50
59
66

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
8
4
1
0
0
0
30
13
13
35
32

High Clouds (% Sky Obscured)

0
0
1
2
9
33
14
30
35
31
35
39
36
75
56
69
100
84
94
92
83
90
100
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 (%)

57
95
95
94
43
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
2
5
8
5
1
1
0
0
0
0
0
0
0
1
2
1
0
0
0
4
17

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
2
2
4
5
7
8
9
10
11
12
13
13
12
13
12
11
10
10
10
10
10
10

Chance of Frost

Temperature (°C)

18
17
17
17
18
19
20
20
20
20
20
21
21
20
20
20
19
19
18
18
18
18
18
18

Feels Like (°C)

20
20
20
20
21
21
20
21
20
19
19
19
20
19
18
18
18
18
18
17
17
17
17
17

Dew Point (°C)

16
16
16
16
16
16
16
16
16
16
15
15
15
15
15
16
17
18
18
17
17
17
17
17

Relative Humidity (%)

89
90
90
90
86
82
77
77
77
77
72
70
70
71
75
81
88
95
95
92
93
92
92
95

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

330
325
323
321
320
319
319
320
320
322
325
326
327
326
325
325
326
325
325
325
326
327
327
328

Thursday 30

Waning Gibbous 98%

21:41

06:25

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

Sun - Rise: 05:48, Set: 21:08, Transit: 13:28. Moon - Rise: 21:41, Set: 06:25. Civil Dark: 21:47 - 05:09. Nautical Dark: 22:39 - 04:17. Astro Dark: 23:48 - 03:11

Total Clouds (% Sky Obscured)

100
100
100
100
83
91
81
80
68
52
39
44
27
30
23
14
26
39
45
40
5
14
8
19

Low Clouds (% Sky Obscured)

96
88
84
77
73
67
48
53
58
52
39
44
27
30
23
14
13
21
32
33
3
0
8
19

Medium Clouds (% Sky Obscured)

36
21
27
40
68
33
43
13
18
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
59
77
70
53
13
4
0
0
0
0
1
2
21
27
23
13
2
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 (%)

10
16
4
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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)

11
12
11
12
13
13
12
11
11
11
11
11
12
11
10
9
9
9
9
9
8
6
5
4

Chance of Frost

Temperature (°C)

18
18
17
17
17
17
18
18
18
18
18
18
18
18
18
17
17
16
16
16
16
16
16
16

Feels Like (°C)

16
15
15
14
15
15
15
15
16
16
17
17
17
16
17
17
16
15
13
14
15
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

90
81
78
79
74
72
67
63
61
60
60
62
63
65
67
66
65
71
70
70
73
74
77
77

Pressure (mb)

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

Ozone (du)

329
329
330
330
330
335
340
343
343
344
345
345
345
346
346
344
343
343
343
343
343
343
343
343

Friday 31

Waning Gibbous 94%

21:55

07:40

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 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:49, Set: 21:06, Transit: 13:28. Moon - Rise: 21:55, Set: 07:40. Civil Dark: 21:45 - 05:11. Nautical Dark: 22:37 - 04:19. Astro Dark: 23:44 - 03:15

Total Clouds (% Sky Obscured)

24
33
32
29
36
55
63
68
61
66
75
80
88
91
100
92
80
72
78
84
86
87
87
88

Low Clouds (% Sky Obscured)

24
33
32
29
36
47
42
51
44
46
45
45
30
15
0
2
5
7
5
2
0
17
33
46

Medium Clouds (% Sky Obscured)

0
0
0
0
0
17
19
15
14
18
17
19
20
27
29
32
32
35
38
40
43
42
42
37

High Clouds (% Sky Obscured)

0
2
2
1
0
0
2
0
0
12
25
40
51
58
71
53
40
20
31
46
56
53
49
46

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
2
1
2
2
7
9
11
7
4
4
4
3
1
0
0
0
0
2
2
0
0
1
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)

4
4
3
2
2
2
4
6
8
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

16
16
16
16
17
18
18
18
18
19
19
19
19
19
18
18
17
17
16
16
16
16
16
16

Feels Like (°C)

16
16
16
18
19
19
19
18
17
18
18
18
18
18
18
17
16
15
15
15
15
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

77
77
75
73
66
61
58
56
55
56
55
55
56
57
59
62
65
72
73
68
68
73
75
77

Pressure (mb)

1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

343
344
345
346
347
348
349
350
349
349
349
349
348
346
344
340
338
337
337
337
336
337
338
337

Saturday 1

Waning Gibbous 88%

22:08

08:54

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 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:51, Set: 21:05, Transit: 13:28. Moon - Rise: 22:08, Set: 08:54. Civil Dark: 21:43 - 05:12. Nautical Dark: 22:34 - 04:21. Astro Dark: 23:41 - 03:18

Total Clouds (% Sky Obscured)

88
95
98
100
99
99
99
100
100
100
97
91
92
97
94
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
19
2
15
26
39
28
20
11
7
4
0
11
25
39
28
14
0
0
0
0
11
22
33

Medium Clouds (% Sky Obscured)

39
36
28
29
29
29
28
32
35
36
37
33
38
39
35
30
30
35
35
35
30
24
21
65

High Clouds (% Sky Obscured)

61
72
94
97
94
91
94
97
100
100
90
78
78
89
77
100
100
100
100
100
100
100
100
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 (%)

2
6
3
1
0
0
0
1
1
6
8
9
9
10
13
12
11
9
22
31
39
38
33
25

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)

9
8
7
7
7
8
7
8
8
9
9
9
9
9
8
8
8
8
9
8
8
8
8
9

Chance of Frost

Temperature (°C)

16
16
16
16
17
17
17
18
18
18
18
18
18
18
17
17
17
16
16
15
15
15
16
15

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
11
11
11
11
11
10
10
10
10
10
11
11
11
10
10
10
10
10

Relative Humidity (%)

78
79
79
78
73
71
67
65
63
62
62
61
60
59
61
62
67
74
74
72
72
70
70
72

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1015
1015

Ozone (du)

336
335
334
333
332
332
332
331
331
331
331
329
330
330
328
327
327
327
327
328
327
328
329
331

Sunday 2

Waning Gibbous 88%

22:21

10:08

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 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:52, Set: 21:03, Transit: 13:28. Moon - Rise: 22:21, Set: 10:08. Civil Dark: 21:42 - 05:14. Nautical Dark: 22:32 - 04:23. Astro Dark: 23:37 - 03:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
99
99
100
100
100
100
100
100
99
99
98
96
94
96
98
100

Low Clouds (% Sky Obscured)

54
74
90
55
62
69
79
90
99
98
96
94
91
88
86
86
87
88
81
75
68
74
79
84

Medium Clouds (% Sky Obscured)

99
90
100
96
92
89
87
86
85
89
92
96
84
73
61
64
66
68
66
60
56
49
47
44

High Clouds (% Sky Obscured)

100
100
100
98
98
94
94
94
95
96
98
100
100
100
100
94
87
81
78
74
69
77
84
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
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
22
20
72
79
86
95
95
95
95
95
87
75
61
46
36
26
15
16
14
12
13
17
21

Precipitation Amount (mm)

0
0
0
0.4
0.5
0.6
1.7
2.9
4.5
2
1.3
0.5
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
75
73
64
58
54
49
47
46
43
44
46
47
49
50
51
57
65
72
72
72
72
73
76

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009

Ozone (du)

332
331
332
332
332
331
330
331
331
331
331
330
330
330
331
331
330
330
329
329
330
330
330
331

Monday 3

Waning Gibbous 80%

22:34

11:24

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 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:54, Set: 21:01, Transit: 13:28. Moon - Rise: 22:34, Set: 11:24. Civil Dark: 21:40 - 05:15. Nautical Dark: 22:30 - 04:25. Astro Dark: 23:34 - 03:24

Total Clouds (% Sky Obscured)

100
99
99
94
90
85
80
74
69
68
68
67
73
80
86
87
86
83
88
92
96
97
98
99

Low Clouds (% Sky Obscured)

80
75
71
76
80
85
80
74
69
68
67
66
62
59
56
47
38
30
32
35
38
39
40
40

Medium Clouds (% Sky Obscured)

36
26
17
13
10
6
4
2
0
0
0
0
1
1
2
9
15
20
23
25
30
48
66
84

High Clouds (% Sky Obscured)

82
74
62
35
17
0
5
8
12
12
9
6
29
53
78
72
66
61
65
66
70
70
70
71

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 (%)

27
25
22
21
18
13
12
10
7
12
14
15
13
14
15
12
11
10
13
15
15
17
19
20

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

Chance of Frost

Temperature (°C)

17
17
17
18
18
19
19
19
19
19
19
19
19
19
18
18
18
18
18
18
18
18
18
17

Feels Like (°C)

16
16
16
16
18
17
17
17
18
18
17
17
17
17
17
18
18
18
19
19
18
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

77
76
76
76
67
61
55
62
69
77
78
81
84
85
88
88
90
93
96
96
96
96
95
95

Pressure (mb)

1009
1009
1009
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

331
329
327
325
324
324
323
319
315
311
310
309
308
307
305
304
303
302
302
301
300
300
301
302

Tuesday 4

Waning Gibbous 71%

22:50

12:42

Sun - Rise: 05:55, Set: 21:00, Transit: 13:28. Moon - Rise: 22:50, Set: 12:42. Civil Dark: 21:38 - 05:17. Nautical Dark: 22:28 - 04:27. Astro Dark: 23:31 - 03:27

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for St Ives, Cornwall, United Kingdom (50.22,-5.48)

Generated: 29/07/26 04:44:43. Forecast: 29/07/26 to 04/08/26. Timezone: UTC+1.00