Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 24

Waning Crescent 17%

05:05

16:12

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:06, Set: 20:31, Transit: 13:19. Moon - Rise: 05:05, Set: 16:12. Civil Dark: 21:06 - 05:31. Nautical Dark: 21:51 - 04:45. Astro Dark: 22:44 - 03:52

Total Clouds (% Sky Obscured)

92
93
89
87
93
86
86
83
87
85
83
84
90
94
100
93
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

58
55
76
79
90
83
73
63
63
65
38
41
51
60
66
70
75
77
87
86
84
92
100
88

Medium Clouds (% Sky Obscured)

55
44
41
29
25
37
37
31
64
66
61
68
52
86
76
73
100
100
99
99
98
73
77
94

High Clouds (% Sky Obscured)

0
0
2
3
3
3
3
68
80
73
27
41
90
57
58
62
93
99
100
93
62
45
17
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 (%)

15
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
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
9
0
0
2
0
0
1
3
2
3
1
14
30
48
52
38
29
34
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0
0
0

Wind Speed/Direction (mph)

2
4
3
4
4
5
7
8
10
11
11
12
12
12
12
13
13
14
14
14
14
14
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
81
79
77
78
75
75
76
79
80
81
83
84
84
81
83
83
83
83
83
81
83
81

Pressure (mb)

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

Ozone (du)

351
350
348
348
348
347
346
346
345
342
340
337
336
334
333
334
333
333
333
334
337
339
340
341

Friday 25

Waning Crescent 9%

05:19

17:39

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:05, Set: 20:32, Transit: 13:19. Moon - Rise: 05:19, Set: 17:39. Civil Dark: 21:08 - 05:28. Nautical Dark: 21:53 - 04:43. Astro Dark: 22:46 - 03:49

Total Clouds (% Sky Obscured)

98
98
100
100
99
100
99
100
100
100
100
100
100
100
100
94
95
88
67
66
66
57
61
67

Low Clouds (% Sky Obscured)

75
71
82
95
85
96
99
91
87
87
90
74
77
65
57
60
69
70
63
64
64
57
61
67

Medium Clouds (% Sky Obscured)

95
91
100
94
67
100
99
100
73
88
99
100
100
100
100
88
87
69
6
45
37
4
2
2

High Clouds (% Sky Obscured)

0
0
2
39
0
0
5
40
35
35
35
30
25
25
0
35
72
1
67
1
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
4
3
5
5
1
1
1
1
3
3
4
4
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

22
28
47
44
45
54
82
95
95
95
95
95
95
95
95
95
91
79
46
20
17
15
14
11

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
1.4
1.1
0.9
1.7
1.4
1.3
2.6
2.7
1.2
0.6
0.5
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
18
19
18
18
17
16
14
14
13
12
12
8
5
4
4
4
4
6
6
6
7
8
7

Chance of Frost

Temperature (°C)

11
11
12
12
12
12
13
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
84
84
83
84
86
92
93
95
96
96
96
98
96
96
98
96
96
96
95
95
95
96

Pressure (mb)

1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1018
1018
1019
1018
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

342
343
344
347
350
351
350
350
350
350
352
355
357
358
360
363
364
364
364
365
365
366
368
369

Saturday 26

Waning Crescent 3%

05:36

19:08

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

Sun - Rise: 06:03, Set: 20:34, Transit: 13:19. Moon - Rise: 05:36, Set: 19:08. Civil Dark: 21:10 - 05:26. Nautical Dark: 21:55 - 04:40. Astro Dark: 22:49 - 03:46

Total Clouds (% Sky Obscured)

69
62
55
59
50
49
64
44
35
52
50
45
59
74
89
93
96
100
78
69
73
98
96
94

Low Clouds (% Sky Obscured)

69
62
55
59
50
49
49
44
35
36
29
21
26
30
35
32
29
25
33
40
45
57
56
64

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
48
15
24
31
20
9
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
42
3
0
52
50
45
59
71
82
87
93
99
69
67
68
94
92
86

ISS Passover

Visibility (miles)

5
9
9
9
9
9
6
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
4
3
2
13
13
13
20
3
3
2
0
0
0
0
0
0
0
0
1
0
1
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)

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

Chance of Frost

Temperature (°C)

11
11
12
12
13
13
13
13
13
13
13
13
12
12
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

10
11
10
10
10
9
9
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

96
95
90
87
81
79
80
81
79
76
76
77
83
86
87
88
90
88
91
90
90
90
90
90

Pressure (mb)

1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1024
1024
1025
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

368
367
368
367
368
366
362
360
358
357
355
354
353
353
353
354
356
357
359
359
359
356
356
357

Sunday 27

New Moon 0%

05:56

20:42

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:01, Set: 20:35, Transit: 13:19. Moon - Rise: 05:56, Set: 20:42. Civil Dark: 21:11 - 05:24. Nautical Dark: 21:58 - 04:38. Astro Dark: 22:52 - 03:43

Total Clouds (% Sky Obscured)

96
98
100
100
100
100
94
85
64
85
75
49
75
76
95
94
92
90
93
96
100
100
100
100

Low Clouds (% Sky Obscured)

65
64
49
48
52
56
53
53
50
49
52
49
53
55
53
43
33
22
19
16
13
25
41
57

Medium Clouds (% Sky Obscured)

36
29
76
81
90
36
23
15
0
0
0
0
0
0
0
4
8
9
14
19
27
47
51
91

High Clouds (% Sky Obscured)

91
96
100
100
100
100
87
72
32
57
69
49
75
76
73
72
71
72
82
91
100
100
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
1
0
0
0
0
0
0
0
1
2
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)

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

Chance of Frost

Temperature (°C)

11
12
12
12
13
13
13
13
13
13
13
13
13
12
12
12
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
10
10
11
10
10
10
10
11
11
11
10
10
10
10
10
10
9
9
9

Relative Humidity (%)

90
92
90
86
83
84
82
83
82
82
83
84
87
92
92
92
92
93
93
91
91
90
91
91

Pressure (mb)

1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1023

Ozone (du)

358
354
353
354
353
353
352
351
350
348
347
345
343
341
341
338
336
335
334
332
331
330
329
327

Monday 28

Waxing Crescent 1%

06:25

22:17

07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
13 OK
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

Sun - Rise: 05:59, Set: 20:37, Transit: 13:19. Moon - Rise: 06:25, Set: 22:17. Civil Dark: 21:13 - 05:22. Nautical Dark: 22:00 - 04:36. Astro Dark: 22:55 - 03:40

Total Clouds (% Sky Obscured)

79
58
41
39
37
37
41
45
45
40
45
55
60
65
70
65
60
60
60
55
55
50
55
60

Low Clouds (% Sky Obscured)

7
14
21
13
5
0
0
0
0
0
0
0
3
7
13
25
35
49
30
15
0
0
0
0

Medium Clouds (% Sky Obscured)

57
48
39
39
37
37
41
45
45
40
34
19
17
14
9
13
17
22
14
7
1
1
1
0

High Clouds (% Sky Obscured)

79
58
38
35
26
37
41
45
45
40
35
35
25
20
10
0
0
0
0
0
0
0
0
15

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)

8
11
13
16
17
17
18
18
18
18
17
16
16
15
15
14
14
14
14
14
15
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
10
10
11
11
11
11
11
11
11
11
11
10
10
10
11
10
10
10
10
10

Relative Humidity (%)

88
84
80
75
75
75
75
76
78
79
82
83
86
87
86
84
87
87
90
90
90
90
89
86

Pressure (mb)

1023
1022
1022
1022
1022
1021
1021
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015

Ozone (du)

326
326
326
326
326
325
325
325
324
323
323
322
321
322
322
323
324
325
326
327
328
329
331
332

Tuesday 29

Waxing Crescent 5%

07:05

23:48

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

Sun - Rise: 05:57, Set: 20:38, Transit: 13:19. Moon - Rise: 07:05, Set: 23:48. Civil Dark: 21:15 - 05:20. Nautical Dark: 22:02 - 04:33. Astro Dark: 22:58 - 03:37

Total Clouds (% Sky Obscured)

60
60
60
60
60
60
51
34
21
13
9
4
14
28
48
61
78
92
94
96
97
96
97
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
6
7
4
13
22
30
48
60
72
74
75
77

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
15
22
25
29
35

High Clouds (% Sky Obscured)

25
35
45
45
45
40
20
11
5
4
3
2
3
7
10
7
3
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
8
7
6
7
8
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
2
4
7
18
25
28
32
31
27
31
28
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
80
79
78
76
75
76
75
76
76
79
79
79
78
78
79
82
84
86
89
90
90
92

Pressure (mb)

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

Ozone (du)

334
335
336
336
337
338
339
340
341
341
341
341
340
339
338
337
337
336
336
336
335
335
336
336

Wednesday 30

Waxing Crescent 12%

07:05

01:06

Sun - Rise: 05:55, Set: 20:40, Transit: 13:19. Moon - Rise: 07:05, Set: 01:06. Civil Dark: 21:17 - 05:18. Nautical Dark: 22:04 - 04:31. Astro Dark: 23:00 - 03:33

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: 24/04/25 07:25:09. Forecast: 24/04/25 to 30/04/25. Timezone: UTC+1.00