Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 20

Waning Crescent 15%

01:18

17:50

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

Sun - Rise: 05:33, Set: 21:20, Transit: 13:26. Moon - Rise: 01:18, Set: 17:50. Civil Dark: 22:01 - 04:52. Nautical Dark: 22:59 - 03:55. Astro Dark: 00:30 - 02:27

Total Clouds (% Sky Obscured)

75
79
86
67
71
83
77
69
78
95
100
100
97
100
100
100
100
100
100
100
99
100
81
83

Low Clouds (% Sky Obscured)

62
31
40
35
12
8
43
34
45
34
23
40
53
37
53
59
62
84
86
67
88
88
62
58

Medium Clouds (% Sky Obscured)

62
59
76
38
58
70
34
30
25
21
32
46
92
98
100
100
100
100
98
100
95
64
72
31

High Clouds (% Sky Obscured)

12
6
1
31
60
35
4
5
9
25
100
93
92
100
98
98
82
100
100
100
78
50
5
29

ISS Passover

Visibility (miles)

8
8
8
5
7
9
9
9
9
9
9
9
9
9
9
9
5
3
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

40
17
59
67
45
30
34
17
8
7
17
11
3
16
18
73
95
95
95
64
39
42
38
30

Precipitation Amount (mm)

0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0.4
1.3
1.1
1.1
0.3
0
0
0
0

Wind Speed/Direction (mph)

12
11
9
7
6
6
5
6
7
5
5
6
7
7
7
9
11
9
7
9
15
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
72
77
89
95
95
95
93
95
95
92
92
93
92
89
89
90
93
93
93
93
86
76
71

Pressure (mb)

997
996
996
997
997
997
997
997
997
998
998
998
999
1000
1000
1001
1002
1002
1003
1003
1004
1004
1005
1006

Ozone (du)

360
360
360
361
361
363
363
363
362
360
356
352
349
349
347
344
343
342
341
341
342
343
343
345

Monday 21

Waning Crescent 7%

02:07

19:11

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

Sun - Rise: 05:35, Set: 21:19, Transit: 13:26. Moon - Rise: 02:07, Set: 19:11. Civil Dark: 22:00 - 04:54. Nautical Dark: 22:57 - 03:57. Astro Dark: 00:25 - 02:32

Total Clouds (% Sky Obscured)

95
69
87
76
70
57
72
63
68
56
69
100
99
96
97
96
99
100
100
100
100
95
97
99

Low Clouds (% Sky Obscured)

78
54
51
55
50
46
67
54
62
56
64
63
65
78
71
86
55
37
56
59
59
54
72
67

Medium Clouds (% Sky Obscured)

45
26
38
30
30
0
0
0
0
0
0
0
2
16
47
45
53
72
75
75
85
75
80
86

High Clouds (% Sky Obscured)

8
7
6
0
0
0
0
0
0
3
36
100
97
73
0
60
41
60
60
50
5
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
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 (%)

34
28
25
27
23
17
17
14
15
5
16
7
3
16
22
25
22
15
10
14
18
15
32
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
76
82
86
86
87
90
92
92
93
92
92
90
93
90
78
69
66
61
59
58
57
60
71

Pressure (mb)

1006
1007
1007
1008
1008
1009
1009
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

341
336
336
339
336
335
335
334
335
332
330
330
333
334
336
336
340
343
349
349
351
352
351
352

Tuesday 22

Waning Crescent 2%

03:13

20:17

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

Sun - Rise: 05:36, Set: 21:18, Transit: 13:26. Moon - Rise: 03:13, Set: 20:17. Civil Dark: 21:59 - 04:55. Nautical Dark: 22:55 - 03:59. Astro Dark: 00:20 - 02:36

Total Clouds (% Sky Obscured)

95
80
96
79
71
75
76
77
75
61
63
57
92
85
76
77
68
82
74
63
68
47
48
39

Low Clouds (% Sky Obscured)

65
60
62
49
71
58
59
69
65
61
63
57
62
63
59
61
63
75
59
45
51
47
48
39

Medium Clouds (% Sky Obscured)

72
52
62
48
33
61
38
29
25
37
31
27
78
54
35
11
21
21
10
8
4
2
0
0

High Clouds (% Sky Obscured)

45
7
57
12
4
3
37
34
33
4
5
0
70
7
6
3
3
3
7
0
1
1
2
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 (%)

31
47
43
30
29
26
22
17
15
13
21
17
18
12
19
15
20
17
9
4
2
2
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)

9
8
8
7
6
6
5
5
5
6
6
6
6
5
6
9
11
12
13
14
14
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
66
72
81
89
92
92
93
93
93
93
93
93
95
93
83
74
67
65
64
64
65
65
66

Pressure (mb)

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

Ozone (du)

350
352
351
352
353
353
353
353
352
354
351
350
346
342
340
339
339
339
339
339
339
339
341
345

Wednesday 23

Waning Crescent 0%

04:33

21:04

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

Sun - Rise: 05:37, Set: 21:16, Transit: 13:26. Moon - Rise: 04:33, Set: 21:04. Civil Dark: 21:57 - 04:57. Nautical Dark: 22:53 - 04:01. Astro Dark: 00:16 - 02:41

Total Clouds (% Sky Obscured)

29
25
32
31
41
37
45
34
38
60
53
46
43
42
35
31
30
27
29
34
84
71
24
88

Low Clouds (% Sky Obscured)

29
25
32
31
41
37
45
34
38
44
46
42
38
34
32
31
30
27
29
33
36
36
24
34

Medium Clouds (% Sky Obscured)

0
0
6
13
19
23
27
31
19
10
0
0
0
0
0
1
0
2
4
6
4
3
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
17
47
43
35
30
24
13
13
12
11
10
13
65
53
4
45

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
3
15
21
17
18
19
23
19
17
19
14
13
15
12
9
8
2
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)

15
14
14
12
10
8
8
8
7
6
5
5
5
4
4
5
7
9
9
10
10
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
69
74
81
89
93
93
93
93
93
93
93
93
93
90
81
72
65
63
61
61
60
61
62

Pressure (mb)

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

Ozone (du)

347
348
347
345
344
343
340
336
332
329
329
330
328
326
321
319
319
318
315
313
310
308
308
309

Thursday 24

New Moon 1%

05:58

21:36

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

Sun - Rise: 05:39, Set: 21:15, Transit: 13:26. Moon - Rise: 05:58, Set: 21:36. Civil Dark: 21:56 - 04:58. Nautical Dark: 22:51 - 04:04. Astro Dark: 00:12 - 02:45

Total Clouds (% Sky Obscured)

15
11
13
15
20
23
36
47
50
73
99
98
97
99
89
88
87
87
86
86
86
84
81
86

Low Clouds (% Sky Obscured)

15
11
13
15
20
23
36
47
50
73
95
94
97
97
88
88
86
87
86
86
86
79
70
71

Medium Clouds (% Sky Obscured)

1
0
8
14
19
23
29
37
36
52
88
84
24
12
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
1
0
0
0
0
1
1
1
0
0
0
0
0
0
0
1
2
4
6
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
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
8
12
14
12
9
7
9
14
19
14
9
8
7
6
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
68
71
77
89
92
92
92
92
92
92
90
90
89
87
78
72
66
69
72
76
76
77
76

Pressure (mb)

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

Ozone (du)

309
307
306
305
303
303
304
304
301
300
300
302
301
300
300
299
299
298
298
297
296
296
296
296

Friday 25

Waxing Crescent 4%

07:21

21:59

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

Sun - Rise: 05:40, Set: 21:14, Transit: 13:26. Moon - Rise: 07:21, Set: 21:59. Civil Dark: 21:54 - 05:00. Nautical Dark: 22:49 - 04:06. Astro Dark: 00:08 - 02:49

Total Clouds (% Sky Obscured)

86
90
80
67
59
53
50
46
46
47
47
48
46
42
46
52
66
76
60
55
43
39
36
41

Low Clouds (% Sky Obscured)

76
83
76
67
59
48
40
37
37
41
41
42
43
42
46
50
55
48
39
30
23
29
36
33

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)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
25
27
60
76
60
55
43
30
0
25

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 (%)

14
15
12
8
0
0
0
0
7
11
7
11
13
16
14
11
8
7
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
88
90
93
95
95
96
96
96
95
95
93
92
90
82
73
64
62
59
56
56
55
55

Pressure (mb)

1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027

Ozone (du)

296
297
297
297
297
297
297
296
295
295
295
294
294
294
293
293
294
294
294
295
296
296
296
296

Saturday 26

Waxing Crescent 9%

08:40

22:16

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

Sun - Rise: 05:41, Set: 21:12, Transit: 13:26. Moon - Rise: 08:40, Set: 22:16. Civil Dark: 21:52 - 05:02. Nautical Dark: 22:47 - 04:08. Astro Dark: 00:04 - 02:53

Total Clouds (% Sky Obscured)

40
42
28
17
16
20
24
28
24
17
18
11
9
10
23
38
53
69
83
95

Low Clouds (% Sky Obscured)

37
38
28
17
16
20
24
28
24
17
18
11
9
10
23
38
52
61
73
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
5
9
15
16
15
16
11
9
10
23
35
30
35
40
45

High Clouds (% Sky Obscured)

40
42
28
17
0
14
24
28
24
17
0
2
4
5
22
38
51
53
57
61

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
7
10
10
13
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
63
67
74
85
93
95
95
95
95
96
96
95
93
93
86
81
76
74
73

Pressure (mb)

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

Ozone (du)

296
296
296
297
297
297
297
297
296
296
296
296
296
295
295
295
294
294
295
296

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

Generated: 20/07/25 16:29:48. Forecast: 20/07/25 to 26/07/25. Timezone: UTC+1.00