Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 86%

18:50

11:39

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
11 Bad
12 Bad

Sun - Rise: 08:08, Set: 16:16, Transit: 12:12. Moon - Rise: 18:50, Set: 11:39. Civil Dark: 16:55 - 07:29. Nautical Dark: 17:36 - 06:48. Astro Dark: 18:16 - 06:08

Total Clouds (% Sky Obscured)

84
84
74
88
100
77
88
69
77
77
84
100
87
100
100
100
100
100
100
100
100
96
94
77

Low Clouds (% Sky Obscured)

79
74
69
73
71
60
66
66
70
64
54
59
69
58
66
54
53
76
59
59
52
54
61
63

Medium Clouds (% Sky Obscured)

84
71
8
0
0
0
8
3
6
22
83
100
59
60
86
100
91
100
100
100
97
85
76
64

High Clouds (% Sky Obscured)

84
84
74
86
92
17
15
0
0
24
84
100
87
85
100
100
100
100
100
100
100
60
83
60

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
6
1
0
1
0
1
2
20
11
40
50
40
29
15
37
61
74
85
60
80
93

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
0
0.4
0.5

Wind Speed/Direction (mph)

20
22
24
22
16
14
13
12
12
13
13
12
13
14
15
15
14
14
16
15
15
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
8
8
9
8
8
7
7
7
7
7
6
7
7
7
8
7
8
7
7
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

86
92
89
89
87
90
93
91
90
91
90
90
87
86
83
83
81
83
81
81
87
90
92
92

Pressure (mb)

998
999
1000
1001
1002
1003
1004
1004
1005
1005
1005
1006
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007
1007
1007

Ozone (du)

297
299
302
306
307
308
309
310
312
313
312
313
313
318
323
325
329
332
337
343
347
348
346
345

Monday 8

Waning Gibbous 77%

20:17

12:01

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
11 Bad
12 Bad

Sun - Rise: 08:09, Set: 16:16, Transit: 12:12. Moon - Rise: 20:17, Set: 12:01. Civil Dark: 16:54 - 07:30. Nautical Dark: 17:36 - 06:49. Astro Dark: 18:16 - 06:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
96
100

Low Clouds (% Sky Obscured)

65
62
73
69
62
62
49
73
84
80
81
87
85
84
89
89
87
85
94
100
100
22
34
57

Medium Clouds (% Sky Obscured)

40
31
100
21
53
100
100
66
77
92
100
100
100
100
100
94
95
100
85
100
93
91
94
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
100
100
96
66
70
71

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
4
4
5
5
9
8
9
9
9
8
9
9
9
3

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

70
32
13
15
4
8
3
5
62
86
95
95
95
95
95
95
55
79
89
82
67
60
84
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.6
0.5
1.3
2.2
1.5
1.5
0.5
0
0.4
0.5
0.4
0.4
0.3
0.6
0.6

Wind Speed/Direction (mph)

16
16
15
14
10
10
10
9
11
15
20
21
24
27
29
30
30
29
30
30
28
27
22
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
8
7
8
8
9
10
11
9
8
8
6
5
5
4
5
6
5
5
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

90
89
90
90
92
93
95
96
98
96
96
95
93
93
92
92
90
92
89
87
92
90
92
93

Pressure (mb)

1006
1006
1006
1007
1007
1007
1007
1006
1006
1005
1004
1003
1002
1001
1000
999
998
997
997
997
998
998
999
999

Ozone (du)

344
343
344
342
339
331
326
319
310
305
301
297
292
291
290
287
287
290
292
292
293
296
296
296

Tuesday 9

Waning Gibbous 67%

21:40

12:17

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
11 Bad
12 Bad

Sun - Rise: 08:10, Set: 16:16, Transit: 12:13. Moon - Rise: 21:40, Set: 12:17. Civil Dark: 16:54 - 07:31. Nautical Dark: 17:36 - 06:49. Astro Dark: 18:16 - 06:10

Total Clouds (% Sky Obscured)

99
95
100
100
100
100
100
100
81
78
78
82
83
81
70
65
48
48
45
42
44
39
36
31

Low Clouds (% Sky Obscured)

61
33
12
32
45
60
70
67
73
69
69
74
76
75
69
65
48
48
45
42
44
39
36
31

Medium Clouds (% Sky Obscured)

96
88
100
100
100
100
93
1
0
0
24
1
37
19
40
15
3
3
0
0
0
1
1
1

High Clouds (% Sky Obscured)

70
90
72
100
100
100
84
95
65
66
0
4
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
3
3
7
9
9
8
6
6
5
9
4
9
9
9
9
9
9
9
8
8
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
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

61
88
95
95
45
7
50
65
84
95
49
54
49
22
23
21
25
22
21
31
37
24
21
23

Precipitation Amount (mm)

0.2
0.5
1.6
1.9
0
0
0.2
0.4
0.5
1.2
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
12
12
12
12
12
12
12
12
11
10
11
10
10
10
10
10
10
10
11
11
12

Feels Like (°C)

6
6
6
5
5
6
6
5
5
6
6
1
2
4
6
6
7
7
7
7
7
8
9
10

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
93
92
86
80
86
92
93
92
88
87
81
83
84
83
84
85
87
87
87
87
84

Pressure (mb)

999
1000
1000
1000
1000
1000
1000
1000
1000
999
1000
1002
1005
1006
1008
1009
1010
1011
1012
1013
1014
1015
1016
1016

Ozone (du)

294
291
289
288
291
293
294
296
299
302
300
300
298
298
299
302
303
304
304
306
309
310
311
310

Wednesday 10

Waning Gibbous 56%

22:59

12:30

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

Sun - Rise: 08:11, Set: 16:16, Transit: 12:13. Moon - Rise: 22:59, Set: 12:30. Civil Dark: 16:54 - 07:32. Nautical Dark: 17:36 - 06:50. Astro Dark: 18:16 - 06:11

Total Clouds (% Sky Obscured)

27
28
25
25
23
19
16
15
14
7
2
6
10
14
12
12
20
11
9
11
18
32
39
37

Low Clouds (% Sky Obscured)

27
28
25
25
23
19
16
15
14
7
2
6
10
14
12
12
20
11
9
11
18
29
34
34

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
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
3
6
2
0
0
0
0
0
0
0
0
0
0
18
32
39
37

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 (%)

11
6
16
4
0
3
0
3
1
1
0
0
0
0
1
1
0
11
12
6
20
18
19
19

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
10
9
7
5
4
3
4
4
4
5
6
6
7
9
10
12
13
12
12
12
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
10
9
9
8
7
8
7
8
7
7
8
8
8
8
7
6
7
8
7
8
7
9

Dew Point (°C)

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

Relative Humidity (%)

84
86
88
91
91
91
91
93
93
95
93
93
91
91
93
93
91
87
88
91
91
91
90
90

Pressure (mb)

1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1018
1017
1017
1016
1016
1016
1015
1015
1014
1014

Ozone (du)

313
310
311
314
311
315
312
313
312
313
312
315
317
319
320
320
321
322
323
323
324
326
327
322

Thursday 11

Third Quarter 46%

00:13

12:42

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
11 Bad
12 Bad

Sun - Rise: 08:12, Set: 16:16, Transit: 12:14. Moon - Rise: 00:13, Set: 12:42. Civil Dark: 16:54 - 07:33. Nautical Dark: 17:36 - 06:51. Astro Dark: 18:16 - 06:11

Total Clouds (% Sky Obscured)

43
42
39
41
51
96
99
98
91
83
76
76
76
77
86
92
99
96
95
90
87
89
85
87

Low Clouds (% Sky Obscured)

39
38
38
41
48
54
64
72
71
65
58
51
47
43
40
36
33
32
32
37
49
61
70
69

Medium Clouds (% Sky Obscured)

30
40
39
35
35
33
92
73
85
71
48
61
71
77
86
92
95
90
85
64
45
45
45
40

High Clouds (% Sky Obscured)

43
42
39
27
2
27
15
15
15
15
25
30
40
50
71
73
82
68
48
25
12
6
4
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
4
4
4
4

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

19
6
14
23
33
85
95
95
95
95
35
28
24
23
20
18
8
23
37
54
59
66
66
58

Precipitation Amount (mm)

0
0
0
0
0
0.4
1.4
1.5
1.5
0.8
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
8
9
9
6
6
6
5
5
4
5
5
5
6
6
6
6
6
5
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
91
91
90
91
95
95
93
91
90
91
91
91
88
87
85
87
88
91
91
90
90

Pressure (mb)

1013
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013

Ozone (du)

317
314
312
309
308
308
309
309
312
314
314
315
317
319
321
320
319
318
318
318
317
318
319
319

Friday 12

Waning Crescent 36%

01:24

12:53

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
11 Bad
12 Bad

Sun - Rise: 08:13, Set: 16:16, Transit: 12:14. Moon - Rise: 01:24, Set: 12:53. Civil Dark: 16:54 - 07:34. Nautical Dark: 17:36 - 06:52. Astro Dark: 18:16 - 06:12

Total Clouds (% Sky Obscured)

82
82
88
93
100
100
99
99
91
93
90
96
100
100
100
100
100
99
99
98
99
99
100
98

Low Clouds (% Sky Obscured)

64
60
50
47
44
44
45
45
60
75
89
93
96
100
98
97
95
90
84
79
75
72
71
79

Medium Clouds (% Sky Obscured)

45
65
87
93
100
72
44
21
35
40
45
53
60
66
73
84
99
99
99
98
99
99
100
81

High Clouds (% Sky Obscured)

8
21
48
71
90
87
84
81
47
26
6
4
2
0
12
24
36
45
51
54
66
83
98
90

ISS Passover

Visibility (miles)

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

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
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

50
43
33
24
19
17
17
19
17
20
32
41
48
56
53
58
68
77
87
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.2
0.3
0.4
0.6
0.7
0.8
1.1
1
1

Wind Speed/Direction (mph)

8
7
7
7
7
8
9
10
11
12
14
15
16
18
19
18
18
17
17
18
19
21
23
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
5
5
5
5
6
5
5
5
5
5
6
6
5
5
6
6
5
5
5
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

87
85
85
82
82
82
82
81
82
81
80
78
80
81
82
84
84
85
85
87
87
87
88
89

Pressure (mb)

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

Ozone (du)

318
317
315
317
318
320
330
341
351
351
352
352
353
353
354
352
350
348
348
348
347
347
347
347

Saturday 13

Waning Crescent 27%

02:35

13:06

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

Sun - Rise: 08:13, Set: 16:16, Transit: 12:15. Moon - Rise: 02:35, Set: 13:06. Civil Dark: 16:54 - 07:35. Nautical Dark: 17:36 - 06:53. Astro Dark: 18:16 - 06:13

Total Clouds (% Sky Obscured)

94
91
86
79
71
56
44
39
60
77
95
97
98
100
100
100
100

Low Clouds (% Sky Obscured)

77
71
63
65
71
56
44
39
60
77
95
94
90
86
85
83
82

Medium Clouds (% Sky Obscured)

62
43
42
37
23
24
30
39
51
61
71
67
50
35
30
21
26

High Clouds (% Sky Obscured)

83
75
81
79
71
56
44
37
43
52
60
67
80
85
89
93
96

ISS Passover

Visibility (miles)

6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
None
None
Very Light Rain

Precipitation Probability (%)

89
47
55
67
76
67
55
34
40
38
38
39
38
46
40
40
47

Precipitation Amount (mm)

0.6
0
0
0.3
0.4
0.3
0.2
0
0
0
0
0
0
0.2
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
5
5
6
6
6
6
6
6
6
8
8
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

86
85
84
85
85
85
85
84
85
88
90
93
95
95
95
96
98

Pressure (mb)

1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014

Ozone (du)

344
341
339
338
337
337
337
336
336
332
328
325
324
323
323
321
320

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

Generated: 07/12/25 13:36:37. Forecast: 07/12/25 to 13/12/25. Timezone: UTC+0.00