Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Waning Gibbous 98%

16:13

09:13

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
04 Bad
05 Bad

Sun - Rise: 08:04, Set: 16:17, Transit: 12:11. Moon - Rise: 16:13, Set: 09:13. Civil Dark: 16:55 - 07:26. Nautical Dark: 17:36 - 06:45. Astro Dark: 18:16 - 06:05

Total Clouds (% Sky Obscured)

50
61
70
100
100
100
100
100
96
76
78
82
69
84
85
99
100
100
100
67
85
80
97
91

Low Clouds (% Sky Obscured)

50
61
70
94
76
100
100
91
79
59
70
42
58
67
67
59
58
65
60
65
73
65
67
68

Medium Clouds (% Sky Obscured)

50
61
70
100
96
88
58
92
44
25
21
26
15
21
78
98
100
99
100
29
69
51
69
80

High Clouds (% Sky Obscured)

29
61
70
88
99
95
14
0
2
0
0
0
0
0
0
0
100
57
100
49
1
1
30
2

ISS Passover

Visibility (miles)

9
9
9
9
3
5
7
2
4
7
9
9
7
5
4
5
6
6
7
6
8
6
6
7

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

Precipitation Probability (%)

6
20
58
95
95
95
95
95
95
95
62
40
53
89
81
91
78
80
80
68
67
61
65
68

Precipitation Amount (mm)

0
0
0.2
0.9
1
1.1
2.9
1.4
1.7
0.6
0.2
0
0.3
0.7
0.4
0.6
0.3
0.4
0.4
0.3
0.4
0.3
0.3
0.3

Wind Speed/Direction (mph)

8
9
11
17
20
24
28
28
26
22
22
21
20
21
22
22
23
23
24
24
24
23
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
3
2
2
1
2
5
7
7
6
5
5
3
3
3
3
2
3
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

73
70
72
74
88
93
93
95
92
80
80
80
83
81
83
78
78
81
80
80
81
83
80
83

Pressure (mb)

1004
1003
1002
1001
1000
998
995
993
991
991
990
991
991
991
992
992
991
991
991
991
992
992
993
993

Ozone (du)

306
299
296
291
287
286
286
288
291
292
293
295
298
302
301
301
297
293
288
291
288
286
287
286

Saturday 6

Waning Gibbous 93%

17:25

10:20

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
04 Bad
05 Bad

Sun - Rise: 08:05, Set: 16:16, Transit: 12:11. Moon - Rise: 17:25, Set: 10:20. Civil Dark: 16:55 - 07:27. Nautical Dark: 17:36 - 06:46. Astro Dark: 18:16 - 06:06

Total Clouds (% Sky Obscured)

84
89
89
84
78
100
100
68
63
100
98
65
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
72
75
65
58
60
45
40
46
35
41
39
39
70
40
65
62
59
53
46
75
76
92
99

Medium Clouds (% Sky Obscured)

71
59
60
63
29
31
31
27
45
54
54
41
49
35
38
76
56
100
100
93
81
97
82
81

High Clouds (% Sky Obscured)

13
21
3
49
0
60
66
38
52
100
91
54
96
100
100
100
100
95
94
100
100
100
100
100

ISS Passover

Visibility (miles)

5
7
7
6
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
2

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

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

Precipitation Probability (%)

74
69
64
53
56
51
43
35
27
8
22
22
20
19
17
18
21
18
33
35
59
63
95
95

Precipitation Amount (mm)

0.4
0.4
0.4
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
0.6

Wind Speed/Direction (mph)

24
25
25
25
25
24
24
22
20
19
17
15
13
12
10
9
9
8
9
10
9
9
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
81
83
81
80
80
80
77
76
76
78
83
84
85
87
91
91
91
93
95
96
98
98

Pressure (mb)

994
995
996
997
998
999
999
1000
1000
1001
1002
1002
1003
1004
1004
1004
1004
1004
1003
1003
1002
1001
1000
999

Ozone (du)

289
290
291
292
294
295
292
292
293
293
291
290
291
291
293
292
291
293
293
294
293
291
293
293

Sunday 7

Waning Gibbous 86%

18:50

11:07

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
04 Bad
05 Bad

Sun - Rise: 08:07, Set: 16:16, Transit: 12:11. Moon - Rise: 18:50, Set: 11:07. Civil Dark: 16:55 - 07:28. Nautical Dark: 17:36 - 06:47. Astro Dark: 18:16 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
75
70
64
82
66
86
72
73
76
78
85
92
98

Low Clouds (% Sky Obscured)

79
77
98
87
99
85
91
85
84
85
53
42
45
49
52
51
60
57
60
61
64
63
59
56

Medium Clouds (% Sky Obscured)

93
100
100
100
97
98
100
100
100
48
47
50
37
26
27
17
25
4
3
1
4
0
4
9

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
83
34
1
0
41
2
25
40
25
20
25
47
76
94

ISS Passover

Visibility (miles)

3
6
3
4
5
5
9
5
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

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

Precipitation Probability (%)

95
95
95
95
95
90
72
64
52
6
5
2
13
9
10
27
35
27
16
13
11
17
32
27

Precipitation Amount (mm)

0.8
0.8
1.4
0.9
0.8
0.6
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
12
14
16
18
21
21
20
17
15
16
13
12
12
11
10
10
12
14
14
15
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
95
93
93
93
93
95
93
92
87
90
90
91
93
91
91
93
93
93
93
92
93

Pressure (mb)

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

Ozone (du)

296
298
296
295
296
296
299
302
307
309
309
311
313
314
312
310
305
305
307
309
315
323
329
333

Monday 8

Waning Gibbous 77%

20:17

11:39

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
04 Bad
05 Bad

Sun - Rise: 08:08, Set: 16:16, Transit: 12:12. Moon - Rise: 20:17, Set: 11:39. Civil Dark: 16:54 - 07:29. Nautical Dark: 17:36 - 06:48. Astro Dark: 18:16 - 06:08

Total Clouds (% Sky Obscured)

92
86
79
87
94
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
52
50
53
55
60
62
62
49
55
46
39
55
66
73
79
85
90
90
90
91
92
93
94

Medium Clouds (% Sky Obscured)

18
10
50
46
84
100
95
50
33
30
26
96
99
99
100
100
41
39
89
98
88
100
99
99

High Clouds (% Sky Obscured)

80
69
64
71
84
100
96
93
90
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
6
9
9
9
9
9
9
9
9
9
9
8
3
2
3
8
7
9
9
9
7
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
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain

Precipitation Probability (%)

23
39
33
33
42
52
51
44
34
27
19
11
18
64
95
91
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.6
0.7
0.5
1.6
2.2
2.5
2.7
2.4
2.1

Wind Speed/Direction (mph)

15
15
15
14
15
15
16
16
15
15
14
13
12
13
13
15
18
19
20
21
23
25
26
27

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
92
93
92
86
84
86
89
90
93
95
96
96
96
98
95
96
96
96
95
95
95
95

Pressure (mb)

1006
1006
1007
1007
1008
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1005
1004
1003
1002
1001
1000
999
998
998

Ozone (du)

337
337
342
342
342
343
344
339
335
332
331
328
326
318
311
307
307
304
301
298
295
292
292
292

Tuesday 9

Waning Gibbous 67%

21:40

12:01

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
04 Bad
05 Bad

Sun - Rise: 08:09, Set: 16:16, Transit: 12:12. Moon - Rise: 21:40, 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
98
96
93
95
98
100
92
87
81
83
74
71
79
81
83
87
84
87

Low Clouds (% Sky Obscured)

94
95
95
92
89
86
78
68
63
63
66
71
83
79
75
81
74
71
78
74
71
70
71
74

Medium Clouds (% Sky Obscured)

98
98
98
96
94
92
91
90
89
93
95
100
92
87
76
71
65
55
54
55
51
58
58
61

High Clouds (% Sky Obscured)

100
100
100
100
100
100
69
47
20
36
50
69
39
26
19
16
16
15
29
30
35
28
19
12

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
93
95
77
47
30
47
50
93
95
95
95
95
95
92
65
31
53
72
89

Precipitation Amount (mm)

1.7
1.1
0.6
0.9
0.7
0.6
0.6
0.3
0
0
0
0
0.6
0.7
0.8
0.9
0.9
0.9
0.6
0.3
0
0
0.3
0.5

Wind Speed/Direction (mph)

27
28
28
28
28
28
29
26
24
23
21
20
18
22
20
20
18
17
15
15
15
15
10
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
93
93
93
93
93
92
87
90
89
93
93
93
93
89
84
81
80
82
82
83
87

Pressure (mb)

997
997
996
996
996
996
996
996
996
997
997
998
999
997
998
1000
1000
1000
1001
1001
1000
1000
1001
1002

Ozone (du)

292
289
286
286
286
286
285
284
282
283
283
283
281
282
283
284
285
285
286
287
288
288
291
293

Wednesday 10

Waning Gibbous 56%

22:59

12:17

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
04 Bad
05 Bad

Sun - Rise: 08:10, Set: 16:16, Transit: 12:13. Moon - Rise: 22:59, 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)

87
85
72
61
56
56
57
58
60
55
46
35
34
36
40
44
39
37
36
41
49
56
60
67

Low Clouds (% Sky Obscured)

67
65
66
59
45
38
39
43
44
43
40
34
34
36
39
32
23
17
17
25
36
36
43
46

Medium Clouds (% Sky Obscured)

70
78
72
51
31
13
14
17
20
11
2
0
7
14
19
17
18
21
16
9
2
1
1
1

High Clouds (% Sky Obscured)

3
2
0
0
0
0
0
0
0
0
0
0
1
5
4
2
1
1
11
22
33
51
60
67

ISS Passover

Visibility (miles)

7
8
8
8
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

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

Precipitation Probability (%)

86
74
55
42
34
31
27
26
30
34
41
45
31
18
3
7
8
4
8
8
2
9
11
6

Precipitation Amount (mm)

0.5
0.4
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)

21
20
18
17
17
17
17
16
15
13
11
9
8
7
8
8
9
10
11
11
11
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
4
3
2
2
3
2
7
7
7
7
8
7
6
7
8
8
8
8
8
8
7
8
7

Dew Point (°C)

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

Relative Humidity (%)

90
87
84
81
81
81
81
81
80
80
82
87
91
93
93
95
93
91
90
91
91
91
91
91

Pressure (mb)

1002
1004
1005
1007
1008
1009
1010
1011
1011
1012
1012
1013
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013

Ozone (du)

295
300
305
310
318
327
335
328
322
315
314
313
312
311
311
310
309
309
309
308
307
307
307
307

Thursday 11

Third Quarter 56%

00:13

12:30

Sun - Rise: 08:11, Set: 16:16, Transit: 12:13. Moon - Rise: 00:13, 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)

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

Generated: 05/12/25 06:14:13. Forecast: 05/12/25 to 11/12/25. Timezone: UTC+0.00