Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 77%

20:13

11:39

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
07 Bad
08 Bad

Sun - Rise: 08:09, Set: 16:12, Transit: 12:10. Moon - Rise: 20:13, Set: 11:39. Civil Dark: 16:51 - 07:30. Nautical Dark: 17:33 - 06:47. Astro Dark: 18:13 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
81
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
60
45
49
48
75
69
61
56
78
77
100
97
90
86
87
89
84
84
87
85
99
97
100

Medium Clouds (% Sky Obscured)

88
84
66
57
59
48
54
75
100
100
89
87
100
100
100
100
100
100
100
100
100
100
92
66

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
81
100
100
100
100
100
100
100
100
100
100
100
84
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
4
2
3
7
3
4
3
4
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain

Precipitation Probability (%)

39
22
16
6
19
12
7
4
2
5
37
77
89
95
95
95
95
95
95
95
95
92
50
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.8
1.8
1.8
2.1
2.6
1.5
1.9
1
0.7
0
0.3

Wind Speed/Direction (mph)

16
15
15
15
15
14
15
14
12
12
12
13
16
20
24
25
27
30
32
31
30
32
32
33

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1006
1007
1007
1007
1007
1006
1007
1007
1007
1006
1006
1006
1005
1004
1003
1003
1002
1001
1000
999
998
997
997
996

Ozone (du)

343
342
339
338
340
339
339
340
338
333
326
318
310
302
301
300
297
291
289
285
289
291
292
291

Tuesday 9

Waning Gibbous 67%

21:37

12:00

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
07 Bad
08 Bad

Sun - Rise: 08:10, Set: 16:12, Transit: 12:10. Moon - Rise: 21:37, Set: 12:00. Civil Dark: 16:51 - 07:31. Nautical Dark: 17:33 - 06:48. Astro Dark: 18:13 - 06:08

Total Clouds (% Sky Obscured)

100
100
99
100
98
100
100
52
100
99
100
100
100
92
51
35
33
44
54
59
54
63
50
56

Low Clouds (% Sky Obscured)

100
100
83
81
64
70
43
43
54
46
49
56
64
58
51
35
33
44
54
59
54
63
50
56

Medium Clouds (% Sky Obscured)

74
100
98
100
96
100
61
34
40
45
7
0
0
0
0
0
0
0
1
2
1
1
1
2

High Clouds (% Sky Obscured)

95
32
15
27
30
100
100
52
100
98
100
100
100
42
4
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
6
2
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

79
75
58
61
40
18
5
1
2
0
1
2
2
1
6
6
7
7
6
9
12
18
38
23

Precipitation Amount (mm)

0.6
0.5
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

31
32
32
29
26
22
22
19
16
15
14
14
14
13
13
13
13
13
12
12
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
7
7
8
7
7
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

89
92
92
92
92
87
86
88
87
88
87
87
90
90
90
91
91
91
91
91
91
91
93
91

Pressure (mb)

996
996
996
996
997
999
1000
1002
1003
1004
1005
1006
1007
1007
1008
1008
1009
1009
1010
1010
1010
1011
1012
1013

Ozone (du)

290
291
290
287
285
285
286
288
290
291
291
291
291
292
295
295
296
299
302
302
301
303
303
302

Wednesday 10

Waning Gibbous 57%

22:56

12:16

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

Sun - Rise: 08:11, Set: 16:12, Transit: 12:11. Moon - Rise: 22:56, Set: 12:16. Civil Dark: 16:51 - 07:31. Nautical Dark: 17:33 - 06:49. Astro Dark: 18:13 - 06:09

Total Clouds (% Sky Obscured)

45
37
39
41
32
39
46
45
38
49
43
36
58
51
16
66
22
30
23
31
38
44
56
72

Low Clouds (% Sky Obscured)

45
37
39
41
32
39
46
45
38
49
43
36
25
9
14
25
22
30
23
31
38
44
56
71

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)

0
0
0
0
0
0
0
0
0
2
0
2
33
35
3
50
2
2
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
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
14
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2

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
15
15
15
14
13
10
10
8
6
6
6
6
6
7
7
7
9
10
11
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
87
86
86
86
85
90
90
91
91
93
91
91
91
91
93
91
91
90
91
93
95
93

Pressure (mb)

1014
1015
1016
1016
1017
1017
1018
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1019
1019
1018
1018
1017
1017

Ozone (du)

306
309
315
314
310
306
308
308
306
306
304
304
305
306
304
304
305
303
306
308
307
310
314
317

Thursday 11

Third Quarter 46%

00:11

12:29

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
07 Bad
08 Bad

Sun - Rise: 08:11, Set: 16:12, Transit: 12:11. Moon - Rise: 00:11, Set: 12:29. Civil Dark: 16:51 - 07:32. Nautical Dark: 17:33 - 06:50. Astro Dark: 18:13 - 06:10

Total Clouds (% Sky Obscured)

85
88
98
98
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
78
83
78
72
67
80
89
91
89
86
79
74
75
78
79
78
80
86
89
93
75
57
39

Medium Clouds (% Sky Obscured)

0
2
3
2
0
0
18
82
100
96
87
88
48
69
95
55
88
86
100
100
71
100
100
100

High Clouds (% Sky Obscured)

20
33
60
65
60
100
100
76
100
100
100
100
100
100
100
100
100
39
29
41
76
95
88
79

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

4
5
8
12
13
12
23
20
17
20
26
24
37
35
31
40
66
95
95
95
95
95
95
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.8
1
1.6
1.2
0.5
0

Wind Speed/Direction (mph)

14
16
17
18
18
18
17
17
18
18
18
18
18
18
17
17
18
19
20
19
18
19
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
5
6
5
6
6
6
6
6
6
6
7
7
6
6
6
6
5
5
7
6

Dew Point (°C)

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

Relative Humidity (%)

87
85
87
84
84
87
87
87
90
88
88
90
90
90
90
91
90
95
95
93
93
93
93
96

Pressure (mb)

1016
1015
1014
1014
1013
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1007
1006
1006
1005
1005
1004
1004
1005
1007

Ozone (du)

319
321
321
319
313
310
307
309
310
313
316
317
319
320
323
327
329
329
330
332
334
336
336
336

Friday 12

Waning Crescent 36%

01:23

12:40

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
07 Bad
08 Bad

Sun - Rise: 08:12, Set: 16:12, Transit: 12:12. Moon - Rise: 01:23, Set: 12:40. Civil Dark: 16:51 - 07:33. Nautical Dark: 17:33 - 06:51. Astro Dark: 18:13 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
98
95
93
87
82
79
76
69
39
79
88
96
89
83
78
77
72
67
57
48
38

Low Clouds (% Sky Obscured)

43
28
37
46
46
39
36
41
10
17
25
31
34
35
38
43
47
51
46
41
36
35
34
29

Medium Clouds (% Sky Obscured)

100
100
100
85
68
52
50
47
45
40
1
0
22
22
93
65
37
10
27
46
60
53
48
38

High Clouds (% Sky Obscured)

84
92
91
75
79
71
65
58
56
42
24
3
10
15
30
28
49
58
45
21
0
14
43
38

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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

16
6
3
1
1
0
2
6
6
17
25
19
22
31
20
59
64
21
37
34
33
33
29
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
88
85
81
77
78
82
87
87
85
84
87
88
87
84
84
84
85
85
88
90
91
88
88

Pressure (mb)

1008
1009
1009
1010
1010
1010
1011
1011
1012
1012
1012
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017

Ozone (du)

335
334
332
332
332
333
332
332
331
330
326
325
330
332
334
333
344
355
366
373
379
386
391
396

Saturday 13

Waning Crescent 27%

02:33

12:51

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
07 Bad
08 Bad

Sun - Rise: 08:13, Set: 16:12, Transit: 12:12. Moon - Rise: 02:33, Set: 12:51. Civil Dark: 16:51 - 07:34. Nautical Dark: 17:33 - 06:52. Astro Dark: 18:14 - 06:12

Total Clouds (% Sky Obscured)

40
41
42
39
32
37
53
71
90
98
98
98
98
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
41
42
39
32
37
53
64
67
66
69
71
77
82
84
76
67
59
66
72
79
84
90
96

Medium Clouds (% Sky Obscured)

40
41
42
39
32
37
31
26
26
50
75
96
84
73
62
47
32
20
20
14
8
19
28
38

High Clouds (% Sky Obscured)

40
22
0
23
32
37
53
47
30
37
38
35
52
73
94
94
97
99
99
98
98
99
100
100

ISS Passover

Visibility (miles)

9
9
9
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

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

Precipitation Probability (%)

27
35
41
55
52
44
32
21
8
12
10
4
9
11
9
11
10
3
3
5
3
9
20
38

Precipitation Amount (mm)

0
0
0
0.2
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
13
15
17
17
16
16
15
14
14
15
16
17
18
19
20
20
21
22
23
24
25
25
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
84
81
80
81
81
81
84
87
90
88
88
88
90
90
90
90
90
90
88
88
87
87
87

Pressure (mb)

1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1013
1013
1013

Ozone (du)

402
394
387
379
373
366
360
355
351
346
342
337
333
330
327
324
320
317
313
313
313
313
312
312

Sunday 14

Waning Crescent 19%

03:44

13:03

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 OK

Sun - Rise: 08:14, Set: 16:12, Transit: 12:13. Moon - Rise: 03:44, Set: 13:03. Civil Dark: 16:51 - 07:35. Nautical Dark: 17:34 - 06:52. Astro Dark: 18:14 - 06:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
89
79
71
60
41
21

Low Clouds (% Sky Obscured)

97
98
99
100
100
100
100
100
100
93
86
79
72
59
44
44
53
62
59
41
21

Medium Clouds (% Sky Obscured)

59
81
100
99
99
99
89
80
75
82
87
94
78
60
31
22
13
5
16
20
21

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
99
99
98
98
98
73
48
19
37
41
21

ISS Passover

Visibility (miles)

9
7
5
3
3
3
3
3
3
3
5
7
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

Precipitation Type

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

Precipitation Probability (%)

75
95
95
95
95
95
95
95
95
95
95
78
59
41
28
23
21
18
18
16
14

Precipitation Amount (mm)

0.4
0.7
1.4
1.2
1.1
1.2
1
0.9
0.7
0.7
0.7
0.4
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

26
26
26
26
25
25
24
22
20
18
15
12
11
12
13
14
13
13
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1012
1012
1012
1011
1011
1010
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011

Ozone (du)

311
310
309
309
306
304
301
303
306
308
310
311
312
313
314
315
319
323
327
330
333

Forecast for Bude, Cornwall, United Kingdom (50.83,-4.54)

Generated: 08/12/25 09:00:11. Forecast: 08/12/25 to 14/12/25. Timezone: UTC+0.00