Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 1%

08:22

15:07

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
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
17 OK

Sun - Rise: 08:17, Set: 16:13, Transit: 12:15. Moon - Rise: 08:22, Set: 15:07. Civil Dark: 16:53 - 07:37. Nautical Dark: 17:35 - 06:55. Astro Dark: 18:15 - 06:15

Total Clouds (% Sky Obscured)

100
100
100
92
100
42
30
18
46
53
39
47
43
38
49
60
54
50
44
37
40
53
62
44

Low Clouds (% Sky Obscured)

80
65
46
55
38
33
30
18
46
53
39
47
43
38
49
60
54
50
44
37
40
53
62
44

Medium Clouds (% Sky Obscured)

100
55
24
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
91
92
100
42
30
18
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
9
9
9
9
5
9
9
9
9
8
9
8
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 (%)

28
0
0
22
12
3
5
13
7
20
23
22
21
26
31
29
25
31
29
22
21
6
4
4

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
17
14
16
17
15
15
15
15
15
16
16
15
15
14
14
13
14
16
15
15
13
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
3
3
2
2
2
3
3
3
3
4
4
4
5
6
5
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
81
77
77
73
74
77
79
81
82
82
82
82
81
81
80
78
80
80
82
84
87

Pressure (mb)

999
1001
1002
1004
1005
1007
1008
1009
1010
1010
1011
1012
1012
1013
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

351
369
373
374
375
374
376
374
370
379
390
386
378
377
373
368
356
349
334
320
303
295
291
290

Friday 19

Waning Crescent 0%

09:16

16:02

18 OK
19 OK
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
17 Bad

Sun - Rise: 08:17, Set: 16:14, Transit: 12:16. Moon - Rise: 09:16, Set: 16:02. Civil Dark: 16:53 - 07:38. Nautical Dark: 17:36 - 06:56. Astro Dark: 18:15 - 06:15

Total Clouds (% Sky Obscured)

22
21
35
40
47
53
64
50
56
62
58
57
55
70
66
71
64
65
50
66
75
83
91
97

Low Clouds (% Sky Obscured)

22
21
35
40
47
53
61
50
56
61
53
52
50
67
62
68
58
59
43
41
43
27
22
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
50
40
33
30
22
25
56
67
85
96

High Clouds (% Sky Obscured)

2
0
0
2
3
4
39
31
19
35
58
45
40
40
40
40
50
45
45
65
59
72
68
51

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
3
4
4
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
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
Very Light Rain
Light Rain

Precipitation Probability (%)

5
6
8
6
7
5
3
6
11
9
8
8
7
6
5
5
12
55
79
95
95
88
74
91

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
1
0.6
0.3
0.5

Wind Speed/Direction (mph)

8
8
8
9
9
9
11
11
12
13
14
16
16
17
17
18
20
21
21
21
20
19
16
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
4
4
5
5
4
3
4
4
3
1
1
1
1
1
1
2
2
3
3
3
4
5

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
88
88
88
87
85
85
84
82
81
78
75
78
74
74
76
82
88
91
91
90
87

Pressure (mb)

1017
1017
1017
1017
1016
1015
1014
1014
1013
1012
1011
1010
1010
1009
1008
1008
1007
1007
1006
1005
1004
1003
1003
1003

Ozone (du)

289
287
287
289
288
281
284
286
287
289
293
297
301
303
307
314
319
315
308
308
310
313
320
329

Saturday 20

New Moon 2%

09:57

17:08

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
17 Bad

Sun - Rise: 08:18, Set: 16:14, Transit: 12:16. Moon - Rise: 09:57, Set: 17:08. Civil Dark: 16:54 - 07:38. Nautical Dark: 17:36 - 06:56. Astro Dark: 18:16 - 06:16

Total Clouds (% Sky Obscured)

99
100
99
100
100
100
100
97
100
100
100
100
98
99
99
95
97
100
99
97
76
68
86
84

Low Clouds (% Sky Obscured)

28
37
38
40
90
95
60
79
62
60
75
68
77
78
86
78
63
71
61
51
41
44
49
55

Medium Clouds (% Sky Obscured)

99
100
98
86
100
100
96
44
100
100
100
93
87
93
87
66
67
69
77
85
54
40
63
19

High Clouds (% Sky Obscured)

73
75
70
100
100
100
100
69
100
95
100
100
69
47
81
57
87
100
89
73
14
12
8
6

ISS Passover

Visibility (miles)

3
3
9
9
9
9
9
9
9
9
9
9
9
9
4
2
2
8
5
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
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
87
40
28
27
11
5
6
9
17
32
28
19
71
95
95
95
54
35
12
17
30
34
18

Precipitation Amount (mm)

0.7
0.5
0
0
0
0
0
0
0
0
0
0
0
0.3
1.5
2.4
0.9
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
12
12
10
9
8
7
6
6
6
7
7
7
7
7
7
8
12
12
13
14
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
94
91
90
90
87
88
85
85
86
88
90
91
94
96
96
98
95
78
77
75
79
82

Pressure (mb)

1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1000
1000
1000
1000

Ozone (du)

342
360
359
333
333
342
352
368
386
402
410
414
414
413
415
419
423
428
433
437
443
443
441
443

Sunday 21

Waxing Crescent 6%

10:27

No Set

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
17 Bad

Sun - Rise: 08:18, Set: 16:15, Transit: 12:17. Moon - Rise: 10:27, Set: No Set. Civil Dark: 16:54 - 07:39. Nautical Dark: 17:37 - 06:56. Astro Dark: 18:16 - 06:16

Total Clouds (% Sky Obscured)

90
96
42
43
90
100
100
100
69
50
92
91
71
50
82
100
79
99
98
96
95
93
93
91

Low Clouds (% Sky Obscured)

62
70
42
43
72
76
73
66
56
49
60
58
62
50
82
90
79
75
71
63
54
51
49
46

Medium Clouds (% Sky Obscured)

29
37
42
43
70
57
62
99
57
42
30
23
18
16
15
35
40
84
75
67
55
59
62
66

High Clouds (% Sky Obscured)

26
42
42
43
30
11
34
54
69
50
45
35
20
15
15
25
32
41
38
40
71
59
49
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
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
None
None
None
None
None
None

Precipitation Probability (%)

30
35
21
28
29
25
27
28
22
25
29
11
9
9
8
13
13
11
13
20
23
27
23
22

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
16
19
20
16
16
14
14
15
15
15
15
14
13
12
10
10
9
9
9
9
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
-0
1
3
1
2
2
2
3
4
2
3
3
4
4
4
6
7
6
6
6
5
4

Dew Point (°C)

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

Relative Humidity (%)

84
81
82
84
87
85
87
79
81
81
81
82
82
84
82
87
85
82
78
77
77
81
85
87

Pressure (mb)

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

Ozone (du)

449
451
449
446
443
442
441
442
443
445
445
445
446
444
441
438
437
439
440
438
434
427
422
417

Monday 22

Waxing Crescent 12%

10:50

18:22

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
17 Bad

Sun - Rise: 08:19, Set: 16:16, Transit: 12:17. Moon - Rise: 10:50, Set: 18:22. Civil Dark: 16:55 - 07:39. Nautical Dark: 17:37 - 06:57. Astro Dark: 18:17 - 06:17

Total Clouds (% Sky Obscured)

94
96
100
95
90
86
91
94
98
95
92
90
94
96
99
99
98
98
97
99
100
99
99
99

Low Clouds (% Sky Obscured)

41
39
33
39
48
51
58
74
79
75
67
62
39
26
25
27
26
28
33
39
49
52
50
47

Medium Clouds (% Sky Obscured)

58
49
45
45
45
45
44
53
61
64
72
73
87
84
75
72
65
58
47
49
55
66
72
78

High Clouds (% Sky Obscured)

61
82
100
72
41
16
16
11
11
12
18
34
69
76
85
75
66
61
74
87
100
78
53
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
8
4
2
1
1
0
1
3
3
3
0
2
1
0
1
2
1
3
4
1
3
3
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)

8
8
8
9
10
11
11
12
13
15
15
15
16
15
14
14
15
17
19
18
18
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
3
2
2
2
1
1
1
1
1
1
0
0
0
1
1
0
1
1
0
1
1

Dew Point (°C)

5
5
5
4
4
4
3
3
4
4
4
4
4
3
3
3
3
3
4
4
4
4
4
4

Relative Humidity (%)

88
87
85
82
81
81
79
81
84
84
84
85
85
82
82
79
79
77
75
78
78
79
84
85

Pressure (mb)

1009
1009
1009
1010
1010
1010
1009
1009
1010
1010
1010
1010
1011
1010
1011
1012
1012
1012
1012
1013
1013
1013
1014
1015

Ozone (du)

412
407
402
400
398
394
390
387
385
383
382
381
378
378
377
377
379
381
383
384
385
387
387
387

Tuesday 23

Waxing Crescent 19%

11:07

19:39

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
17 Bad

Sun - Rise: 08:19, Set: 16:16, Transit: 12:18. Moon - Rise: 11:07, Set: 19:39. Civil Dark: 16:55 - 07:40. Nautical Dark: 17:38 - 06:57. Astro Dark: 18:17 - 06:17

Total Clouds (% Sky Obscured)

99
99
99
98
95
79
76
80
80
78
76
78
85
87
87
87
88
89
84
79
68
70
68
66

Low Clouds (% Sky Obscured)

47
34
34
34
37
42
47
60
51
66
67
66
69
70
69
71
79
84
84
79
68
70
68
66

Medium Clouds (% Sky Obscured)

80
75
71
55
43
30
30
20
20
25
35
44
56
59
49
30
17
5
17
27
38
30
22
14

High Clouds (% Sky Obscured)

20
15
5
0
0
0
0
0
0
0
0
9
20
25
38
28
19
7
4
3
1
2
4
5

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 (%)

5
4
2
4
4
3
4
3
1
3
2
1
5
6
4
9
11
11
14
16
19
17
15
7

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
19
19
19
19
20
19
19
19
19
19
19
18
18
18
18
19
19
20
20
20
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
-1
-1
-2
-2
-2
-2
-2
-1
-1
-1
-2
-2
0
0
0
1
1
1
1
1
1
0
0

Dew Point (°C)

4
4
3
3
3
3
3
3
3
3
4
4
4
5
5
5
5
4
4
4
4
3
3
2

Relative Humidity (%)

88
88
88
88
88
86
85
88
89
89
90
90
88
88
88
90
87
84
81
81
82
82
80
79

Pressure (mb)

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

Ozone (du)

387
389
390
391
390
389
387
386
384
382
381
381
381
379
378
377
379
382
385
384
383
382
381
380

Wednesday 24

Waxing Crescent 28%

11:21

20:56

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

Sun - Rise: 08:19, Set: 16:17, Transit: 12:18. Moon - Rise: 11:21, Set: 20:56. Civil Dark: 16:56 - 07:40. Nautical Dark: 17:39 - 06:58. Astro Dark: 18:18 - 06:17

Total Clouds (% Sky Obscured)

60
54
49
53
59
64
62
49
48
31
20
17
19
20
25
31
33
57

Low Clouds (% Sky Obscured)

55
51
47
48
49
49
54
46
48
31
20
17
19
20
25
31
33
45

Medium Clouds (% Sky Obscured)

9
5
0
10
20
38
36
30
24
31
20
17
19
19
0
12
23
37

High Clouds (% Sky Obscured)

3
2
0
0
0
0
0
0
0
0
0
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
9
9

Fog (%)

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

Precipitation Probability (%)

9
8
3
10
12
10
22
27
30
27
23
15
16
15
12
15
14
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
4
3
3
3
2
2
2
2
2
2
2
2
2
2
2
3
3

Feels Like (°C)

0
-2
-3
-3
-3
-4
-4
-5
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4

Dew Point (°C)

1
0
-1
-1
-1
-1
-2
-2
-1
-1
-1
-1
-2
-1
-2
-2
-2
-1

Relative Humidity (%)

76
77
76
76
76
77
77
77
79
79
79
77
77
79
77
77
74
73

Pressure (mb)

1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1020
1020
1019
1020
1020
1020
1020
1020

Ozone (du)

379
375
371
367
366
364
362
360
358
355
354
352
351
348
346
344
343
343

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

Generated: 18/12/25 18:29:33. Forecast: 18/12/25 to 24/12/25. Timezone: UTC+0.00