Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

Waxing Crescent 10%

09:33

21:29

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

Sun - Rise: 06:10, Set: 20:38, Transit: 13:23. Moon - Rise: 09:33, Set: 21:29. Civil Dark: 21:14 - 05:34. Nautical Dark: 22:00 - 04:48. Astro Dark: 22:54 - 03:55

Total Clouds (% Sky Obscured)

18
18
20
2
9
7
10
7
18
2
4
40
100
17
29
52
42
100
100
100
100
100
65
66

Low Clouds (% Sky Obscured)

18
18
13
2
9
6
10
0
0
0
4
0
0
0
20
28
28
25
25
24
9
23
33
41

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
100
72
99
20
25

High Clouds (% Sky Obscured)

0
0
0
0
0
3
3
7
18
2
2
34
100
17
22
52
42
100
100
100
98
92
23
1

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
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
16
18
18
18
19
18
17
17
17
17
15
14
14
13
13
12
13
13
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

83
73
64
57
55
53
51
51
52
56
58
60
65
72
78
77
73
77
75
73
72
78
85
89

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1019
1019
1019
1019
1019
1019

Ozone (du)

326
325
320
316
317
318
319
319
320
320
320
320
319
317
315
314
314
312
311
310
311
311
309
309

Sunday 16

Waxing Crescent 18%

10:51

21:42

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 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:11, Set: 20:36, Transit: 13:23. Moon - Rise: 10:51, Set: 21:42. Civil Dark: 21:12 - 05:35. Nautical Dark: 21:57 - 04:50. Astro Dark: 22:50 - 03:57

Total Clouds (% Sky Obscured)

63
70
57
96
100
100
48
100
100
100
72
84
37
27
50
79
100
99
100
99
99
91
83
83

Low Clouds (% Sky Obscured)

31
30
0
0
0
0
0
0
0
5
13
36
26
0
11
0
0
10
36
34
62
59
40
55

Medium Clouds (% Sky Obscured)

11
14
8
25
21
16
12
4
3
2
3
11
11
13
20
18
4
21
14
15
17
29
27
10

High Clouds (% Sky Obscured)

20
28
57
84
100
100
48
100
100
100
68
68
4
7
26
68
100
94
100
98
96
61
53
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
23
19
18

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)

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

Chance of Frost

Temperature (°C)

15
17
19
20
21
21
22
22
22
21
20
20
19
18
17
16
16
16
17
18
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
68
53
49
45
44
41
39
40
45
50
58
64
76
92
92
93
93
96
95
95
96
95
92

Pressure (mb)

1019
1019
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1020
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019

Ozone (du)

309
308
307
307
308
310
310
309
309
310
309
309
309
309
307
307
307
306
305
304
302
301
299
298

Monday 17

Waxing Crescent 27%

12:07

21:57

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

Sun - Rise: 06:13, Set: 20:34, Transit: 13:22. Moon - Rise: 12:07, Set: 21:57. Civil Dark: 21:10 - 05:37. Nautical Dark: 21:55 - 04:52. Astro Dark: 22:47 - 04:00

Total Clouds (% Sky Obscured)

92
66
78
55
42
53
61
43
60
62
49
59
51
34
46
56
79
86
78
77
76
72
67
65

Low Clouds (% Sky Obscured)

50
62
71
55
42
53
36
37
60
62
49
59
51
34
46
56
79
75
69
62
56
59
62
65

Medium Clouds (% Sky Obscured)

2
9
14
3
3
6
33
19
17
18
2
3
2
3
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

79
22
30
13
7
10
2
2
2
1
0
0
0
2
0
3
11
65
42
32
30
26
19
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 (%)

5
6
4
3
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

5
7
9
10
11
12
12
13
13
13
12
11
11
10
8
7
7
7
8
9
9
9
9
9

Chance of Frost

Temperature (°C)

18
19
20
21
22
22
22
22
22
21
21
20
19
18
17
17
17
17
18
18
18
18
18
18

Feels Like (°C)

19
20
20
21
21
21
22
21
21
21
21
20
19
19
18
19
19
17
17
19
18
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

90
85
78
67
63
61
61
58
59
61
64
67
72
83
95
96
96
96
96
96
96
98
98
98

Pressure (mb)

1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1020
1020
1019
1019
1019
1018
1018
1017
1017
1017

Ozone (du)

298
298
298
298
298
298
299
299
300
302
305
303
302
304
304
299
298
297
295
294
293
293
291
290

Tuesday 18

Waxing Crescent 37%

13:22

22:15

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
06 Bad

Sun - Rise: 06:14, Set: 20:32, Transit: 13:22. Moon - Rise: 13:22, Set: 22:15. Civil Dark: 21:07 - 05:39. Nautical Dark: 21:52 - 04:54. Astro Dark: 22:44 - 04:03

Total Clouds (% Sky Obscured)

77
87
98
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
86

Low Clouds (% Sky Obscured)

72
79
85
90
95
99
99
100
100
90
81
71
64
60
52
45
44
51
56
59
64
53
53
27

Medium Clouds (% Sky Obscured)

4
8
15
24
32
40
45
41
33
34
36
33
33
34
36
44
45
45
48
51
38
100
73
25

High Clouds (% Sky Obscured)

34
46
57
39
20
2
38
46
72
72
76
76
82
78
78
87
86
90
87
84
77
80
96
76

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
8
9
9
8
9
9
9
9
9
9
9
9
7
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

3
6
2
10
26
35
49
47
38
42
35
17
15
24
12
16
25
26
55
84
81
40
26
11

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
19
20
20
20
20
20
20
19
19
19
19
19
19
18
19
19
18
17
16
14
14
12
13

Dew Point (°C)

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

Relative Humidity (%)

98
96
93
92
89
91
92
93
93
95
95
96
95
95
95
96
96
95
93
95
95
98
92
90

Pressure (mb)

1017
1017
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

290
291
290
289
289
289
290
291
291
290
291
292
293
295
297
298
298
299
298
298
300
301
307
315

Wednesday 19

Waxing Crescent 47%

14:36

22:38

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 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:16, Set: 20:30, Transit: 13:22. Moon - Rise: 14:36, Set: 22:38. Civil Dark: 21:05 - 05:40. Nautical Dark: 21:50 - 04:56. Astro Dark: 22:41 - 04:05

Total Clouds (% Sky Obscured)

92
90
91
87
79
69
60
51
41
40
39
42
54
33
11
14
23
31
36
40
44
44
46
47

Low Clouds (% Sky Obscured)

37
41
46
52
57
58
49
45
40
40
39
38
3
1
0
10
21
31
36
40
44
44
46
47

Medium Clouds (% Sky Obscured)

20
9
1
4
7
10
7
3
2
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

65
65
60
40
21
2
2
2
1
0
0
0
54
32
1
1
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
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 (%)

12
12
19
12
15
27
24
14
23
10
8
4
12
15
17
17
16
11
25
29
29
26
21
14

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
14
14
13
13
12
12
11
10
12
9
10
11
10
11
11
11
12
12
12
12
11
11
10

Relative Humidity (%)

92
86
82
74
71
68
61
56
55
62
53
59
64
66
69
73
76
80
83
83
83
83
79
75

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015

Ozone (du)

315
315
316
317
318
319
320
321
322
323
324
325
325
327
329
330
331
332
333
334
336
337
336
335

Thursday 20

First Quarter 56%

15:47

23:08

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 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:17, Set: 20:28, Transit: 13:22. Moon - Rise: 15:47, Set: 23:08. Civil Dark: 21:03 - 05:42. Nautical Dark: 21:48 - 04:58. Astro Dark: 22:38 - 04:08

Total Clouds (% Sky Obscured)

57
66
74
63
53
42
49
56
63
67
70
73
82
91
100
68
38
12
25
39
51
48
45
43

Low Clouds (% Sky Obscured)

57
66
74
53
33
12
29
46
63
57
51
45
33
20
8
5
3
0
16
31
47
47
45
43

Medium Clouds (% Sky Obscured)

0
0
0
6
13
19
17
12
7
28
50
73
68
55
42
26
13
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
5
7
7
7
8
15
17
19
17
18
15
21
22
24
25
26
12
25
22
19
14
8
2

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 (%)

12
10
6
14
18
20
26
31
34
35
33
29
34
30
17
21
21
16
20
19
7
14
14
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)

14
15
16
17
18
18
18
18
18
18
18
18
20
18
17
16
15
13
13
12
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
67
64
61
62
63
64
63
63
62
65
69
74
78
82
86
89
89
92
92
90
90
90
92

Pressure (mb)

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

Ozone (du)

334
333
332
331
329
327
326
325
324
323
323
323
323
323
324
324
325
326
327
327
328
328
329
331

Friday 21

Waxing Gibbous 66%

16:52

23:48

07 Bad
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:19, Set: 20:26, Transit: 13:21. Moon - Rise: 16:52, Set: 23:48. Civil Dark: 21:01 - 05:44. Nautical Dark: 21:45 - 05:00. Astro Dark: 22:35 - 04:10

Total Clouds (% Sky Obscured)

39
34
29
30
32
33
28
23
22
26
36
42
47
48
53
53
53
62

Low Clouds (% Sky Obscured)

39
34
29
30
32
33
28
21
15
12
7
3
4
6
7
5
2
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2

High Clouds (% Sky Obscured)

1
1
0
0
0
0
6
13
15
25
27
35
35
35
40
45
45
45

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 (%)

8
10
8
8
7
2
4
5
3
5
4
1
2
1
0
1
1
0

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)

11
12
13
15
15
15
15
15
15
15
14
13
13
11
10
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
82
73
66
58
51
46
46
47
48
53
59
66
70
76
83
83
84

Pressure (mb)

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

Ozone (du)

333
333
333
333
332
332
331
330
330
330
330
330
330
330
330
331
332
333

Forecast for Saint Blazey, Cornwall, United Kingdom (50.36,-4.74)

Generated: 15/08/26 07:20:51. Forecast: 15/08/26 to 21/08/26. Timezone: UTC+1.00