Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 37%

13:27

21:50

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: 06:06, Set: 20:36, Transit: 13:20. Moon - Rise: 13:27, Set: 21:50. Civil Dark: 21:14 - 05:29. Nautical Dark: 22:01 - 04:42. Astro Dark: 22:59 - 03:45

Total Clouds (% Sky Obscured)

87
88
85
91
70
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
100
89

Low Clouds (% Sky Obscured)

44
28
42
56
70
95
98
94
90
77
61
50
54
48
39
47
49
47
50
47
40
42
57
48

Medium Clouds (% Sky Obscured)

26
28
36
75
53
62
89
77
54
75
39
33
26
52
49
23
29
25
22
55
65
71
80
83

High Clouds (% Sky Obscured)

59
50
65
86
3
99
100
100
100
100
100
100
100
100
98
99
99
100
100
100
100
91
98
42

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
0
1
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
8
14
37
41
39
19
9
8
20
6
5
6
5
16
3
4
2
4
2
5
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
57
65
78
85
96
92
95
98
98
93
93
95
96
85
77
67
65
59
53
51
50
52
52

Pressure (mb)

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

Ozone (du)

298
298
297
296
296
297
297
299
299
301
301
301
302
303
303
302
301
300
298
296
295
296
297
296

Tuesday 18

Waxing Crescent 34%

14:43

22:06

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: 06:08, Set: 20:34, Transit: 13:20. Moon - Rise: 14:43, Set: 22:06. Civil Dark: 21:11 - 05:31. Nautical Dark: 21:59 - 04:44. Astro Dark: 22:55 - 03:48

Total Clouds (% Sky Obscured)

97
99
100
99
100
100
100
100
100
100
70
62
60
53
57
58
72
76
45
49
57
73
94
93

Low Clouds (% Sky Obscured)

50
62
66
82
75
70
73
61
49
48
50
51
59
53
55
58
63
62
45
49
57
54
62
62

Medium Clouds (% Sky Obscured)

92
97
99
97
100
100
100
88
52
38
45
28
13
0
14
5
14
24
0
0
0
22
34
33

High Clouds (% Sky Obscured)

68
90
91
51
58
60
100
100
100
99
4
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
7
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
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

2
7
15
46
51
68
61
46
35
15
14
11
13
12
21
41
41
27
11
6
16
38
46
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
10
8
6
6
5
4
4
3
3
2
3
3
4
9
11
11
13
14
14
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
11
12
14
14
14
14
13
14
13
13
13
12
13
13
11
10
5
4
5
7
10
11

Relative Humidity (%)

53
58
66
73
86
90
92
93
93
96
96
96
98
96
92
83
72
64
45
39
40
46
57
64

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006

Ozone (du)

296
298
298
298
298
300
303
310
313
314
315
320
324
324
326
330
331
330
336
341
337
341
346
347

Wednesday 19

Waxing Crescent 47%

15:56

22:27

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: 06:10, Set: 20:32, Transit: 13:20. Moon - Rise: 15:56, Set: 22:27. Civil Dark: 21:09 - 05:33. Nautical Dark: 21:56 - 04:46. Astro Dark: 22:52 - 03:51

Total Clouds (% Sky Obscured)

78
57
76
87
87
83
69
85
75
73
82
88
82
68
82
92
91
78
84
78
74
63
58
53

Low Clouds (% Sky Obscured)

63
44
49
70
67
62
60
51
53
58
72
80
81
68
72
86
85
78
78
74
73
60
55
51

Medium Clouds (% Sky Obscured)

22
52
76
68
75
57
2
40
29
15
13
29
2
0
26
16
23
0
12
8
4
0
0
0

High 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

ISS Passover

Visibility (miles)

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

26
28
31
36
35
48
26
18
17
22
40
38
47
26
35
40
48
40
38
45
36
17
31
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
11
8
6
6
5
4
3
3
3
3
5
4
4
7
9
11
12
14
15
15
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
65
68
75
86
92
93
95
95
96
96
95
90
90
89
83
80
77
77
69
71
67
60
63

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007
1007
1007
1008
1008
1008

Ozone (du)

349
347
349
349
348
347
348
349
348
348
347
348
350
351
352
352
352
351
351
351
350
348
347
345

Thursday 20

First Quarter 56%

17:02

22:55

18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 Good
01 OK
02 OK
03 OK
04 OK
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: 06:11, Set: 20:30, Transit: 13:19. Moon - Rise: 17:02, Set: 22:55. Civil Dark: 21:07 - 05:35. Nautical Dark: 21:54 - 04:48. Astro Dark: 22:48 - 03:54

Total Clouds (% Sky Obscured)

48
43
33
26
18
11
4
13
24
34
39
49
60
63
57
65
68
70
75
65
57
55
46
37

Low Clouds (% Sky Obscured)

48
43
31
22
15
11
4
13
20
24
30
41
53
57
31
30
35
41
47
35
34
37
34
31

Medium Clouds (% Sky Obscured)

0
0
2
3
0
1
0
0
0
0
0
0
4
4
4
4
8
13
20
19
20
16
12
7

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
4
6
8
11
15
19
23
16
10
2
2
1
2
1
0

ISS Passover

Visibility (miles)

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

13
20
8
1
2
1
1
3
4
2
6
9
8
17
22
28
35
37
23
15
18
20
24
21

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)

17
17
12
9
7
6
5
4
4
3
3
3
3
3
3
5
7
8
9
10
11
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
13
13
13
13
12
11
10
8
8
8
7
8
10
14
15
16
16
16
15
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

62
64
71
86
89
89
90
91
88
88
85
87
85
82
77
69
57
54
50
48
46
48
51
52

Pressure (mb)

1008
1009
1009
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

344
344
343
343
343
343
342
342
342
343
344
345
345
346
346
346
345
345
346
347
347
347
346
346

Friday 21

Waxing Gibbous 66%

17:57

23:33

18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
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 Bad

Sun - Rise: 06:13, Set: 20:28, Transit: 13:19. Moon - Rise: 17:57, Set: 23:33. Civil Dark: 21:04 - 05:36. Nautical Dark: 21:51 - 04:50. Astro Dark: 22:45 - 03:57

Total Clouds (% Sky Obscured)

26
22
21
20
21
23
30
26
54
58
60
62
64
86
75
63
66
75
85
81
78
73
68
63

Low Clouds (% Sky Obscured)

26
15
8
1
2
3
9
10
12
26
23
20
19
21
32
39
41
43
50
49
48
47
40
33

Medium Clouds (% Sky Obscured)

0
2
5
7
8
8
10
9
8
8
8
8
8
3
3
3
9
17
21
19
16
13
10
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
54
55
55
60
60
71
51
40
32
28
23
23
22
22
26
29

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 (%)

16
15
12
7
11
10
5
11
9
2
3
4
0
2
2
1
6
6
2
17
13
3
9
5

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
9
6
5
4
4
4
4
4
4
3
3
4
6
7
8
8
7
7
7
9
11
12

Chance of Frost

Temperature (°C)

17
16
14
13
12
11
11
10
9
9
8
8
8
8
11
13
14
15
16
18
18
19
20
19

Feels Like (°C)

15
14
14
13
12
12
11
10
10
7
7
7
6
6
8
9
10
10
10
11
17
17
16
17

Dew Point (°C)

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

Relative Humidity (%)

57
62
79
93
93
93
91
93
91
90
90
88
87
85
77
71
66
60
58
53
48
43
38
45

Pressure (mb)

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

Ozone (du)

346
346
345
345
345
345
345
342
341
339
340
340
340
340
340
340
339
340
341
342
342
343
343
343

Saturday 22

Waxing Gibbous 75%

17:57

00:25

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

Sun - Rise: 06:15, Set: 20:25, Transit: 13:19. Moon - Rise: 17:57, Set: 00:25. Civil Dark: 21:02 - 05:38. Nautical Dark: 21:48 - 04:52. Astro Dark: 22:42 - 04:00

Total Clouds (% Sky Obscured)

56
52
43
33
14
12
5
8
17
20
17
18
19
21
22
22
34
44
54
51
49
48
32
17

Low Clouds (% Sky Obscured)

26
20
14
10
7
4
1
4
7
10
7
3
0
6
12
17
25
33
39
38
35
32
22
11

Medium Clouds (% Sky Obscured)

3
2
1
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)

33
37
43
33
14
12
5
8
17
20
17
18
19
21
22
19
23
22
15
16
17
22
24
14

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 (%)

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

12
13
11
9
7
6
6
5
5
5
5
5
4
4
6
8
9
10
11
12
14
15
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
19
13
12
12
11
11
10
8
8
8
8
7
7
7
8
9
10
10
11
16
15
14
14

Dew Point (°C)

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

Relative Humidity (%)

52
62
67
74
80
84
86
88
88
90
91
90
87
85
72
61
51
46
41
38
40
42
45
48

Pressure (mb)

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

Ozone (du)

342
342
341
340
339
339
339
340
340
340
340
339
339
338
338
338
338
338
338
338
338
338
338
338

Sunday 23

Waxing Gibbous 83%

18:38

01:28

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

Sun - Rise: 06:16, Set: 20:23, Transit: 13:19. Moon - Rise: 18:38, Set: 01:28. Civil Dark: 21:00 - 05:40. Nautical Dark: 21:46 - 04:54. Astro Dark: 22:38 - 04:02

Total Clouds (% Sky Obscured)

1
1
2
3
2
1
0
13
25
37
41
50
63
64
65
65
71
74
76

Low Clouds (% Sky Obscured)

0
1
2
3
2
1
0
13
25
37
37
38
39
37
40
38
37
33
31

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
10
11
12
13

High Clouds (% Sky Obscured)

1
1
0
0
0
1
0
3
6
7
19
28
40
45
45
55
52
53
49

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
15
12
9
6
6
5
5
4
4
4
4
4
4
4
6
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
56
64
75
86
83
80
76
80
82
85
84
82
81
64
52
42
39
36

Pressure (mb)

1018
1018
1018
1018
1018
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

338
338
337
337
337
336
334
333
332
332
331
330
329
329
329
329
329
328
327

Forecast for Gwyddgrug, Carmarthenshire, United Kingdom (52.00,-4.23)

Generated: 17/08/26 18:48:55. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+1.00