Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Gibbous 59%

03:29

10:01

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

Sun - Rise: 06:28, Set: 20:02, Transit: 13:15. Moon - Rise: 03:29, Set: 10:01. Civil Dark: 20:37 - 05:53. Nautical Dark: 21:19 - 05:10. Astro Dark: 22:07 - 04:21

Total Clouds (% Sky Obscured)

5
2
13
33
77
79
100
100
100
100
100
100
100
100
100
100
100
88
70
36
33
21
32
46

Low Clouds (% Sky Obscured)

2
2
13
33
62
59
56
54
51
0
0
0
46
37
100
100
100
80
40
31
33
21
32
46

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
100
100
85
100
55
53
45
78
69
49
35
21
0
0
0
0
0

High Clouds (% Sky Obscured)

3
2
13
33
60
66
100
100
100
100
100
100
100
100
100
62
47
24
1
0
0
0
4
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
20
62
25
1
0
0
0
6
14
34
23
2
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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
4
8
17
49
58
49
30
30
16
4
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
3
2
1
3
4
5
5
5
6
6
6
7
9
13
16
18
17
19
21
21
20
18
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
9
9
8
7
7
6
5
5
4
4
5
5
6
6
3
4
2
3
2
3
2
1

Dew Point (°C)

11
9
9
9
9
9
9
8
8
7
5
6
7
8
9
8
6
6
6
5
5
3
2
2

Relative Humidity (%)

93
93
96
96
98
96
98
98
96
91
87
88
90
91
95
88
81
78
87
75
78
74
72
75

Pressure (mb)

1022
1022
1022
1021
1021
1021
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1021
1021

Ozone (du)

354
353
353
353
355
358
357
358
359
360
362
361
363
363
359
357
360
366
374
382
388
388
385
384

Thursday 9

Waning Gibbous 49%

04:03

11:11

21 Bad
22 OK
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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:26, Set: 20:04, Transit: 13:15. Moon - Rise: 04:03, Set: 11:11. Civil Dark: 20:39 - 05:51. Nautical Dark: 21:21 - 05:07. Astro Dark: 22:09 - 04:18

Total Clouds (% Sky Obscured)

43
29
75
64
100
100
100
100
100
100
99
93
100
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
27
40
57
58
61
41
38
31
6
0
0
0
8
0
0
5
18
0
47
61
34
10
14

Medium Clouds (% Sky Obscured)

0
0
7
8
75
99
100
100
100
100
99
93
96
97
99
100
95
100
100
100
100
99
96
49

High Clouds (% Sky Obscured)

2
4
74
46
100
100
100
100
100
100
94
47
100
94
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
6
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 (%)

2
3
16
15
12
0
0
0
0
0
0
0
0
0
0
0
0
7
23
42
42
41
10
10

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
12
11
10
9
7
5
4
3
2
2
2
3
6
10
11
12
14
15
14
14
14
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
-0
-1
-1
0
-0
1
1
-0
1
1
2
2
3
3
4
3
3
2
3
1
1

Dew Point (°C)

1
1
1
2
2
1
1
1
1
0
-0
-1
0
-0
-0
1
1
2
1
4
6
6
6
5

Relative Humidity (%)

75
78
80
85
83
80
86
85
85
83
82
77
73
66
62
61
61
61
60
79
91
93
93
93

Pressure (mb)

1022
1023
1023
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1021
1020
1019
1017
1016
1015
1014
1012
1011
1010

Ozone (du)

385
381
374
369
365
364
361
360
360
362
361
361
360
360
359
357
357
356
355
353
352
353
356
358

Friday 10

Third Quarter 39%

04:28

12:28

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:24, Set: 20:06, Transit: 13:15. Moon - Rise: 04:28, Set: 12:28. Civil Dark: 20:41 - 05:48. Nautical Dark: 21:23 - 05:04. Astro Dark: 22:12 - 04:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
100
100
100
97
84
68
83
48
34
46
44
60
74
35
81

Low Clouds (% Sky Obscured)

4
5
5
5
18
31
84
87
98
70
57
46
63
45
30
39
8
7
46
44
38
45
35
55

Medium Clouds (% Sky Obscured)

83
56
63
67
56
75
81
91
96
83
100
56
2
45
55
48
38
0
0
0
2
0
14
29

High Clouds (% Sky Obscured)

67
67
85
100
100
100
100
100
73
100
90
100
65
15
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
3
3
1
0
0
0
9
9
9
9
2
9
9
9
9
9
4
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

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

Precipitation Probability (%)

0
1
6
24
57
94
95
95
95
95
44
16
3
4
33
47
32
19
23
39
41
33
7
22

Precipitation Amount (mm)

0
0
0
0
0.2
0.7
0.9
1.6
0.7
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
16
15
16
15
11
10
12
12
13
8
10
13
14
17
18
21
22
24
24
23
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
1
1
1
3
3
1
1
-1
2
2
1
2
2
2
2
1
1
1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
88
88
93
93
98
96
96
98
91
85
83
79
78
87
74
70
74
87
85
85
88

Pressure (mb)

1009
1008
1007
1005
1004
1003
1001
1001
1001
1001
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002

Ozone (du)

356
358
358
356
356
357
362
361
362
366
374
384
388
394
401
409
419
423
422
427
438
453
457
470

Saturday 11

Waning Crescent 30%

04:46

13:48

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:22, Set: 20:07, Transit: 13:14. Moon - Rise: 04:46, Set: 13:48. Civil Dark: 20:43 - 05:46. Nautical Dark: 21:25 - 05:02. Astro Dark: 22:14 - 04:12

Total Clouds (% Sky Obscured)

98
96
92
89
93
96
100
100
100
100
97
72
71
85
80
70
75
71
90
80
91
63
64
68

Low Clouds (% Sky Obscured)

62
63
65
69
68
68
67
63
58
54
50
49
48
49
50
51
51
51
52
60
68
63
64
68

Medium Clouds (% Sky Obscured)

27
26
23
23
62
75
43
100
100
74
36
19
4
29
37
2
22
47
70
65
56
47
55
51

High Clouds (% Sky Obscured)

1
1
10
10
35
60
80
95
81
70
43
23
4
28
3
1
17
33
50
33
17
0
0
2

ISS Passover

Visibility (miles)

6
8
9
9
9
9
4
6
0
7
9
9
8
2
6
6
9
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
28
31
22
11
23
28
57
62
51
47
42
36
49
48
43
47
42
38
49
50
34
45
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
19
19
20
20
20
20
19
19
19
17
19
20
22
21
21
21
21
21
21
20
19
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
90
91
86
88
93
96
94
93
93
90
87
91
88
87
84
77
74
82
84
84
85

Pressure (mb)

1003
1003
1002
1002
1002
1002
1002
1002
1001
1001
1001
1002
1003
1004
1004
1005
1005
1005
1006
1006
1007
1008
1008
1009

Ozone (du)

479
486
485
480
479
479
486
487
489
492
505
507
508
505
504
500
495
491
489
485
482
481
480
478

Sunday 12

Waning Crescent 20%

05:00

15:08

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:19, Set: 20:09, Transit: 13:14. Moon - Rise: 05:00, Set: 15:08. Civil Dark: 20:45 - 05:44. Nautical Dark: 21:27 - 04:59. Astro Dark: 22:17 - 04:09

Total Clouds (% Sky Obscured)

58
60
55
52
67
89
96
90
83
70
71
69
73
69
73
68
65
61
68
65
61
66
57
34

Low Clouds (% Sky Obscured)

58
60
55
52
65
63
62
55
47
40
42
44
46
49
52
55
50
46
45
35
28
18
9
4

Medium Clouds (% Sky Obscured)

30
25
25
20
23
31
90
81
73
65
55
55
50
24
49
50
36
30
22
15
10
3
2
1

High Clouds (% Sky Obscured)

1
1
0
6
24
36
45
40
35
11
0
0
0
0
0
0
0
0
0
8
17
24
19
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
3
1
2
3
4
6
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

17
25
23
13
21
21
5
10
11
2
5
6
14
25
37
52
61
58
55
50
45
40
32
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
10
8
7
6
5
5
4
4
4
4
6
8
8
9
7
8
8
9
8
7
7
5

Chance of Frost

Temperature (°C)

6
5
5
5
4
4
3
3
3
3
3
4
6
8
9
9
9
9
10
11
10
10
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
91
94
94
96
94
96
94
93
94
89
82
74
68
74
93
88
84
80
82
85
87
90

Pressure (mb)

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

Ozone (du)

475
472
470
468
467
468
467
461
457
457
455
453
453
451
447
446
449
441
432
423
416
409
401
401

Monday 13

Waning Crescent 12%

05:12

16:30

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

Sun - Rise: 06:17, Set: 20:11, Transit: 13:14. Moon - Rise: 05:12, Set: 16:30. Civil Dark: 20:47 - 05:41. Nautical Dark: 21:29 - 04:56. Astro Dark: 22:20 - 04:05

Total Clouds (% Sky Obscured)

13
11
12
9
10
10
12
19
23
26
28
32
39
42
37
36
55
71
89
92
94
96
96
92

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
12
20
28
35
34
33
32
21
11

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
7
15
25
23
12
0
18
39
62
70
74
65
60
46

High Clouds (% Sky Obscured)

4
1
0
0
0
0
0
12
23
26
27
16
6
13
20
27
26
23
20
41
61
79
77
71

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 (%)

2
6
6
0
1
1
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)

4
4
4
3
3
2
2
2
2
2
2
2
3
4
6
8
11
10
11
12
12
11
11
11

Chance of Frost

Temperature (°C)

6
5
4
3
2
1
1
0
0
-0
-1
3
6
8
10
11
12
13
13
13
13
12
11
10

Feels Like (°C)

5
4
3
2
1
0
-0
0
-0
-1
-2
1
2
4
5
6
7
13
12
13
13
13
12
10

Dew Point (°C)

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

Relative Humidity (%)

93
96
96
98
96
96
96
96
94
92
92
86
80
75
67
59
53
52
51
50
55
61
67
72

Pressure (mb)

1017
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1019
1020

Ozone (du)

400
399
395
391
387
383
378
374
371
369
366
365
363
362
360
358
356
354
351
348
347
346
345
344

Tuesday 14

Waning Crescent 6%

05:23

17:53

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
18 Bad

Sun - Rise: 06:15, Set: 20:12, Transit: 13:14. Moon - Rise: 05:23, Set: 17:53. Civil Dark: 20:49 - 05:39. Nautical Dark: 21:32 - 04:54. Astro Dark: 22:22 - 04:02

Total Clouds (% Sky Obscured)

90
85
80
73
73
81
89
95
99
100
100
100
99
100
100
100
88
75
63
51
40
29

Low Clouds (% Sky Obscured)

0
20
39
59
66
70
61
58
56
60
54
61
62
80
87
91
82
73
63
51
40
29

Medium Clouds (% Sky Obscured)

53
43
42
45
49
53
52
48
49
45
45
46
46
46
45
50
46
37
25
19
11
0

High Clouds (% Sky Obscured)

70
75
77
73
73
57
38
58
77
97
97
97
98
96
93
85
62
33
8
5
3
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

Fog (%)

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

Precipitation Probability (%)

0
2
5
7
24
33
39
61
64
69
91
85
74
51
26
45
78
89
95
83
57
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
84
85
87
91
90
90
90
90
91
90
85
80
76
78
81
86
87
89
92
90
90

Pressure (mb)

1020
1021
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

342
341
339
337
336
336
335
335
335
334
334
341
348
355
356
358
359
364
368
372
370
367

Forecast for Rhayader, Powys, United Kingdom (52.27,-3.57)

Generated: 08/04/26 21:40:48. Forecast: 08/04/26 to 14/04/26. Timezone: UTC+1.00