Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waxing Crescent 46%

10:30

03:10

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

Sun - Rise: 05:58, Set: 20:26, Transit: 13:12. Moon - Rise: 10:30, Set: 03:10. Civil Dark: 21:04 - 05:20. Nautical Dark: 21:52 - 04:32. Astro Dark: 22:46 - 03:35

Total Clouds (% Sky Obscured)

39
51
26
19
9
36
63
77
81
85
81
68
46
1
1
1
1
1
1
1
1
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
36
47
65
78
85
80
68
46
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

39
7
3
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)

39
51
26
19
9
11
55
67
47
57
56
41
19
1
1
1
1
1
1
1
1
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 (%)

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)

12
12
12
10
9
7
7
7
7
7
8
10
13
15
16
16
17
16
16
16
15
13
10
8

Chance of Frost

Temperature (°C)

9
8
7
6
6
5
4
3
3
4
5
6
8
10
12
14
15
15
16
16
15
14
13
11

Feels Like (°C)

4
3
2
2
2
2
2
0
0
1
1
3
3
5
7
10
11
12
12
13
12
12
11
10

Dew Point (°C)

5
5
4
3
3
2
3
3
3
3
2
3
3
5
6
7
8
8
9
10
11
11
10
10

Relative Humidity (%)

76
79
82
81
81
85
91
94
96
93
83
76
71
69
66
64
62
62
64
68
74
78
86
90

Pressure (mb)

1027
1028
1028
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1028
1027
1027
1027
1028

Ozone (du)

362
362
363
363
364
365
366
365
365
365
364
363
364
364
364
364
362
361
360
358
356
356
356
356

Thursday 23

Waxing Crescent 58%

11:57

03:38

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

Sun - Rise: 05:56, Set: 20:28, Transit: 13:12. Moon - Rise: 11:57, Set: 03:38. Civil Dark: 21:06 - 05:18. Nautical Dark: 21:54 - 04:30. Astro Dark: 22:49 - 03:32

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
1
2
8
2
0
0
0
0

Low 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

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
0
0
0
0
1
1
2
1
2
8
2
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 (%)

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)

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

Chance of Frost

Temperature (°C)

10
9
8
7
6
5
4
3
2
2
5
8
10
12
14
15
15
16
16
16
16
15
13
10

Feels Like (°C)

9
8
7
6
5
3
3
2
1
1
4
6
8
10
11
12
12
13
14
13
13
12
10
10

Dew Point (°C)

9
8
7
6
5
4
3
2
1
0
1
1
1
2
4
4
5
6
7
8
10
10
9
8

Relative Humidity (%)

90
93
95
94
94
94
94
93
91
86
78
63
53
50
50
50
51
52
54
58
67
75
80
84

Pressure (mb)

1028
1028
1028
1029
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1026
1026
1025
1025
1024
1024
1023
1023
1023
1024

Ozone (du)

356
356
357
359
360
361
362
362
360
358
357
357
357
358
358
358
358
359
356
356
359
359
358
359

Friday 24

First Quarter 69%

13:22

03:57

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

Sun - Rise: 05:54, Set: 20:30, Transit: 13:12. Moon - Rise: 13:22, Set: 03:57. Civil Dark: 21:08 - 05:16. Nautical Dark: 21:56 - 04:27. Astro Dark: 22:52 - 03:28

Total Clouds (% Sky Obscured)

82
7
5
6
84
64
94
87
95
93
92
100
100
94
66
49
56
57
36
19
32
20
15
7

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
21
29
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
4
64
81
53
76
86
83
100
96
94
66
49
47
39
26
13
23
15
8
0

High Clouds (% Sky Obscured)

81
7
5
6
84
64
69
77
81
78
80
100
100
63
40
49
43
57
0
0
18
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
6
4
3
2
1
1
1
0
1
4
7
10
11
13
15
17
17
17
17
17
17
14
11

Dew Point (°C)

6
4
3
2
1
1
0
0
-1
0
2
4
6
4
3
3
3
3
3
4
5
9
7
7

Relative Humidity (%)

82
82
83
83
83
83
82
83
83
80
78
72
67
54
46
42
41
39
39
41
47
64
72
78

Pressure (mb)

1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1022
1023

Ozone (du)

358
357
357
358
358
358
358
358
362
365
372
375
374
379
381
384
386
382
379
377
378
376
375
376

Saturday 25

Waxing Gibbous 78%

14:44

04:11

22 Good
23 OK
00 OK
01 OK
02 OK
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
21 Bad

Sun - Rise: 05:52, Set: 20:31, Transit: 13:12. Moon - Rise: 14:44, Set: 04:11. Civil Dark: 21:10 - 05:14. Nautical Dark: 21:59 - 04:24. Astro Dark: 22:55 - 03:24

Total Clouds (% Sky Obscured)

7
30
45
45
45
55
76
89
74
98
98
98
97
98
100
100
100
100
100
100
100
100
70
59

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
1
6
16
31
40
44
46
43
50
57
60
65
98
100
100
100
100
100
60
34

High Clouds (% Sky Obscured)

1
16
20
10
15
20
30
40
36
38
41
56
75
88
100
100
100
100
100
100
74
60
55
50

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
1
0
4
8
5
18
19
12
16
12
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)

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

Chance of Frost

Temperature (°C)

8
8
7
6
6
6
5
5
5
5
7
10
12
13
14
15
15
15
15
15
14
13
12
10

Feels Like (°C)

9
8
6
5
4
4
3
3
3
4
5
8
10
11
12
12
13
13
13
12
11
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

81
81
82
82
82
82
82
82
80
78
74
72
67
66
67
64
59
59
60
64
71
76
81
85

Pressure (mb)

1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1024
1024
1024
1024
1023
1023
1023
1023
1023
1024
1024

Ozone (du)

377
377
376
374
372
373
373
373
373
370
369
368
368
368
369
369
369
370
370
371
373
384
382
393

Sunday 26

Waxing Gibbous 74%

16:01

04:23

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

Sun - Rise: 05:50, Set: 20:33, Transit: 13:11. Moon - Rise: 16:01, Set: 04:23. Civil Dark: 21:11 - 05:11. Nautical Dark: N/A - 04:22. Astro Dark: 22:59 - 03:21

Total Clouds (% Sky Obscured)

63
81
83
62
63
61
44
63
45
27
20
15
66
60
79
86
93
100
91
84
90
83
74
84

Low Clouds (% Sky Obscured)

2
3
8
3
2
0
9
18
26
18
9
0
16
31
47
48
48
51
46
43
38
37
42
48

Medium Clouds (% Sky Obscured)

27
25
18
13
10
4
9
44
34
16
12
11
18
26
33
53
67
82
67
54
48
42
37
28

High Clouds (% Sky Obscured)

41
41
32
43
52
57
40
22
0
0
0
0
14
1
4
11
42
67
68
69
60
44
19
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
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
2
0
1
1
0
0
0
0
0
0
0
20
30
22
27
24
22
22
20
20
23
21
13

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)

3
3
3
3
2
2
2
3
3
3
3
5
7
8
9
10
10
11
11
12
12
13
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
7
7
7
7
6
6
5
6
9
12
14
12
13
14
14
14
14
14
14
13
10
10

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
90
90
91
91
93
93
93
87
81
75
71
69
67
68
70
73
76
80
83
84
87

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1022
1022
1022
1022
1023
1023

Ozone (du)

393
389
384
381
380
382
384
387
389
391
394
398
393
388
388
387
385
383
380
381
381
381
380
379

Monday 27

Waxing Gibbous 86%

17:17

04:33

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
21 Bad

Sun - Rise: 05:48, Set: 20:35, Transit: 13:11. Moon - Rise: 17:17, Set: 04:33. Civil Dark: 21:13 - 05:09. Nautical Dark: 22:01 - 04:19. Astro Dark: 23:02 - 03:17

Total Clouds (% Sky Obscured)

81
80
82
75
68
58
53
57
62
76
87
96
97
96
97
97
97
96
90
83
77
71
63
55

Low Clouds (% Sky Obscured)

55
61
67
75
68
58
53
57
62
76
87
96
97
96
97
97
95
93
86
79
72
68
63
55

Medium Clouds (% Sky Obscured)

23
12
5
6
7
9
10
10
12
10
5
0
18
40
60
62
63
64
47
26
3
2
1
0

High Clouds (% Sky Obscured)

6
7
9
7
4
1
1
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
8
7
8
8
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 (%)

11
11
8
6
5
1
9
10
5
12
13
11
19
25
28
31
34
37
35
34
32
25
17
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
88
90
90
90
91
91
91
93
93
93
85
78
72
73
75
76
79
81
84
84
87

Pressure (mb)

1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

378
377
377
376
375
375
375
375
376
376
378
380
382
385
388
391
392
394
395
397
399
400
398
395

Tuesday 28

Waxing Gibbous 93%

18:32

04:43

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 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK

Sun - Rise: 05:46, Set: 20:36, Transit: 13:11. Moon - Rise: 18:32, Set: 04:43. Civil Dark: 21:15 - 05:07. Nautical Dark: 22:03 - 04:16. Astro Dark: 23:05 - 03:13

Total Clouds (% Sky Obscured)

56
57
56
49
46
42
42
42
40
45
49
52
46
39
32
29
23
19
17
15
13

Low Clouds (% Sky Obscured)

56
57
56
49
46
36
30
25
24
21
24
24
30
32
31
27
23
19
17
15
13

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
11
20
28
19
10
1
1
2
4
3
2
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

Fog (%)

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

Precipitation Probability (%)

8
6
1
2
0
0
0
0
0
0
0
0
4
7
10
11
10
2
12
16
16

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

8
7
7
6
6
6
5
5
5
5
7
8
9
11
12
13
14
14
15
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
93
93
93
93
93
93
93
85
75
69
65
62
58
61
63
67
70
74

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020

Ozone (du)

393
392
391
390
389
389
388
386
385
383
383
384
384
383
381
380
379
378
377
378
378

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

Generated: 22/04/26 22:16:14. Forecast: 22/04/26 to 28/04/26. Timezone: UTC+1.00