Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 2%

06:08

22:28

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

Sun - Rise: 06:12, Set: 20:20, Transit: 13:16. Moon - Rise: 06:08, Set: 22:28. Civil Dark: 20:56 - 05:35. Nautical Dark: 21:42 - 04:50. Astro Dark: 22:34 - 03:57

Total Clouds (% Sky Obscured)

32
42
54
60
56
64
55
62
81
76
75
83
54
43
46
42
35
23
2
24
32
37
47
53

Low Clouds (% Sky Obscured)

32
42
54
60
56
64
55
61
79
72
72
73
52
43
45
42
35
23
0
23
32
37
47
51

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
6
0
0
0
0
0
0
0
0
0
0
1
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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
11
6
15
2
16
6
8
20
20
20
15
4
0
0
1
0
0
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
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
10
9
8
8
7
6
7
12
12
12
11
12
12
12
11
11
9
7
5
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
84
81
87
94
96
91
82
77
81
82
78
72
70
72
69
69
78
85
85
85
85
85

Pressure (mb)

1020
1020
1020
1020
1020
1021
1022
1022
1023
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1027
1027
1028
1028

Ozone (du)

401
403
403
404
405
406
406
403
402
401
401
403
405
409
412
413
415
415
411
405
403
402
402
401

Sunday 19

Waxing Crescent 7%

06:32

00:02

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

Sun - Rise: 06:10, Set: 20:21, Transit: 13:15. Moon - Rise: 06:32, Set: 00:02. Civil Dark: 20:58 - 05:33. Nautical Dark: 21:44 - 04:47. Astro Dark: 22:37 - 03:54

Total Clouds (% Sky Obscured)

53
55
59
66
66
71
78
67
50
67
58
53
62
55
40
12
1
1
1
4
45
64
68
65

Low Clouds (% Sky Obscured)

53
52
58
66
66
71
71
51
50
47
42
53
62
55
26
0
0
0
0
0
42
62
68
65

Medium Clouds (% Sky Obscured)

3
3
3
13
2
5
6
2
0
22
18
1
0
7
7
6
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

14
17
19
12
8
14
36
47
2
0
18
6
3
7
18
3
1
1
1
4
4
3
3
4

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
31
100
100
100
100
100
99
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
1
1
0
0
0
0
0
0
3
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
2
2
2
4
4
4
6
7
9
10
10
10
9
6
4
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
2
2
1
2
2
2
3
4
3
3
3
3
4
4
3
3
4
5
6
4
2
1
2

Relative Humidity (%)

85
85
85
85
88
89
89
83
77
67
61
59
57
57
58
57
60
66
77
87
84
78
78
83

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

400
398
396
394
392
391
389
389
390
390
389
387
386
385
385
383
383
382
381
381
381
382
382
383

Monday 20

Waxing Crescent 14%

07:08

No Set

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
22 OK
23 OK
00 Good

Sun - Rise: 06:07, Set: 20:23, Transit: 13:15. Moon - Rise: 07:08, Set: No Set. Civil Dark: 21:00 - 05:31. Nautical Dark: 21:46 - 04:44. Astro Dark: 22:40 - 03:50

Total Clouds (% Sky Obscured)

58
54
61
69
68
79
71
71
66
53
73
86
98
100
92
89
83
82
81
72
64
34
27
7

Low Clouds (% Sky Obscured)

58
54
61
68
64
71
61
63
57
37
39
51
75
45
71
73
49
38
31
20
9
7
5
1

Medium Clouds (% Sky Obscured)

0
0
0
1
2
28
16
9
23
48
73
86
96
85
68
46
35
32
28
22
17
11
6
0

High Clouds (% Sky Obscured)

4
5
3
25
39
51
70
48
37
31
48
40
45
35
35
23
4
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 (%)

0
0
0
0
0
0
0
0
0
0
16
20
22
17
16
9
21
22
26
14
14
1
2
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
4
4
4
4
3
3
4
6
7
6
6
7
6
6
6
4
4
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
83
83
83
85
85
79
74
72
68
66
64
65
66
68
66
64
76
78
82
87
90
90

Pressure (mb)

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

Ozone (du)

382
382
383
385
387
389
389
389
390
391
390
390
390
391
392
393
393
394
395
397
400
402
403
405

Tuesday 21

Waxing Crescent 24%

08:00

01:24

01 Good
02 Good
03 Good
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 OK
17 OK
18 OK
19 OK
20 OK
21 Good
22 Good
23 Good
00 Good

Sun - Rise: 06:05, Set: 20:25, Transit: 13:15. Moon - Rise: 08:00, Set: 01:24. Civil Dark: 21:02 - 05:28. Nautical Dark: 21:48 - 04:42. Astro Dark: 22:43 - 03:47

Total Clouds (% Sky Obscured)

6
7
7
20
70
81
91
94
98
99
99
87
66
62
63
37
40
40
28
14
2
1
2
2

Low Clouds (% Sky Obscured)

1
1
1
16
34
49
52
57
60
60
61
61
48
38
29
21
20
19
13
7
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
13
30
45
48
50
48
47
53
44
39
35
30
30
27
24
14
6
0
1
1
2

High Clouds (% Sky Obscured)

0
0
0
20
57
81
84
78
63
40
23
5
4
2
0
6
12
20
12
6
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)

6
6
6
7
9
10
11
13
15
17
17
18
18
18
18
17
17
16
16
15
15
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
3
4
4
5
5
5
5
4
4
4
4
5
4
2
2
1
0
0

Relative Humidity (%)

93
94
94
94
94
93
89
88
85
84
78
76
69
63
60
61
62
66
67
65
68
67
67
70

Pressure (mb)

1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

409
413
416
421
424
424
423
423
422
420
418
414
411
410
411
410
409
409
411
412
413
413
412
408

Wednesday 22

Waxing Crescent 35%

09:11

02:28

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

Sun - Rise: 06:03, Set: 20:26, Transit: 13:15. Moon - Rise: 09:11, Set: 02:28. Civil Dark: 21:04 - 05:26. Nautical Dark: 21:51 - 04:39. Astro Dark: 22:46 - 03:44

Total Clouds (% Sky Obscured)

4
4
9
10
7
2
6
12
21
28
35
42
38
33
28
10
2
1
6
14
25
19
10
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
7
14
21
10
2
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
4
9
10
6
2
1
1
0
0
0
0
0
0
0
0
0
0
3
5
16
16
8
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
6
12
21
28
35
37
21
8
2
1
1
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
2
4
4
4
4
3
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)

17
16
15
15
15
14
15
15
17
18
19
19
20
19
18
18
16
14
13
11
9
7
7
8

Chance of Frost

Temperature (°C)

5
4
4
4
4
4
4
5
7
8
10
11
13
13
14
14
14
13
13
12
10
9
8
7

Feels Like (°C)

1
1
1
0
0
0
0
2
2
4
6
7
9
9
9
10
10
10
11
10
10
10
8
7

Dew Point (°C)

0
0
0
-0
-1
-1
-0
2
2
2
3
4
5
5
5
6
7
8
8
8
8
7
6
5

Relative Humidity (%)

73
76
77
76
73
71
76
78
72
67
62
59
58
57
57
57
62
68
74
79
84
90
90
88

Pressure (mb)

1025
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1022
1022
1023
1023
1023

Ozone (du)

405
401
398
398
397
396
394
393
393
393
393
389
384
381
378
375
375
374
374
374
375
375
374
372

Thursday 23

Waxing Crescent 46%

10:34

03:11

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

Sun - Rise: 06:01, Set: 20:28, Transit: 13:15. Moon - Rise: 10:34, Set: 03:11. Civil Dark: 21:05 - 05:24. Nautical Dark: 21:53 - 04:36. Astro Dark: 22:49 - 03:40

Total Clouds (% Sky Obscured)

4
8
18
21
17
15
10
8
6
4
3
2
3
4
6
17
31
43
35
24
14
28
41
55

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
31
43
35
18
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)

1
3
4
3
4
4
3
3
2
2
1
1
2
3
5
4
4
3
6
10
14
28
41
55

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
4
3
3
2
2
2
2
3
3
4
5
6
11
12
11
12
12
12
10
9
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

88
90
89
91
89
88
86
81
75
69
67
64
61
62
61
60
66
70
75
80
84
90
90
90

Pressure (mb)

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

Ozone (du)

371
370
370
369
370
371
372
372
371
370
369
367
366
365
364
363
362
360
358
360
362
364
365
366

Friday 24

First Quarter 58%

12:01

03:39

Sun - Rise: 05:59, Set: 20:30, Transit: 13:14. Moon - Rise: 12:01, Set: 03:39. Civil Dark: 21:07 - 05:22. Nautical Dark: 21:55 - 04:34. Astro Dark: 22:52 - 03:37

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 18/04/26 01:53:22. Forecast: 18/04/26 to 24/04/26. Timezone: UTC+1.00