Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 2%

06:08

22:28

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 OK
17 OK
18 Good
19 OK
20 OK
21 Bad
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 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 - 03:54

Total Clouds (% Sky Obscured)

78
81
60
58
54
78
79
85
92
80
49
33
28
32
8
19
38
41
45
45
53
57
62
64

Low Clouds (% Sky Obscured)

78
59
55
50
54
75
72
75
71
62
47
33
28
32
7
19
38
41
45
45
53
57
62
64

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
27
24
13
0
0
0
0
0
0
0
0
0
0
0
2
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
0
0
2
5
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
2
36

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
3
0
1
3
15
6
4
8
18
15
2
1
1
2
0
0
0
0
0
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
96
98
91
85
81
78
78
77
73
68
67
66
71
80
88
88
87
86
85
85
86
86

Pressure (mb)

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

Ozone (du)

404
404
408
405
403
401
400
399
400
403
408
413
414
414
412
408
404
403
402
402
401
399
397
395

Sunday 19

Waxing Crescent 7%

06:32

00:02

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 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 - 03:50

Total Clouds (% Sky Obscured)

70
72
99
85
68
48
45
66
73
84
63
25
0
9
4
2
4
17
62
63
54
41
39
51

Low Clouds (% Sky Obscured)

65
72
99
85
68
48
45
66
63
73
48
19
0
0
3
0
0
7
62
63
54
41
39
51

Medium Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
6
7
13
3
0
4
0
0
0
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

7
16
13
6
2
1
1
2
9
5
3
0
0
4
2
2
4
3
2
2
1
2
2
3

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 (%)

100
100
100
100
100
100
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
1
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
2
2
2
3
3
5
6
8
9
9
10
10
9
6
4
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
89
88
85
78
68
61
58
57
57
57
57
60
66
77
85
87
85
88
88
85
80
75

Pressure (mb)

1027
1027
1027
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025

Ozone (du)

393
392
390
390
390
391
389
388
388
387
386
384
383
382
381
380
380
382
383
383
383
382
383
383

Monday 20

Waxing Crescent 14%

07:08

01:24

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

Sun - Rise: 06:07, Set: 20:23, Transit: 13:15. Moon - Rise: 07:08, Set: 01:24. Civil Dark: 21:00 - 05:31. Nautical Dark: 21:46 - 04:44. Astro Dark: 22:40 - 03:47

Total Clouds (% Sky Obscured)

49
41
10
5
5
10
15
70
64
74
89
100
100
98
83
67
52
41
17
15
15
18
24
32

Low Clouds (% Sky Obscured)

47
39
6
0
0
0
0
62
15
27
82
79
77
55
38
42
18
12
2
2
1
14
24
32

Medium Clouds (% Sky Obscured)

2
22
10
5
5
10
15
17
33
38
48
65
50
43
30
16
13
6
4
0
3
7
11
14

High Clouds (% Sky Obscured)

21
16
10
5
5
10
15
59
53
67
49
41
12
5
3
4
2
1
0
0
0
1
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
13
12
3
14
19
8
18
4
12
6
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
74
73
69
69
67
64
63
60
58
61
70
77
73
78
81
82
85
91
93
93
94
94

Pressure (mb)

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

Ozone (du)

384
385
385
387
389
389
391
391
391
390
390
391
391
392
392
393
393
394
394
394
394
395
395
394

Tuesday 21

Waxing Crescent 24%

08:00

02:28

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

Sun - Rise: 06:05, Set: 20:25, Transit: 13:15. Moon - Rise: 08:00, Set: 02:28. Civil Dark: 21:02 - 05:28. Nautical Dark: 21:48 - 04:42. Astro Dark: 22:43 - 03:44

Total Clouds (% Sky Obscured)

28
30
16
36
30
21
28
30
68
88
93
80
80
46
16
18
34
50
45
62
47
61
81
100

Low Clouds (% Sky Obscured)

28
30
16
32
30
21
28
21
12
31
52
67
54
37
16
13
7
1
1
1
1
9
18
27

Medium Clouds (% Sky Obscured)

9
5
0
0
0
0
0
0
0
9
20
30
25
24
16
16
17
18
19
55
47
60
65
70

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
5
7
14
20
21
13
7
0
14
30
46
34
37
31
56
55
66

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
0
0
0
0
0
0
10
3
0
10
3
11
1
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
9
9
10
12
14
16
17
17
18
17
17
17
16
15
15
15
14
14
14
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
93
90
81
75
74
69
65
65
68
71
72
68
69
69
69
71
72
72
72
69
68

Pressure (mb)

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

Ozone (du)

394
394
394
395
398
399
400
402
401
400
399
397
394
392
391
389
389
387
386
385
385
385
386
384

Wednesday 22

Waxing Crescent 35%

09:11

03:11

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 Good
19 OK
20 Bad
21 Bad
22 Bad
23 OK
00 Good
01 Good
02 Good
03 OK

Sun - Rise: 06:03, Set: 20:26, Transit: 13:15. Moon - Rise: 09:11, Set: 03:11. Civil Dark: 21:04 - 05:26. Nautical Dark: 21:51 - 04:39. Astro Dark: 22:46 - 03:40

Total Clouds (% Sky Obscured)

90
81
83
82
87
75
47
51
39
34
38
30
20
18
8
28
51
76
51
30
14
13
16
13

Low Clouds (% Sky Obscured)

18
8
0
0
0
0
0
0
0
8
16
24
18
11
4
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

74
77
81
76
44
52
30
5
4
3
16
4
4
4
3
9
10
13
9
7
2
2
2
2

High Clouds (% Sky Obscured)

71
68
52
43
28
17
9
11
4
3
3
2
2
7
5
14
12
11
5
4
2
2
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
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
4
4
4
4
3
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)

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

Chance of Frost

Temperature (°C)

4
4
4
5
6
7
8
10
11
12
13
13
14
14
13
13
12
10
9
7
6
6
5
4

Feels Like (°C)

-2
-3
-2
-2
-1
1
2
4
5
7
7
8
10
11
9
10
10
9
9
7
6
5
2
2

Dew Point (°C)

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

Relative Humidity (%)

69
72
73
76
75
75
69
66
64
62
60
61
63
68
70
75
79
84
90
85
84
80
85
88

Pressure (mb)

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

Ozone (du)

382
381
382
382
384
387
386
384
383
380
376
374
373
373
374
375
374
374
373
372
371
370
370
369

Thursday 23

Waxing Crescent 46%

10:34

03:39

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

Sun - Rise: 06:01, Set: 20:28, Transit: 13:15. Moon - Rise: 10:34, Set: 03:39. Civil Dark: 21:05 - 05:24. Nautical Dark: 21:53 - 04:36. Astro Dark: 22:49 - 03:37

Total Clouds (% Sky Obscured)

19
26
32
41
45
53
51
44
48
42
28
14
19
24
32
42
45
45
53
62
74
60
45
31

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
9
18
26
16
8
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
2
2
3
3
2
3
5
5
5
4
3
3
3
4
5
7
8
7
7
6
19
32
31

High Clouds (% Sky Obscured)

4
6
9
10
11
10
9
7
4
4
4
5
4
4
4
12
23
37
49
62
74
60
45
31

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
1
1
2
3
4
5
5
11
11
11
11
12
12
10
10
9
8
8
7
4
4

Dew Point (°C)

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

Relative Humidity (%)

89
91
91
91
80
72
66
61
60
56
57
57
57
63
69
75
79
82
87
87
90
91
91
94

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1022
1021
1021
1021
1021
1021

Ozone (du)

369
369
368
368
369
369
369
371
374
376
375
374
373
372
371
370
368
367
366
365
364
364
364
365

Friday 24

First Quarter 58%

12:01

03:59

04 OK
05 OK
06 OK
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

Sun - Rise: 05:59, Set: 20:30, Transit: 13:14. Moon - Rise: 12:01, Set: 03:59. Civil Dark: 21:07 - 05:22. Nautical Dark: 21:55 - 04:34. Astro Dark: 22:52 - 03:33

Total Clouds (% Sky Obscured)

29
30
42
49
61
70
76
81
88
95
96
96
96
92
88
73
64
69
70
72
75

Low Clouds (% Sky Obscured)

8
15
21
28
37
50
53
54
48
41
28
25
26
25
27
36
43
48
51
53
56

Medium Clouds (% Sky Obscured)

29
30
42
49
61
70
71
61
55
60
66
68
63
54
48
38
33
25
17
13
7

High Clouds (% Sky Obscured)

29
30
32
35
34
24
18
16
10
8
6
9
9
14
15
24
24
24
13
12
10

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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
5
5
7
8
9
11
12
13
13
13
14
13
12
11
10
8
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
96
87
79
72
69
66
64
63
64
64
69
73
80
82
84
87
86
85

Pressure (mb)

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

Ozone (du)

366
367
369
370
371
371
371
371
371
371
371
371
371
373
375
376
377
377
378
378
379

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

Generated: 18/04/26 04:58:18. Forecast: 18/04/26 to 24/04/26. Timezone: UTC+1.00