Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 18

Waning Crescent 0%

06:20

18:01

17 OK
18 OK
19 OK
20 Good
21 Good
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

Sun - Rise: 06:19, Set: 18:26, Transit: 12:24. Moon - Rise: 06:20, Set: 18:01. Civil Dark: 19:00 - 05:46. Nautical Dark: 19:39 - 05:07. Astro Dark: 20:20 - 04:26

Total Clouds (% Sky Obscured)

21
32
24
3
3
1
1
2
1
1
1
1
1
1
2
0
1
1
1
0
0
2
0
5

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)

21
32
8
3
3
1
1
2
1
1
1
1
1
1
2
0
1
1
1
0
0
2
0
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
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)

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

Chance of Frost

Temperature (°C)

16
14
12
10
10
9
9
8
8
7
6
6
5
5
5
7
10
12
13
14
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
82
86
87
87
88
87
84
81
78
78
78
79
79
79
78
70
63
58
56
55
55
56
63

Pressure (mb)

1019
1020
1021
1022
1023
1024
1024
1025
1025
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1026
1026
1026
1025

Ozone (du)

345
343
343
344
345
345
345
345
346
346
345
345
345
346
349
350
351
352
352
355
361
366
372
373

Thursday 19

New Moon 3%

06:32

19:25

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

Sun - Rise: 06:17, Set: 18:28, Transit: 12:23. Moon - Rise: 06:32, Set: 19:25. Civil Dark: 19:01 - 05:44. Nautical Dark: 19:41 - 05:04. Astro Dark: 20:22 - 04:23

Total Clouds (% Sky Obscured)

1
49
0
1
8
16
98
100
100
100
100
7
7
13
24
49
64
69
72
68
74
92
100
100

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)

1
49
0
1
8
16
84
100
100
100
97
7
7
13
24
49
58
65
72
68
74
92
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
77
81
79
81
82
81
82
82
80
80
80
79
79
79
76
72
68
65
63
61
60
63
69

Pressure (mb)

1025
1025
1025
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021

Ozone (du)

373
375
376
376
374
375
376
376
379
379
379
377
376
377
378
377
377
378
380
379
379
379
378
379

Friday 20

Waxing Crescent 9%

06:47

20:52

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

Sun - Rise: 06:15, Set: 18:30, Transit: 12:23. Moon - Rise: 06:47, Set: 20:52. Civil Dark: 19:03 - 05:42. Nautical Dark: 19:43 - 05:02. Astro Dark: 20:24 - 04:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
45
39
42
46
54
54
34
23
24
17
11
9
17
22

Low Clouds (% Sky Obscured)

0
0
0
4
30
31
4
4
14
7
7
6
1
1
1
1
1
0
0
1
1
2
3
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
33
45
39
5
26
45
18
4
4
1
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
44
39
42
46
54
48
34
21
24
17
9
1
1
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
8
7
6
5
5
4
4
4
4
4
4
3
3
5
8
9
12
13
10
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

76
78
80
79
78
79
82
82
84
82
84
83
85
85
85
84
80
77
73
71
73
85
84
84

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019

Ozone (du)

380
380
382
381
382
382
384
386
388
388
389
387
388
390
392
394
392
391
390
390
391
390
387
385

Saturday 21

Waxing Crescent 17%

07:07

22:23

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

Sun - Rise: 06:13, Set: 18:31, Transit: 12:23. Moon - Rise: 07:07, Set: 22:23. Civil Dark: 19:05 - 05:39. Nautical Dark: 19:44 - 05:00. Astro Dark: 20:26 - 04:18

Total Clouds (% Sky Obscured)

24
3
0
0
0
0
0
0
0
0
7
11
15
25
35
48
44
52
100
100
99
99
99
100

Low Clouds (% Sky Obscured)

7
1
0
0
0
0
0
0
0
0
0
0
0
10
20
30
27
25
22
30
38
46
43
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
23
35
33
31
33
29
64

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
7
11
15
25
33
48
44
52
100
96
93
91
93
96

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
1
1
6
9
8
5
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
88
90
90
90
90
90
90
90
88
88
89
89
88
87
84
81
80
76
77
78
78
77

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018
1018
1019

Ozone (du)

385
384
384
383
380
378
380
379
382
385
389
394
395
395
391
388
383
382
378
376
378
377
375
376

Sunday 22

Waxing Crescent 27%

07:34

23:54

17 Bad
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

Sun - Rise: 06:10, Set: 18:33, Transit: 12:23. Moon - Rise: 07:34, Set: 23:54. Civil Dark: 19:07 - 05:37. Nautical Dark: 19:46 - 04:57. Astro Dark: 20:28 - 04:15

Total Clouds (% Sky Obscured)

100
98
95
93
95
98
100
95
89
85
90
95
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

33
21
10
0
13
26
37
28
15
1
29
57
86
16
31
45
39
31
21
15
9
3
15
28

Medium Clouds (% Sky Obscured)

77
82
85
90
87
82
80
78
81
84
89
95
100
95
89
84
59
39
22
26
34
28
27
33

High Clouds (% Sky Obscured)

100
84
67
51
63
82
100
80
60
40
60
82
100
100
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
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
3
2
0
0
0
0
0
0
0
0
2
0
6
8
7
7
4
1
1
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
85
82
81
79
79
81
80
82
81
81
82
82
84
84
77
73
67
67
66
64
69

Pressure (mb)

1019
1019
1019
1019
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

375
374
375
373
374
373
372
373
373
374
373
375
374
372
372
372
371
372
372
373
371
369
367
365

Monday 23

Waxing Crescent 25%

08:14

01:21

17 Bad
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

Sun - Rise: 06:08, Set: 18:35, Transit: 12:22. Moon - Rise: 08:14, Set: 01:21. Civil Dark: 19:08 - 05:35. Nautical Dark: 19:48 - 04:55. Astro Dark: 20:30 - 04:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
92
83
76
84
91
100
98
96
94
92
90
87
89
86

Low Clouds (% Sky Obscured)

40
47
54
62
60
59
66
74
73
68
52
44
36
34
35
40
42
51
55
50
44
40
53
70

Medium Clouds (% Sky Obscured)

31
36
41
47
45
34
22
26
29
32
28
23
18
24
29
32
34
37
30
40
53
69
62
58

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
94
88
83
83
82
76
83
91
99
77
55
33
25
29
35
44
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 (%)

4
26
39
48
48
45
42
31
20
3
5
4
2
1
4
1
0
2
0
2
2
3
20
28

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
7
6
6
6
7
8
10
11
12
11
11
11
11
11
12
14
15
16
17
17
18
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
79
80
83
83
83
82
82
82
80
80
80
82
77
75
73
69
68
64
70
74
80
85

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

363
361
359
357
355
354
352
351
351
351
350
350
349
349
349
349
350
350
350
350
352
353
354
361

Tuesday 24

Waxing Crescent 38%

09:11

02:35

17 Bad
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

Sun - Rise: 06:06, Set: 18:37, Transit: 12:22. Moon - Rise: 09:11, Set: 02:35. Civil Dark: 19:10 - 05:32. Nautical Dark: 19:50 - 04:52. Astro Dark: 20:32 - 04:10

Total Clouds (% Sky Obscured)

85
84
84
87
90
92
94
98
99
99
99
100
100
99
97
93
94
96
98

Low Clouds (% Sky Obscured)

85
83
79
76
69
65
67
71
81
92
94
96
99
93
89
84
87
88
92

Medium Clouds (% Sky Obscured)

61
53
40
28
38
50
63
56
50
47
31
17
0
17
30
41
46
52
47

High Clouds (% Sky Obscured)

27
27
20
14
8
4
5
5
5
5
5
5
10
20
25
30
60
78
91

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8
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 (%)

32
27
19
5
9
10
6
23
31
37
33
28
23
22
22
24
22
20
16

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)

15
14
14
13
13
13
13
13
14
13
14
14
15
14
14
14
15
16
17

Chance of Frost

Temperature (°C)

9
9
10
10
10
10
10
9
9
9
9
9
10
10
10
10
10
10
10

Feels Like (°C)

4
4
5
5
4
5
5
5
4
4
4
4
4
4
4
4
4
4
4

Dew Point (°C)

8
9
9
9
9
9
9
8
9
9
9
9
9
9
9
8
8
8
7

Relative Humidity (%)

91
96
96
96
95
95
93
93
95
96
98
96
98
96
93
90
88
85
84

Pressure (mb)

1018
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013

Ozone (du)

368
374
372
371
369
370
371
372
372
372
372
372
373
373
374
374
375
374
373

Forecast for Llanrhidian, City and County of Swansea, United Kingdom (51.61,-4.17)

Generated: 18/03/26 17:37:41. Forecast: 18/03/26 to 24/03/26. Timezone: UTC+0.00