Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 15

Waning Crescent 15%

05:35

13:51

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

Sun - Rise: 06:31, Set: 18:23, Transit: 12:27. Moon - Rise: 05:35, Set: 13:51. Civil Dark: 18:57 - 05:56. Nautical Dark: 19:38 - 05:16. Astro Dark: 20:20 - 04:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
77
80
100
66
30
100
93
80
63
84
79
89

Low Clouds (% Sky Obscured)

21
60
57
75
95
100
100
96
100
84
81
36
1
91
77
37
55
19
66
65
57
24
60
72

Medium Clouds (% Sky Obscured)

100
94
100
66
57
66
59
47
43
65
89
100
7
65
60
57
16
31
27
18
9
40
8
20

High Clouds (% Sky Obscured)

76
60
32
0
0
2
2
60
98
64
99
100
51
0
0
0
0
0
0
0
0
0
2
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
7
9
9
6
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
100
0
0
0
100
0
0
100
0
0
0
0
100
64
80
56
40
27

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0
0
0
0.3
0
0
0.3
0
0
0
0
0.4
0.2
0.7
0.2
0
0

Wind Speed/Direction (mph)

13
13
14
17
19
23
26
29
30
30
27
24
19
23
19
20
22
20
20
20
22
24
23
23

Chance of Frost

Temperature (°C)

8
7
7
7
7
7
8
8
8
9
9
9
9
9
8
7
7
7
7
7
7
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
82
80
79
80
85
88
90
90
93
86
79
74
78
78
75
75
72
74
76
76
78
79

Pressure (mb)

1009
1008
1008
1008
1007
1007
1005
1005
1004
1004
1003
1003
1004
1004
1004
1004
1005
1005
1006
1008
1008
1009
1010
1010

Ozone (du)

375
361
352
348
343
342
340
341
344
343
343
344
352
355
367
382
390
395
398
401
402
406
404
404

Monday 16

Waning Crescent 8%

05:49

15:14

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
22 Bad
23 Bad

Sun - Rise: 06:28, Set: 18:25, Transit: 12:27. Moon - Rise: 05:49, Set: 15:14. Civil Dark: 18:59 - 05:54. Nautical Dark: 19:40 - 05:13. Astro Dark: 20:22 - 04:31

Total Clouds (% Sky Obscured)

93
100
100
100
100
100
98
91
100
96
99
100
100
99
99
100
100
100
91
92
83
100
100
100

Low Clouds (% Sky Obscured)

46
82
73
77
42
43
70
66
76
90
72
96
90
95
79
74
75
68
72
64
74
81
90
92

Medium Clouds (% Sky Obscured)

48
60
60
52
48
85
96
45
98
58
97
100
100
96
90
72
42
98
29
23
0
72
36
60

High Clouds (% Sky Obscured)

34
86
25
13
100
100
50
5
32
9
32
60
3
5
33
68
96
100
29
91
37
46
87
87

ISS Passover

Visibility (miles)

9
9
9
6
9
9
9
9
9
9
9
9
5
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
29
41
40
38
33
29
26
19
4
7
83
84
50
6
7
11
8
2
4
16
18
17
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.6
0.5
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

22
21
22
20
20
19
21
22
23
24
22
23
23
25
27
28
29
27
26
26
26
25
25
25

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
6
7
7
8
8
9
8
9
9
9
9
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
76
79
76
79
81
84
81
82
85
84
91
95
91
91
91
91
93
93
95
95
95
95

Pressure (mb)

1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1009
1009
1009
1009
1009
1009
1009
1010
1009
1009

Ozone (du)

403
405
406
402
398
398
393
386
386
377
374
371
368
366
365
365
365
363
359
356
351
347
347
346

Tuesday 17

Waning Crescent 3%

06:01

16:38

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
22 Bad
23 Bad

Sun - Rise: 06:26, Set: 18:26, Transit: 12:26. Moon - Rise: 06:01, Set: 16:38. Civil Dark: 19:01 - 05:52. Nautical Dark: 19:42 - 05:11. Astro Dark: 20:24 - 04:28

Total Clouds (% Sky Obscured)

98
97
95
100
95
99
100
100
99
96
89
93
87
79
95
87
95
72
85
90
99
92
87
90

Low Clouds (% Sky Obscured)

87
64
85
100
86
94
92
84
98
94
81
90
83
71
92
81
92
55
55
68
97
83
72
76

Medium Clouds (% Sky Obscured)

73
60
53
60
69
57
6
0
0
0
0
0
0
0
0
0
2
9
27
38
41
32
24
28

High Clouds (% Sky Obscured)

67
50
4
3
15
25
67
97
39
2
0
0
0
0
0
0
0
1
1
5
4
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 (%)

8
21
21
21
20
27
24
19
5
21
15
18
19
15
18
13
17
15
16
14
17
16
18
9

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)

26
27
28
28
28
28
28
28
29
28
28
29
29
28
27
27
25
24
22
21
20
20
19
18

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
9
10
10
10
10
10
11
11
11
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

9
9
9
8
8
8
7
6
6
7
7
8
8
8
8
8
8
8
8
7
7
8
8
8

Relative Humidity (%)

96
96
95
93
91
91
85
82
81
82
82
87
84
83
84
84
83
81
83
83
83
84
84
85

Pressure (mb)

1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1011
1012
1012
1013
1013

Ozone (du)

346
346
346
345
346
346
346
343
340
340
339
339
339
338
337
337
336
336
339
342
343
346
349
350

Wednesday 18

Waning Crescent 0%

06:11

18:03

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

Sun - Rise: 06:24, Set: 18:28, Transit: 12:26. Moon - Rise: 06:11, Set: 18:03. Civil Dark: 19:03 - 05:49. Nautical Dark: 19:44 - 05:08. Astro Dark: 20:27 - 04:25

Total Clouds (% Sky Obscured)

93
84
87
76
48
47
44
47
40
44
10
74
90
63
11
12
41
6
13
24
42
79
60
53

Low Clouds (% Sky Obscured)

80
69
73
62
48
47
44
46
26
9
10
3
7
11
11
10
5
1
13
24
40
27
13
0

Medium Clouds (% Sky Obscured)

29
19
19
22
15
13
11
16
20
7
0
0
0
0
0
0
0
0
0
1
1
1
1
0

High Clouds (% Sky Obscured)

0
0
0
0
0
26
44
47
40
44
4
74
77
45
8
6
9
2
13
24
42
79
60
53

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 (%)

7
3
0
1
4
1
1
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)

17
15
14
12
11
9
8
7
6
6
6
4
2
3
6
9
10
10
11
11
11
11
12
12

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
9
9
10
11
12
14
14
14
15
15
14
13
12
11
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
7
8
8
7
7
7
7
7

Relative Humidity (%)

84
82
84
87
87
87
87
85
84
77
71
67
64
64
63
63
63
69
75
78
81
81
82
84

Pressure (mb)

1014
1014
1015
1015
1016
1017
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1022
1022
1023
1023
1024
1025
1025
1025

Ozone (du)

351
349
348
348
347
347
348
349
350
348
347
346
346
346
346
346
345
344
344
343
343
343
344
343

Thursday 19

New Moon 0%

06:21

19:29

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

Sun - Rise: 06:21, Set: 18:30, Transit: 12:26. Moon - Rise: 06:21, Set: 19:29. Civil Dark: 19:05 - 05:47. Nautical Dark: 19:46 - 05:06. Astro Dark: 20:29 - 04:23

Total Clouds (% Sky Obscured)

45
66
84
68
15
27
49
12
11
10
10
9
22
23
30
36
27
16
33
47
80
58
97
98

Low Clouds (% Sky Obscured)

3
6
9
7
6
5
5
4
4
5
5
6
4
2
0
11
22
16
33
32
32
32
28
27

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)

45
65
71
55
15
21
35
8
5
6
7
6
20
23
30
23
11
0
17
35
71
55
90
93

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

Chance of Frost

Temperature (°C)

9
9
9
9
8
8
8
8
9
10
11
12
13
13
13
13
12
12
11
11
10
10
10
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
84
82
84
84
84
85
84
81
78
75
70
69
69
68
71
73
77
80
81
78
77
77

Pressure (mb)

1025
1025
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1025
1026
1026
1026
1026

Ozone (du)

343
343
342
343
343
344
342
342
343
343
344
345
346
353
357
357
359
363
368
370
371
372
371
368

Friday 20

Waxing Crescent 3%

06:31

20:59

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 OK
21 OK
22 OK
23 OK

Sun - Rise: 06:19, Set: 18:32, Transit: 12:25. Moon - Rise: 06:31, Set: 20:59. Civil Dark: 19:07 - 05:44. Nautical Dark: 19:48 - 05:03. Astro Dark: 20:31 - 04:20

Total Clouds (% Sky Obscured)

98
99
99
93
87
81
99
99
100
100
100
100
97
92
88
94
89
89
84
67
46
32
35
39

Low Clouds (% Sky Obscured)

33
39
45
43
44
47
29
11
1
0
0
0
0
0
0
1
1
2
14
25
34
22
11
2

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

93
94
94
77
56
45
94
96
100
100
100
100
82
64
44
49
51
58
50
45
41
32
35
39

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
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
77
78
78
81
82
82
81
79
78
77
76
75
75
75
76
78
81
82
82
81
79
79
81

Pressure (mb)

1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

369
368
367
366
365
365
365
365
365
365
364
362
361
362
364
366
365
363
361
362
363
364
367
370

Saturday 21

Waxing Crescent 9%

06:44

22:32

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

Sun - Rise: 06:16, Set: 18:34, Transit: 12:25. Moon - Rise: 06:44, Set: 22:32. Civil Dark: 19:08 - 05:42. Nautical Dark: 19:50 - 05:00. Astro Dark: 20:33 - 04:17

Total Clouds (% Sky Obscured)

29
24
26
49
54
54
44
36
21
17
14
7
11
16
21
22
23
22
21
20
19
24
27
30

Low Clouds (% Sky Obscured)

1
1
0
0
1
1
1
1
1
1
1
0
0
1
1
1
2
2
2
2
2
2
4
7

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
5
6
6
8
14
11
6
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

29
24
24
31
26
24
15
14
9
6
4
1
1
1
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
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
1
1
3
3
1
6
8
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
79
77
79
80
83
77
75
70
66
64
61
60
59
58
60
63
65
69
70
72
73
75

Pressure (mb)

1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1018
1019
1019
1019
1018
1018

Ozone (du)

373
373
374
375
375
376
376
380
383
386
391
397
402
411
420
430
435
440
444
448
452
455
450
444

Forecast for Holyhead, Anglesey, United Kingdom (53.30,-4.65)

Generated: 15/03/26 19:54:26. Forecast: 15/03/26 to 21/03/26. Timezone: UTC+0.00