Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 10

Waning Gibbous 52%

03:00

09:19

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 OK
13 OK
14 OK
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:38, Set: 18:12, Transit: 12:26. Moon - Rise: 03:00, Set: 09:19. Civil Dark: 18:46 - 06:04. Nautical Dark: 19:25 - 05:24. Astro Dark: 20:06 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
87
44
61
81
62
88
56
47
48
49
49
31
17
5
9
66
61
52

Low Clouds (% Sky Obscured)

97
92
100
100
100
90
66
44
37
72
62
66
54
47
48
49
49
31
17
0
0
35
0
11

Medium Clouds (% Sky Obscured)

89
97
98
100
84
54
23
0
58
57
36
60
35
6
0
0
0
0
0
0
0
3
17
12

High Clouds (% Sky Obscured)

68
15
67
100
64
0
0
0
7
1
0
0
0
0
0
0
0
0
0
0
4
10
14
22

ISS Passover

Visibility (miles)

7
3
3
1
2
4
9
9
9
9
9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

95
82
95
95
94
60
22
22
9
18
21
18
6
4
17
24
27
18
16
22
22
19
23
14

Precipitation Amount (mm)

1
0.4
1
1.5
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

26
28
26
22
23
22
23
20
21
20
22
22
22
23
22
23
23
22
20
21
20
21
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
96
96
96
91
85
87
87
85
87
84
84
84
82
81
77
77
75
77
78
82
82

Pressure (mb)

1005
1004
1003
1002
1001
1001
1002
1003
1003
1003
1004
1005
1005
1007
1008
1009
1010
1011
1012
1013
1013
1013
1013
1014

Ozone (du)

343
341
340
342
345
357
368
373
376
377
385
397
400
408
407
402
393
392
384
386
387
385
378
369

Wednesday 11

Third Quarter 42%

03:55

10:11

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
17 Bad

Sun - Rise: 06:35, Set: 18:14, Transit: 12:25. Moon - Rise: 03:55, Set: 10:11. Civil Dark: 18:47 - 06:02. Nautical Dark: 19:27 - 05:22. Astro Dark: 20:08 - 04:41

Total Clouds (% Sky Obscured)

46
47
66
53
81
97
94
97
100
100
100
96
94
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

46
30
50
25
64
78
78
76
83
65
88
84
83
86
90
100
98
89
86
99
72
98
57
49

Medium Clouds (% Sky Obscured)

4
11
7
8
4
5
9
16
42
37
87
65
40
97
100
100
97
96
100
100
100
100
100
100

High Clouds (% Sky Obscured)

4
23
27
15
34
82
55
56
98
100
100
58
53
48
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
7
4
7
7
2
3
2
6
6
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0

Precipitation Type

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

Precipitation Probability (%)

9
2
2
3
2
13
14
15
5
17
20
22
60
52
54
72
71
89
95
95
95
95
87
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.2
0.4
0.5
0.7
1.4
0.6
2
1.1
0.3
0

Wind Speed/Direction (mph)

20
21
21
21
21
20
22
23
24
26
26
25
26
27
28
29
31
31
32
31
33
30
29
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
84
84
85
87
87
85
84
84
84
84
88
91
93
96
93
91
95
95
95
91
90
95

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1012
1011
1010
1009
1008
1007
1006
1005
1004
1003
1002
1001
1000
1000
999
999
999

Ozone (du)

370
371
372
374
374
377
378
375
372
371
370
366
362
358
358
359
361
365
369
372
375
384
388
391

Thursday 12

Waning Crescent 32%

04:37

11:17

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
17 Bad

Sun - Rise: 06:33, Set: 18:15, Transit: 12:25. Moon - Rise: 04:37, Set: 11:17. Civil Dark: 18:49 - 05:59. Nautical Dark: 19:29 - 05:20. Astro Dark: 20:10 - 04:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
88
68
78
94
100
66
16
89
90
98
97
95
40
95
93

Low Clouds (% Sky Obscured)

46
54
42
48
100
100
100
100
68
62
53
50
47
38
37
16
35
69
66
61
53
38
48
41

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
85
97
100
7
1
8
61
100
66
16
89
31
36
9
15
18
76
72

High Clouds (% Sky Obscured)

100
100
100
100
100
93
41
40
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
2
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Very Light Rain
Very Light Rain
Sleet
Sleet
Sleet
Snow
None
Sleet
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

63
95
95
95
95
95
95
95
75
54
55
59
48
49
43
48
58
64
53
53
53
56
61
65

Precipitation Amount (mm)

0.2
0.5
1.4
2.8
0.9
1
2.7
1.5
0.3
0.3
0.2
0.3
0.2
0.2
0
0.2
0.4
0.3
0
0.3
0.2
0.3
0.4
0.4

Wind Speed/Direction (mph)

22
21
18
22
21
22
15
24
16
19
26
27
25
24
24
24
24
23
23
23
22
21
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
96
98
88
82
85
71
68
71
71
71
68
67
66
68
75
76
83
79
81
81

Pressure (mb)

999
999
998
996
996
996
995
995
995
995
995
995
996
996
996
997
997
997
997
997
997
997
997
997

Ozone (du)

393
399
403
408
412
420
422
425
429
439
446
454
473
486
493
503
519
533
535
525
516
507
503
501

Friday 13

Waning Crescent 23%

05:07

12:33

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
17 Bad

Sun - Rise: 06:31, Set: 18:17, Transit: 12:25. Moon - Rise: 05:07, Set: 12:33. Civil Dark: 18:51 - 05:57. Nautical Dark: 19:31 - 05:17. Astro Dark: 20:12 - 04:36

Total Clouds (% Sky Obscured)

93
95
97
97
47
92
87
96
92
96
96
97
97
96
95
88
69
86
92
93
93
95
95
97

Low Clouds (% Sky Obscured)

48
50
56
53
33
54
53
57
61
62
61
62
55
50
50
61
54
59
65
67
66
55
50
47

Medium Clouds (% Sky Obscured)

80
79
85
73
47
73
38
18
14
32
42
53
42
38
35
33
24
4
17
6
58
48
59
56

High Clouds (% Sky Obscured)

0
0
1
0
0
0
2
44
19
55
3
0
0
0
3
0
2
16
4
10
50
60
60
63

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

65
59
54
51
43
42
36
33
39
48
48
43
37
32
32
32
31
26
16
17
18
14
7
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
16
14
13
13
14
16
16
15
15
14
12
10
10
10
10
10
11
12
11
10
9
7
5

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
6

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Relative Humidity (%)

85
85
83
85
83
83
85
85
83
88
86
86
86
86
85
85
84
84
82
81
79
81
82
84

Pressure (mb)

997
998
999
999
1000
1001
1001
1001
1002
1002
1002
1002
1002
1003
1004
1004
1005
1005
1006
1006
1006
1007
1007
1008

Ozone (du)

492
492
481
474
479
478
470
467
465
461
460
460
464
459
449
439
432
423
418
415
409
403
398
394

Saturday 14

Waning Crescent 15%

05:28

13:53

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
17 Bad

Sun - Rise: 06:28, Set: 18:19, Transit: 12:25. Moon - Rise: 05:28, Set: 13:53. Civil Dark: 18:53 - 05:55. Nautical Dark: 19:33 - 05:15. Astro Dark: 20:14 - 04:34

Total Clouds (% Sky Obscured)

98
99
96
96
94
63
92
97
71
81
100
100
78
67
65
69
74
75
72
60
53
66
79
91

Low Clouds (% Sky Obscured)

53
54
56
48
39
26
31
36
44
63
83
100
43
47
53
46
37
27
36
43
47
54
64
75

Medium Clouds (% Sky Obscured)

36
19
15
24
33
39
75
70
62
62
58
51
9
5
1
9
16
26
34
44
44
41
40
43

High Clouds (% Sky Obscured)

10
18
31
38
46
46
36
25
1
1
0
0
0
1
1
2
2
2
3
6
10
14
15
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
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
Very Light Rain
None
Very Light Rain
Very Light Rain
None
Light Rain
Light Rain

Precipitation Probability (%)

9
10
3
7
7
5
10
10
4
22
40
55
32
27
26
26
27
41
38
51
56
49
63
71

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.2
0.2
0
0.4
0.5

Wind Speed/Direction (mph)

5
5
6
7
7
8
8
9
10
10
13
16
19
16
17
19
19
20
21
22
22
22
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
86
86
88
88
91
91
93
91
91
93
93
94
96
96
91
85
82
79
79
78
77
78

Pressure (mb)

1008
1009
1009
1010
1010
1010
1009
1009
1009
1009
1008
1007
1006
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

387
382
376
374
372
373
372
368
362
355
353
350
346
344
342
341
340
340
340
340
340
339
342
345

Sunday 15

Waning Crescent 8%

05:44

15:15

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
17 Bad

Sun - Rise: 06:26, Set: 18:21, Transit: 12:24. Moon - Rise: 05:44, Set: 15:15. Civil Dark: 18:55 - 05:52. Nautical Dark: 19:34 - 05:12. Astro Dark: 20:16 - 04:31

Total Clouds (% Sky Obscured)

89
87
87
85
82
79
84
89
94
94
95
94
93
94
93
96
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

77
80
79
78
77
76
80
86
90
83
73
64
53
45
40
56
72
84
89
94
98
98
98
98

Medium Clouds (% Sky Obscured)

34
38
40
27
17
0
0
0
0
8
21
45
49
56
60
69
76
73
72
80
91
89
86
84

High Clouds (% Sky Obscured)

10
4
0
1
1
1
2
3
7
11
16
18
19
20
20
17
14
11
23
36
43
26
16
6

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
8
9
9
9
9
9
9
9
9
9
8
8
8
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

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

Precipitation Probability (%)

61
63
71
56
42
32
25
23
29
23
18
19
18
19
23
32
43
49
54
63
71
66
68
61

Precipitation Amount (mm)

0.3
0.4
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.3
0.2

Wind Speed/Direction (mph)

20
19
19
19
20
21
22
22
23
23
22
22
22
22
22
22
21
20
20
19
19
19
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
78
79
81
82
84
85
85
84
84
85
87
88
88
88
88
87
88
87
88
88
88
90
91

Pressure (mb)

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

Ozone (du)

348
352
357
361
362
363
364
363
361
360
361
362
363
363
362
361
360
359
358
357
356
355
353
350

Monday 16

Waning Crescent 3%

05:57

16:37

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: 06:24, Set: 18:22, Transit: 12:24. Moon - Rise: 05:57, Set: 16:37. Civil Dark: 18:56 - 05:50. Nautical Dark: 19:36 - 05:10. Astro Dark: 20:18 - 04:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
96
96
98
98
100
99
98
98
98
99
100
98
95
91
85
80
75

Medium Clouds (% Sky Obscured)

74
65
59
56
50
47
41
35
33
33
36
39
38
38
48
52
61
65

High Clouds (% Sky Obscured)

29
52
78
56
35
13
9
6
2
6
7
10
10
9
5
9
13
20

ISS Passover

Visibility (miles)

9
8
8
7
8
8
9
9
8
7
8
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

Precipitation Type

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

Precipitation Probability (%)

53
55
52
42
33
21
23
23
24
29
41
57
77
90
95
91
81
69

Precipitation Amount (mm)

0
0.2
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.6
0.5
0.4
0.3

Wind Speed/Direction (mph)

22
22
21
21
21
21
22
21
22
23
23
24
23
23
22
21
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
95
95
95
95
95
95
93
93
91
90
90
88
88
85
83

Pressure (mb)

1010
1010
1009
1009
1008
1007
1006
1005
1005
1004
1003
1003
1002
1002
1002
1002
1002
1002

Ozone (du)

347
346
344
342
342
341
340
340
340
341
340
340
340
339
337
336
335
335

Forecast for Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 10/03/26 18:01:29. Forecast: 10/03/26 to 16/03/26. Timezone: UTC+0.00