Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waning Gibbous 74%

02:22

08:24

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Bad
20 Bad
21 OK
22 Good
23 OK
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: 05:33, Set: 20:31, Transit: 13:03. Moon - Rise: 02:22, Set: 08:24. Civil Dark: 21:11 - 04:52. Nautical Dark: 22:03 - 03:59. Astro Dark: 23:11 - 02:50

Total Clouds (% Sky Obscured)

86
70
70
70
70
70
37
57
51
44
0
30
56
71
100
100
99
50
77
76
100
100
100
100

Low Clouds (% Sky Obscured)

94
85
92
56
38
27
2
0
3
0
0
0
0
0
20
34
58
41
58
41
43
77
84
93

Medium Clouds (% Sky Obscured)

99
100
99
56
79
57
51
0
0
0
0
26
55
60
84
100
76
17
63
59
61
100
31
82

High Clouds (% Sky Obscured)

100
75
88
100
74
50
60
2
0
0
0
2
2
57
100
100
39
2
44
28
100
100
83
63

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
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

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
1
8
22
20
18
7
2
0
0
5
26

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
11
12
13
15
14
12
11
8
6
6
8
9
9
9
10
11
12
11
11
13
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
82
73
68
64
60
60
61
64
70
76
76
80
82
83
85
85
83
88
85
79
75
73
72

Pressure (mb)

1003
1003
1003
1004
1004
1005
1006
1006
1007
1008
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011

Ozone (du)

446
447
456
458
457
451
449
457
466
469
463
455
454
456
457
456
453
451
451
452
452
453
452
449

Monday 29

Waning Gibbous 64%

03:04

09:43

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:31, Set: 20:33, Transit: 13:03. Moon - Rise: 03:04, Set: 09:43. Civil Dark: 21:13 - 04:50. Nautical Dark: 22:06 - 03:56. Astro Dark: 23:15 - 02:45

Total Clouds (% Sky Obscured)

92
100
100
100
100
93
95
96
100
100
100
100
100
100
98
100
100
100
87
64
62
57
92
100

Low Clouds (% Sky Obscured)

55
65
70
64
54
75
75
85
83
87
86
92
83
72
65
79
72
45
50
53
49
52
64
81

Medium Clouds (% Sky Obscured)

70
100
96
100
100
90
78
77
66
57
72
72
86
88
84
95
100
94
82
76
79
71
70
69

High Clouds (% Sky Obscured)

73
100
96
100
96
7
0
13
100
100
100
100
100
100
86
74
60
58
57
64
76
10
74
75

ISS Passover

Visibility (miles)

9
7
7
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 (%)

37
49
40
32
33
31
27
34
26
23
33
23
18
14
11
3
3
3
1
2
1
1
7
30

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
17
18
18
18
18
17
16
15
16
15
15
15
13
13
11
11
11
11
11
13
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
75
79
81
77
76
79
83
87
85
88
84
80
78
81
81
85
88
88
85
78
69
60
63

Pressure (mb)

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

Ozone (du)

447
444
442
441
439
437
437
433
433
431
431
434
435
437
430
426
425
425
422
421
422
424
428
433

Tuesday 30

Waning Gibbous 53%

03:32

11:11

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:29, Set: 20:34, Transit: 13:02. Moon - Rise: 03:32, Set: 11:11. Civil Dark: 21:15 - 04:48. Nautical Dark: 22:09 - 03:54. Astro Dark: 23:20 - 02:41

Total Clouds (% Sky Obscured)

99
100
96
100
100
99
72
99
99
99
81
95
100
96
97
92
81
94
98
100
100
88
92
85

Low Clouds (% Sky Obscured)

84
88
73
93
96
88
86
86
83
85
89
49
71
79
61
59
65
64
59
38
37
54
60
71

Medium Clouds (% Sky Obscured)

68
81
94
88
88
86
60
51
60
62
59
48
52
45
65
54
19
51
63
65
43
37
43
24

High Clouds (% Sky Obscured)

75
40
40
50
32
51
54
78
54
77
10
54
94
42
2
32
23
30
53
100
74
1
3
1

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
70
36
16
8
8
20
20
20
20
20

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 (%)

45
34
33
36
42
53
46
43
31
29
43
38
7
3
2
0
1
0
0
0
0
1
9
27

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)

16
16
16
15
13
12
11
10
8
7
6
4
3
3
3
2
2
3
2
2
2
3
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
9
9
9
9
9
10
10
9
9
9
9
8
8
8
8
8
9
9
10
10

Relative Humidity (%)

69
70
66
67
70
74
79
81
86
91
96
96
98
98
98
96
96
96
98
96
95
95
93
86

Pressure (mb)

1009
1009
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011

Ozone (du)

432
431
430
425
424
427
427
426
426
426
428
431
432
435
437
435
437
435
434
432
430
430
431
428

Wednesday 1

Third Quarter 41%

03:50

No Set

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:27, Set: 20:36, Transit: 13:02. Moon - Rise: 03:50, Set: No Set. Civil Dark: 21:17 - 04:46. Nautical Dark: 22:11 - 03:51. Astro Dark: 23:24 - 02:36

Total Clouds (% Sky Obscured)

91
94
97
100
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

81
86
92
98
78
67
59
61
60
59
57
58
59
68
76
85
83
79
78
85
92
100
100
100

Medium Clouds (% Sky Obscured)

32
46
65
79
91
85
99
99
89
89
72
72
62
67
64
64
67
67
82
64
73
71
71
65

High Clouds (% Sky Obscured)

1
40
61
91
91
100
100
73
47
25
18
36
47
63
84
95
97
95
87
92
86
62
69
35

ISS Passover

Visibility (miles)

9
7
9
9
9
9
9
9
3
2
2
1
0
0
0
0
0
0
1
1
2
2
2
2

Fog (%)

20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20

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 (%)

29
36
35
24
20
10
3
8
13
17
8
5
4
11
14
15
27
33
38
37
35
29
35
43

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
73
67
65
68
67
75
89
96
96
98
98
98
98
96
96
96
96
95
96
95
95
93
93

Pressure (mb)

1011
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008

Ozone (du)

425
422
420
419
416
414
410
407
406
406
406
405
402
398
396
396
394
392
390
388
386
383
382
381

Thursday 2

Waning Crescent 29%

04:04

12:43

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:25, Set: 20:38, Transit: 13:02. Moon - Rise: 04:04, Set: 12:43. Civil Dark: 21:19 - 04:43. Nautical Dark: 22:14 - 03:48. Astro Dark: 23:29 - 02:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
98
95
94
91
91
91
91
93
95
97
98
99
100
90
88
87
83
79

Low Clouds (% Sky Obscured)

100
100
100
100
97
93
91
89
88
87
87
88
88
86
83
82
79
77
75
85
75
64
60
58

Medium Clouds (% Sky Obscured)

62
96
60
60
55
53
47
35
22
5
5
8
5
36
45
47
54
43
10
27
45
66
65
60

High Clouds (% Sky Obscured)

39
91
84
59
54
50
44
35
22
31
39
40
40
57
74
92
93
97
100
65
58
56
55
63

ISS Passover

Visibility (miles)

3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
4
9
9
4
3
3
2
2

Fog (%)

20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20

Precipitation Type

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

Precipitation Probability (%)

50
65
78
86
86
88
93
78
57
7
7
5
14
31
68
83
56
32
35
39
36
32
44
51

Precipitation Amount (mm)

0
0.3
0.5
0.6
0.6
0.7
0.8
0.5
0.3
0
0
0
0
0
0.4
0.6
0.2
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
86
81
79
77
79
77
81
86
91
93
93
93
91
91
93
96
95
95
95
95
95
96
96

Pressure (mb)

1008
1007
1007
1007
1007
1007
1008
1008
1009
1010
1010
1011
1011
1011
1011
1011
1012
1012
1012
1013
1010
1010
1011
1011

Ozone (du)

381
380
381
380
378
376
375
374
373
372
372
372
372
372
372
371
370
370
369
369
369
370
370
369

Friday 3

Waning Crescent 19%

04:15

14:15

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

Sun - Rise: 05:23, Set: 20:40, Transit: 13:02. Moon - Rise: 04:15, Set: 14:15. Civil Dark: 21:21 - 04:41. Nautical Dark: 22:16 - 03:45. Astro Dark: 23:33 - 02:26

Total Clouds (% Sky Obscured)

76
74
72
70
59
47
40
46
55
63
55
45
44
51
53
64
68
79
77
77
77
79
83
81

Low Clouds (% Sky Obscured)

56
54
55
58
50
43
41
42
41
33
21
13
4
4
4
4
8
12
17
15
19
17
17
17

Medium Clouds (% Sky Obscured)

60
55
55
55
42
28
19
16
16
18
24
29
45
50
50
50
42
34
31
22
13
5
22
38

High Clouds (% Sky Obscured)

63
62
57
57
46
49
43
48
54
55
64
68
72
70
63
57
52
47
47
49
47
55
68
72

ISS Passover

Visibility (miles)

3
3
5
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20

Precipitation Type

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

Precipitation Probability (%)

56
56
54
50
42
31
8
8
6
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.2
0.2
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
10
10
10
9
9
9
9
8
7
6
6
5
5
4
4
4
4
4
4
4
4
5
5

Chance of Frost

Temperature (°C)

12
12
13
14
14
14
14
14
12
11
10
10
9
9
9
8
8
8
9
9
10
12
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
90
90
87
87
86
87
88
87
87
87
85
85
85
84
84
82
71
63
55
52

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

368
368
367
367
367
368
368
369
369
370
371
372
373
374
375
375
376
377
378
380
382
384
385
389

Saturday 4

Waning Crescent 10%

04:25

15:46

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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: 05:21, Set: 20:41, Transit: 13:02. Moon - Rise: 04:25, Set: 15:46. Civil Dark: 21:23 - 04:39. Nautical Dark: 22:19 - 03:42. Astro Dark: 23:38 - 02:21

Total Clouds (% Sky Obscured)

80
84
84
85
76
58
43
48
54
59
60
61
62
69
87
96
97
98
98
93
88
83
88
91

Low Clouds (% Sky Obscured)

16
19
21
21
21
20
18
20
17
17
10
6
1
19
36
54
61
71
80
73
65
57
62
67

Medium Clouds (% Sky Obscured)

55
50
45
40
32
24
16
15
13
9
22
34
47
55
65
70
75
75
70
58
43
30
26
25

High Clouds (% Sky Obscured)

75
80
81
78
59
38
15
27
37
47
41
34
25
42
58
74
73
72
57
55
49
43
42
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
1
1
1
3
6
9
9

Fog (%)

20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
4
6
6
9
8
3
7
8
5
36
61
87
95
95
95
95
73
45
42
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
1.1
1.2
0.8
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
17
17
18
17
16
15
13
12
10
10
9
9
8
8
8
9
9
9
10
11
12
12

Feels Like (°C)

10
11
15
15
15
15
14
14
12
12
11
10
10
10
6
6
6
6
6
6
7
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

52
49
49
49
48
53
57
62
70
79
87
87
88
87
90
91
96
96
98
98
93
87
83
86

Pressure (mb)

1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1010
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

392
395
398
401
404
400
395
391
389
387
385
383
381
378
381
384
386
392
397
403
410
416
423
419

Forecast for Sheffield, Sheffield, United Kingdom (53.38,-1.47)

Generated: 28/04/24 19:07:46. Forecast: 28/04/24 to 04/05/24. Timezone: UTC+1.00