Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waning Gibbous 76%

01:12

09:06

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

Sun - Rise: 05:45, Set: 20:20, Transit: 13:04. Moon - Rise: 01:12, Set: 09:06. Civil Dark: 20:59 - 05:06. Nautical Dark: 21:49 - 04:16. Astro Dark: 22:50 - 03:14

Total Clouds (% Sky Obscured)

98
95
69
14
14
50
90
91
44
93
97
97
98
76
23
53
87
69
100
98
97
88
97
48

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
11
3
2
2
1

Medium Clouds (% Sky Obscured)

0
75
50
0
0
0
1
5
2
0
0
0
0
0
0
0
0
0
13
95
91
84
94
48

High Clouds (% Sky Obscured)

98
95
60
14
14
50
89
91
44
93
97
97
98
76
23
53
87
68
100
70
75
25
58
1

ISS Passover

Visibility (miles)

6
7
10
10
10
6
7
6
7
6
7
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

-
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
1
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
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
18
20
21
21
20
19
14
13
12
11
10
9
9
8
7
7
6
6
7
8
10
12
15

Feels Like (°C)

16
18
20
21
21
20
19
14
13
12
11
8
8
7
6
5
5
5
5
5
7
10
12
15

Dew Point (°C)

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

Relative Humidity (%)

61
54
46
42
42
40
40
63
63
72
79
78
78
82
86
90
93
96
97
96
91
84
78
68

Pressure (mb)

1000
999
999
999
998
998
998
997
998
997
997
997
997
996
996
995
995
994
994
993
993
993
992
992

Ozone (du)

364
365
364
363
362
366
366
366
367
367
368
369
370
370
371
371
372
373
374
375
378
381
384
388

Wednesday 24

Waning Gibbous 66%

02:07

09:57

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

Sun - Rise: 05:43, Set: 20:22, Transit: 13:03. Moon - Rise: 02:07, Set: 09:57. Civil Dark: 21:01 - 05:04. Nautical Dark: 21:51 - 04:13. Astro Dark: 22:53 - 03:10

Total Clouds (% Sky Obscured)

78
75
99
82
95
98
77
56
100
99
99
99
25
0
0
12
51
39
95
82
95
79
97
100

Low Clouds (% Sky Obscured)

4
60
91
41
66
48
3
17
100
98
33
2
0
0
0
6
35
31
79
81
69
9
31
24

Medium Clouds (% Sky Obscured)

78
52
65
70
17
34
72
51
0
4
1
86
7
0
0
11
1
24
84
34
50
59
11
37

High Clouds (% Sky Obscured)

0
4
95
31
88
98
20
6
80
73
98
95
20
0
0
0
24
2
0
2
74
58
96
100

ISS Passover

Visibility (miles)

10
10
10
9
7
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
5
3
3

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

Precipitation Probability (%)

8
7
9
16
27
29
18
8
6
5
4
3
0
0
0
0
0
6
16
26
36
38
37
41

Precipitation Amount (mm)

0.03
0.07
0.18
0.45
0.62
0.4
0.12
0.04
0.03
0.02
0.02
0.01
0
0
0
0
0
0.01
0.06
0.13
0.16
0.17
0.18
0.29

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
20
19
18
17
16
15
14
12
11
10
10
9
9
8
8
8
8
9
9
10
11
11

Feels Like (°C)

18
19
20
19
18
17
16
15
14
12
11
10
8
7
7
6
5
5
5
6
7
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

59
55
55
58
61
64
66
69
72
74
76
76
76
76
79
83
86
87
88
87
85
82
80
79

Pressure (mb)

992
991
991
991
991
991
992
992
993
994
995
996
997
997
997
997
996
996
996
996
996
996
996
996

Ozone (du)

391
393
392
389
388
391
396
400
401
401
401
403
406
406
403
397
393
391
391
390
389
388
388
388

Thursday 25

Waning Gibbous 57%

02:51

10:55

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

Sun - Rise: 05:41, Set: 20:24, Transit: 13:03. Moon - Rise: 02:51, Set: 10:55. Civil Dark: 21:03 - 05:01. Nautical Dark: 21:54 - 04:10. Astro Dark: 22:57 - 03:06

Total Clouds (% Sky Obscured)

100
100
100
99
99
100
98
95
25
25
9
6
1
6
13
7
51
66
98
100
97
92
99
72

Low Clouds (% Sky Obscured)

27
21
38
36
29
38
13
13
16
21
9
6
1
6
13
7
20
48
95
100
97
91
99
46

Medium Clouds (% Sky Obscured)

65
95
94
96
97
99
89
14
14
12
4
1
0
0
2
2
2
38
59
13
45
68
95
50

High Clouds (% Sky Obscured)

100
100
100
98
97
99
98
93
9
0
0
0
0
0
0
0
40
14
11
19
0
0
2
33

ISS Passover

Visibility (miles)

3
3
3
2
1
1
0
2
6
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

53
55
49
44
41
37
28
18
12
5
0
0
0
5
15
21
29
29
25
11
0
0
0
6

Precipitation Amount (mm)

0.59
0.84
0.68
0.42
0.3
0.25
0.2
0.14
0.07
0.01
0
0
0
0.02
0.12
0.4
0.58
0.37
0.1
0.01
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
12
13
13
13
12
12
11
7
7
6
6
6
5
5
5
5
5
5
7
8
11
12

Dew Point (°C)

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

Relative Humidity (%)

78
77
73
71
70
71
73
74
77
80
82
84
86
87
88
89
89
90
91
89
85
82
77
72

Pressure (mb)

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

Ozone (du)

388
388
387
385
384
384
385
385
385
385
385
384
384
384
384
385
386
385
384
384
384
384
384
381

Friday 26

Third Quarter 47%

03:27

11:58

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: 05:38, Set: 20:26, Transit: 13:03. Moon - Rise: 03:27, Set: 11:58. Civil Dark: 21:05 - 04:59. Nautical Dark: 21:56 - 04:07. Astro Dark: 23:01 - 03:02

Total Clouds (% Sky Obscured)

81
88
81
38
58
38
81
100
100
100
100
100
100
100
100
100
100
100
100
96
96
96
96
96

Low Clouds (% Sky Obscured)

44
77
68
20
39
27
19
48
48
48
48
48
48
100
100
100
100
100
100
95
95
95
95
95

Medium Clouds (% Sky Obscured)

35
17
15
27
46
31
34
100
100
100
100
100
100
89
89
89
89
89
89
31
31
31
31
31

High Clouds (% Sky Obscured)

67
43
47
9
5
0
71
98
98
98
98
98
98
0
0
0
0
0
0
19
19
19
19
19

ISS Passover

Visibility (miles)

10
10
9
8
7
6
5
5
8
10
10
10
10
9
6
3
1
1
4
6
9
10
10
10

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

Precipitation Probability (%)

9
12
16
21
23
22
16
13
9
4
4
17
44
58
62
68
74
70
48
26
15
8
0
0

Precipitation Amount (mm)

0.05
0.1
0.13
0.15
0.17
0.17
0.16
0.12
0.05
0.01
0.01
0.11
0.44
0.72
0.61
0.62
0.76
0.59
0.29
0.12
0.05
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
14
15
14
13
13
12
11
10
9
9
8
8
8
8
7
7
7
7
8
9
10
11

Feels Like (°C)

13
14
14
15
14
13
13
12
11
10
7
6
6
5
5
5
5
4
4
4
5
7
10
11

Dew Point (°C)

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

Relative Humidity (%)

67
63
61
61
63
66
67
68
69
70
72
74
76
78
81
85
87
89
88
85
81
76
71
67

Pressure (mb)

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

Ozone (du)

378
375
374
373
374
375
378
380
383
386
389
393
396
399
401
401
402
401
400
400
402
404
404
401

Saturday 27

Waning Crescent 37%

03:55

11:58

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: 05:36, Set: 20:28, Transit: 13:03. Moon - Rise: 03:55, Set: 11:58. Civil Dark: 21:07 - 04:57. Nautical Dark: 21:59 - 04:04. Astro Dark: 23:04 - 02:57

Total Clouds (% Sky Obscured)

96
98
98
98
98
98
98
64
64
64
64
64
64
99
99
99
99
99
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

95
69
69
69
69
69
69
23
23
23
23
23
23
88
88
88
88
88
88
99
99
99
99
99

Medium Clouds (% Sky Obscured)

31
91
91
91
91
91
91
48
48
48
48
48
48
98
98
98
98
98
98
45
45
45
45
45

High Clouds (% Sky Obscured)

19
94
94
94
94
94
94
47
47
47
47
47
47
75
75
75
75
75
75
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
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 (%)

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

Precipitation Amount (mm)

0.01
0.01
0.01
0.02
0.02
0.03
0.03
0.03
0.05
0.09
0.11
0.07
0.01
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
13
12
11
11
12
12
11
10
9
9
9
9
8
8
9
8
6
9
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
59
56
55
56
59
62
62
63
64
65
67
69
70
70
71
72
73
74
73
70
67
65
62

Pressure (mb)

1011
1013
1014
1015
1015
1016
1017
1018
1020
1021
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1023

Ozone (du)

396
392
390
390
390
387
383
379
375
372
369
367
365
363
361
359
358
356
355
353
351
348
346
343

Sunday 28

Waning Crescent 28%

04:19

13:03

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: 05:34, Set: 20:29, Transit: 13:03. Moon - Rise: 04:19, Set: 13:03. Civil Dark: 21:09 - 04:54. Nautical Dark: 22:01 - 04:01. Astro Dark: 23:08 - 02:53

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
57
57
57
57
57
57
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
100
100
100
100
100
100
52
52
52
52
52
52
100
100
100
100
100
100
98
98
98
98
98

Medium Clouds (% Sky Obscured)

45
2
2
2
2
2
2
20
20
20
20
20
20
99
99
99
99
99
99
95
95
95
95
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
95
95
95
95
95

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0.01
0.02
0.02
0.03
0.02
0.03
0.08
0.13
0.09
0.02
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
16
17
17
17
16
16
15
13
12
12
11
11
10
10
9
9
10
10
11
13
14
14

Feels Like (°C)

14
15
16
17
17
17
16
16
15
13
12
12
11
11
10
9
8
8
8
10
11
13
14
14

Dew Point (°C)

6
7
7
7
7
7
7
7
8
8
8
8
8
8
8
7
7
7
7
7
6
6
6
6

Relative Humidity (%)

59
56
54
52
52
53
56
59
63
70
76
79
81
82
83
84
85
85
83
79
72
64
60
58

Pressure (mb)

1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1021
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

341
338
336
333
329
325
320
316
312
309
306
306
307
308
309
310
311
311
312
312
312
311
311
310

Monday 29

Waning Crescent 20%

04:38

14:10

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: 05:32, Set: 20:31, Transit: 13:03. Moon - Rise: 04:38, Set: 14:10. Civil Dark: 21:11 - 04:52. Nautical Dark: 22:04 - 03:59. Astro Dark: 23:12 - 02:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
81
81
81
81
81

Low Clouds (% Sky Obscured)

98
100
100
100
100
100
100
50
50
50
50
50
50
98
98
98
98
98
98
80
80
80
80
80

Medium Clouds (% Sky Obscured)

95
27
27
27
27
27
27
73
73
73
73
73
73
100
100
100
100
100
100
18
18
18
18
18

High Clouds (% Sky Obscured)

95
81
81
81
81
81
81
100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
6
6

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

2
2
2
0
0
0
0
0
0
0
0
0
2
2
0
0
0
3
8
15
18
17
15
15

Precipitation Amount (mm)

0.01
0.02
0.01
0
0
0
0
0
0
0
0
0
0.01
0.01
0
0
0
0.01
0.04
0.09
0.12
0.14
0.16
0.18

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
16
17
18
17
17
16
15
13
12
11
10
9
8
8
7
7
7
8
9
11
12
13

Feels Like (°C)

15
15
16
17
18
17
17
16
15
13
12
11
9
8
7
6
6
6
6
7
8
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

56
54
51
49
47
48
49
52
53
56
59
62
66
69
72
75
77
79
80
80
76
72
69
67

Pressure (mb)

1017
1017
1016
1016
1016
1015
1015
1015
1016
1016
1016
1017
1017
1017
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014

Ozone (du)

310
311
312
315
317
319
321
324
326
329
332
334
337
340
342
344
346
348
349
350
350
351
351
351

Forecast for Sheffield, South Yorkshire, UK (53.38,-1.47)

Generated: 23/04/19 21:28:39. Forecast: 23/04/19 to 29/04/19. Timezone: UTC+1.00