Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waning Gibbous 76%

01:15

09:21

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:57, Set: 20:28, Transit: 13:12. Moon - Rise: 01:15, Set: 09:21. Civil Dark: 21:04 - 05:19. Nautical Dark: 21:51 - 04:31. Astro Dark: 22:48 - 03:33

Total Clouds (% Sky Obscured)

98
98
97
99
100
99
98
98
98
99
98
95
95
89
65
96
100
99
100
95
99
47
97
81

Low Clouds (% Sky Obscured)

1
2
1
1
0
0
6
9
7
5
1
3
26
82
56
95
100
95
100
77
12
10
20
2

Medium Clouds (% Sky Obscured)

2
97
79
61
95
95
95
93
78
96
92
76
87
70
36
77
98
96
98
87
99
41
73
81

High Clouds (% Sky Obscured)

98
66
91
99
99
98
96
92
96
97
91
90
69
9
9
6
13
77
41
48
28
5
91
4

ISS Passover

Visibility (miles)

10
10
9
5
2
4
8
10
10
10
10
10
10
10
9
7
6
7
10
10
9
5
3
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

Precipitation Type

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

Precipitation Probability (%)

15
60
5
3
2
1
0
0
0
2
4
8
12
19
31
46
59
61
61
62
63
56
41
28

Precipitation Amount (mm)

0.3
0.31
0.12
0.08
0.05
0.02
0
0
0
0.01
0.02
0.02
0.03
0.06
0.25
0.67
0.98
0.82
0.64
0.65
0.61
0.51
0.39
0.2

Wind Speed/Direction (mph)

8
8
8
8
8
8
8
8
7
7
7
7
8
9
10
13
14
15
15
14
13
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
13
12
12
11
11
10
8
8
10
11
12
13
13
13
12
10
6
6
6
6
5

Dew Point (°C)

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

Relative Humidity (%)

71
74
75
76
75
75
75
75
76
77
78
78
77
77
76
77
81
86
94
100
100
98
96
95

Pressure (mb)

994
994
994
994
994
993
993
992
992
991
991
991
990
990
990
989
989
990
990
991
991
992
992
993

Ozone (du)

368
369
369
369
370
370
370
371
374
378
382
384
386
387
386
385
384
386
389
394
401
410
415
417

Wednesday 24

Waning Gibbous 66%

02:10

10:12

21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK
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

Sun - Rise: 05:55, Set: 20:30, Transit: 13:12. Moon - Rise: 02:10, Set: 10:12. Civil Dark: 21:06 - 05:17. Nautical Dark: 21:54 - 04:28. Astro Dark: 22:52 - 03:30

Total Clouds (% Sky Obscured)

75
58
46
34
20
32
99
99
99
100
91
71
56
94
51
59
72
51
80
72
52
84
48
49

Low Clouds (% Sky Obscured)

1
2
10
12
10
12
70
99
98
100
65
48
33
90
35
38
55
31
65
64
31
40
31
26

Medium Clouds (% Sky Obscured)

41
13
26
31
18
27
98
95
74
48
38
30
22
10
13
20
27
38
16
27
33
25
24
22

High Clouds (% Sky Obscured)

72
55
34
2
0
1
96
26
45
20
75
27
34
57
29
33
34
9
41
10
29
74
22
34

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
8
5
2
2
6
10
10
10
6
2
1
1
1
0
0
1
5

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
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
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

12
0
0
0
0
10
20
33
38
40
37
31
21
15
17
22
25
30
35
37
38
35
30
27

Precipitation Amount (mm)

0.05
0
0
0
0
0.02
0.1
0.2
0.27
0.3
0.29
0.19
0.07
0.03
0.06
0.13
0.22
0.27
0.31
0.32
0.31
0.28
0.23
0.16

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
97
97
98
98
99
99
98
96
95
91
87
82
79
78
79
82
85
86
87

Pressure (mb)

994
994
994
994
994
993
993
992
992
991
991
992
993
993
994
995
995
996
997
997
998
998
999
999

Ozone (du)

415
412
406
399
394
390
388
386
385
385
385
385
386
386
386
385
384
384
384
384
383
382
382
383

Thursday 25

Waning Gibbous 57%

02:55

11:10

21 Bad
22 OK
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
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:53, Set: 20:31, Transit: 13:12. Moon - Rise: 02:55, Set: 11:10. Civil Dark: 21:07 - 05:15. Nautical Dark: 21:56 - 04:26. Astro Dark: 22:55 - 03:26

Total Clouds (% Sky Obscured)

29
21
48
79
98
100
100
100
100
98
100
100
100
92
98
99
87
80
93
99
100
93
99
99

Low Clouds (% Sky Obscured)

19
19
34
59
97
100
100
100
100
98
100
100
100
91
97
98
85
62
87
98
100
92
92
92

Medium Clouds (% Sky Obscured)

16
6
5
14
47
77
68
41
31
22
4
2
6
20
28
86
27
69
89
69
8
57
99
99

High Clouds (% Sky Obscured)

7
2
27
52
28
40
35
27
12
7
1
0
0
3
6
1
0
0
0
85
1
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

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

Precipitation Probability (%)

22
15
7
0
0
0
0
0
0
0
0
0
0
11
19
26
29
23
16
14
13
13
15
40

Precipitation Amount (mm)

0.09
0.04
0.02
0
0
0
0
0
0
0
0
0
0
0.02
0.06
0.17
0.26
0.24
0.18
0.13
0.08
0.03
0.04
0.23

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
93
94
94
95
95
95
96
96
96
93
87
83
81
80
80
81
82
82
80
77
77
80

Pressure (mb)

1000
1001
1001
1002
1002
1002
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1007
1008
1008
1008
1007
1006

Ozone (du)

385
386
386
386
386
385
385
384
381
377
374
374
375
376
376
376
378
381
386
390
393
394
397
401

Friday 26

Third Quarter 47%

03:31

12:12

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:51, Set: 20:33, Transit: 13:12. Moon - Rise: 03:31, Set: 12:12. Civil Dark: 21:09 - 05:12. Nautical Dark: 21:58 - 04:23. Astro Dark: 22:58 - 03:22

Total Clouds (% Sky Obscured)

99
99
99
99
58
58
58
58
58
58
100
100
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

92
92
92
92
54
54
54
54
54
54
100
100
100
100
100
100
100
100
100
100
100
100
98
98

Medium Clouds (% Sky Obscured)

99
99
99
99
20
20
20
20
20
20
100
100
100
100
100
100
76
76
76
76
76
76
99
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
28
28
28
28
28
28
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
1
0
0
1
3
7
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

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

Precipitation Probability (%)

65
71
74
80
79
75
59
50
55
66
69
58
38
21
19
18
15
12
10
8
6
5
8
6

Precipitation Amount (mm)

0.78
1.38
1.59
1.53
1.37
1.12
0.82
0.66
0.73
0.97
1.03
0.62
0.21
0.07
0.07
0.12
0.18
0.19
0.21
0.21
0.16
0.09
0.05
0.02

Wind Speed/Direction (mph)

17
18
17
15
13
13
14
15
15
18
19
20
20
19
19
18
18
17
17
17
16
16
16
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
4

Relative Humidity (%)

87
92
95
96
95
95
94
94
95
96
97
96
94
94
89
85
78
75
73
74
76
79
81
84

Pressure (mb)

1005
1004
1003
1002
1001
1001
1001
1001
1002
1004
1006
1008
1010
1012
1013
1015
1016
1017
1018
1019
1020
1021
1022
1023

Ozone (du)

406
411
415
419
422
427
433
433
426
414
406
403
403
402
399
395
391
387
383
380
377
375
373
370

Saturday 27

Waning Crescent 37%

04:00

13:16

21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
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

Sun - Rise: 05:49, Set: 20:35, Transit: 13:12. Moon - Rise: 04:00, Set: 13:16. Civil Dark: 21:11 - 05:10. Nautical Dark: 22:01 - 04:20. Astro Dark: 23:01 - 03:19

Total Clouds (% Sky Obscured)

99
99
99
99
24
24
24
24
24
24
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
98
98
98
15
15
15
15
15
15
56
56
56
56
56
56
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

99
99
99
99
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
11
11
11
11
11
11
0
0
0
0
0
0
75
75
75
75
75
75
98
98

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
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
3
4
4
4
4
4
4
5
4
4
3
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.02
0.02
0.02
0.02
0.04
0.06
0.06
0.05
0.04
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
5
5
5
5
4
4
4
4
4
4
6
8
9
10
11
12
13
13
13
12
11
11
10

Feels Like (°C)

2
2
2
2
1
1
1
1
1
1
2
3
5
7
10
11
12
13
13
13
12
11
11
8

Dew Point (°C)

4
3
3
3
3
3
2
2
2
3
3
4
6
7
7
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

86
87
88
88
88
89
88
89
90
92
93
92
88
87
84
80
75
72
71
73
76
80
83
87

Pressure (mb)

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

Ozone (du)

367
365
362
359
356
353
350
346
344
342
339
336
333
330
326
322
318
316
315
314
316
318
320
318

Sunday 28

Waning Crescent 28%

04:24

14:22

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:47, Set: 20:36, Transit: 13:12. Moon - Rise: 04:24, Set: 14:22. Civil Dark: 21:13 - 05:08. Nautical Dark: 22:03 - 04:18. Astro Dark: 23:05 - 03:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
95
95
95
95
95
95
48
48
48
48
48
48
91
91
91
91
91
91
100
100

High Clouds (% Sky Obscured)

98
98
98
98
100
100
100
100
100
100
99
99
99
99
99
99
100
100
100
100
100
100
81
81

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
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
None
None
None
None
None
None

Precipitation Probability (%)

2
2
2
1
1
2
3
4
6
7
9
13
15
14
12
10
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.03
0.03
0.03
0.04
0.04
0.04
0.04
0.04
0.04
0.05
0.06
0.09
0.12
0.12
0.06
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7
6
6
6
5
5

Relative Humidity (%)

91
93
93
93
92
91
91
92
93
94
94
92
88
86
81
75
70
65
63
63
64
67
69
74

Pressure (mb)

1021
1021
1021
1021
1021
1020
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1017

Ozone (du)

315
312
311
310
309
306
304
302
301
301
301
302
304
305
306
307
308
311
314
317
319
321
324
327

Monday 29

Waning Crescent 20%

04:45

15:29

21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
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

Sun - Rise: 05:45, Set: 20:38, Transit: 13:11. Moon - Rise: 04:45, Set: 15:29. Civil Dark: 21:15 - 05:06. Nautical Dark: 22:05 - 04:15. Astro Dark: 23:08 - 03:11

Total Clouds (% Sky Obscured)

100
100
100
100
15
15
15
15
15
15
73
73
73
73
73
73
97
97
97
97
97
97
99
99

Low Clouds (% Sky Obscured)

100
100
100
100
2
2
2
2
2
2
32
32
32
32
32
32
95
95
95
95
95
95
43
43

Medium Clouds (% Sky Obscured)

100
100
100
100
0
0
0
0
0
0
48
48
48
48
48
48
78
78
78
78
78
78
77
77

High Clouds (% Sky Obscured)

81
81
81
81
13
13
13
13
13
13
52
52
52
52
52
52
56
56
56
56
56
56
96
96

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
4
1
0
0
1
5

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

Precipitation Probability (%)

0
0
0
4
5
6
6
8
11
14
14
12
9
6
9
15
23
32
45
57
57
46
36
26

Precipitation Amount (mm)

0
0
0
0.01
0.02
0.03
0.03
0.03
0.03
0.03
0.03
0.02
0.02
0.01
0.02
0.08
0.18
0.3
0.45
0.54
0.45
0.29
0.18
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
5
5
5
5
5
5
5
6
7
8
9
11
11
12
11
11
8
7
7
6
6

Dew Point (°C)

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

Relative Humidity (%)

81
85
88
90
90
91
90
91
92
94
94
92
87
83
78
74
73
76
81
86
88
90
89
89

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

330
333
336
340
343
344
345
346
347
348
348
346
344
343
343
344
345
346
346
347
348
349
350
349

Forecast for Rhayader LD6 5HF, UK (52.27,-3.69)

Generated: 23/04/19 21:24:51. Forecast: 23/04/19 to 29/04/19. Timezone: UTC+1.00