Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

Waxing Crescent 31%

08:51

23:57

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 Bad
15 OK
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:26, Set: 18:59, Transit: 12:12. Moon - Rise: 08:51, Set: 23:57. Civil Dark: 19:26 - 04:58. Nautical Dark: 20:00 - 04:23. Astro Dark: 20:37 - 03:47

Total Clouds (% Sky Obscured)

100
100
100
100
75
58
88
67
87
100
62
90
85
80
58
85
62
30
43
97
47
58
93
53

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

63
38
81
53
45
41
84
56
84
100
62
90
85
76
35
83
62
30
1
58
3
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
60
45
45
49
53
55
53
88
57
60
58
42
45
21
19
45
28
47
90
43

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)

11
12
13
11
9
7
4
3
2
1
2
3
2
3
4
3
4
5
7
7
6
7
8
7

Chance of Frost

Temperature (°C)

20
19
17
16
16
15
14
13
13
12
12
12
12
13
15
17
19
20
21
22
22
22
22
21

Feels Like (°C)

14
12
11
11
11
10
10
10
10
10
9
11
10
11
13
16
16
19
20
19
19
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

23
26
26
30
33
35
35
35
35
35
36
36
36
33
30
28
26
24
22
21
20
20
21
22

Pressure (mb)

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

Ozone (du)

358
362
368
368
370
370
370
369
376
380
383
386
385
387
384
385
384
377
375
378
379
379
378
382

Wednesday 22

Waxing Crescent 42%

10:03

00:54

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

Sun - Rise: 05:25, Set: N/A, Transit: 12:12. Moon - Rise: 10:03, Set: 00:54. Civil Dark: 19:27 - 04:56. Nautical Dark: 20:02 - 04:22. Astro Dark: 20:38 - 03:45

Total Clouds (% Sky Obscured)

92
53
51
51
52
75
44
41
48
54
51
52
12
2
3
0
2
13
10
14
0
0
2
0

Low Clouds (% Sky Obscured)

20
20
9
17
34
65
44
41
48
48
30
3
0
0
0
0
2
13
10
14
0
0
2
0

Medium Clouds (% Sky Obscured)

0
0
12
9
0
0
0
0
5
13
9
9
10
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

81
25
25
35
40
35
0
0
0
8
25
40
1
2
2
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
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)

5
6
8
8
8
7
6
5
5
4
3
3
2
2
3
4
5
7
9
10
10
11
11
10

Chance of Frost

Temperature (°C)

20
18
17
16
15
14
13
13
12
12
11
11
11
12
14
16
18
20
22
23
23
23
23
22

Feels Like (°C)

16
15
13
12
11
10
10
11
11
12
12
12
12
13
14
16
17
19
21
21
22
21
20
20

Dew Point (°C)

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

Relative Humidity (%)

25
29
33
35
37
41
43
48
52
54
58
60
58
53
47
43
39
35
30
25
22
20
19
20

Pressure (mb)

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

Ozone (du)

385
388
387
391
396
403
405
393
388
389
391
393
394
394
393
392
392
391
390
391
390
387
387
384

Thursday 23

Waxing Crescent 54%

11:17

01:38

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

Sun - Rise: 05:23, Set: 19:00, Transit: 12:12. Moon - Rise: 11:17, Set: 01:38. Civil Dark: 19:28 - 04:55. Nautical Dark: 20:03 - 04:20. Astro Dark: 20:39 - 03:43

Total Clouds (% Sky Obscured)

2
40
40
31
76
80
62
55
37
66
45
71
99
100
100
99
100
100
100
72
43
20
27
50

Low Clouds (% Sky Obscured)

0
0
4
0
0
0
0
0
0
0
0
21
26
27
27
13
34
7
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
0
2
21
47
38
60
3
2
1
5
71
96
96
100
99
100
100
100
68
33
0
1
5

High Clouds (% Sky Obscured)

0
40
31
3
69
70
62
49
34
43
24
33
53
60
100
59
68
100
100
72
43
20
27
50

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
1
2
0
0
0
0
1
1
0
2
2

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)

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

Chance of Frost

Temperature (°C)

21
20
19
18
17
17
16
16
15
15
14
14
14
15
16
17
18
19
20
21
21
21
22
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

23
26
30
34
37
41
46
50
54
57
60
63
61
57
53
48
41
36
35
33
28
24
23
23

Pressure (mb)

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

Ozone (du)

383
382
383
385
386
387
386
385
388
391
393
396
399
404
412
415
416
417
420
425
428
426
424
422

Friday 24

First Quarter 51%

12:30

02:13

19 OK
20 OK
21 OK
22 Good
23 Good
00 Good
01 Good
02 OK
03 OK
04 OK
05 OK
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

Sun - Rise: 05:22, Set: 19:01, Transit: 12:12. Moon - Rise: 12:30, Set: 02:13. Civil Dark: 19:29 - 04:53. Nautical Dark: 20:04 - 04:18. Astro Dark: 20:41 - 03:41

Total Clouds (% Sky Obscured)

38
29
20
12
13
10
1
23
41
36
30
100
100
100
75
100
90
71
50
64
82
100
91
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
10
15
9
5
6
4
2
0
0
0

Medium Clouds (% Sky Obscured)

1
2
2
0
4
6
1
0
0
0
5
3
5
5
5
5
7
17
19
40
48
71
73
77

High Clouds (% Sky Obscured)

38
29
20
1
1
2
1
23
41
36
30
100
100
100
75
100
84
65
48
59
79
83
91
98

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
1
5
41

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)

5
6
6
6
6
5
5
4
3
3
3
2
2
3
4
4
5
6
8
10
10
11
11
9

Chance of Frost

Temperature (°C)

20
20
19
18
17
17
16
16
16
15
15
15
16
16
18
20
22
23
25
26
26
26
26
25

Feels Like (°C)

18
17
16
15
15
15
14
15
15
15
15
15
14
14
16
18
20
20
22
23
22
22
22
23

Dew Point (°C)

1
2
1
1
1
2
3
4
5
5
6
7
7
7
8
8
8
7
8
8
6
6
7
6

Relative Humidity (%)

27
30
30
32
34
37
41
44
47
51
53
56
56
54
51
45
41
36
33
30
28
28
29
30

Pressure (mb)

1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1012
1011
1010
1009
1008
1007
1006
1007

Ozone (du)

420
422
423
423
423
424
422
420
419
416
411
408
406
405
404
404
405
405
403
401
398
399
398
398

Saturday 25

Waxing Gibbous 65%

13:39

02:41

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
18 Bad

Sun - Rise: 05:20, Set: 19:02, Transit: 12:12. Moon - Rise: 13:39, Set: 02:41. Civil Dark: 19:31 - 04:52. Nautical Dark: 20:05 - 04:17. Astro Dark: 20:42 - 03:40

Total Clouds (% Sky Obscured)

92
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)

0
0
0
0
0
0
0
1
2
3
28
54
79
78
77
75
74
72
71
76
82
88
85
69

Medium Clouds (% Sky Obscured)

86
86
100
95
96
85
87
91
95
100
100
100
100
100
100
100
98
97
98
78
58
36
38
32

High Clouds (% Sky Obscured)

92
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
3
4
3
2
2
3
3
5
7
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

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

Precipitation Probability (%)

69
49
33
34
18
31
17
20
22
68
92
91
95
95
95
95
95
87
72
67
56
31
45
49

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0.5
0.9
0.8
1
1.2
0.7
0.8
0.7
0.5
0.3
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
23
22
21
20
20
19
19
18
18
17
17
17
17
17
17
17
17
18
18
18
19
19
18

Feels Like (°C)

21
20
18
18
18
18
17
17
17
17
17
16
16
16
17
16
17
17
17
17
17
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

34
41
46
44
46
52
58
62
62
61
68
77
74
76
77
79
81
76
71
66
63
61
58
61

Pressure (mb)

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

Ozone (du)

395
394
392
391
393
394
393
391
391
391
390
390
391
393
393
393
393
395
398
400
403
407
410
411

Sunday 26

Waxing Gibbous 75%

14:45

03:05

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 Good
08 Good
09 Good
10 Good
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:19, Set: 19:03, Transit: 12:12. Moon - Rise: 14:45, Set: 03:05. Civil Dark: 19:32 - 04:50. Nautical Dark: 20:07 - 04:15. Astro Dark: 20:44 - 03:38

Total Clouds (% Sky Obscured)

100
92
84
76
74
73
77
74
75
78
60
33
6
7
8
6
25
50
79
84
88
89
88
92

Low Clouds (% Sky Obscured)

39
67
45
35
18
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

26
40
56
63
63
62
61
49
36
11
5
2
0
1
3
4
4
5
5
15
24
34
23
11

High Clouds (% Sky Obscured)

100
77
52
32
29
32
35
28
17
0
0
0
0
0
0
0
1
3
4
3
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
7
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
86
95
95
95
83
79
84
82
66
47
29
9
9
7
2
4
5
4
19
26
31
26
19

Precipitation Amount (mm)

0
0.4
0.8
1.2
0.7
0.4
0.3
0.5
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
16
15
14
14
13
13
13
13
13
14
14
15
17
19
21
21
22
23
21
19
17
17

Feels Like (°C)

17
16
14
13
13
13
13
13
12
11
11
12
12
13
15
15
15
15
15
16
16
14
12
12

Dew Point (°C)

10
10
10
9
9
10
10
11
9
7
6
5
4
4
3
2
1
0
-1
-1
-3
-5
-7
-7

Relative Humidity (%)

62
64
67
70
74
78
82
84
76
68
61
56
50
47
39
33
27
24
22
20
19
18
18
18

Pressure (mb)

1009
1009
1010
1010
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1008
1007
1007
1008
1008
1009

Ozone (du)

412
413
412
411
410
415
420
425
433
441
448
448
447
447
444
441
437
435
433
431
430
429
428
428

Monday 27

Waxing Gibbous 84%

15:49

03:27

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

Sun - Rise: 05:18, Set: 19:04, Transit: 12:11. Moon - Rise: 15:49, Set: 03:27. Civil Dark: 19:33 - 04:49. Nautical Dark: 20:08 - 04:14. Astro Dark: 20:45 - 03:36

Total Clouds (% Sky Obscured)

95
67
33
0
11
23
34
41
47
53
45
39
35
55
75
98
67
33
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
5
8
5
3
0
4
7
11
7
4
0

Medium Clouds (% Sky Obscured)

0
3
15
0
10
23
34
32
36
37
37
38
35
55
64
74
49
29
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
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

Fog (%)

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

Precipitation Probability (%)

3
4
5
4
9
8
3
11
9
3
2
1
0
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
14
14
13
13
13
12
11
11
12
13
14
15
17
19
20
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

18
18
17
15
14
15
15
16
17
19
20
19
19
18
16
14
13
12
12

Pressure (mb)

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

Ozone (du)

429
430
430
430
430
426
423
419
420
421
421
421
421
421
419
416
413
409
406

Forecast for Wangfujing, China (39.90,116.41)

Generated: 21/04/26 19:24:27. Forecast: 21/04/26 to 27/04/26. Timezone: UTC+8.00