Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 11

Waning Crescent 33%

02:58

13:00

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

Sun - Rise: 05:41, Set: 18:48, Transit: 12:15. Moon - Rise: 02:58, Set: 13:00. Civil Dark: 19:15 - 05:13. Nautical Dark: 19:48 - 04:40. Astro Dark: 20:23 - 04:05

Total Clouds (% Sky Obscured)

73
73
100
68
69
59
75
60
58
47
36
15
100
98
36
44
54
71
70
100
100
100
99
63

Low Clouds (% Sky Obscured)

0
0
0
32
30
35
35
24
26
18
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
51
79
54
72
63

High Clouds (% Sky Obscured)

63
64
100
48
42
25
45
45
37
34
32
13
99
98
36
43
50
71
57
100
100
100
97
33

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
11
9
7
5
5
4
4
3
3
2
3
3
2
2
2
3
3
3
2
2
2
2
4

Chance of Frost

Temperature (°C)

20
18
16
15
13
13
12
12
11
10
10
9
9
9
10
11
14
16
18
21
23
24
25
25

Feels Like (°C)

15
14
12
10
9
9
9
8
7
7
7
8
7
6
7
9
13
13
16
18
20
21
22
22

Dew Point (°C)

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

Relative Humidity (%)

13
15
20
25
25
24
24
22
21
23
25
27
26
26
24
23
22
20
20
19
18
16
15
14

Pressure (mb)

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

Ozone (du)

339
338
339
338
337
337
336
336
338
338
339
339
338
339
340
342
343
341
339
339
341
343
343
346

Sunday 12

Waning Crescent 23%

03:25

14:07

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:39, Set: 18:49, Transit: 12:14. Moon - Rise: 03:25, Set: 14:07. Civil Dark: 19:16 - 05:11. Nautical Dark: 19:50 - 04:38. Astro Dark: 20:24 - 04:03

Total Clouds (% Sky Obscured)

69
86
89
92
100
100
100
88
64
74
82
100
100
100
100
100
100
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

0
0
0
0
2
0
0
0
0
40
61
71
74
96
88
87
67
70
60
51
58
60
55
58

Medium Clouds (% Sky Obscured)

69
86
89
92
100
100
100
83
38
67
77
91
97
100
100
100
99
95
100
100
100
100
96
83

High Clouds (% Sky Obscured)

30
25
32
74
100
100
100
61
53
45
54
100
100
100
100
100
100
100
100
100
100
100
84
84

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
2
1
3
13
1
5
0
0
0
0
0
0
0
0
0
0
1

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)

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

Chance of Frost

Temperature (°C)

25
24
23
22
20
18
18
17
17
16
16
15
14
14
14
15
15
16
16
17
18
18
18
18

Feels Like (°C)

21
21
19
19
18
16
15
13
12
11
11
11
10
10
10
11
11
12
12
13
14
15
15
15

Dew Point (°C)

-5
-5
-3
1
2
1
1
0
-1
-5
-5
-5
-6
-6
-8
-7
-7
-7
-6
-6
-5
-4
-4
-2

Relative Humidity (%)

14
14
18
26
29
30
32
31
29
23
23
25
24
23
20
21
20
19
20
20
21
22
22
25

Pressure (mb)

1010
1011
1011
1012
1013
1014
1014
1015
1015
1016
1016
1017
1017
1018
1019
1020
1020
1020
1020
1019
1018
1017
1016
1016

Ozone (du)

344
342
341
339
339
339
340
340
340
339
340
337
335
334
335
339
338
336
336
336
338
339
341
342

Monday 13

Waning Crescent 15%

03:50

15:15

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 OK
11 OK
12 Good
13 Good
14 Good
15 Good
16 Good

Sun - Rise: 05:38, Set: 18:50, Transit: 12:14. Moon - Rise: 03:50, Set: 15:15. Civil Dark: 19:18 - 05:10. Nautical Dark: 19:51 - 04:36. Astro Dark: 20:26 - 04:01

Total Clouds (% Sky Obscured)

98
99
92
93
100
85
51
85
83
86
90
87
93
91
66
55
79
45
23
15
15
15
1
1

Low Clouds (% Sky Obscured)

42
35
52
58
53
64
51
46
32
36
62
63
74
72
53
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

95
99
87
67
64
26
27
10
52
47
35
58
65
52
61
55
79
40
5
0
5
5
0
0

High Clouds (% Sky Obscured)

50
87
89
62
50
42
23
68
65
71
82
60
60
47
3
15
3
22
23
15
15
15
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
4
22
39
21
2
0
0
1
0
3
3

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
5
4
4
5
5
5
5
4
2
3
2
2
2
2
2
3
3
3
4
5
6
6
7

Chance of Frost

Temperature (°C)

18
17
16
15
14
14
13
12
12
11
10
10
10
10
10
11
12
13
15
16
18
19
20
20

Feels Like (°C)

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

Dew Point (°C)

-2
-1
-1
1
-0
-1
-2
-3
-3
-4
-5
-6
-6
-7
-8
-8
-8
-6
-4
-1
1
3
3
4

Relative Humidity (%)

26
29
31
37
36
36
36
36
36
36
35
33
31
30
27
25
25
26
28
30
31
32
33
33

Pressure (mb)

1015
1015
1015
1016
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1014
1013
1012
1011
1009
1009

Ozone (du)

342
343
344
349
351
346
349
350
349
351
355
357
360
363
366
368
366
363
364
365
366
363
365
365

Tuesday 14

Waning Crescent 8%

04:13

16:25

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

Sun - Rise: 05:36, Set: 18:51, Transit: 12:14. Moon - Rise: 04:13, Set: 16:25. Civil Dark: 19:19 - 05:08. Nautical Dark: 19:52 - 04:35. Astro Dark: 20:27 - 04:00

Total Clouds (% Sky Obscured)

0
0
4
4
4
9
71
71
67
38
41
41
2
3
4
9
18
30
45
65
75
72
64
56

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
5
7
5
2
0
0
0
0
0
0
0
0
0
0
0
1
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
29
59
42
23
0

High Clouds (% Sky Obscured)

0
0
1
2
1
2
15
10
15
10
10
5
2
3
4
9
18
30
45
60
60
62
54
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
19
43
72
53
10
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.7
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
19
18
17
16
14
14
13
13
12
12
11
12
13
13
16
18
20
22
23
24
25
26

Feels Like (°C)

19
19
19
18
18
16
14
13
11
12
11
11
11
13
14
15
17
19
21
23
23
24
23
24

Dew Point (°C)

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

Relative Humidity (%)

35
37
41
44
55
63
60
60
63
64
65
66
67
66
64
59
54
47
41
35
32
27
24
23

Pressure (mb)

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

Ozone (du)

365
365
365
362
360
358
356
356
356
357
359
359
359
362
366
366
362
361
360
359
357
357
358
358

Wednesday 15

Waning Crescent 3%

04:37

No Set

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:35, Set: 18:52, Transit: 12:14. Moon - Rise: 04:37, Set: No Set. Civil Dark: 19:20 - 05:07. Nautical Dark: 19:53 - 04:33. Astro Dark: 20:28 - 03:58

Total Clouds (% Sky Obscured)

64
73
80
82
100
99
100
100
100
100
100
100
100
100
100
100
100
100
95
88
83
88
94
100

Low Clouds (% Sky Obscured)

2
2
0
0
0
0
0
0
0
0
0
0
2
4
6
7
8
9
7
5
4
10
16
23

Medium Clouds (% Sky Obscured)

24
47
71
76
85
91
89
93
86
92
93
95
100
100
100
98
95
93
90
86
83
88
93
94

High Clouds (% Sky Obscured)

64
73
80
82
100
99
100
100
100
100
100
100
100
100
100
100
100
100
70
50
30
53
77
100

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
7
4

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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
14
16
15
22
27
37
53
52
37
43
48
40
35
42
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
25
23
22
20
19
18
17
16
15
15
14
14
14
14
14
14
15
16
17
18
19
18
19

Feels Like (°C)

24
23
22
22
19
16
15
14
14
12
12
12
11
12
12
11
11
11
11
11
11
12
18
18

Dew Point (°C)

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

Relative Humidity (%)

23
25
30
34
36
36
38
41
41
42
44
44
46
47
44
42
39
37
35
33
32
30
33
35

Pressure (mb)

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

Ozone (du)

357
358
356
356
353
351
352
354
356
355
354
356
355
355
356
356
361
366
371
371
371
371
372
372

Thursday 16

Waning Crescent 0%

05:03

17:37

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 OK
08 OK
09 OK
10 Good
11 OK
12 Good
13 Good
14 Good
15 Good
16 Good

Sun - Rise: 05:33, Set: 18:53, Transit: 12:13. Moon - Rise: 05:03, Set: 17:37. Civil Dark: 19:21 - 05:05. Nautical Dark: 19:54 - 04:31. Astro Dark: 20:30 - 03:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
93
88
86
90
94
98
79
59
38
28
23
15
24
16
4
3
2
0

Low Clouds (% Sky Obscured)

34
54
87
63
83
87
77
76
74
77
81
85
79
59
38
28
23
15
24
16
4
3
2
0

Medium Clouds (% Sky Obscured)

95
98
100
98
94
86
64
45
25
24
33
77
61
30
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
99
99
99
100
100
82
67
55
65
80
95
79
59
38
25
8
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
2
2
2
4
6
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

Light Rain
Light Rain
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

Precipitation Probability (%)

95
95
95
95
95
95
95
68
34
26
18
2
4
2
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.6
1.3
2.3
1.9
1.9
2.1
1
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
5
5
6
6
5
4
4
3
3
2
2
2
3
3
3
4
5
5
6
6
7

Chance of Frost

Temperature (°C)

19
18
17
16
16
15
15
14
14
14
13
13
13
13
14
14
16
18
19
21
22
23
23
24

Feels Like (°C)

19
21
22
23
13
13
13
12
12
11
12
12
12
11
11
11
15
16
16
17
18
18
24
24

Dew Point (°C)

5
7
8
10
11
11
11
10
9
9
8
8
8
7
6
6
5
4
3
1
0
-1
-1
-1

Relative Humidity (%)

38
47
56
67
72
75
79
76
74
71
71
72
72
66
61
57
47
39
32
27
23
19
19
19

Pressure (mb)

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

Ozone (du)

373
374
375
375
379
382
385
384
382
381
381
380
379
379
378
377
374
371
368
368
368
368
368
367

Friday 17

New Moon 1%

05:32

18:53

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

Sun - Rise: 05:32, Set: 18:54, Transit: 12:13. Moon - Rise: 05:32, Set: 18:53. Civil Dark: 19:22 - 05:04. Nautical Dark: 19:56 - 04:30. Astro Dark: 20:31 - 03:54

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
2
4
6
4
2
0
11
20
28
19
10
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
4
6
4
2
0
11
20
28
19
10
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
23
22
21
20
19
18
17
17
16
15
14
13
14
14
15
17
20
22
24
26

Feels Like (°C)

24
23
24
23
19
20
20
19
19
18
15
15
15
14
14
14
17
19
20
21
22

Dew Point (°C)

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

Relative Humidity (%)

19
22
27
32
35
39
44
47
49
52
54
56
59
57
53
51
45
39
33
29
25

Pressure (mb)

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

Ozone (du)

366
366
366
367
368
370
372
369
365
362
362
362
362
360
358
356
357
357
357
355
353

Forecast for Wangfujing, China (39.90,116.41)

Generated: 11/04/26 17:42:01. Forecast: 11/04/26 to 17/04/26. Timezone: UTC+8.00