Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

Waxing Crescent 20%

08:44

23:55

12 Good
13 OK
14 Bad
15 Bad
16 Bad
17 OK
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 OK
10 Bad
11 Good

Sun - Rise: 05:20, Set: 18:54, Transit: 12:08. Moon - Rise: 08:44, Set: 23:55. Civil Dark: 19:23 - 04:52. Nautical Dark: 19:57 - 04:17. Astro Dark: 20:34 - 03:40

Total Clouds (% Sky Obscured)

4
24
76
90
92
45
97
93
96
100
100
99
95
95
100
100
100
81
93
69
57
27
53
13

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
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
70
90
80
86
97
92
91
97
100
99
81
90
66
32
25
12
9

High Clouds (% Sky Obscured)

4
24
74
90
92
40
97
93
96
100
100
15
15
17
25
99
100
81
79
5
17
2
13
1

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 (%)

2
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)

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

Chance of Frost

Temperature (°C)

19
19
19
19
19
18
16
13
11
10
10
10
9
9
8
9
9
8
8
10
13
15
16
17

Feels Like (°C)

15
15
15
14
13
13
12
9
8
8
8
7
6
6
6
6
6
5
6
8
11
11
14
13

Dew Point (°C)

-12
-10
-10
-12
-12
-9
-6
-4
-2
-1
0
1
0
0
0
-0
-1
-1
-0
0
-2
-4
-4
-3

Relative Humidity (%)

11
13
12
11
11
15
21
29
39
47
49
53
55
56
57
54
53
54
56
49
34
28
25
25

Pressure (mb)

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

Ozone (du)

359
359
361
364
362
361
361
361
362
362
363
363
365
369
370
370
382
383
378
376
380
387
388
387

Wednesday 22

Waxing Crescent 31%

09:56

00:51

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

Sun - Rise: 05:19, Set: 18:55, Transit: 12:08. Moon - Rise: 09:56, Set: 00:51. Civil Dark: 19:24 - 04:50. Nautical Dark: 19:58 - 04:15. Astro Dark: 20:35 - 03:38

Total Clouds (% Sky Obscured)

3
20
42
66
61
45
65
63
90
93
65
100
100
100
88
9
1
18
6
9
17
15
16
15

Low Clouds (% Sky Obscured)

0
14
22
19
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
15
16
15

Medium Clouds (% Sky Obscured)

3
2
12
15
4
4
6
0
0
0
2
8
11
9
3
0
0
4
6
9
17
12
16
15

High Clouds (% Sky Obscured)

0
0
1
29
43
41
56
63
82
89
49
100
100
100
87
7
0
18
2
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)

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

Chance of Frost

Temperature (°C)

18
18
18
18
17
17
15
12
11
11
10
9
9
9
9
8
8
8
8
11
13
15
17
19

Feels Like (°C)

15
15
15
15
14
13
13
10
8
8
7
7
7
7
7
7
9
8
9
12
13
15
17
18

Dew Point (°C)

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

Relative Humidity (%)

24
25
25
25
26
29
37
47
51
55
61
64
67
70
74
78
82
85
84
71
61
53
45
37

Pressure (mb)

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

Ozone (du)

384
383
383
384
382
380
379
381
385
389
391
396
397
400
402
401
394
390
390
394
392
392
393
391

Thursday 23

Waxing Crescent 42%

11:11

01:35

12 Good
13 Good
14 Good
15 Good
16 Good
17 OK
18 OK
19 OK
20 OK
21 OK
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: 05:18, Set: 18:56, Transit: 12:08. Moon - Rise: 11:11, Set: 01:35. Civil Dark: 19:25 - 04:49. Nautical Dark: 20:00 - 04:14. Astro Dark: 20:37 - 03:37

Total Clouds (% Sky Obscured)

9
5
5
2
1
20
23
25
29
26
62
77
75
91
99
93
96
99
95
100
98
95
92
95

Low Clouds (% Sky Obscured)

9
0
0
0
0
20
23
25
26
18
10
14
18
15
16
19
12
10
0
0
4
9
16
18

Medium Clouds (% Sky Obscured)

9
5
0
0
0
2
2
2
8
18
0
2
3
3
42
80
42
76
90
55
51
45
45
46

High Clouds (% Sky Obscured)

0
0
1
1
0
0
3
3
2
4
54
72
64
86
98
83
84
97
68
100
94
87
81
87

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)

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

Chance of Frost

Temperature (°C)

20
21
21
21
20
19
18
15
14
13
13
13
12
12
11
10
10
10
11
13
16
19
21
22

Feels Like (°C)

19
19
19
19
18
18
17
14
14
13
13
11
10
10
9
9
9
9
9
12
15
17
19
20

Dew Point (°C)

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

Relative Humidity (%)

33
30
30
30
31
33
40
49
50
52
52
54
56
61
65
69
73
74
71
59
48
38
30
25

Pressure (mb)

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

Ozone (du)

391
390
389
389
388
387
386
386
384
383
382
385
388
390
391
391
392
395
398
402
410
413
418
419

Friday 24

First Quarter 54%

No Rise

02:09

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

Sun - Rise: 05:16, Set: 18:57, Transit: 12:07. Moon - Rise: No Rise, Set: 02:09. Civil Dark: 19:26 - 04:47. Nautical Dark: 20:01 - 04:12. Astro Dark: 20:38 - 03:35

Total Clouds (% Sky Obscured)

97
100
87
86
85
57
23
0
10
22
63
57
49
50
43
43
58
81
90
97
89
80
72
78

Low Clouds (% Sky Obscured)

20
17
11
6
2
2
1
0
10
22
28
8
5
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

66
75
46
34
26
17
12
0
0
0
0
0
0
0
0
0
0
10
28
91
40
65
4
5

High Clouds (% Sky Obscured)

94
98
87
86
85
57
23
0
0
0
5
5
5
5
3
6
14
31
48
64
50
39
26
18

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

Chance of Frost

Temperature (°C)

23
23
24
23
22
21
19
16
15
15
15
14
14
13
12
12
11
11
11
13
14
16
17
19

Feels Like (°C)

20
20
20
21
21
20
19
16
16
16
15
13
12
11
11
10
10
9
10
11
12
14
15
17

Dew Point (°C)

1
1
2
2
3
5
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
9
8

Relative Humidity (%)

22
23
23
25
28
36
45
56
59
59
59
61
63
66
70
72
75
77
79
70
67
59
59
51

Pressure (mb)

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

Ozone (du)

421
424
424
423
422
421
419
418
417
418
415
413
411
409
408
407
407
406
405
405
402
401
400
400

Saturday 25

Waxing Gibbous 65%

12:24

02:37

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: 05:15, Set: 18:58, Transit: 12:07. Moon - Rise: 12:24, Set: 02:37. Civil Dark: 19:27 - 04:46. Nautical Dark: 20:02 - 04:11. Astro Dark: 20:40 - 03:33

Total Clouds (% Sky Obscured)

75
77
82
92
100
99
61
46
90
96
100
99
98
97
99
98
97
97
97
96
95
93
75
45

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
11
15
16
20
25
21
0
1
2
3
1
0
0
0
0
2

Medium Clouds (% Sky Obscured)

5
5
27
57
80
80
61
46
86
93
100
79
59
38
78
38
14
9
0
0
0
0
5
13

High Clouds (% Sky Obscured)

15
12
41
72
100
80
29
4
40
71
100
98
95
93
85
71
57
71
85
96
95
93
75
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
3
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
4
69
95
70
26
22
19
16
6
2
3
3
7
7
2
7
8
6
8

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
1.4
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
8
8
7
7
7
7
8
10
10
7
3
1
2
2
2
2
3
1
0
-1
-3
-4
-5

Relative Humidity (%)

52
47
43
39
36
37
41
57
73
74
62
49
45
55
59
59
60
60
51
43
37
31
27
23

Pressure (mb)

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

Ozone (du)

399
398
399
399
400
398
398
396
397
397
397
395
395
399
400
400
399
399
400
401
402
408
413
418

Sunday 26

Waxing Gibbous 75%

13:33

03:01

12 OK
13 Good
14 OK
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: 05:14, Set: 18:59, Transit: 12:07. Moon - Rise: 13:33, Set: 03:01. Civil Dark: 19:28 - 04:44. Nautical Dark: 20:03 - 04:09. Astro Dark: 20:41 - 03:31

Total Clouds (% Sky Obscured)

27
17
35
56
76
84
93
100
100
100
100
100
99
99
98
89
66
55
56
59
65
68
72
83

Low Clouds (% Sky Obscured)

12
17
23
23
15
23
32
41
50
61
5
6
7
17
15
15
12
12
12
10
6
7
3
0

Medium Clouds (% Sky Obscured)

8
0
14
28
45
63
79
95
97
98
100
95
93
85
55
27
2
1
1
0
0
1
13
39

High Clouds (% Sky Obscured)

27
16
21
31
40
79
93
100
100
100
100
99
98
97
86
76
65
43
22
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

7
1
1
1
0
4
7
9
15
20
26
42
56
79
95
95
95
81
50
9
25
23
19
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
1
1.3
0.6
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
13
16
15
15
16
15
15
8
9
9
10
9
10
7
7
7
7
7
6
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

22
20
20
21
22
24
28
33
39
43
47
52
51
50
50
50
50
51
43
37
31
25
20
16

Pressure (mb)

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

Ozone (du)

420
421
423
423
422
421
421
421
421
420
419
419
417
415
414
411
408
405
406
406
406
405
404
404

Monday 27

Waxing Gibbous 84%

14:40

03:22

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

Sun - Rise: 05:12, Set: 19:00, Transit: 12:07. Moon - Rise: 14:40, Set: 03:22. Civil Dark: 19:29 - 04:43. Nautical Dark: 20:05 - 04:08. Astro Dark: 20:43 - 03:29

Total Clouds (% Sky Obscured)

90
98
79
60
41
61
80
100
100
100
100
100
100
100
97
94
91
92
93
93

Low Clouds (% Sky Obscured)

5
48
32
16
0
12
24
36
48
61
74
79
84
89
87
85
84
76
68
61

Medium Clouds (% Sky Obscured)

63
83
70
55
41
48
48
39
12
13
19
45
69
90
89
86
86
81
85
90

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
32
64
96
76
55
35
48
61
74

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

25
21
26
30
29
20
8
2
20
24
20
33
39
40
53
65
80
66
52
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
0.5
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
13
15
14
13
14
13
13
6
6
7
7
6
6
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

16
16
16
18
19
22
29
37
49
51
53
55
54
53
52
52
51
51
50
48

Pressure (mb)

1009
1008
1008
1008
1008
1008
1008
1009
1010
1010
1010
1009
1009
1008
1007
1007
1007
1006
1006
1007

Ozone (du)

402
400
399
397
395
393
390
387
384
383
382
381
379
377
376
374
371
369
368
367

Forecast for Hongshikeng, China (40.40,117.58)

Generated: 21/04/26 12:32:39. Forecast: 21/04/26 to 27/04/26. Timezone: UTC+8.00