Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 1

Waxing Gibbous 100%

18:55

04:53

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
17 Bad

Sun - Rise: 05:07, Set: 19:04, Transit: 12:06. Moon - Rise: 18:55, Set: 04:53. Civil Dark: 19:34 - 04:38. Nautical Dark: 20:10 - 04:01. Astro Dark: 20:49 - 03:22

Total Clouds (% Sky Obscured)

100
98
99
97
100
100
100
100
100
100
100
100
100
100
99
100
100
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
17
19
15
11
13
10
7
6
14
16
17
16
24
27
80
79
75
65
83

Medium Clouds (% Sky Obscured)

68
88
89
87
92
100
89
80
85
71
54
99
100
100
96
95
98
96
88
100
100
100
100
100

High Clouds (% Sky Obscured)

100
87
95
81
97
97
100
100
100
100
100
100
100
100
98
100
100
100
76
91
100
100
95
80

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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
7
8
8
31
44
53
53
90

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
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

27
38
41
43
43
43
42
40
39
38
35
34
35
31
34
39
38
35
34
33
43
63
67
68

Pressure (mb)

1009
1010
1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007
1006
1006
1007
1007
1007

Ozone (du)

333
332
333
333
333
332
330
332
334
333
329
327
327
330
334
335
338
337
336
336
336
339
344
348

Saturday 2

Full Moon 99%

19:59

05:24

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

Sun - Rise: 05:06, Set: 19:05, Transit: 12:06. Moon - Rise: 19:59, Set: 05:24. Civil Dark: 19:35 - 04:36. Nautical Dark: 20:11 - 04:00. Astro Dark: 20:50 - 03:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
95
100
89
100
100
100
96
44
21
14
88
91
87
92
87
86
95
92
19

Low Clouds (% Sky Obscured)

92
94
94
97
23
3
3
1
1
0
0
0
0
0
1
48
56
56
21
21
18
22
18
13

Medium Clouds (% Sky Obscured)

100
100
100
100
100
95
100
87
100
100
100
86
4
15
14
37
77
72
79
63
42
68
52
19

High Clouds (% Sky Obscured)

100
100
100
90
56
60
60
60
100
100
100
96
44
16
2
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
7
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

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

Precipitation Probability (%)

95
91
84
77
47
14
5
3
0
0
0
0
0
0
0
11
26
27
52
33
25
22
12
2

Precipitation Amount (mm)

1.1
0.4
0.5
0.7
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
8
8
8
8
8
8
7
7
7
6
7
10
12
14
15
16
16
16
16
17
17
16

Feels Like (°C)

6
6
6
7
6
6
6
6
5
5
5
4
5
10
11
12
10
11
11
11
11
12
11
11

Dew Point (°C)

6
6
5
6
6
6
5
4
4
3
3
3
3
3
-0
-4
-6
-7
-9
-10
-10
-11
-13
-13

Relative Humidity (%)

78
81
81
87
88
85
79
78
77
77
76
78
76
62
42
30
24
20
17
15
15
13
12
12

Pressure (mb)

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

Ozone (du)

353
356
365
373
375
376
375
375
377
381
384
390
391
390
394
399
403
402
403
402
405
406
406
405

Sunday 3

Waning Gibbous 96%

21:01

06:01

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

Sun - Rise: 05:05, Set: 19:06, Transit: 12:06. Moon - Rise: 21:01, Set: 06:01. Civil Dark: 19:36 - 04:35. Nautical Dark: 20:12 - 03:58. Astro Dark: 20:52 - 03:19

Total Clouds (% Sky Obscured)

14
8
2
0
0
0
0
4
40
60
60
4
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

3
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)

14
8
2
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
0
3
28
60
60
3
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
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
4
3
2
2
2
3
3
3
3
3
3
3
3
4
5
6
6
7
9
10
9
9
8

Chance of Frost

Temperature (°C)

15
12
9
8
8
7
7
7
7
7
7
7
8
12
15
17
19
20
21
22
22
22
22
21

Feels Like (°C)

11
9
7
6
6
7
6
6
5
4
3
3
6
10
13
15
17
18
19
19
20
20
19
19

Dew Point (°C)

-12
-14
-14
-14
-14
-14
-14
-14
-14
-14
-15
-15
-13
-12
-11
-9
-7
-5
-4
-4
-4
-4
-4
-3

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

403
403
398
394
393
392
388
386
385
383
380
379
379
380
378
376
374
370
366
363
362
358
355
352

Monday 4

Waning Gibbous 92%

22:01

06:45

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

Sun - Rise: 05:03, Set: 19:07, Transit: 12:06. Moon - Rise: 22:01, Set: 06:45. Civil Dark: 19:37 - 04:34. Nautical Dark: 20:14 - 03:57. Astro Dark: 20:53 - 03:17

Total Clouds (% Sky Obscured)

1
0
1
12
5
2
2
2
2
0
0
1
1
7
11
20
33
29
7
10
67
77
36
28

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

High Clouds (% Sky Obscured)

0
0
0
4
2
0
0
0
0
0
0
0
0
1
2
4
9
8
6
7
31
54
36
28

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

Chance of Frost

Temperature (°C)

20
15
13
13
13
13
12
12
12
12
12
11
12
16
19
20
22
24
25
25
25
25
25
24

Feels Like (°C)

18
14
12
12
10
11
11
12
11
11
11
11
12
16
17
18
20
21
22
23
23
21
20
22

Dew Point (°C)

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

Relative Humidity (%)

23
33
38
39
37
38
39
39
41
44
46
49
49
40
35
32
28
25
24
24
24
23
23
24

Pressure (mb)

1009
1009
1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1007
1007
1006
1005
1005
1004
1003
1003
1003

Ozone (du)

347
346
345
344
345
345
345
345
346
344
342
340
340
341
340
339
337
336
333
332
333
335
335
334

Tuesday 5

Waning Gibbous 85%

22:55

07:36

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
17 Bad

Sun - Rise: 05:02, Set: 19:08, Transit: 12:06. Moon - Rise: 22:55, Set: 07:36. Civil Dark: 19:38 - 04:32. Nautical Dark: 20:15 - 03:56. Astro Dark: 20:55 - 03:15

Total Clouds (% Sky Obscured)

93
100
100
100
100
100
100
99
94
88
82
89
94
100
95
89
85
83
83
83
87
91
94
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
2
3
19
38
55
37
24
11
25
31
29
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
17
27
41
55
69
79
89
99
83
68
60
64
66
69
78
87
94
95

High Clouds (% Sky Obscured)

90
100
100
100
100
99
98
96
80
65
49
66
83
100
70
40
20
27
24
26
47
72
92
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
5
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
3
5
16
22
27
29
29
23
36
42
47
48

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

Chance of Frost

Temperature (°C)

23
20
18
19
21
20
19
18
15
14
14
13
14
16
18
19
20
22
21
21
20
18
16
14

Feels Like (°C)

21
17
16
15
16
15
15
15
13
12
12
12
12
14
16
16
17
17
18
18
19
18
17
18

Dew Point (°C)

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

Relative Humidity (%)

27
33
36
29
22
28
33
38
47
52
55
57
57
52
52
48
45
43
44
46
48
51
54
58

Pressure (mb)

1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1004
1004
1004
1005
1005
1006
1006
1006
1006
1007
1008
1009

Ozone (du)

334
334
332
329
329
328
327
327
327
328
326
325
325
328
329
330
330
331
330
330
330
329
328
328

Wednesday 6

Waning Gibbous 78%

23:41

08:34

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

Sun - Rise: 05:01, Set: 19:09, Transit: 12:06. Moon - Rise: 23:41, Set: 08:34. Civil Dark: 19:39 - 04:31. Nautical Dark: 20:16 - 03:54. Astro Dark: 20:56 - 03:14

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
90
83
74
62
48
36
38
43
46
54
53
55
50
40
20
11

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

72
68
64
33
30
22
25
20
17
13
6
3
1
0
0
0
0
4
8
12
38
40
20
11

High Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
82
63
50
44
48
35
24
26
16
15
18
5
0
0
0
1

ISS Passover

Visibility (miles)

6
8
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 (%)

47
45
31
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6

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

Chance of Frost

Temperature (°C)

12
10
9
9
8
8
7
7
7
7
7
7
9
11
13
14
16
17
18
18
19
19
18
18

Feels Like (°C)

17
15
14
5
5
5
5
5
5
5
5
5
3
1
0
12
13
12
13
13
14
15
14
14

Dew Point (°C)

5
5
5
4
4
3
2
1
-1
-1
-1
-2
-4
-7
-9
-10
-11
-12
-11
-10
-9
-8
-7
-6

Relative Humidity (%)

63
69
75
74
74
74
70
65
59
57
54
51
38
28
20
17
15
12
13
13
14
16
17
19

Pressure (mb)

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

Ozone (du)

329
330
331
335
338
341
341
342
342
343
345
347
349
350
352
353
354
355
355
355
355
356
357
358

Thursday 7

Waning Gibbous 69%

00:21

09:36

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

Sun - Rise: 05:00, Set: 19:10, Transit: 12:06. Moon - Rise: 00:21, Set: 09:36. Civil Dark: 19:40 - 04:30. Nautical Dark: 20:17 - 03:53. Astro Dark: 20:58 - 03:12

Total Clouds (% Sky Obscured)

8
9
36
68
100
68
36
5
20
34
49
33
16
0
0
0
0
2
4
6

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

8
9
36
44
27
18
9
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
4
36
68
100
68
36
5
20
34
49
33
16
0
0
0
0
2
4
6

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
None
None
None
None
None
None

Precipitation Probability (%)

7
4
9
6
2
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
14
12
11
10
8
8
8
8
7
7
7
9
12
14
15
17
18
19
20

Feels Like (°C)

14
14
14
8
9
9
9
8
8
7
6
6
6
6
6
13
13
12
12
13

Dew Point (°C)

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

Relative Humidity (%)

24
30
38
41
43
46
45
45
44
44
43
42
34
27
22
20
18
16
15
14

Pressure (mb)

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

Ozone (du)

362
366
369
370
370
371
373
375
377
386
395
404
405
405
406
405
404
403
402
401

Forecast for Hongshikeng, China (40.40,117.58)

Generated: 01/05/26 17:51:15. Forecast: 01/05/26 to 07/05/26. Timezone: UTC+8.00