Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 11

Waning Gibbous 50%

23:45

12:05

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

Sun - Rise: 07:22, Set: 16:43, Transit: 12:02. Moon - Rise: 23:45, Set: 12:05. Civil Dark: 17:13 - 06:52. Nautical Dark: 17:48 - 06:18. Astro Dark: 18:21 - 05:45

Total Clouds (% Sky Obscured)

0
0
11
15
35
39
55
31
33
22
11
40
80
100
100
100
100
100
70
100
95
100
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
12
0
0
0
0
34
79
75
87

Medium Clouds (% Sky Obscured)

0
0
0
3
22
39
54
31
33
22
11
27
14
30
76
100
100
100
55
55
74
100
97
76

High Clouds (% Sky Obscured)

0
0
5
9
8
0
0
0
0
0
0
13
63
100
100
100
100
25
20
100
15
82
17
66

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-9
-8
-8
-8
-7
-6
-7
-6
-7
-9
-9
-9
-11
-11
-11
-11
-11
-12
-12
-12
-12
-12
-12

Dew Point (°C)

-13
-14
-16
-18
-19
-19
-20
-20
-21
-21
-21
-21
-21
-20
-18
-17
-17
-17
-18
-19
-19
-19
-19
-19

Relative Humidity (%)

59
55
42
36
31
28
26
25
24
27
31
31
31
34
41
46
48
46
46
43
40
39
39
39

Pressure (mb)

1031
1033
1034
1034
1035
1034
1034
1034
1035
1035
1037
1037
1038
1038
1039
1039
1039
1039
1039
1039
1039
1039
1038
1038

Ozone (du)

329
331
327
323
323
323
321
321
325
329
331
331
334
335
332
332
338
338
333
331
330
331
330
327

Friday 12

Third Quarter 40%

00:47

12:26

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

Sun - Rise: 07:23, Set: 16:43, Transit: 12:03. Moon - Rise: 00:47, Set: 12:26. Civil Dark: 17:14 - 06:53. Nautical Dark: 17:48 - 06:19. Astro Dark: 18:21 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
100
100
99
83
84

Low Clouds (% Sky Obscured)

91
94
98
96
93
93
91
93
96
92
95
90
91
89
91
85
90
90
67
66
49
47
48
35

Medium Clouds (% Sky Obscured)

97
100
100
91
100
100
100
100
100
100
100
100
100
100
99
100
100
91
95
100
100
97
27
24

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
52
50
50
34
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1

Fog (%)

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

Precipitation Type

None
Snow
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None

Precipitation Probability (%)

16
30
41
48
56
56
49
40
49
56
57
63
50
49
56
50
52
47
39
33
35
28
22
5

Precipitation Amount (mm)

0
0.2
0.2
0.2
0.2
0.2
0.2
0
0.2
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-8
-8
-8
-8
-8
-8
-8
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-8
-8
-9
-8
-8
-8
-8

Feels Like (°C)

-12
-12
-12
-12
-12
-11
-11
-11
-11
-11
-11
-11
-11
-12
-12
-12
-12
-12
-12
-12
-12
-11
-11
-12

Dew Point (°C)

-19
-19
-17
-15
-11
-10
-10
-10
-10
-9
-10
-9
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10

Relative Humidity (%)

39
42
45
57
78
82
83
83
82
85
85
88
87
87
87
88
87
88
88
90
88
90
88
88

Pressure (mb)

1039
1038
1039
1038
1038
1037
1035
1034
1034
1034
1034
1034
1034
1034
1033
1033
1033
1032
1032
1032
1031
1030
1029
1029

Ozone (du)

326
325
322
322
322
321
323
320
320
321
323
324
325
323
324
328
329
334
333
333
336
343
348
348

Saturday 13

Waning Crescent 37%

01:49

12:46

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

Sun - Rise: 07:24, Set: 16:43, Transit: 12:03. Moon - Rise: 01:49, Set: 12:46. Civil Dark: 17:14 - 06:54. Nautical Dark: 17:48 - 06:19. Astro Dark: 18:21 - 05:46

Total Clouds (% Sky Obscured)

86
80
69
55
50
60
65
60
48
8
3
0
0
1
0
1
1
0
1
0
1
1
3
10

Low Clouds (% Sky Obscured)

22
7
3
8
15
40
40
13
2
2
0
0
0
1
0
1
1
0
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

35
20
38
37
37
40
45
50
34
2
1
0
0
1
0
0
0
0
1
0
0
1
3
10

High Clouds (% Sky Obscured)

0
4
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
10

ISS Passover

Visibility (miles)

2
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 (%)

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

Chance of Frost

Temperature (°C)

-9
-8
-7
-6
-5
-5
-5
-5
-5
-5
-8
-9
-9
-9
-10
-10
-10
-10
-10
-11
-11
-11
-11
-11

Feels Like (°C)

-12
-12
-11
-10
-10
-9
-9
-9
-9
-9
-10
-11
-11
-11
-11
-12
-12
-12
-12
-12
-12
-13
-13
-14

Dew Point (°C)

-10
-10
-11
-13
-13
-13
-13
-13
-14
-14
-13
-13
-13
-13
-13
-13
-13
-14
-14
-15
-15
-15
-15
-15

Relative Humidity (%)

88
87
76
55
52
50
51
52
49
52
71
72
71
72
75
78
78
75
72
70
72
70
72
72

Pressure (mb)

1029
1029
1028
1028
1028
1027
1026
1026
1026
1026
1027
1028
1028
1028
1029
1029
1029
1028
1028
1028
1028
1027
1027
1027

Ozone (du)

350
358
370
377
384
391
393
388
387
382
381
375
370
369
365
364
371
379
381
378
375
370
360
356

Sunday 14

Waning Crescent 30%

02:50

13:06

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

Sun - Rise: 07:24, Set: 16:43, Transit: 12:04. Moon - Rise: 02:50, Set: 13:06. Civil Dark: 17:14 - 06:54. Nautical Dark: 17:48 - 06:20. Astro Dark: 18:21 - 05:47

Total Clouds (% Sky Obscured)

15
14
2
2
3
0
0
0
0
0
0
0
0
0
0
0
6
13
22
33
39
44
30
60

Low Clouds (% Sky Obscured)

0
0
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

15
14
2
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
11
32
30
38

High Clouds (% Sky Obscured)

10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
13
22
33
39
44
30
29

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)

3
3
3
3
4
4
4
4
4
3
3
3
2
3
2
2
3
3
3
3
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-13
-10
-6
-5
-4
-4
-3
-4
-6
-9
-9
-10
-10
-10
-10
-9
-9
-9
-9
-9
-9
-9
-9

Dew Point (°C)

-15
-14
-15
-15
-15
-15
-15
-15
-15
-12
-12
-13
-13
-14
-15
-15
-14
-14
-14
-14
-14
-14
-14
-14

Relative Humidity (%)

66
65
54
43
39
37
36
36
38
54
70
70
65
60
58
59
61
61
63
63
63
61
60
60

Pressure (mb)

1027
1026
1026
1025
1025
1023
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022

Ozone (du)

361
362
361
360
362
362
358
357
353
351
350
348
348
346
343
339
339
343
347
354
353
355
356
359

Monday 15

Waning Crescent 22%

03:52

13:28

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

Sun - Rise: 07:25, Set: 16:44, Transit: 12:04. Moon - Rise: 03:52, Set: 13:28. Civil Dark: 17:14 - 06:55. Nautical Dark: 17:49 - 06:21. Astro Dark: 18:22 - 05:48

Total Clouds (% Sky Obscured)

41
89
88
78
46
95
87
64
33
10
4
2
1
1
1
1
1
1
0
22
44
71
78
92

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
1
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

41
56
80
78
46
80
73
48
24
0
0
0
0
0
0
1
1
0
0
2
3
5
6
32

High Clouds (% Sky Obscured)

2
6
11
11
15
31
15
10
1
0
0
0
0
0
0
1
1
0
0
22
44
61
45
31

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-14
-14
-13
-13
-13
-12
-12
-11
-9
-9
-9
-9
-10
-10
-11
-11
-11
-12
-12
-12
-13
-12
-12

Relative Humidity (%)

59
59
48
41
36
35
37
40
46
60
77
79
80
76
74
73
71
68
64
63
61
60
60
60

Pressure (mb)

1022
1022
1021
1021
1020
1019
1018
1017
1018
1019
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1024
1024

Ozone (du)

360
355
350
348
347
347
344
341
340
337
337
341
344
343
345
347
348
344
339
335
334
333
331
333

Tuesday 16

Waning Crescent 14%

04:54

13:53

07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 OK
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 OK
03 OK
04 OK
05 Good
06 Good

Sun - Rise: 07:26, Set: 16:44, Transit: 12:05. Moon - Rise: 04:54, Set: 13:53. Civil Dark: 17:15 - 06:56. Nautical Dark: 17:49 - 06:21. Astro Dark: 18:22 - 05:48

Total Clouds (% Sky Obscured)

97
75
49
26
24
34
55
55
60
60
64
68
76
68
69
66
64
54
48
38
30
25
16
8

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

37
40
44
26
24
34
53
53
49
51
42
31
19
35
55
66
64
54
48
38
30
25
16
8

High Clouds (% Sky Obscured)

5
0
2
5
10
10
18
25
30
39
44
68
71
40
35
19
10
5
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
1
1
1
1
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
4
4
4
4
3
3
2
2
2
2
2
2
1
1
1
1
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
60
49
42
34
34
33
34
41
50
62
60
60
60
61
64
64
64
66
68
65
62
60
59

Pressure (mb)

1025
1026
1026
1026
1026
1025
1025
1024
1025
1026
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1028

Ozone (du)

334
335
331
327
323
322
321
320
321
321
322
322
323
323
322
321
319
317
315
313
312
312
312
312

Wednesday 17

Waning Crescent 8%

05:56

14:22

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

Sun - Rise: 07:26, Set: 16:44, Transit: 12:05. Moon - Rise: 05:56, Set: 14:22. Civil Dark: 17:15 - 06:56. Nautical Dark: 17:49 - 06:22. Astro Dark: 18:22 - 05:49

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
10
21
31
35
39
41
59
77
95

Low Clouds (% Sky Obscured)

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
6
12
19
19
22
24
34
45
60

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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-12
-11
-12
-11
-11
-10
-9
-8
-7
-8
-9
-9
-9
-9
-10
-10
-10

Relative Humidity (%)

58
56
48
43
37
37
37
37
46
55
67
67
64
64
63
60
59
58
57

Pressure (mb)

1028
1028
1028
1027
1026
1025
1024
1023
1024
1025
1025
1025
1026
1026
1026
1026
1025
1025
1025

Ozone (du)

312
312
312
312
312
313
314
315
316
318
319
320
320
321
321
320
320
321
321

Forecast for Hongshikeng, China (40.40,117.58)

Generated: 11/12/25 07:47:40. Forecast: 11/12/25 to 17/12/25. Timezone: UTC+8.00