Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 5%

09:24

18:41

03 Good
04 Good
05 Good
06 Good
07 Bad
08 Bad
09 Bad
10 Bad
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 Bad

Sun - Rise: 07:32, Set: 16:53, Transit: 12:12. Moon - Rise: 09:24, Set: 18:41. Civil Dark: 17:23 - 07:02. Nautical Dark: 17:57 - 06:28. Astro Dark: 18:30 - 05:55

Total Clouds (% Sky Obscured)

3
3
3
13
74
100
69
100
44
28
70
58
98
100
98
100
57
86
94
98
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
2
2
2
1
1
0
0
0
0
1
1
2
2
2
2
8
13
13
2
34

Medium Clouds (% Sky Obscured)

0
0
0
8
40
80
69
85
44
28
52
34
26
25
19
4
4
55
40
38
97
100
100
100

High Clouds (% Sky Obscured)

0
0
0
4
48
100
62
99
0
2
28
34
97
100
96
100
46
43
94
84
100
100
100
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
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
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)

2
2
2
2
2
2
2
2
2
2
1
1
1
1
2
2
3
2
2
2
2
1
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-16
-16
-16
-17
-17
-17
-17
-17
-16
-16
-15
-14
-14
-14
-14
-14
-14
-14
-15
-15
-15
-15
-15
-15

Relative Humidity (%)

39
40
41
41
41
41
39
37
35
33
32
33
33
34
35
35
37
38
38
38
39
39
39
39

Pressure (mb)

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

Ozone (du)

357
358
358
356
352
350
349
349
349
348
350
347
347
352
355
363
364
358
358
355
355
351
349
349

Tuesday 23

Waxing Crescent 10%

09:59

19:47

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

Sun - Rise: 07:33, Set: 16:53, Transit: 12:13. Moon - Rise: 09:59, Set: 19:47. Civil Dark: 17:24 - 07:02. Nautical Dark: 17:58 - 06:28. Astro Dark: 18:31 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
30
30
25
0
0
0
0
0
0
0
0
2
5
6
48
23
40
39
40

Low Clouds (% Sky Obscured)

97
80
45
25
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
99
100
100
30
30
25
0
0
0
0
0
0
0
0
0
3
3
20
2
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
30
30
25
0
0
0
0
0
0
0
0
2
2
2
48
23
40
39
40

ISS Passover

Visibility (miles)

9
1
1
3
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

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

Precipitation Probability (%)

49
79
53
28
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.8
0.2
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
4
2
1
1
2
3
4
7
8
9
11
10
10
8
7
5
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
40
46
50
53
54
54
51
44
36
33
31
31
30
32
33
34
36
38
39
39
39
38
38

Pressure (mb)

1023
1022
1022
1022
1023
1023
1024
1024
1024
1023
1022
1022
1023
1024
1025
1026
1026
1027
1028
1028
1028
1028
1028
1028

Ozone (du)

350
350
349
347
349
351
347
355
362
363
353
352
352
349
342
340
336
337
340
344
347
347
346
343

Wednesday 24

Waxing Crescent 17%

10:28

20:53

03 OK
04 Bad
05 Bad
06 OK
07 Good
08 Bad
09 Bad
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 Good
02 Good

Sun - Rise: 07:33, Set: 16:54, Transit: 12:13. Moon - Rise: 10:28, Set: 20:53. Civil Dark: 17:24 - 07:03. Nautical Dark: 17:58 - 06:29. Astro Dark: 18:31 - 05:56

Total Clouds (% Sky Obscured)

40
50
65
39
9
72
78
15
0
0
0
0
0
0
0
0
0
0
0
0
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
0
0
0

Medium Clouds (% Sky Obscured)

0
0
29
19
9
72
75
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

40
50
65
9
1
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
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
2
2
1
2
2
3
2
2
3
6
8
8
8
5
4
5
5
6
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
39
39
40
41
42
41
40
36
32
28
25
24
23
22
22
22
21
21
21
20
21
21
22

Pressure (mb)

1028
1027
1027
1027
1027
1028
1028
1029
1029
1027
1026
1026
1026
1026
1027
1028
1029
1030
1031
1032
1032
1033
1033
1033

Ozone (du)

342
341
344
348
349
351
349
349
352
353
355
356
355
356
358
360
361
362
365
366
365
370
375
378

Thursday 25

Waxing Crescent 25%

10:53

21:59

03 Good
04 Good
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
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 07:34, Set: 16:54, Transit: 12:14. Moon - Rise: 10:53, Set: 21:59. Civil Dark: 17:25 - 07:03. Nautical Dark: 17:59 - 06:29. Astro Dark: 18:32 - 05:56

Total 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

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
0
0
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
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
6
5
4
4
4
4
4
3
3
4
3
3
4
4
3
3
3
3
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-22
-23
-23
-23
-23
-24
-23
-22
-21
-22
-21
-21
-22
-22
-21
-21
-21
-21
-21
-21
-22
-22
-22
-22

Relative Humidity (%)

22
22
23
22
22
22
21
20
20
19
18
17
17
18
19
20
21
21
22
23
24
25
25
26

Pressure (mb)

1033
1033
1033
1033
1034
1034
1034
1034
1034
1033
1032
1031
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029

Ozone (du)

378
381
382
386
387
377
362
345
331
325
323
325
325
322
322
325
325
325
324
322
321
323
323
321

Friday 26

Waxing Crescent 35%

11:16

23:06

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

Sun - Rise: 07:34, Set: 16:55, Transit: 12:14. Moon - Rise: 11:16, Set: 23:06. Civil Dark: 17:25 - 07:04. Nautical Dark: 17:59 - 06:30. Astro Dark: 18:32 - 05:57

Total Clouds (% Sky Obscured)

1
6
13
7
2
2
2
2
30
58
82
90
85
80
82
85
87
81
76
74
63
69
65
70

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
30
58
82
74
50
28
46
66
87
81
76
74
63
69
65
70

High Clouds (% Sky Obscured)

0
2
3
4
1
1
1
2
30
58
82
84
72
61
53
45
41
31
34
40
40
55
65
70

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
2
2
2
2
2
2
2
2
2
1
2
2
1
1
1
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

-6
-7
-7
-8
-8
-9
-7
-6
-5
-3
-2
-1
-2
-2
-2
-2
-3
-3
-4
-4
-4
-4
-5
-5

Feels Like (°C)

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

Dew Point (°C)

-23
-23
-23
-23
-23
-24
-22
-22
-21
-21
-20
-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-20
-20

Relative Humidity (%)

25
26
27
27
27
28
28
27
25
24
24
24
24
25
26
27
27
28
28
29
29
29
30
30

Pressure (mb)

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

Ozone (du)

320
320
323
326
331
334
337
338
336
334
331
329
329
329
328
327
326
325
326
327
328
328
329
330

Saturday 27

Waxing Crescent 46%

11:39

00:14

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
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 Good
02 Good

Sun - Rise: 07:34, Set: 16:56, Transit: 12:15. Moon - Rise: 11:39, Set: 00:14. Civil Dark: 17:26 - 07:04. Nautical Dark: 18:00 - 06:30. Astro Dark: 18:33 - 05:57

Total Clouds (% Sky Obscured)

70
85
90
90
85
75
60
20
10
10
10
15
13
9
9
5
1
0
0
0
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
0
0
0

Medium Clouds (% Sky Obscured)

70
76
88
90
85
75
60
20
10
10
10
15
13
9
9
5
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

70
85
85
60
10
5
5
5
4
0
2
1
1
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)

2
2
2
2
2
2
2
2
2
2
1
1
1
2
2
2
2
3
2
2
2
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-20
-20
-20
-20
-20
-21
-20
-18
-17
-16
-14
-13
-13
-13
-13
-13
-14
-14
-14
-15
-15
-14
-14
-13

Relative Humidity (%)

30
30
30
31
31
30
30
29
29
28
28
28
29
30
31
33
34
34
35
36
37
40
43
47

Pressure (mb)

1024
1023
1023
1023
1023
1024
1024
1024
1025
1024
1023
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

330
330
330
335
340
345
344
344
343
343
343
343
338
333
328
329
330
331
334
337
340
342
344
347

Sunday 28

First Quarter 57%

12:02

01:24

Sun - Rise: 07:35, Set: 16:56, Transit: 12:15. Moon - Rise: 12:02, Set: 01:24. Civil Dark: 17:27 - 07:04. Nautical Dark: 18:01 - 06:30. Astro Dark: 18:34 - 05:57

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Wangfujing, China (39.90,116.41)

Generated: 22/12/25 03:05:13. Forecast: 22/12/25 to 28/12/25. Timezone: UTC+8.00