Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Waxing Gibbous 100%

15:41

No Set

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
03 Good
04 Good
05 Good
06 OK

Sun - Rise: 07:16, Set: 16:43, Transit: 11:59. Moon - Rise: 15:41, Set: No Set. Civil Dark: 17:13 - 06:47. Nautical Dark: 17:47 - 06:13. Astro Dark: 18:20 - 05:40

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
1
4
37

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
2
25

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
1
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-20
-19
-20
-20
-20
-20
-20
-19
-19
-18
-18
-17
-17
-17
-18
-18
-18
-18
-19
-19
-19
-19
-19
-20

Relative Humidity (%)

41
41
35
32
30
29
27
27
29
32
39
41
42
42
41
40
39
39
38
38
37
36
35
35

Pressure (mb)

1028
1028
1029
1030
1030
1029
1028
1028
1028
1029
1030
1030
1031
1031
1032
1032
1032
1031
1031
1031
1030
1029
1029
1028

Ozone (du)

346
351
354
356
359
361
359
351
346
345
347
347
337
330
326
322
317
314
316
316
313
311
311
315

Friday 5

Full Moon 99%

16:36

07:41

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

Sun - Rise: 07:17, Set: 16:43, Transit: 12:00. Moon - Rise: 16:36, Set: 07:41. Civil Dark: 17:13 - 06:47. Nautical Dark: 17:47 - 06:13. Astro Dark: 18:20 - 05:40

Total Clouds (% Sky Obscured)

36
26
21
10
19
3
1
8
48
60
60
60
55
47
6
3
0
6
48
77
11
4
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
3
0
0
0

Medium Clouds (% Sky Obscured)

31
20
16
7
19
3
0
3
37
50
55
55
50
42
3
3
0
0
0
17
11
1
0
0

High Clouds (% Sky Obscured)

1
1
3
0
3
0
1
2
12
43
40
40
28
3
0
0
0
3
48
75
4
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
3
5
7
7
7
6
6
5
4
4
4
3
3
3
3
3
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-20
-20
-19
-19
-18
-18
-17
-17
-16
-15
-14
-14
-14
-15
-15
-15
-15
-15
-16
-16
-16
-17
-17
-17

Relative Humidity (%)

34
33
30
26
25
25
26
28
32
39
45
45
43
43
43
43
43
43
41
41
38
38
37
37

Pressure (mb)

1028
1027
1026
1025
1024
1022
1021
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1015
1015
1015
1015
1014
1014
1014

Ozone (du)

311
310
308
308
307
305
306
309
312
309
311
317
322
325
322
321
323
325
326
330
329
332
334
335

Saturday 6

Waning Gibbous 95%

17:43

08:54

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
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:18, Set: 16:43, Transit: 12:00. Moon - Rise: 17:43, Set: 08:54. Civil Dark: 17:13 - 06:48. Nautical Dark: 17:47 - 06:14. Astro Dark: 18:20 - 05:41

Total Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
5
3
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
7
5
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-16
-16
-15
-14
-13
-13
-12
-12
-11
-11
-11
-11
-12
-12
-12
-12
-12
-11
-11
-11
-11
-11
-11
-12

Relative Humidity (%)

37
38
37
33
32
30
31
31
34
43
47
47
45
45
45
45
47
49
50
51
52
53
54
53

Pressure (mb)

1014
1015
1015
1015
1015
1014
1014
1014
1014
1015
1016
1017
1017
1017
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020

Ozone (du)

328
328
328
323
323
327
326
326
325
326
329
327
327
331
329
330
330
334
341
341
341
342
349
351

Sunday 7

Waning Gibbous 89%

18:58

09:53

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
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:19, Set: 16:43, Transit: 12:01. Moon - Rise: 18:58, Set: 09:53. Civil Dark: 17:13 - 06:49. Nautical Dark: 17:47 - 06:15. Astro Dark: 18:20 - 05:42

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
5
8
10
11
12
14
13
12
11
12
10
9
7
6
6
6
5
5
4
4
4
3
3

Chance of Frost

Temperature (°C)

-4
-4
-1
0
1
1
1
-1
-2
-3
-5
-5
-6
-6
-7
-7
-7
-8
-8
-8
-9
-9
-9
-9

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-12
-12
-13
-15
-17
-19
-18
-19
-19
-17
-16
-16
-16
-16
-16
-17
-16
-17
-17
-17
-18
-18

Relative Humidity (%)

53
51
42
39
36
31
25
24
26
29
32
40
44
45
48
49
48
48
51
51
51
50
48
47

Pressure (mb)

1021
1022
1022
1023
1023
1023
1023
1023
1024
1026
1027
1029
1030
1031
1032
1033
1034
1034
1034
1035
1035
1035
1035
1035

Ozone (du)

356
357
352
345
342
341
344
341
343
344
343
353
361
364
358
349
347
346
345
343
342
338
333
329

Monday 8

Waning Gibbous 80%

20:15

10:38

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
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:20, Set: 16:43, Transit: 12:01. Moon - Rise: 20:15, Set: 10:38. Civil Dark: 17:13 - 06:50. Nautical Dark: 17:47 - 06:16. Astro Dark: 18:20 - 05:43

Total Clouds (% Sky Obscured)

0
0
0
0
1
5
4
3
13
2
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
2
1
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
3
4
5
5
5
4
4
3
3
3
3
3
3
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-18
-19
-19
-20
-21
-21
-21
-21
-21
-19
-18
-18
-18
-19
-20
-20
-20
-21
-21
-21
-21
-21
-21
-20

Relative Humidity (%)

46
43
35
28
24
22
21
21
22
28
36
38
39
37
35
33
32
31
30
29
29
29
30
31

Pressure (mb)

1035
1035
1035
1034
1034
1032
1031
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1029
1029
1029

Ozone (du)

327
326
326
323
321
322
324
326
330
331
330
330
333
336
334
333
332
330
327
325
326
327
328
328

Tuesday 9

Waning Gibbous 70%

21:29

11:13

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

Sun - Rise: 07:20, Set: 16:43, Transit: 12:02. Moon - Rise: 21:29, Set: 11:13. Civil Dark: 17:13 - 06:51. Nautical Dark: 17:47 - 06:17. Astro Dark: 18:20 - 05:44

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
11
24
41
49
62
70
70
60
55
50
40
20
10
5

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
1
1
15
31
46
59
60
55
50
40
20
10
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
9
24
40
32
37
25
20
20
5
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
3
3
4
4
4
3
2
2
3
3
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-20
-19
-18
-17
-16
-16
-15
-15
-15
-14
-14
-15
-15
-16
-17
-17
-18
-17
-17
-16
-15
-15
-14
-14

Relative Humidity (%)

32
33
30
28
26
26
26
26
30
35
40
39
38
38
37
34
34
34
35
36
38
39
43
42

Pressure (mb)

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

Ozone (du)

329
329
331
332
334
333
332
330
330
330
331
324
318
312
309
307
305
303
301
299
300
302
303
304

Wednesday 10

Waning Gibbous 60%

22:39

11:41

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

Sun - Rise: 07:21, Set: 16:43, Transit: 12:02. Moon - Rise: 22:39, Set: 11:41. Civil Dark: 17:13 - 06:52. Nautical Dark: 17:47 - 06:17. Astro Dark: 18:20 - 05:44

Total Clouds (% Sky Obscured)

5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
4
4
5

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)

5
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

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)

3
3
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
41
36
32
29
28
28
28
33
40
47
47
47
47
49
50
52
54
56

Pressure (mb)

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

Ozone (du)

306
307
308
308
309
309
309
309
309
308
307
306
305
303
301
298
295
296
297

Forecast for Hongshikeng, China (40.40,117.58)

Generated: 04/12/25 07:00:07. Forecast: 04/12/25 to 10/12/25. Timezone: UTC+8.00