Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

First Quarter 57%

12:22

01:20

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

Sun - Rise: 07:32, Set: 16:50, Transit: 12:11. Moon - Rise: 12:22, Set: 01:20. Civil Dark: 17:21 - 07:01. Nautical Dark: 17:55 - 06:27. Astro Dark: 18:28 - 05:54

Total Clouds (% Sky Obscured)

38
33
22
23
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

3
33
9
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

38
33
22
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-12
-11
-11
-11
-11
-11
-11
-11
-12
-13
-14
-14
-14
-14
-15
-15
-15
-16
-16
-18
-19
-20

Relative Humidity (%)

41
41
43
49
53
54
58
58
61
60
56
55
55
57
58
58
57
57
54
52
45
34
26
24

Pressure (mb)

1013
1013
1013
1014
1015
1016
1017
1017
1018
1019
1020
1021
1021
1022
1022
1023
1023
1024
1025
1025
1026
1026
1025
1024

Ozone (du)

384
389
387
388
388
390
388
389
389
389
390
394
396
403
410
414
418
419
420
423
427
432
427
417

Monday 29

Waxing Gibbous 69%

12:52

02:34

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

Sun - Rise: 07:32, Set: 16:51, Transit: 12:12. Moon - Rise: 12:52, Set: 02:34. Civil Dark: 17:21 - 07:01. Nautical Dark: 17:56 - 06:27. Astro Dark: 18:29 - 05:54

Total Clouds (% Sky Obscured)

5
7
3
3
3
14
15
31
31
11
50
71
37
22
22
5
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

3
7
3
3
3
13
15
31
29
5
34
68
33
19
22
5
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
2
0
0
0
0
0
0
0
6
13
27
17
13
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)

4
5
7
4
3
3
3
3
3
2
2
3
3
3
3
3
3
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-5
-7
-7
-8
-8
-9
-9
-9
-10
-11
-11
-11
-11
-12
-13
-13
-13
-11
-10
-9
-9

Dew Point (°C)

-20
-20
-19
-18
-17
-18
-18
-18
-18
-18
-18
-18
-18
-18
-17
-17
-18
-19
-19
-20
-21
-22
-23
-23

Relative Humidity (%)

23
23
24
31
38
38
37
38
37
38
39
40
42
46
50
51
52
51
49
48
39
31
27
25

Pressure (mb)

1023
1023
1023
1023
1024
1025
1026
1026
1027
1027
1027
1028
1028
1029
1029
1029
1030
1030
1031
1032
1032
1033
1032
1031

Ozone (du)

406
398
395
392
388
384
380
371
368
366
366
368
372
372
372
373
373
377
377
374
373
374
375
376

Tuesday 30

Waxing Gibbous 79%

No Rise

03:53

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
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good

Sun - Rise: 07:32, Set: 16:52, Transit: 12:12. Moon - Rise: No Rise, Set: 03:53. Civil Dark: 17:22 - 07:01. Nautical Dark: 17:56 - 06:27. Astro Dark: 18:30 - 05:54

Total Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
4
5
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
1
0
0
0
0
0
0
0
4
5
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)

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

Chance of Frost

Temperature (°C)

-6
-6
-6
-7
-9
-9
-10
-10
-10
-11
-11
-11
-12
-12
-12
-13
-13
-13
-13
-13
-12
-10
-9
-8

Feels Like (°C)

-9
-9
-8
-9
-10
-11
-11
-12
-12
-13
-13
-13
-14
-14
-14
-15
-15
-15
-15
-15
-14
-12
-11
-10

Dew Point (°C)

-23
-23
-23
-23
-22
-22
-22
-22
-22
-23
-23
-23
-23
-23
-23
-23
-23
-24
-24
-25
-25
-26
-27
-27

Relative Humidity (%)

24
24
25
27
32
33
35
35
36
36
37
38
39
40
40
40
40
40
39
37
32
24
20
19

Pressure (mb)

1030
1030
1030
1030
1031
1032
1033
1033
1034
1034
1034
1035
1036
1036
1037
1037
1037
1037
1037
1038
1038
1037
1037
1036

Ozone (du)

375
372
366
365
366
367
368
372
373
374
373
373
374
372
370
371
370
373
371
370
368
367
368
368

Wednesday 31

Waxing Gibbous 88%

13:29

05:12

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
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good

Sun - Rise: 07:32, Set: 16:52, Transit: 12:13. Moon - Rise: 13:29, Set: 05:12. Civil Dark: 17:23 - 07:02. Nautical Dark: 17:57 - 06:27. Astro Dark: 18:30 - 05:54

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-9
-10
-12
-12
-12
-12
-13
-13
-13
-13
-13
-13
-14
-14
-14
-14
-14
-13
-12
-9
-7
-7

Dew Point (°C)

-27
-27
-27
-26
-25
-25
-25
-25
-25
-25
-25
-25
-25
-25
-25
-25
-25
-25
-24
-24
-23
-23
-22
-22

Relative Humidity (%)

18
19
19
22
27
28
28
28
28
29
29
29
30
30
30
30
31
31
32
33
31
27
26
24

Pressure (mb)

1035
1034
1034
1034
1034
1035
1035
1035
1035
1035
1035
1035
1034
1034
1034
1033
1033
1033
1033
1033
1032
1032
1031
1030

Ozone (du)

367
365
363
365
364
364
358
357
356
355
355
355
358
357
358
358
359
361
363
363
365
363
363
363

Thursday 1

Waxing Gibbous 95%

14:17

06:28

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
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good

Sun - Rise: 07:32, Set: 16:53, Transit: 12:13. Moon - Rise: 14:17, Set: 06:28. Civil Dark: 17:24 - 07:02. Nautical Dark: 17:58 - 06:28. Astro Dark: 18:31 - 05:55

Total Clouds (% Sky Obscured)

4
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

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
1

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
5
4
4
3
3
3
3
3
3
3
4
4
5
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-7
-8
-9
-9
-9
-10
-10
-10
-10
-11
-11
-11
-12
-11
-12
-12
-12
-12
-12
-11
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

24
24
26
30
36
37
37
38
39
41
42
43
43
42
43
44
44
44
46
46
39
34
29
28

Pressure (mb)

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

Ozone (du)

364
364
365
367
367
367
369
371
373
373
374
374
369
363
364
365
366
367
369
370
372
374
376
378

Friday 2

Waxing Gibbous 99%

15:17

07:34

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
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good

Sun - Rise: 07:32, Set: 16:54, Transit: 12:14. Moon - Rise: 15:17, Set: 07:34. Civil Dark: 17:25 - 07:02. Nautical Dark: 17:59 - 06:28. Astro Dark: 18:32 - 05:55

Total Clouds (% Sky Obscured)

2
4
6
9
6
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
12

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)

2
4
6
9
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
11

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
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-8
-4
-4
-4
-5
-6
-6
-9
-9
-9
-9
-9
-9
-10
-10
-10
-10
-10
-10
-10
-9
-9
-8

Dew Point (°C)

-20
-20
-19
-18
-17
-17
-18
-18
-18
-18
-18
-18
-18
-18
-19
-19
-20
-20
-21
-21
-22
-22
-22
-21

Relative Humidity (%)

26
25
29
34
39
40
40
41
41
42
42
42
42
43
40
39
38
36
35
34
28
23
19
19

Pressure (mb)

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

Ozone (du)

380
383
386
390
393
393
394
394
384
375
365
359
353
347
346
344
342
338
334
329
330
331
332
334

Saturday 3

Full Moon 100%

16:29

08:26

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

Sun - Rise: 07:32, Set: 16:55, Transit: 12:14. Moon - Rise: 16:29, Set: 08:26. Civil Dark: 17:25 - 07:02. Nautical Dark: 17:59 - 06:28. Astro Dark: 18:32 - 05:55

Total Clouds (% Sky Obscured)

18
12
6
0
4
8
12
41
71
100
100
100
100
99
98
97
96
96
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)

15
10
5
0
2
4
6
8
6
10
16
21
27
36
35
30
39
29
19

High Clouds (% Sky Obscured)

0
0
0
0
4
8
11
8
4
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)

4
4
4
4
4
4
4
4
3
3
3
4
4
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-21
-21
-20
-19
-18
-19
-19
-19
-18
-18
-17
-17
-16
-16
-16
-16
-17
-16
-16

Relative Humidity (%)

20
19
23
27
32
33
34
35
38
41
44
46
48
50
50
50
50
52
55

Pressure (mb)

1027
1026
1027
1027
1027
1028
1028
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1031

Ozone (du)

337
339
342
344
347
351
355
360
362
364
366
363
359
355
362
368
374
381
388

Forecast for Hongshikeng, China (40.40,117.58)

Generated: 28/12/25 12:10:05. Forecast: 28/12/25 to 03/01/26. Timezone: UTC+8.00