Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

Waxing Crescent 20%

08:07

00:06

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

Sun - Rise: 05:47, Set: 19:12, Transit: 12:30. Moon - Rise: 08:07, Set: 00:06. Civil Dark: 19:40 - 05:19. Nautical Dark: 20:13 - 04:46. Astro Dark: 20:48 - 04:11

Total Clouds (% Sky Obscured)

0
0
3
3
39
1
19
17
11
2
0
16
73
100
99
100
100
100
100
85
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
17
11
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
21
76
84
86

High Clouds (% Sky Obscured)

0
0
2
1
26
1
18
0
0
1
0
16
73
100
99
100
100
100
100
85
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
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
3
3
4
3
4
7
9
11
14
16
17
17
17
17
13
11
9
8
7
6
5
4

Chance of Frost

Temperature (°C)

3
2
2
2
2
3
8
10
12
14
16
18
18
18
18
16
14
12
11
10
9
9
8
7

Feels Like (°C)

1
1
1
0
-1
1
6
8
10
11
11
12
13
13
11
9
8
8
7
6
6
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

42
44
49
51
53
51
45
47
40
33
31
29
33
38
31
34
42
50
51
55
60
61
60
58

Pressure (mb)

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

Ozone (du)

376
375
373
373
373
375
376
375
371
368
366
361
358
357
354
352
351
351
352
351
350
349
347
350

Wednesday 22

Waxing Crescent 31%

09:12

01:03

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 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:46, Set: 19:13, Transit: 12:29. Moon - Rise: 09:12, Set: 01:03. Civil Dark: 19:41 - 05:18. Nautical Dark: 20:14 - 04:44. Astro Dark: 20:49 - 04:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
63
47
65
67
74
65
96
100
100
100

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)

88
95
100
100
100
100
100
100
100
100
100
99
86
79
56
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
97
43
47
65
67
60
35
93
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
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
4
3
4
5
6
7
9
10
11
12
12
10
9
6
3
3
2
2
2
3

Chance of Frost

Temperature (°C)

7
7
7
7
8
8
10
11
13
14
15
15
16
17
16
16
15
13
11
10
9
8
8
8

Feels Like (°C)

4
4
4
5
5
5
7
7
9
10
10
10
11
12
11
14
11
12
10
10
9
7
6
6

Dew Point (°C)

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

Relative Humidity (%)

58
59
59
59
60
60
55
49
47
44
42
40
37
36
40
44
50
59
59
63
65
64
64
64

Pressure (mb)

1017
1017
1016
1016
1016
1016
1016
1017
1017
1016
1016
1015
1015
1014
1013
1013
1013
1014
1014
1015
1015
1015
1015
1014

Ozone (du)

351
351
354
355
357
358
359
360
362
365
366
365
366
369
369
369
370
366
367
370
370
370
368
367

Thursday 23

Waxing Crescent 42%

10:24

01:48

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
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:44, Set: 19:14, Transit: 12:29. Moon - Rise: 10:24, Set: 01:48. Civil Dark: 19:42 - 05:16. Nautical Dark: 20:15 - 04:43. Astro Dark: 20:51 - 04:08

Total Clouds (% Sky Obscured)

66
49
80
100
100
100
100
100
55
55
57
62
59
61
58
50
50
60
60
44
65
65
66
68

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
15
0
0
0
3
12
7
19
7
0
0
0
0
0
0
0
12
24

Medium Clouds (% Sky Obscured)

0
0
0
0
3
57
55
55
55
55
55
55
55
50
36
2
29
27
1
9
1
0
0
0

High Clouds (% Sky Obscured)

66
49
67
100
100
100
100
100
40
40
45
50
50
50
49
50
50
55
60
44
65
65
65
60

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

Chance of Frost

Temperature (°C)

7
7
6
6
5
7
11
13
15
17
18
19
19
19
19
19
18
16
14
12
12
11
10
9

Feels Like (°C)

5
5
4
4
3
4
9
11
12
15
16
16
17
16
16
16
15
13
11
10
9
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

64
65
66
68
68
64
57
49
45
36
31
27
25
25
25
25
33
37
37
38
41
43
44
46

Pressure (mb)

1014
1013
1013
1013
1013
1014
1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1011
1011
1012
1013
1013
1014
1014
1014

Ozone (du)

364
362
362
361
359
361
364
365
368
369
369
369
368
364
370
371
371
371
368
370
369
368
369
372

Friday 24

First Quarter 54%

11:37

No Set

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

Sun - Rise: 05:43, Set: 19:15, Transit: 12:29. Moon - Rise: 11:37, Set: No Set. Civil Dark: 19:43 - 05:15. Nautical Dark: 20:17 - 04:41. Astro Dark: 20:52 - 04:06

Total Clouds (% Sky Obscured)

75
71
78
79
71
59
50
50
3
0
0
0
4
0
6
80
61
13
5
6
11
17
22
30

Low Clouds (% Sky Obscured)

38
40
40
42
28
14
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
1
0
6
11
17
15
6

High Clouds (% Sky Obscured)

55
60
55
55
40
40
40
35
2
0
0
0
1
0
3
65
44
7
5
2
1
0
22
30

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
2
2
3
3
2
1
1
3
4
6
6
7
8
9
10
10
6
5
4
4
4
4
3

Chance of Frost

Temperature (°C)

8
8
8
7
7
10
12
15
17
19
21
22
22
23
23
22
19
16
14
12
11
11
10
10

Feels Like (°C)

6
7
6
5
5
8
11
13
14
18
19
20
21
21
21
19
15
13
12
11
11
10
10
9

Dew Point (°C)

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

Relative Humidity (%)

47
48
50
50
52
52
44
38
31
27
26
27
27
26
27
28
38
47
50
52
53
54
56
56

Pressure (mb)

1014
1014
1014
1014
1015
1015
1016
1016
1016
1015
1015
1014
1014
1013
1014
1014
1014
1015
1016
1017
1017
1018
1018
1017

Ozone (du)

373
376
378
383
386
386
382
383
380
377
377
376
375
374
376
378
383
387
390
397
402
408
408
411

Saturday 25

Waxing Gibbous 65%

12:48

02:25

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

Sun - Rise: 05:42, Set: 19:16, Transit: 12:29. Moon - Rise: 12:48, Set: 02:25. Civil Dark: 19:44 - 05:14. Nautical Dark: 20:18 - 04:40. Astro Dark: 20:53 - 04:04

Total Clouds (% Sky Obscured)

43
31
14
0
0
0
0
0
0
0
0
4
34
6
7
8
32
29
17
36
54
86
90
96

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)

43
31
14
0
0
0
0
0
0
0
0
3
28
0
0
0
0
0
2
31
54
86
90
96

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
3
4
6
9
11
12
14
14
15
16
15
13
11
8
6
4
3
3
2
2

Chance of Frost

Temperature (°C)

9
9
9
9
9
11
14
16
18
19
21
21
21
21
20
19
18
16
14
11
11
10
9
9

Feels Like (°C)

9
9
9
8
9
11
13
15
15
16
17
17
17
16
15
15
15
14
14
13
8
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

56
57
58
60
63
61
53
46
39
36
35
33
33
33
35
37
40
44
49
55
56
58
59
59

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017

Ozone (du)

409
409
414
418
421
422
422
419
420
423
425
423
421
417
418
420
421
419
417
414
414
414
413
414

Sunday 26

Waxing Gibbous 75%

13:56

02:54

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:40, Set: 19:17, Transit: 12:29. Moon - Rise: 13:56, Set: 02:54. Civil Dark: 19:45 - 05:12. Nautical Dark: 20:19 - 04:39. Astro Dark: 20:55 - 04:03

Total Clouds (% Sky Obscured)

100
99
97
90
84
90
100
86
72
57
65
72
80
82
87
94
96
98
100
100
99
99
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
9
36
62
87
79
69

Medium Clouds (% Sky Obscured)

0
32
63
90
84
79
70
62
51
41
27
13
0
11
23
34
39
67
100
99
99
98
97
96

High Clouds (% Sky Obscured)

100
99
97
90
84
90
100
86
72
57
65
72
80
82
85
92
95
97
100
80
60
40
69
84

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
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
9
13
52
66

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
0.3
0.4

Wind Speed/Direction (mph)

2
3
2
2
2
2
2
3
4
6
8
9
10
11
10
9
8
5
4
5
5
5
6
6

Chance of Frost

Temperature (°C)

9
9
9
9
8
11
13
15
17
19
21
21
21
22
21
21
20
18
16
14
13
12
11
10

Feels Like (°C)

9
9
7
6
7
6
7
7
14
15
15
16
17
17
20
18
18
17
17
17
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

59
60
60
60
61
53
47
42
36
32
27
26
26
25
27
30
34
39
45
53
59
66
76
78

Pressure (mb)

1017
1016
1016
1016
1017
1016
1016
1016
1015
1014
1014
1013
1012
1011
1011
1011
1010
1011
1011
1012
1012
1011
1011
1011

Ozone (du)

414
415
414
414
414
413
412
411
408
405
402
403
403
404
404
404
404
405
406
408
410
413
415
420

Monday 27

Waxing Gibbous 83%

15:01

03:20

Sun - Rise: 05:39, Set: 19:18, Transit: 12:29. Moon - Rise: 15:01, Set: 03:20. Civil Dark: 19:46 - 05:11. Nautical Dark: 20:20 - 04:37. Astro Dark: 20:56 - 04:01

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 Sambong-dong, Republic of Korea (38.27,127.17)

Generated: 21/04/26 02:27:32. Forecast: 21/04/26 to 27/04/26. Timezone: UTC+9.00