Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 1%

05:51

20:22

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

Sun - Rise: 05:51, Set: 19:09, Transit: 12:30. Moon - Rise: 05:51, Set: 20:22. Civil Dark: 19:37 - 05:24. Nautical Dark: 20:10 - 04:51. Astro Dark: 20:44 - 04:16

Total Clouds (% Sky Obscured)

0
0
0
11
16
12
0
0
0
0
0
0
0
5
28
95
98
98
100
100
98
90
100
100

Low Clouds (% Sky Obscured)

0
0
0
11
16
12
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
5
18
95
98
98
100
100
98
90
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
3
3
2
2
2
2
2
3
4
5
5
6
6
6
6
7
6
3
2
1
1
3
3

Chance of Frost

Temperature (°C)

10
9
8
8
7
7
8
12
15
17
19
21
23
24
25
25
25
24
20
19
18
17
16
14

Feels Like (°C)

10
10
10
9
9
8
10
14
15
17
19
21
22
24
24
23
22
21
19
17
17
16
15
13

Dew Point (°C)

7
7
7
6
5
5
5
7
7
7
7
7
7
7
7
6
6
8
8
7
7
6
6
5

Relative Humidity (%)

85
87
88
88
88
88
81
70
59
49
44
39
36
33
31
30
30
37
45
47
48
49
51
51

Pressure (mb)

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

Ozone (du)

362
363
364
368
364
361
362
359
354
354
352
351
351
348
350
350
351
352
353
354
357
357
357
359

Sunday 19

Waxing Crescent 4%

06:27

21:41

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

Sun - Rise: 05:50, Set: 19:10, Transit: 12:30. Moon - Rise: 06:27, Set: 21:41. Civil Dark: 19:38 - 05:22. Nautical Dark: 20:11 - 04:49. Astro Dark: 20:46 - 04:14

Total Clouds (% Sky Obscured)

100
100
99
100
91
100
48
44
47
62
45
39
2
6
24
20
19
27
11
2
2
2
0
5

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
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
6
24
20
19
27
11
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
98
100
91
100
48
44
47
62
45
39
0
0
0
0
0
0
0
2
2
2
0
5

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

Chance of Frost

Temperature (°C)

14
13
12
12
12
11
12
16
19
22
24
25
26
27
27
27
26
25
22
19
18
16
15
14

Feels Like (°C)

13
11
11
10
10
10
10
14
18
21
23
24
25
26
26
25
25
25
22
19
18
15
14
14

Dew Point (°C)

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

Relative Humidity (%)

53
55
56
58
58
60
59
51
47
41
36
32
28
25
24
24
26
33
43
44
45
44
46
48

Pressure (mb)

1016
1015
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1013
1012
1011
1011
1011
1011
1012
1013
1013
1013
1013

Ozone (du)

359
356
353
352
348
345
343
344
346
350
348
347
350
351
349
345
345
345
344
342
341
341
339
337

Monday 20

Waxing Crescent 11%

07:12

22:57

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

Sun - Rise: 05:48, Set: 19:11, Transit: 12:30. Moon - Rise: 07:12, Set: 22:57. Civil Dark: 19:39 - 05:21. Nautical Dark: 20:12 - 04:48. Astro Dark: 20:47 - 04:13

Total Clouds (% Sky Obscured)

58
55
47
66
100
99
97
100
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
17
34
58
67
71
63
65
90
100
100
63
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
24
80
89
68
51
100
50
85
99
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

34
15
47
66
100
99
86
100
100
77
74
100
96
42
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
6
13
5
12
2
15
6
31
28
8
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
7
9
10
12
12
14
14
13
13
14
14
11
10
7
5
4
4

Chance of Frost

Temperature (°C)

13
12
11
11
11
10
11
14
15
15
15
14
13
13
12
13
13
12
10
9
8
6
6
5

Feels Like (°C)

13
11
11
8
9
8
9
10
11
10
10
9
7
7
6
9
8
7
7
5
5
5
5
3

Dew Point (°C)

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

Relative Humidity (%)

50
52
55
59
61
66
66
58
55
59
59
68
57
63
44
29
25
27
30
32
36
39
39
39

Pressure (mb)

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

Ozone (du)

335
333
334
332
333
335
339
340
339
340
341
343
349
354
365
374
395
395
399
396
396
396
396
397

Tuesday 21

Waxing Crescent 20%

08:07

00:06

01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
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

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
0
0
0
0
0
2
3
50
55
55
60
80
80
81
81
86
88
93
93
96
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
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
32
35
43
47
56
71
85
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
35
35
25
25
35
56
57
68
69
75
79
75
87
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)

3
3
3
3
3
2
2
3
4
6
7
9
9
10
11
11
11
9
8
5
4
3
3
3

Chance of Frost

Temperature (°C)

5
4
4
4
4
4
6
9
12
14
16
17
18
19
19
19
17
15
13
11
10
10
10
10

Feels Like (°C)

3
3
2
2
2
3
5
8
10
12
10
12
13
14
15
14
13
12
9
8
8
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

39
40
40
39
39
39
37
30
27
24
24
26
26
26
27
28
31
41
44
47
49
48
45
42

Pressure (mb)

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

Ozone (du)

400
402
403
399
395
387
381
376
369
366
364
364
363
360
358
355
354
352
351
350
349
348
347
347

Wednesday 22

Waxing Crescent 31%

09:12

01:03

01 Bad
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 Good
00 Good

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
99
99
97
72
86
100
96
91
87
79
63
18
17

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
95
90
83
48
40
32
22
11
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
74
51
31
28
26
25
50
78
89
36
68
100
96
91
87
69
39
4
3

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
10
11
12
13
15
15
16
17
18
17
17
17
15
13
11
10
10
9

Feels Like (°C)

6
7
6
7
7
6
8
8
10
10
11
12
12
13
14
13
14
13
13
13
13
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

42
41
38
38
38
38
40
40
37
37
35
34
33
33
32
33
35
36
41
47
53
55
57
60

Pressure (mb)

1018
1017
1017
1017
1016
1016
1017
1017
1017
1016
1016
1015
1014
1014
1013
1011
1011
1011
1011
1012
1012
1012
1013
1013

Ozone (du)

346
345
345
347
346
347
348
348
349
350
352
354
355
359
359
360
362
364
364
365
365
366
367
368

Thursday 23

Waxing Crescent 42%

10:24

01:03

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

Sun - Rise: 05:44, Set: 19:14, Transit: 12:29. Moon - Rise: 10:24, Set: 01:03. Civil Dark: 19:42 - 05:16. Nautical Dark: 20:15 - 04:43. Astro Dark: 20:51 - 04:08

Total Clouds (% Sky Obscured)

6
5
10
10
25
72
89
94
81
68
54
49
44
39
46
54
64
43
21
0
11
22
32
48

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
5
10
14
11
8
5
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
0
33
67
94
81
68
54
49
33
0
0
54
64
43
21
0
11
22
32
33

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

Chance of Frost

Temperature (°C)

9
8
8
8
7
7
10
12
15
16
18
19
20
20
21
20
19
19
17
14
12
11
10
9

Feels Like (°C)

8
8
8
6
6
5
5
5
4
13
13
12
13
14
14
17
17
16
16
16
15
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

61
62
63
64
65
66
58
50
43
38
32
27
26
25
24
25
28
30
36
42
50
52
57
60

Pressure (mb)

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

Ozone (du)

367
366
365
365
366
366
369
371
374
374
374
374
375
377
378
381
384
386
383
379
375
372
368
365

Friday 24

First Quarter 54%

11:37

01:48

Sun - Rise: 05:43, Set: 19:15, Transit: 12:29. Moon - Rise: 11:37, Set: 01:48. Civil Dark: 19:43 - 05:15. Nautical Dark: 20:17 - 04:41. Astro Dark: 20:52 - 04:06

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: 18/04/26 01:24:58. Forecast: 18/04/26 to 24/04/26. Timezone: UTC+9.00