Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 85%

00:04

07:41

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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 OK
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:26, Set: 19:40, Transit: 13:04. Moon - Rise: 00:04, Set: 07:41. Civil Dark: 20:13 - 05:53. Nautical Dark: 20:53 - 05:13. Astro Dark: 21:37 - 04:29

Total Clouds (% Sky Obscured)

85
88
91
100
100
99
96
94
93
89
62
90
63
98
60
54
93
98
78
71
31
82
67
87

Low Clouds (% Sky Obscured)

0
0
31
7
4
1
31
49
64
73
62
40
29
38
1
0
1
12
28
35
31
38
34
35

Medium Clouds (% Sky Obscured)

0
88
91
100
100
98
87
79
42
36
57
43
0
0
0
0
0
0
0
0
0
0
19
0

High Clouds (% Sky Obscured)

85
77
91
99
88
80
7
4
4
25
24
75
49
94
45
43
91
96
66
60
12
76
32
69

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
1
2
7
9
12
20
25
18
12
14
4
2
10
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
15
15
14
12
12
9
8
7
7
7
7
5
5
4
5
5
5
5
6
7
8
7
8

Dew Point (°C)

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

Relative Humidity (%)

45
42
48
54
59
66
65
69
76
73
73
72
73
77
78
71
60
53
46
40
37
36
36
36

Pressure (mb)

1015
1016
1016
1017
1018
1019
1019
1020
1021
1022
1022
1023
1024
1025
1026
1026
1027
1027
1027
1026
1026
1025
1025
1025

Ozone (du)

361
363
364
365
365
366
369
371
372
374
371
369
368
367
366
365
363
362
362
362
364
365
365
366

Monday 6

Waning Gibbous 78%

01:12

08:17

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

Sun - Rise: 06:24, Set: 19:42, Transit: 13:04. Moon - Rise: 01:12, Set: 08:17. Civil Dark: 20:15 - 05:51. Nautical Dark: 20:55 - 05:10. Astro Dark: 21:39 - 04:26

Total Clouds (% Sky Obscured)

36
49
47
17
22
47
22
18
38
27
26
53
36
49
52
8
12
21
39
9
9
4
4
3

Low Clouds (% Sky Obscured)

18
4
1
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
2
0
2
3
3
0
0
0

High Clouds (% Sky Obscured)

29
46
46
15
15
46
18
17
38
27
23
47
32
44
52
5
6
20
39
4
6
4
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
0
0
0
0
0
0
0
0
0
3
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)

14
12
10
8
7
5
4
4
4
5
4
4
4
4
4
5
8
10
11
10
11
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
42
46
50
55
58
58
59
61
62
63
65
66
67
68
62
54
44
39
35
30
29
28
28

Pressure (mb)

1025
1025
1025
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024

Ozone (du)

369
370
371
371
372
373
373
371
371
369
368
367
367
367
369
369
368
369
367
367
368
368
368
369

Tuesday 7

Waning Gibbous 69%

02:11

09:03

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
13 OK
14 OK
15 Bad
16 Bad

Sun - Rise: 06:22, Set: 19:43, Transit: 13:03. Moon - Rise: 02:11, Set: 09:03. Civil Dark: 20:17 - 05:49. Nautical Dark: 20:57 - 05:08. Astro Dark: 21:41 - 04:24

Total Clouds (% Sky Obscured)

0
0
0
1
3
3
3
4
4
0
0
0
0
0
1
0
1
4
4
5
37
43
56
56

Low Clouds (% Sky Obscured)

0
0
0
0
1
1
1
2
1
0
0
0
0
0
0
0
0
0
2
3
24
30
37
39

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
2
0
0
3
0
10
4

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

31
38
45
48
53
57
60
62
61
62
63
66
67
68
68
61
55
49
45
45
42
41
39
40

Pressure (mb)

1023
1024
1024
1025
1026
1027
1027
1028
1028
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1029
1028
1028
1027
1027

Ozone (du)

372
374
376
377
378
379
378
378
379
380
380
381
383
383
385
387
387
387
386
386
386
388
388
388

Wednesday 8

Waning Gibbous 60%

02:59

10:02

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

Sun - Rise: 06:20, Set: 19:45, Transit: 13:03. Moon - Rise: 02:59, Set: 10:02. Civil Dark: 20:18 - 05:46. Nautical Dark: 20:59 - 05:05. Astro Dark: 21:43 - 04:21

Total Clouds (% Sky Obscured)

70
6
4
6
22
69
44
15
4
5
6
9
19
31
43
40
36
30
33
45
35
46
24
7

Low Clouds (% Sky Obscured)

48
5
2
2
9
34
22
7
2
2
2
2
2
2
1
1
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
8
17
27
18
9
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
2
5
9
6
3
0
1
3
4
10
17
24
23
24
26
31
45
35
39
21
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)

13
11
9
6
4
5
4
4
3
3
4
4
4
4
5
6
7
6
7
7
6
5
5
5

Chance of Frost

Temperature (°C)

12
11
10
9
8
6
5
5
4
3
2
2
1
1
1
2
4
7
9
10
11
12
13
13

Feels Like (°C)

7
6
7
7
6
4
2
2
3
2
1
0
-0
-1
-1
-0
1
4
6
8
8
10
9
11

Dew Point (°C)

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

Relative Humidity (%)

44
46
49
52
54
60
66
68
71
72
76
77
80
81
80
72
66
55
47
40
37
34
32
32

Pressure (mb)

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

Ozone (du)

389
391
391
392
394
395
395
394
395
394
393
393
393
395
398
401
403
404
405
406
407
406
403
400

Thursday 9

Waning Gibbous 50%

03:35

11:09

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

Sun - Rise: 06:18, Set: 19:46, Transit: 13:03. Moon - Rise: 03:35, Set: 11:09. Civil Dark: 20:20 - 05:44. Nautical Dark: 21:01 - 05:03. Astro Dark: 21:45 - 04:18

Total Clouds (% Sky Obscured)

26
53
72
81
91
100
100
92
59
60
76
100
100
100
100
93
88
83
72
61
50
56
63
68

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
24
33
36
35
35
27
23
20
20
23
23
19
12
8

Medium Clouds (% Sky Obscured)

10
19
29
19
10
0
28
68
59
60
52
52
43
38
46
50
50
45
27
10
0
6
10
15

High Clouds (% Sky Obscured)

15
32
49
68
84
100
100
92
59
60
76
100
100
100
100
65
75
83
64
43
23
25
28
28

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
1
5
6
1
7
8
4
35
34
26
23
15
1
10
17
11

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
9
8
6
5
3
3
2
3
3
2
1
-0
-1
1
1
1
1
2
3
3
11
10

Dew Point (°C)

-2
-1
1
1
-1
-1
-4
-4
-4
-4
-4
-4
-4
-5
-6
-5
-6
-6
-6
-7
-6
-6
-6
-6

Relative Humidity (%)

34
37
46
48
47
49
48
50
52
55
56
56
57
57
55
51
45
39
35
31
28
26
26
26

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1025
1025
1025
1024

Ozone (du)

396
393
393
393
393
392
392
389
387
386
385
384
384
386
388
386
384
382
380
378
377
375
374
372

Friday 10

Third Quarter 40%

04:03

12:23

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

Sun - Rise: 06:16, Set: 19:48, Transit: 13:03. Moon - Rise: 04:03, Set: 12:23. Civil Dark: 20:22 - 05:42. Nautical Dark: 21:03 - 05:01. Astro Dark: 21:48 - 04:15

Total Clouds (% Sky Obscured)

70
72
73
72
62
50
52
55
57
55
58
62
66
72
74
56
38
19
18
14
10
8
6
4

Low Clouds (% Sky Obscured)

8
6
5
4
2
0
3
6
9
7
4
2
1
1
0
3
6
11
8
4
0
0
0
0

Medium Clouds (% Sky Obscured)

10
5
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)

32
21
15
15
10
10
10
10
10
15
15
10
27
48
70
46
23
0
0
0
0
0
1
2

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 (%)

9
8
2
7
3
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)

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

Chance of Frost

Temperature (°C)

14
12
11
9
8
7
7
6
6
5
5
4
4
4
5
5
8
10
12
14
16
17
17
17

Feels Like (°C)

10
11
12
11
5
5
6
5
5
5
1
1
1
1
1
1
3
4
5
6
8
8
16
15

Dew Point (°C)

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

Relative Humidity (%)

26
30
36
42
44
45
47
46
46
46
46
47
47
48
49
50
45
41
37
36
33
32
33
35

Pressure (mb)

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

Ozone (du)

371
370
368
367
367
366
365
364
364
363
362
362
362
361
361
361
360
360
360
360
360
360
360
360

Saturday 11

Waning Crescent 30%

04:24

13:39

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
07 OK
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good

Sun - Rise: 06:14, Set: 19:50, Transit: 13:02. Moon - Rise: 04:24, Set: 13:39. Civil Dark: 20:23 - 05:40. Nautical Dark: 21:05 - 04:58. Astro Dark: 21:50 - 04:13

Total Clouds (% Sky Obscured)

4
4
4
4
3
4
4
4
4
5
5
5
12
19
24
13
7
2
2
1
1

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

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

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
16
14
11
10
9
8
7
6
6
6
5
5
5
6
7
8
11
13
14
16

Feels Like (°C)

15
15
16
16
8
8
8
7
7
7
5
5
5
5
5
4
6
7
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

36
42
49
57
59
61
63
63
64
65
66
68
70
67
65
63
57
51
47
43
40

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1020
1020
1019
1018

Ozone (du)

359
359
358
358
359
360
360
360
360
359
359
359
359
359
359
359
360
360
360
360
359

Forecast for Královské Vinohrady, Praha 2, Czech Republic (50.08,14.44)

Generated: 05/04/26 17:05:29. Forecast: 05/04/26 to 11/04/26. Timezone: UTC+2.00