Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

No Rise

04:20

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

Sun - Rise: 05:52, Set: 20:04, Transit: 12:59. Moon - Rise: No Rise, Set: 04:20. Civil Dark: 20:37 - 05:19. Nautical Dark: 21:18 - 04:38. Astro Dark: 22:03 - 03:53

Total Clouds (% Sky Obscured)

16
14
16
98
78
49
71
88
41
64
99
90
57
52
58
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
3
1
3
3
2
2
6
12
0
3
2
2
3
3
52
54
58
58

Medium Clouds (% Sky Obscured)

0
0
0
9
62
29
46
51
33
54
49
16
24
17
25
72
96
99
91
68
100
100
100
100

High Clouds (% Sky Obscured)

2
9
16
98
63
15
38
82
7
42
96
81
28
20
32
100
100
100
100
100
82
71
64
52

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
3
18
30

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)

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

Chance of Frost

Temperature (°C)

20
20
20
19
16
14
12
11
10
9
8
8
7
7
6
8
12
14
16
17
18
19
19
19

Feels Like (°C)

20
19
20
19
15
14
12
10
10
9
7
6
6
6
6
7
10
13
14
15
16
17
18
17

Dew Point (°C)

7
7
9
11
11
9
9
8
7
7
6
6
6
6
5
6
8
8
8
7
7
8
9
11

Relative Humidity (%)

40
42
47
61
69
75
79
81
83
85
85
87
90
91
93
85
76
67
58
53
50
49
52
60

Pressure (mb)

1017
1017
1017
1017
1017
1018
1019
1019
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1017

Ozone (du)

375
375
376
378
377
375
374
373
373
375
375
376
376
375
375
376
377
378
380
380
381
381
382
381

Tuesday 28

Waxing Gibbous 92%

16:57

04:37

16 Bad
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 Bad
14 Bad
15 Bad

Sun - Rise: 05:50, Set: 20:06, Transit: 12:59. Moon - Rise: 16:57, Set: 04:37. Civil Dark: 20:39 - 05:18. Nautical Dark: 21:19 - 04:37. Astro Dark: 22:05 - 03:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
60
33
64
63
73
61
63
73
74
84
82
100
90
91
93
89
83
78
77
83
84
78
78

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
96
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

54
73
51
42
42
35
40
35
42
33
74
74
83
94
100
100
100
37
37
62
54
97
96
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
30
23
14
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Very Light Rain
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

40
53
47
39
39
32
32
39
58
60
72
75
89
95
88
87
79
60
48
51
51
50
39
40

Precipitation Amount (mm)

0
0.3
0
0
0
0
0
0
0.4
0.4
0.5
0.5
0.8
1
0.8
0.8
0.6
0.2
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
17
16
14
13
13
12
12
12
11
11
11
11
10
10
11
11
11
11
11
11
11
10

Feels Like (°C)

17
16
15
15
14
13
12
11
12
11
10
10
10
10
9
9
10
10
10
9
9
9
9
8

Dew Point (°C)

12
11
12
13
12
12
12
12
11
11
11
10
10
10
10
10
11
11
10
10
10
10
10
9

Relative Humidity (%)

69
67
72
83
89
93
93
98
95
95
96
96
96
98
98
96
98
96
93
91
92
95
93
88

Pressure (mb)

1017
1017
1017
1017
1017
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1022
1022
1022
1022

Ozone (du)

381
380
379
379
381
383
384
384
385
385
387
388
389
391
392
395
397
400
402
401
401
400
398
394

Wednesday 29

Waxing Gibbous 97%

18:05

04:54

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

Sun - Rise: 05:49, Set: 20:07, Transit: 12:59. Moon - Rise: 18:05, Set: 04:54. Civil Dark: 20:40 - 05:16. Nautical Dark: 21:21 - 04:35. Astro Dark: 22:07 - 03:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
34
19
8
19
33
27
7
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

48
42
41
40
42
27
1
19
3
2
17
22
7
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
97
95
94
54
0
0
1
7
10
10
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
76
91
45
52
34
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 (%)

41
34
21
23
16
3
1
1
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
4
3
3
3
4
7
6
6
5
5
6
6
7
10
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
73
69
67
73
61
54
53
50
49
50
53
57
60
61
58
49
42
37
34
32
30
29
27

Pressure (mb)

1022
1022
1022
1022
1023
1024
1025
1026
1027
1027
1028
1028
1029
1029
1029
1030
1030
1030
1029
1029
1028
1028
1027
1026

Ozone (du)

392
395
399
404
405
408
414
417
417
416
417
419
419
418
418
420
419
419
417
417
416
415
412
410

Thursday 30

Waxing Gibbous 99%

19:14

05:13

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
13 Good
14 Good
15 Good

Sun - Rise: 05:47, Set: 20:08, Transit: 12:59. Moon - Rise: 19:14, Set: 05:13. Civil Dark: 20:41 - 05:14. Nautical Dark: 21:23 - 04:33. Astro Dark: 22:09 - 03:46

Total Clouds (% Sky Obscured)

0
0
0
0
3
8
5
2
0
0
0
0
0
0
0
0
0
0
0
0
2
0
7
16

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
2

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
7
16

High Clouds (% Sky Obscured)

0
0
0
0
1
2
1
1
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)

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

Chance of Frost

Temperature (°C)

13
13
12
11
9
7
6
5
4
4
3
3
2
2
3
4
6
8
11
13
14
15
16
17

Feels Like (°C)

9
10
9
8
7
7
6
5
4
4
3
2
2
2
2
4
6
9
11
13
14
15
17
17

Dew Point (°C)

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

Relative Humidity (%)

28
33
39
45
55
65
70
73
75
76
76
77
79
80
79
69
58
48
40
37
37
36
36
36

Pressure (mb)

1026
1026
1026
1026
1027
1028
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027
1026
1026
1025

Ozone (du)

408
407
404
402
401
401
401
401
400
399
398
398
397
396
396
396
395
395
394
393
392
391
391
391

Friday 1

Full Moon 100%

20:22

05:35

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

Sun - Rise: 05:46, Set: 20:10, Transit: 12:58. Moon - Rise: 20:22, Set: 05:35. Civil Dark: 20:43 - 05:13. Nautical Dark: 21:24 - 04:31. Astro Dark: 22:11 - 03:43

Total Clouds (% Sky Obscured)

28
31
32
37
31
25
19
13
6
0
8
14
22
31
41
46
3
3
3
3
2
2
1
1

Low Clouds (% Sky Obscured)

2
4
6
9
7
3
0
0
0
0
5
9
14
19
22
27
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

28
31
32
35
30
25
19
13
6
0
6
10
10
16
19
21
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

17
17
16
14
13
11
9
8
7
6
5
5
4
4
5
7
9
12
15
17
18
19
20
20

Feels Like (°C)

18
17
16
14
13
11
9
9
7
7
6
6
5
5
6
8
11
12
13
14
15
15
16
22

Dew Point (°C)

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

Relative Humidity (%)

35
37
44
60
70
75
80
85
88
93
93
93
94
94
94
88
77
66
57
50
47
44
41
42

Pressure (mb)

1024
1024
1024
1024
1025
1026
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1024
1023
1022
1022
1021
1020

Ozone (du)

389
388
387
388
387
387
388
388
387
386
385
385
386
387
387
386
387
387
387
388
388
388
388
388

Saturday 2

Waning Gibbous 98%

21:31

06:04

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

Sun - Rise: 05:44, Set: 20:11, Transit: 12:58. Moon - Rise: 21:31, Set: 06:04. Civil Dark: 20:44 - 05:11. Nautical Dark: 21:26 - 04:29. Astro Dark: 22:13 - 03:41

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
1
9
20
32
39
40
42
43
41
40
32
24
18
28
34
41
33
26

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
12
26
30
37
41
31
21
9
6
3
0
4
8
12
8
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
3
5
7
7
4
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
3
6
20
36
40
32
24
18
28
32
28
21
15

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
1
1
2
2

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
4
3
3
3
3
4
3
3
3
3
3
3
2
1
1
1
1
1
3
4
6
8

Chance of Frost

Temperature (°C)

20
20
18
16
14
12
10
8
7
7
6
6
5
5
7
9
11
13
16
19
20
22
23
22

Feels Like (°C)

21
20
20
20
20
13
12
12
11
10
10
7
7
7
8
7
8
12
14
14
15
16
17
24

Dew Point (°C)

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

Relative Humidity (%)

43
44
52
63
74
79
84
88
90
91
94
94
94
96
90
82
77
69
60
53
46
42
37
38

Pressure (mb)

1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1017
1016
1015
1014
1014

Ozone (du)

388
388
387
387
386
387
388
388
388
389
389
387
386
385
384
384
384
385
386
387
386
385
384
383

Sunday 3

Waning Gibbous 95%

22:36

06:39

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

Sun - Rise: 05:43, Set: 20:12, Transit: 12:58. Moon - Rise: 22:36, Set: 06:39. Civil Dark: 20:46 - 05:09. Nautical Dark: 21:28 - 04:27. Astro Dark: 22:15 - 03:39

Total Clouds (% Sky Obscured)

18
45
73
97
83
72
64
55
41
25
25
28
33
63
79
92
95
97
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
8
15
22
29

Medium Clouds (% Sky Obscured)

0
2
5
7
8
9
17
13
9
5
4
2
0
3
7
10
10
10
10
10
0
0

High Clouds (% Sky Obscured)

9
30
55
77
75
68
59
40
24
8
21
28
33
63
79
88
90
93
96
97
99
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

Fog (%)

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

Precipitation Probability (%)

1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
11
13
13
28
34
40

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
21
19
17
14
13
12
10
10
9
9
9
8
7
9
11
13
14
16
18
19
19

Feels Like (°C)

23
23
22
22
22
11
11
11
11
10
10
8
8
8
7
8
7
12
13
13
13
14

Dew Point (°C)

7
7
7
8
8
8
8
7
7
8
8
8
7
6
7
7
8
7
8
8
7
7

Relative Humidity (%)

39
40
47
55
66
71
76
83
85
88
91
93
93
93
84
76
70
62
56
50
47
46

Pressure (mb)

1013
1013
1013
1013
1013
1014
1014
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012

Ozone (du)

382
381
380
380
379
378
377
376
375
374
373
372
371
370
370
370
370
370
370
371
371
372

Forecast for Ljubljana, Republic of Slovenia (46.06,14.51)

Generated: 27/04/26 16:08:45. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+2.00