Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 2%

06:12

20:16

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

Sun - Rise: 06:09, Set: 19:51, Transit: 13:01. Moon - Rise: 06:12, Set: 20:16. Civil Dark: 20:23 - 05:37. Nautical Dark: 21:01 - 04:59. Astro Dark: 21:43 - 04:17

Total Clouds (% Sky Obscured)

45
38
33
20
3
11
24
46
70
69
68
47
53
56
64
52
45
34
25
19
12
20
20
24

Low Clouds (% Sky Obscured)

34
38
16
3
3
4
6
12
28
49
40
20
19
15
11
19
20
9
11
7
3
17
16
16

Medium Clouds (% Sky Obscured)

18
27
18
5
0
7
19
29
32
30
30
25
26
28
20
10
0
0
0
2
2
2
2
9

High Clouds (% Sky Obscured)

0
0
1
13
1
1
3
20
39
3
3
3
5
11
44
42
43
30
20
10
6
2
2
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 (%)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1

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
6
5
3
3
3
3
3
3
3
3
3
3
3
3
3
2
3
5
6
5
5
5

Chance of Frost

Temperature (°C)

20
21
20
20
19
16
13
12
10
10
10
10
10
9
9
9
9
12
15
17
17
19
19
20

Feels Like (°C)

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

Dew Point (°C)

7
7
8
8
11
10
9
8
7
6
6
7
7
8
7
7
6
7
8
8
7
7
7
7

Relative Humidity (%)

42
42
43
46
61
70
75
77
78
76
77
82
85
88
88
88
84
75
64
55
49
47
44
42

Pressure (mb)

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

Ozone (du)

353
351
350
352
355
356
357
358
357
356
356
356
357
359
362
362
361
359
356
354
353
353
353
354

Saturday 18

Waxing Crescent 6%

06:44

21:42

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

Sun - Rise: 06:07, Set: 19:53, Transit: 13:01. Moon - Rise: 06:44, Set: 21:42. Civil Dark: 20:24 - 05:35. Nautical Dark: 21:03 - 04:57. Astro Dark: 21:45 - 04:14

Total Clouds (% Sky Obscured)

22
28
29
52
79
76
85
78
75
75
47
48
53
65
54
57
58
31
39
35
38
58
65
100

Low Clouds (% Sky Obscured)

12
4
3
7
23
35
41
63
44
46
22
5
3
2
2
3
3
2
2
2
2
33
28
41

Medium Clouds (% Sky Obscured)

10
26
26
43
64
62
68
57
53
51
37
48
51
62
50
51
53
23
30
20
23
23
19
58

High Clouds (% Sky Obscured)

2
2
2
2
15
3
2
0
1
2
3
5
3
3
5
7
4
4
3
5
4
15
33
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 (%)

1
3
1
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
23
24
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
19
19
18
17
15
13
11
10
9
8
8
8
8
8
7
7
11
15
16
19
20
21
23

Dew Point (°C)

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

Relative Humidity (%)

41
41
43
48
61
68
72
72
70
71
70
74
78
79
79
79
77
67
56
48
42
40
37
36

Pressure (mb)

1019
1018
1018
1018
1018
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1016
1016
1014

Ozone (du)

355
354
354
354
353
354
353
351
350
350
351
351
350
351
352
353
355
357
357
358
359
360
360
360

Sunday 19

Waxing Crescent 5%

07:26

23:08

15 Bad
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

Sun - Rise: 06:05, Set: 19:54, Transit: 13:00. Moon - Rise: 07:26, Set: 23:08. Civil Dark: 20:26 - 05:34. Nautical Dark: 21:05 - 04:54. Astro Dark: 21:47 - 04:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
96
91
71
89
93
89
89
93
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
20
4
36
67
73
77
71
70
65
65
51
45
58
67
69
70
75
81
87
91
92
94
88

Medium Clouds (% Sky Obscured)

86
100
100
100
98
100
100
100
100
95
87
53
66
65
55
41
53
69
76
83
83
90
94
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
70
42
3
42
53
43
54
64
79
77
81
97
100
100

ISS Passover

Visibility (miles)

9
8
8
9
8
1
4
8
4
6
9
9
9
9
9
9
9
9
9
9
8
4
8
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
2
3
3
3
3
3
3
3
3
3
3
3
3
3

Precipitation Type

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

Precipitation Probability (%)

46
58
66
86
95
95
95
95
95
93
31
12
5
7
7
11
17
54
69
88
95
95
95
95

Precipitation Amount (mm)

0
0.2
0.2
0.3
1.2
1.8
0.8
1.4
1.1
0.4
0
0
0
0
0
0
0
0
0.2
0.4
0.8
1
1.1
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
21
20
19
18
16
14
13
12
12
12
11
11
10
10
10
10
12
12
13
13
13
13
13

Feels Like (°C)

20
19
18
17
17
13
14
12
12
11
11
11
10
11
10
10
9
11
11
12
12
12
13
12

Dew Point (°C)

9
12
11
11
13
14
13
12
11
11
11
11
11
10
10
9
9
10
11
10
10
10
10
10

Relative Humidity (%)

44
56
57
60
70
86
92
95
95
96
96
95
98
98
98
96
96
92
89
84
80
79
79
80

Pressure (mb)

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

Ozone (du)

362
366
367
366
367
368
373
376
377
379
381
382
382
383
383
385
388
389
390
390
390
387
385
385

Monday 20

Waxing Crescent 14%

08:21

00:26

15 Bad
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

Sun - Rise: 06:04, Set: 19:55, Transit: 13:00. Moon - Rise: 08:21, Set: 00:26. Civil Dark: 20:27 - 05:32. Nautical Dark: 21:06 - 04:52. Astro Dark: 21:49 - 04:09

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
99
92
91

Low Clouds (% Sky Obscured)

70
59
67
66
61
72
78
79
78
74
70
71
72
73
75
76
78
84
90
97
92
85
69
74

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
100
100
100
100
100
100
100
100
92
92
90
90
90
83

High Clouds (% Sky Obscured)

100
100
100
85
94
85
72
52
62
40
11
37
48
36
26
27
25
10
12
17
12
7
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Precipitation Type

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

Precipitation Probability (%)

95
95
95
90
69
70
67
66
71
70
72
87
95
95
93
94
90
85
83
71
60
60
58
50

Precipitation Amount (mm)

1.5
1.8
0.9
0.6
0.3
0.4
0.4
0.3
0.4
0.3
0.3
0.5
0.7
0.7
0.6
0.6
0.5
0.5
0.6
0.4
0.2
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
10
10
10
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9
9

Feels Like (°C)

11
10
9
8
8
8
8
8
8
7
7
7
8
7
7
6
6
5
5
5
5
6
6
6

Dew Point (°C)

8
8
7
8
8
9
9
8
8
8
8
8
8
7
7
7
7
7
7
7
8
7
6
3

Relative Humidity (%)

77
77
83
87
91
96
98
98
96
98
98
96
98
96
98
94
96
95
93
96
96
93
82
68

Pressure (mb)

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

Ozone (du)

384
382
383
385
384
384
385
386
386
386
385
384
385
386
385
385
385
387
388
389
389
390
391
393

Tuesday 21

Waxing Crescent 23%

09:30

01:31

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

Sun - Rise: 06:02, Set: 19:57, Transit: 13:00. Moon - Rise: 09:30, Set: 01:31. Civil Dark: 20:29 - 05:30. Nautical Dark: 21:08 - 04:50. Astro Dark: 21:51 - 04:07

Total Clouds (% Sky Obscured)

88
75
66
56
47
54
52
46
20
10
0
1
2
3
6
7
7
12
17
18
18
19
22
33

Low Clouds (% Sky Obscured)

74
63
46
31
16
11
10
9
6
3
0
1
2
3
6
7
7
12
14
16
15
15
18
20

Medium Clouds (% Sky Obscured)

77
69
60
50
37
51
52
46
11
5
0
0
0
0
0
0
0
5
15
18
18
19
22
28

High Clouds (% Sky Obscured)

0
0
0
0
0
19
27
10
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 (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

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 (%)

40
27
23
19
6
6
4
0
1
1
0
1
0
0
0
0
0
6
9
8
15
20
24
23

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
49
50
54
58
63
71
75
79
82
82
83
83
85
85
79
73
68
58
49
42
41
40
37

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016

Ozone (du)

396
397
402
408
410
410
412
418
423
424
420
416
415
414
414
410
405
401
399
396
394
394
395
395

Wednesday 22

Waxing Crescent 34%

10:47

02:21

15 Bad
16 OK
17 Bad
18 Bad
19 OK
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 Good
11 OK
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:00, Set: 19:58, Transit: 13:00. Moon - Rise: 10:47, Set: 02:21. Civil Dark: 20:30 - 05:28. Nautical Dark: 21:09 - 04:48. Astro Dark: 21:53 - 04:05

Total Clouds (% Sky Obscured)

36
39
48
49
42
52
65
77
74
70
65
63
66
69
70
76
76
54
33
12
38
63
89
90

Low Clouds (% Sky Obscured)

22
23
17
12
12
27
42
56
47
40
32
30
33
35
34
29
20
14
9
4
21
35
47
47

Medium Clouds (% Sky Obscured)

26
24
35
37
27
31
42
57
68
70
65
63
66
69
70
76
76
54
32
7
8
10
13
8

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 (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

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 (%)

20
10
20
21
9
17
18
11
21
21
15
20
19
15
13
10
0
3
3
2
6
8
8
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)

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

Chance of Frost

Temperature (°C)

14
14
14
12
11
9
8
7
6
6
6
6
6
5
5
5
6
7
9
11
12
13
13
14

Feels Like (°C)

13
13
12
12
13
13
6
7
6
6
5
5
4
3
3
3
3
3
6
7
8
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

38
39
39
46
56
66
70
75
81
82
83
85
85
88
89
85
82
81
65
54
44
41
38
36

Pressure (mb)

1015
1015
1015
1015
1016
1016
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1019
1019
1019
1019
1018

Ozone (du)

398
400
403
405
407
409
411
414
416
416
416
416
418
420
422
422
422
421
422
422
422
424
426
427

Thursday 23

Waxing Crescent 46%

12:06

02:57

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

Sun - Rise: 05:59, Set: 19:59, Transit: 13:00. Moon - Rise: 12:06, Set: 02:57. Civil Dark: 20:31 - 05:26. Nautical Dark: 21:11 - 04:46. Astro Dark: 21:55 - 04:02

Total Clouds (% Sky Obscured)

91
92
74
53
33
27
24
20
20
19
19
17
14
12
8
6
4

Low Clouds (% Sky Obscured)

47
52
47
38
22
16
10
5
4
4
3
3
3
3
3
3
3

Medium Clouds (% Sky Obscured)

9
9
7
6
5
4
4
5
5
4
4
4
2
2
1
1
0

High Clouds (% Sky Obscured)

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

Fog (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
5
11
11
2
4
4
0
1
2
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

Wind Speed/Direction (mph)

10
10
10
8
6
5
4
2
2
1
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

14
14
14
12
11
8
8
7
6
5
4
4
3
3
3
4
6

Feels Like (°C)

11
11
10
10
11
11
6
6
7
7
6
5
4
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

37
38
40
47
57
68
71
75
79
82
83
85
86
88
89
82
75

Pressure (mb)

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

Ozone (du)

429
430
432
428
423
419
414
410
405
400
396
391
386
381
376
375
373

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

Generated: 17/04/26 14:20:47. Forecast: 17/04/26 to 23/04/26. Timezone: UTC+2.00