Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

16:07

04:39

16 OK
17 OK
18 OK
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: 06:07, Set: 20:26, Transit: 13:17. Moon - Rise: 16:07, Set: 04:39. Civil Dark: 21:00 - 05:33. Nautical Dark: 21:42 - 04:51. Astro Dark: 22:30 - 04:02

Total Clouds (% Sky Obscured)

32
43
46
55
100
100
100
91
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

29
14
20
2
0
0
0
2
45
40
62
46
60
60
60
60
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

32
43
43
45
100
100
100
90
88
100
100
100
100
100
100
100
100
100
100
100
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
1
0
0
0
1
2
5
10
17
20

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

Chance of Frost

Temperature (°C)

19
19
18
16
13
11
10
10
9
9
9
8
8
8
8
9
10
12
14
16
16
17
18
18

Feels Like (°C)

17
16
16
15
11
9
8
8
8
7
7
6
6
6
6
7
9
10
13
14
14
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

35
38
46
64
78
84
87
84
85
82
81
79
82
81
82
78
72
67
60
56
52
50
45
43

Pressure (mb)

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

Ozone (du)

368
369
370
371
370
370
372
373
372
372
373
376
377
376
378
377
378
379
380
380
380
381
382
382

Tuesday 28

Waxing Gibbous 92%

17:17

04:54

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 OK
14 OK
15 Bad

Sun - Rise: 06:05, Set: 20:28, Transit: 13:17. Moon - Rise: 17:17, Set: 04:54. Civil Dark: 21:01 - 05:31. Nautical Dark: 21:44 - 04:49. Astro Dark: 22:32 - 04:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
30
14
55

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
6
2
3
5
15
17
20
40
61
71
72
26
25
47
51
13
8
2

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
89
81
52
36
3
0
0

High Clouds (% Sky Obscured)

100
97
81
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
71
19
5
50

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
1
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 (%)

22
21
20
29
7
5
4
4
2
1
3
5
6
9
13
24
23
14
13
26
16
13
12
10

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
7
7
7
6
4
4
4
4
4
4
4
4
4
4
4
4
3
3
5
7
8
10
12

Chance of Frost

Temperature (°C)

18
18
17
15
13
12
11
11
10
10
10
9
9
9
8
9
9
10
11
13
15
15
16
16

Feels Like (°C)

15
14
13
12
11
9
9
9
8
8
8
7
7
7
6
7
7
8
10
10
12
12
14
13

Dew Point (°C)

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

Relative Humidity (%)

42
45
52
63
74
77
80
81
83
83
85
87
87
90
90
88
84
78
70
61
55
48
42
38

Pressure (mb)

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

Ozone (du)

382
384
384
385
386
387
387
387
387
386
390
392
391
389
387
387
388
391
391
390
390
392
395
397

Wednesday 29

Waxing Gibbous 97%

18:27

05:10

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: 06:04, Set: 20:29, Transit: 13:17. Moon - Rise: 18:27, Set: 05:10. Civil Dark: 21:03 - 05:29. Nautical Dark: 21:46 - 04:46. Astro Dark: 22:34 - 03:57

Total 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

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)

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 (%)

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 (%)

11
10
6
3
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)

12
12
12
11
9
8
7
6
6
6
6
5
5
5
4
4
4
4
5
6
6
7
9
10

Chance of Frost

Temperature (°C)

16
15
14
12
10
8
6
5
5
4
4
4
3
3
3
4
6
9
11
13
15
16
17
17

Feels Like (°C)

11
12
11
10
8
6
5
4
3
3
2
2
2
1
1
2
5
8
10
11
13
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

39
42
44
50
59
65
71
75
78
79
79
79
80
82
80
76
63
55
49
43
37
33
30
30

Pressure (mb)

1017
1017
1017
1018
1019
1020
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021

Ozone (du)

399
405
403
403
403
403
404
404
403
404
403
402
401
399
398
398
397
398
396
395
393
390
389
388

Thursday 30

Waxing Gibbous 99%

19:37

05:27

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: 06:02, Set: 20:30, Transit: 13:17. Moon - Rise: 19:37, Set: 05:27. Civil Dark: 21:05 - 05:28. Nautical Dark: 21:48 - 04:44. Astro Dark: 22:37 - 03:55

Total Clouds (% Sky Obscured)

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

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
1
1
0
0
0
0
0
2
0
0
0
0
0
2
3
2
2
2
2
1
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
10
9
8
7
6
6
5
4
4
3
3
3
3
3
2
2
3
4
4
5
5
5
5

Chance of Frost

Temperature (°C)

17
16
15
13
10
8
7
6
6
5
5
5
4
4
4
5
8
10
12
14
16
18
19
19

Feels Like (°C)

15
14
13
12
8
7
6
5
4
5
5
4
4
4
4
5
8
10
12
14
15
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

30
33
36
47
58
64
67
67
67
68
68
68
69
69
69
70
61
55
51
47
43
39
36
35

Pressure (mb)

1021
1021
1021
1022
1022
1024
1024
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1023
1023

Ozone (du)

387
386
386
384
383
382
382
382
383
383
382
382
381
380
379
379
380
381
381
382
382
382
381
381

Friday 1

Full Moon 100%

20:47

05:49

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 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:00, Set: 20:32, Transit: 13:17. Moon - Rise: 20:47, Set: 05:49. Civil Dark: 21:06 - 05:26. Nautical Dark: 21:49 - 04:42. Astro Dark: 22:39 - 03:52

Total Clouds (% Sky Obscured)

1
0
0
0
0
0
1
1
1
1
1
3
3
4
4
4
6
7
8
16
25
34
49
63

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
1
1
1
1
1
3
3
3
3
3
4
5
5
6
7
7
10
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
5
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
8
9
11
11

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
11
15
15
32
42
41
53
57

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
18
16
13
12
10
10
9
8
8
8
8
8
9
10
12
14
16
18
19
19
20
20

Feels Like (°C)

19
19
17
16
13
11
10
9
8
9
8
8
8
8
9
10
13
13
15
16
17
17
18
20

Dew Point (°C)

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

Relative Humidity (%)

35
36
39
55
68
72
72
70
69
70
71
71
75
78
81
77
67
60
53
47
47
47
45
49

Pressure (mb)

1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1021
1020
1020
1019
1019
1018
1018

Ozone (du)

382
382
383
383
383
383
383
384
384
384
384
384
385
385
385
387
389
391
393
395
390
385
380
378

Saturday 2

Waning Gibbous 98%

21:56

06:16

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: 05:59, Set: 20:33, Transit: 13:17. Moon - Rise: 21:56, Set: 06:16. Civil Dark: 21:08 - 05:24. Nautical Dark: 21:51 - 04:40. Astro Dark: 22:41 - 03:50

Total Clouds (% Sky Obscured)

83
87
94
99
98
96
96
92
91
89
93
96
100
100
100
100
100
99
99
99
98
97
94
93

Low Clouds (% Sky Obscured)

12
12
11
7
27
48
68
68
67
47
37
28
20
20
20
22
39
57
76
68
59
53
55
56

Medium Clouds (% Sky Obscured)

13
13
15
17
28
42
56
53
50
47
64
82
96
94
93
91
87
81
76
67
59
48
50
48

High Clouds (% Sky Obscured)

5
25
49
74
55
35
24
26
29
35
38
46
53
64
80
96
95
94
90
90
89
89
89
86

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

51
71
75
71
60
67
76
68
60
47
33
19
4
8
8
2
12
15
16
30
38
45
60
66

Precipitation Amount (mm)

0
0.4
0.4
0.3
0
0.3
0.5
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
18
16
15
14
13
12
11
11
10
10
10
10
11
12
13
14
15
17
17
18
18
18

Feels Like (°C)

20
19
19
20
20
12
12
12
12
11
11
9
8
9
8
8
8
13
13
14
14
14
15
18

Dew Point (°C)

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

Relative Humidity (%)

54
58
65
74
84
87
92
95
95
95
93
91
90
88
87
86
84
76
69
63
60
57
53
54

Pressure (mb)

1017
1017
1017
1017
1017
1018
1018
1019
1018
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1014
1014
1013
1013

Ozone (du)

377
375
373
371
369
370
370
371
371
371
371
371
370
370
369
368
367
367
368
369
369
369
369
368

Sunday 3

Waning Gibbous 95%

23:03

06:50

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

Sun - Rise: 05:57, Set: 20:34, Transit: 13:17. Moon - Rise: 23:03, Set: 06:50. Civil Dark: 21:09 - 05:23. Nautical Dark: 21:53 - 04:38. Astro Dark: 22:44 - 03:47

Total Clouds (% Sky Obscured)

91
93
96
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
70
78
90
86
84
81
82
84
85
84
83
78
86
90
94
95
95
96
90
84
78

Medium Clouds (% Sky Obscured)

45
58
66
76
85
91
97
96
96
96
97
98
99
98
97
96
97
96
95
95
96
96

High Clouds (% Sky Obscured)

77
82
85
90
93
97
100
99
99
98
95
93
90
93
96
100
86
72
67
62
71
87

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

74
87
85
82
89
92
95
95
94
90
82
71
57
60
64
68
90
95
95
95
90
79

Precipitation Amount (mm)

0.3
0.5
0.5
0.4
0.6
0.5
0.7
0.7
0.6
0.6
0.5
0.3
0
0.2
0.3
0.3
0.6
1
1.3
0.9
0.6
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
16
14
12
12
12
12
11
11
11
11
11
10
10
10
10
11
11
11
11
12

Feels Like (°C)

17
16
17
17
17
10
10
11
11
11
12
9
10
9
9
9
9
10
10
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

54
54
65
76
93
92
89
88
88
90
90
90
91
90
93
95
98
98
98
98
96
95

Pressure (mb)

1013
1013
1013
1013
1014
1014
1014
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

367
366
365
363
361
363
365
366
367
367
367
368
368
368
369
370
371
371
371
371
370
370

Forecast for Zwing, Politischer Bezirk Bregenz, Republic of Austria (47.49,9.92)

Generated: 27/04/26 16:26:35. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+2.00