Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Waning Gibbous 81%

00:44

09:45

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 OK
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:30, Set: 21:17, Transit: 13:24. Moon - Rise: 00:44, Set: 09:45. Civil Dark: 21:57 - 04:50. Nautical Dark: 22:50 - 03:56. Astro Dark: 00:08 - 02:38

Total Clouds (% Sky Obscured)

84
87
90
92
100
100
100
100
87
71
93
94
98
98
92
88
37
38
47
93
39
61
70
49

Low Clouds (% Sky Obscured)

84
87
90
90
92
100
89
82
48
71
45
84
88
85
82
82
27
15
28
13
23
44
45
15

Medium Clouds (% Sky Obscured)

84
87
90
92
100
100
100
100
72
40
75
76
88
91
75
22
21
35
43
86
25
20
12
16

High Clouds (% Sky Obscured)

84
87
90
92
100
100
100
100
55
65
65
65
1
0
0
0
0
0
0
5
4
4
22
22

ISS Passover

Visibility (miles)

3
2
2
3
4
8
9
9
9
9
9
9
4
2
6
9
9
6
6
6
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

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

Precipitation Probability (%)

95
95
79
95
95
94
75
50
34
29
34
44
94
73
54
44
53
53
49
15
11
3
4
2

Precipitation Amount (mm)

2.3
2.7
2.5
1.3
0.7
0.5
0.3
0
0
0
0
0
1.3
0.6
0.2
0
0
0.2
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
11
11
11
11
10
10
11
12
12
13
14
16
16
17
19
19
19

Feels Like (°C)

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

Dew Point (°C)

12
11
11
11
11
11
11
11
11
11
10
10
10
10
11
11
12
11
10
9
7
5
5
5

Relative Humidity (%)

96
96
96
96
95
95
95
96
96
96
96
96
95
96
96
95
93
79
68
61
50
40
39
41

Pressure (mb)

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

Ozone (du)

344
348
351
355
358
364
366
369
373
377
384
395
405
405
400
384
381
379
375
378
378
376
373
371

Friday 5

Waning Gibbous 72%

01:06

10:55

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

Sun - Rise: 05:29, Set: 21:18, Transit: 13:24. Moon - Rise: 01:06, Set: 10:55. Civil Dark: 21:58 - 04:50. Nautical Dark: 22:52 - 03:56. Astro Dark: 00:10 - 02:36

Total Clouds (% Sky Obscured)

24
21
65
66
43
15
9
46
95
100
100
100
100
100
100
100
97
80
75
26
55
25
88
64

Low Clouds (% Sky Obscured)

5
4
40
44
27
3
0
0
0
0
0
0
3
4
6
3
3
4
9
9
12
3
3
4

Medium Clouds (% Sky Obscured)

16
19
27
25
20
15
9
15
12
18
14
60
100
100
100
97
84
77
68
26
52
25
36
64

High Clouds (% Sky Obscured)

4
0
0
0
0
0
0
45
93
100
100
100
85
100
100
100
82
0
0
0
0
0
37
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 (%)

2
3
0
0
0
0
0
0
0
0
0
0
0
0
8
30
11
1
1
1
6
3
6
21

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)

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

Chance of Frost

Temperature (°C)

19
18
17
15
14
13
11
11
10
9
9
9
9
10
11
13
14
16
18
19
21
22
23
23

Feels Like (°C)

18
18
18
15
14
13
12
12
10
9
8
9
8
10
11
12
13
16
17
18
21
20
21
20

Dew Point (°C)

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

Relative Humidity (%)

43
52
64
66
69
79
88
93
93
95
95
95
93
87
81
76
70
57
48
42
34
30
29
34

Pressure (mb)

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

Ozone (du)

369
365
358
360
363
362
361
360
357
354
352
351
351
351
350
353
361
368
369
369
368
369
367
367

Saturday 6

Waning Gibbous 63%

01:24

12:06

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

Sun - Rise: 05:29, Set: 21:19, Transit: 13:24. Moon - Rise: 01:24, Set: 12:06. Civil Dark: 21:59 - 04:49. Nautical Dark: 22:53 - 03:55. Astro Dark: 00:13 - 02:34

Total Clouds (% Sky Obscured)

78
28
25
75
53
84
81
33
63
44
58
89
93
93
88
68
88
95
81
79
73
47
37
59

Low Clouds (% Sky Obscured)

14
10
6
60
20
35
17
27
32
28
47
39
47
43
25
27
26
34
16
10
8
5
4
2

Medium Clouds (% Sky Obscured)

72
28
25
25
19
26
16
15
22
23
18
25
17
18
24
13
9
57
55
50
49
14
23
31

High Clouds (% Sky Obscured)

0
0
0
2
23
50
50
6
25
5
4
39
40
35
30
14
30
35
39
44
47
26
2
21

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 (%)

14
13
7
16
17
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
3
4
3

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
6
2
2
3
2
2
2
2
2
2
2
2
2
3
7
7
8
8
8
7
7
7
7

Chance of Frost

Temperature (°C)

21
20
18
17
16
14
14
13
13
13
13
13
13
13
15
16
17
18
18
20
21
21
21
22

Feels Like (°C)

20
19
21
19
16
15
13
13
15
14
14
14
13
13
15
14
15
15
16
18
19
19
20
21

Dew Point (°C)

8
10
12
12
12
12
12
11
12
12
12
12
12
12
12
9
7
8
8
9
10
10
10
11

Relative Humidity (%)

43
55
68
73
75
84
87
89
92
92
95
95
93
89
80
63
53
51
50
49
50
48
47
49

Pressure (mb)

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

Ozone (du)

370
374
374
371
366
364
363
361
358
358
358
358
359
358
358
359
357
356
357
358
359
360
360
359

Sunday 7

Waning Gibbous 52%

01:41

13:17

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

Sun - Rise: 05:29, Set: 21:20, Transit: 13:25. Moon - Rise: 01:41, Set: 13:17. Civil Dark: 21:59 - 04:49. Nautical Dark: 22:54 - 03:54. Astro Dark: 00:15 - 02:33

Total Clouds (% Sky Obscured)

37
46
41
33
75
73
75
20
20
24
32
28
17
6
9
7
8
52
67
75
83
91
100
96

Low Clouds (% Sky Obscured)

1
0
3
6
8
19
10
11
8
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
2
2
0
0
0
0
0
0
0
0
0
1
1
1
0
0
26
44
49
73
83
100
94

High Clouds (% Sky Obscured)

35
46
35
27
66
59
56
7
12
22
32
28
16
2
7
6
7
37
45
67
78
71
100
65

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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
4

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

Chance of Frost

Temperature (°C)

21
20
19
17
15
14
13
12
11
11
10
9
10
12
13
16
18
20
22
24
25
26
26
26

Feels Like (°C)

20
21
21
19
17
13
12
10
12
12
12
11
11
13
15
17
20
22
22
23
24
24
24
25

Dew Point (°C)

10
11
13
12
10
9
9
9
9
9
8
8
9
9
9
9
10
11
10
10
10
8
9
10

Relative Humidity (%)

51
55
68
73
73
75
77
80
84
87
90
91
93
84
74
66
61
55
48
42
37
32
33
35

Pressure (mb)

1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1021
1020
1019
1018
1017
1016
1015
1014

Ozone (du)

357
356
356
355
355
356
358
361
362
358
355
353
350
347
345
345
344
341
341
339
337
337
338
341

Monday 8

Third Quarter 41%

01:57

14:31

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
17 Bad

Sun - Rise: 05:28, Set: 21:20, Transit: 13:25. Moon - Rise: 01:57, Set: 14:31. Civil Dark: 22:00 - 04:49. Nautical Dark: 22:55 - 03:54. Astro Dark: 00:17 - 02:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
80
91
100
76
97
95
95
96
95
99
98
96
95
93
92
87
81
72
73

Low Clouds (% Sky Obscured)

14
55
8
62
66
17
58
32
48
27
80
84
88
92
92
89
87
85
81
76
69
64
58
53

Medium Clouds (% Sky Obscured)

99
99
95
91
87
44
37
30
29
24
85
91
95
95
88
89
90
88
92
92
77
59
42
33

High Clouds (% Sky Obscured)

65
100
100
100
67
80
62
100
43
84
76
72
68
60
74
48
22
21
19
17
37
52
41
46

ISS Passover

Visibility (miles)

9
9
5
4
9
9
9
9
9
9
9
9
8
5
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
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
53
76
47
17
49
62
72
73
74
78
82
76
49
62
57
50
48
42
26
28
25
20
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
24
22
20
19
18
17
17
16
16
15
15
15
14
14
14
13
13
14
14
15
16
16
17

Feels Like (°C)

24
24
19
21
20
18
18
17
16
16
14
14
13
13
12
12
13
12
13
12
12
13
13
13

Dew Point (°C)

13
17
18
19
18
17
17
16
16
16
15
14
14
14
13
13
12
12
12
12
12
11
10
9

Relative Humidity (%)

48
67
78
95
96
96
95
96
96
96
95
93
96
96
93
93
93
93
90
87
83
74
65
58

Pressure (mb)

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

Ozone (du)

345
341
340
338
342
346
349
350
351
348
348
351
355
356
356
358
359
361
364
367
370
368
366
365

Tuesday 9

Waning Crescent 30%

02:13

15:48

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 OK
17 OK

Sun - Rise: 05:28, Set: 21:21, Transit: 13:25. Moon - Rise: 02:13, Set: 15:48. Civil Dark: 22:01 - 04:48. Nautical Dark: 22:56 - 03:53. Astro Dark: 00:18 - 02:30

Total Clouds (% Sky Obscured)

77
81
87
94
100
97
94
91
84
74
63
61
62
63
71
77
84
88
93
100
83
60
40
45

Low Clouds (% Sky Obscured)

49
45
39
33
27
23
19
15
15
16
14
10
6
3
9
15
22
15
8
0
0
1
1
0

Medium Clouds (% Sky Obscured)

28
30
50
75
85
89
89
88
80
68
62
50
39
35
27
13
0
13
27
41
28
15
2
2

High Clouds (% Sky Obscured)

45
40
55
77
100
95
90
85
62
39
18
20
23
30
29
30
30
57
78
100
83
60
34
37

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 (%)

24
17
30
39
43
42
39
19
20
18
10
12
9
1
3
3
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)

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

Chance of Frost

Temperature (°C)

16
15
15
13
12
10
10
9
9
8
7
7
8
9
10
12
14
16
18
19
21
22
22
22

Feels Like (°C)

13
13
13
13
13
13
12
12
10
7
7
7
7
7
6
10
11
11
12
12
13
21
21
20

Dew Point (°C)

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

Relative Humidity (%)

62
65
69
75
83
90
90
93
93
95
94
96
90
87
81
70
60
52
47
41
38
36
35
34

Pressure (mb)

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

Ozone (du)

362
360
358
356
354
352
351
349
348
348
348
348
346
344
342
343
343
343
343
343
344
344
344
345

Wednesday 10

Waning Crescent 20%

02:32

17:09

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

Sun - Rise: 05:28, Set: 21:22, Transit: 13:25. Moon - Rise: 02:32, Set: 17:09. Civil Dark: 22:02 - 04:48. Nautical Dark: 22:57 - 03:53. Astro Dark: 00:20 - 02:28

Total Clouds (% Sky Obscured)

49
54
41
30
22
29
37
52
54
56
54
42
36
33
32
30
29
34
40
49

Low Clouds (% Sky Obscured)

0
0
0
0
0
8
14
21
12
6
0
3
5
8
5
2
0
0
0
0

Medium Clouds (% Sky Obscured)

1
0
3
4
6
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

49
54
41
27
10
16
23
28
30
23
22
15
12
9
10
14
18
21
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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
5
8
9
9
7
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
19
17
15
14
13
12
11
11
10
10
11
12
14
15
18
20
21
22

Feels Like (°C)

22
22
23
18
18
18
17
16
15
12
12
12
12
11
11
17
17
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

41
50
59
64
68
72
76
80
84
87
87
90
84
79
74
64
54
47
42
38

Pressure (mb)

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

Ozone (du)

344
343
342
343
344
346
345
345
345
346
348
349
348
347
346
346
345
344
344
343

Forecast for Rümlang, Dielsdorf, Switzerland (47.45,8.53)

Generated: 04/06/26 18:44:16. Forecast: 04/06/26 to 10/06/26. Timezone: UTC+2.00