Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 3

Waning Gibbous 71%

22:42

12:37

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

Sun - Rise: 06:08, Set: 20:57, Transit: 13:31. Moon - Rise: 22:42, Set: 12:37. Civil Dark: 21:32 - 05:33. Nautical Dark: 22:17 - 04:48. Astro Dark: 23:11 - 03:54

Total Clouds (% Sky Obscured)

45
57
67
74
100
71
52
23
17
5
16
21
25
28
28
14
3
4
2
47
62
65
65
100

Low Clouds (% Sky Obscured)

1
0
5
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)

43
57
67
74
81
66
50
20
2
2
14
20
24
23
24
12
1
1
0
23
16
27
31
22

High Clouds (% Sky Obscured)

45
57
67
74
100
68
2
2
14
3
2
2
2
4
4
2
2
2
2
28
59
65
65
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

36
21
58
13
0
0
0
0
0
0
0
0
0
0
0
1
3
3
5
15
23
40
13
46

Precipitation Amount (mm)

0
0
0.7
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
3
1
5
2
3
2
2
2
1
1
2
1
1
2
2
1
2
2
2
1
3
8
5

Chance of Frost

Temperature (°C)

30
28
25
24
23
23
22
22
21
20
19
19
21
24
26
28
31
33
34
35
35
35
32
30

Feels Like (°C)

32
30
27
26
25
24
25
24
25
23
23
23
25
28
30
32
34
36
37
38
38
39
35
35

Dew Point (°C)

29
27
24
23
22
22
21
21
20
19
19
18
19
21
20
19
18
17
17
16
16
16
13
16

Relative Humidity (%)

93
94
92
92
92
95
95
96
96
95
96
95
91
82
69
55
46
40
35
32
31
31
31
42

Pressure (mb)

1013
1013
1014
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1013
1012
1012
1011
1012
1012

Ozone (du)

303
305
306
305
304
305
304
304
305
306
308
307
307
307
307
307
307
308
309
309
309
309
307
306

Tuesday 4

Waning Gibbous 60%

23:00

13:56

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

Sun - Rise: 06:09, Set: 20:55, Transit: 13:31. Moon - Rise: 23:00, Set: 13:56. Civil Dark: 21:30 - 05:34. Nautical Dark: 22:15 - 04:49. Astro Dark: 23:09 - 03:57

Total Clouds (% Sky Obscured)

100
100
100
100
73
90
100
100
34
51
61
67
33
52
43
43
34
33
41
41
52
86
66
51

Low Clouds (% Sky Obscured)

36
7
31
2
0
0
0
0
3
13
22
20
23
42
36
38
34
33
38
41
52
45
37
34

Medium Clouds (% Sky Obscured)

73
66
77
54
31
38
30
21
23
40
49
24
20
23
19
14
4
3
3
3
6
26
66
41

High Clouds (% Sky Obscured)

100
100
100
100
73
71
99
100
11
4
2
54
0
0
2
4
3
2
2
1
4
75
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
1
13
24
6
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
87
67
9
8
0
1
0
1
1
1
2
10
16
31
24
19
18
15
20
57
50
19

Precipitation Amount (mm)

1.1
0.5
0.6
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.3
0

Wind Speed/Direction (mph)

11
7
5
4
3
2
2
2
1
1
1
1
1
2
4
4
4
5
5
6
6
7
7
5

Chance of Frost

Temperature (°C)

28
24
23
22
21
21
20
20
20
19
19
19
21
23
24
26
27
28
29
30
30
30
28
27

Feels Like (°C)

26
24
24
23
23
24
22
21
21
22
21
21
24
27
28
28
30
31
32
32
32
30
28
28

Dew Point (°C)

18
22
22
21
20
20
19
19
19
19
18
18
19
18
17
16
15
14
13
12
12
12
12
15

Relative Humidity (%)

52
85
92
95
94
93
93
93
93
95
95
92
88
76
64
53
47
41
36
33
32
33
36
48

Pressure (mb)

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

Ozone (du)

304
302
302
303
305
306
306
305
304
304
304
303
301
302
302
303
304
304
305
305
305
304
304
303

Wednesday 5

Waning Gibbous 49%

23:23

15:17

20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK
03 OK
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
18 Bad
19 Bad

Sun - Rise: 06:10, Set: 20:54, Transit: 13:31. Moon - Rise: 23:23, Set: 15:17. Civil Dark: 21:29 - 05:35. Nautical Dark: 22:13 - 04:51. Astro Dark: 23:06 - 03:59

Total Clouds (% Sky Obscured)

68
80
75
76
44
45
39
46
48
52
54
63
60
64
55
59
60
60
61
60
92
94
93
92

Low Clouds (% Sky Obscured)

28
51
8
12
16
16
19
23
30
34
31
42
47
49
49
56
55
40
31
22
35
10
20
6

Medium Clouds (% Sky Obscured)

52
61
68
66
36
37
34
29
34
37
52
63
60
64
55
59
52
53
59
60
64
67
91
91

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
6
8
2
2
0
9
35
45
40

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
6

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
Light Rain
Very Light Rain

Precipitation Probability (%)

29
12
7
4
1
0
1
1
1
1
0
0
1
5
5
5
9
12
18
25
29
83
95
74

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
0.5
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
24
23
23
22
21
21
20
19
19
19
19
20
22
23
24
25
26
27
27
27
27
26
24

Feels Like (°C)

28
27
24
24
23
25
25
24
23
22
23
23
24
25
26
27
29
29
30
29
27
26
25
24

Dew Point (°C)

17
18
18
17
17
17
18
18
17
17
17
17
16
14
13
12
11
11
10
10
10
14
14
23

Relative Humidity (%)

58
67
70
71
72
77
82
86
88
88
89
85
75
63
54
47
42
38
35
33
34
43
47
95

Pressure (mb)

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

Ozone (du)

303
305
306
306
305
304
303
302
301
301
302
301
301
302
304
305
304
304
303
301
299
298
296
297

Thursday 6

Third Quarter 37%

23:53

16:38

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

Sun - Rise: 06:12, Set: 20:52, Transit: 13:31. Moon - Rise: 23:53, Set: 16:38. Civil Dark: 21:27 - 05:37. Nautical Dark: 22:11 - 04:53. Astro Dark: 23:03 - 04:01

Total Clouds (% Sky Obscured)

90
87
86
86
86
88
85
84
40
41
51
62
64
62
49
43
49
69
69
60
12
20
5
2

Low Clouds (% Sky Obscured)

32
45
60
61
69
74
79
84
22
21
34
44
39
30
11
0
0
0
4
8
11
17
5
2

Medium Clouds (% Sky Obscured)

86
84
79
38
36
40
41
36
35
37
34
31
20
11
0
4
8
12
8
4
0
0
0
0

High Clouds (% Sky Obscured)

35
30
35
35
30
30
30
0
0
0
0
0
13
25
41
42
42
56
55
42
2
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 (%)

40
12
30
4
2
1
3
1
2
1
2
0
0
3
4
6
6
5
3
5
2
1
1
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)

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

Chance of Frost

Temperature (°C)

23
22
21
20
19
19
18
18
18
17
17
17
18
19
21
22
24
25
27
27
27
28
27
26

Feels Like (°C)

24
23
23
22
21
20
20
20
19
21
20
20
20
21
21
22
24
25
25
25
26
27
27
27

Dew Point (°C)

22
21
20
19
18
18
18
17
17
16
16
17
16
16
12
10
9
9
9
9
10
10
10
12

Relative Humidity (%)

98
96
95
95
93
93
95
95
96
96
96
96
90
78
58
44
39
35
33
33
33
33
34
42

Pressure (mb)

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

Ozone (du)

298
300
301
303
305
307
308
309
315
314
316
318
320
321
324
323
320
320
319
318
318
315
315
315

Friday 7

Waning Crescent 26%

00:35

17:53

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

Sun - Rise: 06:13, Set: 20:51, Transit: 13:31. Moon - Rise: 00:35, Set: 17:53. Civil Dark: 21:25 - 05:38. Nautical Dark: 22:09 - 04:55. Astro Dark: 23:01 - 04:04

Total Clouds (% Sky Obscured)

1
46
55
50
50
50
5
4
3
18
33
44
22
15
5
8
11
14
9
4
0
0
0
0

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
1
2
3
2
1
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
3
3
2
5
8
12
7
3
0
0
0
0

High Clouds (% Sky Obscured)

0
40
50
45
40
35
2
2
0
18
33
44
22
15
4
3
1
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
1
1
1
2
1
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)

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

Chance of Frost

Temperature (°C)

24
22
20
18
17
16
15
15
14
13
14
14
15
18
21
23
25
26
28
28
29
29
28
26

Feels Like (°C)

26
24
20
18
17
16
15
16
15
15
15
16
18
19
19
21
22
23
24
32
31
30
31
31

Dew Point (°C)

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

Relative Humidity (%)

55
58
60
64
65
65
62
64
64
64
67
69
64
59
57
54
47
40
35
32
31
28
34
40

Pressure (mb)

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

Ozone (du)

313
308
305
306
307
308
308
306
305
305
304
303
304
304
303
303
302
301
300
299
299
298
299
300

Saturday 8

Waning Crescent 16%

01:32

18:55

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

Sun - Rise: 06:14, Set: 20:49, Transit: 13:31. Moon - Rise: 01:32, Set: 18:55. Civil Dark: 21:24 - 05:40. Nautical Dark: 22:07 - 04:56. Astro Dark: 22:58 - 04:06

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
20
43
65
63
52
38
32
24
18
20
21
22
38
53
69
63
60
61

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
11
5
2
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
3
4
8
13
15
15
15
16
11
6
1
4
7
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
20
43
65
63
40
14
9
5
1
2
4
5
27
47
68
63
57
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 (%)

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

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

Chance of Frost

Temperature (°C)

25
23
21
20
18
17
16
15
14
14
14
15
15
19
22
25
27
28
30
31
31
32
30
29

Feels Like (°C)

32
25
26
26
25
24
23
17
17
16
16
16
15
19
21
22
23
24
24
34
33
32
33
33

Dew Point (°C)

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

Relative Humidity (%)

47
51
56
61
63
66
68
68
70
70
68
66
62
57
51
46
40
35
31
29
27
24
30
36

Pressure (mb)

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

Ozone (du)

301
302
303
304
304
304
304
302
301
300
300
300
300
300
300
301
300
300
299
299
299
299
299
299

Sunday 9

Waning Crescent 8%

02:44

19:42

20 Bad
21 Bad
22 Bad
23 OK
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: 06:16, Set: 20:47, Transit: 13:31. Moon - Rise: 02:44, Set: 19:42. Civil Dark: 21:22 - 05:41. Nautical Dark: 22:05 - 04:58. Astro Dark: 22:56 - 04:08

Total Clouds (% Sky Obscured)

62
58
54
44
34
26
31
34
37
49
61
73
75
73
74
70
66
62

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
5
10
12
13
9
5
0

Medium Clouds (% Sky Obscured)

21
33
45
39
33
26
31
28
30
25
19
11
24
37
50
58
66
62

High Clouds (% Sky Obscured)

41
22
12
7
4
1
11
20
30
37
44
55
49
45
38
28
23
18

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

3
2
2
3
2
0
3
4
3
12
15
11
19
20
20
23
45
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4

Wind Speed/Direction (mph)

3
3
2
2
2
2
2
2
2
3
2
1
2
2
2
2
1
2

Chance of Frost

Temperature (°C)

27
26
24
22
20
19
18
17
17
17
17
18
18
21
23
25
26
26

Feels Like (°C)

35
25
25
26
25
24
22
19
20
20
19
19
18
20
21
21
21
20

Dew Point (°C)

14
14
13
13
12
12
12
12
12
12
12
12
12
12
11
12
10
8

Relative Humidity (%)

44
48
52
55
60
63
67
68
71
73
70
67
65
56
48
42
37
32

Pressure (mb)

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

Ozone (du)

299
300
300
301
301
301
301
300
300
299
301
303
305
306
307
308
309
309

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

Generated: 03/08/26 20:58:48. Forecast: 03/08/26 to 09/08/26. Timezone: UTC+2.00