Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waxing Gibbous 91%

16:52

05:21

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:26, Set: 20:23, Transit: 13:24. Moon - Rise: 16:52, Set: 05:21. Civil Dark: 20:55 - 05:53. Nautical Dark: 21:36 - 05:12. Astro Dark: 22:21 - 04:27

Total Clouds (% Sky Obscured)

86
75
79
79
79
79
75
75
86
79
75
100
75
50
90
70
94
95
96
93
80
55
46
52

Low Clouds (% Sky Obscured)

80
64
41
61
59
54
21
48
72
65
79
75
76
75
93
73
69
73
59
64
61
51
45
51

Medium Clouds (% Sky Obscured)

22
0
0
24
48
30
40
81
81
100
100
100
100
100
76
100
100
100
100
58
51
42
6
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
0
0
0
0
0
2
2
2
2
0
0
0
0
0
2
2

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
6
4
5
6
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

100
100
100
0
0
0
0
0
0
0
100
100
100
100
100
100
89
92
82
69
59
40
32
14

Precipitation Amount (mm)

0.3
0.4
0.4
0
0
0
0
0
0
0
0.5
0.6
0.6
0.6
0.4
0.5
0.7
0.7
0.5
0.5
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
100
100
100
100
100
96
97
93
97
95
89
91
90
95
69
71
81
85
88
93
94
94

Pressure (mb)

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

Ozone (du)

421
422
422
428
430
429
427
427
429
433
434
436
436
437
435
434
434
434
434
433
433
430
426
422

Sunday 21

Waxing Gibbous 96%

17:57

05:34

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:24, Set: 20:24, Transit: 13:24. Moon - Rise: 17:57, Set: 05:34. Civil Dark: 20:57 - 05:51. Nautical Dark: 21:38 - 05:10. Astro Dark: 22:23 - 04:25

Total Clouds (% Sky Obscured)

55
66
96
99
99
100
99
100
100
100
100
100
100
100
91
100
100
100
89
99
100
99
100
100

Low Clouds (% Sky Obscured)

50
39
79
86
87
82
67
63
100
86
89
98
99
65
73
86
78
61
61
39
45
75
85
91

Medium Clouds (% Sky Obscured)

26
51
61
93
96
99
97
100
100
100
100
100
100
100
72
100
100
100
69
98
100
96
100
100

High Clouds (% Sky Obscured)

2
12
27
45
40
45
45
0
0
0
0
0
0
0
0
0
0
0
0
0
0
60
4
60

ISS Passover

Visibility (miles)

9
9
9
9
9
5
0
0
0
0
0
0
1
0
0
0
0
1
1
0
9
5
5
5

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
Snow
Snow
Snow
Light Rain
Light Rain
Snow
Snow
Light Rain
Sleet
Sleet
Light Rain
Light Rain
Light Rain
Snow
None
None
Very Light Rain
Snow

Precipitation Probability (%)

18
14
19
31
33
56
79
88
95
95
95
93
95
95
95
94
95
95
76
51
38
42
49
54

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.2
0.8
1.4
0.7
0.5
0.7
0.9
1.1
0.7
1
1.1
0.6
0.1
0
0
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
98
96
96
100
100
98
100
98
96
88
88
93
96
94
90
93
98
96
98
98
98

Pressure (mb)

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

Ozone (du)

422
422
421
421
422
423
427
434
440
440
440
440
440
439
438
437
437
437
437
437
438
438
442
443

Monday 22

Waxing Gibbous 98%

19:04

05:48

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:22, Set: 20:25, Transit: 13:24. Moon - Rise: 19:04, Set: 05:48. Civil Dark: 20:58 - 05:49. Nautical Dark: 21:39 - 05:08. Astro Dark: 22:25 - 04:22

Total Clouds (% Sky Obscured)

100
100
99
100
95
85
98
97
98
98
97
96
100
100
100
100
100
100
100
100
99
99
98
100

Low Clouds (% Sky Obscured)

95
94
91
86
82
70
62
77
93
93
93
93
94
89
93
90
91
90
89
79
76
69
49
44

Medium Clouds (% Sky Obscured)

100
100
97
100
67
48
89
88
88
89
54
85
100
100
100
100
100
74
100
100
96
96
94
100

High Clouds (% Sky Obscured)

60
60
60
60
61
65
60
60
60
55
2
38
50
59
50
50
52
79
54
45
50
61
68
98

ISS Passover

Visibility (miles)

4
4
0
5
9
9
9
5
5
9
3
2
1
0
0
0
1
3
4
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

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

Precipitation Probability (%)

45
46
46
45
33
27
23
28
41
56
64
63
65
74
67
62
65
62
56
44
26
19
16
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
100
98
96
98
96
94
91
86
85
83
89
94
96
83
86
91
89
93
94
98
96

Pressure (mb)

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

Ozone (du)

444
446
445
442
441
442
443
443
444
446
447
447
447
447
447
447
447
447
448
445
444
442
441
440

Tuesday 23

Waxing Gibbous 100%

20:12

06:02

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:20, Set: 20:27, Transit: 13:24. Moon - Rise: 20:12, Set: 06:02. Civil Dark: 21:00 - 05:47. Nautical Dark: 21:41 - 05:06. Astro Dark: 22:27 - 04:20

Total Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
90
81
71
71

Low Clouds (% Sky Obscured)

67
80
78
80
82
85
88
92
92
98
95
92
92
97
93
89
76
76
87
89
86
72
64
65

Medium Clouds (% Sky Obscured)

94
100
100
100
100
100
100
100
99
100
97
93
77
77
100
100
100
100
100
100
80
60
39
32

High Clouds (% Sky Obscured)

54
100
100
100
55
17
2
24
24
3
5
10
0
0
0
0
0
0
0
0
0
0
2
0

ISS Passover

Visibility (miles)

1
0
7
9
9
7
2
4
4
5
5
2
2
1
9
6
5
3
5
8
9
9
6
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
Snow
Snow
Light Rain
Very Light Rain
Light Rain
Sleet
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
None

Precipitation Probability (%)

13
27
25
25
27
40
55
63
64
72
74
71
81
70
63
73
79
74
69
64
57
54
53
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.3
0.7
0.3
0.3
0.5
0.6
0.5
0.4
0.3
0.2
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
96
96
98
96
94
93
88
82
79
76
73
76
75
76
82
88
89
93
94
96

Pressure (mb)

1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1012
1012
1012
1013
1013
1013
1014

Ozone (du)

439
441
442
443
443
442
443
446
449
449
449
449
451
451
450
449
448
448
448
446
444
444
446
446

Wednesday 24

Full Moon 100%

21:23

06:18

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK

Sun - Rise: 06:19, Set: 20:28, Transit: 13:23. Moon - Rise: 21:23, Set: 06:18. Civil Dark: 21:02 - 05:45. Nautical Dark: 21:43 - 05:04. Astro Dark: 22:30 - 04:17

Total Clouds (% Sky Obscured)

68
70
65
61
57
67
78
86
84
80
86
85
100
100
100
100
100
91
81
72
65
62
29
33

Low Clouds (% Sky Obscured)

62
59
58
53
52
54
54
56
56
56
53
59
67
91
90
84
79
70
63
56
39
17
1
21

Medium Clouds (% Sky Obscured)

29
29
26
26
35
39
44
46
53
51
64
83
99
100
100
100
100
82
62
42
46
51
23
15

High Clouds (% Sky Obscured)

0
0
3
3
3
3
3
3
3
3
0
0
0
3
3
3
0
0
0
0
0
1
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
4
4
0
1
2
5
7
8
9
9
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

33
21
17
16
9
15
16
11
17
22
44
56
65
73
77
79
80
74
66
65
54
40
21
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.5
0.6
0.6
0.5
0.3
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
1
1
0
-0
-1
-0
0
1
2
4
5
6
6
7
7
6
6
6
5
5
4
3
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
98
98
98
98
98
96
89
82
75
70
67
70
75
76
78
79
86
88
91
94
98

Pressure (mb)

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

Ozone (du)

446
444
441
439
437
435
433
433
433
433
433
432
433
433
432
430
429
430
429
429
428
428
430
430

Thursday 25

Waning Gibbous 99%

22:36

06:38

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:17, Set: 20:30, Transit: 13:23. Moon - Rise: 22:36, Set: 06:38. Civil Dark: 21:03 - 05:43. Nautical Dark: 21:45 - 05:02. Astro Dark: 22:32 - 04:15

Total Clouds (% Sky Obscured)

43
67
80
83
86
80
76
71
84
85
89
90
91
90
80
65
54
57
61
65
68
70
71
63

Low Clouds (% Sky Obscured)

41
65
69
69
70
67
63
60
82
87
90
83
77
70
57
45
32
35
33
30
32
33
33
37

Medium Clouds (% Sky Obscured)

8
2
3
4
5
4
3
2
2
1
0
15
33
55
44
35
21
24
32
37
33
32
28
20

High Clouds (% Sky Obscured)

0
0
4
7
9
7
3
0
0
0
0
0
0
0
1
3
7
5
3
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
0
0
0
0
0
3
6
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 (%)

9
2
2
3
3
4
17
24
27
26
24
30
33
35
34
32
30
30
29
28
23
17
7
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
-1
-1
-2
-2
-2
-1
-1
-0
1
2
3
2
1
0
9
8
8
9
10
10
5
4
4

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
96
96
96
98
98
100
98
96
96
81
68
56
53
50
47
57
65
76
81
83
86

Pressure (mb)

1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1011
1011
1012
1012

Ozone (du)

430
430
430
431
430
428
426
426
426
427
428
429
428
428
427
427
427
427
428
428
429
429
430
430

Friday 26

Waning Gibbous 96%

23:49

07:04

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:15, Set: 20:31, Transit: 13:23. Moon - Rise: 23:49, Set: 07:04. Civil Dark: 21:05 - 05:42. Nautical Dark: 21:47 - 05:00. Astro Dark: 22:34 - 04:12

Total Clouds (% Sky Obscured)

61
59
63
73
80
85
91
95
86
80
72
70
67
60
53
62
70
62
57
60
68
80
87
90

Low Clouds (% Sky Obscured)

50
61
58
56
51
46
41
36
29
20
10
6
5
6
4
4
1
2
3
4
6
7
9
20

Medium Clouds (% Sky Obscured)

13
3
9
18
25
40
54
69
67
66
56
52
49
50
55
63
67
62
57
49
37
28
25
39

High Clouds (% Sky Obscured)

0
0
22
54
86
73
54
36
24
12
0
0
0
0
12
24
39
36
30
25
28
30
33
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
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 (%)

4
0
0
0
0
0
0
0
1
1
1
7
8
5
12
14
11
18
21
22
21
16
8
8

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)

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

Chance of Frost

Temperature (°C)

4
3
2
2
1
0
1
2
2
4
7
9
11
12
14
14
14
14
13
11
10
8
7
5

Feels Like (°C)

4
3
3
0
0
-0
-1
-1
-1
1
2
3
4
5
5
13
13
12
12
13
13
7
6
6

Dew Point (°C)

2
1
1
1
0
-1
-1
-1
-0
0
1
2
2
2
2
2
2
2
3
5
6
5
5
4

Relative Humidity (%)

89
89
93
93
93
92
89
86
83
75
67
62
55
51
46
45
44
43
53
65
78
82
87
91

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1014
1014
1013
1013
1013
1012
1011
1011
1010
1010
1009
1009
1010
1010
1010
1011
1011

Ozone (du)

428
427
425
427
429
431
431
430
430
431
432
433
432
431
430
428
427
426
426
426
427
426
426
426

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

Generated: 20/04/24 16:20:04. Forecast: 20/04/24 to 26/04/24. Timezone: UTC+2.00