Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waxing Gibbous 85%

15:45

05:19

12 Bad
13 Bad
14 Bad
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

Sun - Rise: 06:24, Set: 20:19, Transit: 13:23. Moon - Rise: 15:45, Set: 05:19. Civil Dark: 20:52 - 05:51. Nautical Dark: 21:32 - 05:11. Astro Dark: 22:17 - 04:26

Total Clouds (% Sky Obscured)

90
90
92
90
90
100
82
92
92
92
100
90
82
95
93
93
96
82
99
96
100
100
100
100

Low Clouds (% Sky Obscured)

81
77
86
86
90
94
96
99
100
89
100
83
81
90
85
64
54
73
77
82
89
96
83
76

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
69
39
65
37
0
2
7
92
89
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
54
54
5
1
0
0
0
0
0
0
0
0
3
3
3
15
2
3

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
8
9
9
9
9
9
1
0
0

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
81
66
84
33
16
12
3
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
95
81
90
34
44
63
84
90
92

Precipitation Amount (mm)

0
0
0
0.2
0.5
0.7
1.3
2
2.4
1.1
0.8
0.7
0.7
1.1
0.5
1.4
0.5
0.8
0
0
0.2
0.6
0.6
0.6

Wind Speed/Direction (mph)

19
21
24
23
24
21
20
19
18
14
12
12
10
9
8
6
7
8
7
6
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
59
63
74
76
80
85
84
84
93
96
91
94
94
94
96
94
94
96
98
94
93
96
98

Pressure (mb)

1019
1017
1016
1016
1015
1015
1014
1014
1013
1014
1014
1015
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1020
1021

Ozone (du)

404
404
405
405
406
408
412
419
424
425
424
421
422
422
423
425
425
425
421
420
422
426
431
432

Sunday 21

Waxing Gibbous 91%

16:50

05:33

12 Bad
13 Bad
14 Bad
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

Sun - Rise: 06:22, Set: 20:21, Transit: 13:23. Moon - Rise: 16:50, Set: 05:33. Civil Dark: 20:54 - 05:50. Nautical Dark: 21:34 - 05:09. Astro Dark: 22:19 - 04:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
96
100
94
92
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
72
79
74
73
69
66
69
67
68
59
62
73
88
84
90
88
87
84
87
68
90
100
97

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
94
83
100
92
67
98
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

3
3
5
2
3
3
0
0
0
0
0
0
0
15
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
1
1
3
5
6
6
9
9
9
9
9
4
3
9
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
1
6
11
16
14
9
6
3
1
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

89
95
95
95
95
93
78
73
71
70
62
46
44
58
74
78
95
95
95
92
91
95
95
95

Precipitation Amount (mm)

0.6
0.7
0.8
0.7
0.8
0.7
0.5
0.4
0.4
0.4
0.3
0
0
0
0.5
0.4
0.8
1.7
0.9
0.4
0.2
0.6
1.4
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
94
82
76
74
74
76
83
84
91
94
94
96
96
96
98
100
100
100
100
100
100
100
98

Pressure (mb)

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

Ozone (du)

436
438
437
436
436
436
435
433
431
429
430
432
433
435
436
438
436
433
431
431
433
434
434
432

Monday 22

Waxing Gibbous 96%

17:56

05:46

12 Bad
13 Bad
14 Bad
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

Sun - Rise: 06:21, Set: 20:22, Transit: 13:22. Moon - Rise: 17:56, Set: 05:46. Civil Dark: 20:55 - 05:48. Nautical Dark: 21:36 - 05:07. Astro Dark: 22:21 - 04:21

Total Clouds (% Sky Obscured)

100
100
100
94
98
100
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
95
98
100

Low Clouds (% Sky Obscured)

97
97
87
70
66
78
70
50
56
77
84
96
72
96
75
74
72
71
77
77
70
85
81
94

Medium Clouds (% Sky Obscured)

100
100
100
76
94
60
59
58
58
100
100
100
100
100
100
100
100
100
100
100
100
79
89
97

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
1
2
1
0
3
60
55
55
50
50
16
1
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
9
9
6
9
0
0
2
3
9
4
3
9
2
2
3
2
6
6

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
91
40
20
14
6
2
1
0

Precipitation Type

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

Precipitation Probability (%)

85
80
69
56
63
66
67
52
29
25
31
44
55
57
69
64
64
54
52
57
44
24
27
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
100
98
98
98
96
96
96
98
98
100
98
96
98
98
96
98
96
96
96
92
91
88

Pressure (mb)

1021
1021
1021
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1020

Ozone (du)

430
429
429
431
433
434
436
437
436
435
434
436
437
437
437
436
437
438
437
434
433
434
437
439

Tuesday 23

Waxing Gibbous 99%

19:02

06:00

12 Bad
13 Bad
14 Bad
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

Sun - Rise: 06:19, Set: 20:24, Transit: 13:22. Moon - Rise: 19:02, Set: 06:00. Civil Dark: 20:57 - 05:46. Nautical Dark: 21:38 - 05:05. Astro Dark: 22:23 - 04:19

Total Clouds (% Sky Obscured)

97
87
96
99
100
92
93
90
99
99
97
83
83
80
78
72
64
64
68
65
96
94
75
86

Low Clouds (% Sky Obscured)

94
80
84
95
85
81
79
67
72
73
69
70
71
73
73
78
78
80
78
76
88
91
85
93

Medium Clouds (% Sky Obscured)

78
72
91
93
98
75
84
87
95
98
96
78
74
66
70
74
71
72
71
72
85
71
65
51

High Clouds (% Sky Obscured)

0
0
0
2
9
10
32
28
36
38
22
7
12
16
12
5
0
9
19
25
15
10
3
4

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7

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
Snow
Very Light Rain
Snow
Snow
Snow
Snow
Snow
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

32
34
33
23
30
21
31
20
13
17
17
27
34
40
47
54
59
64
70
78
71
65
61
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
77
72
67
65
64
67
74
84
86
89
89
91
92
92
92
94
92
94
94
81
75
71
67

Pressure (mb)

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

Ozone (du)

439
438
441
442
441
443
446
444
444
447
450
451
452
450
449
449
449
449
449
448
449
449
451
450

Wednesday 24

Full Moon 100%

20:10

06:17

12 Bad
13 Bad
14 Bad
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

Sun - Rise: 06:17, Set: 20:25, Transit: 13:22. Moon - Rise: 20:10, Set: 06:17. Civil Dark: 20:58 - 05:44. Nautical Dark: 21:39 - 05:02. Astro Dark: 22:25 - 04:16

Total Clouds (% Sky Obscured)

91
100
100
100
100
99
98
98
98
99
93
94
82
94
92
82
95
100
100
100
100
100
100
75

Low Clouds (% Sky Obscured)

95
96
96
99
98
96
93
89
88
86
83
84
82
87
87
84
89
93
95
97
98
99
100
94

Medium Clouds (% Sky Obscured)

50
66
64
62
61
65
66
73
72
69
58
36
45
53
59
64
60
60
60
55
52
51
58
53

High Clouds (% Sky Obscured)

34
41
27
10
13
9
4
0
12
25
37
25
13
0
13
27
40
27
17
3
3
43
38
9

ISS Passover

Visibility (miles)

1
6
6
5
4
4
4
4
0
0
0
0
0
1
9
1
9
9
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

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

Precipitation Probability (%)

59
55
57
58
58
57
54
51
46
45
35
42
44
43
50
53
57
57
56
56
54
52
54
55

Precipitation Amount (mm)

0.2
0
0.2
0.2
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.2
0.2
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
63
59
60
61
69
83
91
96
96
96
96
98
96
98
98
98
96
94
96
91
91
88
80

Pressure (mb)

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

Ozone (du)

450
450
450
447
447
450
453
454
455
454
453
446
440
437
436
434
429
425
423
423
422
419
416
415

Thursday 25

Waning Gibbous 99%

21:21

06:37

12 Bad
13 Bad
14 Bad
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

Sun - Rise: 06:15, Set: 20:26, Transit: 13:22. Moon - Rise: 21:21, Set: 06:37. Civil Dark: 21:00 - 05:42. Nautical Dark: 21:41 - 05:00. Astro Dark: 22:28 - 04:13

Total Clouds (% Sky Obscured)

70
73
79
89
98
99
100
100
99
98
97
98
98
98
99
99
100
96
91
86
85
85
86
90

Low Clouds (% Sky Obscured)

97
95
95
95
95
97
98
100
92
84
76
78
80
82
83
86
87
73
58
44
51
58
66
69

Medium Clouds (% Sky Obscured)

49
54
66
74
82
88
94
100
97
94
91
92
92
91
91
92
95
89
83
74
69
69
69
79

High Clouds (% Sky Obscured)

7
5
17
29
41
51
60
70
80
82
83
62
50
38
48
56
60
52
48
44
28
23
18
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
4
1
4
7
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
Snow
None
None
None
None
None

Precipitation Probability (%)

49
51
80
69
57
58
59
60
56
51
40
42
37
27
27
27
28
32
35
34
36
37
38
36

Precipitation Amount (mm)

0
0
0.5
0.4
0.3
0.3
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
5
5
5
6
5
5
5
4
4
6
5
5
6
6
6
6
6
7
7
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
48
46
47
50
54
61
69
79
81
83
86
89
94
96
94
91
89
86
84
81
73
64
58

Pressure (mb)

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

Ozone (du)

416
416
416
416
415
415
413
412
410
410
409
408
408
407
407
408
410
411
411
411
411
413
416
418

Friday 26

Waning Gibbous 96%

22:34

07:03

12 Bad
13 Bad
14 Bad
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

Sun - Rise: 06:14, Set: 20:28, Transit: 13:22. Moon - Rise: 22:34, Set: 07:03. Civil Dark: 21:01 - 05:40. Nautical Dark: 21:43 - 04:58. Astro Dark: 22:30 - 04:11

Total Clouds (% Sky Obscured)

95
99
98
98
98
86
72
69
83
91
100
96
92
88
83
76
68
70
72
71
78
86
93
94

Low Clouds (% Sky Obscured)

70
71
68
66
65
57
50
42
50
61
77
75
72
70
62
57
52
56
61
62
69
76
84
77

Medium Clouds (% Sky Obscured)

89
96
96
95
95
82
66
53
68
84
100
93
86
79
63
49
35
35
25
25
42
60
77
79

High Clouds (% Sky Obscured)

6
1
6
16
28
46
67
85
83
77
70
51
45
40
50
64
75
74
76
75
55
34
15
12

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 (%)

36
38
40
43
47
48
48
44
44
43
43
40
33
26
35
39
39
42
41
36
40
39
35
34

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
54
53
65
76
91
88
86
83
86
89
91
91
91
91
91
91
91
91
93
91
93
93
93

Pressure (mb)

1011
1011
1010
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

418
417
417
418
418
419
420
422
424
422
421
419
418
418
417
417
417
417
418
418
418
420
422
424

Forecast for Lettenboden, Bezirk Pfäffikon, Switzerland (47.38,8.92)

Generated: 20/04/24 03:15:34. Forecast: 20/04/24 to 26/04/24. Timezone: UTC+2.00