Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 24

Waning Crescent 17%

05:06

16:13

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:16, Set: 20:26, Transit: 13:22. Moon - Rise: 05:06, Set: 16:13. Civil Dark: 20:59 - 05:42. Nautical Dark: 21:41 - 05:01. Astro Dark: 22:27 - 04:14

Total Clouds (% Sky Obscured)

95
96
71
92
66
100
100
100
100
100
99
94
98
100
100
100
96
94
96
99
100
99
100
100

Low Clouds (% Sky Obscured)

73
52
52
73
47
62
72
72
80
96
83
87
87
95
87
81
70
86
87
78
78
83
99
100

Medium Clouds (% Sky Obscured)

19
25
50
32
61
100
100
100
99
100
97
94
96
100
99
100
93
84
75
97
100
97
100
100

High Clouds (% Sky Obscured)

19
0
0
0
0
0
1
3
3
2
0
0
0
3
0
0
0
0
0
0
3
3
28
26

ISS Passover

Visibility (miles)

9
7
9
9
9
9
6
9
7
6
6
7
9
9
9
9
9
9
9
9
9
5
3
5

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
35
16
9
4
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
28
48
59
53
52
64
72
71
57
52
67
60
55
52
32
27
50
72
92
95
95

Precipitation Amount (mm)

0
0
0
0
0
0.3
0
0
0.3
0.5
0.4
0
0
0.2
0
0.2
0.2
0
0
0
0.3
0.6
1
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
8
8
8
10
10
10
11
9
9
9
8
8
7
7
7
7
7
6
6
5
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
81
74
72
62
69
76
64
69
80
82
87
90
90
90
91
93
91
91
91
94
94
94

Pressure (mb)

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

Ozone (du)

376
375
370
367
364
363
364
362
362
363
362
360
352
349
352
356
358
359
362
365
365
361
361
362

Friday 25

Waning Crescent 9%

05:24

17:36

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
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 OK
06 Bad
07 Bad

Sun - Rise: 06:14, Set: 20:28, Transit: 13:22. Moon - Rise: 05:24, Set: 17:36. Civil Dark: 21:01 - 05:41. Nautical Dark: 21:43 - 04:59. Astro Dark: 22:29 - 04:12

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
99
100
97
100
100
99
96
89
79
66
67
62
41
37
36
37
43
60

Low Clouds (% Sky Obscured)

100
100
96
99
100
100
97
99
95
100
93
95
88
73
61
54
58
59
41
36
36
37
42
59

Medium Clouds (% Sky Obscured)

100
100
100
91
88
72
59
57
43
42
48
51
45
32
24
16
9
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

37
35
2
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)

7
3
6
6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
1
5
9
9
6
1

Fog (%)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
81
86
88
88
87

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
91
90
78
71
59
40
41
55
47
19
4
2
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.3
1.2
0.9
0.9
0.6
0.7
0.5
0.4
0.2
0
0
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
94
95
95
93
91
88
85
87
91
93
94
94
96
98
98
98
98
96
98
98
100

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1020

Ozone (du)

363
362
362
362
362
358
351
346
342
340
340
339
338
338
339
342
343
344
342
341
341
343
344
343

Saturday 26

Waning Crescent 3%

05:44

19:02

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

Sun - Rise: 06:12, Set: 20:29, Transit: 13:22. Moon - Rise: 05:44, Set: 19:02. Civil Dark: 21:02 - 05:39. Nautical Dark: 21:44 - 04:57. Astro Dark: 22:31 - 04:09

Total Clouds (% Sky Obscured)

83
89
74
89
81
92
94
94
100
61
45
40
38
29
23
31
41
51
58
56
59
40
31
28

Low Clouds (% Sky Obscured)

82
88
73
87
79
91
89
86
88
51
34
27
23
21
20
13
8
2
2
2
2
1
11
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
8
17
23
25
32
32
25
14
6
22
38
51
45
34
26
18
8
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
22
47
70
53
31
15
10
5
0
1
4
5
19
33
48
33
17
3

ISS Passover

Visibility (miles)

2
2
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

88
31
3
1
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
11
6
13
1
3
0
0
1
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)

6
7
7
8
9
9
9
10
11
11
10
10
9
7
6
5
4
4
4
4
4
3
3
3

Chance of Frost

Temperature (°C)

6
7
8
8
10
11
12
13
14
14
12
12
11
10
8
8
7
6
5
5
4
4
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
91
85
73
62
59
59
60
58
62
65
70
72
77
82
90
91
91
88
86
88
91
93
96

Pressure (mb)

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

Ozone (du)

343
342
341
341
340
341
343
343
344
346
346
346
346
346
346
345
345
345
345
346
347
347
348
349

Sunday 27

New Moon 0%

06:08

20:31

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

Sun - Rise: 06:11, Set: 20:30, Transit: 13:21. Moon - Rise: 06:08, Set: 20:31. Civil Dark: 21:04 - 05:37. Nautical Dark: 21:46 - 04:55. Astro Dark: 22:34 - 04:06

Total Clouds (% Sky Obscured)

38
35
28
39
54
66
66
64
64
63
66
54
51
48
39
28
14
3
9
18
29
34
39
42

Low Clouds (% Sky Obscured)

38
35
27
37
52
64
63
61
57
51
45
39
32
25
19
13
8
2
0
0
2
2
4
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
9
17
26
32
41
47
46
41
33
20
9
0
6
13
16
14
15
12

High Clouds (% Sky Obscured)

5
3
3
2
3
1
1
0
2
1
5
2
2
4
2
2
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 (%)

0
0
0
2
2
2
4
4
4
6
5
4
5
4
1
2
1
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)

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

Chance of Frost

Temperature (°C)

6
7
7
8
9
10
12
13
12
13
12
11
11
10
9
8
7
7
6
5
5
4
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
81
74
67
59
53
48
45
44
47
55
65
77
87
87
90
90
91
91
91
93
93
93
93

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1024

Ozone (du)

350
349
349
349
350
350
349
350
351
351
350
349
349
349
350
350
350
350
351
350
350
352
350
351

Monday 28

Waxing Crescent 1%

06:40

22:02

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

Sun - Rise: 06:09, Set: 20:32, Transit: 13:21. Moon - Rise: 06:40, Set: 22:02. Civil Dark: 21:05 - 05:35. Nautical Dark: 21:48 - 04:53. Astro Dark: 22:36 - 04:04

Total Clouds (% Sky Obscured)

36
21
6
6
7
7
29
49
55
68
83
99
85
66
35
30
30
35
27
21
15
13
10
5

Low Clouds (% Sky Obscured)

17
10
2
3
5
7
8
9
10
17
30
47
47
48
35
30
30
35
27
21
15
11
7
2

Medium Clouds (% Sky Obscured)

15
8
0
0
0
0
3
5
7
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
3
3
2
1
0
13
17
25
29
28
21
24
20
0
0
0
0
0
0
0
0
1
1

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
1
0
6
6
4
11
15
18
14
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
8
8
8
9
10
11
16
14
13
13
15
15
9
9
8
8
7
7
5
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

85
77
69
63
60
57
53
54
55
56
62
71
81
81
83
82
84
85
87
88
91
93
91
87

Pressure (mb)

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

Ozone (du)

351
352
353
354
355
356
357
357
357
357
356
354
353
354
356
358
359
361
363
364
366
368
369
370

Tuesday 29

Waxing Crescent 5%

07:23

23:30

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

Sun - Rise: 06:08, Set: 20:33, Transit: 13:21. Moon - Rise: 07:23, Set: 23:30. Civil Dark: 21:07 - 05:33. Nautical Dark: 21:50 - 04:51. Astro Dark: 22:38 - 04:01

Total Clouds (% Sky Obscured)

5
3
3
2
2
2
3
3
4
9
12
16
13
10
7
5
4
2
3
4
6
18
32
50

Low Clouds (% Sky Obscured)

2
2
2
2
2
2
3
3
4
9
12
16
13
10
7
5
4
2
3
4
6
18
32
50

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
1
1
2

High Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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 (%)

0
0
0
6
8
5
15
18
15
21
23
23
20
13
1
1
1
0
2
2
0
5
12
19

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

Chance of Frost

Temperature (°C)

8
10
12
14
16
16
17
17
18
18
17
16
15
14
12
11
10
9
9
8
8
7
8
9

Feels Like (°C)

6
10
10
11
12
12
12
18
17
17
18
18
18
13
12
13
13
11
12
8
8
8
8
8

Dew Point (°C)

6
7
8
8
8
8
7
8
8
9
10
10
11
11
9
9
9
8
8
7
7
6
7
8

Relative Humidity (%)

85
78
72
67
61
56
51
52
54
56
62
68
75
80
86
91
91
91
93
93
95
94
93
91

Pressure (mb)

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

Ozone (du)

371
369
367
365
365
365
365
365
365
365
366
367
368
369
369
370
371
373
374
376
379
381
382
383

Wednesday 30

Waxing Crescent 11%

No Rise

00:47

Sun - Rise: 06:06, Set: 20:34, Transit: 13:21. Moon - Rise: No Rise, Set: 00:47. Civil Dark: 21:09 - 05:32. Nautical Dark: 21:51 - 04:48. Astro Dark: 22:41 - 03:59

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 24/04/25 08:26:35. Forecast: 24/04/25 to 30/04/25. Timezone: UTC+2.00