Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 92%

17:21

04:43

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:11, Set: 20:31, Transit: 13:21. Moon - Rise: 17:21, Set: 04:43. Civil Dark: 21:05 - 05:37. Nautical Dark: 21:47 - 04:55. Astro Dark: 22:35 - 04:07

Total Clouds (% Sky Obscured)

68
75
81
85
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
2
2
2
0
0
0
0
0
0
0
0
2
2
3
2
4

Medium Clouds (% Sky Obscured)

23
35
41
85
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
85

High Clouds (% Sky Obscured)

68
75
81
85
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
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
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
1
1
0
0
1
2
5
8
11
23
14
17
16
40
35
5
3
3
2
4
5

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

Chance of Frost

Temperature (°C)

6
6
6
6
7
9
11
13
15
16
17
17
17
16
16
16
16
14
12
12
11
10
10
10

Feels Like (°C)

5
4
5
5
5
7
10
11
13
13
14
15
15
13
13
13
13
11
10
10
10
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
88
87
80
76
72
68
64
62
56
52
50
55
62
69
75
75
79
80
78
78
84

Pressure (mb)

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

Ozone (du)

380
379
379
378
380
382
382
382
380
377
377
378
379
382
383
382
383
383
386
388
388
388
389
389

Wednesday 29

Waxing Gibbous 97%

18:31

04:58

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 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 06:10, Set: 20:33, Transit: 13:21. Moon - Rise: 18:31, Set: 04:58. Civil Dark: 21:07 - 05:36. Nautical Dark: 21:49 - 04:53. Astro Dark: 22:38 - 04:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
83
92
82
53
53
43
41
17
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

21
15
21
54
65
54
54
45
22
5
5
6
1
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
66
57
65
50
13
10
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
99
77
73
68
86
70
53
49
35
31
13
0
0
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 (%)

6
8
8
10
12
11
8
6
7
7
6
6
6
5
5
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)

3
3
3
3
4
4
6
6
7
8
9
10
12
13
14
14
13
12
9
8
7
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
7
7
6
5
5
6
8
9
10
10
10
10
11
12
10
9
6
4
3
3
3
4

Dew Point (°C)

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

Relative Humidity (%)

84
82
80
82
81
78
80
74
68
63
59
53
47
49
51
55
56
56
48
48
53
57
55
58

Pressure (mb)

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

Ozone (du)

390
391
391
390
390
390
391
391
391
392
391
391
396
400
403
404
403
401
400
400
401
401
401
401

Thursday 30

Waxing Gibbous 99%

19:40

05:14

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

Sun - Rise: 06:08, Set: 20:34, Transit: 13:21. Moon - Rise: 19:40, Set: 05:14. Civil Dark: 21:08 - 05:34. Nautical Dark: 21:51 - 04:51. Astro Dark: 22:40 - 04:02

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

0
0
0
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
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
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)

7
7
6
6
6
6
7
8
9
9
9
10
11
12
11
11
9
7
5
4
3
3
2
2

Chance of Frost

Temperature (°C)

7
6
5
4
4
6
7
9
11
13
14
15
16
16
16
16
15
13
10
9
8
7
6
6

Feels Like (°C)

4
4
3
3
2
3
5
6
8
11
11
12
12
12
12
12
12
10
8
7
7
8
6
6

Dew Point (°C)

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

Relative Humidity (%)

64
67
68
72
68
60
58
56
52
49
42
36
34
37
40
45
49
52
50
58
62
64
64
67

Pressure (mb)

1023
1024
1024
1024
1025
1025
1025
1024
1024
1023
1022
1021
1021
1020
1020
1020
1020
1021
1022
1023
1023
1024
1024
1025

Ozone (du)

400
400
399
399
398
396
396
396
395
393
392
392
393
392
391
389
388
388
388
389
389
387
387
386

Friday 1

Full Moon 100%

20:50

05:32

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

Sun - Rise: 06:06, Set: 20:35, Transit: 13:21. Moon - Rise: 20:50, Set: 05:32. Civil Dark: 21:10 - 05:32. Nautical Dark: 21:53 - 04:49. Astro Dark: 22:42 - 03:59

Total Clouds (% Sky Obscured)

0
0
0
0
2
2
3
3
3
2
2
2
2
2
3
3
3
12
21
27
24
17
13
26

Low Clouds (% Sky Obscured)

0
0
0
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
4
6
8
6
4
2
8

High Clouds (% Sky Obscured)

0
0
0
0
2
2
3
3
3
2
2
2
2
2
2
2
1
8
15
23
22
17
13
26

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

Chance of Frost

Temperature (°C)

5
5
5
5
6
7
9
11
13
15
17
18
19
19
19
18
17
16
13
12
10
9
9
8

Feels Like (°C)

6
5
5
5
6
7
9
11
12
14
16
18
19
19
19
19
17
16
14
13
10
11
10
9

Dew Point (°C)

0
0
0
1
1
0
2
3
4
6
7
9
9
9
9
9
10
12
11
10
8
7
7
7

Relative Humidity (%)

68
70
72
72
71
63
58
55
54
53
54
53
53
53
52
55
63
77
86
88
87
87
88
90

Pressure (mb)

1025
1025
1026
1026
1026
1026
1026
1025
1025
1024
1023
1022
1022
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021

Ozone (du)

385
385
384
383
383
382
381
381
382
382
382
383
383
383
382
383
383
382
382
384
385
386
387
387

Saturday 2

Waning Gibbous 98%

22:00

05:53

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:05, Set: 20:37, Transit: 13:21. Moon - Rise: 22:00, Set: 05:53. Civil Dark: 21:11 - 05:30. Nautical Dark: 21:55 - 04:47. Astro Dark: 22:45 - 03:57

Total Clouds (% Sky Obscured)

38
45
45
46
50
81
83
100
100
100
100
94
90
83
88
94
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

0
0
6
13
17
13
6
0
0
0
0
0
0
0
8
16
24
33
38
43
45
54
60
60

Medium Clouds (% Sky Obscured)

14
18
20
21
18
11
5
0
7
13
15
9
4
3
14
29
43
48
53
58
63
69
75
72

High Clouds (% Sky Obscured)

38
45
45
46
50
81
83
100
100
100
100
88
75
63
63
83
100
86
70
58
70
84
99
91

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
6
7
15
16
12
36
46
54
55
44
29
23
16
6
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
5
5
4
3
3
4
5
5
4
5
5
5
5
5
4
3
3
3
3
3
4
5

Chance of Frost

Temperature (°C)

8
8
8
9
10
11
13
15
16
17
18
19
19
19
19
18
17
16
13
12
11
10
10
9

Feels Like (°C)

9
10
9
10
11
12
13
14
15
16
17
19
18
18
18
20
21
24
11
10
9
8
8
7

Dew Point (°C)

7
7
7
8
9
8
9
8
8
8
8
9
8
8
7
10
11
14
11
10
9
9
9
8

Relative Humidity (%)

90
91
91
91
90
81
72
64
59
53
52
50
49
47
46
56
69
86
86
87
88
88
91
91

Pressure (mb)

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

Ozone (du)

387
388
388
388
388
386
385
384
382
378
376
374
372
371
370
368
367
365
368
371
374
375
375
376

Sunday 3

Waning Gibbous 95%

23:06

06:20

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:03, Set: 20:38, Transit: 13:21. Moon - Rise: 23:06, Set: 06:20. Civil Dark: 21:13 - 05:29. Nautical Dark: 21:56 - 04:45. Astro Dark: 22:47 - 03:54

Total Clouds (% Sky Obscured)

99
98
99
99
100
100
100
100
99
99
98
99
99
100
100
100
100
100
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

59
55
37
20
2
6
10
13
14
16
17
24
27
32
37
41
46
52
58
64
59
51
43
44

Medium Clouds (% Sky Obscured)

69
67
48
45
42
55
76
85
87
92
96
96
96
96
97
97
97
98
97
97
97
97
97
97

High Clouds (% Sky Obscured)

82
74
83
91
100
100
100
100
88
73
60
73
88
100
100
100
100
88
77
66
69
74
77
77

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 (%)

10
2
2
1
0
2
2
1
7
9
9
20
26
30
36
36
30
31
26
12
11
9
3
13

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

Chance of Frost

Temperature (°C)

8
8
8
8
9
9
11
12
14
15
16
16
16
15
14
14
13
12
11
11
10
10
9
9

Feels Like (°C)

7
7
8
7
6
6
10
9
10
11
11
12
16
15
13
14
14
14
10
10
11
11
10
9

Dew Point (°C)

7
7
7
7
7
7
7
7
7
7
7
6
6
5
5
6
7
8
7
6
6
5
5
5

Relative Humidity (%)

93
91
93
90
88
85
76
69
62
58
54
51
52
52
52
59
66
75
75
73
73
73
76
76

Pressure (mb)

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

Ozone (du)

376
377
377
375
373
371
370
369
368
367
367
367
365
364
363
364
364
364
364
364
365
365
365
365

Monday 4

Waning Gibbous 95%

00:07

06:55

Sun - Rise: 06:02, Set: 20:40, Transit: 13:21. Moon - Rise: 00:07, Set: 06:55. Civil Dark: 21:14 - 05:27. Nautical Dark: 21:58 - 04:43. Astro Dark: 22:49 - 03:52

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 Gfell, Bezirk Pfäffikon, Switzerland (47.38,8.93)

Generated: 28/04/26 03:50:12. Forecast: 28/04/26 to 04/05/26. Timezone: UTC+2.00