Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 12%

05:17

16:43

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

Sun - Rise: 06:38, Set: 20:13, Transit: 13:26. Moon - Rise: 05:17, Set: 16:43. Civil Dark: 20:45 - 06:06. Nautical Dark: 21:25 - 05:26. Astro Dark: 22:05 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
99
99
98
99
99
97
97
99
100
99
97
100
99
98
97

Low Clouds (% Sky Obscured)

99
100
98
96
96
100
95
97
97
96
96
97
98
98
95
92
97
100
97
95
100
99
97
95

Medium Clouds (% Sky Obscured)

96
94
93
85
72
93
99
96
93
92
79
52
41
41
45
40
31
29
25
36
43
33
29
24

High Clouds (% Sky Obscured)

100
100
100
89
100
74
93
67
49
3
3
26
6
4
49
5
4
4
4
3
0
0
0
0

ISS Passover

Visibility (miles)

7
8
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

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

Precipitation Probability (%)

95
88
77
65
53
48
45
45
41
44
38
30
18
12
19
11
9
12
13
8
8
9
2
2

Precipitation Amount (mm)

0.6
0.4
0.3
0.3
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
4
4
5
4
4
3
2
2
2
1
2
1
1
2
2
3
3
3
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
96
94
96
96
96
96
96
98
96
96
94
95
95
95
93
91
93
93
95
95
96

Pressure (mb)

1014
1014
1015
1016
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022

Ozone (du)

388
390
391
390
389
388
387
386
386
387
388
390
392
394
396
396
396
397
399
400
399
397
395
396

Tuesday 14

Waning Crescent 6%

05:33

18:00

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

Sun - Rise: 06:36, Set: 20:15, Transit: 13:25. Moon - Rise: 05:33, Set: 18:00. Civil Dark: 20:47 - 06:04. Nautical Dark: 21:26 - 05:24. Astro Dark: 22:07 - 04:42

Total Clouds (% Sky Obscured)

97
98
97
95
96
87
93
93
95
91
93
93
98
100
96
97
93
86
88
87
88
86
87
97

Low Clouds (% Sky Obscured)

92
95
94
94
92
84
92
92
95
91
92
93
98
100
96
97
93
86
88
87
86
84
81
81

Medium Clouds (% Sky Obscured)

23
19
15
1
11
1
3
2
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
4
0
0
3
3
6
6
5
9
6
7
20
78

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
4
14
1
4
1
0
3
1
2
1
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
94
96
96
96
96
96
96
91
90
88
85
81
76
75
71
70
67
71
75
74
72

Pressure (mb)

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

Ozone (du)

397
398
395
397
400
398
396
394
391
390
387
384
382
380
377
374
372
371
367
367
365
363
360
358

Wednesday 15

Waning Crescent 2%

05:50

19:21

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
12 OK
13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Good

Sun - Rise: 06:34, Set: 20:16, Transit: 13:25. Moon - Rise: 05:50, Set: 19:21. Civil Dark: 20:48 - 06:02. Nautical Dark: 21:28 - 05:22. Astro Dark: 22:09 - 04:39

Total Clouds (% Sky Obscured)

100
100
100
99
100
86
91
93
92
87
73
78
76
89
27
22
27
76
90
93
83
57
43
10

Low Clouds (% Sky Obscured)

76
76
77
82
73
77
88
91
90
85
69
60
60
77
11
7
16
20
25
13
4
3
3
0

Medium Clouds (% Sky Obscured)

0
0
61
52
45
0
33
2
3
0
0
11
11
16
15
14
8
17
32
28
30
22
15
7

High Clouds (% Sky Obscured)

98
100
99
83
100
59
39
50
46
3
2
0
0
0
0
0
5
29
30
35
36
24
21
3

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

Chance of Frost

Temperature (°C)

11
10
10
9
8
8
7
7
7
7
8
11
13
14
15
17
18
19
19
18
18
16
14
13

Feels Like (°C)

10
9
8
7
7
7
6
6
5
5
6
10
12
13
15
18
19
19
17
16
15
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

75
74
76
77
77
81
84
82
82
84
81
78
74
68
62
49
42
40
42
44
49
65
76
81

Pressure (mb)

1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1024
1024
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1022

Ozone (du)

357
356
355
351
348
345
344
346
347
348
350
353
354
354
353
356
354
354
354
352
350
350
349
349

Thursday 16

Waning Crescent 0%

06:09

20:45

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

Sun - Rise: 06:32, Set: 20:18, Transit: 13:25. Moon - Rise: 06:09, Set: 20:45. Civil Dark: 20:50 - 06:00. Nautical Dark: 21:30 - 05:20. Astro Dark: 22:11 - 04:36

Total Clouds (% Sky Obscured)

7
15
24
31
71
92
97
92
73
42
39
37
42
71
91
81
100
100
100
91
81
72
70
66

Low Clouds (% Sky Obscured)

3
6
9
9
11
13
15
18
19
23
17
7
0
0
0
0
0
3
0
3
0
0
3
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
12
21
29
19
12
4
27
57
34
54
55
27
20
22

High Clouds (% Sky Obscured)

3
10
16
23
59
86
93
79
48
12
12
8
15
49
81
81
100
100
100
79
57
36
36
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
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
1
1
1
4
2
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
2
2
2
2
2
2
2
3
4
4
5
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

11
10
9
8
7
7
6
6
6
6
6
9
12
15
16
18
19
19
20
20
19
18
16
14

Feels Like (°C)

12
11
10
9
8
6
4
5
4
5
6
10
12
15
15
16
18
17
18
18
18
17
15
13

Dew Point (°C)

9
8
8
7
6
6
5
5
5
5
5
6
7
8
7
7
7
7
7
7
9
11
12
12

Relative Humidity (%)

87
87
91
91
93
93
94
94
96
96
90
81
71
63
55
50
45
44
44
44
51
66
77
84

Pressure (mb)

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

Ozone (du)

348
348
350
352
351
349
348
349
349
349
349
350
352
350
349
348
347
347
346
345
344
344
344
344

Friday 17

New Moon 2%

06:33

No Set

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 OK
11 OK
12 OK
13 Good
14 Good
15 Good
16 Good
17 OK
18 OK
19 Bad
20 OK
21 OK

Sun - Rise: 06:30, Set: 20:19, Transit: 13:25. Moon - Rise: 06:33, Set: No Set. Civil Dark: 20:51 - 05:58. Nautical Dark: 21:31 - 05:18. Astro Dark: 22:13 - 04:34

Total Clouds (% Sky Obscured)

68
70
76
79
83
89
91
85
81
87
86
77
37
30
22
16
15
13
12
28
42
56
39
21

Low Clouds (% Sky Obscured)

3
6
8
11
13
14
15
17
20
22
24
36
19
16
12
9
7
4
2
2
3
4
3
1

Medium Clouds (% Sky Obscured)

20
23
24
28
74
79
82
60
28
23
69
53
8
8
4
4
4
5
5
5
5
5
5
5

High Clouds (% Sky Obscured)

40
35
35
40
18
16
19
31
42
57
52
19
21
14
8
1
2
3
4
28
42
56
39
21

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

Chance of Frost

Temperature (°C)

13
11
11
10
10
10
9
9
8
8
9
11
13
16
17
19
20
20
20
20
19
18
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
93
95
95
96
96
96
96
96
91
83
72
64
55
48
44
44
44
43
52
60
71
75

Pressure (mb)

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

Ozone (du)

345
347
348
348
349
350
351
351
351
350
349
349
348
349
349
349
349
347
346
345
344
343
341
342

Saturday 18

Waxing Crescent 6%

07:03

22:13

22 Good
23 OK
00 OK
01 OK
02 OK
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

Sun - Rise: 06:28, Set: 20:20, Transit: 13:24. Moon - Rise: 07:03, Set: 22:13. Civil Dark: 20:53 - 05:56. Nautical Dark: 21:33 - 05:16. Astro Dark: 22:15 - 04:31

Total Clouds (% Sky Obscured)

4
11
19
27
37
46
53
61
69
81
84
89
92
80
68
51
67
82
100
88
80
70
79
88

Low Clouds (% Sky Obscured)

0
6
11
15
19
23
27
21
16
14
17
27
36
32
32
25
25
20
15
10
5
0
10
19

Medium Clouds (% Sky Obscured)

4
5
5
5
4
3
2
14
26
53
65
72
79
77
68
51
57
28
1
4
7
14
35
55

High Clouds (% Sky Obscured)

0
1
3
5
13
22
30
26
21
17
42
70
92
80
68
51
67
82
100
82
67
55
45
45

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

Precipitation Probability (%)

0
0
0
0
0
0
0
7
12
15
54
74
81
78
68
47
36
24
14
17
14
7
13
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
11
10
9
8
8
7
8
8
9
10
12
14
15
16
17
17
17
18
16
15
13
12

Feels Like (°C)

14
14
14
13
11
8
8
8
8
8
7
8
9
8
9
9
9
18
18
17
17
17
17
10

Dew Point (°C)

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

Relative Humidity (%)

83
90
91
93
91
93
93
93
90
88
85
76
68
60
55
51
47
48
48
48
54
60
68
71

Pressure (mb)

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

Ozone (du)

342
342
342
341
341
341
342
342
342
343
343
345
347
348
348
348
347
348
349
349
350
351
352
353

Sunday 19

Waxing Crescent 14%

07:43

23:40

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:27, Set: 20:22, Transit: 13:24. Moon - Rise: 07:43, Set: 23:40. Civil Dark: 20:54 - 05:54. Nautical Dark: 21:35 - 05:13. Astro Dark: 22:17 - 04:29

Total Clouds (% Sky Obscured)

97
98
99
100
100
100
100
100
99
99
91
82
70
76
81
85
81
80
75
79
81
83

Low Clouds (% Sky Obscured)

29
35
42
46
58
73
88
94
94
94
91
82
70
76
81
84
78
74
70
65
59
55

Medium Clouds (% Sky Obscured)

73
77
81
84
90
96
100
99
99
98
91
82
70
76
81
85
72
54
37
38
37
38

High Clouds (% Sky Obscured)

45
52
73
97
98
99
100
81
71
62
56
56
45
40
40
40
45
55
65
61
49
38

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

8
20
29
35
54
58
53
77
92
95
95
95
95
95
83
62
53
41
25
22
19
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.6
0.8
0.8
0.8
0.9
0.7
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
10
9
9
9
8
8
8
7
7
7
8
8
9
10
10
11
12
12
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
77
78
78
82
87
91
94
94
96
96
95
96
95
95
93
91
92
92
92
92

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1012
1012
1012

Ozone (du)

355
356
357
358
359
361
363
365
368
370
372
374
376
377
378
379
380
382
384
386
387
389

Forecast for Stampfenbach, Zürich District, Switzerland (47.38,8.54)

Generated: 13/04/26 22:09:06. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+2.00