Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 23%

08:38

00:59

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

Sun - Rise: 06:25, Set: 20:23, Transit: 13:24. Moon - Rise: 08:38, Set: 00:59. Civil Dark: 20:56 - 05:52. Nautical Dark: 21:37 - 05:11. Astro Dark: 22:19 - 04:26

Total Clouds (% Sky Obscured)

42
56
68
92
81
76
17
22
24
26
23
20
17
19
16
20
12
8
4
64
20
15
9
9

Low Clouds (% Sky Obscured)

42
37
25
24
16
14
17
21
24
25
23
19
17
19
16
17
11
7
3
57
7
3
0
0

Medium Clouds (% Sky Obscured)

18
12
63
70
32
0
0
0
0
0
0
0
0
0
0
9
0
0
0
8
17
13
9
9

High Clouds (% Sky Obscured)

14
56
68
60
63
65
0
0
0
0
0
0
0
0
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
2
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)

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

Chance of Frost

Temperature (°C)

10
9
8
7
7
6
5
4
4
4
5
8
9
11
13
14
14
15
15
15
13
12
10
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
81
78
79
82
86
89
91
91
79
68
60
52
47
44
41
38
37
37
48
57
65
71

Pressure (mb)

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

Ozone (du)

388
388
389
389
391
391
392
391
391
391
394
395
396
397
400
405
412
416
417
416
415
416
416
417

Tuesday 21

Waxing Crescent 34%

09:47

02:04

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

Sun - Rise: 06:23, Set: 20:25, Transit: 13:24. Moon - Rise: 09:47, Set: 02:04. Civil Dark: 20:57 - 05:50. Nautical Dark: 21:38 - 05:09. Astro Dark: 22:22 - 04:24

Total Clouds (% Sky Obscured)

4
6
4
3
10
21
32
47
66
72
67
43
16
5
4
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

3
6
3
3
10
21
31
46
64
70
67
42
16
5
3
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
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
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
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)

8
7
6
5
5
4
4
4
4
5
8
10
10
11
12
13
14
14
15
14
14
13
12
10

Chance of Frost

Temperature (°C)

7
7
6
5
4
4
3
3
3
3
4
6
8
10
13
14
16
16
16
16
15
14
12
10

Feels Like (°C)

5
5
5
4
4
3
3
2
1
1
2
2
5
8
9
11
12
12
12
12
12
10
9
7

Dew Point (°C)

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

Relative Humidity (%)

77
82
88
93
94
96
96
96
96
96
88
76
64
55
46
40
36
34
36
41
47
51
55
57

Pressure (mb)

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

Ozone (du)

415
414
415
420
425
427
427
422
421
421
421
420
420
420
418
414
411
410
408
406
405
405
402
400

Wednesday 22

Waxing Crescent 46%

11:06

02:52

22 Good
23 Good
00 Good
01 Good
02 Good
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

Sun - Rise: 06:21, Set: 20:26, Transit: 13:24. Moon - Rise: 11:06, Set: 02:52. Civil Dark: 20:59 - 05:48. Nautical Dark: 21:40 - 05:07. Astro Dark: 22:24 - 04:21

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
7
6
3
3
0
0
0
0
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
2
2
3
3
2
2
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
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)

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

Chance of Frost

Temperature (°C)

9
8
6
6
4
3
3
2
1
1
3
7
10
12
14
16
18
19
19
19
18
17
14
11

Feels Like (°C)

6
6
4
4
3
3
3
2
1
1
3
7
8
10
12
14
15
16
16
17
17
16
14
11

Dew Point (°C)

1
1
-1
-1
-1
-0
0
0
-0
-1
-1
1
1
0
-0
-1
0
0
1
1
3
7
7
6

Relative Humidity (%)

59
62
61
64
69
77
83
88
89
88
76
64
53
43
36
31
30
28
29
30
37
50
62
71

Pressure (mb)

1023
1023
1023
1024
1024
1025
1025
1026
1026
1026
1027
1026
1026
1025
1025
1024
1023
1022
1022
1022
1021
1021
1022
1023

Ozone (du)

398
399
401
404
401
398
396
396
395
395
396
394
392
391
390
387
386
386
384
381
378
375
371
370

Thursday 23

Waxing Crescent 57%

12:27

03:27

22 Good
23 Good
00 Good
01 Good
02 Good
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

Sun - Rise: 06:20, Set: 20:27, Transit: 13:23. Moon - Rise: 12:27, Set: 03:27. Civil Dark: 21:01 - 05:46. Nautical Dark: 21:42 - 05:05. Astro Dark: 22:26 - 04:19

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
3
3
4
3
4
3
3
3
4
4
3
3
0
3
4
6
5
4

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
1
1

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
3
2
2
2
2
2
2
2
2
2
2
2
0
2
2
2
2
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
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)

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

Chance of Frost

Temperature (°C)

9
7
7
5
5
4
3
2
2
3
4
8
11
14
16
18
19
20
20
20
19
18
16
13

Feels Like (°C)

10
7
7
6
5
4
4
3
2
3
5
8
12
14
15
17
19
20
21
20
20
18
16
13

Dew Point (°C)

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

Relative Humidity (%)

77
82
87
86
88
89
91
91
91
89
77
65
54
45
38
33
31
30
31
32
37
55
66
68

Pressure (mb)

1023
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1021
1020
1019
1018
1018
1017
1016
1016
1016
1016
1016
1017

Ozone (du)

370
369
367
367
368
367
366
364
363
360
359
358
359
360
362
364
362
362
362
363
363
364
364
364

Friday 24

First Quarter 68%

13:45

03:52

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

Sun - Rise: 06:18, Set: 20:29, Transit: 13:23. Moon - Rise: 13:45, Set: 03:52. Civil Dark: 21:02 - 05:44. Nautical Dark: 21:44 - 05:03. Astro Dark: 22:28 - 04:16

Total Clouds (% Sky Obscured)

3
3
4
5
4
3
7
5
7
4
4
4
3
4
4
3
4
4
5
13
23
32
36
40

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
15
25
31
33

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)

2
2
2
2
2
2
4
2
4
3
3
2
2
2
2
2
2
2
1
3
5
8
9
11

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)

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

Chance of Frost

Temperature (°C)

11
9
8
7
6
5
4
4
4
4
6
9
12
15
17
18
19
20
20
20
18
17
16
14

Feels Like (°C)

11
9
8
7
7
6
4
4
4
5
7
10
13
16
17
19
20
20
20
20
20
21
22
14

Dew Point (°C)

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

Relative Humidity (%)

72
77
84
87
91
91
91
93
93
93
82
69
60
53
47
42
39
39
39
39
46
55
66
70

Pressure (mb)

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

Ozone (du)

362
361
361
361
361
361
362
364
366
368
368
370
372
377
377
378
377
375
374
372
372
371
370
373

Saturday 25

Waxing Gibbous 78%

15:01

04:12

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

Sun - Rise: 06:16, Set: 20:30, Transit: 13:23. Moon - Rise: 15:01, Set: 04:12. Civil Dark: 21:04 - 05:43. Nautical Dark: 21:45 - 05:01. Astro Dark: 22:30 - 04:14

Total Clouds (% Sky Obscured)

44
33
22
10
10
10
10
8
6
4
3
3
2
3
4
6
8
11
14
29
48
65
67
68

Low Clouds (% Sky Obscured)

37
29
20
10
10
10
10
7
4
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)

13
9
5
0
0
0
0
0
1
1
1
1
1
2
2
3
5
6
8
19
33
50
42
44

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)

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

Chance of Frost

Temperature (°C)

12
10
9
8
7
6
5
4
5
5
6
9
11
14
15
17
18
18
19
19
17
16
14
12

Feels Like (°C)

13
12
11
10
10
6
6
6
6
5
5
7
9
9
11
11
13
17
17
17
17
18
17
10

Dew Point (°C)

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

Relative Humidity (%)

75
78
80
81
84
85
86
88
82
75
68
60
52
45
40
35
31
31
32
32
40
51
62
69

Pressure (mb)

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

Ozone (du)

376
380
383
387
391
388
386
383
380
378
375
375
375
374
374
374
374
375
376
376
376
375
374
374

Sunday 26

Waxing Gibbous 78%

16:13

04:29

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: 06:14, Set: 20:31, Transit: 13:23. Moon - Rise: 16:13, Set: 04:29. Civil Dark: 21:05 - 05:41. Nautical Dark: 21:47 - 04:59. Astro Dark: 22:32 - 04:11

Total Clouds (% Sky Obscured)

65
65
65
65
65
65
60
70
71
71
77
88
100
98
96
93
84
74
68
65
65
65

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
3
2
1
0
0
0
0
1
1
2
10
16
23

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
10
19
19
23
23
15
6
0

High Clouds (% Sky Obscured)

45
30
25
25
30
30
40
38
50
52
65
83
100
96
92
87
81
69
51
41
38
35

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

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
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
1
1
1
3
3
2
4
3
2

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
9
8
7
7
6
6
5
6
6
7
9
12
14
16
17
19
19
20
20
19
18

Feels Like (°C)

10
10
9
8
8
4
4
4
4
4
3
7
8
8
10
10
11
18
18
18
20
20

Dew Point (°C)

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

Relative Humidity (%)

76
84
85
87
90
90
91
91
88
84
81
72
64
58
53
47
43
41
40
39
46
54

Pressure (mb)

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

Ozone (du)

375
376
377
379
381
383
385
388
390
392
394
395
396
397
396
395
394
392
390
388
387
386

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

Generated: 20/04/26 22:34:18. Forecast: 20/04/26 to 26/04/26. Timezone: UTC+2.00