Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

Waxing Crescent 23%

09:18

02:11

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

Sun - Rise: 06:06, Set: 20:19, Transit: 13:13. Moon - Rise: 09:18, Set: 02:11. Civil Dark: 20:54 - 05:30. Nautical Dark: 21:38 - 04:46. Astro Dark: 22:28 - 03:55

Total Clouds (% Sky Obscured)

92
80
71
82
34
11
12
6
11
16
4
7
3
1
1
0
0
0
0
0
0
0
0
4

Low Clouds (% Sky Obscured)

37
36
56
33
25
7
8
1
1
1
0
0
1
0
1
0
0
0
0
0
0
0
0
4

Medium Clouds (% Sky Obscured)

16
8
26
0
0
0
0
3
11
14
2
5
1
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 (%)

8
6
2
14
24
13
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
6
7
7
6
7
6
5
4
4
3
3
3
2
2
1
1
0
1
2
5
7
9

Dew Point (°C)

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

Relative Humidity (%)

69
67
55
52
50
54
55
60
63
67
69
72
75
79
80
77
79
83
86
82
67
55
48
42

Pressure (mb)

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

Ozone (du)

424
424
424
425
423
420
416
410
406
404
401
399
399
400
401
401
399
397
396
395
398
402
404
405

Wednesday 22

Waxing Crescent 34%

10:39

02:57

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
03 Good
04 OK
05 Good
06 Good
07 Good
08 OK
09 Good
10 Bad
11 Good

Sun - Rise: 06:04, Set: 20:20, Transit: 13:13. Moon - Rise: 10:39, Set: 02:57. Civil Dark: 20:56 - 05:28. Nautical Dark: 21:40 - 04:44. Astro Dark: 22:31 - 03:52

Total Clouds (% Sky Obscured)

4
5
5
0
0
0
0
0
0
0
0
0
0
2
1
7
20
10
3
4
27
16
61
17

Low Clouds (% Sky Obscured)

4
5
5
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
1
2
6
39
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
7
20
10
3
4
19
8
4
4

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
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)

9
10
10
10
10
10
9
8
5
5
4
4
3
2
2
2
2
2
1
1
2
3
4
5

Chance of Frost

Temperature (°C)

12
13
13
14
14
13
13
12
10
8
7
6
5
4
3
2
2
2
2
2
4
7
10
12

Feels Like (°C)

9
10
10
11
11
11
10
10
8
8
7
5
5
4
3
2
1
-0
1
2
3
7
9
10

Dew Point (°C)

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

Relative Humidity (%)

37
33
32
32
32
35
39
49
64
75
79
83
83
85
85
85
86
85
86
80
67
53
43
33

Pressure (mb)

1026
1025
1025
1025
1025
1025
1025
1025
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1026

Ozone (du)

408
411
415
420
424
424
422
419
415
409
407
404
402
397
392
387
385
382
379
377
376
373
371
371

Thursday 23

Waxing Crescent 46%

12:04

03:28

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

Sun - Rise: 06:02, Set: 20:22, Transit: 13:13. Moon - Rise: 12:04, Set: 03:28. Civil Dark: 20:57 - 05:26. Nautical Dark: 21:42 - 04:41. Astro Dark: 22:34 - 03:49

Total Clouds (% Sky Obscured)

3
0
0
3
1
5
10
21
38
36
35
32
47
23
12
27
36
44
37
33
31
29
9
13

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
8
8
19
23
41
37
33
30
23
9
13

Medium Clouds (% Sky Obscured)

2
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
3
1
5
9
21
38
36
35
32
47
17
4
16
24
27
17
15
11
7
2
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
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)

6
7
9
10
10
10
8
7
4
3
3
2
3
2
1
1
1
1
1
1
2
4
5
6

Chance of Frost

Temperature (°C)

13
15
16
17
17
17
16
15
13
11
9
8
7
6
5
4
3
3
2
3
5
7
9
11

Feels Like (°C)

11
12
14
14
14
14
14
14
12
8
7
6
6
4
5
5
4
3
2
3
5
6
8
10

Dew Point (°C)

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

Relative Humidity (%)

28
26
25
26
28
31
38
49
66
76
80
84
90
93
94
94
94
96
96
94
85
76
64
55

Pressure (mb)

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

Ozone (du)

370
371
371
371
369
367
365
363
364
365
364
362
362
359
357
357
358
360
360
361
362
361
362
362

Friday 24

First Quarter 57%

12:04

03:50

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

Sun - Rise: 06:00, Set: 20:23, Transit: 13:13. Moon - Rise: 12:04, Set: 03:50. Civil Dark: 20:59 - 05:24. Nautical Dark: 21:44 - 04:39. Astro Dark: 22:36 - 03:46

Total Clouds (% Sky Obscured)

16
18
24
29
34
43
54
62
65
67
73
55
32
8
6
6
10
10
5
6
11
3
3
2

Low Clouds (% Sky Obscured)

16
18
21
22
23
15
8
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
18
33
40
40
45
50
40
24
1
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
1
12
23
34
43
54
62
65
67
73
55
32
6
3
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
6
6
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)

6
6
7
8
9
9
8
6
4
3
3
3
2
1
2
2
2
3
3
3
4
5
5
7

Chance of Frost

Temperature (°C)

12
13
15
15
16
16
15
14
12
11
9
8
7
6
5
5
4
4
4
5
6
8
10
12

Feels Like (°C)

11
13
14
13
14
14
14
13
12
11
9
8
7
7
5
5
3
2
2
3
4
6
9
10

Dew Point (°C)

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

Relative Humidity (%)

49
47
44
42
44
46
50
58
75
85
91
95
93
93
94
96
96
96
96
94
79
68
54
38

Pressure (mb)

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

Ozone (du)

362
361
360
361
361
361
361
361
363
363
361
361
360
360
363
366
369
371
378
382
382
380
380
383

Saturday 25

Waxing Gibbous 68%

13:26

04:07

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

Sun - Rise: 05:58, Set: 20:25, Transit: 13:12. Moon - Rise: 13:26, Set: 04:07. Civil Dark: 21:01 - 05:22. Nautical Dark: 21:46 - 04:36. Astro Dark: 22:39 - 03:43

Total Clouds (% Sky Obscured)

3
3
8
14
22
15
12
5
5
19
29
10
16
25
23
19
16
15
15
14
16
19
22
21

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
10
16
25
23
19
16
15
15
14
16
19
22
21

Medium Clouds (% Sky Obscured)

0
0
6
9
11
8
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
2
4
6
5
5
4
4
16
22
1
1
1
0
0
0
0
0
1
10
19
22
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
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
10
11
11
11
11
9
9
7
6
5
4
4
4
4
4
3
3
2
2
2
3
4
5

Chance of Frost

Temperature (°C)

14
15
16
17
17
17
16
14
13
10
9
7
6
5
4
4
3
2
3
4
5
6
8
10

Feels Like (°C)

11
12
13
13
13
13
13
12
10
9
7
5
6
4
3
3
2
3
2
2
1
5
6
6

Dew Point (°C)

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

Relative Humidity (%)

31
29
29
29
31
34
41
49
59
64
73
81
88
91
89
91
91
93
85
77
72
57
45
36

Pressure (mb)

1016
1016
1016
1015
1015
1015
1015
1016
1016
1017
1018
1019
1020
1020
1021
1021
1022
1022
1023
1023
1024
1024
1024
1024

Ozone (du)

383
384
382
383
385
383
381
380
378
378
378
378
378
379
382
384
386
388
386
385
384
383
383
383

Sunday 26

Waxing Gibbous 78%

14:45

04:21

12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
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: 05:56, Set: 20:27, Transit: 13:12. Moon - Rise: 14:45, Set: 04:21. Civil Dark: 21:03 - 05:20. Nautical Dark: 21:48 - 04:34. Astro Dark: 22:42 - 03:40

Total Clouds (% Sky Obscured)

21
21
26
27
24
46
68
91
94
97
100
100
100
100
93
88
83
84
86
88
81
74
67
50

Low Clouds (% Sky Obscured)

21
20
25
27
24
24
22
18
11
5
0
8
15
20
25
26
28
20
10
2
1
1
0
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
10
22
29
22
35
47
63
59
52
48
48
49
46
31

High Clouds (% Sky Obscured)

14
7
11
15
19
46
68
91
76
54
31
54
77
100
93
88
83
84
79
76
71
64
54
36

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)

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

Chance of Frost

Temperature (°C)

11
12
13
13
13
13
12
11
9
8
7
5
4
3
2
2
1
-0
1
2
3
6
8
10

Feels Like (°C)

7
7
8
11
11
11
11
11
11
4
4
4
3
2
2
-2
-2
-2
-2
-2
-3
1
2
2

Dew Point (°C)

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

Relative Humidity (%)

33
31
29
30
32
33
39
47
54
58
62
65
64
65
65
69
74
80
70
62
55
44
37
31

Pressure (mb)

1024
1023
1023
1023
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1025

Ozone (du)

385
388
390
390
391
391
392
393
395
394
394
394
394
394
394
393
391
390
390
391
391
392
393
393

Monday 27

Waxing Gibbous 86%

16:00

04:33

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

Sun - Rise: 05:54, Set: 20:28, Transit: 13:12. Moon - Rise: 16:00, Set: 04:33. Civil Dark: 21:04 - 05:18. Nautical Dark: 21:50 - 04:32. Astro Dark: 22:45 - 03:37

Total Clouds (% Sky Obscured)

33
16
22
38
51
48
70
72
61
51
31
30
23
21
15
14
13
21
29
32

Low Clouds (% Sky Obscured)

5
10
10
13
18
14
8
0
0
0
0
3
5
7
4
2
0
0
0
0

Medium Clouds (% Sky Obscured)

20
0
3
5
6
22
34
45
40
33
22
27
23
10
8
6
3
7
11
19

High Clouds (% Sky Obscured)

14
3
22
38
51
48
59
43
39
34
29
25
21
18
14
12
9
7
5
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
12
12
12
12
11
9
8
7
6
5
4
3
3
2
2
1
2
4

Feels Like (°C)

3
3
3
10
9
9
9
9
9
4
3
4
4
3
3
0
0
0
0
0

Dew Point (°C)

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

Relative Humidity (%)

30
29
29
30
32
34
40
46
53
57
60
65
68
69
73
76
78
81
74
68

Pressure (mb)

1024
1024
1023
1023
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

394
396
397
397
398
399
399
398
398
399
400
401
401
400
399
399
399
399
399
400

Forecast for Rotheul, Germany (50.28,11.23)

Generated: 21/04/26 12:57:22. Forecast: 21/04/26 to 27/04/26. Timezone: UTC+2.00