Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 26

Waxing Gibbous 78%

15:00

04:39

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

Sun - Rise: 06:10, Set: 20:46, Transit: 13:29. Moon - Rise: 15:00, Set: 04:39. Civil Dark: 21:23 - 05:33. Nautical Dark: 22:11 - 04:45. Astro Dark: 23:07 - 03:47

Total Clouds (% Sky Obscured)

33
33
21
19
94
22
4
100
21
6
5
10
15
20
35
63
100
31
86
97
78
97
85
89

Low Clouds (% Sky Obscured)

18
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
1
3
2
57
22
2
2
0
0
2
2
2
5
0
0
2
31
52
97
77
87
73
87

High Clouds (% Sky Obscured)

33
33
21
19
79
18
4
100
21
6
5
10
15
20
35
63
100
31
62
66
26
88
67
68

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
40
33
29
26
25
24
25
28
35
47
53
56
59
60
62
63
63
65
65
65
66
59
52

Pressure (mb)

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

Ozone (du)

373
374
376
376
376
376
379
379
378
375
373
372
370
369
368
369
370
369
366
366
367
370
373
370

Monday 27

Waxing Gibbous 86%

16:17

04:50

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
08 Bad
09 Bad

Sun - Rise: 06:08, Set: 20:48, Transit: 13:29. Moon - Rise: 16:17, Set: 04:50. Civil Dark: 21:25 - 05:31. Nautical Dark: 22:13 - 04:42. Astro Dark: 23:10 - 03:44

Total Clouds (% Sky Obscured)

100
100
94
100
93
72
79
86
81
88
100
100
99
98
96
95
95
91
90
83
76
78
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
5
2
21
32
40
36
5
0
0
0
0

Medium Clouds (% Sky Obscured)

77
91
68
61
58
56
49
56
79
88
100
100
96
47
96
94
93
73
71
83
76
78
94
95

High Clouds (% Sky Obscured)

98
100
72
100
89
19
20
23
15
4
77
1
1
15
15
15
13
21
35
20
40
40
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
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
4
4
5
6
6
6
7
8
7
6
7
7
8
8
7
7
7
7
6
6
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
40
34
30
28
26
27
29
31
39
49
54
55
56
60
63
65
66
68
66
65
66
61
55

Pressure (mb)

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

Ozone (du)

369
368
372
374
375
375
377
378
383
383
386
392
394
396
398
399
400
404
407
410
414
415
417
417

Tuesday 28

Waxing Gibbous 92%

17:32

05:01

10 Bad
11 Bad
12 Bad
13 OK
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 Good
05 Good
06 Good
07 Good
08 Good
09 Good

Sun - Rise: 06:06, Set: 20:49, Transit: 13:29. Moon - Rise: 17:32, Set: 05:01. Civil Dark: 21:27 - 05:29. Nautical Dark: 22:15 - 04:40. Astro Dark: 23:14 - 03:41

Total Clouds (% Sky Obscured)

100
100
51
15
5
0
0
1
1
0
0
0
0
0
0
0
0
0
0
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)

96
86
51
15
5
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
47
15
5
0
0
1
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)

9
10
12
12
13
12
13
13
13
13
12
10
9
9
10
9
9
8
8
9
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
44
41
38
37
38
38
39
44
51
57
62
62
61
60
55
53
53
56
57
57
55
49
39

Pressure (mb)

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

Ozone (du)

416
418
420
422
420
416
411
406
403
400
400
403
406
409
411
408
405
403
402
402
396
391
389
389

Wednesday 29

Waxing Gibbous 97%

18:45

05:13

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
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good

Sun - Rise: 06:04, Set: 20:51, Transit: 13:29. Moon - Rise: 18:45, Set: 05:13. Civil Dark: 21:29 - 05:26. Nautical Dark: 22:17 - 04:37. Astro Dark: 23:17 - 03:37

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
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
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)

11
12
12
12
12
12
12
12
12
12
11
10
10
9
9
9
8
9
9
8
9
9
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

34
28
25
24
23
24
25
26
30
35
41
47
51
52
50
45
44
45
45
48
48
47
40
35

Pressure (mb)

1025
1025
1025
1024
1024
1024
1024
1023
1024
1024
1024
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

390
392
395
397
400
400
398
396
394
393
391
389
387
386
384
383
382
381
379
378
377
377
376
375

Thursday 30

Waxing Gibbous 99%

19:59

05:27

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
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good

Sun - Rise: 06:02, Set: 20:53, Transit: 13:29. Moon - Rise: 19:59, Set: 05:27. Civil Dark: 21:31 - 05:24. Nautical Dark: 22:20 - 04:35. Astro Dark: 23:20 - 03:34

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
1
1
1
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
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)

12
12
12
13
13
14
14
13
12
11
10
10
11
11
11
12
12
12
12
11
11
11
11
12

Chance of Frost

Temperature (°C)

13
15
16
17
19
19
19
19
19
18
16
14
13
12
12
12
11
11
11
11
11
11
11
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

29
23
21
22
22
23
24
25
30
35
40
47
52
56
57
56
54
53
51
51
50
50
50
43

Pressure (mb)

1027
1027
1026
1026
1025
1025
1024
1024
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

375
376
376
376
377
377
378
378
379
379
379
379
380
380
380
380
381
381
382
382
383
383
383
384

Friday 1

Full Moon 100%

21:14

05:44

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

Sun - Rise: 06:01, Set: 20:54, Transit: 13:28. Moon - Rise: 21:14, Set: 05:44. Civil Dark: 21:32 - 05:22. Nautical Dark: 22:22 - 04:32. Astro Dark: 23:23 - 03:30

Total Clouds (% Sky Obscured)

0
2
5
8
18
32
45
45
44
42
30
23
14
15
20
21
29
31
38
59
80
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
1
16
30
41
26
15
4
3
3
2
2
2
2
3
3
3
13
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
3
4
3
4
4
3
3
3
3
4
4
16
27
38
54
70

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
3
3
3
2
1
3
6
7
15
23
31
53
76
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
0
1
4
4
9
8
2
5
4
0
0
0
0
0
0
0
2
5
7
27
34

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
11
11
12
17
17
17
17
17
17
14
15
15
16
16
16
11
10
10
11
11
12
11

Dew Point (°C)

1
1
1
1
1
1
2
2
4
5
7
6
5
5
5
5
6
5
5
5
5
5
6
7

Relative Humidity (%)

39
35
31
29
27
27
28
28
34
39
46
48
51
53
55
58
61
60
59
59
58
56
54
57

Pressure (mb)

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

Ozone (du)

384
385
385
384
384
384
384
384
384
383
383
381
380
378
377
375
374
373
371
370
370
369
368
370

Saturday 2

Waning Gibbous 98%

22:28

06:07

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: 05:59, Set: 20:56, Transit: 13:28. Moon - Rise: 22:28, Set: 06:07. Civil Dark: 21:34 - 05:20. Nautical Dark: 22:24 - 04:30. Astro Dark: 23:27 - 03:26

Total Clouds (% Sky Obscured)

100
100
100
100
97
94
91
95
97
99
97
94
91
94
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
47
57
65
65
69
74
67
60
56
60
64
66
61
55
47
42
40
36
38
39
43

Medium Clouds (% Sky Obscured)

84
87
91
97
90
83
74
80
85
91
78
64
50
68
84
100
100
100
100
100
99
99

High Clouds (% Sky Obscured)

100
98
96
94
92
89
87
85
82
80
80
81
82
88
93
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
6
5
6
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

39
36
33
30
46
49
60
72
90
95
88
68
37
29
21
11
36
35
31
33
33
29

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.3
0.6
0.9
0.6
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
17
17
18
18
18
17
16
14
14
14
12
12
12
12
11
11
11
11
11

Feels Like (°C)

11
11
11
12
12
14
14
15
16
17
18
13
14
13
14
13
14
11
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

61
63
67
72
77
70
61
54
63
74
86
87
87
87
89
89
87
88
91
91
88
85

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

371
372
373
373
373
373
374
374
374
374
373
374
376
377
377
377
377
377
377
377
377
376

Forecast for Velbert, Düsseldorf District, Germany (51.34,7.04)

Generated: 26/04/26 10:57:31. Forecast: 26/04/26 to 02/05/26. Timezone: UTC+2.00