Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waxing Crescent 46%

12:28

03:56

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 OK
08 Bad
09 Bad
10 Bad
11 OK
12 Good
13 Good
14 Good
15 Good

Sun - Rise: 06:26, Set: 20:48, Transit: 13:38. Moon - Rise: 12:28, Set: 03:56. Civil Dark: 21:24 - 05:50. Nautical Dark: 22:10 - 05:04. Astro Dark: 23:03 - 04:11

Total Clouds (% Sky Obscured)

8
7
5
1
0
1
1
1
1
1
1
1
0
7
12
38
68
65
55
31
1
2
0
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
7
12
38
68
65
55
31
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)

1
1
1
1
0
1
1
1
1
1
1
1
0
1
1
2
2
3
10
4
1
2
0
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)

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

Chance of Frost

Temperature (°C)

18
18
18
17
16
13
12
10
8
7
6
5
5
4
3
3
4
5
6
8
10
12
14
15

Feels Like (°C)

16
16
17
17
15
12
10
8
6
5
5
4
3
3
2
2
3
3
4
6
8
11
13
14

Dew Point (°C)

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

Relative Humidity (%)

35
36
45
56
67
71
72
73
78
84
86
86
86
85
85
83
73
63
55
49
44
42
38
37

Pressure (mb)

1028
1027
1027
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024

Ozone (du)

373
373
373
374
376
377
375
374
374
375
376
376
377
377
378
378
378
378
378
377
376
376
377
378

Friday 24

First Quarter 58%

13:51

04:18

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

Sun - Rise: 06:24, Set: 20:50, Transit: 13:38. Moon - Rise: 13:51, Set: 04:18. Civil Dark: 21:26 - 05:48. Nautical Dark: 22:12 - 05:02. Astro Dark: 23:05 - 04:07

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
79
51
14
0
30
63
81
82
72
51
0
1
1
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
30
63
81
82
72
51
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
79
46
11
0
0
0
0
0
1
1
0
1
0
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
100
100
100
68
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
8
8
7
6
6
6
6
5
4
3
3
2
3
2
2
2
3
3
4
4
5
6
7

Chance of Frost

Temperature (°C)

16
17
17
16
15
12
11
10
9
7
6
5
5
4
3
3
4
6
7
9
11
13
15
17

Feels Like (°C)

14
15
15
16
14
11
9
8
7
6
5
5
4
4
3
3
4
5
6
8
10
12
14
15

Dew Point (°C)

2
2
5
7
8
6
4
3
2
2
2
2
1
1
1
0
0
-1
-2
-2
-2
-0
1
2

Relative Humidity (%)

36
37
44
55
62
65
61
62
63
66
71
76
79
82
83
82
75
64
55
48
42
39
38
36

Pressure (mb)

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

Ozone (du)

380
381
375
370
366
364
364
363
362
363
366
369
375
385
389
386
377
370
365
361
359
357
357
358

Saturday 25

Waxing Gibbous 68%

15:10

04:34

16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
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 OK
15 OK

Sun - Rise: 06:22, Set: 20:52, Transit: 13:38. Moon - Rise: 15:10, Set: 04:34. Civil Dark: 21:28 - 05:46. Nautical Dark: 22:14 - 04:59. Astro Dark: 23:08 - 04:04

Total Clouds (% Sky Obscured)

1
1
1
1
3
1
4
3
17
82
88
100
100
100
100
100
96
91
87
76
66
56
44
28

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
23
34
36
57
57
56
46
36
25
19
9
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
45
40
30
30
30
29
91
96
91
87
76
66
53
44
28

High Clouds (% Sky Obscured)

1
1
0
0
3
1
4
3
17
67
69
99
100
96
94
100
72
47
25
37
49
56
44
28

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

Chance of Frost

Temperature (°C)

17
17
17
16
15
12
11
9
8
7
6
5
5
5
5
5
6
7
8
9
11
12
13
14

Feels Like (°C)

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

Dew Point (°C)

2
2
4
7
9
7
5
5
4
3
3
4
4
5
4
4
4
3
3
2
2
2
3
2

Relative Humidity (%)

36
36
42
53
65
67
69
74
75
78
83
90
93
96
96
94
86
78
69
61
54
50
48
45

Pressure (mb)

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

Ozone (du)

358
357
357
356
356
358
359
360
362
365
365
364
365
367
369
372
374
377
377
379
378
378
377
378

Sunday 26

Waxing Gibbous 78%

No Rise

04:47

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

Sun - Rise: 06:20, Set: 20:53, Transit: 13:38. Moon - Rise: No Rise, Set: 04:47. Civil Dark: 21:30 - 05:44. Nautical Dark: 22:16 - 04:57. Astro Dark: 23:11 - 04:01

Total Clouds (% Sky Obscured)

8
7
7
8
8
9
10
7
4
1
9
18
40
51
63
73
75
79
83
88
93
97
91
83

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)

4
0
2
0
1
2
3
2
1
0
3
7
9
12
18
19
21
29
35
37
81
81
64
64

High Clouds (% Sky Obscured)

6
6
5
7
5
3
1
1
0
0
0
0
0
11
22
33
34
34
38
55
73
91
91
83

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)

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

Chance of Frost

Temperature (°C)

14
15
14
14
13
11
9
8
7
6
5
5
4
4
3
3
5
7
9
10
12
14
15
15

Feels Like (°C)

11
12
12
12
11
9
7
6
6
5
4
3
3
1
0
0
1
3
5
7
9
10
11
12

Dew Point (°C)

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

Relative Humidity (%)

44
44
45
54
66
68
68
70
76
81
86
89
93
93
94
94
85
78
70
67
60
55
50
47

Pressure (mb)

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

Ozone (du)

382
383
381
378
375
374
374
373
373
372
372
370
370
370
372
373
374
376
377
377
378
379
380
381

Monday 27

Waxing Gibbous 86%

16:26

04:59

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

Sun - Rise: 06:18, Set: 20:55, Transit: 13:37. Moon - Rise: 16:26, Set: 04:59. Civil Dark: 21:32 - 05:41. Nautical Dark: 22:18 - 04:54. Astro Dark: 23:14 - 03:58

Total Clouds (% Sky Obscured)

66
88
100
94
77
45
2
0
0
2
4
7
9
15
21
28
32
35
43
42
40
39
25
19

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
2
2

Medium Clouds (% Sky Obscured)

41
55
80
49
30
16
0
0
0
0
0
0
0
1
3
4
13
25
38
36
36
34
23
12

High Clouds (% Sky Obscured)

66
88
100
94
67
33
0
0
0
0
0
0
0
8
15
23
16
10
6
8
9
16
11
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
11
10
10
6
5
6
5
5
4
4
4
4
3
3
3
5
6
7
7
7
8
13

Dew Point (°C)

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

Relative Humidity (%)

45
45
49
56
65
64
67
71
79
85
88
89
89
91
88
86
83
74
66
58
54
49
46
47

Pressure (mb)

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

Ozone (du)

382
382
383
385
388
390
390
389
391
391
388
387
386
386
385
385
384
383
383
382
383
384
384
385

Tuesday 28

Waxing Gibbous 92%

17:40

05:11

16 Good
17 OK
18 OK
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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:16, Set: 20:56, Transit: 13:37. Moon - Rise: 17:40, Set: 05:11. Civil Dark: 21:33 - 05:39. Nautical Dark: 22:21 - 04:52. Astro Dark: 23:17 - 03:54

Total Clouds (% Sky Obscured)

9
21
31
42
59
73
88
90
90
89
94
97
99
93
88
83
79
75
73
67
61
57
63
66

Low Clouds (% Sky Obscured)

2
14
25
37
49
61
73
76
78
80
85
92
98
93
88
83
77
69
62
54
49
41
47
53

Medium Clouds (% Sky Obscured)

1
1
1
3
5
7
9
9
10
10
17
7
6
4
2
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
1
0
0
1
1
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
3
3
2
3
3
0
10
14
18
23
26
27
22
18
12
16
18
19
20
19
17
14
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
7
7
8
8
8
8
8
7
8
7
7
6
7
7
7
7
8
7
7
7
6
7

Relative Humidity (%)

49
50
56
62
70
76
83
91
93
95
98
95
91
88
90
91
91
87
83
76
70
64
59
59

Pressure (mb)

1020
1019
1019
1019
1018
1018
1019
1019
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

386
387
388
390
392
395
398
401
404
408
411
409
407
405
402
398
395
395
395
395
396
396
396
396

Wednesday 29

Waxing Gibbous 97%

18:53

05:23

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

Sun - Rise: 06:15, Set: 20:58, Transit: 13:37. Moon - Rise: 18:53, Set: 05:23. Civil Dark: 21:35 - 05:37. Nautical Dark: 22:23 - 04:49. Astro Dark: 23:20 - 03:51

Total Clouds (% Sky Obscured)

70
59
50
40
38
37
38
26
14
2
2
2
1
2
3
4

Low Clouds (% Sky Obscured)

60
55
48
40
38
37
38
26
14
2
2
2
1
2
3
4

Medium Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
3
5
7
7
6
7
7
4
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

Wind Speed/Direction (mph)

14
14
12
11
9
9
9
9
9
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
11
12
10
10
10
9
10
9
4
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

57
55
59
63
68
71
73
78
82
88
93
93
91
89
86
83

Pressure (mb)

1019
1019
1019
1020
1020
1020
1021
1021
1022
1022
1022
1023
1023
1024
1024
1025

Ozone (du)

395
395
395
395
396
397
398
400
400
401
401
402
403
404
405
407

Forecast for Elst, Flemish Brabant, Kingdom of Belgium (50.77,4.89)

Generated: 23/04/26 16:00:15. Forecast: 23/04/26 to 29/04/26. Timezone: UTC+2.00