Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 26

Waxing Gibbous 78%

No Rise

04:47

16 OK
17 OK
18 OK
19 OK
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: 06:20, 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)

46
39
38
22
97
100
100
95
100
100
90
76
74
85
74
80
91
100
100
100
100
100
91
94

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)

8
1
13
1
1
1
1
70
100
100
90
75
61
85
67
59
70
73
73
83
91
99
91
94

High Clouds (% Sky Obscured)

2
8
22
17
96
100
100
91
100
99
17
14
35
9
26
45
65
100
100
100
83
100
61
20

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

Chance of Frost

Temperature (°C)

16
16
16
16
15
13
11
10
9
9
8
8
7
6
6
6
7
8
10
12
13
15
16
17

Feels Like (°C)

14
15
15
15
13
10
8
7
6
5
5
5
4
3
2
2
5
5
7
9
10
12
13
14

Dew Point (°C)

4
3
4
8
9
6
4
3
2
2
1
1
1
1
0
1
2
2
3
3
4
4
3
4

Relative Humidity (%)

43
41
44
56
64
61
61
62
61
63
62
62
65
66
67
72
71
64
61
55
51
46
43
41

Pressure (mb)

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

Ozone (du)

378
374
373
371
369
368
369
370
371
371
371
369
368
369
369
368
367
369
372
375
376
376
378
378

Monday 27

Waxing Gibbous 86%

16:26

04:59

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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)

84
82
72
68
85
92
97
86
89
85
100
100
100
100
100
88
91
78
86
52
69
70
59
36

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)

84
82
72
68
85
92
97
86
89
85
43
25
66
94
97
88
91
78
86
52
69
69
54
28

High Clouds (% Sky Obscured)

20
20
15
10
2
0
0
0
0
56
100
91
96
100
100
25
25
25
15
15
10
9
1
7

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
2
2
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
8
8
7
7
6
6
7
7
7
7
7
8
8
8
9
10
11
11
12
13
14
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
40
47
57
64
61
63
65
64
63
67
71
74
75
76
79
78
71
64
60
57
54
50
48

Pressure (mb)

1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1020
1020
1020
1019

Ozone (du)

378
379
381
382
385
387
389
391
394
397
401
405
407
409
412
417
422
423
423
424
423
421
419
416

Tuesday 28

Waxing Gibbous 92%

17:40

05:11

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

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)

36
35
0
15
28
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
3
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)

30
26
0
11
21
3
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)

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

Chance of Frost

Temperature (°C)

19
19
19
18
18
15
14
13
12
11
10
9
9
8
8
7
8
10
12
14
15
16
18
18

Feels Like (°C)

14
16
16
15
15
13
10
9
9
8
7
6
5
5
4
3
4
5
7
8
10
12
13
13

Dew Point (°C)

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

Relative Humidity (%)

46
47
53
55
62
62
62
64
67
71
69
68
67
62
60
61
63
58
53
52
50
45
42
40

Pressure (mb)

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

Ozone (du)

414
409
404
402
403
403
402
401
400
399
399
400
401
401
402
402
401
399
396
394
396
395
394
396

Wednesday 29

Waxing Gibbous 97%

18:53

05:23

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
10 Good
11 Good
12 Good
13 Good
14 Good
15 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)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
14
14
12
10
8
7
6
5
5
5
3
3
2
4
6
8
10
12
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

42
45
46
50
52
50
49
51
54
57
59
61
63
64
64
63
63
57
49
43
40
37
34
36

Pressure (mb)

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

Ozone (du)

396
397
400
401
398
395
393
393
392
390
388
386
384
383
382
382
381
381
382
382
381
381
381
380

Thursday 30

Waxing Gibbous 99%

20:07

05:38

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 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 Good
15 Good

Sun - Rise: 06:13, Set: 21:00, Transit: 13:37. Moon - Rise: 20:07, Set: 05:38. Civil Dark: 21:37 - 05:35. Nautical Dark: 22:25 - 04:47. Astro Dark: 23:23 - 03:48

Total Clouds (% Sky Obscured)

0
0
0
0
2
0
0
0
0
0
9
22
33
36
41
43
43
43
47
39
30
21
15
15

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
5
9
16
15
16
15
15
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
7
27
43
47
39
30
8
5
3

High Clouds (% Sky Obscured)

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

17
16
15
14
12
11
10
10
9
8
8
8
7
8
8
8
9
9
10
10
9
8
6
6

Chance of Frost

Temperature (°C)

20
20
19
18
15
13
12
13
12
11
10
10
10
10
10
10
10
12
14
16
18
19
21
22

Feels Like (°C)

16
16
16
15
13
10
9
9
9
8
7
7
7
7
7
7
7
7
8
9
9
10
11
21

Dew Point (°C)

6
7
7
7
6
4
1
-0
-1
0
0
-0
-1
-1
0
2
4
6
7
9
10
11
12
11

Relative Humidity (%)

40
42
44
48
55
55
47
41
42
47
49
48
47
45
50
56
62
63
63
63
59
56
54
52

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019

Ozone (du)

380
380
381
382
383
385
388
390
389
389
386
383
380
377
378
378
378
378
378
378
378
379
379
378

Friday 1

Full Moon 100%

21:21

05:56

16 Good
17 OK
18 OK
19 OK
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: 06:11, Set: 21:01, Transit: 13:37. Moon - Rise: 21:21, Set: 05:56. Civil Dark: 21:39 - 05:33. Nautical Dark: 22:27 - 04:45. Astro Dark: 23:26 - 03:44

Total Clouds (% Sky Obscured)

17
18
20
24
46
65
85
90
94
99
99
99
100
100
100
100
100
100
100
99
98
96
83
73

Low Clouds (% Sky Obscured)

17
16
14
12
16
21
26
22
17
10
19
30
43
57
66
73
77
80
83
69
56
42
35
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
3
37
67
98
94
90
86
85
83
82
65
51
38
30
27

High Clouds (% Sky Obscured)

0
7
16
24
41
58
75
83
91
97
97
97
97
98
99
100
78
57
39
54
69
89
83
67

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

Precipitation Probability (%)

0
6
9
9
7
4
0
0
1
2
25
45
66
76
72
69
72
71
85
84
72
65
57
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.4
0.4
0.3
0.5
0.6
0.3
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
23
22
21
20
18
17
15
14
14
13
13
13
13
13
13
14
14
14
14
15
16
17
18

Feels Like (°C)

21
22
23
23
24
19
18
17
16
16
15
11
11
10
10
10
10
12
11
12
11
11
11
17

Dew Point (°C)

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

Relative Humidity (%)

50
48
55
65
74
76
78
79
74
68
62
70
79
90
89
90
90
90
89
89
77
67
59
56

Pressure (mb)

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

Ozone (du)

376
375
373
370
368
368
368
368
367
366
364
364
365
365
367
369
370
373
377
380
378
376
375
374

Saturday 2

Waning Gibbous 98%

22:34

06:19

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: 06:09, Set: 21:03, Transit: 13:37. Moon - Rise: 22:34, Set: 06:19. Civil Dark: 21:40 - 05:31. Nautical Dark: 22:29 - 04:42. Astro Dark: 23:29 - 03:41

Total Clouds (% Sky Obscured)

66
75
81
88
92
96
100
100
100
100
100
100
100
86
72
58

Low Clouds (% Sky Obscured)

20
29
37
45
47
49
49
39
32
23
26
30
35
32
27
23

Medium Clouds (% Sky Obscured)

25
25
25
20
20
20
20
20
20
35
51
51
52
30
13
7

High Clouds (% Sky Obscured)

55
59
63
52
66
82
100
100
100
100
100
100
100
86
72
58

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 (%)

9
7
5
2
3
2
0
12
16
25
29
30
32
30
25
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
16
17
18
13
13
14
13
13
13
8
8
8
7
6

Dew Point (°C)

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

Relative Humidity (%)

53
51
57
64
71
74
80
84
86
87
88
90
91
93
90
87

Pressure (mb)

1016
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

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

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

Generated: 26/04/26 15:50:40. Forecast: 26/04/26 to 02/05/26. Timezone: UTC+2.00