Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 99%

21:21

05:38

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 Good
18 Good
19 Good
20 Good
21 Good

Sun - Rise: 06:13, Set: 21:01, Transit: 13:37. Moon - Rise: 21:21, Set: 05:38. Civil Dark: 21:39 - 05:35. Nautical Dark: 22:25 - 04:47. Astro Dark: 23:23 - 03:48

Total Clouds (% Sky Obscured)

36
28
22
0
0
0
0
0
0
0
0
1
1
0
1
1
1
1
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
1
1
0
1
1
1
1
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 (%)

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

Chance of Frost

Temperature (°C)

15
13
12
10
9
8
8
7
7
7
8
11
14
16
18
20
22
23
23
24
23
23
22
19

Feels Like (°C)

13
11
9
7
6
6
5
5
4
5
7
9
11
14
15
18
19
20
21
22
23
23
21
17

Dew Point (°C)

6
4
2
0
-2
-2
-3
-3
-3
-2
1
2
2
4
5
7
7
8
9
9
12
14
15
11

Relative Humidity (%)

55
53
51
50
48
48
49
50
51
55
59
51
45
42
42
40
39
39
38
40
49
56
65
61

Pressure (mb)

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

Ozone (du)

381
382
382
382
382
382
381
380
379
379
379
378
379
380
380
380
380
379
379
378
378
379
381
382

Friday 1

Full Moon 100%

No Rise

05:56

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 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:11, Set: 21:03, Transit: 13:37. Moon - Rise: No Rise, Set: 05:56. Civil Dark: 21:40 - 05:33. Nautical Dark: 22:27 - 04:45. Astro Dark: 23:26 - 03:44

Total Clouds (% Sky Obscured)

0
0
5
53
78
100
100
100
100
97
100
97
93
91
99
100
100
100
100
100
100
100
100
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
15
24
30
29
25
0
8
10
51
36
46
63
26
35
51
19
0
0
3

Medium Clouds (% Sky Obscured)

0
0
3
11
7
47
96
100
97
1
3
40
47
67
17
20
24
23
20
65
62
81
56
91

High Clouds (% Sky Obscured)

0
0
0
33
77
100
100
100
100
95
100
95
85
70
96
100
100
100
100
100
100
100
100
26

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
9
4
8
9
9
3
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
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
10
27
48
10
19
14
2
6
20
24
39
59
64
51
59
94
50
23
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0.2
0.3
0
0.3
0.9
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
14
14
14
14
14
13
13
13
14
16
18
20
21
22
23
23
22
22
21
19
19
17

Feels Like (°C)

15
13
13
13
12
11
11
10
9
10
12
14
16
18
19
21
22
22
21
21
21
20
18
16

Dew Point (°C)

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

Relative Humidity (%)

59
60
66
70
70
67
64
63
64
71
76
77
72
70
69
64
61
62
63
60
61
68
76
82

Pressure (mb)

1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1016
1016
1015
1014
1014
1014

Ozone (du)

384
385
385
383
382
378
374
372
370
371
369
368
366
367
367
366
367
366
365
366
366
365
366
366

Saturday 2

Waning Gibbous 98%

22:34

06:19

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
20 Bad
21 Bad

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

Total Clouds (% Sky Obscured)

59
100
100
81
89
76
100
100
100
98
100
100
100
100
100
100
100
99
100
100
100
100
92
89

Low Clouds (% Sky Obscured)

10
0
0
0
0
0
3
5
9
43
1
70
74
68
83
61
64
94
66
52
35
38
24
12

Medium Clouds (% Sky Obscured)

57
53
72
81
89
76
59
92
84
92
100
96
96
100
100
58
29
17
36
30
25
20
17
10

High Clouds (% Sky Obscured)

30
100
100
30
50
32
100
100
100
73
100
94
100
100
100
100
99
34
100
100
100
100
85
84

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
5
3
8
7
9
6
3
5
6
6
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
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

11
4
1
4
30
37
48
9
20
12
36
70
90
95
65
65
65
82
91
86
84
75
49
26

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0.3
0.7
1
0.4
0.3
0.2
0.5
0.7
0.5
0.4
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
15
15
15
15
15
14
14
14
15
15
15
16
15
16
16
17
18
17
17
16
16
15

Feels Like (°C)

15
14
14
14
14
13
14
13
12
12
12
11
12
13
13
13
13
14
14
14
15
14
14
14

Dew Point (°C)

13
13
13
13
14
14
14
14
13
13
13
13
14
15
15
13
11
11
12
14
14
13
14
13

Relative Humidity (%)

82
86
89
89
89
90
93
96
93
92
90
87
92
93
95
85
71
67
70
82
81
82
87
92

Pressure (mb)

1013
1012
1012
1011
1011
1011
1010
1010
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1010
1011
1011
1011

Ozone (du)

366
367
368
368
368
368
367
368
369
368
371
371
372
375
377
379
382
384
384
387
389
389
388
387

Sunday 3

Waning Gibbous 95%

23:44

06:51

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
20 Bad
21 OK

Sun - Rise: 06:07, Set: 21:06, Transit: 13:37. Moon - Rise: 23:44, Set: 06:51. Civil Dark: 21:44 - 05:29. Nautical Dark: 22:31 - 04:40. Astro Dark: 23:32 - 03:38

Total Clouds (% Sky Obscured)

90
95
90
85
85
83
84
82
83
84
80
77
74
80
86
92
76
63
47
48
52
52
45
41

Low Clouds (% Sky Obscured)

6
14
21
28
42
57
71
73
67
66
68
66
61
69
76
84
66
48
30
32
34
36
26
16

Medium Clouds (% Sky Obscured)

3
9
13
23
65
56
71
56
73
79
79
65
74
75
77
78
72
63
47
48
52
52
45
4

High Clouds (% Sky Obscured)

82
89
78
69
56
43
30
22
4
8
12
15
10
5
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
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
1
1
0
2
2
1
5
7
10
12
18
45
61
75
71
60
49
37
29
28
5
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
12
12
11
11
10
10
10
10
11
12
13
13
14
14
15
15
15
15
14
14
13
12

Feels Like (°C)

13
12
11
10
9
10
9
9
9
9
10
11
12
13
13
14
14
13
13
13
13
12
11
11

Dew Point (°C)

13
12
11
11
10
10
9
9
9
9
9
9
10
11
12
13
14
14
14
14
13
13
12
12

Relative Humidity (%)

93
95
93
93
93
95
93
91
93
93
88
84
86
87
89
93
95
92
93
92
90
93
93
95

Pressure (mb)

1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1014

Ozone (du)

384
380
380
380
380
380
380
379
376
376
375
375
376
377
378
378
378
376
376
375
374
375
376
375

Monday 4

Waning Gibbous 90%

00:46

07:33

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

Sun - Rise: 06:06, Set: 21:07, Transit: 13:37. Moon - Rise: 00:46, Set: 07:33. Civil Dark: 21:46 - 05:27. Nautical Dark: 22:34 - 04:37. Astro Dark: 23:36 - 03:34

Total Clouds (% Sky Obscured)

44
42
46
45
49
52
56
55
55
59
54
41
53
53
66
75
68
68
61
60
63
62
60
58

Low Clouds (% Sky Obscured)

6
4
2
10
10
15
15
23
30
38
39
33
36
37
32
47
45
43
47
38
34
30
33
38

Medium Clouds (% Sky Obscured)

3
8
20
27
6
41
47
4
0
0
2
0
3
2
0
0
6
11
17
20
24
32
49
58

High Clouds (% Sky Obscured)

5
5
5
10
11
18
24
17
15
12
9
5
2
16
31
45
34
23
11
8
4
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

1
1
2
1
0
0
0
3
1
0
0
0
6
28
45
46
50
52
52
49
46
44
46
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0.2
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
10
9
10
9
10
9
9
9
10
10
10
10
10
10
10
10
10
11
11
11
11
11

Relative Humidity (%)

95
95
95
93
95
95
96
95
95
95
93
86
78
73
68
65
64
64
66
67
71
75
79
83

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1010
1009
1009
1009
1009
1009

Ozone (du)

375
376
377
380
381
382
381
380
379
377
375
374
373
372
372
373
373
373
373
373
374
374
375
376

Tuesday 5

Waning Gibbous 83%

01:38

08:28

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
20 Bad
21 Bad

Sun - Rise: 06:04, Set: 21:09, Transit: 13:37. Moon - Rise: 01:38, Set: 08:28. Civil Dark: 21:47 - 05:26. Nautical Dark: 22:36 - 04:35. Astro Dark: 23:39 - 03:31

Total Clouds (% Sky Obscured)

59
56
53
50
40
45
55
45
40
40
47
49
52
57
71
86
87
91
95
89
83
77
80
82

Low Clouds (% Sky Obscured)

47
48
53
50
40
45
55
45
40
40
47
49
52
57
71
77
80
79
74
59
47
35
19
12

Medium Clouds (% Sky Obscured)

59
56
53
50
40
45
55
45
40
40
47
49
52
57
71
86
87
91
95
79
59
39
28
18

High Clouds (% Sky Obscured)

4
5
5
15
15
25
35
45
40
40
47
49
52
55
45
40
37
19
13
13
8
3
29
56

ISS Passover

Visibility (miles)

7
5
5
5
5
3
2
1
1
1
1
0
0
0
2
4
5
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
None
None

Precipitation Probability (%)

42
59
74
85
95
95
95
95
95
95
95
95
95
95
95
95
93
75
54
52
49
48
38
27

Precipitation Amount (mm)

0
0.3
0.4
0.6
0.8
1.1
1.4
1.5
1.7
2.4
1.8
1.3
1.1
1.1
1
0.9
0.6
0.4
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
11
11
10
8
8
7
7
7
7
7
7
8
8
9
9
10
10
10
10
10
11
10

Dew Point (°C)

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

Relative Humidity (%)

86
90
91
95
96
98
98
98
98
98
98
98
98
98
96
95
95
93
90
89
89
90
89
90

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1007
1007
1007
1008
1008
1008
1009

Ozone (du)

378
379
380
381
382
382
382
381
381
381
381
382
382
382
381
381
380
381
382
384
385
386
387
387

Wednesday 6

Waning Gibbous 75%

02:17

09:33

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: 06:02, Set: 21:11, Transit: 13:36. Moon - Rise: 02:17, Set: 09:33. Civil Dark: 21:49 - 05:24. Nautical Dark: 22:38 - 04:33. Astro Dark: 23:42 - 03:27

Total Clouds (% Sky Obscured)

82
73
63
50
58
68
76
84
91
98
87
76
65
69
74
79
86
93
99
99
99
98

Low Clouds (% Sky Obscured)

8
19
31
45
45
46
46
52
59
65
59
56
47
46
47
46
59
73
89
86
83
79

Medium Clouds (% Sky Obscured)

8
7
11
15
15
19
23
28
33
34
27
19
11
14
16
33
48
49
50
40
26
11

High Clouds (% Sky Obscured)

82
55
29
1
1
3
4
10
17
16
12
8
6
15
21
29
28
43
62
60
57
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

5
10
12
14
16
16
14
17
17
18
26
30
34
41
43
43
55
61
61
57
49
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
95
95
95
95
95
93
91
90
81
73
66
65
63
61
62
64
66
69
72

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

387
387
386
386
385
387
389
391
391
390
390
389
388
386
388
390
392
392
393
394
396
398

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

Generated: 30/04/26 22:19:21. Forecast: 30/04/26 to 06/05/26. Timezone: UTC+2.00