Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 30

Waxing Gibbous 95%

17:24

06:41

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 OK
20 OK
21 OK
22 OK
23 OK
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
06 Bad

Sun - Rise: 07:21, Set: 20:12, Transit: 13:46. Moon - Rise: 17:24, Set: 06:41. Civil Dark: 20:45 - 06:46. Nautical Dark: 21:25 - 06:05. Astro Dark: 22:08 - 05:23

Total Clouds (% Sky Obscured)

58
52
53
61
66
83
98
82
85
76
73
57
40
34
39
36
29
10
7
7
30
31
46
66

Low Clouds (% Sky Obscured)

32
50
47
48
54
53
65
68
75
72
65
57
40
34
39
36
29
10
7
7
30
31
31
44

Medium Clouds (% Sky Obscured)

2
0
3
19
26
40
50
27
24
27
20
0
0
0
0
0
0
0
0
0
0
0
10
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
3
29
20
15

ISS Passover

Visibility (miles)

9
9
9
9
8
9
8
8
7
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
8
37
36
44
58
60
71
63
53
35
8
1
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.3
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
11
14
16
17
18
18
18
18
17
16
14
11
9
7
6
5
5
5
6
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
83
78
73
66
61
59
60
60
61
61
65
70
75
78
80
80
82
82
83
85
86
88

Pressure (mb)

1018
1019
1020
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1024
1024
1025
1026
1026
1026
1027
1027
1027
1027
1027

Ozone (du)

358
358
359
365
367
362
357
354
350
348
344
340
332
328
326
324
323
322
323
323
323
323
322
321

Tuesday 31

Waxing Gibbous 99%

18:40

06:53

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:19, Set: 20:13, Transit: 13:46. Moon - Rise: 18:40, Set: 06:53. Civil Dark: 20:47 - 06:43. Nautical Dark: 21:27 - 06:03. Astro Dark: 22:10 - 05:20

Total Clouds (% Sky Obscured)

69
88
86
81
89
90
95
95
97
97
96
98
98
97
93
100
87
100
100
100
98
96
94
95

Low Clouds (% Sky Obscured)

53
68
73
68
76
67
90
64
67
68
74
80
74
70
79
84
68
76
87
94
92
93
94
95

Medium Clouds (% Sky Obscured)

52
72
34
17
21
88
91
37
30
28
19
19
10
9
13
28
23
55
61
66
69
48
69
75

High Clouds (% Sky Obscured)

20
15
1
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
1
1
3
8
6
2

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
6
18
30
31
31
22
20
20
11
17
12
14
12
11
10
1
3
1
6
15
8
2
13

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

Chance of Frost

Temperature (°C)

2
2
4
6
8
9
10
10
10
10
10
9
9
8
8
8
7
7
7
7
7
7
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
86
79
69
62
68
66
69
74
74
72
76
77
78
78
79
81
84
90
93
93
93
91

Pressure (mb)

1027
1028
1028
1028
1028
1028
1028
1027
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026

Ozone (du)

318
317
317
319
321
319
318
319
318
320
321
320
320
320
320
320
320
320
320
320
320
321
322
323

Wednesday 1

Waxing Gibbous 100%

19:55

07:05

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

Sun - Rise: 07:17, Set: 20:15, Transit: 13:46. Moon - Rise: 19:55, Set: 07:05. Civil Dark: 20:48 - 06:41. Nautical Dark: 21:29 - 06:01. Astro Dark: 22:12 - 05:17

Total Clouds (% Sky Obscured)

83
78
83
79
89
88
82
81
68
54
44
41
53
54
30
36
56
60
61
59
60
57
64
72

Low Clouds (% Sky Obscured)

83
74
76
71
79
81
73
68
55
49
33
29
23
11
0
16
40
60
61
59
57
55
61
67

Medium Clouds (% Sky Obscured)

28
17
35
38
38
34
42
39
37
27
21
17
21
19
14
12
21
25
33
30
23
20
21
24

High Clouds (% Sky Obscured)

0
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
14

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
1
1
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 (%)

5
0
0
0
0
0
0
1
0
0
0
0
0
0
1
1
1
5
14
9
9
10
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
84
74
67
57
52
51
48
44
43
44
51
59
62
64
65
66
69
72
76
76
76
78

Pressure (mb)

1026
1026
1026
1026
1025
1025
1025
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1019
1019

Ozone (du)

323
324
324
326
329
330
331
331
332
333
332
332
333
334
336
338
339
338
339
339
340
340
340
342

Thursday 2

Full Moon 99%

21:09

07:05

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:14, Set: 20:17, Transit: 13:46. Moon - Rise: 21:09, Set: 07:05. Civil Dark: 20:50 - 06:39. Nautical Dark: 21:31 - 05:58. Astro Dark: 22:14 - 05:14

Total Clouds (% Sky Obscured)

78
100
100
100
100
100
100
100
100
100
100
100
100
85
77
60
70
71
74
71
70
71
73
74

Low Clouds (% Sky Obscured)

62
65
75
78
86
91
95
86
75
65
69
74
80
71
64
57
67
69
69
54
49
19
22
41

Medium Clouds (% Sky Obscured)

26
100
98
100
33
100
88
100
100
27
40
50
45
30
15
3
16
50
55
45
45
45
54
67

High Clouds (% Sky Obscured)

22
58
79
100
100
100
100
100
100
100
100
100
100
67
33
0
0
5
5
20
35
51
35
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 (%)

12
13
12
11
22
32
39
34
27
29
26
30
16
4
16
3
1
1
0
1
14
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
8
9
9
8
8
9
9
9
8
7
6
5
4
4
3
4
5
5
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
75
69
64
65
67
66
67
65
62
73
77
79
81
82
82
84
83
83
86
90
93
93

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1018

Ozone (du)

344
345
346
346
346
348
350
352
356
360
365
367
366
366
365
365
365
366
367
369
370
372
373
374

Friday 3

Waning Gibbous 96%

22:24

07:17

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:12, Set: 20:18, Transit: 13:45. Moon - Rise: 22:24, Set: 07:17. Civil Dark: 20:52 - 06:36. Nautical Dark: 21:32 - 05:56. Astro Dark: 22:16 - 05:12

Total Clouds (% Sky Obscured)

78
77
75
66
79
87
99
98
98
98
92
95
94
100
100
100
99
98
97
98
99
100
100
100

Low Clouds (% Sky Obscured)

10
42
33
30
51
53
56
63
68
74
65
78
82
100
100
100
97
93
90
88
86
84
85
86

Medium Clouds (% Sky Obscured)

78
72
67
19
26
37
44
50
55
88
71
52
52
67
56
25
32
46
59
57
58
57
63
73

High Clouds (% Sky Obscured)

5
8
7
10
35
61
87
58
32
5
3
3
4
0
0
0
0
0
0
33
68
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
14
1
0
0
2
3
5
9
15
12
4
4
4
3
7
7
2
4
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
81
74
69
64
61
62
68
70
63
70
75
75
73
72
73
75
76
76
78
78
80

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

374
377
380
379
380
381
383
385
388
388
387
384
381
379
379
378
378
377
376
376
376
376
376
376

Saturday 4

Waning Gibbous 91%

23:38

07:33

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

Sun - Rise: 07:10, Set: 20:20, Transit: 13:45. Moon - Rise: 23:38, Set: 07:33. Civil Dark: 20:54 - 06:34. Nautical Dark: 21:34 - 05:53. Astro Dark: 22:18 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
97
93
88
73
60
48
41
37
38
37
38
29
47
63
79
76
70
64
76
87

Low Clouds (% Sky Obscured)

87
91
96
100
82
58
25
17
15
13
11
8
3
2
1
0
6
11
14
16
22
25
24
24

Medium Clouds (% Sky Obscured)

75
66
58
49
33
16
0
0
0
0
1
3
4
3
2
4
4
3
0
2
5
7
32
57

High Clouds (% Sky Obscured)

100
73
46
15
32
47
65
64
60
48
41
37
38
37
30
6
26
47
67
58
48
64
59
87

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
4
2
0
1
1
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)

14
14
14
14
14
15
15
15
15
14
14
13
13
13
13
13
13
13
13
14
14
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
6
6
7
6
13
12
12
12
13
12
11
11
10
11
10
10
7
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

80
80
78
76
73
66
59
54
55
55
55
59
63
67
68
69
70
71
72
73
72
72
71
66

Pressure (mb)

1018
1018
1018
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013

Ozone (du)

377
377
377
378
378
377
377
376
376
375
375
374
373
371
370
369
367
366
366
365
364
362
361
362

Sunday 5

Waning Gibbous 85%

00:51

07:52

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:08, Set: 20:22, Transit: 13:45. Moon - Rise: 00:51, Set: 07:52. Civil Dark: 20:55 - 06:32. Nautical Dark: 21:36 - 05:51. Astro Dark: 22:21 - 05:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
98
93
83
71
72
73
73

Low Clouds (% Sky Obscured)

24
34
40
45
53
60
66
68
69
70
77
86
96
92
83
71
72
68
54

Medium Clouds (% Sky Obscured)

82
87
94
100
100
100
100
100
100
100
95
85
75
54
32
8
7
5
4

High Clouds (% Sky Obscured)

100
100
100
100
100
99
98
98
99
100
88
78
64
44
35
35
40
39
27

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
7
7
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

Precipitation Type

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

Precipitation Probability (%)

0
0
1
0
22
35
47
50
43
37
35
40
50
52
52
49
40
28
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
58
62
65
70
73
79
84
81
77
76
75
73
72
76
79
82
82
84

Pressure (mb)

1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1019
1020
1020
1021
1022
1022

Ozone (du)

364
365
368
371
375
375
376
376
377
379
380
380
381
381
379
377
375
373
372

Forecast for Brussels, Bruxelles-Capitale, Kingdom of Belgium (50.85,4.35)

Generated: 30/03/26 06:52:35. Forecast: 30/03/26 to 05/04/26. Timezone: UTC+2.00