Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 4

Waning Gibbous 91%

23:36

07:50

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
10 Bad

Sun - Rise: 07:06, Set: 20:18, Transit: 13:43. Moon - Rise: 23:36, Set: 07:50. Civil Dark: 20:51 - 06:32. Nautical Dark: 21:32 - 05:51. Astro Dark: 22:16 - 05:07

Total Clouds (% Sky Obscured)

74
80
83
99
100
91
92
91
45
90
92
92
98
100
63
86
96
100
100
100
100
98
100
100

Low Clouds (% Sky Obscured)

74
76
83
76
79
76
51
25
8
8
0
0
0
0
0
0
19
79
56
80
100
62
66
58

Medium Clouds (% Sky Obscured)

21
47
61
69
96
56
82
20
44
80
71
92
33
0
0
56
36
47
100
100
100
95
96
100

High Clouds (% Sky Obscured)

0
4
1
4
94
22
15
80
15
75
34
25
97
100
63
77
89
100
100
100
100
87
99
70

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
2
0
5
1
5
13
2
0
0
0
0
0
0
0
0
1
0
0
0
0
1
18
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)

11
11
12
14
12
12
13
13
13
12
13
15
16
18
19
20
20
20
20
19
18
18
18
18

Chance of Frost

Temperature (°C)

12
13
14
14
14
15
15
16
15
14
13
13
13
12
12
12
12
12
12
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
70
75
71
74
76
75
77
78
79
82
83
79
76
72
72
70
66
66
71
70
71
77
73

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1018
1017
1017
1017
1016
1015
1015
1014
1013
1013
1012
1012
1013
1014
1014
1015
1016

Ozone (du)

374
373
374
377
379
380
380
380
380
378
378
377
375
373
369
367
365
361
361
364
366
367
368
370

Sunday 5

Waning Gibbous 85%

00:48

08:16

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 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:04, Set: 20:19, Transit: 13:43. Moon - Rise: 00:48, Set: 08:16. Civil Dark: 20:53 - 06:30. Nautical Dark: 21:34 - 05:49. Astro Dark: 22:18 - 05:04

Total Clouds (% Sky Obscured)

100
100
100
100
83
84
70
65
57
68
100
88
94
97
48
100
98
75
65
88
35
59
63
58

Low Clouds (% Sky Obscured)

58
63
48
55
39
42
36
47
57
51
47
56
43
51
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
67
51
48
40
19
0
0
0
21
17
13
0
0
0
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
91
72
84
13
28
27
15
1
36
98
61
83
91
48
100
98
75
65
88
35
59
63
58

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 (%)

5
21
32
43
35
26
28
10
11
13
1
1
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)

17
18
18
19
19
18
19
18
17
13
11
9
10
10
9
8
7
6
6
5
5
5
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
66
64
61
71
70
64
62
62
71
72
77
81
81
84
85
88
89
91
93
93
89
82
73

Pressure (mb)

1017
1018
1018
1019
1019
1019
1020
1020
1021
1022
1024
1024
1025
1026
1026
1027
1027
1027
1028
1028
1029
1029
1029
1030

Ozone (du)

370
370
371
370
372
374
373
371
371
377
374
374
373
373
374
374
373
372
372
371
370
369
368
368

Monday 6

Waning Gibbous 78%

01:56

08:51

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

Sun - Rise: 07:01, Set: 20:21, Transit: 13:42. Moon - Rise: 01:56, Set: 08:51. Civil Dark: 20:55 - 06:28. Nautical Dark: 21:36 - 05:46. Astro Dark: 22:20 - 05:01

Total Clouds (% Sky Obscured)

71
78
51
76
85
66
33
51
42
52
28
23
5
14
4
3
2
2
2
3
2
2
3
3

Low Clouds (% Sky Obscured)

0
0
13
27
25
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
42
18
25
28
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

71
52
22
45
67
58
33
51
42
52
28
23
5
14
3
3
2
2
2
2
2
1
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
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
2
2
1
1
2
3
4
5
5
6
6
6
6
6
6
6
5
5
5
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
10
11
11
11
11
10
10
7
6
4
4
4
4
4
4
3
3
3
3
3
6
8

Dew Point (°C)

3
3
2
2
2
1
1
2
4
4
2
1
1
2
2
2
1
1
1
1
1
1
1
2

Relative Humidity (%)

63
57
51
48
46
45
45
47
58
63
63
63
67
71
74
75
74
75
75
76
76
76
67
59

Pressure (mb)

1030
1030
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025

Ozone (du)

367
366
364
362
361
362
362
363
364
365
365
366
366
367
369
370
370
370
371
372
374
375
375
375

Tuesday 7

Waning Gibbous 69%

02:55

09:38

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 OK
07 OK
08 OK
09 OK
10 OK

Sun - Rise: 06:59, Set: 20:23, Transit: 13:42. Moon - Rise: 02:55, Set: 09:38. Civil Dark: 20:56 - 06:25. Nautical Dark: 21:38 - 05:44. Astro Dark: 22:23 - 04:59

Total Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
12
20
31
42
35
27

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)

2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
12
20
31
24
12
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
0
0
0
0
0
0
0
0
0
0
1
2
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)

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

Chance of Frost

Temperature (°C)

12
13
15
16
17
17
18
17
15
14
12
11
10
10
9
8
8
8
7
8
7
8
10
13

Feels Like (°C)

10
12
13
15
15
16
17
16
14
13
11
10
9
9
8
8
7
7
6
7
6
7
8
11

Dew Point (°C)

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

Relative Humidity (%)

53
49
46
44
41
41
42
52
62
70
73
76
76
76
75
77
75
75
77
77
77
77
72
64

Pressure (mb)

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

Ozone (du)

373
370
370
370
368
366
364
363
362
361
358
357
358
358
358
356
353
352
352
351
351
351
350
349

Wednesday 8

Waning Gibbous 60%

03:43

10:37

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

Sun - Rise: 06:57, Set: 20:24, Transit: 13:42. Moon - Rise: 03:43, Set: 10:37. Civil Dark: 20:58 - 06:23. Nautical Dark: 21:40 - 05:41. Astro Dark: 22:25 - 04:56

Total Clouds (% Sky Obscured)

6
8
8
7
5
8
24
26
18
31
39
48
48
56
63
73
80
84
78
71
67
66
64
59

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
17
32
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
53
46
39
32
32
33
24
19
15
10

High Clouds (% Sky Obscured)

1
1
1
1
2
3
2
1
0
7
13
20
26
33
39
57
75
84
78
71
67
66
64
59

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 (%)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
7
8

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

Chance of Frost

Temperature (°C)

16
17
19
20
20
20
19
18
17
15
14
13
11
10
10
9
8
8
7
7
7
6
8
10

Feels Like (°C)

14
16
18
18
19
18
17
16
13
11
10
9
8
7
6
5
5
5
5
5
4
4
3
5

Dew Point (°C)

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

Relative Humidity (%)

58
55
53
52
50
50
51
54
58
61
62
66
70
71
66
63
64
66
67
69
71
72
64
58

Pressure (mb)

1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019

Ozone (du)

347
345
344
345
345
348
351
351
351
351
352
353
356
357
358
360
360
360
360
360
361
361
363
366

Thursday 9

Waning Gibbous 50%

04:19

No Set

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

Sun - Rise: 06:55, Set: 20:26, Transit: 13:41. Moon - Rise: 04:19, Set: No Set. Civil Dark: 21:00 - 06:21. Nautical Dark: 21:42 - 05:39. Astro Dark: 22:27 - 04:53

Total Clouds (% Sky Obscured)

60
62
63
63
53
39
48
53
55
45
39
32
40
43
44
57
68
72
72
67
67
62
57
53

Low Clouds (% Sky Obscured)

38
32
29
24
21
19
17
15
12
14
16
18
18
17
19
13
11
10
13
14
16
29
41
50

Medium Clouds (% Sky Obscured)

10
5
5
4
3
2
3
3
7
5
3
1
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

60
62
63
59
28
2
4
6
7
5
4
3
4
5
5
23
49
72
62
62
62
62
57
53

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 (%)

16
22
28
22
14
1
20
27
31
30
34
9
10
7
1
3
1
0
4
2
0
3
1
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
12
13
13
14
13
12
12
11
11
10
10
11
11
11
10
10
9
9
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
6
7
14
12
12
12
13
13
7
7
7
7
7
6
2
2
2
1
1
0
-1
0

Dew Point (°C)

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

Relative Humidity (%)

52
48
43
40
40
38
38
44
53
64
62
61
60
61
62
64
62
62
61
62
62
62
54
48

Pressure (mb)

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

Ozone (du)

368
369
369
370
373
376
379
379
379
379
382
384
387
391
394
398
398
398
398
400
401
402
402
402

Friday 10

Third Quarter 40%

04:45

11:45

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: 06:53, Set: 20:27, Transit: 13:41. Moon - Rise: 04:45, Set: 11:45. Civil Dark: 21:02 - 06:18. Nautical Dark: 21:43 - 05:36. Astro Dark: 22:30 - 04:50

Total Clouds (% Sky Obscured)

52
51
48
52
58
66
69
69
72
77
81
87
89
90
92
94
97
99
99
99
99

Low Clouds (% Sky Obscured)

50
47
46
43
41
38
30
24
21
14
5
0
0
0
0
0
0
0
15
29
44

Medium Clouds (% Sky Obscured)

0
0
0
4
10
19
19
20
16
16
16
16
17
18
31
46
49
51
40
25
10

High Clouds (% Sky Obscured)

52
44
33
45
48
53
42
31
25
42
60
72
71
76
75
94
97
96
97
99
99

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
39
37
34
34
34
35
39
44
50
49
48
47
50
52
55
56
55
56
56
55

Pressure (mb)

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

Ozone (du)

401
403
405
406
407
407
407
408
409
410
411
412
413
414
415
416
419
422
426
428
429

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

Generated: 04/04/26 11:23:45. Forecast: 04/04/26 to 10/04/26. Timezone: UTC+2.00