Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 50%

04:19

11:45

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: 06:55, Set: 20:27, Transit: 13:41. Moon - Rise: 04:19, Set: 11:45. Civil Dark: 21:02 - 06:21. Nautical Dark: 21:43 - 05:39. Astro Dark: 22:27 - 04:53

Total Clouds (% Sky Obscured)

100
100
99
94
100
100
100
100
100
100
100
100
100
100
98
97
96
94
91
92
100
100
100
100

Low Clouds (% Sky Obscured)

1
57
78
78
83
57
31
19
28
37
33
43
48
52
51
57
48
45
39
25
0
0
0
0

Medium Clouds (% Sky Obscured)

69
80
54
24
68
77
73
88
50
51
64
83
96
95
78
76
73
78
85
84
85
100
100
100

High Clouds (% Sky Obscured)

100
84
26
94
100
100
100
100
100
100
100
100
100
100
88
75
73
53
41
27
100
100
100
100

ISS Passover

Visibility (miles)

8
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 (%)

95
95
35
5
4
10
2
1
0
0
0
0
0
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
15
13
10
9
8
8
6
4
3
3
3
3
3
2
2
1
1
1
1
1
3
4
2

Relative Humidity (%)

83
85
86
79
83
81
85
82
79
78
78
71
67
64
59
55
51
48
47
46
47
56
60
58

Pressure (mb)

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

Ozone (du)

365
367
372
375
378
380
377
377
374
370
368
365
365
364
362
362
363
362
359
357
356
356
356
355

Friday 10

Third Quarter 40%

04:45

13:00

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: 06:53, Set: 20:29, Transit: 13:41. Moon - Rise: 04:45, Set: 13:00. Civil Dark: 21:03 - 06:18. Nautical Dark: 21:45 - 05:36. Astro Dark: 22:30 - 04:50

Total Clouds (% Sky Obscured)

100
99
93
80
61
100
100
100
100
100
90
90
100
93
100
95
100
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
6
64
52
100
100
86
80
60

Medium Clouds (% Sky Obscured)

65
64
67
76
61
100
99
94
92
61
90
90
78
71
79
32
100
100
100
45
50
100
99
100

High Clouds (% Sky Obscured)

100
82
38
39
49
98
100
100
100
100
15
52
100
80
100
3
100
100
100
88
100
100
39
42

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
9
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
31
52
91
95
95
59
55
27
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.9
1.7
0.4
0
0.2
0
0

Wind Speed/Direction (mph)

5
6
6
7
7
7
7
7
7
8
9
11
12
14
15
15
15
14
11
12
15
15
14
12

Chance of Frost

Temperature (°C)

9
9
9
8
8
8
8
8
8
8
9
10
12
14
16
17
19
18
16
14
13
11
10
10

Feels Like (°C)

6
5
5
5
5
4
4
4
4
4
5
5
7
9
10
12
14
14
14
11
8
6
6
6

Dew Point (°C)

2
2
3
3
3
2
2
1
1
1
2
4
5
6
6
7
9
11
11
13
12
9
7
7

Relative Humidity (%)

60
63
65
68
69
65
66
63
62
62
64
65
62
57
52
49
53
65
71
92
90
87
84
81

Pressure (mb)

1018
1017
1017
1016
1015
1014
1014
1013
1013
1012
1011
1011
1010
1009
1008
1007
1007
1007
1007
1007
1009
1010
1011
1013

Ozone (du)

356
356
355
354
352
352
352
352
351
349
349
349
349
349
348
348
350
351
352
351
349
348
348
348

Saturday 11

Waning Crescent 30%

05:06

14:17

22 Bad
23 Bad
00 Bad
01 Bad
02 OK
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: 06:51, Set: 20:31, Transit: 13:41. Moon - Rise: 05:06, Set: 14:17. Civil Dark: 21:05 - 06:16. Nautical Dark: 21:47 - 05:34. Astro Dark: 22:32 - 04:47

Total Clouds (% Sky Obscured)

100
98
100
49
35
78
70
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
0
0
0
0
0
0
0
0
0
0
0
6
16
14
27
43
42
34
10
15
1
1
1

Medium Clouds (% Sky Obscured)

100
68
73
47
32
63
53
78
75
71
72
57
59
52
62
60
99
62
47
57
98
100
100
100

High Clouds (% Sky Obscured)

89
76
100
18
10
15
14
10
14
15
43
99
100
100
98
100
100
100
100
100
100
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
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
19
6
6
7
20
23
4
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)

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

Chance of Frost

Temperature (°C)

9
9
8
8
6
6
5
5
5
5
5
7
9
10
11
12
13
14
14
13
13
13
12
10

Feels Like (°C)

6
5
5
5
3
1
1
1
1
0
1
3
4
6
8
9
10
10
11
11
11
10
9
8

Dew Point (°C)

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

Relative Humidity (%)

80
78
82
84
82
82
83
86
85
88
85
79
73
69
65
61
56
55
54
53
57
62
66
68

Pressure (mb)

1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1015
1016

Ozone (du)

351
353
356
357
358
360
362
366
368
369
372
374
375
376
376
377
377
377
379
380
382
382
381
382

Sunday 12

Waning Crescent 21%

05:22

15:36

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: 06:49, Set: 20:32, Transit: 13:40. Moon - Rise: 05:22, Set: 15:36. Civil Dark: 21:07 - 06:14. Nautical Dark: 21:49 - 05:31. Astro Dark: 22:34 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
78
83
70
61

Low Clouds (% Sky Obscured)

1
14
27
39
34
30
25
32
36
41
40
40
41
43
46
48
55
62
69
46
23
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
65
44
100
100
87
72
100
100
100
42
53
35
37

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
96
92
87
91
95
100
100
100
100
100
78
83
67
33

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
9
8
5
4
5
5
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
1
1
0
2
2
0
0
1
1
4
10
24
48
61
61
61
71
83
84
74
48
39
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.2
0.4
0.6
0.6
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
71
73
73
73
73
74
75
75
75
73
67
62
59
57
58
54
54
59
64
70
77
81

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1015
1015
1014
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014

Ozone (du)

383
383
385
386
386
386
387
389
393
395
397
400
402
407
413
419
425
437
447
454
458
458
456
452

Monday 13

Waning Crescent 12%

05:36

16:55

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: 06:46, Set: 20:34, Transit: 13:40. Moon - Rise: 05:36, Set: 16:55. Civil Dark: 21:09 - 06:12. Nautical Dark: 21:51 - 05:29. Astro Dark: 22:37 - 04:41

Total Clouds (% Sky Obscured)

81
49
88
90
81
73
64
68
74
82
80
78
79
66
44
51
60
72
76
72
71
66
73
79

Low Clouds (% Sky Obscured)

0
0
0
3
8
19
21
40
58
77
75
75
75
66
39
51
57
63
71
59
49
39
35
40

Medium Clouds (% Sky Obscured)

81
36
88
90
81
73
64
68
64
60
60
55
55
60
25
51
58
50
43
34
25
18
13
8

High Clouds (% Sky Obscured)

0
2
9
16
12
11
11
4
2
0
0
0
0
0
0
0
0
0
0
13
25
38
50
62

ISS Passover

Visibility (miles)

9
9
9
9
9
4
4
3
5
9
9
9
4
8
9
5
3
5
6
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

3
6
6
13
66
95
95
95
95
67
42
59
70
42
55
84
82
75
70
58
44
37
33
30

Precipitation Amount (mm)

0
0
0
0
0.4
1.4
1.1
1.9
0.4
0
0
0.3
0.4
0
0.2
0.7
0.6
0.5
0.4
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
88
87
85
88
93
90
90
91
90
91
93
91
81
73
90
88
88
88
88
90
90
93

Pressure (mb)

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

Ozone (du)

449
448
445
445
445
443
442
441
444
452
465
475
480
478
477
471
464
454
445
435
428
421
414
407

Tuesday 14

Waning Crescent 6%

05:49

18:17

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 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:44, Set: 20:35, Transit: 13:40. Moon - Rise: 05:49, Set: 18:17. Civil Dark: 21:10 - 06:10. Nautical Dark: 21:53 - 05:26. Astro Dark: 22:39 - 04:38

Total Clouds (% Sky Obscured)

87
88
88
89
91
96
100
100
100
100
100
100
99
96
92
90
71
52
38
50
65
77
82
85

Low Clouds (% Sky Obscured)

50
50
55
55
60
60
60
60
60
60
60
59
59
62
65
63
66
52
38
46
38
30
20
11

Medium Clouds (% Sky Obscured)

1
3
3
4
4
4
4
3
3
4
6
8
10
9
8
8
11
4
2
4
6
9
9
9

High Clouds (% Sky Obscured)

71
50
28
7
33
52
65
51
46
47
49
52
55
63
72
74
59
34
17
34
45
57
67
79

ISS Passover

Visibility (miles)

8
8
8
8
8
7
7
6
6
5
4
6
8
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 (%)

25
21
17
12
14
15
16
14
11
4
9
12
14
16
18
20
19
18
16
13
10
4
7
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
96
96
96
94
94
96
96
96
93
87
84
76
71
65
64
63
61
65
69
71
75

Pressure (mb)

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

Ozone (du)

400
393
391
388
386
383
381
379
376
373
371
368
366
364
362
360
358
356
355
353
352
350
348
347

Wednesday 15

Waning Crescent 2%

06:02

19:42

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: 06:42, Set: 20:37, Transit: 13:40. Moon - Rise: 06:02, Set: 19:42. Civil Dark: 21:12 - 06:07. Nautical Dark: 21:55 - 05:24. Astro Dark: 22:42 - 04:35

Total Clouds (% Sky Obscured)

87
88
90
90
90
89
87
86
86
85
87
90
92
88
83
78
83
89
94
92
90
89

Low Clouds (% Sky Obscured)

3
21
40
63
53
43
34
26
21
18
14
12
11
26
37
55
55
52
49
55
61
68

Medium Clouds (% Sky Obscured)

10
9
13
16
14
15
14
15
16
13
40
66
92
86
80
68
61
59
57
47
30
10

High Clouds (% Sky Obscured)

87
79
69
57
48
54
54
53
52
69
71
70
66
49
31
14
14
17
22
15
9
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

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
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
10
10
11
16
22

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
9
9
9
7
7
7
7
7
6
8
8
8
9
9
10
15
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

77
78
80
80
80
81
82
82
81
80
78
75
69
66
65
64
62
65
66
70
74
78

Pressure (mb)

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

Ozone (du)

345
343
343
342
341
342
343
343
343
343
343
346
349
352
354
356
359
358
358
357
356
355

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

Generated: 09/04/26 22:44:26. Forecast: 09/04/26 to 15/04/26. Timezone: UTC+2.00