Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Gibbous 60%

03:43

10:37

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

Sun - Rise: 06:57, Set: 20:26, Transit: 13:41. Moon - Rise: 03:43, Set: 10:37. Civil Dark: N/A - 06:23. Nautical Dark: 21:40 - 05:41. Astro Dark: 22:25 - 04:56

Total Clouds (% Sky Obscured)

35
33
34
25
15
17
44
69
45
38
45
50
58
23
20
30
21
22
12
23
74
80
100
100

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
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
24
26
23
22
19
4
0
1
3
12
7
7
45
56
69
100

High Clouds (% Sky Obscured)

24
14
12
3
10
17
44
64
22
10
24
29
38
23
20
30
21
7
12
23
38
71
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
3

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
Light Rain
Moderate Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
86
95

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
0.9
2.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
14
13
12
11
10
9
9
9
9
9
9
12
15
18
20
21
22
23
24
23
23
22
20

Feels Like (°C)

13
12
11
11
11
7
6
6
6
6
6
6
10
13
16
18
19
21
23
21
21
21
21
19

Dew Point (°C)

9
7
7
7
7
6
4
3
3
3
3
4
6
8
10
11
11
12
12
12
13
15
16
18

Relative Humidity (%)

62
61
65
70
75
76
70
65
66
65
68
70
67
61
59
56
53
51
49
49
52
61
69
85

Pressure (mb)

1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1018
1018
1017
1017
1016
1016
1016

Ozone (du)

361
362
364
365
366
366
366
366
368
370
369
368
367
367
367
369
370
371
371
372
371
371
371
369

Thursday 9

Waning Gibbous 50%

04:19

11:45

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:55, Set: 20:27, Transit: 13:41. Moon - Rise: 04:19, Set: 11:45. Civil Dark: 21:00 - 06:21. Nautical Dark: 21:42 - 05:39. Astro Dark: 22:27 - 04:53

Total Clouds (% Sky Obscured)

100
98
52
76
95
100
100
100
100
100
100
100
100
100
100
100
100
100
93
91
76
95
96
100

Low Clouds (% Sky Obscured)

35
5
4
60
89
45
40
36
6
0
0
0
31
38
39
34
29
4
0
0
0
2
4
0

Medium Clouds (% Sky Obscured)

100
66
52
62
51
28
43
57
64
63
94
59
96
82
100
100
99
88
85
91
76
90
92
85

High Clouds (% Sky Obscured)

100
93
20
15
16
100
100
100
100
100
100
100
100
100
100
100
100
100
50
21
24
74
83
100

ISS Passover

Visibility (miles)

1
2
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

Light Rain
Very Light Rain
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
74
30
17
4
1
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

2.2
0.3
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
6
6
10
13
12
12
11
9
8
6
6
7
7
6
5
5
3
3
3
3
4
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
15
15
12
9
8
6
5
5
4
3
4
4
5
6
7
7
8
9
10
9
10
10
9

Dew Point (°C)

17
15
15
13
11
10
9
7
6
6
5
5
5
3
3
2
2
1
0
1
1
1
3
4

Relative Humidity (%)

92
95
93
89
89
92
91
85
88
88
87
87
81
70
64
59
54
50
47
46
45
47
55
60

Pressure (mb)

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

Ozone (du)

369
371
374
381
380
379
377
378
380
379
376
376
375
375
374
373
371
368
367
365
363
362
362
359

Friday 10

Third Quarter 40%

04:45

13:00

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:53, Set: 20:29, Transit: 13:41. Moon - Rise: 04:45, Set: 13:00. Civil Dark: 21:02 - 06:18. Nautical Dark: 21:43 - 05:36. Astro Dark: 22:30 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
80
91
96
94
96
100
100
98
84
58
100
96
88
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
2
0
1
0
0
0
1
0
0
0
0
0
1
0
0
1
16
18
20
36
64
91
93

Medium Clouds (% Sky Obscured)

99
94
80
75
89
96
85
90
94
96
98
84
58
12
26
33
99
98
97
96
62
96
100
99

High Clouds (% Sky Obscured)

100
99
100
14
13
25
83
86
100
100
49
36
14
100
90
82
100
100
100
100
100
100
99
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
5
3
1

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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Moderate Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
1
2
0
0
0
0
0
0
0
0
9
30
77
73
81
79
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.5
0.3
1
4.7
1.3

Wind Speed/Direction (mph)

5
7
7
6
6
7
7
7
7
8
9
10
10
12
13
14
16
15
11
10
9
9
9
14

Chance of Frost

Temperature (°C)

10
9
9
8
8
8
8
8
8
8
9
9
11
13
16
18
20
20
19
18
17
16
15
13

Feels Like (°C)

7
6
6
5
5
4
4
5
5
5
5
6
7
9
12
15
17
16
16
16
14
14
13
9

Dew Point (°C)

2
3
3
3
3
3
3
3
3
4
5
6
6
8
10
11
12
13
15
14
13
13
13
13

Relative Humidity (%)

58
62
65
67
70
71
71
71
71
75
77
77
73
69
67
63
59
64
77
76
78
79
87
96

Pressure (mb)

1017
1017
1016
1015
1014
1014
1013
1012
1012
1011
1010
1009
1009
1008
1007
1007
1006
1006
1006
1005
1005
1005
1005
1007

Ozone (du)

357
355
354
353
354
355
356
355
355
356
357
357
358
358
358
357
356
358
358
357
360
363
362
362

Saturday 11

Waning Crescent 30%

05:06

14:17

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:51, Set: 20:31, Transit: 13:41. Moon - Rise: 05:06, Set: 14:17. Civil Dark: 21:03 - 06:16. Nautical Dark: 21:45 - 05:34. Astro Dark: 22:32 - 04:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
98
90
82
73
66
69
73
49
24
0
0
0
0
15
29
44
43
41
40
26
13
1
0

Medium Clouds (% Sky Obscured)

98
97
98
99
100
99
97
80
94
92
92
83
98
98
97
95
93
95
97
99
93
100
100
100

High Clouds (% Sky Obscured)

93
89
93
96
100
98
88
99
99
97
96
97
99
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

5
3
6
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

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

Precipitation Probability (%)

95
95
93
78
86
81
72
54
40
26
3
1
1
0
0
0
0
0
1
0
3
4
2
1

Precipitation Amount (mm)

1
1.3
0.5
0.4
0.6
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
8
7
6
5
5
5
5
5
5
4
4
3
2
3
3
3
3
3
3
4
5
5

Relative Humidity (%)

95
95
93
91
88
90
90
88
90
90
91
88
78
70
62
60
57
55
53
51
51
59
63
71

Pressure (mb)

1008
1008
1009
1010
1011
1011
1012
1012
1013
1013
1013
1014
1014
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015

Ozone (du)

363
364
364
363
362
360
359
353
354
355
361
364
366
367
366
367
368
369
370
370
369
370
371
371

Sunday 12

Waning Crescent 21%

05:22

15:36

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:49, Set: 20:32, Transit: 13:40. Moon - Rise: 05:22, Set: 15:36. Civil Dark: 21:05 - 06:14. Nautical Dark: 21:47 - 05:31. Astro Dark: 22:34 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
84
83
82
89
93
97
98
99
100
99
96
92
93

Low Clouds (% Sky Obscured)

1
1
19
35
53
45
36
27
35
40
41
36
35
33
34
38
37
32
30
27
20
11
2
4

Medium Clouds (% Sky Obscured)

100
92
98
97
80
99
75
82
91
100
100
55
60
82
89
93
97
98
99
100
99
96
92
93

High Clouds (% Sky Obscured)

100
100
100
100
100
90
80
69
80
90
100
0
0
0
0
0
0
0
0
25
15
5
10
5

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 (%)

1
1
1
0
0
2
4
5
11
17
22
0
0
0
1
2
3
7
9
10
12
13
12
11

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
4
4
4
3
3
3
3
2
2
3
3
4
4
5
6
6
10
9
9
9
9
9

Dew Point (°C)

4
4
4
3
4
4
4
4
4
4
4
5
4
5
5
5
4
4
4
3
3
4
5
5

Relative Humidity (%)

70
73
74
75
78
84
86
90
91
93
93
91
82
77
71
66
60
56
56
54
54
59
67
76

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

372
375
378
382
384
386
387
389
389
391
393
396
402
409
415
418
421
424
425
426
427
429
431
433

Monday 13

Waning Crescent 12%

05:36

16:55

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

Sun - Rise: 06:46, Set: 20:34, Transit: 13:40. Moon - Rise: 05:36, Set: 16:55. Civil Dark: 21:07 - 06:12. Nautical Dark: 21:49 - 05:29. Astro Dark: 22:37 - 04:41

Total Clouds (% Sky Obscured)

94
96
93
93
92
78
63
44
37
30
18
29
42
54
67
80
93
95
98
100
100
100
100
97

Low Clouds (% Sky Obscured)

6
8
9
8
7
6
4
4
5
5
2
16
29
40
48
56
65
69
73
77
66
55
39
40

Medium Clouds (% Sky Obscured)

94
96
80
61
44
31
19
6
5
3
3
22
40
54
58
58
59
72
86
100
100
100
100
96

High Clouds (% Sky Obscured)

20
10
5
10
20
31
22
10
8
5
0
3
5
10
39
62
85
80
76
73
68
71
68
51

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

9
1
4
4
1
1
1
0
0
0
0
2
3
2
29
41
48
62
67
75
71
62
43
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.4
0.3
0
0

Wind Speed/Direction (mph)

4
3
2
2
3
4
5
5
6
6
6
7
8
9
11
10
10
10
10
10
10
9
8
8

Chance of Frost

Temperature (°C)

9
8
7
7
6
6
6
5
5
5
5
6
7
9
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
79
81
82
83
85
86
88
86
83
82
74
68
63
71
78
87
90
90
91
90
88
87

Pressure (mb)

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

Ozone (du)

437
441
445
447
449
451
451
450
450
447
444
441
440
438
437
438
439
440
440
440
439
441
444
446

Tuesday 14

Waning Crescent 6%

05:49

18:17

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

Sun - Rise: 06:44, Set: 20:35, Transit: 13:40. Moon - Rise: 05:49, Set: 18:17. Civil Dark: 21:09 - 06:10. Nautical Dark: 21:51 - 05:26. Astro Dark: 22:39 - 04:38

Total Clouds (% Sky Obscured)

94
91
92
94
95
95
96
97
95
93
89
89
91
93
89
85
77

Low Clouds (% Sky Obscured)

40
41
39
37
40
51
60
72
70
68
66
70
74
76
64
52
41

Medium Clouds (% Sky Obscured)

92
88
90
92
93
93
92
92
84
70
50
41
41
41
31
21
10

High Clouds (% Sky Obscured)

35
18
16
16
15
4
0
0
0
1
1
21
39
41
27
13
1

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
6
21
28
33
31
27
17
23
20
0
9
11
12
19
24
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
91
93
93
94
94
96
96
96
96
91
84
78
71
65

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021

Ozone (du)

446
446
446
446
446
445
445
444
443
438
434
430
427
425
423
422
421

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

Generated: 08/04/26 21:44:34. Forecast: 08/04/26 to 14/04/26. Timezone: UTC+2.00