Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 85%

00:48

08:16

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 OK
06 OK
07 OK
08 OK
09 Bad
10 OK
11 OK
12 Good
13 Bad
14 Bad
15 OK

Sun - Rise: 07:04, Set: 20:19, Transit: 13:42. 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)

96
69
61
54
41
44
55
87
100
88
41
83
77
28
35
37
37
77
30
26
15
100
100
29

Low Clouds (% Sky Obscured)

27
37
41
54
31
35
42
43
45
19
15
22
9
14
23
23
0
0
0
0
0
6
6
0

Medium Clouds (% Sky Obscured)

25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
22
0
17
10
2
41
5

High Clouds (% Sky Obscured)

3
5
61
25
12
0
23
69
100
75
31
70
73
19
14
17
37
60
30
11
13
99
100
29

ISS Passover

Visibility (miles)

7
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 (%)

31
19
1
16
14
0
10
0
0
5
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)

12
16
16
16
13
10
9
9
9
8
7
6
6
5
5
4
4
3
4
3
2
1
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
6
7
6
7
6
5
4
3
2
2
2
1
1
1
0
1
3
5
7
9
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

61
61
62
65
69
74
79
85
84
88
90
91
89
89
89
89
88
79
69
60
52
48
46
45

Pressure (mb)

1020
1020
1020
1021
1022
1023
1024
1025
1026
1026
1027
1027
1027
1027
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028

Ozone (du)

369
375
373
373
375
373
373
372
370
371
373
373
372
370
370
370
370
369
370
370
370
369
368
366

Monday 6

Waning Gibbous 78%

01:56

08:51

16 Good
17 Good
18 Bad
19 Bad
20 Good
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
11 Good
12 Good
13 Good
14 Good
15 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)

12
16
61
50
11
22
29
2
1
1
0
1
0
0
0
0
0
0
0
1
1
1
1
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)

3
11
2
2
2
11
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

12
16
61
50
11
22
29
2
1
1
0
0
0
0
0
0
0
0
0
1
1
1
1
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
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
4
5
5
5
5
6
6
6
6
6
6
5
5
5
5
4
5
7
8
10
10
11
11

Chance of Frost

Temperature (°C)

13
13
13
12
11
9
8
8
7
7
6
6
5
5
5
4
5
6
9
12
13
15
16
17

Feels Like (°C)

11
11
11
10
8
6
5
4
5
4
4
4
3
3
3
2
3
5
7
9
10
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

44
45
48
59
63
62
67
69
71
71
71
70
70
68
69
69
72
66
59
54
52
49
46
44

Pressure (mb)

1027
1027
1027
1026
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025

Ozone (du)

366
366
366
367
367
366
367
367
366
366
365
366
367
368
368
370
372
372
373
374
374
374
374
375

Tuesday 7

Waning Gibbous 69%

02:55

09:38

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 Good
07 Good
08 Good
09 Good
10 Good
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

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)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
87
97
100
87
76

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
25
10
10
7

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
72
90
100
83
69

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
1
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)

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

Chance of Frost

Temperature (°C)

17
17
17
15
13
12
11
10
9
8
7
7
7
7
7
6
6
8
12
15
16
17
19
19

Feels Like (°C)

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

Dew Point (°C)

5
5
7
7
7
5
4
3
3
3
3
3
2
2
2
1
2
3
4
5
5
5
6
7

Relative Humidity (%)

44
44
51
55
63
61
61
62
64
69
71
71
71
71
70
70
72
67
58
52
48
45
43
44

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1025
1025
1025

Ozone (du)

375
373
371
370
369
368
367
366
365
366
366
368
368
368
367
366
366
366
365
365
365
366
368
369

Wednesday 8

Waning Gibbous 60%

03:43

10:37

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 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:57, Set: 20:24, Transit: 13:41. 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)

53
64
76
100
95
84
73
67
59
53
53
52
50
46
42
38
60
72
95
91
76
77
77
74

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
16
31
47
45
45
45
40
36
31
50
69
87
74
61
48
52
56

Medium Clouds (% Sky Obscured)

5
3
2
0
4
8
12
10
3
0
1
0
0
0
3
38
60
3
0
9
20
26
18
10

High Clouds (% Sky Obscured)

36
50
64
100
93
68
50
34
25
14
16
15
10
5
0
0
28
55
83
81
76
77
77
74

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
2

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)

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

Chance of Frost

Temperature (°C)

20
20
19
18
17
15
14
12
12
11
11
11
11
11
10
10
10
11
13
14
15
16
17
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
44
51
56
63
59
63
66
66
64
63
64
64
65
66
67
68
65
55
51
49
44
41
39

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1025
1025
1025

Ozone (du)

368
367
368
370
372
374
376
379
378
377
377
381
384
386
387
386
387
388
389
387
385
383
380
379

Thursday 9

Waning Gibbous 50%

04:19

11:45

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
11 Bad
12 Bad
13 Bad
14 OK
15 OK

Sun - Rise: 06:55, Set: 20:26, 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)

80
90
100
74
62
100
97
100
98
96
100
95
100
100
100
100
95
89
84
75
66
57
45
33

Low Clouds (% Sky Obscured)

59
49
39
27
41
53
66
72
77
82
72
58
46
28
14
0
5
11
16
11
6
0
2
4

Medium Clouds (% Sky Obscured)

0
15
33
45
47
34
28
26
27
28
31
42
45
40
40
35
0
0
0
1
2
1
0
1

High Clouds (% Sky Obscured)

80
90
100
74
62
100
97
100
98
96
100
95
100
100
100
100
86
73
59
66
66
57
45
31

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
2
0
0
0
0
5
11
15
11
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
38
39
52
57
58
64
66
66
62
60
59
59
59
58
57
62
57
52
47
44
41
39
38

Pressure (mb)

1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1027
1026
1026
1026
1026
1025
1025

Ozone (du)

377
377
378
377
375
374
374
371
369
368
367
367
366
364
363
362
361
359
358
357
356
355
355
355

Friday 10

Third Quarter 40%

04:45

13:00

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

Sun - Rise: 06:53, Set: 20:27, 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)

22
46
70
93
81
70
59
62
53
50
43
39
36
42
42
41
32
21
11
8
6
4
4
3

Low Clouds (% Sky Obscured)

5
4
2
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)

1
4
7
7
7
7
8
3
2
3
4
4
5
4
2
1
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

9
30
51
75
53
35
13
40
53
50
43
32
15
17
21
23
17
13
9
7
6
4
4
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)

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

Chance of Frost

Temperature (°C)

18
19
17
16
15
13
12
11
10
10
10
10
9
9
9
9
9
11
14
16
17
19
20
21

Feels Like (°C)

16
16
17
18
18
11
11
11
11
10
10
8
8
7
6
7
6
7
8
9
10
11
12
20

Dew Point (°C)

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

Relative Humidity (%)

38
37
45
54
66
68
71
73
73
74
74
74
73
73
75
78
81
72
67
61
56
53
49
50

Pressure (mb)

1024
1024
1023
1023
1022
1022
1022
1022
1021
1021
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1015
1014

Ozone (du)

355
355
356
356
356
357
358
360
360
361
361
364
366
368
371
373
376
376
375
375
375
375
375
373

Saturday 11

Waning Crescent 30%

05:06

14:17

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

Sun - Rise: 06:51, Set: 20:29, 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)

3
23
43
63
49
36
24
22
20
18
19
25
31
29
27
30
39
49
59
76
88
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
9
14
15
24

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

High Clouds (% Sky Obscured)

3
20
39
57
48
36
24
21
18
16
19
25
31
29
27
30
39
49
38
56
76
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

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
0
0
0
2
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
20
18
17
15
14
12
12
12
11
11
10
10
10
10
10
12
13
15
15
16

Feels Like (°C)

20
19
20
21
20
14
14
14
14
14
13
10
9
9
10
9
10
10
11
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

51
53
60
68
74
77
79
81
84
86
88
88
88
88
88
90
91
89
86
83
83
82

Pressure (mb)

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

Ozone (du)

371
369
366
364
361
361
361
361
362
362
362
361
361
360
359
359
359
358
357
356
356
357

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

Generated: 05/04/26 16:30:30. Forecast: 05/04/26 to 11/04/26. Timezone: UTC+2.00