Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waning Gibbous 75%

02:43

09:00

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

Sun - Rise: 06:05, Set: 20:58, Transit: 13:32. Moon - Rise: 02:43, Set: 09:00. Civil Dark: 21:37 - 05:26. Nautical Dark: 22:27 - 04:35. Astro Dark: 23:31 - 03:30

Total Clouds (% Sky Obscured)

88
85
79
70
41
41
78
80
59
40
45
12
40
3
12
27
28
82
53
85
75
60
91
98

Low Clouds (% Sky Obscured)

52
53
58
58
51
60
47
50
22
0
0
0
0
0
1
22
29
41
36
39
23
44
40
39

Medium Clouds (% Sky Obscured)

25
0
0
34
21
0
12
45
45
50
12
9
2
2
2
18
8
3
17
0
42
49
77
76

High Clouds (% Sky Obscured)

0
0
0
0
0
0
85
85
85
85
80
18
75
0
20
4
12
85
6
85
30
36
85
90

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
6
1
4
1
1
0
0
0
0
3
0
0
0
0
0
0
0
0
23
26
24

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)

19
19
18
19
19
18
16
13
12
10
8
7
6
5
5
5
5
5
5
6
7
8
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
62
63
64
65
66
69
71
73
74
75
78
84
88
90
91
93
91
87
79
74
67
64
57

Pressure (mb)

1006
1007
1007
1008
1009
1011
1012
1013
1014
1015
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019

Ozone (du)

440
437
434
442
441
435
427
425
423
421
419
420
423
424
425
425
425
422
423
425
427
427
424
422

Monday 29

Waning Gibbous 64%

03:26

10:17

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:03, Set: 20:59, Transit: 13:32. Moon - Rise: 03:26, Set: 10:17. Civil Dark: 21:39 - 05:24. Nautical Dark: 22:30 - 04:32. Astro Dark: 23:35 - 03:26

Total Clouds (% Sky Obscured)

98
70
75
70
65
98
99
100
100
100
100
100
93
75
86
93
97
92
92
100
100
100
100
95

Low Clouds (% Sky Obscured)

10
13
18
4
4
27
28
0
21
33
25
23
22
1
1
25
47
16
1
1
2
18
5
30

Medium Clouds (% Sky Obscured)

46
60
47
14
65
89
67
100
100
95
100
87
56
78
86
79
91
64
52
100
100
86
60
90

High Clouds (% Sky Obscured)

85
87
69
91
71
82
99
100
99
100
100
100
58
38
41
84
92
90
88
85
80
83
97
73

ISS Passover

Visibility (miles)

9
8
9
9
9
9
6
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 (%)

33
39
28
13
15
27
1
0
0
0
0
0
0
0
1
1
0
0
0
1
3
1
1
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)

11
11
10
8
7
5
4
4
4
4
4
5
5
5
4
6
5
5
6
7
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
15
16
16
16
14
13
12
10
10
10
10
10
10
9
9
10
11
12
13
15
15
17

Dew Point (°C)

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

Relative Humidity (%)

53
58
62
60
62
68
77
80
82
83
86
89
90
92
91
90
91
87
84
79
74
69
64
60

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016

Ozone (du)

421
424
422
416
417
415
411
414
413
411
410
410
414
410
401
398
399
400
398
395
392
391
390
387

Tuesday 30

Waning Gibbous 53%

03:56

11:44

14 OK
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
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:02, Set: 21:01, Transit: 13:32. Moon - Rise: 03:56, Set: 11:44. Civil Dark: 21:41 - 05:22. Nautical Dark: 22:32 - 04:30. Astro Dark: 23:38 - 03:22

Total Clouds (% Sky Obscured)

34
51
87
44
56
70
89
86
100
100
100
100
100
91
100
100
100
73
80
84
88
85
81
81

Low Clouds (% Sky Obscured)

2
1
9
7
6
2
2
1
10
7
2
33
39
38
34
40
60
58
47
63
63
55
39
35

Medium Clouds (% Sky Obscured)

25
21
24
42
34
48
32
36
54
44
54
49
45
51
47
34
60
43
42
15
2
2
0
0

High Clouds (% Sky Obscured)

9
38
72
6
26
57
88
90
100
100
100
100
100
88
100
99
100
60
61
62
62
62
61
60

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
3
9
9
9
9
4
2
4
9
3
9
9
5
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
Light Rain
Very Light Rain
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
2
26
36
25
61
46
36
18
38
71
79
79
57
84
77
28
38
21
1
1
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.3
0.2
0
0
0.4
0.5
0.5
0
0.7
0.6
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
22
22
21
21
19
17
16
15
15
15
14
14
14
14
13
14
15
16
17
19
20
21

Feels Like (°C)

17
20
20
20
22
22
19
17
16
15
15
14
13
14
14
13
13
14
14
16
18
20
21
22

Dew Point (°C)

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

Relative Humidity (%)

59
55
54
58
62
70
80
90
92
93
93
95
95
96
96
98
98
96
96
92
88
84
77
71

Pressure (mb)

1016
1015
1015
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1009
1009

Ozone (du)

387
390
390
392
390
388
389
388
388
386
385
385
384
383
383
381
383
383
382
382
384
384
384
383

Wednesday 1

Third Quarter 41%

04:16

13:15

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 Good
05 Good
06 Good
07 OK
08 Bad
09 OK
10 OK
11 Good
12 OK
13 Bad

Sun - Rise: 06:00, Set: 21:03, Transit: 13:32. Moon - Rise: 04:16, Set: 13:15. Civil Dark: 21:42 - 05:20. Nautical Dark: 22:35 - 04:27. Astro Dark: 23:42 - 03:18

Total Clouds (% Sky Obscured)

79
70
65
61
58
56
55
44
46
17
41
33
55
41
12
13
13
25
44
37
35
15
31
44

Low Clouds (% Sky Obscured)

33
29
17
7
5
0
0
1
5
5
5
4
1
1
1
0
1
1
1
1
0
9
23
33

Medium Clouds (% Sky Obscured)

0
6
45
25
37
40
38
32
36
2
3
5
42
33
3
2
2
2
2
2
1
5
11
16

High Clouds (% Sky Obscured)

60
66
61
52
29
35
19
7
16
6
37
27
55
5
5
9
8
24
62
61
65
4
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
3
7
7
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
Light Rain
None
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
23
10
15
41
44
62
36
11
82
56
9
6
6
1
0
0
1
3
2
0
0
0
27

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0
0
1.1
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
22
22
21
20
19
17
16
15
15
15
15
15
14
14
14
14
15
16
18
20
21
23

Feels Like (°C)

22
23
23
22
22
20
19
17
17
15
16
16
16
14
14
14
15
15
15
15
17
20
23
24

Dew Point (°C)

15
16
16
16
16
17
17
17
16
15
15
15
15
14
14
13
13
14
14
14
15
16
16
16

Relative Humidity (%)

67
67
66
68
70
81
89
96
98
98
98
96
96
95
95
95
95
95
92
85
81
77
72
66

Pressure (mb)

1009
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

383
384
383
384
382
381
379
377
377
375
375
376
376
375
374
373
373
373
373
371
371
372
371
370

Thursday 2

Waning Crescent 30%

04:31

No Set

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:58, Set: 21:05, Transit: 13:32. Moon - Rise: 04:31, Set: No Set. Civil Dark: 21:44 - 05:18. Nautical Dark: 22:37 - 04:24. Astro Dark: 23:46 - 03:14

Total Clouds (% Sky Obscured)

59
78
65
79
76
72
77
87
100
100
100
100
100
100
100
100
99
99
96
90
75
66
42
34

Low Clouds (% Sky Obscured)

45
58
53
48
43
34
24
10
2
0
0
0
0
3
0
0
0
5
5
10
10
10
10
15

Medium Clouds (% Sky Obscured)

15
16
16
15
22
29
39
41
45
46
50
48
54
59
60
64
64
63
69
69
69
67
65
62

High Clouds (% Sky Obscured)

3
8
3
39
15
60
77
87
100
100
84
96
96
97
96
92
87
81
59
38
17
26
39
53

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

69
56
61
69
67
54
50
68
70
68
24
5
10
9
6
21
26
28
36
42
48
47
48
52

Precipitation Amount (mm)

0.5
0.2
0.3
0
0.2
0
0
0.3
0.5
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
24
24
24
22
21
19
18
16
15
15
14
14
14
14
13
13
14
14
15
16
18
19
20

Feels Like (°C)

25
24
23
23
21
19
17
16
14
13
14
13
13
12
12
11
11
12
12
14
15
16
18
19

Dew Point (°C)

17
18
19
20
19
18
17
16
15
14
14
14
14
13
13
13
13
13
13
14
16
17
18
19

Relative Humidity (%)

63
70
73
78
83
86
86
88
93
95
95
96
96
96
95
95
95
95
95
93
95
93
95
95

Pressure (mb)

1005
1005
1005
1005
1005
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

370
370
370
370
370
369
367
367
369
372
371
371
370
369
368
367
367
367
367
367
367
366
366
366

Friday 3

Waning Crescent 19%

04:44

14:45

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

Sun - Rise: 05:56, Set: 21:06, Transit: 13:32. Moon - Rise: 04:44, Set: 14:45. Civil Dark: 21:46 - 05:16. Nautical Dark: 22:40 - 04:22. Astro Dark: 23:50 - 03:10

Total Clouds (% Sky Obscured)

51
72
95
97
98
100
76
53
29
49
69
86
64
44
34
39
48
36
30
23
18
23
26
30

Low Clouds (% Sky Obscured)

10
15
15
20
25
25
19
18
13
9
5
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

58
53
45
31
16
3
2
2
1
1
0
0
1
1
2
8
13
16
16
18
21
21
21
25

High Clouds (% Sky Obscured)

66
77
91
91
91
93
72
50
28
38
50
63
58
53
48
41
32
23
18
10
1
1
2
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 (%)

46
38
25
25
20
6
8
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
19
18
17
16
15
13
13
11
11
11
11
8
9
8
7
7
6
11
11
12
13
14

Dew Point (°C)

20
20
20
20
19
17
17
15
13
12
11
11
10
9
9
8
8
9
9
9
9
9
9
9

Relative Humidity (%)

95
95
94
94
93
93
92
90
90
90
90
90
92
90
90
90
88
87
87
76
67
60
55
51

Pressure (mb)

1008
1008
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013

Ozone (du)

365
366
366
366
366
367
368
369
371
373
374
375
376
378
381
383
385
387
390
388
387
385
383
380

Saturday 4

Waning Crescent 11%

04:55

16:14

14 OK
15 OK
16 Bad
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 OK
07 OK

Sun - Rise: 05:54, Set: 21:08, Transit: 13:32. Moon - Rise: 04:55, Set: 16:14. Civil Dark: 21:48 - 05:13. Nautical Dark: 22:42 - 04:19. Astro Dark: 23:54 - 03:05

Total Clouds (% Sky Obscured)

38
41
48
71
74
68
61
57
47
61
76
85
85
80
70
55
35
25

Low Clouds (% Sky Obscured)

5
10
14
17
20
22
15
10
2
6
9
11
11
15
25
26
26
31

Medium Clouds (% Sky Obscured)

19
10
1
1
2
2
2
3
3
5
7
10
17
24
35
29
20
11

High Clouds (% Sky Obscured)

3
4
4
14
25
35
36
37
38
52
69
85
85
85
80
70
75
75

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

3
5
3
4
4
3
6
5
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
20
19
19
18
18
18
15
15
15
14
13
12
11
11
11
10
9

Dew Point (°C)

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

Relative Humidity (%)

47
50
54
58
62
67
73
75
78
79
79
78
75
77
80
81
83
81

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

377
373
370
366
362
358
354
354
354
353
354
355
355
356
356
357
356
355

Forecast for Frankhuis, Gemeente Zwolle, Netherlands (52.52,6.08)

Generated: 28/04/24 14:53:09. Forecast: 28/04/24 to 04/05/24. Timezone: UTC+2.00