Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 29

Waxing Gibbous 97%

18:58

05:10

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
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 06:13, Set: 21:04, Transit: 13:38. Moon - Rise: 18:58, Set: 05:10. Civil Dark: 21:43 - 05:34. Nautical Dark: 22:34 - 04:43. Astro Dark: 23:37 - 03:39

Total Clouds (% Sky Obscured)

0
0
0
0
1
2
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1

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)

0
0
0
0
1
2
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1

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)

18
16
14
14
13
14
15
16
16
17
17
18
18
18
17
16
14
13
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
64
65
64
63
62
56
52
48
44
41
39
38
37
41
45
49
53
58
62
66
69
68
67

Pressure (mb)

1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029

Ozone (du)

402
403
401
397
394
391
388
386
385
383
380
378
377
376
375
374
373
372
371
371
372
371
371
372

Thursday 30

Waxing Gibbous 99%

20:13

05:20

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
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 06:11, Set: 21:06, Transit: 13:38. Moon - Rise: 20:13, Set: 05:20. Civil Dark: 21:45 - 05:32. Nautical Dark: 22:36 - 04:40. Astro Dark: 23:41 - 03:36

Total Clouds (% Sky Obscured)

0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1

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)

0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
58
58
57
56
52
45
38
34
31
31
30
32
34
36
40
44
48
50
50
53
55
60
65

Pressure (mb)

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

Ozone (du)

373
373
373
373
373
373
372
372
373
374
375
376
377
376
376
375
375
375
375
377
379
380
380
381

Friday 1

Full Moon 100%

21:29

05:33

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
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 OK
01 OK
02 Bad

Sun - Rise: 06:09, Set: 21:07, Transit: 13:38. Moon - Rise: 21:29, Set: 05:33. Civil Dark: 21:47 - 05:29. Nautical Dark: 22:38 - 04:38. Astro Dark: 23:45 - 03:32

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
2
21
22
45

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
1
22
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
2
21
22
45

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
7

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
2
7
22
35

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
10
10
10
10
12
13
15
15
15
14
13
13
12
11
9
5
3
2
3
4
6
6
7

Chance of Frost

Temperature (°C)

10
9
9
8
9
10
12
14
16
18
19
20
21
22
22
22
21
19
17
16
15
14
14
14

Feels Like (°C)

7
7
7
6
6
7
9
10
12
14
16
17
18
19
20
20
21
20
18
16
15
14
12
11

Dew Point (°C)

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

Relative Humidity (%)

66
68
69
69
68
60
52
43
38
37
35
35
35
35
35
38
44
54
60
63
67
69
70
69

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1019
1019
1019
1018
1018

Ozone (du)

382
382
382
383
383
384
385
386
386
386
385
385
384
383
382
380
378
378
378
380
385
389
386
388

Saturday 2

Waning Gibbous 98%

22:44

05:49

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:07, Set: 21:09, Transit: 13:38. Moon - Rise: 22:44, Set: 05:49. Civil Dark: 21:49 - 05:27. Nautical Dark: 22:41 - 04:35. Astro Dark: 23:48 - 03:28

Total Clouds (% Sky Obscured)

72
100
96
92
87
85
82
79
87
94
100
100
100
100
100
100
100
100
100
100
97
93
90
93

Low Clouds (% Sky Obscured)

0
0
5
12
14
26
56
68
39
17
12
15
9
10
10
10
10
1
0
0
11
24
35
46

Medium Clouds (% Sky Obscured)

4
4
9
11
77
79
51
77
74
36
47
81
90
98
98
99
90
78
99
98
95
92
86
84

High Clouds (% Sky Obscured)

72
100
93
86
78
55
35
5
33
67
100
100
100
100
97
95
92
95
97
100
71
41
12
33

ISS Passover

Visibility (miles)

8
9
9
9
9
9
0
0
3
4
4
4
9
9
5
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
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
4
1
1
0
0
0
0
1
2
4
11
14
50
56
24
0
0
0
0
1
1
2
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
13
14
14
14
15
15
16
16
16
17
15
15
14
13
13
12
12
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
79
89
95
92
86
83
82
69
61
59
56
73
67
74
84
86
86
86
88
86
86
85
85

Pressure (mb)

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

Ozone (du)

389
384
379
377
376
375
374
375
374
378
380
382
382
378
379
379
380
379
378
377
377
376
375
374

Sunday 3

Waning Gibbous 97%

23:56

06:10

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:05, Set: 21:11, Transit: 13:38. Moon - Rise: 23:56, Set: 06:10. Civil Dark: 21:51 - 05:25. Nautical Dark: 22:43 - 04:33. Astro Dark: 23:52 - 03:23

Total Clouds (% Sky Obscured)

95
98
99
99
100
79
89
92
93
93
94
95
98
100
100
100
100
100
100
100
100
97
100
98

Low Clouds (% Sky Obscured)

60
73
74
76
78
56
41
26
32
41
51
55
57
59
51
44
36
46
56
66
71
76
80
83

Medium Clouds (% Sky Obscured)

83
81
77
74
76
76
83
87
90
91
86
79
72
62
49
33
20
20
30
35
36
36
35
28

High Clouds (% Sky Obscured)

55
77
84
92
100
70
37
13
12
9
6
38
69
100
100
100
100
100
100
100
100
97
100
98

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

Precipitation Probability (%)

11
19
25
30
35
41
48
53
44
34
34
54
48
41
52
56
52
67
79
89
82
77
70
62

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
10
9
10
10
11
11
11
11
11
12
12
13
13
13
14
13
12
13
14
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

86
87
87
87
90
89
82
70
67
66
65
66
67
70
72
74
78
80
82
84
89
89
90
91

Pressure (mb)

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

Ozone (du)

373
375
376
377
379
382
385
389
390
394
396
397
397
396
396
394
392
391
389
388
386
384
383
381

Monday 4

Waning Gibbous 95%

01:00

06:40

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:03, Set: 21:13, Transit: 13:38. Moon - Rise: 01:00, Set: 06:40. Civil Dark: 21:53 - 05:23. Nautical Dark: 22:46 - 04:30. Astro Dark: 23:56 - 03:19

Total Clouds (% Sky Obscured)

96
94
97
98
100
97
94
91
89
87
85
76
68
60
62
63
65
62
60
63
70
77
86
75

Low Clouds (% Sky Obscured)

80
78
79
79
75
78
77
76
76
76
76
70
64
60
62
63
65
62
60
55
52
54
56
52

Medium Clouds (% Sky Obscured)

18
8
23
38
52
49
54
59
57
54
48
44
44
45
45
45
45
43
44
41
32
26
21
15

High Clouds (% Sky Obscured)

96
94
95
97
100
83
67
45
30
30
25
20
5
0
0
0
0
0
0
0
5
10
15
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
7
8
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

49
3
6
6
3
3
2
0
4
6
6
34
46
55
59
57
56
46
36
28
23
18
12
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
10
10
11
11
12
13
13
14
14
14
13
13
12
12
11
10
10
10
10
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
93
91
90
83
76
70
69
67
64
72
81
92
93
95
96
96
96
95
95
95
93

Pressure (mb)

1013
1013
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011

Ozone (du)

381
380
380
380
381
381
380
380
379
379
379
379
378
378
378
378
379
379
381
382
383
384
385
386

Tuesday 5

Waning Gibbous 90%

01:51

07:22

Sun - Rise: 06:01, Set: 21:14, Transit: 13:38. Moon - Rise: 01:51, Set: 07:22. Civil Dark: 21:54 - 05:21. Nautical Dark: 22:48 - 04:27. Astro Dark: 00:00 - 03:15

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Overveen, Gemeente Bloemendaal, Netherlands (52.39,4.61)

Generated: 29/04/26 03:39:00. Forecast: 29/04/26 to 05/05/26. Timezone: UTC+2.00