Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waning Gibbous 96%

20:48

08:12

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:50, Set: 20:36, Transit: 13:42. Moon - Rise: 20:48, Set: 08:12. Civil Dark: 21:12 - 06:14. Nautical Dark: 21:56 - 05:30. Astro Dark: 22:46 - 04:40

Total Clouds (% Sky Obscured)

96
90
86
92
95
100
100
100
100
100
99
100
100
100
99
100
100
100
100
92
82
44
85
58

Low Clouds (% Sky Obscured)

45
49
78
80
66
35
19
14
29
62
63
96
90
77
62
84
88
92
90
81
72
42
45
46

Medium Clouds (% Sky Obscured)

18
16
19
18
17
19
26
87
97
100
98
100
91
97
92
100
40
100
36
23
19
3
12
18

High Clouds (% Sky Obscured)

0
0
1
22
68
97
100
100
100
100
11
30
71
100
74
100
100
96
100
0
0
0
18
0

ISS Passover

Visibility (miles)

5
5
3
6
8
7
9
9
5
7
9
7
8
9
9
8
2
7
4
3
4
7
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
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

34
6
72
58
55
50
28
39
54
66
57
80
95
55
95
93
95
95
95
95
80
46
28
38

Precipitation Amount (mm)

1
1
0.7
0.4
0.3
0.3
0
0
0.3
0.4
0.2
0.3
0.8
0
1.1
0.4
0.8
0.7
1.3
1.1
0.6
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
18
19
19
19
19
21
21
22
20
20
20
19
18
18
18
18
18
19
19
19
19
19

Feels Like (°C)

14
15
15
16
16
16
16
17
19
19
17
18
17
16
16
16
15
15
16
16
15
16
16
15

Dew Point (°C)

15
15
16
16
15
14
13
12
14
16
16
17
17
18
17
16
17
17
17
18
18
17
17
17

Relative Humidity (%)

86
86
86
85
78
72
64
58
63
70
76
82
85
93
92
92
92
92
90
93
91
91
92
90

Pressure (mb)

1007
1007
1008
1009
1009
1009
1009
1009
1008
1008
1008
1007
1007
1006
1006
1005
1004
1003
1002
1002
1002
1002
1003
1004

Ozone (du)

324
320
315
310
307
308
306
305
303
302
303
303
306
307
308
310
310
310
305
302
300
302
302
304

Sunday 30

Waning Gibbous 91%

20:59

09:31

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:51, Set: 20:33, Transit: 13:42. Moon - Rise: 20:59, Set: 09:31. Civil Dark: 21:09 - 06:16. Nautical Dark: 21:53 - 05:32. Astro Dark: 22:43 - 04:43

Total Clouds (% Sky Obscured)

85
93
88
88
73
93
85
96
100
100
100
100
100
100
100
94
78
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
89
79
80
64
79
74
65
67
67
67
27
21
15
14
13
57
53
37
34
68
77
72
46

Medium Clouds (% Sky Obscured)

17
10
9
5
3
6
2
4
31
75
14
4
16
34
92
69
78
54
49
100
100
87
55
85

High Clouds (% Sky Obscured)

0
1
1
2
2
32
57
84
100
100
100
100
100
100
100
25
8
100
100
100
93
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

52
48
45
46
42
35
24
15
6
2
2
10
28
45
73
77
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
1.5
0.5
0.9
0.9
1.1
1.8
1.5
1.8

Wind Speed/Direction (mph)

22
20
20
18
16
16
17
17
15
14
12
11
9
8
7
7
8
9
8
10
10
13
11
15

Chance of Frost

Temperature (°C)

19
19
19
19
19
20
20
20
20
20
20
20
20
20
19
19
18
18
18
17
17
17
17
17

Feels Like (°C)

15
15
15
16
17
17
17
17
17
18
18
18
19
19
18
18
18
17
17
16
16
15
15
14

Dew Point (°C)

17
17
16
16
17
16
16
15
15
15
15
15
15
16
16
16
16
17
16
16
16
15
16
15

Relative Humidity (%)

90
88
84
84
84
81
76
72
71
71
71
70
74
78
84
85
86
92
90
92
90
89
92
90

Pressure (mb)

1005
1006
1007
1008
1009
1010
1010
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1008
1008
1007
1007
1007
1006

Ozone (du)

304
304
304
303
304
305
305
305
305
305
305
305
306
307
309
313
316
319
323
323
322
323
323
327

Monday 31

Waning Gibbous 83%

21:11

10:52

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:53, Set: 20:31, Transit: 13:41. Moon - Rise: 21:11, Set: 10:52. Civil Dark: 21:07 - 06:18. Nautical Dark: 21:51 - 05:34. Astro Dark: 22:40 - 04:45

Total Clouds (% Sky Obscured)

100
100
85
91
95
67
100
100
96
80
66
58
62
54
52
50
73
79
81
88
93
99
99
100

Low Clouds (% Sky Obscured)

86
79
45
52
66
44
76
70
64
54
39
45
45
39
34
30
57
57
39
40
39
41
38
37

Medium Clouds (% Sky Obscured)

80
78
15
16
16
8
10
10
9
10
8
11
11
10
9
8
7
7
4
2
2
2
3
8

High Clouds (% Sky Obscured)

100
100
85
89
86
67
81
71
66
67
66
23
20
12
6
1
2
40
50
65
81
96
97
98

ISS Passover

Visibility (miles)

2
3
4
3
6
9
7
9
9
9
8
7
8
9
9
8
8
7
9
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

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

Precipitation Probability (%)

95
95
95
95
82
72
82
95
95
95
95
95
91
46
49
59
51
46
48
38
29
36
29
13

Precipitation Amount (mm)

4.3
1.4
1.6
1.5
0.5
0.3
0.5
1.2
1.3
1.4
1.3
1.2
0.9
0
0.2
0.4
0.2
0
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
18
18
17
18
18
18
18
18
17
17
17
18
18
18
17
17
17
17

Feels Like (°C)

14
13
12
14
14
14
15
14
14
13
15
16
17
17
18
17
17
17
16
16
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

87
92
82
79
78
79
74
76
76
68
70
72
74
77
81
81
81
79
76
79
81
81
81
81

Pressure (mb)

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

Ozone (du)

326
328
332
332
330
329
329
332
332
332
331
329
327
325
320
315
314
314
312
312
313
314
313
312

Tuesday 1

Waning Gibbous 74%

21:27

12:17

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 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:55, Set: 20:29, Transit: 13:41. Moon - Rise: 21:27, Set: 12:17. Civil Dark: 21:04 - 06:19. Nautical Dark: 21:48 - 05:36. Astro Dark: 22:37 - 04:48

Total Clouds (% Sky Obscured)

100
98
97
95
87
76
56
67
70
70
66
59
26
25
26
29
28
26
35
25
46
58
70
73

Low Clouds (% Sky Obscured)

37
38
35
36
37
35
33
28
27
25
22
23
17
18
18
17
12
6
0
7
15
25
25
30

Medium Clouds (% Sky Obscured)

5
5
4
4
47
76
36
67
70
70
66
28
4
6
8
9
7
5
3
6
5
4
14
23

High Clouds (% Sky Obscured)

100
81
61
42
36
18
3
6
19
7
20
20
1
0
0
2
5
8
24
10
25
34
53
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
8
6
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 (%)

19
20
13
22
21
11
6
6
4
0
1
0
0
0
0
2
3
10
30
32
31
34
32
18

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

Chance of Frost

Temperature (°C)

17
17
18
18
18
19
19
19
19
19
19
18
18
17
17
16
16
16
15
15
15
14
14
14

Feels Like (°C)

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

Dew Point (°C)

14
13
13
11
11
11
11
11
11
12
12
12
12
13
13
12
12
11
12
12
11
11
11
11

Relative Humidity (%)

79
77
71
64
63
61
61
60
61
63
64
66
70
74
77
78
77
75
78
80
80
79
79
79

Pressure (mb)

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

Ozone (du)

310
310
309
310
310
311
313
314
316
317
318
318
316
317
318
318
318
319
319
318
317
318
319
319

Wednesday 2

Waning Gibbous 63%

21:48

13:44

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:56, Set: 20:26, Transit: 13:41. Moon - Rise: 21:48, Set: 13:44. Civil Dark: 21:02 - 06:21. Nautical Dark: 21:45 - 05:38. Astro Dark: 22:34 - 04:50

Total Clouds (% Sky Obscured)

92
99
100
81
100
100
99
100
100
100
100
100
100
100
100
100
91
82
72
76
80
83
81
79

Low Clouds (% Sky Obscured)

34
32
33
34
37
38
40
36
30
28
47
70
94
89
79
61
58
61
65
65
62
55
53
50

Medium Clouds (% Sky Obscured)

31
40
38
34
29
24
24
53
73
100
98
95
93
92
86
76
68
70
72
66
48
30
21
12

High Clouds (% Sky Obscured)

92
97
96
81
96
98
99
68
33
0
37
68
100
93
85
73
55
40
23
47
67
65
59
29

ISS Passover

Visibility (miles)

8
6
9
9
9
9
9
9
9
9
9
8
7
6
7
8
9
7
6
4
6
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

37
40
20
9
12
22
40
81
80
74
75
81
95
95
91
90
65
55
61
61
67
66
58
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.5
0.4
0.4
0.4
0.4
0.9
0.8
0.7
0.8
0.3
0
0.3
0.3
0.4
0.4
0.2
0.2

Wind Speed/Direction (mph)

6
6
6
8
10
12
13
15
15
15
15
16
16
17
16
17
18
19
20
20
18
17
16
15

Chance of Frost

Temperature (°C)

14
15
16
17
18
18
18
18
18
18
18
18
17
17
17
17
18
18
18
18
18
17
17
17

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
10
10
10
11
11
11
11
12
13
14
15
15
16
16
16
16
16
16
16
15

Relative Humidity (%)

80
79
73
65
59
59
60
61
63
63
64
70
77
82
83
85
88
88
88
89
89
89
90
88

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1016
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

319
319
316
316
316
315
315
313
314
314
315
315
315
314
315
315
316
316
316
316
316
315
315
315

Thursday 3

Waning Gibbous 60%

22:19

15:12

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:58, Set: 20:24, Transit: 13:40. Moon - Rise: 22:19, Set: 15:12. Civil Dark: 20:59 - 06:23. Nautical Dark: 21:43 - 05:40. Astro Dark: 22:31 - 04:52

Total Clouds (% Sky Obscured)

78
73
67
61
68
78
88
92
96
100
83
64
41
56
74
94
69
44
19
24
28
28
50
72

Low Clouds (% Sky Obscured)

48
37
26
13
12
12
13
18
25
30
34
38
41
41
41
40
40
44
19
24
28
28
27
25

Medium Clouds (% Sky Obscured)

2
1
1
0
1
2
2
6
9
11
21
31
41
52
49
50
45
41
19
24
23
19
24
18

High Clouds (% Sky Obscured)

26
43
60
61
68
73
72
80
89
99
70
41
10
35
61
89
60
31
2
0
2
5
31
57

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

58
46
37
26
18
13
11
18
24
27
30
49
67
78
89
95
89
95
95
92
66
51
41
31

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.6
0.9
0.6
0.9
1.1
0.6
0.3
0.3
0
0

Wind Speed/Direction (mph)

14
14
14
15
16
16
18
18
18
18
18
20
20
21
20
19
18
18
18
19
19
20
21
20

Chance of Frost

Temperature (°C)

17
17
18
18
18
19
19
19
19
19
19
19
18
18
18
17
17
17
17
17
18
18
19
19

Feels Like (°C)

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

Dew Point (°C)

15
15
14
14
13
13
12
11
12
12
12
12
12
13
13
13
13
11
11
10
10
11
11
11

Relative Humidity (%)

88
86
81
76
71
68
64
61
62
62
63
66
69
72
73
73
74
69
66
63
62
62
62
62

Pressure (mb)

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

Ozone (du)

315
315
316
317
318
318
319
319
321
322
324
325
326
327
328
330
332
333
334
336
335
335
334
335

Friday 4

Third Quarter 51%

23:05

16:32

Sun - Rise: N/A, Set: 20:22, Transit: 13:40. Moon - Rise: 23:05, Set: 16:32. Civil Dark: 20:57 - 06:25. Nautical Dark: 21:40 - 05:42. Astro Dark: 22:27 - 04:55

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: 29/08/26 06:58:12. Forecast: 29/08/26 to 04/09/26. Timezone: UTC+2.00