Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 26

Waxing Gibbous 78%

15:09

04:39

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

Sun - Rise: 06:19, Set: 20:59, Transit: 13:39. Moon - Rise: 15:09, Set: 04:39. Civil Dark: 21:37 - 05:40. Nautical Dark: 22:26 - 04:51. Astro Dark: 23:27 - 03:51

Total Clouds (% Sky Obscured)

33
39
46
98
99
81
72
76
65
59
57
60
49
20
60
91
47
84
90
100
94
93
93
100

Low Clouds (% Sky Obscured)

33
39
46
59
70
52
53
76
65
59
51
21
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
25
36
26
50
4
1
0
0
0
12
1
19
30
12
36
26
100
94
90
93
100

High Clouds (% Sky Obscured)

7
12
46
93
91
27
15
12
0
2
17
49
29
20
31
79
35
52
69
100
75
80
77
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
88
86
81
70
62
55
50
46
44
44
44
45
48
55
65
70
71
75
76
78
79

Pressure (mb)

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

Ozone (du)

363
364
366
369
374
375
376
377
382
385
383
379
375
370
368
366
365
367
370
368
367
368
369
372

Monday 27

Waxing Gibbous 86%

16:27

04:50

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: 06:17, Set: 21:01, Transit: 13:39. Moon - Rise: 16:27, Set: 04:50. Civil Dark: 21:39 - 05:38. Nautical Dark: 22:29 - 04:48. Astro Dark: 23:30 - 03:47

Total Clouds (% Sky Obscured)

93
94
97
100
100
100
53
67
86
96
96
100
100
100
100
100
100
100
90
99
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
19
20
60
64
56
54
56

Medium Clouds (% Sky Obscured)

92
94
97
100
97
100
53
53
86
96
96
100
100
93
100
100
98
86
88
89
90
90
88
100

High Clouds (% Sky Obscured)

80
45
77
100
100
15
10
0
0
0
0
82
100
99
100
100
100
95
4
92
100
100
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
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
1
3
5
8
11
12
10
12
13
25
40

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

Chance of Frost

Temperature (°C)

6
6
6
6
6
7
9
10
12
14
14
15
15
15
14
14
12
11
9
9
9
9
8
8

Feels Like (°C)

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

Dew Point (°C)

3
3
3
2
2
3
3
3
2
2
1
1
1
1
1
1
2
5
6
6
6
6
5
5

Relative Humidity (%)

81
82
80
78
76
73
65
58
50
44
40
38
37
38
39
40
50
66
77
82
82
81
79
78

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

370
370
370
368
373
377
376
376
377
380
382
385
389
392
397
404
406
410
415
417
416
417
421
426

Tuesday 28

Waxing Gibbous 92%

17:42

05:00

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Good
12 OK
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: 06:15, Set: 21:02, Transit: 13:39. Moon - Rise: 17:42, Set: 05:00. Civil Dark: 21:41 - 05:36. Nautical Dark: 22:31 - 04:46. Astro Dark: 23:34 - 03:43

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
67
9
30
1
2
2
2
3
2
2
1
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

61
72
77
55
21
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
92
96
100
88
99
94
38
9
17
1
2
2
2
3
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
91
95
100
99
100
100
21
1
2
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 (%)

34
9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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)

9
9
10
10
11
11
13
14
14
14
15
15
15
15
15
15
15
14
14
15
14
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
68
61
61
66
71
73
67
62
57
54
51
47
47
48
52
54
58
67
73
69
70
68
63

Pressure (mb)

1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1023
1023
1023
1024
1024
1025
1025
1025

Ozone (du)

430
432
431
429
425
422
420
419
418
415
414
414
411
407
403
399
396
396
397
399
400
402
404
405

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

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
0
0
0
0
1
1
2
1
1
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
11
11
12
13
13
14
15
16
16
16
17
18
18
17
16
15
14
13
13
14
14
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
67
68
69
70
65
59
54
52
49
44
38
36
36
39
44
47
51
55
58
58
57
59
57

Pressure (mb)

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

Ozone (du)

405
403
400
395
391
391
390
390
389
388
389
389
389
389
388
386
384
383
382
382
382
381
381
381

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)

1
2
2
2
2
2
2
1
1
1
1
0
0
0
0
0
0
0
0
0
0
3
7
13

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
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 (%)

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)

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

Chance of Frost

Temperature (°C)

9
8
8
8
8
9
10
12
14
16
17
18
18
19
19
19
18
17
16
15
14
13
12
11

Feels Like (°C)

5
4
3
3
4
5
6
6
9
11
11
12
13
14
13
14
14
15
12
12
12
12
11
11

Dew Point (°C)

0
-1
-1
-1
-1
-1
-1
-0
-0
0
0
2
3
4
5
6
6
7
6
6
5
5
6
6

Relative Humidity (%)

55
54
54
52
52
51
48
43
38
34
32
34
34
36
38
42
46
51
53
55
57
60
64
68

Pressure (mb)

1027
1027
1027
1027
1027
1028
1028
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1023
1023
1024
1024
1024
1024
1024

Ozone (du)

381
381
380
379
379
378
378
378
379
379
379
380
380
379
379
380
380
381
381
381
381
380
379
378

Friday 1

Full Moon 100%

21:29

05:33

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

15
16
15
17
20
20
20
25
17
13
10
8
9
10
15
17
24
35
47
64
76
88
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
5
11
17
19
25
39
52
52

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
1
8
9
10
15
17
24
35
47
64
72
79
85
84

High Clouds (% Sky Obscured)

6
16
15
17
20
20
20
25
17
13
10
8
3
0
0
0
0
4
8
11
44
72
98
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
2
1
0

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
58
91
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9
1.3
1.1
1
1.1
0.8

Wind Speed/Direction (mph)

9
9
9
10
10
11
12
13
14
14
13
13
12
11
11
8
6
4
4
4
4
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
8
7
7
7
8
8
8
9
10
10
17
17
17
17
17
17
15
15
16
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

69
71
73
71
68
65
56
49
42
39
37
34
38
42
46
51
57
63
72
83
96
96
98
100

Pressure (mb)

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

Ozone (du)

378
378
378
378
377
376
376
375
375
374
373
372
372
371
371
370
369
368
368
367
367
369
370
372

Saturday 2

Waning Gibbous 98%

22:44

05:49

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)

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: 26/04/26 02:44:38. Forecast: 26/04/26 to 02/05/26. Timezone: UTC+2.00