Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 16%

07:27

22:48

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

Sun - Rise: 06:37, Set: 18:58, Transit: 12:48. Moon - Rise: 07:27, Set: 22:48. Civil Dark: 19:30 - 06:03. Nautical Dark: 20:11 - 05:23. Astro Dark: 20:53 - 04:40

Total Clouds (% Sky Obscured)

3
11
23
26
19
31
38
35
5
0
0
0
0
0
0
13
0
4
2
4
23
28
28
0

Low Clouds (% Sky Obscured)

3
11
4
0
19
31
38
32
3
0
0
0
0
0
0
13
0
4
2
4
23
28
28
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
8
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
87
88
86
86
83
85
85
88
89
89
88
82
72
65
62
57
54
51
49
49
54
66

Pressure (mb)

1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015

Ozone (du)

365
368
369
369
369
372
374
375
376
375
376
378
379
381
382
382
382
382
383
384
385
388
390
393

Sunday 22

Waxing Crescent 26%

07:53

00:21

19 Good
20 Good
21 Good
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 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:35, Set: N/A, Transit: 12:47. Moon - Rise: 07:53, Set: 00:21. Civil Dark: 19:32 - 06:01. Nautical Dark: 20:13 - 05:20. Astro Dark: 20:55 - 04:38

Total Clouds (% Sky Obscured)

0
0
0
55
100
100
100
100
96
100
63
54
74
100
100
98
100
94
87
96
100
100
100
95

Low Clouds (% Sky Obscured)

0
0
0
23
0
0
0
0
8
33
31
22
35
66
60
54
53
31
33
42
32
22
22
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
100
100
100
83
65
50
12
10
2
29
28
50
50
17
70
50
89
66
86

High Clouds (% Sky Obscured)

0
0
0
45
100
100
100
100
79
100
0
28
43
100
100
91
100
86
71
79
100
100
99
88

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
7
7
6
4
4
5
4
4
5
4
3
6
4
6
6
7
8
8
7
7
7
7
7

Dew Point (°C)

5
5
4
4
4
4
4
4
3
4
3
4
4
5
6
6
6
6
6
6
6
5
5
5

Relative Humidity (%)

74
79
81
81
81
81
79
79
78
78
81
85
86
87
82
78
74
71
71
72
73
71
71
74

Pressure (mb)

1016
1016
1016
1016
1017
1016
1016
1017
1017
1017
1017
1018
1018
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

397
403
408
407
399
398
393
383
381
387
393
391
387
385
383
380
377
374
372
370
368
364
362
360

Monday 23

Waxing Crescent 38%

08:32

01:50

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

Sun - Rise: 06:33, Set: 19:00, Transit: 12:47. Moon - Rise: 08:32, Set: 01:50. Civil Dark: 19:34 - 05:59. Nautical Dark: 20:15 - 05:18. Astro Dark: 20:57 - 04:35

Total Clouds (% Sky Obscured)

98
98
100
100
96
98
95
100
97
100
100
76
73
67
28
96
98
100
100
100
93
98
100
100

Low Clouds (% Sky Obscured)

18
0
0
10
17
23
33
53
26
10
26
21
28
14
0
25
45
34
23
12
0
0
0
0

Medium Clouds (% Sky Obscured)

97
98
95
80
89
91
85
82
88
28
78
61
62
66
28
87
96
89
92
48
48
93
99
100

High Clouds (% Sky Obscured)

84
86
99
100
80
88
74
98
78
100
100
73
73
63
28
92
93
100
100
100
71
31
46
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
0
0
0
0
0
0
0
0
0
0
21

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)

5
5
3
1
2
3
5
7
8
9
10
12
14
15
16
17
18
20
20
21
22
23
22
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
6
5
5
4
4
4
4
4
3
3
3
4
5
5
5
5
5
6
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

77
79
79
79
82
81
81
81
81
81
81
84
82
79
77
74
73
72
70
71
66
66
70
75

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1021
1020
1019
1019
1019
1018
1018
1018
1018
1017
1017
1016
1015
1014
1013
1012
1011

Ozone (du)

358
356
354
352
352
350
349
349
347
346
345
345
344
343
343
344
344
344
345
347
352
356
362
365

Tuesday 24

Waxing Crescent 49%

09:28

03:05

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 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:30, Set: 19:02, Transit: 12:47. Moon - Rise: 09:28, Set: 03:05. Civil Dark: 19:36 - 05:56. Nautical Dark: 20:16 - 05:15. Astro Dark: 20:59 - 04:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
96
93
100
95
91
86
90
95
99
100
100
100
85
69
57
71
86
100

Low Clouds (% Sky Obscured)

0
0
5
25
43
60
59
68
100
89
82
69
70
75
79
69
59
48
47
48
49
53
59
59

Medium Clouds (% Sky Obscured)

100
100
100
100
100
29
55
50
77
92
81
72
81
89
54
100
100
100
72
16
30
71
85
100

High Clouds (% Sky Obscured)

100
52
81
48
23
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
5
7
9
9
9
7
5
9
9
9
7
8
7
7
9
8
9
9
7
6
7
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

15
69
95
79
38
27
46
66
71
64
75
85
80
77
78
70
64
59
44
46
62
61
54
45

Precipitation Amount (mm)

0
0.2
1.4
0.3
0
0
0
0.4
0.4
0.3
0.4
0.5
0.4
0.4
0.5
0.3
0.3
0.3
0
0
0.3
0.3
0.2
0

Wind Speed/Direction (mph)

22
23
23
18
17
18
19
20
22
22
20
21
22
22
22
23
23
23
23
22
21
21
21
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
8
9
8
7
6
6
5
5
2
2
1
0
0
0
1
1
1
1
2
3
3
2

Relative Humidity (%)

76
77
83
91
84
83
77
80
80
78
68
67
67
66
66
64
65
64
65
64
70
73
74
72

Pressure (mb)

1010
1009
1008
1007
1007
1006
1005
1004
1004
1003
1003
1003
1003
1003
1004
1004
1004
1005
1005
1005
1005
1006
1006
1007

Ozone (du)

366
370
372
380
386
392
403
417
422
424
428
433
437
440
443
443
443
443
440
435
438
438
444
452

Wednesday 25

First Quarter 46%

10:42

03:59

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 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:28, Set: 19:03, Transit: 12:47. Moon - Rise: 10:42, Set: 03:59. Civil Dark: 19:38 - 05:54. Nautical Dark: 20:18 - 05:13. Astro Dark: 21:02 - 04:29

Total Clouds (% Sky Obscured)

80
57
39
59
76
100
100
100
100
97
95
92
86
93
100
93
85
77
81
84
87
85
82
80

Low Clouds (% Sky Obscured)

49
36
23
37
51
67
69
69
72
72
71
70
73
73
73
74
75
76
78
80
79
76
76
76

Medium Clouds (% Sky Obscured)

80
57
32
51
52
75
80
70
65
49
44
34
3
3
10
7
8
0
5
9
12
8
5
2

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
8
8
9
9
9
9
9
9
8
8
8
9
9
9
9
9
9
9
9
9
8
8
8

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

Precipitation Probability (%)

45
39
32
35
33
44
48
54
66
66
60
55
47
46
47
51
52
49
55
55
46
47
48
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.4
0.4
0.3
0.3
0
0
0
0.2
0
0
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

19
18
18
18
18
18
19
18
19
18
19
20
19
20
21
20
21
21
21
20
20
20
19
19

Chance of Frost

Temperature (°C)

6
6
6
6
5
5
5
5
5
5
5
5
5
5
6
6
6
6
7
6
6
6
6
5

Feels Like (°C)

-2
-1
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-2
-3
-1
-1
-1
-1
-1

Dew Point (°C)

2
2
1
1
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2

Relative Humidity (%)

75
75
72
70
70
68
68
67
66
67
68
68
66
63
64
61
60
59
58
59
60
61
61
61

Pressure (mb)

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

Ozone (du)

449
449
448
445
443
441
439
440
437
432
431
429
430
419
409
398
394
389
385
384
382
381
379
376

Thursday 26

Waxing Gibbous 61%

12:07

04:36

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 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:26, Set: 19:05, Transit: 12:46. Moon - Rise: 12:07, Set: 04:36. Civil Dark: 19:39 - 05:51. Nautical Dark: 20:20 - 05:10. Astro Dark: 21:04 - 04:27

Total Clouds (% Sky Obscured)

72
67
60
70
80
90
94
96
99
87
76
62
66
70
75
80
81
83
86
87
87
90
90
92

Low Clouds (% Sky Obscured)

71
67
60
70
78
84
88
93
98
87
76
62
66
66
69
68
62
58
55
48
40
46
53
58

Medium Clouds (% Sky Obscured)

2
1
0
4
12
22
19
12
4
3
2
0
9
19
28
32
27
19
39
61
67
65
68
62

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
1
0
0
0
0
0
0
1
4
6
16
37
57
80
90
90
92

ISS Passover

Visibility (miles)

7
7
7
7
8
8
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 (%)

44
42
41
35
33
34
34
29
20
22
19
12
11
6
0
0
0
0
0
0
0
0
1
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-2
-1
-1
-1
-1
-1
-1
-0
0
0
1

Relative Humidity (%)

62
62
62
63
63
63
63
63
63
63
64
66
68
63
60
58
57
56
55
56
57
57
62
66

Pressure (mb)

1017
1017
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1025

Ozone (du)

374
371
369
367
366
366
365
363
360
358
355
351
348
346
343
341
343
344
346
345
345
345
344
343

Friday 27

Waxing Gibbous 72%

13:34

05:01

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

Sun - Rise: 06:23, Set: 19:07, Transit: 12:46. Moon - Rise: 13:34, Set: 05:01. Civil Dark: 19:41 - 05:49. Nautical Dark: 20:22 - 05:08. Astro Dark: 21:06 - 04:24

Total Clouds (% Sky Obscured)

93
96
100
99
99
99
90
79
62
70
78
85
79
74
70
65
61
56

Low Clouds (% Sky Obscured)

66
75
84
88
91
94
81
67
51
59
68
80
74
68
62
57
51
46

Medium Clouds (% Sky Obscured)

57
52
52
41
35
29
22
11
0
12
24
41
43
50
57
63
61
56

High Clouds (% Sky Obscured)

93
96
96
65
34
5
8
6
6
4
4
5
5
5
5
10
10
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
7
6
7
8
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 (%)

9
16
20
24
25
26
28
31
40
39
33
25
22
20
18
14
13
12

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)

7
7
7
6
6
6
6
5
5
4
3
2
3
5
7
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
72
72
76
79
82
87
90
93
93
93
93
90
85
82
79
77

Pressure (mb)

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

Ozone (du)

343
343
343
343
343
344
344
343
342
341
341
342
342
343
344
344
348
352

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

Generated: 21/03/26 19:18:22. Forecast: 21/03/26 to 27/03/26. Timezone: UTC+1.00