Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

15:47

05:33

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

Sun - Rise: 06:24, Set: 20:52, Transit: 13:39. Moon - Rise: 15:47, Set: 05:33. Civil Dark: 21:30 - 05:47. Nautical Dark: 22:18 - 04:59. Astro Dark: 23:14 - 04:01

Total Clouds (% Sky Obscured)

58
11
2
1
25
8
0
5
41
2
0
5
48
81
84
43
39
65
88
78
80
63
70
63

Low Clouds (% Sky Obscured)

41
9
2
1
0
0
0
0
0
0
0
3
38
64
52
39
31
56
80
75
75
60
55
38

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)

19
2
0
0
24
8
0
5
41
2
0
2
19
48
68
6
11
20
20
6
25
6
31
48

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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 (%)

1
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)

0.01
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
12
12
11
10
9
8
7
6
5
5
5
5
5
6
6
7
7
8
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
10
7
6
5
4
3
3
3
3
2
2
2
2
2
3
5
6
8
10
11
11
12

Dew Point (°C)

3
3
3
3
2
2
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4

Relative Humidity (%)

59
60
61
63
65
70
76
83
87
90
92
94
94
95
98
98
92
84
75
70
66
64
61
59

Pressure (mb)

1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1029

Ozone (du)

365
369
369
362
357
359
359
359
358
359
360
358
353
347
342
341
341
344
344
341
341
341
340
339

Friday 23

Waxing Gibbous 85%

No Rise

05:51

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

Sun - Rise: 06:22, Set: 20:54, Transit: 13:39. Moon - Rise: No Rise, Set: 05:51. Civil Dark: 21:32 - 05:44. Nautical Dark: 22:20 - 04:56. Astro Dark: 23:18 - 03:57

Total Clouds (% Sky Obscured)

59
45
31
12
2
8
0
0
6
72
81
77
86
99
100
100
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

41
18
30
10
2
0
0
0
0
0
1
2
2
56
47
38
68
62
61
92
85
85
81
71

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
3
2
6
26
20
39
39
22
6
4
19
0
0

High Clouds (% Sky Obscured)

36
35
2
2
0
8
0
0
6
72
81
76
86
98
100
100
100
100
100
100
97
99
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
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
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
11
10
6
4
3
3
2
2
2
1
1
1
1
2
4
6
7
10
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

57
56
56
56
59
66
75
82
87
90
96
99
100
100
100
100
97
89
81
75
72
69
69
64

Pressure (mb)

1029
1029
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1029
1029
1029
1028
1028

Ozone (du)

341
343
342
341
346
347
346
346
345
344
335
332
329
327
326
325
323
321
320
320
322
323
316
316

Saturday 24

Waxing Gibbous 93%

17:12

06:08

16 Bad
17 Bad
18 Bad
19 Bad
20 Good
21 Good
22 Good
23 OK
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

Sun - Rise: 06:20, Set: 20:56, Transit: 13:39. Moon - Rise: 17:12, Set: 06:08. Civil Dark: 21:34 - 05:42. Nautical Dark: 22:22 - 04:53. Astro Dark: 23:21 - 03:54

Total Clouds (% Sky Obscured)

100
100
100
66
10
0
1
25
79
92
83
88
91
90
87
93
87
87
87
87
87
87
99
99

Low Clouds (% Sky Obscured)

66
56
30
5
2
0
1
25
79
92
83
88
91
90
87
93
87
87
87
87
87
87
99
99

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)

100
100
100
65
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
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
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
12
11
6
5
4
3
2
2
2
1
1
0
0
0
1
3
5
7
10
11
12
12

Dew Point (°C)

5
5
4
3
3
3
3
3
3
3
4
4
4
4
4
4
3
4
4
4
4
4
4
4

Relative Humidity (%)

60
58
59
62
66
70
75
80
84
88
93
95
97
99
100
100
93
86
77
71
66
63
58
57

Pressure (mb)

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

Ozone (du)

318
319
320
322
319
318
320
323
325
326
326
326
329
335
340
343
356
360
362
363
362
363
361
363

Sunday 25

Waxing Gibbous 98%

18:39

06:25

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

Sun - Rise: 06:18, Set: 20:58, Transit: 13:39. Moon - Rise: 18:39, Set: 06:25. Civil Dark: 21:36 - 05:40. Nautical Dark: 22:25 - 04:51. Astro Dark: 23:24 - 03:50

Total Clouds (% Sky Obscured)

99
99
99
99
94
94
94
94
94
94
14
14
14
14
14
14
82
82
82
82
82
82
75
75

Low Clouds (% Sky Obscured)

99
99
99
99
20
20
20
20
20
20
14
14
14
14
14
14
82
82
82
82
82
82
75
75

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
1
1

High Clouds (% Sky Obscured)

1
1
1
1
93
93
93
93
93
93
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Amount (mm)

0
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
14
14
14
13
12
11
11
9
8
8
8
8
8
8
9
10
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

12
12
11
10
9
8
7
6
5
5
4
4
3
3
3
3
5
6
8
10
11
12
12
13

Feels Like (°C)

12
12
11
10
6
4
3
2
2
1
1
1
0
-0
-0
-0
1
3
5
7
11
12
12
13

Dew Point (°C)

3
3
4
3
3
3
4
4
4
4
4
4
3
3
3
3
5
5
5
5
5
5
5
4

Relative Humidity (%)

55
57
59
63
67
74
81
87
92
96
98
100
100
100
100
100
100
93
82
73
68
64
60
56

Pressure (mb)

1027
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1023
1022
1021
1021
1020
1020
1019
1019
1018

Ozone (du)

363
363
362
361
362
367
369
371
370
368
370
369
368
369
371
371
374
373
373
371
369
369
368
368

Monday 26

Waxing Gibbous 100%

20:09

06:43

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

Sun - Rise: 06:16, Set: 20:59, Transit: 13:39. Moon - Rise: 20:09, Set: 06:43. Civil Dark: 21:38 - 05:38. Nautical Dark: 22:27 - 04:48. Astro Dark: 23:28 - 03:46

Total Clouds (% Sky Obscured)

75
75
75
75
19
19
19
19
19
19
90
90
90
90
90
90
62
62
62
62
62
62
88
88

Low Clouds (% Sky Obscured)

75
75
75
75
19
19
19
19
19
19
0
0
0
0
0
0
11
11
11
11
11
11
88
88

Medium Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
0
0
73
73
73
73
73
73
59
59
59
59
59
59
2
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
87
87
87
87
87
87
0
0
0
0
0
0
2
2

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
13
12
11
10
6
6
5
4
4
3
3
2
2
3
4
5
6
10
11
12
13
14

Dew Point (°C)

4
4
5
5
5
5
5
5
5
6
5
5
5
5
6
6
6
6
6
6
6
5
5
5

Relative Humidity (%)

54
54
57
61
66
70
75
80
85
89
87
91
94
97
99
98
95
89
83
76
70
64
58
55

Pressure (mb)

1017
1016
1016
1015
1015
1015
1015
1015
1015
1014
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011

Ozone (du)

370
372
372
373
376
377
384
392
403
417
425
429
428
427
429
431
420
416
412
408
407
406
404
400

Tuesday 27

Full Moon 99%

21:42

07:06

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

Sun - Rise: 06:14, Set: 21:01, Transit: 13:38. Moon - Rise: 21:42, Set: 07:06. Civil Dark: 21:39 - 05:36. Nautical Dark: 22:29 - 04:45. Astro Dark: 23:31 - 03:43

Total Clouds (% Sky Obscured)

88
88
88
88
21
21
21
21
21
21
24
24
24
24
24
24
34
34
34
34
34
34
95
95

Low Clouds (% Sky Obscured)

88
88
88
88
16
16
16
16
16
16
9
9
9
9
9
9
33
33
33
33
33
33
95
95

Medium Clouds (% Sky Obscured)

2
2
2
2
18
18
18
18
18
18
23
23
23
23
23
23
2
2
2
2
2
2
21
21

High Clouds (% Sky Obscured)

2
2
2
2
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
2
2

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
1
1
1
1
1
2
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.02
0.02
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
13
12
12
11
6
5
4
4
3
3
3
3
3
3
4
5
6
10
11
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

53
53
57
62
66
70
72
76
81
86
92
98
100
100
100
100
100
100
92
85
80
77
75
73

Pressure (mb)

1011
1011
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1011
1010
1010
1010
1010
1010
1010
1009

Ozone (du)

395
391
390
389
390
393
397
399
399
397
395
393
392
392
395
400
403
403
401
400
398
396
395
395

Wednesday 28

Waning Gibbous 95%

23:15

07:35

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 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK

Sun - Rise: 06:12, Set: 21:03, Transit: 13:38. Moon - Rise: 23:15, Set: 07:35. Civil Dark: 21:41 - 05:33. Nautical Dark: 22:32 - 04:43. Astro Dark: 23:34 - 03:39

Total Clouds (% Sky Obscured)

95
95
95
95
61
61
61
61
61
61
59
59
59
59
59
59
23
23
23
23
23
23
39
39

Low Clouds (% Sky Obscured)

95
95
95
95
61
61
61
61
61
61
59
59
59
59
59
59
23
23
23
23
23
23
39
39

Medium Clouds (% Sky Obscured)

21
21
21
21
2
2
2
2
2
2
2
2
2
2
2
2
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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 (%)

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

Precipitation Amount (mm)

0.01
0.01
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.02
0.02
0.02
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
8
8
8
7
7
7
7
7
7
7
7
7
7
8
8
8
8
7
7
7

Relative Humidity (%)

72
73
76
79
82
86
89
92
94
96
100
100
100
100
100
100
100
100
97
92
87
83
78
74

Pressure (mb)

1009
1009
1010
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

395
394
391
388
386
387
388
389
388
387
387
388
390
392
393
394
395
396
397
397
396
394
393
392

Forecast for Overveen, Bloemendaal, NL (52.39,4.61)

Generated: 22/04/21 16:33:57. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+2.00