Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waning Gibbous 97%

22:08

07:55

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
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good

Sun - Rise: 06:29, Set: 20:48, Transit: 13:40. Moon - Rise: 22:08, Set: 07:55. Civil Dark: 21:25 - 05:52. Nautical Dark: 22:13 - 05:04. Astro Dark: 23:08 - 04:08

Total 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

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
0
0
0

ISS Passover

Visibility (miles)

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

Chance of Frost

Temperature (°C)

23
23
24
23
23
21
20
19
17
16
14
13
13
12
11
9
9
8
9
11
13
15
17
18

Feels Like (°C)

23
23
24
23
23
21
20
19
17
16
14
13
13
12
11
8
7
7
8
11
13
15
17
18

Dew Point (°C)

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

Relative Humidity (%)

38
35
33
32
33
36
38
42
46
49
51
52
54
57
60
66
68
69
66
61
54
48
43
39

Pressure (mb)

1030
1030
1030
1029
1029
1029
1028
1028
1029
1029
1028
1028
1028
1027
1027
1026
1026
1025
1025
1025
1025
1024
1024
1023

Ozone (du)

356
354
351
348
346
344
342
342
341
341
340
339
338
337
337
336
336
335
335
335
335
335
336
337

Sunday 21

Waning Gibbous 91%

23:25

08:25

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
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Bad
12 OK
13 Good

Sun - Rise: 06:27, Set: 20:50, Transit: 13:39. Moon - Rise: 23:25, Set: 08:25. Civil Dark: 21:27 - 05:49. Nautical Dark: 22:15 - 05:02. Astro Dark: 23:11 - 04:05

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
52
31
8

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
52
31
8

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

Chance of Frost

Temperature (°C)

19
20
21
21
20
19
18
17
15
14
13
12
12
11
10
10
10
10
11
13
16
18
20
22

Feels Like (°C)

19
20
21
21
20
19
18
17
15
14
13
12
12
11
10
10
8
10
11
13
16
18
20
22

Dew Point (°C)

4
4
4
3
4
4
4
4
4
4
4
4
4
4
5
5
6
6
6
7
7
7
7
7

Relative Humidity (%)

36
34
32
32
33
36
40
44
47
51
54
56
59
64
69
73
75
75
72
65
56
49
44
40

Pressure (mb)

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

Ozone (du)

338
339
339
340
341
342
343
344
344
344
345
345
345
345
345
345
346
348
348
347
345
342
341
339

Monday 22

Waning Gibbous 84%

00:37

09:01

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

Sun - Rise: 06:25, Set: 20:52, Transit: 13:39. Moon - Rise: 00:37, Set: 09:01. Civil Dark: 21:29 - 05:47. Nautical Dark: 22:17 - 04:59. Astro Dark: 23:14 - 04:01

Total Clouds (% Sky Obscured)

0
81
97
91
53
69
83
82
89
68
37
45
70
63
77
73
60
34
2
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
81
97
91
53
69
83
82
89
68
37
45
70
63
77
73
60
34
2
2
2
2
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
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
13
14
15
15
15
16
17
18
19
19
18
17
17
17
17
17
18
18
18
18
18
18
19

Chance of Frost

Temperature (°C)

23
24
24
24
24
23
21
20
19
17
16
15
15
14
13
12
12
11
11
12
14
16
18
20

Feels Like (°C)

23
24
24
24
24
23
21
20
19
17
16
15
15
14
13
12
12
11
11
12
14
16
18
20

Dew Point (°C)

7
7
6
6
6
7
7
7
6
6
5
5
4
4
4
4
3
3
3
4
5
5
6
7

Relative Humidity (%)

36
34
32
32
33
36
39
41
44
47
48
49
50
51
54
56
57
59
58
56
53
49
46
43

Pressure (mb)

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

Ozone (du)

337
337
337
337
338
338
339
339
340
340
339
338
338
338
338
338
340
342
343
345
346
348
349
350

Tuesday 23

Waning Gibbous 76%

01:42

09:45

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

Sun - Rise: 06:23, Set: 20:53, Transit: 13:39. Moon - Rise: 01:42, Set: 09:45. Civil Dark: 21:31 - 05:45. Nautical Dark: 22:19 - 04:56. Astro Dark: 23:17 - 03:57

Total Clouds (% Sky Obscured)

37
37
37
37
37
37
0
0
0
0
0
0
5
5
5
5
5
5
95
95
95
95
95
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
3
3
3
5
5
5
5
5
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
5
5
5
5
5
5
93
93
93
93
93
93

High Clouds (% Sky Obscured)

37
37
37
37
37
37
0
0
0
0
0
0
0
0
0
0
0
0
56
56
56
56
56
56

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.06

Wind Speed/Direction (mph)

19
19
19
19
19
18
17
17
17
17
16
16
16
15
15
15
15
15
14
13
12
11
12
13

Chance of Frost

Temperature (°C)

21
21
21
21
20
19
19
18
17
16
15
14
14
13
12
12
12
12
12
13
15
17
19
22

Feels Like (°C)

21
21
21
21
20
19
19
18
17
16
15
14
14
13
12
12
12
12
12
13
15
17
19
22

Dew Point (°C)

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

Relative Humidity (%)

42
41
42
43
45
46
48
51
54
57
59
61
62
64
66
68
70
71
70
66
60
55
50
47

Pressure (mb)

1002
1002
1001
1001
1000
1000
1000
1000
1000
1000
1000
999
999
999
998
998
997
997
997
997
997
997
997
997

Ozone (du)

352
354
357
359
361
363
364
365
366
367
367
368
369
369
369
369
369
368
368
368
368
368
370
372

Wednesday 24

Waning Gibbous 67%

02:37

10:36

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:21, Set: 20:55, Transit: 13:39. Moon - Rise: 02:37, Set: 10:36. Civil Dark: 21:33 - 05:43. Nautical Dark: 22:22 - 04:53. Astro Dark: 23:20 - 03:54

Total Clouds (% Sky Obscured)

96
96
96
96
96
96
74
74
74
74
74
74
63
63
63
63
63
63
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

4
4
4
4
4
4
12
12
12
12
12
12
0
0
0
0
0
0
3
3
3
3
3
3

Medium Clouds (% Sky Obscured)

9
9
9
9
9
9
46
46
46
46
46
46
58
58
58
58
58
58
77
77
77
77
77
77

High Clouds (% Sky Obscured)

95
95
95
95
95
95
58
58
58
58
58
58
12
12
12
12
12
12
99
99
99
99
99
99

ISS Passover

Visibility (miles)

10
10
5
1
0
1
2
2
3
4
4
5
7
9
10
10
10
10
10
10
10
7
4
2

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

Precipitation Probability (%)

7
10
13
15
15
13
12
22
53
61
39
25
18
13
6
0
0
0
0
7
13
18
17
14

Precipitation Amount (mm)

0.13
0.21
0.3
0.31
0.17
0.11
0.15
0.16
0.42
0.73
0.59
0.33
0.21
0.11
0.03
0
0
0
0
0.03
0.11
0.19
0.17
0.14

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
23
22
21
19
18
16
15
13
13
12
12
11
11
11
11
11
12
13
14
15
15
15

Feels Like (°C)

23
23
23
22
21
19
18
16
15
13
13
12
12
11
11
11
11
11
12
13
14
15
15
15

Dew Point (°C)

10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
8
8
7
8
8
8
9
8

Relative Humidity (%)

45
44
45
47
50
54
60
66
72
78
80
81
82
84
86
86
83
79
76
72
69
67
65
63

Pressure (mb)

997
997
997
997
997
998
998
999
1000
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003

Ozone (du)

374
376
377
377
376
374
374
375
377
380
385
391
395
394
389
386
385
384
383
381
380
379
378
378

Thursday 25

Waning Gibbous 57%

03:22

11:33

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:19, Set: 20:57, Transit: 13:39. Moon - Rise: 03:22, Set: 11:33. Civil Dark: 21:35 - 05:40. Nautical Dark: 22:24 - 04:51. Astro Dark: 23:24 - 03:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

7
7
7
7
7
7
0
0
0
0
0
0
91
91
91
91
91
91
10
10
10
10
10
10

Medium Clouds (% Sky Obscured)

99
99
99
99
99
99
100
100
100
100
100
100
99
99
99
99
99
99
100
100
100
100
100
100

High Clouds (% Sky Obscured)

95
95
95
95
95
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

2
6
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

13
12
10
8
6
6
6
5
0
0
0
0
0
0
3
5
9
14
20
27
33
36
35
33

Precipitation Amount (mm)

0.14
0.1
0.06
0.03
0.01
0.02
0.03
0.02
0
0
0
0
0
0
0.01
0.02
0.03
0.06
0.11
0.19
0.31
0.36
0.28
0.19

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
7
7
7
7
7
6
6
6
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

61
57
54
52
53
56
60
62
64
66
67
68
69
71
73
75
77
79
80
79
78
75
72
70

Pressure (mb)

1003
1003
1003
1003
1003
1003
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1008

Ozone (du)

378
378
377
377
377
376
375
375
375
376
376
376
377
379
382
385
387
389
391
393
394
397
401
406

Friday 26

Waning Gibbous 47%

03:58

12:36

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:17, Set: 20:59, Transit: 13:38. Moon - Rise: 03:58, Set: 12:36. Civil Dark: 21:37 - 05:38. Nautical Dark: 22:26 - 04:48. Astro Dark: 23:27 - 03:46

Total Clouds (% Sky Obscured)

84
84
84
84
84
84
85
85
85
85
85
85
98
98
98
98
98
98
78
78
78
78
78
78

Low Clouds (% Sky Obscured)

12
12
12
12
12
12
2
2
2
2
2
2
95
95
95
95
95
95
2
2
2
2
2
2

Medium Clouds (% Sky Obscured)

78
78
78
78
78
78
2
2
2
2
2
2
38
38
38
38
38
38
0
0
0
0
0
0

High Clouds (% Sky Obscured)

38
38
38
38
38
38
84
84
84
84
84
84
45
45
45
45
45
45
77
77
77
77
77
77

ISS Passover

Visibility (miles)

6
6
7
8
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
4
2
2
2

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

Precipitation Probability (%)

31
28
24
25
29
33
37
33
26
20
15
14
12
9
8
0
0
22
31
42
51
60
65
66

Precipitation Amount (mm)

0.17
0.13
0.08
0.07
0.13
0.33
0.54
0.52
0.39
0.31
0.34
0.41
0.39
0.21
0.05
0
0
0.03
0.07
0.14
0.27
0.41
0.58
0.78

Wind Speed/Direction (mph)

18
18
18
18
18
18
19
18
17
17
14
15
15
14
15
17
17
17
17
18
18
19
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
63
61
61
62
66
68
70
71
72
73
74
75
76
76
76
76
76
76
77
77
77
75
75

Pressure (mb)

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

Ozone (du)

411
415
418
421
423
424
424
424
424
421
414
405
396
390
384
380
378
378
377
376
375
374
375
376

Forecast for Castricum, Castricum, NL (52.55,4.67)

Generated: 20/04/19 14:38:10. Forecast: 20/04/19 to 26/04/19. Timezone: UTC+2.00