Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 57%

03:18

11:39

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 Good
06 Bad
07 Bad
08 Bad
09 OK
10 Good
11 OK

Sun - Rise: 06:22, Set: 20:55, Transit: 13:39. Moon - Rise: 03:18, Set: 11:39. Civil Dark: 21:32 - 05:45. Nautical Dark: 22:19 - 04:57. Astro Dark: 23:16 - 04:00

Total Clouds (% Sky Obscured)

71
97
99
100
98
98
100
100
100
100
100
100
98
100
100
100
95
2
52
99
100
40
11
20

Low Clouds (% Sky Obscured)

59
27
20
1
83
7
10
35
0
0
2
1
2
1
2
16
29
1
2
1
1
2
10
17

Medium Clouds (% Sky Obscured)

44
50
99
99
88
98
99
100
100
77
99
100
44
40
4
93
93
2
46
96
81
6
0
9

High Clouds (% Sky Obscured)

2
95
80
99
91
0
100
100
100
100
99
100
94
100
100
100
47
0
11
90
99
38
0
0

ISS Passover

Visibility (miles)

10
10
10
4
1
2
5
6
7
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

Precipitation Type

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

Precipitation Probability (%)

4
7
8
40
60
61
55
42
27
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0.01
0.01
0.63
0.84
0.77
0.46
0.23
0.04
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
20
20
14
14
15
10
10
8
7
6
7
7
7
7
6
6
6
7
8
8
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
17
17
14
13
13
13
14
14
12
11
11
11
11
11
9
8
7
7
7
7
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

65
59
59
75
83
85
88
78
78
83
83
79
77
78
80
83
87
89
91
91
88
81
74
68

Pressure (mb)

1004
1004
1004
1004
1005
1005
1006
1006
1006
1007
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1011
1011
1012
1012

Ozone (du)

385
387
389
378
377
377
378
378
379
375
375
376
378
381
383
384
384
384
386
387
389
390
392
393

Friday 26

Waning Gibbous 47%

03:54

No Set

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

Sun - Rise: 06:20, Set: 20:56, Transit: 13:39. Moon - Rise: 03:54, Set: No Set. Civil Dark: 21:34 - 05:42. Nautical Dark: 22:21 - 04:54. Astro Dark: 23:19 - 03:56

Total Clouds (% Sky Obscured)

13
17
23
17
21
36
37
19
27
48
34
6
5
4
59
15
64
100
100
100
99
99
90
45

Low Clouds (% Sky Obscured)

12
13
15
12
15
28
20
6
9
16
14
0
1
1
1
11
26
100
45
67
96
88
2
21

Medium Clouds (% Sky Obscured)

9
11
18
9
12
20
25
16
25
45
31
6
5
1
1
10
51
99
100
100
99
98
90
37

High Clouds (% Sky Obscured)

0
0
0
1
1
0
13
5
0
0
0
0
0
3
59
0
41
76
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
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
4
5
4
0
0
0
0
0
0
0
0
4
14
29
38
41
58
57
36
9

Precipitation Amount (mm)

0
0
0
0
0.01
0.02
0.01
0
0
0
0
0
0
0
0
0.03
0.12
0.19
0.17
0.14
0.49
0.77
0.62
0.04

Wind Speed/Direction (mph)

11
12
12
12
11
10
10
10
10
9
8
8
8
9
10
10
11
12
12
14
15
17
18
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
16
17
17
17
17
17
16
15
13
12
11
11
10
7
7
7
6
6
6
6
10
12

Dew Point (°C)

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

Relative Humidity (%)

62
58
55
52
51
50
52
54
57
63
69
73
74
74
75
76
76
78
81
84
85
80
71
62

Pressure (mb)

1012
1012
1013
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1010

Ozone (du)

391
389
387
387
389
391
394
397
398
392
384
378
375
374
373
371
370
370
369
369
371
377
385
389

Saturday 27

Third Quarter 37%

04:24

12:40

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:18, Set: 20:58, Transit: 13:39. Moon - Rise: 04:24, Set: 12:40. Civil Dark: 21:36 - 05:40. Nautical Dark: 22:24 - 04:52. Astro Dark: 23:22 - 03:53

Total Clouds (% Sky Obscured)

94
84
70
70
86
95
91
95
98
97
94
86
85
99
99
99
93
95
100
99
98
98
98
98

Low Clouds (% Sky Obscured)

26
82
29
26
34
93
42
52
77
38
44
71
40
97
73
85
41
88
99
95
94
94
94
94

Medium Clouds (% Sky Obscured)

93
42
63
66
77
16
84
90
95
92
83
51
75
91
96
98
84
69
93
83
56
56
56
56

High Clouds (% Sky Obscured)

0
0
12
34
71
37
74
74
57
85
86
45
38
77
97
95
80
72
80
75
79
79
79
79

ISS Passover

Visibility (miles)

9
10
10
10
10
10
10
6
4
6
10
10
10
10
10
10
10
10
10
9
8
5
3
1

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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 (%)

7
8
13
11
18
20
18
15
14
14
14
14
12
12
12
12
13
16
22
26
27
26
28
30

Precipitation Amount (mm)

0.03
0.08
0.16
0.1
0.23
0.2
0.17
0.11
0.1
0.11
0.12
0.13
0.11
0.07
0.05
0.05
0.06
0.07
0.08
0.09
0.11
0.13
0.17
0.21

Wind Speed/Direction (mph)

22
22
23
24
24
22
21
19
18
16
14
13
13
11
10
11
12
12
12
12
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
54
53
53
56
58
59
59
60
64
67
69
69
70
71
72
75
78
80
80
79
77
77
76

Pressure (mb)

1010
1010
1009
1009
1009
1010
1010
1010
1010
1011
1011
1012
1012
1012
1012
1013
1013
1014
1015
1015
1016
1017
1017
1017

Ozone (du)

388
383
380
381
383
385
387
388
388
389
389
389
386
383
381
380
381
381
380
379
377
375
373
372

Sunday 28

Waning Crescent 28%

04:49

13:44

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 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 06:16, Set: 21:00, Transit: 13:39. Moon - Rise: 04:49, Set: 13:44. Civil Dark: 21:37 - 05:38. Nautical Dark: 22:26 - 04:49. Astro Dark: 23:25 - 03:49

Total Clouds (% Sky Obscured)

98
98
68
68
68
68
68
68
63
63
63
63
63
63
33
33
33
33
33
33
1
1
1
1

Low Clouds (% Sky Obscured)

94
94
59
59
59
59
59
59
18
18
18
18
18
18
30
30
30
30
30
30
0
0
0
0

Medium Clouds (% Sky Obscured)

56
56
13
13
13
13
13
13
56
56
56
56
56
56
22
22
22
22
22
22
1
1
1
1

High Clouds (% Sky Obscured)

79
79
23
23
23
23
23
23
25
25
25
25
25
25
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
4
5
4
3
2
1
0
1
5
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

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

Precipitation Probability (%)

30
34
42
53
52
51
48
44
41
34
24
14
8
3
2
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.21
0.29
0.5
0.36
0.36
0.36
0.35
0.35
0.3
0.2
0.09
0.04
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
78
85
83
82
82
81
80
80
82
83
84
84
85
86
88
88
88
88
85
81
75
70

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022

Ozone (du)

371
370
370
369
369
368
366
364
363
364
365
366
365
362
360
359
358
357
357
357
358
359
362
364

Monday 29

Waning Crescent 20%

05:11

14:50

12 Good
13 Good
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

Sun - Rise: 06:14, Set: 21:01, Transit: 13:39. Moon - Rise: 05:11, Set: 14:50. Civil Dark: 21:39 - 05:36. Nautical Dark: 22:28 - 04:47. Astro Dark: 23:28 - 03:46

Total Clouds (% Sky Obscured)

1
1
100
100
100
100
100
100
98
98
98
98
98
98
84
84
84
84
84
84
98
98
98
98

Low Clouds (% Sky Obscured)

0
0
100
100
100
100
100
100
9
9
9
9
9
9
27
27
27
27
27
27
0
0
0
0

Medium Clouds (% Sky Obscured)

1
1
89
89
89
89
89
89
22
22
22
22
22
22
79
79
79
79
79
79
95
95
95
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
97
97
97
97
97
97
0
0
0
0
0
0
61
61
61
61

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
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.02
0.04
0.02
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
13
14
15
15
16
16
16
15
14
13
12
11
10
9
8
7
7
7
7
9
10
13
14

Feels Like (°C)

12
13
14
15
15
16
16
16
15
14
13
12
11
8
7
6
5
5
5
6
7
10
13
14

Dew Point (°C)

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

Relative Humidity (%)

66
61
57
54
51
50
51
53
55
56
59
61
65
69
74
78
82
85
84
80
75
70
64
60

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

367
371
373
374
374
374
373
372
371
369
367
365
366
367
368
368
368
367
366
365
364
363
363
363

Tuesday 30

Waning Crescent 13%

05:30

15:56

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

Sun - Rise: 06:12, Set: 21:03, Transit: 13:39. Moon - Rise: 05:30, Set: 15:56. Civil Dark: 21:41 - 05:34. Nautical Dark: 22:30 - 04:44. Astro Dark: 23:31 - 03:42

Total Clouds (% Sky Obscured)

98
98
100
100
100
100
100
100
2
2
2
2
2
2
3
3
3
3
3
3
82
82
82
82

Low Clouds (% Sky Obscured)

0
0
100
100
100
100
100
100
2
2
2
2
2
2
3
3
3
3
3
3
82
82
82
82

Medium Clouds (% Sky Obscured)

95
95
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

61
61
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
17
18
19
19
19
18
18
16
14
13
12
11
10
8
7
7
7
8
11
13
15
16

Dew Point (°C)

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

Relative Humidity (%)

56
52
50
46
44
42
44
46
49
51
55
59
63
69
73
77
79
80
79
75
69
64
59
55

Pressure (mb)

1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017

Ozone (du)

363
363
362
362
361
361
361
362
362
364
366
366
366
364
362
361
360
359
358
356
355
354
354
353

Wednesday 1

Waning Crescent 7%

05:48

17:03

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

Sun - Rise: 06:10, Set: 21:05, Transit: 13:38. Moon - Rise: 05:48, Set: 17:03. Civil Dark: 21:43 - 05:32. Nautical Dark: 22:33 - 04:42. Astro Dark: 23:35 - 03:39

Total Clouds (% Sky Obscured)

82
82
100
100
100
100
100
100
48
48
48
48
48
48
14
14
14
14
14
14
100
100
100
100

Low Clouds (% Sky Obscured)

82
82
100
100
100
100
100
100
48
48
48
48
48
48
14
14
14
14
14
14
100
100
100
100

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
23
23
23
23

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
100
100
100
100

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
19
20
20
19
19
18
18
18
17
16
15
14
12
11
8
7
6
6
7
9
11
13
15

Dew Point (°C)

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

Relative Humidity (%)

50
46
43
43
44
46
48
48
48
48
48
50
55
60
66
71
74
75
75
72
67
63
58
55

Pressure (mb)

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

Ozone (du)

352
351
350
349
349
349
350
351
353
354
355
355
355
355
354
352
351
349
348
346
345
345
345
346

Forecast for Oudenbosch, Halderberge, NL (51.58,4.53)

Generated: 25/04/19 21:13:56. Forecast: 25/04/19 to 01/05/19. Timezone: UTC+2.00