Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 57%

03:18

11:34

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 OK
16 OK
17 OK
18 Good
19 Good
20 OK

Sun - Rise: 06:19, Set: 20:56, Transit: 13:37. Moon - Rise: 03:18, Set: 11:34. Civil Dark: 21:32 - 05:41. Nautical Dark: 22:20 - 04:52. Astro Dark: 23:18 - 03:53

Total Clouds (% Sky Obscured)

100
100
99
99
78
91
78
96
98
67
98
88
92
94
80
89
73
86
38
27
24
9
16
41

Low Clouds (% Sky Obscured)

9
1
0
6
0
1
13
1
1
0
1
0
1
2
17
17
12
17
20
21
10
1
4
15

Medium Clouds (% Sky Obscured)

100
98
86
69
22
0
0
2
8
7
24
31
91
88
64
73
44
24
27
13
15
6
11
38

High Clouds (% Sky Obscured)

100
100
99
98
76
91
75
96
98
66
97
84
8
59
44
65
55
81
1
1
11
5
6
16

ISS Passover

Visibility (miles)

8
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

Precipitation Type

Very Light Rain
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 (%)

10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
2
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
0.01
0.01
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
12
12
11
10
9
8
7
7
7
8
10
12
13
15
15
16
17
18
18
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

74
76
79
79
80
82
84
86
89
92
92
89
82
75
69
64
59
55
51
48
46
46
48
51

Pressure (mb)

1007
1008
1008
1008
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

370
371
372
373
373
375
377
380
383
385
387
388
387
385
384
383
383
383
383
384
385
388
392
394

Friday 26

Waning Gibbous 47%

03:54

12:36

21 OK
22 OK
23 Good
00 Good
01 Good
02 OK
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

Sun - Rise: 06:17, Set: 20:57, Transit: 13:37. Moon - Rise: 03:54, Set: 12:36. Civil Dark: 21:34 - 05:38. Nautical Dark: 22:22 - 04:49. Astro Dark: 23:21 - 03:50

Total Clouds (% Sky Obscured)

35
34
12
3
6
23
57
98
100
98
100
100
99
95
92
56
84
73
57
69
47
84
86
92

Low Clouds (% Sky Obscured)

25
18
7
2
0
0
5
8
88
28
91
100
95
6
23
31
82
15
26
60
7
24
21
34

Medium Clouds (% Sky Obscured)

30
32
10
3
1
2
35
95
100
98
100
99
98
95
91
53
41
65
50
26
41
83
85
89

High Clouds (% Sky Obscured)

0
0
0
0
4
22
38
92
84
0
0
0
0
0
0
0
0
35
11
16
18
3
40
74

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
9
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
None
None
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
2
4
12
45
51
46
36
21
8
6
8
13
16
19
19
18
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.01
0.02
0.05
0.2
0.26
0.29
0.48
0.59
0.08
0.04
0.05
0.13
0.19
0.25
0.17
0.13
0.16

Wind Speed/Direction (mph)

6
7
7
7
8
9
9
9
10
11
12
13
15
17
17
18
19
20
21
21
21
19
17
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
63
69
71
72
74
76
79
81
85
90
89
81
70
62
55
51
50
51
52
55
58
61
63

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010

Ozone (du)

392
389
385
381
376
372
370
369
369
369
368
370
373
378
382
383
382
381
380
379
378
379
381
382

Saturday 27

Third Quarter 37%

04:24

13:41

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
19 Bad
20 Bad

Sun - Rise: 06:15, Set: 20:59, Transit: 13:37. Moon - Rise: 04:24, Set: 13:41. Civil Dark: 21:36 - 05:36. Nautical Dark: 22:25 - 04:47. Astro Dark: 23:24 - 03:46

Total Clouds (% Sky Obscured)

99
99
98
96
99
100
100
100
100
100
96
93
100
98
98
98
98
98
81
45
55
84
65
35

Low Clouds (% Sky Obscured)

37
46
73
95
92
98
99
100
100
100
94
82
41
47
83
80
83
85
77
32
46
82
63
34

Medium Clouds (% Sky Obscured)

98
97
93
45
98
99
72
73
97
99
75
81
99
96
82
60
46
43
37
30
38
34
23
9

High Clouds (% Sky Obscured)

93
98
91
16
22
95
95
88
56
5
2
51
84
81
91
95
93
82
17
17
7
6
2
0

ISS Passover

Visibility (miles)

9
10
10
10
10
10
10
10
10
9
8
7
6
4
3
3
2
2
2
1
1
1
1
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 (%)

20
21
21
20
20
22
23
26
29
33
36
35
29
24
21
21
23
27
43
38
35
35
40
41

Precipitation Amount (mm)

0.17
0.22
0.29
0.28
0.24
0.2
0.18
0.17
0.17
0.17
0.17
0.17
0.13
0.09
0.08
0.09
0.1
0.17
0.24
0.24
0.27
0.31
0.36
0.37

Wind Speed/Direction (mph)

14
13
12
12
11
11
5
10
10
10
9
9
8
9
10
10
9
9
11
10
9
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
70
72
75
77
79
79
80
82
84
86
86
84
82
78
76
75
75
84
81
79
79
79
80

Pressure (mb)

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

Ozone (du)

382
383
382
381
378
376
376
375
374
373
371
369
367
364
362
362
363
364
364
363
362
362
361
361

Sunday 28

Waning Crescent 28%

04:48

14:46

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

Sun - Rise: 06:13, Set: N/A, Transit: 13:37. Moon - Rise: 04:48, Set: 14:46. Civil Dark: 21:37 - 05:34. Nautical Dark: 22:27 - 04:44. Astro Dark: 23:28 - 03:42

Total Clouds (% Sky Obscured)

35
35
35
35
35
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
34
34
34
34
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
35

Medium Clouds (% Sky Obscured)

9
9
9
9
9
0
0
0
0
0
0
0
0
0
0
0
0
28
28
28
28
28
28
89

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
100

ISS Passover

Visibility (miles)

3
6
9
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

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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
34
26
15
7
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.31
0.23
0.14
0.06
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
3
6
5
5
6
6
5
6
5
5
5
6
7
7
7
7
8
8
8
8
8
7
6

Chance of Frost

Temperature (°C)

10
9
8
8
7
7
6
6
6
6
6
7
8
10
11
13
14
15
15
16
16
16
16
15

Feels Like (°C)

10
9
7
6
6
5
4
4
4
4
4
5
6
8
11
13
14
15
15
16
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
86
87
88
88
88
88
89
90
88
83
76
70
64
58
54
51
49
48
49
51
54

Pressure (mb)

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

Ozone (du)

361
362
362
361
359
358
357
357
357
358
359
361
363
366
368
369
370
370
370
369
368
366
364
363

Monday 29

Waning Crescent 20%

05:09

15:53

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Good

Sun - Rise: 06:11, Set: 21:01, Transit: 13:37. Moon - Rise: 05:09, Set: 15:53. Civil Dark: 21:39 - 05:32. Nautical Dark: 22:29 - 04:42. Astro Dark: 23:31 - 03:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
6
6
6
6
6
6
61
61
61
61
61
61
72
72
72
72
72
72
14

Low Clouds (% Sky Obscured)

35
35
35
35
35
1
1
1
1
1
1
0
0
0
0
0
0
70
70
70
70
70
70
9

Medium Clouds (% Sky Obscured)

89
89
89
89
89
6
6
6
6
6
6
61
61
61
61
61
61
13
13
13
13
13
13
10

High Clouds (% Sky Obscured)

100
100
100
100
100
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)

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

Chance of Frost

Temperature (°C)

14
12
11
10
9
8
7
7
6
6
7
8
10
13
15
16
17
18
19
20
20
19
18
17

Feels Like (°C)

14
12
11
8
7
6
5
5
4
4
5
6
10
13
15
16
17
18
19
20
20
19
18
17

Dew Point (°C)

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

Relative Humidity (%)

58
62
67
72
76
79
81
83
83
84
83
78
70
61
54
49
45
42
39
38
39
40
43
46

Pressure (mb)

1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1020

Ozone (du)

363
364
364
365
365
364
363
361
359
360
360
361
361
361
361
360
360
359
359
359
359
359
359
359

Tuesday 30

Waning Crescent 13%

05:28

17:00

21 Good
22 Good
23 Good
00 Good
01 Good
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
19 Bad
20 Bad

Sun - Rise: 06:09, Set: 21:03, Transit: 13:36. Moon - Rise: 05:28, Set: 17:00. Civil Dark: 21:41 - 05:30. Nautical Dark: 22:32 - 04:39. Astro Dark: 23:35 - 03:35

Total Clouds (% Sky Obscured)

14
14
14
14
14
99
99
99
99
99
99
92
92
92
92
92
92
98
98
98
98
98
98
99

Low Clouds (% Sky Obscured)

9
9
9
9
9
94
94
94
94
94
94
8
8
8
8
8
8
95
95
95
95
95
95
7

Medium Clouds (% Sky Obscured)

10
10
10
10
10
45
45
45
45
45
45
7
7
7
7
7
7
44
44
44
44
44
44
63

High Clouds (% Sky Obscured)

0
0
0
0
0
89
89
89
89
89
89
91
91
91
91
91
91
96
96
96
96
96
96
98

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)

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

Chance of Frost

Temperature (°C)

16
14
12
11
11
10
9
8
8
8
9
10
12
15
16
18
19
20
21
21
21
20
19
19

Feels Like (°C)

16
14
12
11
11
10
8
7
7
7
8
10
12
15
16
18
19
20
21
21
21
20
19
19

Dew Point (°C)

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

Relative Humidity (%)

51
57
62
66
67
70
75
81
85
87
85
81
73
64
57
51
45
40
38
37
38
39
40
41

Pressure (mb)

1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1014
1014

Ozone (du)

360
361
363
365
366
367
366
364
363
362
361
360
359
358
357
356
355
354
352
349
347
347
348
349

Wednesday 1

Waning Crescent 7%

05:47

18:09

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
19 Bad
20 OK

Sun - Rise: 06:07, Set: 21:04, Transit: 13:36. Moon - Rise: 05:47, Set: 18:09. Civil Dark: 21:43 - 05:28. Nautical Dark: 22:34 - 04:36. Astro Dark: 23:38 - 03:31

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
95
95
95
95
95
95
29

Low Clouds (% Sky Obscured)

7
7
7
7
7
0
0
0
0
0
0
59
59
59
59
59
59
52
52
52
52
52
52
4

Medium Clouds (% Sky Obscured)

63
63
63
63
63
2
2
2
2
2
2
98
98
98
98
98
98
90
90
90
90
90
90
6

High Clouds (% Sky Obscured)

98
98
98
98
98
99
99
99
99
99
99
84
84
84
84
84
84
48
48
48
48
48
48
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
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
1
2
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
2
2
3
5
6
6
5
5
5
6
6
6
6
7
7
8
9
9
9
9
4
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
45
49
53
57
63
70
77
82
82
78
71
64
57
51
47
44
41
40
40
41
42
42
43

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

350
352
354
354
353
353
352
352
351
349
348
346
345
344
344
345
347
348
348
348
348
349
350
353

Forecast for Utrecht, Utrecht, NL (52.08,5.03)

Generated: 25/04/19 21:48:09. Forecast: 25/04/19 to 01/05/19. Timezone: UTC+2.00