Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

23:20

07:58

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

Sun - Rise: 05:56, Set: 21:32, Transit: 13:45. Moon - Rise: 23:20, Set: 07:58. Civil Dark: 22:12 - 05:17. Nautical Dark: 23:05 - 04:23. Astro Dark: 00:20 - 03:06

Total Clouds (% Sky Obscured)

100
99
99
90
77
18
9
2
2
4
9
9
4
11
20
19
13
18
23
7
16
36
34
35

Low Clouds (% Sky Obscured)

100
99
99
90
77
16
6
2
2
4
5
1
0
6
10
14
9
12
11
2
12
27
20
20

Medium Clouds (% Sky Obscured)

58
9
3
0
1
6
6
1
1
2
6
9
4
10
19
18
9
13
20
7
6
29
30
31

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
6
7
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

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 (%)

5
5
4
4
4
4
4
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3

Precipitation Amount (mm)

0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.04

Wind Speed/Direction (mph)

14
14
14
13
11
10
9
9
8
7
7
7
7
6
6
6
5
5
5
5
6
7
7
8

Chance of Frost

Temperature (°C)

18
19
19
19
18
18
17
16
14
12
11
11
10
9
9
9
9
10
11
13
16
17
19
20

Feels Like (°C)

18
19
19
19
18
18
17
16
14
12
11
11
9
8
8
8
8
9
11
13
16
17
19
20

Dew Point (°C)

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

Relative Humidity (%)

66
64
62
62
62
62
65
67
71
75
78
80
83
88
92
94
95
94
91
84
76
70
66
62

Pressure (mb)

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

Ozone (du)

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

Tuesday 21

Waning Gibbous 89%

00:19

08:47

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

Sun - Rise: 05:55, Set: 21:33, Transit: 13:45. Moon - Rise: 00:19, Set: 08:47. Civil Dark: 22:13 - 05:15. Nautical Dark: 23:07 - 04:21. Astro Dark: 00:23 - 03:03

Total Clouds (% Sky Obscured)

39
43
46
32
19
17
14
9
18
16
7
6
10
20
21
16
15
31
56
48
54
50
59
90

Low Clouds (% Sky Obscured)

22
29
22
16
13
9
6
8
18
16
7
6
10
20
21
16
13
6
14
27
32
27
29
8

Medium Clouds (% Sky Obscured)

38
40
41
27
15
13
13
2
0
0
0
0
0
0
0
0
0
0
2
4
9
14
37
73

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
27
49
31
33
32
31
67

ISS Passover

Visibility (miles)

10
10
9
7
7
7
8
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
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
None
None
None
None
None
None

Precipitation Probability (%)

5
8
12
16
17
16
11
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0.08
0.14
0.23
0.3
0.29
0.24
0.17
0.09
0.02
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02

Wind Speed/Direction (mph)

8
9
10
10
9
8
7
7
7
7
6
6
5
4
3
2
2
2
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
11
10
9
8
7
7
7
6
6
7
7
8
8
9
10
11
11
10

Relative Humidity (%)

61
60
62
63
64
63
65
66
69
73
75
78
80
84
88
90
90
88
83
78
72
67
62
57

Pressure (mb)

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

Ozone (du)

355
356
357
357
357
357
355
353
349
347
348
349
350
349
347
345
342
338
335
333
333
332
332
331

Wednesday 22

Waning Gibbous 82%

01:10

09:42

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
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

Sun - Rise: 05:54, Set: 21:34, Transit: 13:45. Moon - Rise: 01:10, Set: 09:42. Civil Dark: 22:14 - 05:14. Nautical Dark: 23:09 - 04:19. Astro Dark: 00:27 - 02:59

Total Clouds (% Sky Obscured)

100
100
99
95
92
95
95
83
37
35
63
66
70
59
82
91
98
97
97
97
97
97
97
97

Low Clouds (% Sky Obscured)

6
13
1
2
1
0
0
0
1
1
0
5
7
2
15
11
13
1
3
3
3
3
3
3

Medium Clouds (% Sky Obscured)

98
99
95
71
45
48
38
34
27
9
6
29
23
8
22
29
57
35
35
35
35
35
35
35

High Clouds (% Sky Obscured)

98
98
96
88
88
89
92
74
14
29
60
53
63
55
77
88
96
95
95
95
95
95
95
95

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

Precipitation Amount (mm)

0.03
0.04
0.04
0.04
0.04
0.04
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
20
21
21
20
19
18
16
14
13
12
12
11
11
11
11
12
13
15
18
19
21
21

Feels Like (°C)

19
20
20
21
21
20
19
18
16
14
13
12
12
11
11
11
11
12
13
15
18
19
21
21

Dew Point (°C)

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

Relative Humidity (%)

54
51
49
49
51
55
60
65
71
75
78
78
79
80
82
83
83
81
77
72
66
63
58
55

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019

Ozone (du)

330
329
327
327
326
326
327
328
330
331
332
332
332
332
331
330
331
332
332
331
329
329
332
337

Thursday 23

Waning Gibbous 73%

01:51

10:42

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 OK
12 OK
13 OK

Sun - Rise: 05:53, Set: 21:36, Transit: 13:45. Moon - Rise: 01:51, Set: 10:42. Civil Dark: 22:16 - 05:13. Nautical Dark: 23:11 - 04:18. Astro Dark: 00:31 - 02:56

Total Clouds (% Sky Obscured)

68
68
68
68
68
68
80
80
80
80
80
80
27
27
27
27
27
27
10
10
10
10
10
10

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
23
23
23
23
23
23
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

41
41
41
41
41
41
73
73
73
73
73
73
7
7
7
7
7
7
8
8
8
8
8
8

High Clouds (% Sky Obscured)

53
53
53
53
53
53
58
58
58
58
58
58
25
25
25
25
25
25
3
3
3
3
3
3

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
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

3
2
2
2
4
10
20
14
7
3
2
1
0
0
0
0
0
0
0
2
8
17
25
37

Precipitation Amount (mm)

0.02
0.02
0.01
0.01
0.05
0.14
0.23
0.21
0.14
0.09
0.04
0.01
0
0
0
0
0
0
0
0.01
0.07
0.16
0.22
0.27

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
23
24
23
22
21
20
19
18
17
16
15
15
14
12
11
11
11
12
12
13
14
16
17

Feels Like (°C)

22
23
24
23
22
21
20
19
18
17
16
15
15
14
12
11
11
11
12
12
13
14
16
17

Dew Point (°C)

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

Relative Humidity (%)

52
49
47
48
52
58
63
65
66
67
68
69
71
72
74
76
78
79
78
78
78
77
73
70

Pressure (mb)

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

Ozone (du)

339
337
333
331
331
333
335
337
339
342
346
351
354
352
349
346
343
341
340
340
341
342
341
340

Friday 24

Waning Gibbous 64%

02:25

11:44

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 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:52, Set: 21:37, Transit: 13:45. Moon - Rise: 02:25, Set: 11:44. Civil Dark: 22:17 - 05:12. Nautical Dark: 23:13 - 04:16. Astro Dark: 00:34 - 02:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
21
21
21
21
21
21
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
29
29
29
29
29
29
21
21
21
21
21
21
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

98
98
98
98
98
98
73
73
73
73
73
73
1
1
1
1
1
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
5
4
3
2
3
4
7
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
Light Rain
Light Rain
Light Rain
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

Precipitation Probability (%)

47
60
69
72
64
36
12
9
7
5
4
0
0
0
0
0
0
3
4
4
3
3
3
4

Precipitation Amount (mm)

0.38
0.74
1.38
1.67
1.03
0.28
0.04
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0.01
0.01
0.01
0.02
0.03
0.05
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
11
11
11
11
11
10
10
9
9
9
10
10
10
10
10
10
11
11
12
12
12
12

Relative Humidity (%)

69
72
77
82
83
81
78
79
82
84
86
89
90
92
94
95
96
94
90
86
81
76
72
68

Pressure (mb)

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

Ozone (du)

341
347
356
362
362
358
355
353
350
349
350
352
353
351
349
346
344
343
341
340
338
337
335
333

Saturday 25

Waning Gibbous 54%

02:54

12:48

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

Sun - Rise: 05:51, Set: 21:38, Transit: 13:45. Moon - Rise: 02:54, Set: 12:48. Civil Dark: 22:19 - 05:11. Nautical Dark: 23:14 - 04:14. Astro Dark: 00:38 - 02:48

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
79
79
79
79
79
79
13
13
13
13
13
13
77
77
77
77
77
77

Low Clouds (% Sky Obscured)

99
99
99
99
99
99
65
65
65
65
65
65
0
0
0
0
0
0
16
16
16
16
16
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
75
75
75
75
75
75
2
2
2
2
2
2
17
17
17
17
17
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
11
11
11
11
11
11
70
70
70
70
70
70

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 (%)

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

Precipitation Amount (mm)

0.08
0.08
0.08
0.06
0.04
0.02
0.01
0.01
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0
0.02
0.04
0.05
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
61
59
60
62
66
67
70
73
75
78
80
82
85
89
91
90
86
82
80
78
76
73
71

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1019
1019

Ozone (du)

331
328
325
322
318
315
312
312
312
312
310
307
305
303
301
300
298
297
296
295
295
296
297
298

Sunday 26

Third Quarter 45%

03:18

13:52

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

Sun - Rise: 05:50, Set: 21:39, Transit: 13:45. Moon - Rise: 03:18, Set: 13:52. Civil Dark: 22:20 - 05:09. Nautical Dark: 23:16 - 04:13. Astro Dark: 00:42 - 02:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
18
18
18
18
18
18
52
52
52
52
52
52
97
97
97
97
97
97

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
13
13
13
13
13
13
0
0
0
0
0
0
97
97
97
97
97
97

Medium Clouds (% Sky Obscured)

82
82
82
82
82
82
7
7
7
7
7
7
22
22
22
22
22
22
37
37
37
37
37
37

High Clouds (% Sky Obscured)

98
98
98
98
98
98
1
1
1
1
1
1
48
48
48
48
48
48
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
Very Light Rain
Very Light Rain
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
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.05
0.06
0.09
0.1
0.09
0.07
0.05
0.04
0.03
0.03
0.02
0.02
0.01
0.01
0.01
0.01
0.01
0.02
0.03
0.03
0.03
0.03
0.03
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
19
19
19
20
19
18
17
16
15
14
14
13
13
13
14
14
15
16
17
17
18

Feels Like (°C)

19
19
19
19
19
19
20
19
18
17
16
15
14
14
13
13
13
14
14
15
16
17
17
18

Dew Point (°C)

13
13
14
14
14
14
14
14
13
12
12
11
11
11
11
12
12
12
12
12
12
13
13
13

Relative Humidity (%)

70
70
72
73
72
72
71
71
72
74
76
77
79
83
88
91
92
90
87
84
80
78
75
72

Pressure (mb)

1019
1019
1018
1018
1018
1017
1017
1017
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

300
302
304
306
306
305
304
304
303
303
304
305
305
306
307
309
311
313
315
315
315
314
312
310

Forecast for Compiègne, Oise, FR (49.42,2.82)

Generated: 20/05/19 14:51:06. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+2.00