Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

22:51

07:21

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

Sun - Rise: 05:20, Set: 21:02, Transit: 13:12. Moon - Rise: 22:51, Set: 07:21. Civil Dark: 21:43 - 04:39. Nautical Dark: 22:39 - 03:42. Astro Dark: 00:02 - 02:17

Total Clouds (% Sky Obscured)

43
33
33
37
59
51
55
71
92
95
95
85
77
52
40
20
12
9
0
0
27
79
89
90

Low Clouds (% Sky Obscured)

41
27
28
22
18
25
15
9
2
2
1
1
0
0
0
0
0
0
0
0
26
46
41
13

Medium Clouds (% Sky Obscured)

20
24
19
27
31
46
52
58
20
3
1
2
25
47
38
1
7
0
0
0
0
0
9
29

High Clouds (% Sky Obscured)

0
0
2
7
40
2
1
31
91
95
95
85
77
13
7
19
8
9
0
0
2
55
81
85

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

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 (%)

8
8
8
7
6
4
3
2
2
0
0
0
0
1
1
1
2
2
2
0
0
2
3
3

Precipitation Amount (mm)

0.16
0.13
0.18
0.11
0.07
0.04
0.03
0.01
0.01
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0.01
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
61
61
61
62
63
64
66
69
72
74
76
78
80
80
80
80
78
74
68
64
61
59
58

Pressure (mb)

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

Ozone (du)

359
357
355
354
354
353
353
353
353
353
352
352
352
352
354
356
359
360
358
354
351
348
346
344

Tuesday 21

Waning Gibbous 89%

23:51

08:10

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

Sun - Rise: 05:19, Set: 21:04, Transit: 13:12. Moon - Rise: 23:51, Set: 08:10. Civil Dark: 21:45 - 04:37. Nautical Dark: 22:41 - 03:40. Astro Dark: 00:07 - 02:12

Total Clouds (% Sky Obscured)

94
74
62
47
41
53
38
27
23
56
71
90
95
91
82
75
49
36
30
25
39
45
45
26

Low Clouds (% Sky Obscured)

41
9
1
6
2
4
5
9
13
23
45
57
32
34
33
20
9
3
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

31
16
7
3
2
29
20
11
7
8
12
59
77
63
21
16
23
28
8
1
0
1
1
2

High Clouds (% Sky Obscured)

87
68
59
43
40
48
31
16
9
41
48
75
86
77
72
66
40
28
28
24
38
45
45
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 (%)

3
3
3
3
2
2
1
0
0
0
0
0
0
1
1
2
2
2
1
2
2
2
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
59
59
59
58
60
62
65
69
73
77
80
82
85
86
87
87
84
77
69
63
60
58
56

Pressure (mb)

1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

343
342
342
342
341
341
339
338
336
335
333
332
331
330
330
330
330
330
331
333
334
336
338
338

Wednesday 22

Waning Gibbous 81%

00:41

09:06

14 OK
15 Bad
16 OK
17 OK
18 OK
19 Bad
20 OK
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: 05:17, Set: 21:05, Transit: 13:12. Moon - Rise: 00:41, Set: 09:06. Civil Dark: 21:46 - 04:36. Nautical Dark: 22:43 - 03:39. Astro Dark: 00:11 - 02:07

Total Clouds (% Sky Obscured)

43
72
35
41
48
54
48
59
87
98
100
100
100
99
95
95
94
98
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

1
2
6
7
5
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
16
9
6
13
20
12
20
41
21
1
1
24
83
90
81
73
76
76
76
76
76
76
96

High Clouds (% Sky Obscured)

41
66
27
35
46
51
48
56
86
98
100
100
100
99
84
90
90
96
96
96
96
96
96
77

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
1
1
1
1
2
2
2
2
1
1
1
2
2
2
2
2
2
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
7
7
6
6
5
5
5
4
4
3
3
3
1
3
3
3
4
3
4
5
6
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
53
53
54
55
56
59
65
70
74
77
80
82
83
83
83
82
79
73
67
62
60
60
60

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

337
334
332
332
333
333
333
331
332
335
339
342
342
341
339
337
336
335
336
339
341
342
343
344

Thursday 23

Waning Gibbous 73%

01:22

10:06

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: 05:16, Set: 21:06, Transit: 13:12. Moon - Rise: 01:22, Set: 10:06. Civil Dark: 21:48 - 04:35. Nautical Dark: 22:45 - 03:37. Astro Dark: 00:16 - 02:02

Total Clouds (% Sky Obscured)

98
98
98
98
98
77
77
77
77
77
77
44
44
44
44
44
44
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
31
31
31
31
31
31
100
100
100
100
100
100
1

Medium Clouds (% Sky Obscured)

96
96
96
96
96
71
71
71
71
71
71
25
25
25
25
25
25
20
20
20
20
20
20
92

High Clouds (% Sky Obscured)

77
77
77
77
77
23
23
23
23
23
23
0
0
0
0
0
0
6
6
6
6
6
6
95

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
8
6
5
5
6
8
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
Very Light Rain
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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

2
2
2
3
4
6
0
0
0
0
0
4
6
14
21
35
50
43
27
22
21
17
10
9

Precipitation Amount (mm)

0.02
0.01
0.01
0.02
0.04
0.07
0
0
0
0
0
0.01
0.04
0.11
0.2
0.27
0.32
0.33
0.29
0.34
0.45
0.51
0.5
0.43

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
18
17
17
17
16
15
14
14
14
14
14
14
14
14
15
15
15
16
16
16
16

Feels Like (°C)

18
18
18
18
17
17
17
16
15
14
14
14
14
14
14
14
14
15
15
15
16
16
16
16

Dew Point (°C)

10
10
10
10
11
11
11
11
11
11
10
10
11
11
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

60
59
60
62
66
70
71
76
78
79
78
78
83
83
82
81
81
80
79
78
76
74
72
71

Pressure (mb)

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

Ozone (du)

345
347
347
346
343
341
341
341
340
339
337
335
336
337
338
338
338
338
338
340
340
340
340
339

Friday 24

Waning Gibbous 64%

01:56

11:09

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 OK

Sun - Rise: 05:15, Set: 21:08, Transit: 13:12. Moon - Rise: 01:56, Set: 11:09. Civil Dark: 21:49 - 04:33. Nautical Dark: 22:47 - 03:35. Astro Dark: 00:22 - 01:57

Total Clouds (% Sky Obscured)

98
98
98
98
98
100
100
100
100
100
100
52
52
52
52
52
52
96
96
96
96
96
96
16

Low Clouds (% Sky Obscured)

1
1
1
1
1
57
57
57
57
57
57
33
33
33
33
33
33
60
60
60
60
60
60
16

Medium Clouds (% Sky Obscured)

92
92
92
92
92
100
100
100
100
100
100
0
0
0
0
0
0
83
83
83
83
83
83
1

High Clouds (% Sky Obscured)

95
95
95
95
95
0
0
0
0
0
0
20
20
20
20
20
20
65
65
65
65
65
65
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

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 (%)

7
4
2
2
1
0
0
0
0
0
0
0
3
3
3
0
2
2
0
0
0
0
0
0

Precipitation Amount (mm)

0.26
0.1
0.03
0.01
0.01
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
12
11
11
11
11
11
11
11
11
12
12
11
11
11
11
12
12
12
12
12
12
12

Relative Humidity (%)

69
66
64
63
63
64
67
72
75
78
81
83
84
83
84
85
85
84
79
72
68
65
63
61

Pressure (mb)

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

Ozone (du)

337
335
332
331
330
328
324
320
317
314
311
309
307
306
305
303
301
299
298
297
296
296
296
296

Saturday 25

Waning Gibbous 54%

02:24

12:13

14 OK
15 OK
16 OK
17 OK
18 OK
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: 05:14, Set: 21:09, Transit: 13:12. Moon - Rise: 02:24, Set: 12:13. Civil Dark: 21:51 - 04:32. Nautical Dark: 22:49 - 03:33. Astro Dark: 00:27 - 01:51

Total Clouds (% Sky Obscured)

16
16
16
16
16
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
82

Low Clouds (% Sky Obscured)

16
16
16
16
16
22
22
22
22
22
22
99
99
99
99
99
99
100
100
100
100
100
100
2

Medium Clouds (% Sky Obscured)

1
1
1
1
1
6
6
6
6
6
6
59
59
59
59
59
59
73
73
73
73
73
73
33

High Clouds (% Sky Obscured)

1
1
1
1
1
98
98
98
98
98
98
95
95
95
95
95
95
93
93
93
93
93
93
74

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
1
2
1
2
4
6
6
5
3
2
1
2
2
2
2
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.02
0.03
0.04
0.06
0.04
0.02
0.01
0.01
0.01
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
12
12
11
12
12
11
11
11
11
11
12
12
12
12
13
13
13

Relative Humidity (%)

59
58
57
58
59
60
63
67
72
76
81
84
86
87
87
87
87
85
80
76
73
72
70
70

Pressure (mb)

1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

296
296
296
296
298
298
298
297
297
296
296
296
296
296
295
295
294
293
294
294
295
295
296
297

Sunday 26

Third Quarter 44%

02:47

13:18

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: 05:13, Set: 21:10, Transit: 13:12. Moon - Rise: 02:47, Set: 13:18. Civil Dark: 21:52 - 04:31. Nautical Dark: 22:51 - 03:32. Astro Dark: 00:33 - 01:44

Total Clouds (% Sky Obscured)

82
82
82
82
82
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
2
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

33
33
33
33
33
84
84
84
84
84
84
37
37
37
37
37
37
72
72
72
72
72
72
59

High Clouds (% Sky Obscured)

74
74
74
74
74
48
48
48
48
48
48
0
0
0
0
0
0
98
98
98
98
98
98
73

ISS Passover

Visibility (miles)

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

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
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 (%)

2
0
0
1
2
2
3
3
4
3
3
3
5
6
9
9
10
12
14
15
17
19
22
31

Precipitation Amount (mm)

0.01
0
0
0.01
0.01
0.01
0.02
0.02
0.02
0.02
0.02
0.02
0.04
0.06
0.08
0.07
0.06
0.05
0.06
0.08
0.11
0.15
0.21
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
21
20
19
18
18
17
17
16
16
15
15
15
15
15
15
15
15
16
16
17
17
17

Feels Like (°C)

19
20
21
20
19
18
18
17
17
16
16
15
15
15
15
15
15
15
15
16
16
17
17
17

Dew Point (°C)

13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11

Relative Humidity (%)

67
64
62
63
65
68
69
72
74
77
79
81
82
82
82
83
83
83
80
77
75
73
71
70

Pressure (mb)

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

Ozone (du)

298
299
299
299
299
300
301
304
306
307
308
309
311
313
315
315
314
313
312
310
309
309
309
309

Forecast for United Kingdom (50.28,-3.89)

Generated: 20/05/19 14:44:21. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00