Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

22:52

07:20

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

Sun - Rise: 05:18, Set: 21:03, Transit: 13:11. Moon - Rise: 22:52, Set: 07:20. Civil Dark: 21:45 - 04:37. Nautical Dark: 22:41 - 03:39. Astro Dark: 00:09 - 02:09

Total Clouds (% Sky Obscured)

51
58
59
64
65
64
66
56
48
75
91
86
85
84
42
77
66
48
5
1
0
2
39
91

Low Clouds (% Sky Obscured)

36
41
31
23
42
23
17
10
7
6
3
2
0
0
0
0
1
2
2
1
0
2
12
62

Medium Clouds (% Sky Obscured)

43
56
54
61
50
52
43
36
38
40
16
1
7
26
32
38
57
40
1
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
20
21
38
34
16
60
90
86
85
84
32
72
35
16
3
0
0
0
31
77

ISS Passover

Visibility (miles)

1
1
5
8
9
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

Light Rain
Light Rain
Light Rain
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

Precipitation Probability (%)

83
46
16
16
14
9
4
2
1
1
0
0
0
1
1
1
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.41
0.49
0.56
0.56
0.37
0.16
0.07
0.03
0.01
0.01
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
16
16
15
15
13
12
11
10
7
7
6
5
5
5
5
5
7
12
14
15
17

Dew Point (°C)

12
12
11
10
10
10
9
9
8
7
7
6
6
6
5
5
5
6
6
7
8
8
8
8

Relative Humidity (%)

71
71
68
67
68
68
69
73
75
77
79
81
83
84
86
88
90
93
92
86
76
69
63
57

Pressure (mb)

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

Ozone (du)

360
358
357
355
354
353
353
353
353
353
353
352
352
352
353
354
356
360
361
359
355
351
348
346

Tuesday 21

Waning Gibbous 89%

23:52

08:09

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

Sun - Rise: 05:17, Set: 21:05, Transit: 13:11. Moon - Rise: 23:52, Set: 08:09. Civil Dark: 21:46 - 04:35. Nautical Dark: 22:43 - 03:37. Astro Dark: 00:13 - 02:04

Total Clouds (% Sky Obscured)

96
94
94
91
82
76
60
52
41
23
38
45
70
89
88
83
81
56
45
23
20
31
77
82

Low Clouds (% Sky Obscured)

79
80
72
81
63
49
27
9
6
2
1
0
1
4
6
5
2
2
3
2
0
2
26
29

Medium Clouds (% Sky Obscured)

46
70
79
67
50
34
32
11
4
8
15
18
65
76
55
31
45
34
35
15
7
1
1
25

High Clouds (% Sky Obscured)

78
55
37
46
41
35
37
45
37
18
31
41
58
73
77
81
77
48
36
13
14
30
68
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
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
2
2
2
2
2
1
1
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
4
5
5
7
7
7
7
6
6
6
6
6
5
5
5
4
4
3
2
1
2
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
18
17
17
16
15
13
11
10
8
7
6
5
5
5
5
6
9
12
15
17
17

Dew Point (°C)

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

Relative Humidity (%)

54
52
53
55
57
58
60
66
71
76
80
85
90
93
95
97
99
100
98
88
74
63
56
53

Pressure (mb)

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

Ozone (du)

343
342
341
341
340
340
339
338
336
334
333
331
330
329
329
329
329
329
329
331
332
334
336
338

Wednesday 22

Waning Gibbous 81%

00:42

09:04

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

Sun - Rise: 05:16, Set: 21:06, Transit: 13:11. Moon - Rise: 00:42, Set: 09:04. Civil Dark: 21:48 - 04:34. Nautical Dark: 22:45 - 03:36. Astro Dark: 00:19 - 01:59

Total Clouds (% Sky Obscured)

83
91
97
100
98
90
34
32
58
70
66
85
98
99
99
99
87
95
95
95
95
95
95
95

Low Clouds (% Sky Obscured)

55
45
58
87
97
88
13
3
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

62
85
95
99
56
1
6
11
22
15
13
3
3
4
32
69
77
84
81
81
81
81
81
81

High Clouds (% Sky Obscured)

30
30
31
32
28
33
28
27
50
66
63
84
98
99
99
99
65
91
91
91
91
91
91
91

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
1
1
1
0
0
0
0
0
0
0
1
0
0
1
0
1
1
1
1
1
1
1

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0.01
0
0
0.01
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
20
20
19
18
17
15
13
11
10
9
9
8
8
8
8
9
10
11
13
15
16
16

Feels Like (°C)

19
19
20
20
19
18
17
15
13
11
10
9
9
8
8
8
8
8
9
11
13
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

50
47
46
47
48
50
52
58
63
70
75
78
80
79
78
78
81
84
84
79
69
62
61
61

Pressure (mb)

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

Ozone (du)

338
337
334
332
332
333
334
332
331
331
333
336
338
339
340
340
338
335
334
335
337
340
341
342

Thursday 23

Waning Gibbous 73%

01:23

10:04

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
12 Bad

Sun - Rise: 05:15, Set: 21:07, Transit: 13:12. Moon - Rise: 01:23, Set: 10:04. Civil Dark: 21:49 - 04:33. Nautical Dark: 22:47 - 03:34. Astro Dark: 00:24 - 01:52

Total Clouds (% Sky Obscured)

84
84
84
84
84
84
84
84
84
84
84
84
55
55
55
55
55
55
68
68
68
68
68
68

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
7
7
7
7
7
7
51
51
51
51
51
51
67
67
67
67
67
67

Medium Clouds (% Sky Obscured)

81
81
81
81
81
81
84
84
84
84
84
84
13
13
13
13
13
13
1
1
1
1
1
1

High Clouds (% Sky Obscured)

41
41
41
41
41
41
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
5
5
6
7
8
8
8
7
7
9
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
Very Light Rain
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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
1
2
2
3
4
6
2
2
4
3
2
2
4
7
9
8
7
7
10
14
15
14
11

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.03
0.09
0.15
0.02
0.03
0.03
0.02
0.01
0.02
0.03
0.08
0.11
0.08
0.04
0.04
0.11
0.29
0.49
0.62
0.67

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
19
20
20
20
15
15
15
14
14
13
13
13
13
13
12
12
12
12
13
13
13
13
14

Feels Like (°C)

17
19
20
20
20
15
15
15
14
14
13
13
13
13
13
12
12
12
12
13
13
13
13
14

Dew Point (°C)

9
9
9
9
9
9
10
11
11
11
11
11
11
11
11
10
10
10
10
10
10
10
11
11

Relative Humidity (%)

59
53
49
47
51
68
70
73
78
81
84
86
88
89
88
88
88
88
87
85
84
83
83
81

Pressure (mb)

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

Ozone (du)

343
344
345
345
344
343
343
344
346
348
348
348
348
349
351
352
352
350
348
346
343
340
337
334

Friday 24

Waning Gibbous 64%

01:57

11:08

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
12 Bad

Sun - Rise: 05:14, Set: 21:09, Transit: 13:12. Moon - Rise: 01:57, Set: 11:08. Civil Dark: 21:51 - 04:31. Nautical Dark: 22:49 - 03:32. Astro Dark: 00:31 - 01:46

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
99
99
99
99
99
99
74
74
74
74
74
74
73
73
73
73
73
73

Low Clouds (% Sky Obscured)

20
20
20
20
20
20
41
41
41
41
41
41
74
74
74
74
74
74
2
2
2
2
2
2

Medium Clouds (% Sky Obscured)

98
98
98
98
98
98
99
99
99
99
99
99
0
0
0
0
0
0
48
48
48
48
48
48

High Clouds (% Sky Obscured)

91
91
91
91
91
91
0
0
0
0
0
0
0
0
0
0
0
0
59
59
59
59
59
59

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

10
7
4
2
2
2
2
0
0
0
3
6
6
4
3
3
3
2
2
3
3
3
2
2

Precipitation Amount (mm)

0.61
0.39
0.16
0.05
0.02
0.01
0.01
0
0
0
0.01
0.02
0.03
0.02
0.01
0.01
0.01
0.02
0.03
0.03
0.03
0.03
0.03
0.03

Wind Speed/Direction (mph)

12
5
12
12
12
12
12
11
10
8
7
5
4
4
4
5
5
5
6
7
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
10
10
10
10
11
11
11
10
10
11
11
12
12
12
13
13
12

Relative Humidity (%)

78
72
68
66
67
70
74
77
79
80
82
86
90
93
95
96
97
96
93
87
81
76
72
68

Pressure (mb)

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

Ozone (du)

331
328
325
323
323
324
324
322
319
316
314
313
312
312
311
311
309
307
305
304
304
304
302
301

Saturday 25

Waning Gibbous 54%

02:24

12:12

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
12 Bad

Sun - Rise: 05:13, Set: 21:10, Transit: 13:12. Moon - Rise: 02:24, Set: 12:12. Civil Dark: 21:52 - 04:30. Nautical Dark: 22:51 - 03:30. Astro Dark: 00:38 - 01:37

Total Clouds (% Sky Obscured)

93
93
93
93
93
93
100
100
100
100
100
100
100
100
100
100
100
100
97
97
97
97
97
97

Low Clouds (% Sky Obscured)

93
93
93
93
93
93
26
26
26
26
26
26
98
98
98
98
98
98
49
49
49
49
49
49

Medium Clouds (% Sky Obscured)

3
3
3
3
3
3
15
15
15
15
15
15
86
86
86
86
86
86
69
69
69
69
69
69

High Clouds (% Sky Obscured)

0
0
0
0
0
0
100
100
100
100
100
100
84
84
84
84
84
84
91
91
91
91
91
91

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
9
6
6
6
6
6
5
5
8
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
1
1
1
0
0
0
0
0
0
0
0
2
2
2
2
2
2
2
2
2
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
11
11
12
11
11
10
9
8
7
6
6
5
5
5
5
6
7
6
7
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
21
22
22
21
20
19
17
15
13
12
11
10
9
10
11
11
12
13
14
16
18
19
19

Dew Point (°C)

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

Relative Humidity (%)

64
59
56
55
56
59
63
68
73
79
83
90
95
98
99
99
99
96
92
85
78
72
70
66

Pressure (mb)

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

Ozone (du)

299
298
298
297
297
296
295
295
295
295
294
294
293
293
293
294
294
294
295
295
296
297
298
300

Sunday 26

Third Quarter 44%

02:47

No Set

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
12 Bad

Sun - Rise: 05:12, Set: 21:11, Transit: 13:12. Moon - Rise: 02:47, Set: No Set. Civil Dark: 21:54 - 04:29. Nautical Dark: 22:53 - 03:28. Astro Dark: 00:47 - 01:24

Total Clouds (% Sky Obscured)

66
66
66
66
66
66
98
98
98
98
98
98
99
99
99
99
99
99
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

31
31
31
31
31
31
91
91
91
91
91
91
99
99
99
99
99
99
99
99
99
99
99
99

Medium Clouds (% Sky Obscured)

20
20
20
20
20
20
80
80
80
80
80
80
56
56
56
56
56
56
82
82
82
82
82
82

High Clouds (% Sky Obscured)

46
46
46
46
46
46
65
65
65
65
65
65
0
0
0
0
0
0
45
45
45
45
45
45

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Very 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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

1
2
3
7
12
18
20
14
7
5
5
7
10
13
18
22
24
24
27
35
45
48
41
33

Precipitation Amount (mm)

0.02
0.03
0.04
0.06
0.08
0.09
0.1
0.09
0.07
0.06
0.06
0.06
0.09
0.15
0.26
0.36
0.36
0.33
0.32
0.39
0.51
0.54
0.4
0.23

Wind Speed/Direction (mph)

11
10
11
13
12
12
13
11
9
10
10
10
10
10
9
9
9
9
9
10
5
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
62
63
65
68
70
73
75
76
78
80
82
84
86
88
90
91
92
91
89
86
83
80
75

Pressure (mb)

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

Ozone (du)

301
302
303
304
305
305
306
308
311
313
313
312
312
314
317
320
321
323
324
326
327
328
327
325

Forecast for Widecombe in the Moor, Devon, UK (50.58,-3.81)

Generated: 20/05/19 12:59:08. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00