Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

22:52

07:18

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

Sun - Rise: 05:16, Set: 21:03, Transit: 13:10. Moon - Rise: 22:52, Set: 07:18. Civil Dark: 21:44 - 04:35. Nautical Dark: 22:41 - 03:37. Astro Dark: 00:11 - 02:05

Total Clouds (% Sky Obscured)

56
60
57
56
44
50
49
41
57
85
89
91
94
43
85
83
76
13
1
0
23
51
85
87

Low Clouds (% Sky Obscured)

38
42
30
34
27
14
7
3
2
1
1
3
6
7
8
7
4
2
0
0
23
51
59
27

Medium Clouds (% Sky Obscured)

50
56
55
51
36
32
28
23
21
22
1
0
6
9
41
70
71
9
0
0
0
0
0
63

High Clouds (% Sky Obscured)

0
0
0
0
3
22
29
24
45
81
89
91
93
38
83
68
27
6
1
0
0
1
64
59

ISS Passover

Visibility (miles)

5
5
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
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 (%)

14
33
16
13
8
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.19
0.67
0.25
0.2
0.12
0.07
0.03
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
9
9
8
8
7
6
6
5
5
5
5
6
6
7
7
8
8
8
8
8

Relative Humidity (%)

53
55
57
58
59
60
61
63
66
68
71
73
75
77
79
81
82
81
73
64
57
52
48
45

Pressure (mb)

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

Ozone (du)

360
358
357
355
354
354
354
354
354
354
354
354
354
354
355
358
361
363
361
358
355
352
348
346

Tuesday 21

Waning Gibbous 89%

23:52

08:07

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

Sun - Rise: 05:15, Set: 21:04, Transit: 13:10. Moon - Rise: 23:52, Set: 08:07. Civil Dark: 21:46 - 04:33. Nautical Dark: 22:43 - 03:35. Astro Dark: 00:16 - 01:59

Total Clouds (% Sky Obscured)

85
97
67
53
40
50
58
52
35
31
42
66
81
87
87
98
94
88
50
29
20
60
93
97

Low Clouds (% Sky Obscured)

2
21
1
3
10
11
16
12
6
2
1
0
0
2
5
34
87
79
27
5
8
24
66
91

Medium Clouds (% Sky Obscured)

74
97
48
16
8
16
15
3
8
15
11
54
77
63
49
85
49
52
29
27
9
19
27
86

High Clouds (% Sky Obscured)

41
20
35
43
30
41
47
45
28
23
38
59
56
74
81
97
65
45
30
2
8
45
77
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
1
1
1
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
21
20
20
19
18
15
13
11
10
10
9
8
8
8
9
10
13
16
18
19
20
21

Feels Like (°C)

21
21
21
20
20
19
18
15
13
11
10
8
7
7
7
7
8
9
13
16
18
19
20
21

Dew Point (°C)

8
8
8
8
8
8
8
7
7
7
7
7
7
7
6
7
7
8
8
8
8
7
7
7

Relative Humidity (%)

43
42
43
44
45
47
52
59
67
73
79
84
87
89
89
91
92
87
73
59
50
46
43
42

Pressure (mb)

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

Ozone (du)

344
342
341
341
340
340
338
337
335
333
332
331
330
329
329
329
330
330
331
333
334
336
339
340

Wednesday 22

Waning Gibbous 81%

00:42

09:02

14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Bad
20 OK
21 Bad
22 OK
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: 21:05, Transit: 13:10. Moon - Rise: 00:42, Set: 09:02. Civil Dark: 21:47 - 04:32. Nautical Dark: 22:46 - 03:33. Astro Dark: 00:22 - 01:53

Total Clouds (% Sky Obscured)

96
92
95
91
45
60
25
52
30
73
58
76
98
99
99
96
92
97
97
97
97
97
97
97

Low Clouds (% Sky Obscured)

86
38
70
85
19
13
10
9
4
1
0
0
0
0
1
2
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

95
86
92
71
20
6
9
14
15
2
2
3
6
7
34
66
81
89
89
89
89
89
89
97

High Clouds (% Sky Obscured)

19
41
32
29
34
56
16
44
20
73
58
76
98
99
99
95
86
95
95
95
95
95
95
52

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
40
39
39
39
40
44
52
59
63
66
67
67
66
65
68
70
68
61
52
46
44
44
43

Pressure (mb)

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

Ozone (du)

338
336
334
334
335
336
334
332
331
332
333
335
338
341
343
341
337
334
335
337
339
340
342
343

Thursday 23

Waning Gibbous 73%

01:23

10:03

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

Sun - Rise: 05:13, Set: 21:07, Transit: 13:10. Moon - Rise: 01:23, Set: 10:03. Civil Dark: 21:49 - 04:31. Nautical Dark: 22:48 - 03:31. Astro Dark: 00:28 - 01:46

Total Clouds (% Sky Obscured)

97
97
97
97
97
91
91
91
91
91
91
21
21
21
21
21
21
96
96
96
96
96
96
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
14
14
14
14
14
14
3
3
3
3
3
3
96
96
96
96
96
96
31

Medium Clouds (% Sky Obscured)

97
97
97
97
97
91
91
91
91
91
91
20
20
20
20
20
20
2
2
2
2
2
2
99

High Clouds (% Sky Obscured)

52
52
52
52
52
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
88

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
9
7
6
5
4
4
4
7
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
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

Precipitation Probability (%)

0
0
0
1
1
2
0
0
0
0
0
2
4
12
20
39
55
46
26
21
18
13
11
10

Precipitation Amount (mm)

0
0
0
0.01
0.03
0.04
0
0
0
0
0
0.01
0.04
0.11
0.2
0.26
0.29
0.29
0.25
0.28
0.39
0.54
0.68
0.68

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
22
22
21
20
19
17
15
14
13
12
12
13
13
13
13
14
14
15
15
16
16
16

Feels Like (°C)

21
22
22
22
21
20
19
17
15
14
13
12
12
13
13
13
13
14
14
15
15
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

41
38
38
40
45
51
56
66
74
79
82
84
85
85
84
84
83
82
80
79
77
75
72
70

Pressure (mb)

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

Ozone (du)

344
344
345
345
345
344
345
345
345
343
340
339
339
341
343
344
345
346
347
348
349
350
350
349

Friday 24

Waning Gibbous 64%

01:56

11:06

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: 05:12, Set: 21:08, Transit: 13:11. Moon - Rise: 01:56, Set: 11:06. Civil Dark: 21:50 - 04:29. Nautical Dark: 22:50 - 03:29. Astro Dark: 00:35 - 01:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
96
96
96
96
96
84
84
84
84
84
84
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

31
31
31
31
31
26
26
26
26
26
26
81
81
81
81
81
81
100
100
100
100
100
100
98

Medium Clouds (% Sky Obscured)

99
99
99
99
99
95
95
95
95
95
95
0
0
0
0
0
0
18
18
18
18
18
18
33

High Clouds (% Sky Obscured)

88
88
88
88
88
0
0
0
0
0
0
38
38
38
38
38
38
5
5
5
5
5
5
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
9
7
9
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
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 (%)

8
4
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.43
0.16
0.04
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
18
18
18
17
16
14
13
13
12
12
12
12
12
12
12
13
15
17
18
20
20
21

Feels Like (°C)

17
18
18
18
18
17
16
14
13
13
12
12
12
12
12
12
12
13
15
17
18
20
20
21

Dew Point (°C)

11
11
11
11
11
11
11
10
10
10
10
11
10
10
10
10
11
11
11
12
12
12
12
12

Relative Humidity (%)

67
65
63
64
66
69
72
77
82
85
87
89
90
90
90
91
90
87
80
73
68
64
61
58

Pressure (mb)

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

Ozone (du)

347
343
340
337
335
333
330
326
323
319
315
312
310
308
307
304
301
299
297
295
294
294
295
296

Saturday 25

Waning Gibbous 54%

02:23

12:11

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: 05:11, Set: 21:09, Transit: 13:11. Moon - Rise: 02:23, Set: 12:11. Civil Dark: 21:52 - 04:28. Nautical Dark: 22:52 - 03:28. Astro Dark: 00:44 - 01:26

Total Clouds (% Sky Obscured)

99
99
99
99
99
88
88
88
88
88
88
100
100
100
100
100
100
98
98
98
98
98
98
92

Low Clouds (% Sky Obscured)

98
98
98
98
98
20
20
20
20
20
20
98
98
98
98
98
98
40
40
40
40
40
40
84

Medium Clouds (% Sky Obscured)

33
33
33
33
33
12
12
12
12
12
12
98
98
98
98
98
98
41
41
41
41
41
41
51

High Clouds (% Sky Obscured)

0
0
0
0
0
85
85
85
85
85
85
91
91
91
91
91
91
95
95
95
95
95
95
36

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
9
7
6
6
6
8
10
10
10
9
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
3
5
7
10
11
8
4
0
0
0
0
2
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
22
21
20
20
18
16
14
14
13
13
13
12
12
12
12
13
15
18
19
20
20
20

Feels Like (°C)

22
22
22
21
20
20
18
16
14
14
13
13
13
12
12
12
12
13
15
18
19
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

55
54
54
56
57
59
64
71
78
82
86
89
92
93
96
96
94
89
81
73
68
66
64
62

Pressure (mb)

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

Ozone (du)

296
297
297
296
296
296
295
295
295
294
293
292
292
293
293
293
293
294
295
296
297
298
298
299

Sunday 26

Third Quarter 45%

02:47

13:16

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: 05:10, Set: 21:11, Transit: 13:11. Moon - Rise: 02:47, Set: 13:16. Civil Dark: 21:53 - 04:27. Nautical Dark: 22:54 - 03:26. Astro Dark: 00:56 - N/A

Total Clouds (% Sky Obscured)

92
92
92
92
92
95
95
95
95
95
95
100
100
100
100
100
100
97
97
97
97
97
97
100

Low Clouds (% Sky Obscured)

84
84
84
84
84
16
16
16
16
16
16
100
100
100
100
100
100
95
95
95
95
95
95
100

Medium Clouds (% Sky Obscured)

51
51
51
51
51
77
77
77
77
77
77
69
69
69
69
69
69
83
83
83
83
83
83
52

High Clouds (% Sky Obscured)

36
36
36
36
36
80
80
80
80
80
80
2
2
2
2
2
2
9
9
9
9
9
9
94

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
7
6
5
5
5

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

Precipitation Probability (%)

1
0
0
0
0
2
0
0
0
0
2
3
3
2
2
2
3
6
13
32
41
41
41
43

Precipitation Amount (mm)

0.01
0
0
0
0
0.01
0
0
0
0
0.01
0.02
0.02
0.02
0.02
0.02
0.02
0.03
0.06
0.17
0.3
0.34
0.32
0.39

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
23
23
22
21
20
19
18
17
17
16
15
15
15
14
14
14
14
15
16
16
16
16
17

Feels Like (°C)

22
23
23
22
21
20
19
18
17
17
16
15
15
15
14
14
14
14
15
16
16
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

58
55
53
55
58
63
65
67
70
72
75
77
79
81
84
85
86
85
82
79
76
74
72
69

Pressure (mb)

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

Ozone (du)

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

Forecast for Exeter, Devon, UK (50.72,-3.53)

Generated: 20/05/19 14:28:15. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00