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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 Bad
06 OK
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: 21:44 - 04:37. Nautical Dark: 22:40 - 03:40. Astro Dark: 00:06 - 02:12

Total Clouds (% Sky Obscured)

64
59
78
77
94
75
81
70
80
91
94
84
82
83
34
27
51
49
3
0
0
3
43
83

Low Clouds (% Sky Obscured)

52
43
63
67
83
48
25
13
6
7
2
1
0
0
0
0
0
0
0
0
0
3
9
30

Medium Clouds (% Sky Obscured)

42
55
58
59
83
56
70
70
76
63
8
2
5
40
33
15
23
36
1
0
0
0
0
1

High Clouds (% Sky Obscured)

0
0
0
0
20
25
26
0
18
77
94
84
82
82
5
23
42
27
3
0
0
0
38
76

ISS Passover

Visibility (miles)

2
0
0
3
7
9
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
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

Precipitation Probability (%)

14
48
47
18
16
11
6
3
2
1
0
0
0
0
1
1
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.33
0.37
0.62
0.68
0.46
0.22
0.1
0.04
0.02
0.01
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
58
61
64
64
63
63
66
69
72
74
76
78
80
81
83
84
86
86
80
70
62
57
52

Pressure (mb)

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

Ozone (du)

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

Tuesday 21

Waning Gibbous 89%

23:51

08:09

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

Sun - Rise: 05:17, Set: 21:04, Transit: 13:11. Moon - Rise: 23:51, Set: 08:09. Civil Dark: 21:45 - 04:36. Nautical Dark: 22:42 - 03:38. Astro Dark: 00:11 - 02:07

Total Clouds (% Sky Obscured)

96
100
97
94
91
96
50
46
34
20
39
48
75
92
90
82
81
51
44
19
21
52
73
84

Low Clouds (% Sky Obscured)

80
77
31
41
73
94
13
4
2
2
1
1
7
20
20
22
11
3
1
0
0
22
29
38

Medium Clouds (% Sky Obscured)

20
99
93
89
69
18
31
13
7
8
14
16
66
77
54
20
34
31
33
9
2
0
2
17

High Clouds (% Sky Obscured)

81
63
43
45
38
34
36
40
30
16
34
45
63
77
77
75
76
43
36
14
20
38
69
75

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
20
19
19
18
19
18
17
15
13
12
11
8
7
6
6
5
6
7
9
13
16
18
19

Dew Point (°C)

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

Relative Humidity (%)

50
50
52
54
55
55
56
60
64
69
74
78
82
87
90
92
95
97
94
83
70
58
53
50

Pressure (mb)

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

Ozone (du)

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

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: 21:05, Transit: 13:11. Moon - Rise: 00:42, Set: 09:04. Civil Dark: 21:47 - 04:34. Nautical Dark: 22:44 - 03:36. Astro Dark: 00:16 - 02:01

Total Clouds (% Sky Obscured)

86
96
98
77
81
93
36
35
57
78
73
94
98
99
99
99
91
95
95
95
95
95
95
95

Low Clouds (% Sky Obscured)

81
38
79
47
71
90
10
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

78
84
89
63
49
32
7
13
20
13
17
2
2
5
55
81
85
82
73
73
73
73
73
73

High Clouds (% Sky Obscured)

29
30
23
34
32
32
30
28
49
76
69
94
98
99
99
99
70
92
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
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
2
2
2
1
1
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
21
21
20
20
19
17
14
12
11
10
9
9
9
9
9
10
10
12
14
16
17
17

Feels Like (°C)

20
20
21
21
20
20
19
17
14
12
11
9
9
9
9
9
9
9
10
12
14
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

47
45
44
45
45
46
47
53
59
67
72
75
77
78
77
77
80
83
83
77
68
60
59
59

Pressure (mb)

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

Ozone (du)

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

Thursday 23

Waning Gibbous 73%

01:23

10:05

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 OK
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: 13:11. Moon - Rise: 01:23, Set: 10:05. Civil Dark: 21:48 - 04:33. Nautical Dark: 22:46 - 03:35. Astro Dark: 00:21 - 01:56

Total Clouds (% Sky Obscured)

76
76
76
76
76
76
91
91
91
91
91
91
43
43
43
43
43
43
81
81
81
81
81
81

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
8
8
8
8
8
8
37
37
37
37
37
37
79
79
79
79
79
79

Medium Clouds (% Sky Obscured)

70
70
70
70
70
70
91
91
91
91
91
91
17
17
17
17
17
17
13
13
13
13
13
13

High Clouds (% Sky Obscured)

56
56
56
56
56
56
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
10
10
10
10
10
8
6
5
3
3
2
3
6
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
2
2
2
3
4
6
0
0
2
2
2
4
6
17
26
47
64
60
35
28
23
16
11

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.02
0.06
0.1
0
0
0.01
0.01
0.01
0.02
0.05
0.13
0.24
0.37
0.5
0.55
0.46
0.43
0.51
0.58
0.61

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
54
49
47
50
54
59
63
71
76
78
80
82
82
82
81
83
83
83
81
80
78
76
74

Pressure (mb)

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

Ozone (du)

343
344
345
345
344
342
341
341
341
341
340
337
336
336
338
339
339
339
339
341
342
343
344
345

Friday 24

Waning Gibbous 64%

01:56

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

Sun - Rise: 05:14, Set: 21:08, Transit: 13:11. Moon - Rise: 01:56, Set: 11:08. Civil Dark: 21:50 - 04:32. Nautical Dark: 22:48 - 03:33. Astro Dark: 00:27 - 01:49

Total Clouds (% Sky Obscured)

98
98
98
98
98
98
99
99
99
99
99
99
17
17
17
17
17
17
86
86
86
86
86
86

Low Clouds (% Sky Obscured)

4
4
4
4
4
4
12
12
12
12
12
12
17
17
17
17
17
17
3
3
3
3
3
3

Medium Clouds (% Sky Obscured)

94
94
94
94
94
94
99
99
99
99
99
99
0
0
0
0
0
0
45
45
45
45
45
45

High Clouds (% Sky Obscured)

92
92
92
92
92
92
0
0
0
0
0
0
0
0
0
0
0
0
78
78
78
78
78
78

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

11
8
4
2
2
1
1
0
0
0
0
0
3
3
3
3
3
3
3
2
0
0
0
0

Precipitation Amount (mm)

0.55
0.36
0.15
0.05
0.02
0.01
0.01
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
67
63
61
62
63
66
70
76
79
81
83
85
85
85
86
88
88
86
80
72
66
62
60

Pressure (mb)

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

Ozone (du)

344
341
337
334
332
331
329
326
322
318
315
312
309
308
307
305
302
300
297
296
295
294
294
295

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: 21:09, Transit: 13:12. Moon - Rise: 02:24, Set: 12:12. Civil Dark: 21:51 - 04:31. Nautical Dark: 22:50 - 03:31. Astro Dark: 00:34 - 01:42

Total Clouds (% Sky Obscured)

81
81
81
81
81
81
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

81
81
81
81
81
81
12
12
12
12
12
12
97
97
97
97
97
97
69
69
69
69
69
69

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
13
13
13
13
13
13
94
94
94
94
94
94
55
55
55
55
55
55

High Clouds (% Sky Obscured)

0
0
0
0
0
0
100
100
100
100
100
100
64
64
64
64
64
64
95
95
95
95
95
95

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
2
1
1
0
0
0
0
0
2
4
6
9
12
14
9
5
2
0
0
2
3
2

Precipitation Amount (mm)

0
0
0.01
0.01
0.01
0
0
0
0
0
0.01
0.02
0.03
0.06
0.1
0.11
0.07
0.02
0.01
0
0
0.01
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
54
53
53
55
57
59
63
67
73
77
82
86
88
89
90
91
90
88
82
75
71
70
69

Pressure (mb)

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

Ozone (du)

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

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: 21:10, Transit: 13:12. Moon - Rise: 02:47, Set: No Set. Civil Dark: 21:53 - 04:29. Nautical Dark: 22:52 - 03:29. Astro Dark: 00:41 - 01:33

Total Clouds (% Sky Obscured)

80
80
80
80
80
80
97
97
97
97
97
97
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
2
2
74
74
74
74
74
74
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

16
16
16
16
16
16
78
78
78
78
78
78
51
51
51
51
51
51
70
70
70
70
70
70

High Clouds (% Sky Obscured)

77
77
77
77
77
77
56
56
56
56
56
56
0
0
0
0
0
0
84
84
84
84
84
84

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
7
6
5
5
5
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
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 (%)

2
2
1
0
1
2
3
3
3
3
3
4
4
4
4
4
5
11
23
33
39
42
43
42

Precipitation Amount (mm)

0.02
0.01
0.01
0
0.01
0.02
0.02
0.02
0.02
0.02
0.03
0.03
0.04
0.04
0.04
0.05
0.06
0.08
0.12
0.18
0.26
0.34
0.36
0.39

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
61
57
55
57
61
65
68
71
73
75
77
79
80
82
83
85
86
85
83
80
78
76
74

Pressure (mb)

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

Ozone (du)

297
298
298
299
299
299
299
302
305
307
308
309
309
311
313
314
314
314
313
311
310
308
308
308

Forecast for Buckfastleigh, Devon, UK (50.48,-3.78)

Generated: 20/05/19 13:52:06. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00