Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

22:51

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 Good
05 OK
06 OK
07 Good
08 Good
09 Good
10 OK
11 Bad
12 Bad

Sun - Rise: 05:18, Set: 21:02, Transit: 13:11. Moon - Rise: 22:51, Set: 07:20. Civil Dark: 21:43 - 04:37. Nautical Dark: 22:39 - 03:40. Astro Dark: 00:05 - 02:12

Total Clouds (% Sky Obscured)

52
61
56
60
59
66
59
94
89
94
95
93
86
78
21
4
34
29
11
0
0
36
58
91

Low Clouds (% Sky Obscured)

39
50
43
25
45
25
30
20
14
1
1
1
0
0
0
0
0
0
0
0
0
36
34
61

Medium Clouds (% Sky Obscured)

46
44
50
58
40
53
54
94
85
61
5
2
2
25
21
0
3
13
0
0
0
0
0
17

High Clouds (% Sky Obscured)

0
0
0
0
7
24
0
0
20
83
95
93
86
77
0
4
32
22
11
0
0
0
38
76

ISS Passover

Visibility (miles)

4
2
2
6
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
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

Precipitation Probability (%)

11
98
43
14
13
10
6
3
2
1
1
0
0
0
1
1
1
2
2
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.56
0.54
0.44
0.32
0.16
0.08
0.04
0.02
0.01
0.01
0
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
19
18
17
17
17
16
14
13
12
12
11
8
7
6
6
6
7
11
13
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

57
58
59
61
62
63
65
67
68
70
72
74
75
78
80
82
84
85
83
78
69
62
58
53

Pressure (mb)

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

Ozone (du)

360
359
357
355
354
353
353
353
353
353
353
352
352
352
353
354
356
360
361
359
356
352
350
347

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

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

Total Clouds (% Sky Obscured)

98
95
76
59
66
51
54
43
27
18
45
57
81
95
92
82
85
53
46
25
23
41
71
82

Low Clouds (% Sky Obscured)

88
30
15
2
44
28
13
6
0
1
5
16
34
38
30
31
22
8
2
0
0
3
21
32

Medium Clouds (% Sky Obscured)

49
70
49
20
7
2
33
16
9
7
12
13
61
79
62
19
22
27
33
6
1
0
0
1

High Clouds (% Sky Obscured)

84
70
50
49
39
34
40
36
23
13
38
48
68
81
79
73
80
45
38
23
23
40
65
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
0
2
2
2
2
2
1
1
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
19
19
18
18
18
16
15
14
13
11
10
8
7
6
6
6
7
10
13
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

51
51
53
55
56
57
59
63
65
69
72
76
80
85
89
93
95
95
91
82
70
60
55
52

Pressure (mb)

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

Ozone (du)

345
343
342
341
341
341
340
339
337
336
334
333
331
330
330
329
329
329
330
331
332
334
336
338

Wednesday 22

Waning Gibbous 81%

00:41

09:04

13 Bad
14 OK
15 Bad
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
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: 00:41, Set: 09:04. Civil Dark: 21:46 - 04:34. Nautical Dark: 22:44 - 03:36. Astro Dark: 00:14 - 02:02

Total Clouds (% Sky Obscured)

51
44
70
50
41
48
49
26
45
80
84
100
99
100
99
98
95
95
95
95
95
95
95
95

Low Clouds (% Sky Obscured)

33
6
31
6
3
10
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

9
8
22
9
8
10
13
3
13
15
23
2
1
7
70
88
89
78
73
73
73
73
73
73

High Clouds (% Sky Obscured)

29
39
55
45
35
41
45
25
41
79
81
100
99
100
99
97
84
92
92
92
92
92
92
92

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

Precipitation Amount (mm)

0
0
0
0
0
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
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
47
46
46
47
48
50
55
61
67
72
75
78
79
80
80
81
82
81
76
68
61
60
60

Pressure (mb)

1022
1021
1021
1021
1020
1020
1020
1020
1020
1021
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

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

Thursday 23

Waning Gibbous 73%

01:22

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

Sun - Rise: 05:15, Set: 21:06, Transit: 13:11. Moon - Rise: 01:22, Set: 10:05. Civil Dark: 21:48 - 04:33. Nautical Dark: 22:46 - 03:35. Astro Dark: 00:20 - 01:57

Total Clouds (% Sky Obscured)

93
93
93
93
93
93
91
91
91
91
91
91
25
25
25
25
25
25
84
84
84
84
84
84

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
1
1
15
15
15
15
15
15
82
82
82
82
82
82

Medium Clouds (% Sky Obscured)

87
87
87
87
87
87
91
91
91
91
91
91
16
16
16
16
16
16
27
27
27
27
27
27

High Clouds (% Sky Obscured)

86
86
86
86
86
86
1
1
1
1
1
1
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
10
8
6
5
4
4
5
7
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
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
1
2
2
3
4
6
0
0
0
0
0
3
5
14
23
42
57
52
30
24
21
16
11

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.02
0.05
0.08
0
0
0
0
0
0.01
0.04
0.12
0.22
0.31
0.39
0.41
0.35
0.35
0.44
0.54
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
56
52
50
52
55
61
64
73
76
78
79
80
81
82
82
82
82
81
80
78
76
74
72

Pressure (mb)

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

Ozone (du)

343
344
345
346
345
343
342
342
342
342
340
337
336
336
338
339
339
339
340
341
342
344
345
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 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:14, Set: 21:07, Transit: 13:11. Moon - Rise: 01:56, Set: 11:08. Civil Dark: 21:49 - 04:32. Nautical Dark: 22:48 - 03:33. Astro Dark: 00:25 - 01:51

Total Clouds (% Sky Obscured)

98
98
98
98
98
98
100
100
100
100
100
100
2
2
2
2
2
2
89
89
89
89
89
89

Low Clouds (% Sky Obscured)

6
6
6
6
6
6
10
10
10
10
10
10
1
1
1
1
1
1
11
11
11
11
11
11

Medium Clouds (% Sky Obscured)

90
90
90
90
90
90
100
100
100
100
100
100
0
0
0
0
0
0
59
59
59
59
59
59

High Clouds (% Sky Obscured)

94
94
94
94
94
94
0
0
0
0
0
0
1
1
1
1
1
1
79
79
79
79
79
79

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
9
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
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
1
1
1
0
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0
0

Precipitation Amount (mm)

0.56
0.36
0.14
0.04
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
67
64
61
60
61
64
70
75
77
80
81
83
84
85
85
85
86
84
79
72
66
63
61

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
342
338
335
333
332
330
327
323
319
315
312
310
308
307
305
303
300
298
296
295
295
295
295

Saturday 25

Waning Gibbous 54%

02:23

12:12

13 Good
14 Good
15 Good
16 OK
17 Good
18 Good
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: 13:11. Moon - Rise: 02:23, Set: 12:12. Civil Dark: 21:51 - 04:31. Nautical Dark: 22:50 - 03:31. Astro Dark: 00:31 - 01:44

Total Clouds (% Sky Obscured)

15
15
15
15
15
15
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

14
14
14
14
14
14
9
9
9
9
9
9
100
100
100
100
100
100
78
78
78
78
78
78

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
7
7
7
7
7
7
89
89
89
89
89
89
64
64
64
64
64
64

High Clouds (% Sky Obscured)

0
0
0
0
0
0
100
100
100
100
100
100
73
73
73
73
73
73
95
95
95
95
95
95

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
9
8
9
9
9
9
8
8
8
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
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
0
0
0
0
0
0
0
3
5
7
10
11
8
4
0
0
0
2
2
2

Precipitation Amount (mm)

0
0
0
0.01
0
0
0
0
0
0
0
0.01
0.02
0.04
0.08
0.09
0.05
0.01
0
0
0
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
22
22
22
22
21
20
19
18
16
15
15
14
13
13
13
13
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 (%)

58
56
54
54
55
56
59
63
67
72
76
80
84
87
89
89
90
90
88
82
76
72
70
68

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

Sunday 26

Third Quarter 45%

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: 13:11. Moon - Rise: 02:47, Set: No Set. Civil Dark: 21:52 - 04:29. Nautical Dark: 22:51 - 03:29. Astro Dark: 00:39 - 01:36

Total Clouds (% Sky Obscured)

84
84
84
84
84
84
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
2
2
87
87
87
87
87
87
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

36
36
36
36
36
36
73
73
73
73
73
73
45
45
45
45
45
45
46
46
46
46
46
46

High Clouds (% Sky Obscured)

77
77
77
77
77
77
55
55
55
55
55
55
0
0
0
0
0
0
98
98
98
98
98
98

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
8
8
7
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
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
1
0
0
0
2
2
2
3
3
2
3
4
4
4
4
5
9
17
25
30
32
32
32

Precipitation Amount (mm)

0.01
0.01
0
0
0
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.03
0.03
0.04
0.04
0.05
0.06
0.08
0.12
0.18
0.23
0.24
0.25

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
63
59
57
59
62
66
68
72
74
75
77
79
80
81
82
83
84
84
81
78
76
74
72

Pressure (mb)

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

Ozone (du)

297
298
299
299
299
299
300
302
304
307
308
308
309
311
313
314
314
314
313
311
310
309
308
309

Forecast for Totnes, Devon, UK (50.43,-3.69)

Generated: 20/05/19 13:48:43. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00