Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

22:45

07:12

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

Sun - Rise: 05:11, Set: 20:56, Transit: 13:04. Moon - Rise: 22:45, Set: 07:12. Civil Dark: 21:37 - 04:29. Nautical Dark: 22:34 - 03:32. Astro Dark: 00:02 - 02:01

Total Clouds (% Sky Obscured)

52
46
41
35
35
30
29
26
23
22
24
34
75
93
93
91
84
22
20
34
44
16
6
8

Low Clouds (% Sky Obscured)

43
35
22
2
9
17
13
13
16
14
13
13
2
0
0
3
6
0
0
2
2
1
1
8

Medium Clouds (% Sky Obscured)

41
31
35
33
33
26
26
23
22
21
23
19
10
1
0
2
12
6
4
16
31
2
0
0

High Clouds (% Sky Obscured)

0
5
2
4
2
1
0
0
0
0
0
17
72
93
93
91
83
18
19
31
26
16
5
0

ISS Passover

Visibility (miles)

6
6
6
7
7
8
9
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
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

Precipitation Probability (%)

43
40
34
31
31
29
24
18
11
6
4
2
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.35
0.18
0.37
0.35
0.33
0.29
0.25
0.19
0.12
0.07
0.04
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
4
5
6
8
10
7
7
8
7
8
9
10
11
11
12
12
12
11
10
8
7
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
68
69
69
70
72
74
76
77
78
80
82
84
85
85
83
79
75
72
69
66
63
60

Pressure (mb)

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

Ozone (du)

361
359
357
355
354
352
351
350
348
347
347
347
347
348
349
350
350
351
353
355
357
359
358
356

Tuesday 21

Waning Gibbous 89%

23:45

08:01

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

Sun - Rise: 05:09, Set: 20:57, Transit: 13:04. Moon - Rise: 23:45, Set: 08:01. Civil Dark: 21:39 - 04:28. Nautical Dark: 22:36 - 03:30. Astro Dark: 00:07 - 01:56

Total Clouds (% Sky Obscured)

34
43
55
21
20
49
8
17
44
70
80
67
56
74
83
88
84
94
98
81
75
51
51
36

Low Clouds (% Sky Obscured)

34
3
1
1
1
1
2
2
3
2
2
2
1
3
16
34
28
31
10
2
1
2
1
14

Medium Clouds (% Sky Obscured)

2
43
55
21
20
49
8
5
4
4
4
4
9
51
66
83
80
77
85
68
41
33
47
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
13
41
68
79
66
53
70
76
74
57
88
97
64
68
41
13
7

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
9
9
9
11
9
9
10
9
9
8
7
6
5
5
4
4
3
2
2
4
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
54
53
52
54
57
61
66
70
74
76
78
79
79
77
75
73
72
71
70
69
67
63
57

Pressure (mb)

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

Ozone (du)

354
351
347
343
341
340
338
336
335
333
332
331
330
330
329
329
329
330
330
330
330
331
333
334

Wednesday 22

Waning Gibbous 82%

00:35

08:56

13 Bad
14 Bad
15 Bad
16 OK
17 Bad
18 OK
19 OK
20 OK
21 OK
22 Good
23 Good
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: 05:08, Set: 20:59, Transit: 13:04. Moon - Rise: 00:35, Set: 08:56. Civil Dark: 21:40 - 04:26. Nautical Dark: 22:38 - 03:28. Astro Dark: 00:12 - 01:50

Total Clouds (% Sky Obscured)

56
84
70
25
53
42
47
48
27
17
19
57
53
66
80
94
99
100
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

4
2
3
5
2
6
22
5
2
3
4
2
1
2
3
2
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

18
11
8
11
23
23
27
17
10
11
13
9
2
7
32
31
23
50
79
79
79
79
79
79

High Clouds (% Sky Obscured)

46
82
67
15
41
27
23
38
23
8
6
53
52
64
74
93
99
100
99
99
99
99
99
99

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)

8
9
9
9
8
7
6
6
6
5
5
5
5
4
4
3
2
2
2
2
3
3
4
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
10
9
9
9
9

Relative Humidity (%)

53
53
54
55
56
57
59
63
67
72
75
78
80
82
83
83
83
82
80
75
67
61
56
53

Pressure (mb)

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

Ozone (du)

336
337
339
339
339
337
336
335
335
335
333
332
332
335
339
342
342
340
338
337
336
336
336
337

Thursday 23

Waning Gibbous 73%

01:16

09:57

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: 05:07, Set: 21:00, Transit: 13:04. Moon - Rise: 01:16, Set: 09:57. Civil Dark: 21:42 - 04:25. Nautical Dark: 22:40 - 03:26. Astro Dark: 00:18 - 01:44

Total Clouds (% Sky Obscured)

88
88
88
88
88
88
73
73
73
73
73
73
76
76
76
76
76
76
41
41
41
41
41
41

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
1
1
1
1
1
1
12
12
12
12
12
12
41
41
41
41
41
41

Medium Clouds (% Sky Obscured)

71
71
71
71
71
71
25
25
25
25
25
25
75
75
75
75
75
75
1
1
1
1
1
1

High Clouds (% Sky Obscured)

83
83
83
83
83
83
69
69
69
69
69
69
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
6
5
4
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
18
38
45
51
54
53
44
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.05
0.12
0.25
0.39
0.55
0.71
0.74
0.56
0.39

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
51
53
55
57
59
62
66
72
75
78
82
84
87
87
87
88
87
86
83
79
75
74
74

Pressure (mb)

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

Ozone (du)

338
340
344
346
348
350
351
350
348
346
345
344
343
342
342
343
345
349
352
354
355
356
359
361

Friday 24

Waning Gibbous 64%

01:49

11:00

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: 05:06, Set: 21:01, Transit: 13:04. Moon - Rise: 01:49, Set: 11:00. Civil Dark: 21:43 - 04:24. Nautical Dark: 22:42 - 03:24. Astro Dark: 00:24 - 01:37

Total Clouds (% Sky Obscured)

90
90
90
90
90
90
100
100
100
100
100
100
4
4
4
4
4
4
82
82
82
82
82
82

Low Clouds (% Sky Obscured)

39
39
39
39
39
39
94
94
94
94
94
94
2
2
2
2
2
2
80
80
80
80
80
80

Medium Clouds (% Sky Obscured)

84
84
84
84
84
84
100
100
100
100
100
100
0
0
0
0
0
0
11
11
11
11
11
11

High Clouds (% Sky Obscured)

32
32
32
32
32
32
1
1
1
1
1
1
2
2
2
2
2
2
5
5
5
5
5
5

ISS Passover

Visibility (miles)

6
9
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
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
None

Precipitation Probability (%)

27
18
11
6
4
3
2
1
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0

Precipitation Amount (mm)

0.32
0.21
0.11
0.07
0.04
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
67
64
65
66
70
72
76
79
81
83
85
88
90
90
90
88
85
80
74
70
67
64

Pressure (mb)

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

Ozone (du)

361
358
354
350
349
348
347
345
342
339
334
329
325
321
318
316
314
312
310
309
307
305
303
301

Saturday 25

Waning Gibbous 54%

02:17

12:04

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: 05:05, Set: 21:03, Transit: 13:04. Moon - Rise: 02:17, Set: 12:04. Civil Dark: 21:45 - 04:22. Nautical Dark: 22:44 - 03:23. Astro Dark: 00:32 - 01:28

Total Clouds (% Sky Obscured)

48
48
48
48
48
48
77
77
77
77
77
77
76
76
76
76
76
76
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

14
14
14
14
14
14
24
24
24
24
24
24
9
9
9
9
9
9
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

41
41
41
41
41
41
16
16
16
16
16
16
60
60
60
60
60
60
89
89
89
89
89
89

High Clouds (% Sky Obscured)

16
16
16
16
16
16
69
69
69
69
69
69
58
58
58
58
58
58
95
95
95
95
95
95

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
9
9
8
6
5
3
2
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.05
0.06
0.05
0.04
0.03
0.01
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
61
60
61
62
63
65
67
71
74
77
79
82
86
89
90
90
90
89
85
80
76
74
72

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

299
298
297
297
296
296
295
295
294
294
293
293
292
292
291
291
292
292
293
294
296
297
298
299

Sunday 26

Third Quarter 45%

02:40

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: 05:04, Set: 21:04, Transit: 13:04. Moon - Rise: 02:40, Set: No Set. Civil Dark: 21:46 - 04:21. Nautical Dark: 22:46 - 03:21. Astro Dark: 00:41 - 01:12

Total Clouds (% Sky Obscured)

93
93
93
93
93
93
75
75
75
75
75
75
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
9
9
9
9
9
0
0
0
0
0
0
99
99
99
99
99
99
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

10
10
10
10
10
10
31
31
31
31
31
31
63
63
63
63
63
63
18
18
18
18
18
18

High Clouds (% Sky Obscured)

92
92
92
92
92
92
63
63
63
63
63
63
22
22
22
22
22
22
2
2
2
2
2
2

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

Precipitation Probability (%)

1
1
2
2
2
0
0
0
0
0
0
0
0
0
0
2
4
6
7
7
5
6
3
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
16
17
17
17
17
18
18
17
17
17
16
16
16
16
15
15
15
15
15
15
15
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12

Relative Humidity (%)

70
69
68
68
67
67
68
70
73
75
77
79
81
84
86
87
88
87
85
82
80
77
75
72

Pressure (mb)

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

Ozone (du)

300
301
301
301
301
301
301
302
304
306
307
308
309
311
312
312
312
312
311
310
309
308
308
307

Forecast for Swanage, Dorset, UK (50.61,-1.96)

Generated: 20/05/19 13:15:31. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00