Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

22:51

07:15

14 Bad
15 Bad
16 Bad
17 Bad
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 OK
08 Good
09 Good
10 OK
11 OK
12 Good
13 OK

Sun - Rise: 05:13, Set: 21:02, Transit: 13:09. Moon - Rise: 22:51, Set: 07:15. Civil Dark: 21:44 - 04:31. Nautical Dark: 22:42 - 03:33. Astro Dark: 00:17 - 01:54

Total Clouds (% Sky Obscured)

47
52
66
47
38
31
26
41
59
84
89
92
95
96
90
91
84
42
10
3
23
21
19
48

Low Clouds (% Sky Obscured)

34
38
56
31
15
9
4
2
2
2
1
1
1
2
2
4
3
1
2
3
23
21
13
14

Medium Clouds (% Sky Obscured)

41
44
44
42
35
28
23
18
13
11
6
1
0
4
17
66
81
41
0
0
0
0
0
1

High Clouds (% Sky Obscured)

0
0
0
0
0
1
3
27
52
82
88
92
95
96
89
88
55
5
9
0
0
0
6
40

ISS Passover

Visibility (miles)

6
7
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
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 (%)

8
8
9
8
5
3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.05
0.08
0.06
0.06
0.04
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
8
8
9
9
10
9
9
8
7
7
6
6
6
6
5
5
4
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
9
8
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8

Relative Humidity (%)

49
48
50
52
53
54
56
57
61
67
74
80
83
85
86
87
86
83
74
64
57
53
50
47

Pressure (mb)

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

Ozone (du)

359
358
357
356
354
354
353
354
354
354
354
355
355
355
356
358
361
362
362
361
359
355
350
346

Tuesday 21

Waning Gibbous 89%

23:51

08:03

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

Sun - Rise: 05:12, Set: 21:04, Transit: 13:09. Moon - Rise: 23:51, Set: 08:03. Civil Dark: 21:46 - 04:30. Nautical Dark: 22:45 - 03:31. Astro Dark: 00:23 - 01:47

Total Clouds (% Sky Obscured)

41
30
34
41
29
41
58
59
48
37
23
33
52
59
72
95
97
78
56
30
29
68
94
96

Low Clouds (% Sky Obscured)

20
23
7
6
10
2
0
1
2
4
3
1
0
0
0
0
0
0
0
0
2
62
91
88

Medium Clouds (% Sky Obscured)

5
8
23
27
16
4
11
1
0
8
6
16
42
56
56
75
89
62
42
23
27
18
66
61

High Clouds (% Sky Obscured)

27
9
15
21
13
38
55
59
48
31
19
29
41
29
54
92
95
56
45
13
2
4
23
70

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
1

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
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
21
21
21
20
19
18
15
14
12
12
11
10
8
8
9
9
11
13
16
18
19
20
20

Dew Point (°C)

8
7
7
7
7
8
7
7
7
7
7
7
7
7
7
7
8
8
8
7
7
7
7
8

Relative Humidity (%)

44
42
41
41
43
47
51
58
64
70
74
78
81
84
86
87
87
82
71
58
49
46
45
44

Pressure (mb)

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

Ozone (du)

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

Wednesday 22

Waning Gibbous 82%

00:42

08:59

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 Good
23 Good
00 OK
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: 21:05, Transit: 13:09. Moon - Rise: 00:42, Set: 08:59. Civil Dark: 21:47 - 04:28. Nautical Dark: 22:47 - 03:29. Astro Dark: 00:30 - 01:39

Total Clouds (% Sky Obscured)

84
55
66
91
62
59
48
31
13
14
44
73
88
99
99
99
97
95
95
95
95
95
95
98

Low Clouds (% Sky Obscured)

44
44
48
87
46
32
24
20
2
2
1
0
0
0
1
4
0
0
0
0
0
0
0
2

Medium Clouds (% Sky Obscured)

71
37
16
7
17
1
14
9
12
13
5
6
13
19
27
43
76
72
72
72
72
72
72
98

High Clouds (% Sky Obscured)

42
27
36
33
31
41
36
14
2
2
41
72
88
99
99
99
95
91
91
91
91
91
91
77

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

Precipitation Amount (mm)

0.01
0.01
0.02
0.01
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)

4
4
4
4
3
3
3
1
1
1
0
2
2
2
3
3
3
3
2
4
5
6
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
41
41
41
41
42
45
52
59
63
67
70
72
74
75
77
77
75
67
57
51
47
44
43

Pressure (mb)

1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1017

Ozone (du)

339
337
336
336
337
337
335
332
331
330
330
331
336
342
345
343
339
336
335
336
336
337
339
341

Thursday 23

Waning Gibbous 73%

01:23

10:00

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 OK
13 Bad

Sun - Rise: 05:10, Set: 21:06, Transit: 13:09. Moon - Rise: 01:23, Set: 10:00. Civil Dark: 21:49 - 04:27. Nautical Dark: 22:49 - 03:27. Astro Dark: 00:38 - 01:28

Total Clouds (% Sky Obscured)

98
98
98
98
98
99
99
99
99
99
99
23
23
23
23
23
23
34
34
34
34
34
34
91

Low Clouds (% Sky Obscured)

2
2
2
2
2
2
2
2
2
2
2
12
12
12
12
12
12
33
33
33
33
33
33
24

Medium Clouds (% Sky Obscured)

98
98
98
98
98
99
99
99
99
99
99
20
20
20
20
20
20
6
6
6
6
6
6
88

High Clouds (% Sky Obscured)

77
77
77
77
77
37
37
37
37
37
37
0
0
0
0
0
0
0
0
0
0
0
0
5

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
10
10
10
10
7
5
4
5
5
6
7
9
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
1
1
2
2
0
0
4
11
29
51
62
55
39
29
22
20
16
15

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.02
0.02
0.01
0
0
0.03
0.14
0.3
0.45
0.58
0.64
0.6
0.59
0.62
0.67
0.7
0.64

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
41
41
43
45
48
54
64
73
78
81
83
84
84
85
85
85
84
84
83
81
77
72
69

Pressure (mb)

1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

342
343
344
345
347
348
348
348
347
346
344
342
343
344
346
348
351
354
355
355
355
354
352
351

Friday 24

Waning Gibbous 64%

01:56

11:03

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: 05:09, Set: 21:08, Transit: 13:09. Moon - Rise: 01:56, Set: 11:03. Civil Dark: 21:51 - 04:26. Nautical Dark: 22:51 - 03:25. Astro Dark: 00:49 - N/A

Total Clouds (% Sky Obscured)

91
91
91
91
91
100
100
100
100
100
100
67
67
67
67
67
67
52
52
52
52
52
52
100

Low Clouds (% Sky Obscured)

24
24
24
24
24
44
44
44
44
44
44
2
2
2
2
2
2
48
48
48
48
48
48
70

Medium Clouds (% Sky Obscured)

88
88
88
88
88
100
100
100
100
100
100
0
0
0
0
0
0
8
8
8
8
8
8
99

High Clouds (% Sky Obscured)

5
5
5
5
5
0
0
0
0
0
0
66
66
66
66
66
66
1
1
1
1
1
1
0

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

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 (%)

10
5
2
2
2
0
0
0
0
0
0
0
0
0
0
0
3
3
0
0
0
0
0
0

Precipitation Amount (mm)

0.41
0.17
0.05
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
67
70
71
73
75
80
83
85
87
89
90
89
89
90
91
89
83
76
71
67
65
62

Pressure (mb)

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

Ozone (du)

350
348
347
344
341
338
335
333
330
326
321
317
314
311
309
307
306
304
302
299
298
297
296
296

Saturday 25

Waning Gibbous 54%

02:23

12:08

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: 05:08, Set: 21:09, Transit: 13:09. Moon - Rise: 02:23, Set: 12:08. Civil Dark: 21:52 - 04:25. Nautical Dark: 22:53 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
79
79
79
79
79
79
100
100
100
100
100
100
98
98
98
98
98
98
94

Low Clouds (% Sky Obscured)

70
70
70
70
70
24
24
24
24
24
24
100
100
100
100
100
100
40
40
40
40
40
40
92

Medium Clouds (% Sky Obscured)

99
99
99
99
99
20
20
20
20
20
20
75
75
75
75
75
75
6
6
6
6
6
6
8

High Clouds (% Sky Obscured)

0
0
0
0
0
73
73
73
73
73
73
88
88
88
88
88
88
96
96
96
96
96
96
22

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
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
0
0
0
0
0
0
0
0
0
3
6
10
12
10
8
5
3
3
2
2
2
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.01
0.03
0.06
0.08
0.07
0.05
0.03
0.02
0.01
0.01
0.01
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
57
57
59
61
63
67
74
79
83
86
90
93
95
97
96
94
89
83
76
72
69
67
65

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

297
297
297
297
296
295
295
294
293
292
291
290
291
291
292
293
293
294
296
298
299
300
300
300

Sunday 26

Third Quarter 45%

02:46

13:13

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: 05:07, Set: 21:10, Transit: 13:09. Moon - Rise: 02:46, Set: 13:13. Civil Dark: 21:54 - 04:23. Nautical Dark: 22:55 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
94
94
94
94
97
97
97
97
97
97
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
92
92
92
92
1
1
1
1
1
1
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

8
8
8
8
8
52
52
52
52
52
52
27
27
27
27
27
27
93
93
93
93
93
93
79

High Clouds (% Sky Obscured)

22
22
22
22
22
94
94
94
94
94
94
14
14
14
14
14
14
91
91
91
91
91
91
85

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

2
2
2
3
4
5
4
3
2
2
3
3
2
2
2
2
2
4
6
16
32
36
38
43

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.03
0.03
0.04
0.04
0.05
0.07
0.12
0.2
0.23
0.25
0.34

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
22
21
20
19
19
18
17
17
16
16
15
15
15
14
14
14
15
16
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 (%)

61
59
58
60
63
66
67
69
72
74
76
78
79
80
82
84
85
85
82
79
77
75
74
73

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

300
300
300
300
300
302
305
310
313
314
314
313
314
314
314
314
314
314
312
311
310
310
310
311

Forecast for Taunton, Somerset, UK (51.02,-3.11)

Generated: 20/05/19 14:03:09. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00