Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

22:53

07:20

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

Sun - Rise: 05:18, Set: 21:04, Transit: 13:12. Moon - Rise: 22:53, Set: 07:20. Civil Dark: 21:45 - 04:37. Nautical Dark: 22:42 - 03:40. Astro Dark: 00:09 - 02:09

Total Clouds (% Sky Obscured)

64
50
57
56
81
65
63
55
48
81
90
84
86
83
61
84
68
32
8
2
0
4
58
90

Low Clouds (% Sky Obscured)

52
36
40
31
64
27
16
9
9
8
3
2
1
0
0
0
1
7
6
2
0
2
11
57

Medium Clouds (% Sky Obscured)

42
43
42
43
42
45
30
27
29
24
7
1
16
33
42
50
59
23
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
3
30
33
47
37
27
73
88
84
86
81
54
77
29
8
2
0
0
2
52
76

ISS Passover

Visibility (miles)

0
0
0
5
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
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
None

Precipitation Probability (%)

14
16
16
15
13
7
3
2
1
1
0
0
0
1
1
1
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.38
0.27
0.55
0.58
0.36
0.13
0.05
0.02
0.01
0.01
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
14
13
13
13
12
11
10
9
8
8
7
7
7
7
7
7
7
8
10
11
13
14

Feels Like (°C)

15
15
14
13
13
13
12
11
8
7
6
6
5
5
5
4
5
5
5
7
9
11
13
14

Dew Point (°C)

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

Relative Humidity (%)

71
72
75
79
81
81
81
84
87
89
90
91
91
90
90
90
91
94
94
91
86
81
75
68

Pressure (mb)

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

Ozone (du)

359
358
356
355
354
353
352
352
353
353
352
352
352
352
353
354
356
359
360
358
354
350
347
345

Tuesday 21

Waning Gibbous 89%

23:53

08:09

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

Sun - Rise: 05:17, Set: 21:05, Transit: 13:12. Moon - Rise: 23:53, Set: 08:09. Civil Dark: 21:47 - 04:36. Nautical Dark: 22:44 - 03:38. Astro Dark: 00:14 - 02:04

Total Clouds (% Sky Obscured)

95
99
98
94
91
59
56
44
31
21
41
47
73
91
87
83
75
47
34
16
26
39
71
81

Low Clouds (% Sky Obscured)

80
96
95
88
85
38
18
6
1
0
1
1
2
2
3
6
4
3
0
0
0
2
7
12

Medium Clouds (% Sky Obscured)

0
45
54
42
18
9
33
8
5
9
16
24
67
76
48
31
38
32
28
12
14
6
4
33

High Clouds (% Sky Obscured)

80
60
48
41
35
37
36
38
29
16
36
42
55
77
77
81
70
38
26
8
15
36
69
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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
16
15
15
14
13
12
10
9
8
8
7
7
7
7
7
7
7
9
11
13
14
15

Feels Like (°C)

15
16
16
15
15
14
13
12
10
7
7
6
6
5
5
5
5
5
6
9
11
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

64
62
63
65
67
69
72
77
83
87
90
93
95
95
95
94
96
98
96
89
79
72
67
63

Pressure (mb)

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

Ozone (du)

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

Wednesday 22

Waning Gibbous 81%

00:43

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: 21:06, Transit: 13:12. Moon - Rise: 00:43, Set: 09:04. Civil Dark: 21:48 - 04:34. Nautical Dark: 22:46 - 03:36. Astro Dark: 00:19 - 01:59

Total Clouds (% Sky Obscured)

84
90
100
99
70
62
27
34
59
74
66
92
98
99
99
98
88
95
93
93
93
93
93
93

Low Clouds (% Sky Obscured)

77
81
73
98
59
48
9
1
0
0
1
2
0
0
0
0
0
0
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

42
67
91
86
5
2
8
6
20
10
13
5
3
7
51
80
81
83
77
77
77
77
77
77

High Clouds (% Sky Obscured)

21
34
31
34
26
34
20
32
51
73
63
92
98
99
98
96
58
91
88
88
88
88
88
88

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
56
55
56
58
60
62
68
73
77
79
81
81
80
78
79
82
85
86
82
76
71
70
70

Pressure (mb)

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

Ozone (du)

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

Thursday 23

Waning Gibbous 73%

01:24

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 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: 05:15, Set: 21:08, Transit: 13:12. Moon - Rise: 01:24, Set: 10:05. Civil Dark: 21:50 - 04:33. Nautical Dark: 22:48 - 03:34. Astro Dark: 00:25 - 01:53

Total Clouds (% Sky Obscured)

93
93
93
93
93
93
84
84
84
84
84
84
94
94
94
94
94
94
75
75
75
75
75
75

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
1
1
94
94
94
94
94
94
74
74
74
74
74
74

Medium Clouds (% Sky Obscured)

91
91
91
91
91
91
84
84
84
84
84
84
7
7
7
7
7
7
0
0
0
0
0
0

High Clouds (% Sky Obscured)

46
46
46
46
46
46
0
0
0
0
0
0
0
0
0
0
0
0
5
5
5
5
5
5

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
9
8
7
5
4
3
2
2
2
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
2
2
2
4
6
9
2
2
2
2
2
4
9
18
30
49
63
59
37
30
25
17
11

Precipitation Amount (mm)

0.02
0.01
0.01
0.01
0.03
0.11
0.19
0.02
0.02
0.02
0.02
0.02
0.03
0.07
0.16
0.27
0.41
0.55
0.6
0.53
0.51
0.58
0.63
0.63

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
61
57
57
63
71
78
85
91
95
97
98
99
99
98
98
99
99
98
98
98
98
97
92

Pressure (mb)

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

Ozone (du)

343
344
345
346
344
342
341
341
341
341
340
337
336
337
339
340
340
340
340
342
343
344
345
345

Friday 24

Waning Gibbous 64%

01:57

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 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: 05:14, Set: 21:09, Transit: 13:12. Moon - Rise: 01:57, Set: 11:08. Civil Dark: 21:51 - 04:32. Nautical Dark: 22:50 - 03:32. Astro Dark: 00:32 - 01:45

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
85
85
85
85
85
85

Low Clouds (% Sky Obscured)

29
29
29
29
29
29
68
68
68
68
68
68
100
100
100
100
100
100
2
2
2
2
2
2

Medium Clouds (% Sky Obscured)

97
97
97
97
97
97
100
100
100
100
100
100
0
0
0
0
0
0
63
63
63
63
63
63

High Clouds (% Sky Obscured)

93
93
93
93
93
93
0
0
0
0
0
0
0
0
0
0
0
0
71
71
71
71
71
71

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
7
5
4
4
5
7
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 (%)

10
8
4
2
2
2
1
0
0
0
0
0
3
3
3
3
3
3
3
0
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
0
0
0
0

Wind Speed/Direction (mph)

13
9
12
12
13
14
14
11
10
9
7
7
7
7
6
6
7
7
8
9
10
11
11
11

Chance of Frost

Temperature (°C)

13
14
15
15
15
14
13
12
11
11
11
11
11
11
11
10
10
11
11
12
14
15
16
16

Feels Like (°C)

13
14
15
15
15
14
13
12
11
11
11
11
11
11
11
10
10
11
11
12
14
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

88
83
79
77
79
82
87
90
94
96
98
100
100
100
100
100
100
100
99
95
89
83
80
76

Pressure (mb)

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

Ozone (du)

344
341
337
334
332
331
329
325
321
317
314
311
309
307
306
305
302
299
297
295
295
294
295
295

Saturday 25

Waning Gibbous 54%

02:25

12:13

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: 21:10, Transit: 13:12. Moon - Rise: 02:25, Set: 12:13. Civil Dark: 21:53 - 04:30. Nautical Dark: 22:52 - 03:30. Astro Dark: 00:39 - 01:37

Total Clouds (% Sky Obscured)

92
92
92
92
92
92
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

91
91
91
91
91
91
64
64
64
64
64
64
100
100
100
100
100
100
80
80
80
80
80
80

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
20
20
20
20
20
20
80
80
80
80
80
80
71
71
71
71
71
71

High Clouds (% Sky Obscured)

0
0
0
0
0
0
100
100
100
100
100
100
83
83
83
83
83
83
92
92
92
92
92
92

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
2
1
1
0
0
0
1
2
3
6
8
10
12
13
9
5
4
3
3
3
3
3

Precipitation Amount (mm)

0
0
0.01
0.01
0.01
0
0
0
0.01
0.02
0.03
0.04
0.06
0.08
0.11
0.12
0.09
0.04
0.02
0.01
0.01
0.01
0.02
0.02

Wind Speed/Direction (mph)

12
12
13
13
13
12
12
10
9
8
7
7
7
7
6
8
8
8
9
8
8
10
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
68
67
68
70
74
77
81
86
89
93
96
98
100
100
100
100
98
96
93
89
87
85
82

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

Sunday 26

Third Quarter 44%

02:48

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: 21:11, Transit: 13:12. Moon - Rise: 02:48, Set: No Set. Civil Dark: 21:54 - 04:29. Nautical Dark: 22:54 - 03:29. Astro Dark: 00:48 - 01:23

Total Clouds (% Sky Obscured)

62
62
62
62
62
62
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

42
42
42
42
42
42
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99

Medium Clouds (% Sky Obscured)

27
27
27
27
27
27
59
59
59
59
59
59
63
63
63
63
63
63
86
86
86
86
86
86

High Clouds (% Sky Obscured)

21
21
21
21
21
21
66
66
66
66
66
66
0
0
0
0
0
0
57
57
57
57
57
57

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
4
3
3

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

Precipitation Probability (%)

3
2
2
1
2
2
3
3
3
4
3
4
5
5
5
5
7
12
22
34
42
46
47
49

Precipitation Amount (mm)

0.02
0.02
0.01
0.01
0.01
0.03
0.04
0.04
0.04
0.03
0.04
0.04
0.05
0.06
0.08
0.1
0.1
0.11
0.13
0.2
0.31
0.43
0.51
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
74
70
68
71
77
84
87
90
91
93
94
95
96
97
99
100
100
100
99
98
97
94
89

Pressure (mb)

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

Ozone (du)

297
298
298
299
299
299
300
303
306
309
310
310
310
312
313
314
315
314
313
312
310
309
308
308

Forecast for Postbridge, Devon, UK (50.59,-3.91)

Generated: 20/05/19 13:44:24. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00