Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:01

02:23

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

Sun - Rise: 05:05, Set: 21:07, Transit: 13:06. Moon - Rise: 09:01, Set: 02:23. Civil Dark: 21:52 - 04:20. Nautical Dark: 22:57 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

47
43
77
91
88
59
97
88
52
95
84
39
31
66
71
52
37
32
45
64
82
90
84
60

Low Clouds (% Sky Obscured)

27
31
48
39
58
38
95
81
32
93
76
28
24
24
23
1
1
2
9
5
7
13
17
20

Medium Clouds (% Sky Obscured)

27
32
65
88
80
41
43
55
38
17
52
27
16
6
1
1
1
3
6
6
1
1
3
29

High Clouds (% Sky Obscured)

21
14
16
15
6
13
28
30
13
34
26
4
6
54
63
52
36
30
38
62
81
88
81
48

ISS Passover

Visibility (miles)

10
10
10
10
10
10
9
7
8
9
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
Very Light Rain
Light Rain
Light Rain
Light Rain
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

34
44
42
31
43
55
52
52
50
42
25
10
9
6
6
5
0
0
0
0
5
10
13
20

Precipitation Amount (mm)

0.12
0.06
0.12
0.08
0.15
0.42
0.45
0.47
0.43
0.34
0.13
0.04
0.04
0.02
0.02
0.02
0
0
0
0
0.01
0.02
0.04
0.09

Wind Speed/Direction (mph)

3
3
4
4
6
7
9
10
12
13
14
14
13
13
12
11
9
7
5
4
3
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
8
10
11
11
12
12
12
12
12
12
12
12
11
8
7
7
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

91
94
98
97
99
97
95
92
88
86
81
75
71
70
67
70
73
78
82
85
87
88
90
90

Pressure (mb)

1001
1001
1002
1002
1003
1003
1004
1004
1005
1006
1006
1007
1007
1007
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010

Ozone (du)

391
392
392
397
399
399
396
395
393
389
390
391
392
393
395
398
399
398
397
396
395
392
389
387

Tuesday 18

Waxing Crescent 39%

10:12

02:50

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

Sun - Rise: 05:03, Set: 21:08, Transit: 13:06. Moon - Rise: 10:12, Set: 02:50. Civil Dark: 21:54 - 04:18. Nautical Dark: 23:00 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
44
48
40
69
43
33
31
31
23
48
52
66
54
56
92
75
58
59
65
57
46
41
45

Low Clouds (% Sky Obscured)

50
34
45
33
63
6
18
29
29
15
12
38
38
28
38
45
22
27
32
39
35
37
36
31

Medium Clouds (% Sky Obscured)

54
18
8
16
32
34
27
15
14
20
48
45
50
39
30
48
45
30
28
27
32
23
25
34

High Clouds (% Sky Obscured)

27
4
3
0
0
13
0
0
0
0
1
2
39
27
26
84
56
39
36
40
32
12
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

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

Precipitation Probability (%)

20
14
8
12
11
11
9
11
11
7
4
4
4
4
3
4
6
3
4
4
5
7
7
6

Precipitation Amount (mm)

0.09
0.06
0.02
0.04
0.05
0.08
0.07
0.11
0.11
0.09
0.05
0.04
0.04
0.03
0.02
0.02
0.06
0.02
0.03
0.02
0.02
0.02
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
94
97
97
94
88
82
77
72
68
62
59
59
61
63
66
70
74
79
82
85
87
89
91

Pressure (mb)

1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013
1012
1013
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

384
384
383
386
386
387
389
390
391
389
388
388
389
389
390
389
389
389
389
390
390
387
387
388

Wednesday 19

First Quarter 50%

11:29

03:10

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

Sun - Rise: 05:02, Set: 21:10, Transit: 13:06. Moon - Rise: 11:29, Set: 03:10. Civil Dark: 21:56 - 04:16. Nautical Dark: 23:03 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

62
60
73
73
56
57
97
77
99
51
34
37
35
21
46
13
13
13
13
13
13
13
13
13

Low Clouds (% Sky Obscured)

41
38
59
69
49
48
96
73
98
41
6
20
24
20
46
13
13
13
13
13
13
13
13
13

Medium Clouds (% Sky Obscured)

44
45
45
19
23
25
21
21
20
25
31
26
14
9
2
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
1
0
0
0
0
3
6
6
6
3
6
12
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
9
9
14
11
12
8
7
7
6
5
6
4
3
3
3
2
0
0
0
0
3
0
0

Precipitation Amount (mm)

0.01
0.02
0.02
0.04
0.05
0.11
0.11
0.06
0.07
0.07
0.06
0.1
0.05
0.03
0.02
0.02
0.01
0
0
0
0
0.01
0
0

Wind Speed/Direction (mph)

4
5
5
6
7
9
10
11
12
13
13
13
13
12
11
9
7
5
4
3
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
97
98
99
96
88
79
75
71
68
66
62
59
59
62
67
73
77
83
86
89
91
90
92

Pressure (mb)

1014
1014
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1020
1021
1020

Ozone (du)

389
389
389
390
389
389
387
387
386
386
385
383
381
380
380
377
377
378
378
378
377
381
379
376

Thursday 20

Waxing Gibbous 61%

12:50

03:27

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

Sun - Rise: 05:00, Set: 21:11, Transit: 13:06. Moon - Rise: 12:50, Set: 03:27. Civil Dark: 21:57 - 04:14. Nautical Dark: 23:06 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

13
13
13
99
99
99
99
99
99
100
100
100
100
100
100
73
73
73
73
73
73
13
13
13

Low Clouds (% Sky Obscured)

13
13
13
2
2
2
2
2
2
21
21
21
21
21
21
72
72
72
72
72
72
9
9
9

Medium Clouds (% Sky Obscured)

0
0
0
31
31
31
31
31
31
89
89
89
89
89
89
34
34
34
34
34
34
9
9
9

High Clouds (% Sky Obscured)

0
0
0
99
99
99
99
99
99
100
100
100
100
100
100
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
10
10
10
10
10
8

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

Precipitation Probability (%)

0
0
5
36
29
14
8
10
10
33
29
23
27
26
40
42
33
29
21
33
31
26
44
52

Precipitation Amount (mm)

0
0
0.01
0.21
0.18
0.11
0.07
0.09
0.09
0.46
0.37
0.22
0.14
0.14
0.21
0.21
0.18
0.13
0.09
0.13
0.17
0.15
0.37
0.57

Wind Speed/Direction (mph)

5
5
6
7
8
9
10
10
11
12
12
13
13
13
13
13
13
14
15
15
15
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
6
7
11
13
14
14
13
13
12
12
11
11
11
12
12
11
11
11
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

94
97
98
98
96
90
82
77
74
73
75
76
78
82
88
88
86
87
89
92
94
95
96
95

Pressure (mb)

1020
1020
1020
1019
1018
1017
1017
1016
1015
1016
1015
1015
1014
1014
1013
1016
1015
1014
1013
1011
1010
1008
1007
1006

Ozone (du)

372
369
368
365
365
366
365
363
360
360
359
359
358
356
356
339
338
340
344
347
350
363
366
367

Friday 21

Waxing Gibbous 72%

14:13

03:42

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

Sun - Rise: 04:59, Set: 21:13, Transit: 13:06. Moon - Rise: 14:13, Set: 03:42. Civil Dark: 21:59 - 04:13. Nautical Dark: 23:08 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

13
13
13
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
96
96

Low Clouds (% Sky Obscured)

9
9
9
36
36
36
36
36
36
98
98
98
98
98
98
100
100
100
100
100
100
88
88
88

Medium Clouds (% Sky Obscured)

9
9
9
97
97
97
97
97
97
99
99
99
99
99
99
88
88
88
88
88
88
94
94
94

High Clouds (% Sky Obscured)

0
0
0
100
100
100
100
100
100
82
82
82
82
82
82
57
57
57
57
57
57
6
6
6

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
9
9
10
10
10
10
8
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

56
45
49
50
40
29
24
38
46
49
60
65
69
73
77
76
74
67
61
60
63
65
69
71

Precipitation Amount (mm)

0.46
0.26
0.31
0.36
0.15
0.1
0.1
0.19
0.23
0.3
0.45
0.48
0.55
0.58
0.65
0.86
0.68
0.43
0.31
0.29
0.33
0.41
0.69
1.24

Wind Speed/Direction (mph)

15
15
15
14
14
15
16
16
16
17
17
16
16
16
16
16
16
15
15
15
16
17
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
7
7
10
11
12
13
14
14
14
13
12
11
11
10
11
11
11
10
10
10
10
10

Dew Point (°C)

10
10
10
10
10
11
11
11
11
11
11
11
10
10
10
10
11
10
10
10
10
10
10
10

Relative Humidity (%)

95
96
97
100
100
96
89
86
84
81
81
85
89
95
98
99
99
97
96
97
99
99
100
100

Pressure (mb)

1005
1004
1003
1004
1004
1003
1002
1001
1000
999
998
998
997
996
995
994
993
992
992
991
990
990
989
989

Ozone (du)

373
375
374
374
373
371
370
371
371
370
368
366
367
368
367
368
368
367
366
365
364
363
363
363

Saturday 22

Waxing Gibbous 82%

15:38

03:57

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

Sun - Rise: 04:58, Set: 21:14, Transit: 13:06. Moon - Rise: 15:38, Set: 03:57. Civil Dark: 22:01 - 04:11. Nautical Dark: 23:11 - 02:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
96
96
35
35
35
35
35
35
52
52
52
52
52
52
34
34
34
34
34
34
100
100
100

Low Clouds (% Sky Obscured)

88
88
88
34
34
34
34
34
34
48
48
48
48
48
48
19
19
19
19
19
19
100
100
100

Medium Clouds (% Sky Obscured)

94
94
94
6
6
6
6
6
6
13
13
13
13
13
13
19
19
19
19
19
19
18
18
18

High Clouds (% Sky Obscured)

6
6
6
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
9
73
73
73

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

72
70
64
56
51
48
47
50
53
55
58
63
68
66
59
55
63
75
75
75
73
69
67
63

Precipitation Amount (mm)

1.58
1.17
0.57
0.26
0.16
0.13
0.12
0.15
0.25
0.38
0.46
0.54
0.55
0.41
0.29
0.26
0.29
0.5
0.73
0.66
0.48
0.39
0.36
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
11
11
11
12
13
13
13
13
12
12
11
11
11
11
11
10
10
8
10
10

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
99
98
99
100
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

989
989
989
989
990
991
992
993
994
995
995
996
996
996
996
997
997
998
998
999
999
1000
1000
1000

Ozone (du)

364
365
367
368
368
368
368
369
370
371
372
371
371
369
367
366
367
369
370
372
374
375
374
374

Sunday 23

Waxing Gibbous 90%

17:06

03:57

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

Sun - Rise: 04:56, Set: 21:16, Transit: 13:06. Moon - Rise: 17:06, Set: 03:57. Civil Dark: 22:03 - 04:09. Nautical Dark: 23:14 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
48
48
48
48
48
48
99
99
99
99
99
99
100
100
100
100
100
100
87
87
87

Low Clouds (% Sky Obscured)

100
100
100
36
36
36
36
36
36
20
20
20
20
20
20
100
100
100
100
100
100
34
34
34

Medium Clouds (% Sky Obscured)

18
18
18
27
27
27
27
27
27
97
97
97
97
97
97
88
88
88
88
88
88
81
81
81

High Clouds (% Sky Obscured)

73
73
73
1
1
1
1
1
1
98
98
98
98
98
98
81
81
81
81
81
81
61
61
61

ISS Passover

Visibility (miles)

6
6
8
9
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
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
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 (%)

63
64
65
65
65
62
57
53
47
39
27
25
21
16
12
10
9
5
0
0
0
0
0
0

Precipitation Amount (mm)

0.45
0.39
0.34
0.34
0.33
0.31
0.27
0.2
0.13
0.09
0.07
0.07
0.07
0.07
0.08
0.08
0.05
0.02
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
7
7
8
10
10
11
11
12
13
13
13
13
12
11
10
9
8
6
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
97
90
84
80
77
77
82
87
91
93
96
97
98
99

Pressure (mb)

1000
1001
1002
1002
1003
1004
1004
1005
1005
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

373
374
375
375
374
372
371
370
370
370
368
367
366
366
367
368
371
374
376
374
370
367
365
363

Forecast for High Legh, Cheshire East, UK (53.36,-2.44)

Generated: 17/05/21 04:34:59. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00