Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:00

02:23

03 Bad
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 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:04, Set: 21:06, Transit: 13:05. Moon - Rise: 09:00, Set: 02:23. Civil Dark: 21:52 - 04:19. Nautical Dark: 22:57 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

37
47
46
68
88
89
73
88
92
60
93
84
41
48
64
74
60
49
38
51
63
81
90
87

Low Clouds (% Sky Obscured)

27
24
31
38
38
43
51
80
86
20
89
65
24
45
27
27
9
8
8
13
13
9
18
20

Medium Clouds (% Sky Obscured)

16
25
33
56
85
84
56
39
52
39
34
60
24
15
14
4
1
1
2
6
9
2
0
2

High Clouds (% Sky Obscured)

6
23
18
16
12
6
11
27
33
38
31
37
16
5
49
66
57
46
33
44
56
78
88
84

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
7
7
7
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
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
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

20
25
30
39
26
36
55
50
50
49
47
35
15
13
7
8
6
4
0
0
0
4
11
13

Precipitation Amount (mm)

0.03
0.02
0.05
0.12
0.06
0.11
0.39
0.4
0.38
0.38
0.42
0.21
0.07
0.08
0.04
0.04
0.03
0.01
0
0
0
0.01
0.03
0.04

Wind Speed/Direction (mph)

3
2
3
3
4
5
6
7
9
10
12
13
13
13
13
12
11
9
6
5
4
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
96
99
98
99
98
95
91
86
83
77
69
65
64
65
69
72
77
82
85
88
90
92

Pressure (mb)

1000
1001
1001
1002
1002
1003
1003
1004
1004
1004
1006
1006
1007
1007
1007
1007
1008
1008
1009
1010
1010
1010
1009
1010

Ozone (du)

390
390
391
392
396
398
399
397
396
394
390
389
390
392
392
394
397
398
398
398
397
395
393
390

Tuesday 18

Waxing Crescent 39%

10:11

02:49

03 Bad
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

Sun - Rise: 05:03, Set: 21:08, Transit: 13:05. Moon - Rise: 10:11, Set: 02:49. Civil Dark: 21:54 - 04:17. Nautical Dark: 23:00 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

63
75
44
59
44
76
44
34
31
31
26
44
48
67
57
56
90
84
63
59
63
59
48
40

Low Clouds (% Sky Obscured)

31
49
32
56
37
72
19
20
28
27
18
17
33
32
24
39
43
20
27
32
37
36
35
35

Medium Clouds (% Sky Obscured)

23
54
23
9
16
27
34
26
17
17
20
41
43
50
44
30
45
52
37
29
27
30
20
23

High Clouds (% Sky Obscured)

54
33
6
3
1
0
6
0
0
0
0
0
2
39
28
21
81
68
41
35
38
32
16
2

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

19
19
13
9
15
13
14
9
13
12
9
4
4
4
3
3
3
4
3
3
4
4
7
7

Precipitation Amount (mm)

0.09
0.09
0.06
0.03
0.05
0.06
0.09
0.07
0.11
0.11
0.1
0.06
0.06
0.05
0.03
0.02
0.02
0.03
0.01
0.02
0.02
0.02
0.03
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
95
96
96
95
90
84
79
74
69
62
58
57
58
61
64
69
74
78
82
85
88
90

Pressure (mb)

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

Ozone (du)

387
385
383
382
386
386
387
388
389
390
389
388
388
388
389
389
388
389
389
388
389
389
386
386

Wednesday 19

First Quarter 50%

11:29

No Set

03 Bad
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

Sun - Rise: 05:01, Set: 21:10, Transit: 13:05. Moon - Rise: 11:29, Set: No Set. Civil Dark: 21:55 - 04:15. Nautical Dark: 23:03 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

45
59
60
69
82
67
63
89
82
94
65
41
40
39
34
58
13
13
13
13
13
13
14
14

Low Clouds (% Sky Obscured)

34
42
38
50
78
64
56
88
80
89
56
15
21
24
31
58
13
13
13
13
13
13
14
14

Medium Clouds (% Sky Obscured)

31
40
45
48
25
18
21
20
18
25
27
31
28
20
19
5
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
9
14
16
9
7
13
1
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
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
10
12
13
20
14
11
10
7
7
5
4
5
5
3
3
3
2
2
0
0
0
3
0

Precipitation Amount (mm)

0.02
0.02
0.03
0.04
0.07
0.06
0.09
0.12
0.07
0.07
0.07
0.06
0.09
0.07
0.03
0.02
0.03
0.02
0.01
0
0
0
0.01
0

Wind Speed/Direction (mph)

4
4
4
5
6
7
8
9
11
12
12
13
13
12
12
11
9
7
5
4
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
95
98
99
100
97
89
80
74
68
64
62
60
60
61
64
69
74
78
83
86
89
90
90

Pressure (mb)

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

Ozone (du)

388
389
389
389
389
388
388
387
386
386
387
385
383
381
380
380
377
377
378
378
378
377
381
379

Thursday 20

Waxing Gibbous 61%

12:49

03:10

03 OK
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

Sun - Rise: 05:00, Set: 21:11, Transit: 13:05. Moon - Rise: 12:49, Set: 03:10. Civil Dark: 21:57 - 04:13. Nautical Dark: 23:06 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

14
14
14
14
99
99
99
99
99
99
100
100
100
100
100
100
88
88
88
88
88
88
14
14

Low Clouds (% Sky Obscured)

14
14
14
14
2
2
2
2
2
2
11
11
11
11
11
11
88
88
88
88
88
88
11
11

Medium Clouds (% Sky Obscured)

0
0
0
0
16
16
16
16
16
16
86
86
86
86
86
86
42
42
42
42
42
42
9
9

High Clouds (% Sky Obscured)

0
0
0
0
99
99
99
99
99
99
99
99
99
99
99
99
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
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
Light Rain

Precipitation Probability (%)

0
0
0
4
36
31
17
9
11
10
34
28
22
25
26
40
45
34
25
20
31
33
27
47

Precipitation Amount (mm)

0
0
0
0.01
0.21
0.2
0.14
0.1
0.09
0.08
0.45
0.36
0.21
0.13
0.12
0.21
0.24
0.18
0.1
0.07
0.11
0.18
0.18
0.45

Wind Speed/Direction (mph)

4
5
5
5
6
7
8
9
10
10
11
12
13
13
13
13
12
12
13
14
14
14
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
5
6
6
8
11
13
14
14
14
13
13
12
12
11
12
12
12
12
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

92
94
96
97
98
95
90
82
77
74
72
74
75
78
81
86
87
86
85
88
91
93
95
96

Pressure (mb)

1020
1020
1020
1020
1019
1018
1017
1017
1016
1015
1016
1015
1015
1014
1014
1013
1016
1015
1014
1013
1012
1010
1008
1007

Ozone (du)

377
373
370
368
365
365
366
365
363
360
360
360
359
358
357
356
339
338
339
344
346
350
363
366

Friday 21

Waxing Gibbous 72%

14:12

03:27

03 Bad
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

Sun - Rise: 04:58, Set: 21:13, Transit: 13:05. Moon - Rise: 14:12, Set: 03:27. Civil Dark: 21:59 - 04:12. Nautical Dark: 23:08 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

14
14
14
14
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
98
98

Low Clouds (% Sky Obscured)

11
11
11
11
33
33
33
33
33
33
85
85
85
85
85
85
98
98
98
98
98
98
92
92

Medium Clouds (% Sky Obscured)

9
9
9
9
95
95
95
95
95
95
99
99
99
99
99
99
94
94
94
94
94
94
96
96

High Clouds (% Sky Obscured)

0
0
0
0
42
42
42
42
42
42
79
79
79
79
79
79
69
69
69
69
69
69
11
11

ISS Passover

Visibility (miles)

8
10
10
10
10
10
10
10
10
9
8
8
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
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
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

Precipitation Probability (%)

55
62
51
56
54
46
34
26
40
52
57
66
70
74
77
80
79
78
75
70
67
67
69
72

Precipitation Amount (mm)

0.65
0.58
0.33
0.39
0.46
0.2
0.12
0.11
0.19
0.24
0.31
0.48
0.5
0.55
0.61
0.73
0.87
0.7
0.45
0.33
0.31
0.34
0.44
0.76

Wind Speed/Direction (mph)

14
14
14
14
13
13
14
15
15
15
15
16
15
15
15
14
16
15
15
15
15
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

97
98
98
98
100
100
99
94
91
92
91
90
93
95
97
99
100
100
99
98
98
99
100
100

Pressure (mb)

1006
1005
1004
1003
1005
1004
1003
1002
1001
1000
999
999
998
997
996
995
993
993
992
992
991
991
991
990

Ozone (du)

367
372
374
374
374
373
371
370
371
371
370
368
366
366
368
367
362
362
363
363
364
364
364
365

Saturday 22

Waxing Gibbous 82%

15:37

03:42

03 Bad
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

Sun - Rise: 04:57, Set: 21:14, Transit: 13:06. Moon - Rise: 15:37, Set: 03:42. Civil Dark: 22:01 - 04:10. Nautical Dark: 23:11 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
98
98
98
46
46
46
46
46
46
59
59
59
59
59
59
33
33
33
33
33
33
100
100

Low Clouds (% Sky Obscured)

92
92
92
92
45
45
45
45
45
45
56
56
56
56
56
56
20
20
20
20
20
20
100
100

Medium Clouds (% Sky Obscured)

96
96
96
96
14
14
14
14
14
14
14
14
14
14
14
14
18
18
18
18
18
18
19
19

High Clouds (% Sky Obscured)

11
11
11
11
0
0
0
0
0
0
0
0
0
0
0
0
8
8
8
8
8
8
65
65

ISS Passover

Visibility (miles)

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

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
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
Light Rain
Light Rain

Precipitation Probability (%)

73
73
68
60
52
47
46
49
52
55
57
61
61
57
49
37
31
33
41
47
54
68
72
71

Precipitation Amount (mm)

1.31
1.63
1.23
0.64
0.32
0.22
0.17
0.15
0.16
0.22
0.3
0.42
0.6
0.71
0.57
0.39
0.32
0.33
0.48
0.63
0.58
0.55
0.6
0.57

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
10
10
11
11
11
11
12
12
12
12
12
12
12
12
12
11
11
10
10
7
7

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
94
95
95
96
98
100
100
100

Pressure (mb)

990
989
989
990
990
991
992
993
995
996
997
998
998
999
999
1000
1000
1001
1001
1002
1002
1002
1002
1002

Ozone (du)

365
366
365
365
364
363
362
362
364
366
369
371
373
373
371
368
367
372
380
386
386
383
381
380

Sunday 23

Waxing Gibbous 90%

17:05

03:56

03 Bad
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

Sun - Rise: 04:56, Set: 21:16, Transit: 13:06. Moon - Rise: 17:05, Set: 03:56. Civil Dark: 22:03 - 04:09. Nautical Dark: 23:14 - 02:55. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
57
57
57
57
57
57
99
99
99
99
99
99
100
100
100
100
100
100
88
88

Low Clouds (% Sky Obscured)

100
100
100
100
48
48
48
48
48
48
19
19
19
19
19
19
98
98
98
98
98
98
38
38

Medium Clouds (% Sky Obscured)

19
19
19
19
25
25
25
25
25
25
97
97
97
97
97
97
95
95
95
95
95
95
82
82

High Clouds (% Sky Obscured)

65
65
65
65
1
1
1
1
1
1
98
98
98
98
98
98
91
91
91
91
91
91
60
60

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

67
62
53
40
28
68
66
63
61
55
43
27
24
22
18
15
13
11
7
3
0
0
0
0

Precipitation Amount (mm)

0.57
0.55
0.34
0.13
0.05
0.41
0.43
0.4
0.29
0.17
0.1
0.07
0.07
0.07
0.08
0.1
0.1
0.06
0.02
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
92
86
80
78
79
84
89
92
94
96
98
98

Pressure (mb)

1003
1003
1003
1004
1004
1003
1004
1004
1005
1005
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1008

Ozone (du)

379
378
377
376
376
374
372
371
370
370
369
368
367
366
366
367
368
371
374
376
374
370
367
365

Forecast for Timperley, Greater Manchester, UK (53.40,-2.32)

Generated: 17/05/21 03:50:06. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00