Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:12

02:13

04 Bad
05 OK
06 OK
07 OK
08 OK
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 OK
03 Good

Sun - Rise: 05:13, Set: 20:59, Transit: 13:06. Moon - Rise: 09:12, Set: 02:13. Civil Dark: 21:41 - 04:31. Nautical Dark: 22:39 - 03:30. Astro Dark: 00:15 - 01:50

Total Clouds (% Sky Obscured)

43
23
32
38
29
59
52
42
89
78
91
88
73
48
74
91
94
94
89
81
73
50
23
8

Low Clouds (% Sky Obscured)

27
16
9
11
16
57
45
29
86
71
66
78
13
16
15
13
22
2
6
4
3
3
2
5

Medium Clouds (% Sky Obscured)

26
15
29
35
26
11
27
27
22
21
55
50
63
29
41
28
14
2
4
3
5
3
18
6

High Clouds (% Sky Obscured)

15
3
2
2
0
0
0
2
16
30
52
37
52
33
63
88
93
94
89
81
73
48
9
1

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

18
18
16
9
8
9
10
15
28
49
50
49
46
40
32
29
12
5
4
3
4
7
0
0

Precipitation Amount (mm)

0.03
0
0.02
0.01
0.01
0.02
0.03
0.07
0.15
0.43
0.35
0.38
0.4
0.35
0.27
0.25
0.08
0.02
0.01
0.01
0.01
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
8
8
11
12
13
13
13
13
13
13
13
14
13
12
11
8
7
7
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

90
93
97
96
97
95
92
91
92
92
91
89
87
84
76
77
79
81
83
85
86
86
88
89

Pressure (mb)

1002
1002
1003
1003
1004
1004
1005
1005
1006
1007
1007
1008
1008
1008
1009
1009
1010
1010
1011
1012
1012
1011
1012
1012

Ozone (du)

382
384
385
388
388
390
391
392
391
385
382
383
385
386
388
388
389
390
391
392
393
393
392
392

Tuesday 18

Waxing Crescent 39%

10:21

02:42

04 OK
05 OK
06 Good
07 Good
08 OK
09 OK
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 OK
03 OK

Sun - Rise: 05:11, Set: 21:00, Transit: 13:06. Moon - Rise: 10:21, Set: 02:42. Civil Dark: 21:42 - 04:29. Nautical Dark: 22:42 - 03:28. Astro Dark: 00:21 - 01:42

Total Clouds (% Sky Obscured)

20
27
7
2
20
27
44
43
46
44
48
59
96
97
99
99
99
99
95
92
49
27
22
32

Low Clouds (% Sky Obscured)

17
25
7
2
4
10
32
21
24
29
31
26
23
20
33
23
34
16
16
11
23
20
20
20

Medium Clouds (% Sky Obscured)

14
16
2
0
2
12
36
37
30
23
25
26
15
17
49
92
98
90
75
40
13
11
13
28

High Clouds (% Sky Obscured)

0
0
0
0
17
16
2
6
19
15
26
44
95
96
98
98
97
97
93
90
36
6
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

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

Precipitation Probability (%)

0
0
0
0
0
5
3
5
7
17
22
26
20
17
13
10
8
3
4
4
5
5
3
3

Precipitation Amount (mm)

0
0
0
0
0
0.02
0.02
0.05
0.1
0.16
0.16
0.22
0.14
0.09
0.08
0.07
0.04
0.01
0.01
0.01
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
7
7
8
11
13
14
14
14
14
14
14
13
13
13
12
11
8
8
8
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

90
93
95
95
92
84
76
71
68
72
72
73
72
74
76
79
82
86
89
91
92
92
92
92

Pressure (mb)

1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

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

Wednesday 19

First Quarter 50%

11:37

03:04

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

Sun - Rise: 05:10, Set: 21:01, Transit: 13:06. Moon - Rise: 11:37, Set: 03:04. Civil Dark: 21:44 - 04:27. Nautical Dark: 22:44 - 03:26. Astro Dark: 00:29 - 01:33

Total Clouds (% Sky Obscured)

14
6
2
1
1
19
33
40
52
41
49
67
59
45
50
27
27
27
27
27
27
73
73
73

Low Clouds (% Sky Obscured)

4
1
0
0
1
19
21
27
11
15
14
42
27
23
41
18
18
18
18
18
18
2
2
2

Medium Clouds (% Sky Obscured)

13
6
2
0
1
1
27
31
50
39
48
58
51
37
38
22
22
22
22
22
22
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
8
28
16
0
0
0
0
0
0
0
73
73
73

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

Precipitation Probability (%)

3
3
3
0
0
0
3
3
4
4
4
5
7
10
6
3
2
2
0
0
0
5
13
21

Precipitation Amount (mm)

0.01
0.01
0.01
0
0
0
0.01
0.02
0.03
0.04
0.04
0.07
0.15
0.16
0.09
0.06
0.02
0.01
0
0
0
0.03
0.07
0.11

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
10
11
13
14
14
15
16
15
14
14
14
13
13
11
10
8
7
7
6
5

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
94
90
82
75
71
65
62
59
60
63
67
68
71
75
80
84
87
89
91
94
95

Pressure (mb)

1015
1016
1016
1017
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1021
1022
1022

Ozone (du)

395
394
394
398
398
399
398
396
393
393
390
383
379
380
381
381
382
381
379
375
371
373
371
371

Thursday 20

Waxing Gibbous 61%

12:55

03:23

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 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: 05:09, Set: 21:03, Transit: 13:06. Moon - Rise: 12:55, Set: 03:23. Civil Dark: 21:46 - 04:26. Nautical Dark: 22:46 - 03:23. Astro Dark: 00:39 - 01:17

Total Clouds (% Sky Obscured)

73
73
73
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
26
26
26

Low Clouds (% Sky Obscured)

2
2
2
0
0
0
0
0
0
16
16
16
16
16
16
98
98
98
98
98
98
17
17
17

Medium Clouds (% Sky Obscured)

0
0
0
98
98
98
98
98
98
99
99
99
99
99
99
37
37
37
37
37
37
18
18
18

High Clouds (% Sky Obscured)

73
73
73
97
97
97
97
97
97
81
81
81
81
81
81
94
94
94
94
94
94
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
9
9
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
None
None
None
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
Light Rain

Precipitation Probability (%)

25
22
12
26
20
9
5
4
5
8
13
16
19
35
52
45
37
15
7
19
46
34
46
34

Precipitation Amount (mm)

0.13
0.1
0.05
0.19
0.15
0.09
0.07
0.09
0.14
0.27
0.19
0.09
0.05
0.12
0.3
0.39
0.24
0.07
0.01
0.08
0.31
0.36
0.63
0.41

Wind Speed/Direction (mph)

6
7
7
8
10
12
13
14
14
13
13
12
12
14
15
16
16
17
17
17
17
17
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

97
99
100
100
97
87
76
71
68
71
76
85
93
95
94
91
88
85
84
86
92
95
96
98

Pressure (mb)

1022
1021
1021
1020
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015
1015
1019
1018
1017
1016
1015
1014
1012
1011
1009

Ozone (du)

370
369
367
364
362
361
361
362
361
364
362
358
356
354
353
333
330
331
332
335
337
351
355
362

Friday 21

Waxing Gibbous 72%

14:16

03:41

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: 05:08, Set: 21:04, Transit: 13:06. Moon - Rise: 14:16, Set: 03:41. Civil Dark: 21:47 - 04:24. Nautical Dark: 22:48 - 03:21. Astro Dark: 00:55 - N/A

Total Clouds (% Sky Obscured)

26
26
26
50
50
50
50
50
50
100
100
100
100
100
100
92
92
92
92
92
92
49
49
49

Low Clouds (% Sky Obscured)

17
17
17
40
40
40
40
40
40
59
59
59
59
59
59
75
75
75
75
75
75
22
22
22

Medium Clouds (% Sky Obscured)

18
18
18
22
22
22
22
22
22
100
100
100
100
100
100
81
81
81
81
81
81
46
46
46

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
82
82
82
82
82
82
31
31
31
31
31
31
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
8
6
7
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

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
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
Very Light Rain

Precipitation Probability (%)

33
30
30
47
33
19
14
24
34
41
55
62
66
64
68
55
61
73
79
79
78
76
74
70

Precipitation Amount (mm)

0.36
0.26
0.2
0.34
0.18
0.1
0.09
0.16
0.24
0.31
0.4
0.41
0.4
0.3
0.37
0.32
0.42
0.66
0.91
0.94
0.83
0.7
0.54
0.37

Wind Speed/Direction (mph)

18
18
18
17
17
17
18
19
19
19
19
19
19
20
20
22
22
22
22
22
23
23
23
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
10
10
11
12
13
14
15
14
13
12
12
11
11
11
11
11
10
10
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

99
98
95
99
99
97
92
86
82
83
85
88
91
93
95
89
92
94
97
99
100
100
100
100

Pressure (mb)

1008
1008
1007
1008
1007
1006
1005
1005
1004
1003
1002
1001
1001
1000
1000
999
998
998
998
997
997
996
996
996

Ozone (du)

366
373
373
372
374
375
374
368
366
367
365
366
366
367
367
371
370
369
368
367
367
367
367
366

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: 05:06, Set: 21:06, Transit: 13:06. Moon - Rise: 15:38, Set: 03:57. Civil Dark: 21:49 - 04:23. Nautical Dark: 22:51 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

49
49
49
16
16
16
16
16
16
43
43
43
43
43
43
73
73
73
73
73
73
50
50
50

Low Clouds (% Sky Obscured)

22
22
22
16
16
16
16
16
16
36
36
36
36
36
36
16
16
16
16
16
16
34
34
34

Medium Clouds (% Sky Obscured)

46
46
46
3
3
3
3
3
3
23
23
23
23
23
23
43
43
43
43
43
43
7
7
7

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
49
49
49
49
49
49
38
38
38

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

66
65
65
62
55
48
46
45
48
53
58
62
65
66
67
65
56
44
32
26
24
22
21
22

Precipitation Amount (mm)

0.27
0.24
0.25
0.26
0.24
0.21
0.2
0.24
0.31
0.35
0.3
0.25
0.24
0.26
0.28
0.28
0.2
0.12
0.06
0.04
0.03
0.03
0.03
0.04

Wind Speed/Direction (mph)

23
23
24
25
24
24
23
23
23
23
23
23
23
23
22
21
20
19
19
18
18
17
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
10
10
11
11
12
12
13
12
11
11
10
10
11
11
11
11
11
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
99
97
95
94
94
95
95
95
94

Pressure (mb)

996
996
996
996
997
997
998
998
999
1000
1000
1000
1000
1001
1001
1001
1002
1003
1003
1004
1004
1004
1004
1005

Ozone (du)

365
364
363
362
363
363
364
364
364
364
364
363
363
363
364
364
366
367
369
370
372
372
371
370

Sunday 23

Waxing Gibbous 90%

17:04

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: 05:05, Set: 21:07, Transit: 13:06. Moon - Rise: 17:04, Set: 03:57. Civil Dark: 21:51 - 04:22. Nautical Dark: 22:53 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
50
50
98
98
98
98
98
98
45
45
45
45
45
45
73
73
73
73
73
73
63
63
63

Low Clouds (% Sky Obscured)

34
34
34
31
31
31
31
31
31
23
23
23
23
23
23
23
23
23
23
23
23
49
49
49

Medium Clouds (% Sky Obscured)

7
7
7
39
39
39
39
39
39
33
33
33
33
33
33
50
50
50
50
50
50
52
52
52

High Clouds (% Sky Obscured)

38
38
38
96
96
96
96
96
96
14
14
14
14
14
14
41
41
41
41
41
41
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
None
None
None
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 (%)

22
22
21
17
9
5
5
5
7
8
7
8
11
13
13
12
9
5
0
0
4
5
4
4

Precipitation Amount (mm)

0.05
0.05
0.05
0.05
0.03
0.02
0.01
0.02
0.04
0.06
0.07
0.1
0.12
0.12
0.1
0.08
0.04
0.01
0
0
0.01
0.01
0.01
0.02

Wind Speed/Direction (mph)

15
15
16
15
15
15
14
13
13
12
12
11
10
9
8
7
7
7
7
7
7
6
6
5

Chance of Frost

Temperature (°C)

10
10
10
10
11
11
12
13
13
13
14
14
15
14
14
13
13
12
11
11
10
10
9
9

Feels Like (°C)

10
10
10
10
11
11
12
13
13
13
14
14
15
14
14
13
13
12
11
11
10
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

94
94
95
95
92
87
84
82
82
80
76
72
70
72
77
82
87
92
94
96
99
100
100
100

Pressure (mb)

1005
1005
1005
1006
1006
1007
1007
1007
1008
1008
1008
1008
1007
1008
1008
1008
1008
1008
1009
1009
1008
1008
1008
1008

Ozone (du)

369
370
371
372
373
374
374
373
372
372
374
376
377
375
373
371
372
373
374
371
367
364
362
361

Forecast for Bagstone, South Gloucestershire, UK (51.58,-2.45)

Generated: 17/05/21 04:38:38. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00