Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:09

02:11

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

Sun - Rise: 05:10, Set: 20:56, Transit: 13:03. Moon - Rise: 09:09, Set: 02:11. Civil Dark: 21:38 - 04:27. Nautical Dark: 22:36 - 03:27. Astro Dark: 00:11 - 01:48

Total Clouds (% Sky Obscured)

40
16
8
13
41
30
37
51
54
92
95
95
95
70
80
91
95
95
94
90
49
59
38
23

Low Clouds (% Sky Obscured)

16
15
8
2
38
29
27
26
41
90
59
44
13
9
23
21
17
16
17
7
2
18
6
2

Medium Clouds (% Sky Obscured)

11
1
0
12
9
6
34
45
23
17
61
89
94
52
50
34
9
5
6
2
3
12
13
22

High Clouds (% Sky Obscured)

27
1
0
0
0
0
0
7
16
27
48
61
66
45
68
86
95
95
93
89
48
50
31
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
9
8
7
6
6
8
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
None
None
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
Very Light Rain
None
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

11
18
0
0
9
12
23
32
46
53
50
49
52
49
47
22
5
4
2
3
7
0
0
0

Precipitation Amount (mm)

0.01
0.01
0
0
0.01
0.04
0.1
0.18
0.35
0.53
0.52
0.54
0.81
0.78
0.61
0.15
0.02
0.02
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
95
95
97
95
93
91
90
89
87
87
88
89
87
86
84
83
84
86
88
89
90
90
91

Pressure (mb)

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

Ozone (du)

384
385
387
387
387
389
391
391
388
383
382
383
385
387
387
389
390
391
392
394
393
393
392
390

Tuesday 18

Waxing Crescent 39%

10:19

02:39

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

Sun - Rise: 05:09, Set: 20:57, Transit: 13:03. Moon - Rise: 10:19, Set: 02:39. Civil Dark: 21:40 - 04:25. Nautical Dark: 22:39 - 03:25. Astro Dark: 00:18 - 01:40

Total Clouds (% Sky Obscured)

26
33
9
6
38
36
49
45
75
68
65
95
98
99
98
99
100
99
96
85
77
28
23
20

Low Clouds (% Sky Obscured)

12
20
6
5
17
17
30
20
27
60
13
20
30
20
23
16
16
0
14
17
25
24
22
18

Medium Clouds (% Sky Obscured)

24
29
3
1
0
12
41
32
10
19
20
24
26
32
87
98
99
73
84
37
8
10
6
9

High Clouds (% Sky Obscured)

0
0
0
0
27
20
2
9
67
20
57
92
97
99
98
98
98
98
88
81
71
8
0
0

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

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

Precipitation Probability (%)

0
0
0
0
6
6
5
7
18
23
38
41
42
34
24
14
10
16
18
13
14
9
5
4

Precipitation Amount (mm)

0
0
0
0
0.02
0.04
0.05
0.09
0.16
0.19
0.32
0.39
0.43
0.23
0.21
0.12
0.12
0.28
0.33
0.14
0.14
0.06
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
95
97
97
93
86
79
73
74
72
76
79
80
79
82
85
86
88
90
93
93
93
94
96

Pressure (mb)

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

Ozone (du)

390
389
389
389
391
391
390
390
389
389
389
390
391
393
397
397
397
395
394
394
396
396
395
394

Wednesday 19

First Quarter 50%

11:34

03:02

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

Sun - Rise: 05:08, Set: 20:59, Transit: 13:03. Moon - Rise: 11:34, Set: 03:02. Civil Dark: 21:41 - 04:23. Nautical Dark: 22:41 - 03:23. Astro Dark: 00:26 - 01:31

Total Clouds (% Sky Obscured)

17
7
5
2
28
43
50
52
55
48
35
38
61
59
30
30
30
30
30
30
85
85
85
85

Low Clouds (% Sky Obscured)

16
6
2
1
28
27
13
31
34
31
13
17
23
37
19
19
19
19
19
19
0
0
0
0

Medium Clouds (% Sky Obscured)

6
5
5
1
0
39
47
48
47
37
31
33
52
51
23
23
23
23
23
23
1
1
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
2
8
27
4
0
0
0
0
0
0
85
85
85
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
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
Very Light Rain
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
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
4
7
5
13
22
7
7
7
11
11
12
17
13
7
3
2
0
0
0
3
3
9
15

Precipitation Amount (mm)

0
0.01
0.02
0.01
0.11
0.22
0.09
0.05
0.08
0.14
0.13
0.13
0.16
0.15
0.12
0.02
0.01
0
0
0
0.02
0.03
0.08
0.11

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
99
100
97
93
85
80
75
72
68
66
69
72
73
74
76
79
83
86
89
91
92
93
95

Pressure (mb)

1015
1015
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019
1020
1020
1021
1021
1022
1023
1023
1023
1022
1022
1022
1022

Ozone (du)

393
392
397
398
397
397
396
394
394
392
386
381
378
380
380
381
382
382
381
376
376
373
372
371

Thursday 20

Waxing Gibbous 61%

12:52

03:21

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
04 Bad

Sun - Rise: 05:06, Set: 21:00, Transit: 13:03. Moon - Rise: 12:52, Set: 03:21. Civil Dark: 21:43 - 04:22. Nautical Dark: 22:43 - 03:21. Astro Dark: 00:35 - 01:17

Total Clouds (% Sky Obscured)

85
85
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
9
9
9
9

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
8
8
8
8
8
94
94
94
94
94
94
9
9
9
9

Medium Clouds (% Sky Obscured)

1
1
100
100
100
100
100
100
100
100
100
100
100
100
3
3
3
3
3
3
0
0
0
0

High Clouds (% Sky Obscured)

85
85
96
96
96
96
96
96
92
92
92
92
92
92
87
87
87
87
87
87
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
9
10
9
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
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

15
11
16
15
7
6
5
7
14
7
13
33
38
34
19
10
7
9
27
48
32
52
37
39

Precipitation Amount (mm)

0.09
0.05
0.07
0.08
0.05
0.05
0.07
0.13
0.2
0.17
0.15
0.16
0.16
0.15
0.12
0.06
0.02
0.03
0.13
0.27
0.23
0.75
0.38
0.38

Wind Speed/Direction (mph)

7
8
9
11
13
14
15
15
15
15
15
14
14
16
16
16
16
17
18
18
18
19
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
5
7
11
12
13
13
13
14
13
12
12
12
12
12
12
11
11
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

96
99
100
98
90
82
77
74
75
71
80
91
92
92
85
85
87
90
91
92
93
95
96
98

Pressure (mb)

1021
1021
1020
1020
1020
1019
1018
1018
1017
1017
1016
1015
1015
1015
1019
1019
1018
1017
1016
1015
1013
1012
1010
1009

Ozone (du)

369
368
363
364
364
364
363
362
365
363
360
357
356
354
333
330
330
331
334
335
345
350
356
361

Friday 21

Waxing Gibbous 72%

14:13

03:38

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

Sun - Rise: 05:05, Set: 21:02, Transit: 13:03. Moon - Rise: 14:13, Set: 03:38. Civil Dark: 21:45 - 04:20. Nautical Dark: 22:46 - 03:19. Astro Dark: 00:50 - N/A

Total Clouds (% Sky Obscured)

9
9
16
16
16
16
16
16
89
89
89
89
89
89
100
100
100
100
100
100
69
69
69
69

Low Clouds (% Sky Obscured)

9
9
12
12
12
12
12
12
74
74
74
74
74
74
100
100
100
100
100
100
27
27
27
27

Medium Clouds (% Sky Obscured)

0
0
9
9
9
9
9
9
86
86
86
86
86
86
89
89
89
89
89
89
63
63
63
63

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
12
12
12
12
12
12
4
4
4
4
4
4
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
9
7
7
7
7
9
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
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 (%)

21
31
43
19
11
10
13
23
28
44
50
58
62
64
60
57
57
63
68
69
68
68
68
68

Precipitation Amount (mm)

0.2
0.23
0.27
0.14
0.07
0.07
0.1
0.15
0.17
0.31
0.31
0.35
0.34
0.32
0.27
0.24
0.24
0.3
0.35
0.38
0.39
0.36
0.32
0.3

Wind Speed/Direction (mph)

19
19
18
18
18
19
19
21
21
21
21
20
20
20
22
22
22
21
22
23
23
23
23
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
10
10
11
11
12
13
14
15
14
14
12
11
11
11
11
11
10
6
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

98
97
99
98
95
92
86
81
79
81
85
90
93
95
90
92
93
95
96
98
98
99
100
100

Pressure (mb)

1008
1008
1009
1008
1007
1006
1005
1004
1004
1003
1002
1001
1001
1000
1000
999
999
998
998
998
997
997
997
996

Ozone (du)

366
369
372
372
372
372
371
366
368
366
365
366
365
366
370
370
370
369
369
369
369
368
367
366

Saturday 22

Waxing Gibbous 82%

15:35

03:55

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
04 Bad

Sun - Rise: 05:04, Set: 21:03, Transit: 13:03. Moon - Rise: 15:35, Set: 03:55. Civil Dark: 21:46 - 04:19. Nautical Dark: 22:48 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

69
69
5
5
5
5
5
5
49
49
49
49
49
49
66
66
66
66
66
66
52
52
52
52

Low Clouds (% Sky Obscured)

27
27
4
4
4
4
4
4
12
12
12
12
12
12
19
19
19
19
19
19
52
52
52
52

Medium Clouds (% Sky Obscured)

63
63
1
1
1
1
1
1
47
47
47
47
47
47
56
56
56
56
56
56
1
1
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
13
13
13
13
13
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
10
10
10
10
8
6
8
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 (%)

67
65
63
58
54
50
45
42
40
40
44
50
57
62
64
61
52
37
28
22
20
18
20
22

Precipitation Amount (mm)

0.29
0.31
0.31
0.28
0.23
0.21
0.21
0.24
0.26
0.21
0.17
0.16
0.21
0.29
0.32
0.26
0.16
0.1
0.06
0.04
0.03
0.02
0.02
0.03

Wind Speed/Direction (mph)

24
24
25
25
26
26
26
26
26
26
26
26
25
23
22
22
21
21
20
19
18
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
98
98
98
99
99
99
99
98
96
95
95
95
96
96
97
98

Pressure (mb)

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

Ozone (du)

366
365
364
364
363
362
363
363
363
363
362
362
363
364
365
366
367
368
370
371
372
371
369
368

Sunday 23

Waxing Gibbous 90%

17:01

04:12

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
04 Bad

Sun - Rise: 05:03, Set: 21:04, Transit: 13:03. Moon - Rise: 17:01, Set: 04:12. Civil Dark: 21:48 - 04:18. Nautical Dark: 22:50 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

52
52
95
95
95
95
95
95
95
95
95
95
95
95
100
100
100
100
100
100
55
55
55
55

Low Clouds (% Sky Obscured)

52
52
92
92
92
92
92
92
25
25
25
25
25
25
99
99
99
99
99
99
41
41
41
41

Medium Clouds (% Sky Obscured)

1
1
24
24
24
24
24
24
89
89
89
89
89
89
98
98
98
98
98
98
34
34
34
34

High Clouds (% Sky Obscured)

0
0
14
14
14
14
14
14
89
89
89
89
89
89
76
76
76
76
76
76
1
1
1
1

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
None
None
None
None
Very Light Rain
None
None
None
None
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 (%)

21
18
13
7
5
4
4
5
6
5
4
4
5
10
17
16
7
0
0
0
0
5
16
22

Precipitation Amount (mm)

0.03
0.03
0.03
0.03
0.02
0.01
0.01
0.02
0.03
0.05
0.09
0.11
0.11
0.15
0.18
0.11
0.02
0
0
0
0
0.03
0.19
0.33

Wind Speed/Direction (mph)

16
17
17
17
16
16
15
14
13
13
12
11
10
10
9
8
7
7
7
7
7
6
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
97
98
94
90
86
82
79
75
69
65
63
65
70
77
83
89
92
94
95
96
97
99
100

Pressure (mb)

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

Ozone (du)

369
370
371
371
372
372
372
371
371
372
373
374
373
372
371
373
375
376
373
369
366
364
362
360

Forecast for Swindon, Wiltshire, UK (51.56,-1.78)

Generated: 17/05/21 05:37:16. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00