Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:13

02:22

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: 05:15, Set: 21:07, Transit: 13:11. Moon - Rise: 09:13, Set: 02:22. Civil Dark: 21:50 - 04:30. Nautical Dark: 22:51 - 03:28. Astro Dark: 00:47 - N/A

Total Clouds (% Sky Obscured)

100
100
100
92
89
97
85
87
43
72
88
84
85
94
94
98
98
98
99
98
99
95
96
90

Low Clouds (% Sky Obscured)

100
100
100
92
89
97
84
86
38
21
27
24
8
11
27
56
63
38
70
51
98
91
95
88

Medium Clouds (% Sky Obscured)

1
1
2
2
6
9
13
10
10
0
0
0
0
0
13
26
27
27
92
95
81
59
20
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
65
84
79
84
93
91
95
95
96
94
85
63
6
6
0

ISS Passover

Visibility (miles)

10
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

100
100
100
91
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
1

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

Precipitation Probability (%)

12
47
12
9
8
9
11
13
7
6
5
5
0
5
4
4
5
8
15
24
39
37
27
18

Precipitation Amount (mm)

0.02
0.19
0.03
0.02
0.02
0.03
0.04
0.05
0.02
0.01
0.01
0.01
0
0.01
0.01
0.01
0.01
0.03
0.09
0.23
0.34
0.33
0.18
0.12

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
5
5
6
7
8
7
7
6
6
6
6
6
6
5
4
5
5
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

97
100
100
100
100
97
95
95
92
89
86
82
82
81
81
87
91
93
95
95
98
99
98
100

Pressure (mb)

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

Ozone (du)

384
386
389
392
392
391
391
393
393
393
390
387
385
386
385
385
386
387
387
388
387
388
389
388

Tuesday 18

Waxing Crescent 39%

10:23

02:50

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: 05:13, Set: 21:08, Transit: 13:11. Moon - Rise: 10:23, Set: 02:50. Civil Dark: 21:52 - 04:28. Nautical Dark: 22:53 - 03:26. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
72
49
47
50
66
90
76
86
94
96
81
96
60
90
54
42
100
100
100
71
63
42

Low Clouds (% Sky Obscured)

100
100
72
32
23
42
57
83
43
77
90
73
68
81
28
47
20
38
100
100
100
66
56
37

Medium Clouds (% Sky Obscured)

12
4
2
6
14
38
35
18
35
13
12
20
13
14
23
35
16
7
7
8
18
30
26
20

High Clouds (% Sky Obscured)

0
0
0
27
34
5
7
36
52
44
48
84
46
88
45
80
41
7
12
16
13
12
2
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
25
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

11
7
6
5
5
5
5
22
36
45
61
60
51
47
34
33
21
13
9
9
8
8
10
11

Precipitation Amount (mm)

0.06
0.03
0.02
0.01
0.02
0.03
0.04
0.26
0.36
0.41
0.6
0.52
0.4
0.51
0.43
0.35
0.16
0.11
0.07
0.08
0.09
0.09
0.13
0.15

Wind Speed/Direction (mph)

7
7
8
9
9
10
9
9
10
10
9
8
7
7
6
5
4
4
4
4
5
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
4
4
5
7
10
11
10
7
6
6
6
6
6
7
6
5
5
5
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
99
95
87
80
78
85
92
99
100
100
100
100
100
99
97
97
96
95
94
94
95

Pressure (mb)

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

Ozone (du)

388
388
391
390
391
391
391
391
388
388
389
391
392
394
398
399
398
398
397
396
395
395
395
394

Wednesday 19

First Quarter 50%

11:39

03:12

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 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:12, Set: 21:10, Transit: 13:11. Moon - Rise: 11:39, Set: 03:12. Civil Dark: 21:53 - 04:27. Nautical Dark: 22:56 - 03:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

48
75
70
100
99
93
92
55
50
28
28
16
6
1
1
1
1
1
1
1
99
99
99
99

Low Clouds (% Sky Obscured)

43
74
67
100
99
92
91
52
49
20
25
14
1
1
1
1
1
1
1
1
66
66
66
66

Medium Clouds (% Sky Obscured)

20
16
25
11
32
18
16
13
7
20
13
9
6
1
1
1
1
1
1
1
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
0
1
0
0
0
0
0
0
0
0
0
0
96
96
96
96

ISS Passover

Visibility (miles)

10
10
7
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
None
None
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
Very Light Rain

Precipitation Probability (%)

10
7
7
5
5
7
10
12
7
6
5
4
4
3
4
4
0
0
0
0
3
12
20
23

Precipitation Amount (mm)

0.12
0.07
0.04
0.02
0.02
0.02
0.03
0.04
0.02
0.02
0.02
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0.01
0.05
0.11
0.16

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

97
100
100
100
100
100
100
99
93
84
76
72
73
78
84
90
94
95
95
94
94
97
98
99

Pressure (mb)

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

Ozone (du)

394
393
396
395
395
393
392
387
384
383
382
382
381
381
380
379
377
373
369
364
371
370
368
366

Thursday 20

Waxing Gibbous 61%

12:58

03:30

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: 05:11, Set: 21:11, Transit: 13:11. Moon - Rise: 12:58, Set: 03:30. Civil Dark: 21:55 - 04:25. Nautical Dark: 22:58 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
100
100
100
100
100
100
43
43
43
43
43
43
92
92
92
92

Low Clouds (% Sky Obscured)

66
66
52
52
52
52
52
52
100
100
100
100
100
100
27
27
27
27
27
27
89
89
89
89

Medium Clouds (% Sky Obscured)

0
0
99
99
99
99
99
99
100
100
100
100
100
100
38
38
38
38
38
38
54
54
54
54

High Clouds (% Sky Obscured)

96
96
96
96
96
96
96
96
6
6
6
6
6
6
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

20
16
33
33
26
20
25
26
21
27
36
50
54
55
53
44
28
30
48
58
46
46
40
53

Precipitation Amount (mm)

0.13
0.08
0.28
0.24
0.17
0.17
0.26
0.43
0.28
0.27
0.28
0.32
0.34
0.32
0.25
0.24
0.21
0.23
0.35
0.43
0.61
0.79
0.25
0.42

Wind Speed/Direction (mph)

7
8
8
9
11
12
12
12
12
13
13
13
13
14
14
14
14
14
15
15
15
16
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
5
6
7
7
10
10
7
6
6
5
5
6
6
6
6
6
6
5
5
4
4

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
99
92
88
85
85
90
95
97
99
97
97
96
98
99
100
100
100
100
100
100

Pressure (mb)

1020
1020
1018
1018
1017
1016
1016
1015
1016
1015
1015
1014
1014
1014
1016
1015
1014
1013
1012
1010
1009
1007
1006
1005

Ozone (du)

365
364
365
363
360
359
359
360
360
359
357
355
353
351
335
335
339
341
345
348
364
369
374
374

Friday 21

Waxing Gibbous 72%

14:20

03:46

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: 05:09, Set: 21:12, Transit: 13:11. Moon - Rise: 14:20, Set: 03:46. Civil Dark: 21:57 - 04:23. Nautical Dark: 23:01 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
92
95
95
95
95
95
95
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

89
89
88
88
88
88
88
88
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

54
54
88
88
88
88
88
88
88
88
88
88
88
88
81
81
81
81
81
81
99
99
99
99

High Clouds (% Sky Obscured)

0
0
27
27
27
27
27
27
0
0
0
0
0
0
9
9
9
9
9
9
0
0
0
0

ISS Passover

Visibility (miles)

3
9
10
10
10
10
10
10
10
10
10
8
7
7
8
7
4
1
1
2
3
2
1
0

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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

45
54
55
45
41
41
44
58
64
79
83
84
83
82
83
81
78
75
75
75
74
76
77
78

Precipitation Amount (mm)

0.35
0.46
0.45
0.31
0.29
0.25
0.28
0.28
0.36
0.47
0.7
0.95
1.03
0.99
1.05
0.84
0.65
0.6
0.68
0.92
1.19
1.36
1.5
1.69

Wind Speed/Direction (mph)

18
18
16
17
18
19
19
19
18
18
18
18
19
19
20
19
19
19
20
20
20
21
21
21

Chance of Frost

Temperature (°C)

8
8
8
9
9
9
9
9
8
8
7
7
8
8
8
8
8
8
8
8
8
8
8
8

Feels Like (°C)

4
4
5
5
5
6
5
5
4
3
3
3
3
4
3
4
4
4
4
4
3
3
3
3

Dew Point (°C)

8
8
8
9
9
9
9
9
8
8
7
7
8
8
8
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

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

Ozone (du)

374
373
369
370
372
372
367
365
365
366
368
367
366
365
366
365
362
361
361
363
365
366
366
366

Saturday 22

Waxing Gibbous 82%

15:43

04:02

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: 05:08, Set: 21:14, Transit: 13:11. Moon - Rise: 15:43, Set: 04:02. Civil Dark: 21:59 - 04:22. Nautical Dark: 23:03 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
95
95
95
95
95
95
53
53
53
53
53
53
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
95
95
95
95
95
95
35
35
35
35
35
35
100
100
100
100

Medium Clouds (% Sky Obscured)

99
99
34
34
34
34
34
34
20
20
20
20
20
20
37
37
37
37
37
37
39
39
39
39

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
25
25
25

ISS Passover

Visibility (miles)

0
1
2
5
8
10
10
10
10
7
2
0
2
6
8
6
2
0
4
10
10
10
5
0

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
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
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

Precipitation Probability (%)

78
79
78
77
77
76
73
72
71
72
73
73
67
68
69
69
68
64
61
60
62
67
70
70

Precipitation Amount (mm)

2.04
2.49
2.69
2.36
1.8
1.4
1.21
1.1
0.95
0.72
0.5
0.37
0.36
0.41
0.43
0.38
0.31
0.27
0.27
0.3
0.36
0.52
0.8
0.98

Wind Speed/Direction (mph)

21
21
20
19
18
17
17
17
17
16
14
13
14
15
15
16
15
15
15
14
14
13
13
12

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
7
7
7
7
7
7

Feels Like (°C)

3
3
3
4
4
4
4
4
4
4
4
5
5
5
5
5
5
4
4
4
4
4
4
4

Dew Point (°C)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
7
7
7
7
7
7

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

992
992
993
994
995
996
996
997
997
997
998
998
998
999
999
1000
1000
1001
1002
1002
1002
1003
1003
1003

Ozone (du)

365
364
363
365
368
369
368
365
363
363
363
363
365
366
368
371
375
378
379
379
379
377
375
373

Sunday 23

Waxing Gibbous 90%

17:10

04:19

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 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:07, Set: 21:15, Transit: 13:11. Moon - Rise: 17:10, Set: 04:19. Civil Dark: 22:00 - 04:21. Nautical Dark: 23:05 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
99
99
99
99
99
96
96
96
96
96
96
34
34
34
34
34
34
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
78
78
78
78
78
78
40
40
40
40
40
40
21
21
21
21
21
21
100
100
100
100

Medium Clouds (% Sky Obscured)

39
39
45
45
45
45
45
45
95
95
95
95
95
95
23
23
23
23
23
23
37
37
37
37

High Clouds (% Sky Obscured)

25
25
98
98
98
98
98
98
0
0
0
0
0
0
1
1
1
1
1
1
15
15
15
15

ISS Passover

Visibility (miles)

0
0
0
0
1
2
6
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
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

Precipitation Probability (%)

67
62
53
46
40
32
32
38
36
35
35
31
21
9
7
8
10
11
8
5
0
0
0
0

Precipitation Amount (mm)

0.85
0.58
0.39
0.26
0.17
0.13
0.13
0.16
0.19
0.21
0.23
0.22
0.13
0.05
0.02
0.02
0.01
0.01
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
96
90
87
88
93
100
100
100
100
100
100
100
100

Pressure (mb)

1004
1004
1005
1005
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1009
1008
1008
1008
1008
1008

Ozone (du)

372
371
370
369
367
367
368
370
371
370
369
368
370
372
374
373
371
368
366
364
362
361
360
359

Forecast for Rhayader LD6 5HF, UK (52.27,-3.69)

Generated: 17/05/21 05:14:30. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00