Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 1

Waning Crescent 34%

00:26

16:28

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

Sun - Rise: 05:38, Set: 21:03, Transit: 13:20. Moon - Rise: 00:26, Set: 16:28. Civil Dark: 21:44 - 04:57. Nautical Dark: 22:42 - 04:01. Astro Dark: 00:04 - 02:42

Total Clouds (% Sky Obscured)

54
52
49
49
56
43
36
56
56
88
60
83
99
100
100
100
100
100
100
100
99
94
77
80

Low Clouds (% Sky Obscured)

47
46
45
45
52
39
33
54
45
59
32
63
61
59
15
28
33
25
16
0
0
0
3
13

Medium Clouds (% Sky Obscured)

31
31
25
22
27
28
22
27
33
27
40
40
42
61
57
83
98
100
100
100
98
94
77
79

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
11
63
25
53
97
100
100
99
99
98
99
97
79
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
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

Precipitation Probability (%)

14
15
10
9
7
5
5
6
6
6
7
7
11
13
21
27
29
31
34
28
27
12
6
3

Precipitation Amount (mm)

0.13
0.26
0.14
0.14
0.1
0.05
0.03
0.03
0.03
0.04
0.06
0.07
0.11
0.19
0.25
0.24
0.26
0.25
0.23
0.14
0.1
0.03
0.01
0.02

Wind Speed/Direction (mph)

3
2
3
3
3
3
3
3
3
2
2
2
2
3
3
6
6
7
7
7
7
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
86
86
88
90
93
95
99
99
97
94
91
84
83
87
89
91
91
89
86
79
79
81

Pressure (mb)

1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015

Ozone (du)

341
339
336
337
336
336
339
339
338
338
338
338
337
338
338
340
342
344
347
349
350
348
346
343

Monday 2

Waning Crescent 25%

00:49

17:36

22 Good
23 Good
00 Good
01 Good
02 OK
03 OK
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

Sun - Rise: 05:39, Set: 21:01, Transit: 13:20. Moon - Rise: 00:49, Set: 17:36. Civil Dark: 21:42 - 04:59. Nautical Dark: 22:40 - 04:04. Astro Dark: 23:59 - 02:47

Total Clouds (% Sky Obscured)

8
6
6
6
4
36
45
49
44
58
71
98
89
97
99
100
99
100
100
100
99
98
99
100

Low Clouds (% Sky Obscured)

8
4
6
6
4
36
33
1
0
0
2
3
37
47
63
88
34
41
37
63
20
19
20
23

Medium Clouds (% Sky Obscured)

0
3
0
0
0
0
0
0
0
1
2
0
5
0
0
0
16
41
51
58
43
36
63
83

High Clouds (% Sky Obscured)

0
0
0
0
0
0
15
48
44
57
70
98
83
95
99
99
99
99
100
100
99
98
98
99

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
1
32
31
0
0
0
0
2
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
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

Precipitation Probability (%)

3
4
5
4
8
13
16
13
7
5
3
0
0
0
2
3
4
7
13
15
17
17
13
7

Precipitation Amount (mm)

0.03
0.03
0.03
0.05
0.09
0.16
0.19
0.14
0.06
0.02
0.01
0
0
0
0.01
0.02
0.07
0.14
0.16
0.19
0.18
0.18
0.09
0.02

Wind Speed/Direction (mph)

3
3
2
2
2
2
2
2
2
1
2
2
3
4
4
3
4
4
4
4
4
4
3
2

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
8
8
8
8
10
12
13
14
16
16
17
17
16
16
15
14
14
12

Feels Like (°C)

10
10
9
9
9
9
8
8
8
8
10
12
13
14
16
16
17
17
16
16
15
14
14
12

Dew Point (°C)

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

Relative Humidity (%)

81
83
84
88
91
94
96
99
100
100
100
96
89
83
77
75
75
78
81
84
85
86
86
86

Pressure (mb)

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

Ozone (du)

339
340
340
335
335
334
334
335
333
331
330
329
329
329
329
328
328
329
330
331
334
334
335
337

Tuesday 3

Waning Crescent 17%

01:18

18:41

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

Sun - Rise: 05:41, Set: 21:00, Transit: 13:20. Moon - Rise: 01:18, Set: 18:41. Civil Dark: 21:40 - 05:00. Nautical Dark: 22:37 - 04:06. Astro Dark: 23:54 - 02:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
98
98
99
99
97
95
99
98
98
98
98
98
98
23
23
23

Low Clouds (% Sky Obscured)

6
1
0
4
10
12
9
9
9
1
4
48
52
82
54
25
25
25
25
25
25
9
9
9

Medium Clouds (% Sky Obscured)

93
91
88
83
78
70
58
44
31
37
42
29
30
21
10
52
52
52
52
52
52
23
23
23

High Clouds (% Sky Obscured)

100
100
100
100
99
99
99
98
98
98
98
99
93
91
98
97
97
97
97
97
97
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

6
5
5
8
7
5
5
7
8
0
0
0
5
5
5
6
7
14
16
21
12
7
5
4

Precipitation Amount (mm)

0.02
0.02
0.02
0.05
0.03
0.01
0.01
0.01
0.01
0
0
0
0.01
0.01
0.03
0.07
0.16
0.23
0.29
0.32
0.14
0.05
0.01
0.01

Wind Speed/Direction (mph)

2
2
2
3
3
3
3
3
3
2
2
3
4
5
7
5
6
6
7
7
6
4
3
3

Chance of Frost

Temperature (°C)

12
11
11
11
10
10
10
10
9
10
11
12
14
15
16
18
18
18
17
16
16
15
14
13

Feels Like (°C)

12
11
11
11
10
10
10
10
9
10
11
12
14
15
16
18
18
18
17
16
16
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

87
89
91
96
98
100
100
100
100
100
100
100
97
92
87
81
79
83
85
87
87
86
87
88

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1012
1013
1012
1012
1012
1013
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011

Ozone (du)

338
339
339
340
341
341
342
342
342
343
345
345
344
341
338
337
334
331
328
327
326
327
326
328

Wednesday 4

Waning Crescent 10%

01:57

19:37

22 OK
23 OK
00 OK
01 Bad
02 Bad
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

Sun - Rise: 05:43, Set: 20:58, Transit: 13:20. Moon - Rise: 01:57, Set: 19:37. Civil Dark: 21:38 - 05:02. Nautical Dark: 22:35 - 04:08. Astro Dark: 23:49 - 02:55

Total Clouds (% Sky Obscured)

23
23
23
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

9
9
9
68
68
68
68
68
68
41
41
41
41
41
41
38
38
38
38
38
38
38
38
38

Medium Clouds (% Sky Obscured)

23
23
23
7
7
7
7
7
7
98
98
98
98
98
98
69
69
69
69
69
69
95
95
95

High Clouds (% Sky Obscured)

0
0
0
100
100
100
100
100
100
99
99
99
99
99
99
95
95
95
95
95
95
64
64
64

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
9
10
10
10
4
4
9
10
8
8
8
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
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
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

Precipitation Probability (%)

4
4
6
9
10
17
21
34
44
12
36
40
49
47
41
33
37
37
38
35
36
35
18
20

Precipitation Amount (mm)

0.01
0.01
0.03
0.06
0.07
0.07
0.07
0.16
0.38
0.05
0.42
0.57
0.88
0.69
0.5
0.33
0.41
0.38
0.38
0.34
0.34
0.37
0.18
0.2

Wind Speed/Direction (mph)

3
3
3
5
5
7
8
10
11
9
9
10
12
11
11
11
11
12
12
13
14
16
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
92
96
98
100
100
100
100
100
100
100
100
100
100
100
99
97
97
97
96
93
92
93

Pressure (mb)

1011
1011
1010
1009
1008
1006
1005
1004
1004
1004
1003
1003
1002
1002
1001
1000
999
999
998
998
997
999
999
1000

Ozone (du)

330
333
337
336
335
338
340
342
343
342
341
342
343
345
346
349
352
354
355
357
357
355
355
356

Thursday 5

Waning Crescent 5%

02:47

20:23

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
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

Sun - Rise: 05:44, Set: 20:56, Transit: 13:20. Moon - Rise: 02:47, Set: 20:23. Civil Dark: 21:36 - 05:04. Nautical Dark: 22:32 - 04:11. Astro Dark: 23:45 - 03:00

Total Clouds (% Sky Obscured)

98
98
98
38
38
38
38
38
38
100
100
100
100
100
100
94
94
94
94
94
94
91
91
91

Low Clouds (% Sky Obscured)

38
38
38
30
30
30
30
30
30
100
100
100
100
100
100
65
65
65
65
65
65
35
35
35

Medium Clouds (% Sky Obscured)

95
95
95
14
14
14
14
14
14
98
98
98
98
98
98
88
88
88
88
88
88
47
47
47

High Clouds (% Sky Obscured)

64
64
64
0
0
0
0
0
0
95
95
95
95
95
95
9
9
9
9
9
9
83
83
83

ISS Passover

Visibility (miles)

10
10
10
9
6
4
4
7
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
Very Light Rain
Very Light Rain
Very Light Rain
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

Precipitation Probability (%)

21
26
27
34
34
31
35
30
22
18
19
20
24
33
37
39
38
32
25
21
21
23
22
25

Precipitation Amount (mm)

0.21
0.26
0.25
0.27
0.3
0.33
0.37
0.29
0.19
0.17
0.17
0.2
0.28
0.47
0.78
0.94
0.75
0.44
0.24
0.15
0.12
0.12
0.09
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
12
12
12
12
12
12
12
12
12
13
13
14
15
14
14
14
14
13
13
13
13
12

Feels Like (°C)

13
12
12
12
12
12
12
12
12
12
12
13
14
14
15
14
14
14
14
13
13
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

94
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
96
95
96

Pressure (mb)

1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
999
1000
1000
1000
999
1000
1000
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

355
354
354
355
355
355
356
356
357
360
359
357
356
355
354
358
358
359
360
361
361
362
363
363

Friday 6

Waning Crescent 1%

03:50

20:59

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
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

Sun - Rise: 05:46, Set: 20:54, Transit: 13:20. Moon - Rise: 03:50, Set: 20:59. Civil Dark: 21:34 - 05:06. Nautical Dark: 22:29 - 04:13. Astro Dark: 23:41 - 03:03

Total Clouds (% Sky Obscured)

91
91
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
35
35
100
100
100
100
100
100
100
100
100
100
100
100
51
51
51
51
51
51
8
8
8

Medium Clouds (% Sky Obscured)

47
47
47
10
10
10
10
10
10
4
4
4
4
4
4
100
100
100
100
100
100
99
99
99

High Clouds (% Sky Obscured)

83
83
83
1
1
1
1
1
1
31
31
31
31
31
31
98
98
98
98
98
98
91
91
91

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
7
3
2
5
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
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 (%)

29
35
39
38
36
30
27
24
25
25
23
19
15
17
22
24
20
15
13
14
22
31
40
39

Precipitation Amount (mm)

0.16
0.18
0.19
0.17
0.15
0.11
0.09
0.09
0.1
0.11
0.11
0.11
0.1
0.08
0.06
0.06
0.06
0.06
0.07
0.06
0.1
0.18
0.23
0.28

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
87
84
87
91
94
95
97

Pressure (mb)

1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1001
1001
1001
1001
1002
1002
1002
1002
1003
1003

Ozone (du)

363
362
361
360
359
357
356
355
354
354
353
353
352
352
351
350
350
351
351
351
351
351
351
352

Saturday 7

Waning Crescent 0%

05:02

21:27

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
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

Sun - Rise: 05:47, Set: 20:52, Transit: 13:20. Moon - Rise: 05:02, Set: 21:27. Civil Dark: 21:32 - 05:08. Nautical Dark: 22:27 - 04:16. Astro Dark: 23:36 - 03:07

Total Clouds (% Sky Obscured)

100
100
100
89
89
89
89
89
89
91
91
91
91
91
91
83
83
83
83
83
83
39
39
39

Low Clouds (% Sky Obscured)

8
8
8
48
48
48
48
48
48
90
90
90
90
90
90
79
79
79
79
79
79
32
32
32

Medium Clouds (% Sky Obscured)

99
99
99
70
70
70
70
70
70
20
20
20
20
20
20
27
27
27
27
27
27
29
29
29

High Clouds (% Sky Obscured)

91
91
91
51
51
51
51
51
51
0
0
0
0
0
0
23
23
23
23
23
23
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
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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

36
36
34
33
29
19
13
13
12
10
8
9
12
10
8
8
9
12
19
32
43
48
51
50

Precipitation Amount (mm)

0.33
0.38
0.42
0.41
0.31
0.19
0.12
0.08
0.06
0.05
0.04
0.03
0.02
0.01
0.01
0.01
0.01
0.04
0.1
0.21
0.37
0.5
0.54
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
11
11
11
11
11
11
10
10
11
12
12
13
14
15
16
17
16
16
15
14
14
13

Feels Like (°C)

12
11
11
11
11
11
11
11
10
10
11
12
12
13
14
15
16
17
16
16
15
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
98
91
86
85
88
93
98
99
99
98

Pressure (mb)

1004
1004
1005
1005
1005
1005
1005
1006
1006
1007
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010

Ozone (du)

352
352
351
350
350
350
349
348
346
343
340
336
332
330
329
327
326
324
322
321
319
317
317
317

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

Generated: 01/08/21 22:09:14. Forecast: 01/08/21 to 07/08/21. Timezone: UTC+1.00