Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waning Crescent 37%

No Rise

16:38

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

Sun - Rise: 07:02, Set: 19:10, Transit: 13:06. Moon - Rise: No Rise, Set: 16:38. Civil Dark: 19:44 - 06:28. Nautical Dark: 20:24 - 05:48. Astro Dark: 21:06 - 05:06

Total Clouds (% Sky Obscured)

100
54
16
6
20
82
100
96
96
89
100
100
100
100
100
99
86
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
48
15
5
19
82
100
95
73
49
42
41
44
51
55
27
16
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

2
13
2
2
3
0
0
0
5
0
11
97
100
100
99
94
83
100
77
16
44
18
23
34

High Clouds (% Sky Obscured)

2
1
0
0
0
0
8
40
92
81
99
98
100
12
71
97
27
8
4
7
41
68
29
31

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
6
6
7
7
6
3
3
6

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

Precipitation Probability (%)

31
71
17
6
0
0
0
6
7
11
14
14
14
30
57
74
77
70
61
54
49
44
32
32

Precipitation Amount (mm)

0.26
1.41
0.15
0.03
0
0
0
0.01
0.02
0.05
0.09
0.11
0.13
0.22
0.5
1
1.35
1.18
0.79
0.49
0.28
0.13
0.07
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
88
86
85
86
88
90
90
89
86
84
83
82
79
83
86
85
82
82
84
86
87
88

Pressure (mb)

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

Ozone (du)

310
310
311
311
310
306
300
294
290
286
283
280
277
276
275
276
277
280
284
286
287
286
285
286

Tuesday 24

Waning Crescent 26%

00:44

17:26

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
22 Bad
23 Bad

Sun - Rise: 07:04, Set: 19:08, Transit: 13:06. Moon - Rise: 00:44, Set: 17:26. Civil Dark: 19:42 - 06:30. Nautical Dark: 20:22 - 05:50. Astro Dark: 21:03 - 05:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
63
95
60
100
100
100
99
100
100
100
99
100

Low Clouds (% Sky Obscured)

99
100
100
100
100
96
98
94
100
99
79
87
26
33
27
44
100
100
95
95
98
100
98
99

Medium Clouds (% Sky Obscured)

38
40
69
38
88
31
23
41
39
15
18
21
34
27
30
99
100
100
91
82
99
97
84
99

High Clouds (% Sky Obscured)

37
31
35
29
77
95
98
98
99
100
98
77
40
91
32
66
27
26
83
99
97
73
45
51

ISS Passover

Visibility (miles)

10
10
10
10
8
10
10
10
10
6
4
6
9
10
10
10
10
10
9
6
4
3
1
1

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

Precipitation Probability (%)

41
44
42
39
40
48
57
68
68
68
68
62
52
47
31
17
14
19
35
45
53
55
55
48

Precipitation Amount (mm)

0.18
0.3
0.31
0.32
0.35
0.43
0.61
0.72
0.57
0.55
0.67
0.58
0.5
0.51
0.32
0.14
0.1
0.12
0.25
0.43
0.53
0.58
0.59
0.51

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
87
87
87
88
89
91
92
91
87
84
82
79
76
74
74
77
80
85
86
87
87
87

Pressure (mb)

1003
1003
1002
1002
1001
1000
999
999
999
999
999
999
999
999
999
999
999
999
998
998
998
998
997
997

Ozone (du)

287
288
288
289
289
288
287
287
288
291
294
296
298
299
299
298
297
296
294
294
296
298
300
300

Wednesday 25

Waning Crescent 17%

01:58

18:04

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 OK
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:05, Set: 19:06, Transit: 13:05. Moon - Rise: 01:58, Set: 18:04. Civil Dark: 19:39 - 06:31. Nautical Dark: 20:19 - 05:52. Astro Dark: 21:01 - 05:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
89
88
88
97
98
88
97
95
74
51
29
41
36
31
31
31
31
31

Low Clouds (% Sky Obscured)

100
99
100
100
100
100
89
88
88
97
98
86
96
94
73
50
28
41
34
26
26
26
26
26

Medium Clouds (% Sky Obscured)

34
35
42
54
27
4
6
2
6
20
23
41
41
29
17
16
2
0
2
10
10
10
10
10

High Clouds (% Sky Obscured)

49
23
5
2
1
0
0
0
0
0
5
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
3
5
7
7
8
8
9
10
10
10
10
10
10
10
10
10
10
8
5
2
0
1

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

Precipitation Probability (%)

43
38
32
23
18
15
11
9
6
5
4
3
2
3
3
4
5
4
3
4
27
48
62
59

Precipitation Amount (mm)

0.38
0.28
0.22
0.16
0.12
0.09
0.06
0.04
0.03
0.02
0.02
0.02
0.02
0.03
0.04
0.05
0.06
0.03
0.01
0.02
0.11
0.44
0.78
0.75

Wind Speed/Direction (mph)

4
3
3
3
3
5
7
8
9
10
10
11
11
11
12
12
11
10
8
6
6
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
87
86
86
87
89
89
87
84
81
78
75
72
71
74
76
77
79
81
82
83
84

Pressure (mb)

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

Ozone (du)

300
300
300
299
299
299
299
298
298
298
297
295
294
292
290
288
286
285
285
285
285
284
284
284

Thursday 26

Waning Crescent 8%

03:21

18:35

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
22 Bad
23 OK

Sun - Rise: 07:07, Set: 19:03, Transit: 13:05. Moon - Rise: 03:21, Set: 18:35. Civil Dark: 19:37 - 06:33. Nautical Dark: 20:17 - 05:53. Astro Dark: 20:58 - 05:12

Total Clouds (% Sky Obscured)

31
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
39
39
39
39
39

Low Clouds (% Sky Obscured)

26
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
29
29
29
29
29

Medium Clouds (% Sky Obscured)

10
73
73
73
73
73
73
52
52
52
52
52
52
100
100
100
100
100
100
31
31
31
31
31

High Clouds (% Sky Obscured)

0
2
2
2
2
2
2
92
92
92
92
92
92
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
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
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 (%)

47
48
38
23
21
25
32
34
29
16
12
10
12
16
18
19
22
21
22
20
19
20
20
17

Precipitation Amount (mm)

0.54
0.36
0.26
0.19
0.17
0.21
0.27
0.3
0.21
0.11
0.07
0.06
0.08
0.12
0.19
0.31
0.36
0.25
0.12
0.07
0.06
0.05
0.06
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
83
83
82
82
83
85
91
89
84
80
79
76
74
74
75
77
76
77
79
80
81
82

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006

Ozone (du)

285
286
286
285
286
289
292
294
294
292
291
293
297
301
302
304
305
307
309
310
311
311
311
310

Friday 27

Waning Crescent 3%

04:48

19:01

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
22 Bad
23 Bad

Sun - Rise: 07:09, Set: 19:01, Transit: 13:05. Moon - Rise: 04:48, Set: 19:01. Civil Dark: 19:35 - 06:35. Nautical Dark: 20:14 - 05:55. Astro Dark: 20:55 - 05:14

Total Clouds (% Sky Obscured)

39
89
89
89
89
89
89
90
90
90
90
90
90
81
81
81
81
81
81
74
74
74
74
74

Low Clouds (% Sky Obscured)

29
88
88
88
88
88
88
88
88
88
88
88
88
75
75
75
75
75
75
51
51
51
51
51

Medium Clouds (% Sky Obscured)

31
23
23
23
23
23
23
25
25
25
25
25
25
34
34
34
34
34
34
29
29
29
29
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
13
13
13
13
13
13
45
45
45
45
45

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
6
4
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

14
15
15
18
22
24
30
32
31
28
29
34
42
46
48
50
48
46
44
42
37
31
25
22

Precipitation Amount (mm)

0.09
0.1
0.09
0.08
0.1
0.11
0.12
0.15
0.16
0.2
0.26
0.43
0.73
0.94
0.83
0.57
0.4
0.36
0.39
0.41
0.3
0.17
0.12
0.13

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
85
85
86
86
86
83
80
77
74
73
72
73
74
74
75
74
73
75
75
77
79

Pressure (mb)

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

Ozone (du)

308
307
308
311
313
314
315
316
316
315
315
315
315
316
315
315
315
316
318
318
318
316
314
313

Saturday 28

New Moon 0%

06:15

19:24

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
22 OK
23 OK

Sun - Rise: 07:10, Set: 18:59, Transit: 13:04. Moon - Rise: 06:15, Set: 19:24. Civil Dark: 19:32 - 06:37. Nautical Dark: 20:12 - 05:57. Astro Dark: 20:53 - 05:16

Total Clouds (% Sky Obscured)

74
100
100
100
100
100
100
100
100
100
100
100
100
72
72
72
72
72
72
27
27
27
27
27

Low Clouds (% Sky Obscured)

51
100
100
100
100
100
100
100
100
100
100
100
100
15
15
15
15
15
15
25
25
25
25
25

Medium Clouds (% Sky Obscured)

29
98
98
98
98
98
98
40
40
40
40
40
40
70
70
70
70
70
70
11
11
11
11
11

High Clouds (% Sky Obscured)

45
2
2
2
2
2
2
84
84
84
84
84
84
0
0
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

23
23
22
20
18
15
9
6
6
7
8
8
8
8
6
5
2
2
3
6
9
12
16
26

Precipitation Amount (mm)

0.16
0.19
0.18
0.16
0.14
0.08
0.04
0.02
0.02
0.03
0.04
0.07
0.1
0.11
0.07
0.03
0.02
0.02
0.02
0.02
0.03
0.07
0.12
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
82
83
84
85
87
86
83
79
75
71
67
64
63
64
67
70
70
70
72
74
76
78

Pressure (mb)

1008
1009
1009
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012

Ozone (du)

312
311
312
313
313
311
308
306
305
304
304
304
304
305
306
308
309
310
309
309
309
309
309
311

Sunday 29

Waxing Crescent 1%

07:43

19:46

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 OK
22 OK
23 OK

Sun - Rise: 07:12, Set: 18:56, Transit: 13:04. Moon - Rise: 07:43, Set: 19:46. Civil Dark: 19:30 - 06:38. Nautical Dark: 20:09 - 05:59. Astro Dark: 20:50 - 05:18

Total Clouds (% Sky Obscured)

27
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
38
38
38
38
38

Low Clouds (% Sky Obscured)

25
98
98
98
98
98
98
100
100
100
100
100
100
95
95
95
95
95
95
19
19
19
19
19

Medium Clouds (% Sky Obscured)

11
10
10
10
10
10
10
100
100
100
100
100
100
97
97
97
97
97
97
32
32
32
32
32

High Clouds (% Sky Obscured)

0
99
99
99
99
99
99
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
9
9
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
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
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 (%)

45
52
48
37
30
40
48
48
42
24
16
16
17
16
15
16
18
20
21
19
14
11
9
5

Precipitation Amount (mm)

0.32
0.4
0.35
0.25
0.23
0.42
0.81
1.03
0.72
0.31
0.13
0.14
0.24
0.34
0.32
0.26
0.24
0.25
0.27
0.26
0.2
0.14
0.09
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
81
81
80
80
82
83
81
79
76
74
72
70
71
72
73
74
75
73
74
76
77
78

Pressure (mb)

1012
1011
1011
1010
1009
1009
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1009
1010
1010

Ozone (du)

314
315
315
314
313
314
315
317
319
321
323
324
324
324
324
323
323
322
321
321
320
319
317
314

Forecast for Rhayader, Powys LD6 5HP, UK (52.27,-3.57)

Generated: 23/09/19 00:20:26. Forecast: 23/09/19 to 29/09/19. Timezone: UTC+1.00