Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 17%

06:08

13:03

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:19, Set: 17:34, Transit: 12:28. Moon - Rise: 06:08, Set: 13:03. Civil Dark: 18:09 - 06:44. Nautical Dark: 18:48 - 06:05. Astro Dark: 19:28 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
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)

72
99
100
100
100
100
84
75
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

88
100
100
96
100
98
99
98
98
84
70
79
66
98
70
68
99
100
100
100
100
100
100
81

High Clouds (% Sky Obscured)

100
100
100
45
69
95
98
99
97
95
96
95
93
84
77
88
84
33
24
3
8
4
0
0

ISS Passover

Visibility (miles)

4
0
0
1
2
2
1
1
5
10
10
10
10
10
10
10
10
10
10
10
10
10
7
5

Fog (%)

-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0

Precipitation Type

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
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 (%)

51
93
26
45
63
70
73
74
69
62
54
38
32
27
24
21
22
27
31
35
47
63
77
79

Precipitation Amount (mm)

0.04
0.18
0.14
0.27
0.43
0.56
0.67
0.71
0.66
0.55
0.44
0.33
0.25
0.23
0.21
0.2
0.22
0.26
0.31
0.37
0.4
0.44
0.58
0.97

Wind Speed/Direction (mph)

11
11
11
11
12
14
17
19
20
20
20
20
20
20
19
19
19
19
20
20
21
22
22
21

Chance of Frost

Temperature (°C)

2
3
3
4
4
5
5
6
6
7
7
7
7
7
7
7
7
7
8
8
8
8
8
8

Feels Like (°C)

-2
-2
-1
-0
-0
0
0
1
1
2
2
3
3
3
3
3
3
3
3
3
3
3
3
4

Dew Point (°C)

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

Relative Humidity (%)

94
96
99
100
100
100
100
100
99
97
95
96
95
95
95
95
94
94
93
92
93
93
94
96

Pressure (mb)

1020
1020
1020
1019
1018
1017
1016
1015
1014
1013
1012
1012
1011
1011
1010
1010
1009
1008
1007
1006
1005
1004
1003
1002

Ozone (du)

325
324
323
321
320
320
320
319
317
314
312
312
313
314
315
316
316
315
314
313
314
316
318
319

Thursday 20

Waning Crescent 10%

06:47

14:02

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 Bad
23 Bad
00 Bad
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:17, Set: 17:36, Transit: 12:27. Moon - Rise: 06:47, Set: 14:02. Civil Dark: 18:11 - 06:42. Nautical Dark: 18:50 - 06:03. Astro Dark: 19:29 - 05:24

Total Clouds (% Sky Obscured)

100
100
100
100
99
24
56
46
38
40
31
25
10
18
48
41
34
30
25
49
59
96
91
63

Low Clouds (% Sky Obscured)

100
100
97
67
84
22
26
38
34
37
27
22
9
18
27
36
34
29
20
49
55
95
91
61

Medium Clouds (% Sky Obscured)

100
100
100
100
98
7
47
19
13
9
15
9
5
2
0
0
0
0
0
0
0
84
27
4

High Clouds (% Sky Obscured)

74
100
98
98
98
0
0
0
0
0
0
0
0
0
31
11
0
0
7
0
8
28
5
6

ISS Passover

Visibility (miles)

3
2
2
4
6
9
10
10
10
10
10
10
10
10
10
10
9
10
10
10
10
10
10
10

Fog (%)

0
0
92
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
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

81
82
83
81
73
56
44
41
32
27
27
26
22
20
14
9
6
5
7
8
8
9
10
10

Precipitation Amount (mm)

1.59
2.03
1.9
1.48
1.09
0.73
0.41
0.23
0.16
0.14
0.14
0.15
0.19
0.2
0.14
0.07
0.04
0.02
0.02
0.03
0.03
0.04
0.05
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
7
5
3
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
4
4

Feels Like (°C)

3
2
0
-2
-4
-4
-4
-4
-4
-4
-3
-3
-3
-3
-3
-3
-3
-2
-2
-2
-2
-1
-1
-1

Dew Point (°C)

7
7
5
3
2
1
-0
-1
-1
-1
-1
-0
0
1
1
1
1
1
1
1
1
2
2
3

Relative Humidity (%)

99
100
100
100
98
94
86
82
80
80
81
83
84
86
87
87
87
87
88
88
88
89
90
92

Pressure (mb)

1002
1002
1003
1005
1007
1009
1010
1012
1013
1014
1016
1017
1018
1019
1020
1021
1022
1022
1023
1023
1023
1023
1023
1022

Ozone (du)

320
326
337
352
366
379
391
400
404
406
404
399
392
384
375
367
359
353
349
346
344
344
344
344

Friday 21

Waning Crescent 5%

07:18

15:07

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:15, Set: 17:38, Transit: 12:27. Moon - Rise: 07:18, Set: 15:07. Civil Dark: 18:12 - 06:40. Nautical Dark: 18:52 - 06:01. Astro Dark: 19:31 - 05:22

Total Clouds (% Sky Obscured)

95
100
100
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)

92
87
89
100
88
88
88
88
88
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

46
95
97
87
91
91
91
91
91
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

2
99
100
98
100
100
100
100
100
100
88
88
88
88
88
88
51
51
51
51
51
51
95
95

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
6
3
3
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

10
11
9
7
7
8
10
11
9
8
9
11
16
25
38
41
44
49
49
46
39
31
23
13

Precipitation Amount (mm)

0.08
0.09
0.09
0.09
0.09
0.1
0.11
0.12
0.1
0.08
0.07
0.07
0.12
0.21
0.42
0.76
1.05
1.13
1.09
0.94
0.64
0.32
0.15
0.1

Wind Speed/Direction (mph)

20
21
22
23
24
25
25
26
26
26
26
26
26
26
26
26
27
26
26
25
25
25
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
-1
-0
-0
0
0
1
1
1
2
2
2
3
3
4
5
6
10
5
4
3
3

Dew Point (°C)

3
4
4
4
5
5
5
5
5
5
5
6
6
6
6
7
7
7
8
8
8
7
7
6

Relative Humidity (%)

94
95
95
96
96
95
95
95
94
92
92
92
92
92
91
91
90
88
87
86
87
88
90
92

Pressure (mb)

1022
1022
1022
1022
1021
1021
1020
1019
1019
1018
1018
1018
1017
1017
1017
1016
1015
1015
1014
1014
1014
1015
1016
1016

Ozone (du)

344
344
344
344
345
345
345
344
342
339
335
332
327
324
323
323
322
321
320
319
319
319
319
321

Saturday 22

Waning Crescent 1%

07:42

16:15

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:13, Set: 17:40, Transit: 12:27. Moon - Rise: 07:42, Set: 16:15. Civil Dark: 18:14 - 06:38. Nautical Dark: 18:54 - 05:59. Astro Dark: 19:33 - 05:20

Total Clouds (% Sky Obscured)

100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
48
48
48
48
48
48
45
45
45
45
45
45
50
50
50
50
50
50
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
89
89
89
89
89
89
66
66
66
66
66
66
95
95
95
95
95
95
93
93

High Clouds (% Sky Obscured)

95
95
95
95
94
94
94
94
94
94
100
100
100
100
100
100
99
99
99
99
99
99
85
85

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
6
4
3
3
2
1
1
1
2

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

Precipitation Probability (%)

7
5
5
6
6
7
8
8
9
14
21
24
30
41
54
59
62
67
71
75
79
82
83
81

Precipitation Amount (mm)

0.08
0.06
0.04
0.03
0.02
0.01
0.02
0.04
0.07
0.12
0.19
0.29
0.42
0.59
0.83
1.13
1.45
1.83
2.24
2.44
2.28
1.95
1.64
1.31

Wind Speed/Direction (mph)

23
23
24
24
24
24
24
24
22
21
20
20
20
20
19
19
18
19
19
20
21
22
22
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
3
3
4
4
5
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

92
91
90
88
87
87
88
89
90
90
91
88
89
89
90
90
91
92
92
92
92
92
94
96

Pressure (mb)

1017
1018
1019
1019
1020
1020
1020
1020
1020
1020
1021
1021
1020
1020
1019
1018
1017
1015
1014
1013
1012
1012
1012
1012

Ozone (du)

324
326
327
327
329
331
334
338
343
348
352
353
352
351
350
349
347
344
341
340
341
345
348
352

Sunday 23

New Moon 0%

08:02

17:24

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:10, Set: 17:42, Transit: 12:27. Moon - Rise: 08:02, Set: 17:24. Civil Dark: 18:16 - 06:36. Nautical Dark: 18:55 - 05:57. Astro Dark: 19:35 - 05:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

93
93
93
93
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

85
85
85
85
84
84
84
84
84
84
40
40
40
40
40
40
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
7
9
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

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

Precipitation Probability (%)

76
64
45
20
16
21
26
27
20
11
8
7
6
4
4
5
6
5
4
4
5
7
12
30

Precipitation Amount (mm)

0.98
0.7
0.39
0.14
0.05
0.05
0.09
0.11
0.08
0.04
0.02
0.03
0.06
0.1
0.11
0.1
0.1
0.1
0.1
0.11
0.11
0.14
0.21
0.45

Wind Speed/Direction (mph)

21
20
21
22
23
22
20
17
14
10
7
6
5
5
6
6
7
8
10
11
13
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
2
1
0
-0
-1
-1
-1
-0
1
1
2
2
2
2
1
1
2
2
2
1
1
1

Dew Point (°C)

8
7
7
6
5
4
4
3
3
2
2
2
1
1
1
1
2
2
3
4
4
4
4
4

Relative Humidity (%)

97
98
98
96
95
95
97
97
95
92
89
86
83
81
80
81
83
85
86
86
87
88
91
93

Pressure (mb)

1013
1015
1016
1017
1019
1020
1021
1022
1023
1024
1025
1025
1026
1026
1026
1025
1024
1023
1022
1021
1020
1019
1018
1017

Ozone (du)

356
360
365
370
372
370
366
362
360
358
358
358
359
360
358
356
353
351
349
347
347
348
347
346

Monday 24

Waxing Crescent 1%

08:02

18:32

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:08, Set: 17:44, Transit: 12:27. Moon - Rise: 08:02, Set: 18:32. Civil Dark: 18:18 - 06:34. Nautical Dark: 18:57 - 05:55. Astro Dark: 19:36 - 05:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
66
66

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
60
60

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
1
1
1
1
92
92
92
92
92
92
100
100
100
100
100
100
41
41

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
91
91
91
91
91
91
100
100
100
100
100
100
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

38
42
42
34
28
22
17
17
20
37
51
53
52
47
26
17
10
8
5
9
9
9
18
25

Precipitation Amount (mm)

0.9
1.19
0.89
0.44
0.21
0.12
0.09
0.08
0.11
0.27
0.44
0.45
0.39
0.3
0.19
0.08
0.03
0.01
0.01
0.01
0.02
0.03
0.04
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
6
7
8
9
9
8
7
7
7
7
7
7
6
6
5
4
4
4
3
3
3
3
2

Feels Like (°C)

1
1
3
4
5
5
4
3
2
2
2
2
2
2
1
0
-1
-1
-1
-2
-2
-2
-3
-3

Dew Point (°C)

5
5
7
8
9
9
8
7
7
7
6
6
5
5
4
2
1
1
1
1
1
0
1
1

Relative Humidity (%)

95
96
97
98
99
100
99
99
98
98
95
93
92
90
87
84
82
82
82
82
83
85
87
87

Pressure (mb)

1015
1014
1013
1012
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1005
1005

Ozone (du)

344
343
345
349
351
351
349
348
347
347
347
348
349
351
354
358
361
362
361
361
364
367
372
379

Tuesday 25

Waxing Crescent 4%

08:19

19:39

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:06, Set: 17:45, Transit: 12:27. Moon - Rise: 08:19, Set: 19:39. Civil Dark: 18:20 - 06:32. Nautical Dark: 18:59 - 05:53. Astro Dark: 19:38 - 05:13

Total Clouds (% Sky Obscured)

66
66
66
66
27
27
27
27
27
27
98
98
98
98
98
98
100
100
100
100
100
100
98
98

Low Clouds (% Sky Obscured)

60
60
60
60
20
20
20
20
20
20
97
97
97
97
97
97
99
99
99
99
99
99
95
95

Medium Clouds (% Sky Obscured)

41
41
41
41
0
0
0
0
0
0
37
37
37
37
37
37
44
44
44
44
44
44
76
76

High Clouds (% Sky Obscured)

0
0
0
0
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0
0
0
0
23
23

ISS Passover

Visibility (miles)

10
10
7
3
1
1
3
5
7
10
10
10
8
6
4
2
2
4
9
10
10
8
7
9

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

31
41
43
43
50
54
58
58
50
37
25
22
21
20
16
14
14
17
23
28
40
52
56
55

Precipitation Amount (mm)

0.14
0.22
0.27
0.3
0.36
0.5
0.67
0.77
0.67
0.5
0.38
0.34
0.33
0.31
0.24
0.18
0.16
0.19
0.31
0.48
0.68
0.91
1.03
0.9

Wind Speed/Direction (mph)

17
18
19
21
22
23
23
23
22
22
21
22
22
23
22
20
19
17
16
15
15
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-2
-2
-2
-2
-4
-5
-5
-6
-6
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4
-4
-4

Dew Point (°C)

0
0
0
1
1
0
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-0

Relative Humidity (%)

85
84
81
79
78
78
79
81
82
83
82
81
79
78
78
77
77
78
78
80
82
85
88
89

Pressure (mb)

1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1006
1007
1007
1007
1006
1006
1005
1005
1004
1004

Ozone (du)

386
394
400
405
410
414
418
421
423
425
424
418
411
404
401
399
397
395
394
392
386
380
374
370

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

Generated: 19/02/20 08:23:59. Forecast: 19/02/20 to 25/02/20. Timezone: UTC+0.00