Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waxing Crescent 8%

10:57

17:59

18 Good
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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:08, Set: 16:02, Transit: 12:05. Moon - Rise: 10:57, Set: 17:59. Civil Dark: 16:42 - 07:28. Nautical Dark: 17:26 - 06:44. Astro Dark: 18:07 - 06:03

Total Clouds (% Sky Obscured)

13
100
99
100
100
100
100
98
100
100
100
100
100
100
100
98
100
100
98
96
98
90
100
98

Low Clouds (% Sky Obscured)

3
2
9
2
0
0
0
0
0
0
0
18
100
100
100
98
100
100
96
88
92
84
100
91

Medium Clouds (% Sky Obscured)

0
0
0
0
1
100
100
63
66
100
100
100
100
100
45
35
96
98
72
68
88
49
65
77

High Clouds (% Sky Obscured)

10
100
99
100
100
96
99
97
99
80
81
86
0
0
0
0
0
0
0
0
16
3
15
38

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
2
1
6
10
10
10
9
8
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
55
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
3
6
32
32
26
44
50
39
45
40
42
48
48
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.01
0.07
0.21
0.4
0.32
0.62
0.54
0.32
0.26
0.23
0.32
0.37
0.37
0.36

Wind Speed/Direction (mph)

6
5
4
3
3
3
3
4
4
5
5
7
10
11
12
14
17
17
18
17
17
16
15
15

Chance of Frost

Temperature (°C)

2
1
1
1
1
0
1
1
1
1
2
2
3
3
4
5
6
5
5
4
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
82
83
85
86
89
88
88
89
88
89
93
97
100
100
100
99
96
97
97
97
95
93

Pressure (mb)

1017
1018
1018
1018
1018
1018
1017
1016
1015
1015
1014
1013
1011
1010
1008
1007
1007
1008
1008
1009
1008
1008
1009
1009

Ozone (du)

339
327
322
321
317
315
306
300
296
293
293
294
300
303
306
309
312
316
314
320
324
325
322
320

Monday 6

Waxing Crescent 16%

11:47

17:59

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:09, Set: 16:02, Transit: 12:06. Moon - Rise: 11:47, Set: 17:59. Civil Dark: 16:42 - 07:29. Nautical Dark: 17:26 - 06:45. Astro Dark: 18:07 - 06:04

Total Clouds (% Sky Obscured)

97
97
91
89
81
78
38
99
97
71
88
100
100
100
100
100
100
100
100
100
100
100
52
49

Low Clouds (% Sky Obscured)

94
96
88
84
77
59
15
17
9
5
1
0
3
4
6
66
100
100
100
100
100
100
24
27

Medium Clouds (% Sky Obscured)

62
43
26
52
37
30
17
24
63
31
69
97
100
100
100
100
99
100
100
100
100
97
38
34

High Clouds (% Sky Obscured)

46
2
0
0
2
38
16
99
97
63
75
100
100
100
100
100
100
100
100
98
65
0
0
2

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
1
1
2
3
4
5
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
100
100
88
0
0

Precipitation Type

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
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

35
22
12
9
6
5
14
12
8
11
9
7
6
11
23
30
54
65
68
80
77
70
75
69

Precipitation Amount (mm)

0.24
0.12
0.06
0.04
0.02
0.02
0.1
0.11
0.12
0.11
0.07
0.04
0.02
0.05
0.19
0.26
0.7
1.39
2.25
4.16
2.94
1.57
1.4
1.02

Wind Speed/Direction (mph)

16
15
14
13
12
11
10
8
6
6
7
9
10
13
16
18
22
22
22
22
20
12
14
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
87
86
87
87
87
89
92
96
97
95
94
96
98
100
100
100
100
99
97
94
97
92

Pressure (mb)

1010
1010
1011
1011
1011
1011
1010
1010
1009
1009
1007
1006
1004
1002
1000
997
995
992
988
986
986
984
983
982

Ozone (du)

318
319
319
319
318
316
318
317
316
318
319
318
328
329
329
329
330
330
333
336
341
349
356
359

Tuesday 7

Waxing Crescent 25%

12:21

19:20

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:11, Set: 16:01, Transit: 12:06. Moon - Rise: 12:21, Set: 19:20. Civil Dark: 16:42 - 07:30. Nautical Dark: 17:26 - 06:46. Astro Dark: 18:07 - 06:05

Total Clouds (% Sky Obscured)

73
52
100
100
100
100
97
100
100
99
63
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
42
99
99
81
100
91
100
50
59
62
100
94
94
94
94
94
94
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

56
13
77
94
90
56
36
68
100
96
6
98
96
96
96
96
96
96
100
100
100
100
100
100

High Clouds (% Sky Obscured)

23
7
71
91
88
41
44
53
97
93
0
92
99
99
99
99
99
99
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
11
11
11
11
11
11
11
11
11
11
11
11

Precipitation Type

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

Precipitation Probability (%)

71
36
51
53
56
56
59
56
50
62
67
67
69
66
68
61
62
66
66
65
60
43
27
38

Precipitation Amount (mm)

1.16
0.17
0.28
0.33
0.45
0.47
0.54
0.48
0.4
0.75
0.9
0.89
1.18
1.17
1.47
1.02
1.06
1.25
1.32
1.16
0.71
0.23
0.11
0.18

Wind Speed/Direction (mph)

18
19
20
20
21
21
21
21
20
20
17
16
18
18
17
13
12
12
12
12
13
13
12
11

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
4

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
4

Relative Humidity (%)

92
91
93
93
95
96
97
97
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

980
979
978
977
976
976
977
976
976
976
976
976
978
978
978
979
981
982
984
985
987
988
989
990

Ozone (du)

362
364
365
369
374
375
374
374
376
377
379
379
376
377
376
375
375
376
378
377
375
374
373
370

Wednesday 8

Waxing Crescent 36%

12:44

20:45

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:12, Set: 16:01, Transit: 12:06. Moon - Rise: 12:44, Set: 20:45. Civil Dark: 16:42 - 07:31. Nautical Dark: 17:26 - 06:47. Astro Dark: 18:07 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
67
67
67
67
67
67

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

95
95
95
95
95
95
47
47
47
47
47
47
8
8
8
8
8
8
0
0
0
0
0
0

High Clouds (% Sky Obscured)

97
97
97
97
97
97
91
91
91
91
91
91
0
0
0
0
0
0
6
6
6
6
6
6

ISS Passover

Visibility (miles)

3
0
0
0
1
2
10
10
10
10
10
10
8
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Precipitation Type

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
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
None
None

Precipitation Probability (%)

54
66
62
59
59
57
42
31
30
28
19
12
5
6
6
9
12
14
17
16
11
8
5
0

Precipitation Amount (mm)

0.43
0.69
0.48
0.42
0.46
0.41
0.34
0.21
0.18
0.15
0.1
0.06
0.02
0.03
0.04
0.07
0.09
0.12
0.13
0.1
0.06
0.03
0.01
0

Wind Speed/Direction (mph)

13
13
13
13
14
15
16
16
15
14
13
13
9
7
7
6
6
5
7
7
6
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
3
3
4
4
3
3
3
3
3
3
4
5
5
5
5
4
3
2

Relative Humidity (%)

100
100
100
100
100
100
98
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Pressure (mb)

990
989
991
992
993
994
996
998
999
1000
1001
1002
1003
1004
1005
1006
1006
1006
1005
1005
1005
1005
1006
1005

Ozone (du)

370
371
369
369
369
368
368
368
368
365
363
364
367
370
368
366
365
361
356
349
346
345
344
342

Thursday 9

Waxing Crescent 33%

13:02

22:09

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:13, Set: 16:01, Transit: 12:07. Moon - Rise: 13:02, Set: 22:09. Civil Dark: 16:42 - 07:32. Nautical Dark: 17:26 - 06:48. Astro Dark: 18:07 - 06:07

Total Clouds (% Sky Obscured)

93
93
93
93
93
93
100
100
100
100
100
100
100
100
100
100
100
100
82
82
82
82
82
82

Low Clouds (% Sky Obscured)

93
93
93
93
93
93
77
77
77
77
77
77
100
100
100
100
100
100
80
80
80
80
80
80

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
91
91
91
91
91
91
100
100
100
100
100
100
10
10
10
10
10
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
10
10
10
10
10
10

ISS Passover

Visibility (miles)

10
10
10
10
10
10
8
8
9
9
10
8
10
10
10
10
9
8
6
4
3
2
3
4

Fog (%)

11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

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
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 (%)

0
4
6
9
12
20
32
38
38
36
36
33
21
17
15
14
18
23
24
23
22
21
17
11

Precipitation Amount (mm)

0
0.01
0.05
0.11
0.16
0.2
0.22
0.2
0.17
0.15
0.15
0.14
0.13
0.1
0.08
0.06
0.06
0.06
0.07
0.07
0.07
0.07
0.05
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
3
3
3
3
4
3
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
3
3
3
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3

Relative Humidity (%)

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

Pressure (mb)

1004
1004
1004
1003
1003
1002
1002
1002
1001
1001
1001
1001
1001
1002
1003
1004
1004
1005
1006
1007
1007
1008
1009
1010

Ozone (du)

339
337
336
336
339
342
339
341
345
349
350
350
347
348
350
353
355
359
361
364
366
366
360
352

Friday 10

Waxing Crescent 47%

13:16

23:28

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:14, Set: 16:01, Transit: 12:07. Moon - Rise: 13:16, Set: 23:28. Civil Dark: 16:42 - 07:33. Nautical Dark: 17:26 - 06:49. Astro Dark: 18:07 - 06:08

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
32
32
32
32
32
32
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

14
14
14
14
14
14
90
90
90
90
90
90
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

91
91
91
91
91
91
97
97
97
97
97
97
0
0
0
0
0
0
100
100
100
100
100
100

ISS Passover

Visibility (miles)

4
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Precipitation Type

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

Precipitation Probability (%)

6
5
0
0
0
3
3
5
10
15
17
18
20
20
22
24
30
44
51
47
38
29
25
22

Precipitation Amount (mm)

0.01
0.01
0
0
0
0.01
0.03
0.08
0.18
0.28
0.34
0.36
0.37
0.36
0.35
0.37
0.52
0.75
0.85
0.65
0.36
0.19
0.15
0.15

Wind Speed/Direction (mph)

8
6
5
4
4
4
4
5
5
5
5
6
6
6
6
6
7
8
9
10
10
10
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
96
95
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

1011
1012
1013
1013
1014
1014
1014
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

345
340
337
334
331
329
327
325
324
323
324
326
327
325
321
317
314
312
310
310
310
310
308
304

Saturday 11

First Quarter 58%

13:29

00:44

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:15, Set: 16:01, Transit: 12:08. Moon - Rise: 13:29, Set: 00:44. Civil Dark: 16:42 - 07:34. Nautical Dark: 17:26 - 06:50. Astro Dark: 18:07 - 06:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
33
33
33
33
33
33
59
59
59
59
59
59
69
69
69
69
69
69

Low Clouds (% Sky Obscured)

96
96
96
96
96
96
16
16
16
16
16
16
19
19
19
19
19
19
34
34
34
34
34
34

Medium Clouds (% Sky Obscured)

48
48
48
48
48
48
6
6
6
6
6
6
11
11
11
11
11
11
48
48
48
48
48
48

High Clouds (% Sky Obscured)

88
88
88
88
88
88
16
16
16
16
16
16
48
48
48
48
48
48
31
31
31
31
31
31

ISS Passover

Visibility (miles)

10
9
6
3
2
1
0
0
0
0
0
0
1
3
7
8
7
4
1
1
0
0
0
0

Fog (%)

11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

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

Precipitation Probability (%)

17
14
11
11
19
34
47
57
64
60
45
18
8
7
14
25
43
61
66
64
49
26
18
13

Precipitation Amount (mm)

0.14
0.09
0.04
0.03
0.07
0.18
0.3
0.39
0.48
0.47
0.29
0.09
0.02
0.01
0.06
0.18
0.46
0.95
1.21
0.84
0.33
0.09
0.04
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

99
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

1013
1013
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

301
297
294
290
284
278
272
268
265
262
260
259
259
261
264
266
267
268
269
270
272
273
273
274

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

Generated: 05/12/21 18:15:12. Forecast: 05/12/21 to 11/12/21. Timezone: UTC+0.00