Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 20%

13:32

20:39

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:42, Set: 18:08, Transit: 12:54. Moon - Rise: 13:32, Set: 20:39. Civil Dark: 18:41 - 07:09. Nautical Dark: 19:18 - 06:32. Astro Dark: 19:55 - 05:55

Total Clouds (% Sky Obscured)

82
90
99
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
99
80

Low Clouds (% Sky Obscured)

9
7
2
0
0
17
9
79
38
1
20
88
45
95
100
100
98
98
28
22
91
50
53
48

Medium Clouds (% Sky Obscured)

2
6
0
1
13
69
86
59
92
99
100
100
100
100
100
100
100
99
100
100
100
95
99
71

High Clouds (% Sky Obscured)

81
89
99
98
100
100
100
100
100
100
100
100
100
100
100
100
100
72
94
30
0
0
0
1

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate 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 (%)

0
0
0
3
5
8
22
47
69
82
87
88
87
87
84
81
74
70
47
31
20
13
16
13

Precipitation Amount (mm)

0
0
0
0.01
0.02
0.06
0.14
0.26
0.46
0.8
1.27
1.82
2.59
3.01
2.04
1.32
0.79
0.63
0.27
0.16
0.08
0.04
0.06
0.07

Wind Speed/Direction (mph)

19
17
19
19
18
20
22
20
19
18
18
21
25
29
33
35
37
18
19
20
20
22
17
24

Chance of Frost

Temperature (°C)

17
18
18
17
17
16
16
15
15
14
14
14
14
14
14
15
15
14
15
15
16
16
16
17

Feels Like (°C)

17
18
18
17
17
16
16
15
15
14
14
14
14
14
14
15
15
14
15
15
16
16
16
17

Dew Point (°C)

13
13
13
13
13
13
13
13
12
13
13
13
13
13
14
14
14
13
13
13
13
13
13
13

Relative Humidity (%)

75
74
73
74
76
79
82
83
86
90
93
94
95
96
96
95
93
92
89
86
83
81
81
78

Pressure (mb)

1001
1001
1000
1001
1000
1000
999
999
998
998
997
996
994
993
992
992
992
994
996
998
999
1000
1000
1001

Ozone (du)

291
290
289
288
287
286
284
283
282
280
280
280
281
282
286
290
293
292
289
287
287
288
288
287

Wednesday 21

Waxing Crescent 31%

14:31

21:31

15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Bad
21 OK
22 OK
23 OK
00 Good
01 Good
02 Good
03 Good
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 Bad

Sun - Rise: 07:43, Set: 18:06, Transit: 12:54. Moon - Rise: 14:31, Set: 21:31. Civil Dark: 18:39 - 07:11. Nautical Dark: 19:16 - 06:34. Astro Dark: 19:53 - 05:57

Total Clouds (% Sky Obscured)

67
54
38
38
37
82
40
34
16
9
6
5
13
94
53
38
34
46
25
25
6
18
20
26

Low Clouds (% Sky Obscured)

41
41
28
27
23
82
40
34
16
7
2
1
0
0
2
6
24
34
18
18
2
18
20
17

Medium Clouds (% Sky Obscured)

63
34
23
26
27
27
0
0
2
0
0
0
11
53
46
30
15
29
15
15
4
2
3
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
4
4
5
91
17
17
20
4
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
None
None
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

17
11
14
17
3
3
3
0
2
3
3
3
0
5
8
12
18
27
30
32
30
23
27
28

Precipitation Amount (mm)

0.17
0.15
0.33
0.38
0.02
0.01
0.01
0
0.01
0.01
0.01
0.01
0
0.01
0.04
0.09
0.16
0.24
0.32
0.37
0.36
0.17
0.24
0.33

Wind Speed/Direction (mph)

23
24
23
21
19
19
18
18
17
16
16
16
15
15
16
16
16
15
15
14
13
13
13
13

Chance of Frost

Temperature (°C)

17
17
16
16
15
15
14
14
14
13
13
13
13
13
13
13
14
14
14
15
15
15
15
16

Feels Like (°C)

17
17
16
16
15
15
14
14
14
13
13
13
13
13
13
13
14
14
14
15
15
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

77
76
75
76
76
76
77
77
77
79
81
82
84
86
87
87
87
86
84
82
80
78
77
75

Pressure (mb)

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

Ozone (du)

286
285
284
283
282
282
282
283
283
283
284
286
289
292
294
295
297
300
303
304
304
303
302
301

Thursday 22

Waxing Crescent 41%

No Rise

22:31

15 Bad
16 Bad
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 Bad
10 Bad
11 OK
12 OK
13 Bad
14 Bad

Sun - Rise: 07:45, Set: 18:05, Transit: 12:54. Moon - Rise: No Rise, Set: 22:31. Civil Dark: 18:37 - 07:12. Nautical Dark: 19:14 - 06:35. Astro Dark: 19:51 - 05:58

Total Clouds (% Sky Obscured)

34
32
23
22
24
18
17
21
29
22
26
33
31
33
37
20
27
27
27
27
27
27
87
87

Low Clouds (% Sky Obscured)

17
27
18
20
23
16
17
20
28
22
25
32
30
33
37
20
27
27
27
27
27
27
27
27

Medium Clouds (% Sky Obscured)

24
22
15
8
11
10
6
4
3
2
2
4
4
2
2
3
2
2
2
2
2
2
0
0

High Clouds (% Sky Obscured)

9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
81
81

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
None
None
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
None
Very Light Rain

Precipitation Probability (%)

24
22
18
17
20
21
23
13
3
5
6
6
3
0
0
7
12
16
25
27
17
6
5
10

Precipitation Amount (mm)

0.33
0.37
0.35
0.33
0.35
0.26
0.25
0.13
0.03
0.03
0.03
0.02
0.01
0
0
0.01
0.02
0.05
0.15
0.23
0.13
0.03
0.01
0.05

Wind Speed/Direction (mph)

13
13
13
14
15
15
16
16
16
17
18
17
17
17
16
16
16
16
17
18
20
22
24
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
10
10
10
10
9
9
9
9
10
10
10
10
10
10
10
10
11
11
10
10
9
9

Relative Humidity (%)

74
72
72
73
73
73
74
74
76
79
80
82
83
83
84
84
83
82
82
80
76
72
71
71

Pressure (mb)

1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1013

Ozone (du)

300
299
299
299
299
299
299
299
300
301
302
301
300
298
296
294
293
295
297
299
298
297
296
296

Friday 23

First Quarter 52%

15:17

23:38

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK

Sun - Rise: 07:47, Set: 18:03, Transit: 12:54. Moon - Rise: 15:17, Set: 23:38. Civil Dark: 18:35 - 07:14. Nautical Dark: 19:13 - 06:36. Astro Dark: 19:50 - 06:00

Total Clouds (% Sky Obscured)

87
87
87
87
100
100
100
100
100
100
100
100
100
100
100
100
86
86
86
86
86
86
23
23

Low Clouds (% Sky Obscured)

27
27
27
27
100
100
100
100
100
100
100
100
100
100
100
100
44
44
44
44
44
44
5
5

Medium Clouds (% Sky Obscured)

0
0
0
0
26
26
26
26
26
26
31
31
31
31
31
31
28
28
28
28
28
28
0
0

High Clouds (% Sky Obscured)

81
81
81
81
0
0
0
0
0
0
71
71
71
71
71
71
74
74
74
74
74
74
19
19

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

Precipitation Probability (%)

22
29
23
12
5
6
8
8
6
3
0
0
0
0
2
3
3
3
2
0
0
0
3
7

Precipitation Amount (mm)

0.27
0.47
0.28
0.06
0.02
0.04
0.07
0.08
0.05
0.01
0
0
0
0
0.01
0.02
0.03
0.02
0.01
0
0
0
0.02
0.04

Wind Speed/Direction (mph)

26
27
27
26
25
22
17
14
13
13
13
14
15
16
16
17
17
19
20
22
23
25
26
26

Chance of Frost

Temperature (°C)

15
14
14
14
13
13
13
12
12
12
12
12
12
12
12
12
12
13
13
14
15
15
16
17

Feels Like (°C)

15
14
14
14
13
13
13
12
12
12
12
12
12
12
12
12
12
13
13
14
15
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

71
71
70
67
65
64
63
63
64
66
67
68
70
71
73
74
75
76
76
75
72
71
70
69

Pressure (mb)

1013
1013
1013
1014
1015
1016
1017
1017
1017
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015
1014
1013
1013

Ozone (du)

298
299
299
298
297
295
293
291
289
288
287
286
284
282
282
281
281
281
282
282
281
280
279
279

Saturday 24

Waxing Gibbous 63%

15:52

00:48

15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
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

Sun - Rise: 06:48, Set: 18:01, Transit: 11:54. Moon - Rise: 15:52, Set: 00:48. Civil Dark: 18:34 - 06:15. Nautical Dark: 19:11 - 05:38. Astro Dark: 19:48 - 05:01

Total Clouds (% Sky Obscured)

23
23
23
23
23
23
23
23
23
23
49
49
49
49
49
91
91
91
91
91
91
46
46
46

Low Clouds (% Sky Obscured)

5
5
5
5
2
2
2
2
2
2
36
36
36
36
36
1
1
1
1
1
1
7
7
7

Medium Clouds (% Sky Obscured)

0
0
0
0
2
2
2
2
2
2
23
23
23
23
23
74
74
74
74
74
74
41
41
41

High Clouds (% Sky Obscured)

19
19
19
19
20
20
20
20
20
20
16
16
16
16
16
70
70
70
70
70
70
7
7
7

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
9
7
5
5
6
9
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

13
19
20
16
14
13
11
11
13
19
26
72
77
81
85
86
84
78
67
58
44
33
28
19

Precipitation Amount (mm)

0.09
0.14
0.13
0.11
0.09
0.06
0.03
0.02
0.03
0.07
0.12
1.04
1.81
1.89
1.75
1.67
1.42
1.04
0.76
0.59
0.46
0.35
0.22
0.11

Wind Speed/Direction (mph)

25
25
27
29
31
33
34
35
37
38
39
39
38
34
30
26
24
24
24
23
23
22
23
24

Chance of Frost

Temperature (°C)

17
17
16
16
16
15
15
14
14
14
14
14
14
13
13
12
12
13
13
13
13
13
13
13

Feels Like (°C)

17
17
16
16
16
15
15
14
14
14
14
14
14
13
13
12
12
13
13
13
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

69
69
70
70
71
72
72
73
76
79
81
83
83
84
83
83
82
80
76
71
68
66
64
62

Pressure (mb)

1012
1011
1011
1010
1010
1009
1008
1007
1007
1006
1005
1003
1002
1002
1002
1002
1002
1002
1003
1003
1004
1004
1004
1004

Ozone (du)

280
281
281
281
281
281
280
280
280
280
281
284
286
288
292
295
300
306
310
312
312
313
316
320

Sunday 25

Waxing Gibbous 72%

15:19

00:57

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 OK
07 OK
08 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:50, Set: 16:59, Transit: 11:53. Moon - Rise: 15:19, Set: 00:57. Civil Dark: 17:32 - 06:17. Nautical Dark: 18:09 - 05:39. Astro Dark: 18:46 - 05:03

Total Clouds (% Sky Obscured)

46
46
46
93
93
93
93
93
93
100
100
100
100
100
100
24
24
24
24
24
24
96
96
96

Low Clouds (% Sky Obscured)

7
7
7
34
34
34
34
34
34
15
15
15
15
15
15
24
24
24
24
24
24
33
33
33

Medium Clouds (% Sky Obscured)

41
41
41
91
91
91
91
91
91
100
100
100
100
100
100
0
0
0
0
0
0
14
14
14

High Clouds (% Sky Obscured)

7
7
7
10
10
10
10
10
10
69
69
69
69
69
69
0
0
0
0
0
0
95
95
95

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
7

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
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

Precipitation Probability (%)

11
6
5
5
9
17
21
20
15
13
12
9
9
10
12
15
14
14
14
15
22
36
48
61

Precipitation Amount (mm)

0.06
0.03
0.02
0.03
0.06
0.15
0.22
0.19
0.14
0.12
0.1
0.08
0.09
0.11
0.14
0.17
0.17
0.15
0.14
0.15
0.18
0.21
0.27
0.37

Wind Speed/Direction (mph)

25
26
26
25
26
26
26
26
26
26
26
25
25
25
25
25
25
24
24
25
25
27
29
31

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13
14
14
13

Feels Like (°C)

13
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13
14
14
13

Dew Point (°C)

6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
8
7
7
7
7
7

Relative Humidity (%)

61
60
60
60
61
62
64
66
68
69
69
69
69
70
70
71
71
71
70
67
65
64
65
65

Pressure (mb)

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

Ozone (du)

323
325
327
328
329
329
329
327
325
324
324
324
322
319
314
310
306
302
299
296
293
290
287
284

Monday 26

Waxing Gibbous 81%

15:41

02:06

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:52, Set: 16:57, Transit: 11:53. Moon - Rise: 15:41, Set: 02:06. Civil Dark: 17:30 - 06:18. Nautical Dark: 18:07 - 05:41. Astro Dark: 18:44 - 05:04

Total Clouds (% Sky Obscured)

96
96
96
99
99
99
99
99
99
75
75
75
75
75
75
100
100
100
100
100
100
66
66
66

Low Clouds (% Sky Obscured)

33
33
33
28
28
28
28
28
28
36
36
36
36
36
36
85
85
85
85
85
85
22
22
22

Medium Clouds (% Sky Obscured)

14
14
14
43
43
43
43
43
43
10
10
10
10
10
10
98
98
98
98
98
98
21
21
21

High Clouds (% Sky Obscured)

95
95
95
98
98
98
98
98
98
67
67
67
67
67
67
95
95
95
95
95
95
48
48
48

ISS Passover

Visibility (miles)

5
5
7
9
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
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

69
70
67
64
60
48
41
31
22
17
21
36
47
50
52
54
56
54
52
46
34
27
25
25

Precipitation Amount (mm)

0.5
0.57
0.6
0.56
0.42
0.27
0.17
0.11
0.07
0.05
0.07
0.13
0.2
0.19
0.16
0.17
0.2
0.27
0.31
0.25
0.14
0.08
0.05
0.04

Wind Speed/Direction (mph)

33
31
29
27
26
26
25
24
24
23
23
23
24
24
24
25
25
26
27
27
27
27
28
29

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
66
64
64
65
67
70
72
74
76
77
77
78
78
78
77
77
76
75
73
70
69
68
67

Pressure (mb)

1008
1008
1008
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010

Ozone (du)

282
280
280
279
277
276
275
274
272
271
269
267
266
264
263
263
262
262
262
259
256
254
254
255

Forecast for Guernsey (49.46,-2.53)

Generated: 20/10/20 15:33:42. Forecast: 20/10/20 to 26/10/20. Timezone: UTC+1.00