Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waning Gibbous 96%

19:54

09:28

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

Sun - Rise: 06:55, Set: 19:04, Transit: 12:58. Moon - Rise: 19:54, Set: 09:28. Civil Dark: 19:39 - 06:20. Nautical Dark: 20:21 - 05:38. Astro Dark: 21:04 - 04:55

Total Clouds (% Sky Obscured)

77
27
36
34
3
2
95
89
46
68
28
40
2
65
92
100
100
100
100
100
100
100
95
91

Low Clouds (% Sky Obscured)

69
27
36
34
3
2
6
7
1
1
1
0
2
1
1
1
83
95
80
8
83
23
10
46

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
13
5
3
4
0
0
0
0
0
1
0
0
0
0
0
0
38
61

High Clouds (% Sky Obscured)

23
0
0
0
0
0
94
88
44
66
27
39
0
65
92
100
100
100
100
100
100
100
92
72

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
67
40
0
0
0

Precipitation Amount (mm)

0.02
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.12
0.06
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
18
18
18
17
17
15
15
15
14
14
14
14
15
15
15
15
15
15
14
14
13
14

Feels Like (°C)

17
17
18
18
18
17
17
15
15
15
14
14
14
14
15
15
15
15
15
15
14
14
13
14

Dew Point (°C)

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

Relative Humidity (%)

73
71
67
64
64
66
68
71
75
77
80
81
83
82
81
80
80
87
88
89
88
84
83
79

Pressure (mb)

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

Ozone (du)

272
272
273
275
275
275
275
275
276
277
277
278
278
279
281
279
278
277
275
277
277
276
275
275

Friday 24

Waning Gibbous 91%

20:06

10:42

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

Sun - Rise: 06:57, Set: 19:01, Transit: 12:58. Moon - Rise: 20:06, Set: 10:42. Civil Dark: 19:36 - 06:22. Nautical Dark: 20:18 - 05:40. Astro Dark: 21:02 - 04:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
59
10
6
15
11
3
0
0
0
7
11
14
6
21
100
100
100

Low Clouds (% Sky Obscured)

94
100
100
100
100
100
99
59
9
2
7
6
2
0
0
0
7
6
9
5
21
100
100
100

Medium Clouds (% Sky Obscured)

95
28
13
6
3
0
0
1
5
6
14
9
2
0
0
0
0
6
6
1
0
0
1
0

High Clouds (% Sky Obscured)

100
1
10
0
0
0
0
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
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

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0
0
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
72
71
68
68
70
71
73
74
76
79
80
81
81
82
84
87
90
91
92
91
91
90
88

Pressure (mb)

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

Ozone (du)

274
272
271
270
267
265
264
264
263
262
262
262
263
266
266
264
263
264
265
266
267
268
268
268

Saturday 25

Waning Gibbous 84%

20:19

11:55

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Good
20 OK
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

Sun - Rise: 06:58, Set: 18:59, Transit: 12:58. Moon - Rise: 20:19, Set: 11:55. Civil Dark: 19:34 - 06:23. Nautical Dark: 20:15 - 05:42. Astro Dark: 20:59 - 04:59

Total Clouds (% Sky Obscured)

100
100
100
98
97
80
20
14
37
44
83
100
95
89
88
75
53
42
46
79
98
91
93
95

Low Clouds (% Sky Obscured)

100
100
100
98
97
80
20
2
9
27
71
100
17
13
19
38
23
31
11
33
57
41
84
76

Medium Clouds (% Sky Obscured)

0
1
6
2
0
0
0
13
31
23
46
68
80
31
7
17
38
19
1
0
27
71
66
84

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
6
13
26
73
84
85
59
13
12
40
72
95
83
8
37

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

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.02
0.01
0.01
0
0
0
0.01
0.01
0.01
0.04
0.01
0.01
0.01
0.02
0.01
0
0
0
0
0
0.01
0.01
0.02
0.01

Wind Speed/Direction (mph)

13
14
15
16
15
14
12
12
11
11
9
9
9
10
10
10
9
8
7
6
6
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
84
81
76
74
74
74
75
78
78
80
81
81
82
83
85
87
88
89
88
89
85
82
80

Pressure (mb)

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

Ozone (du)

268
264
264
264
264
263
263
263
263
264
264
265
265
265
265
266
266
266
266
266
267
268
268
270

Sunday 26

Waning Gibbous 76%

20:36

11:55

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 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 07:00, Set: 18:56, Transit: 12:57. Moon - Rise: 20:36, Set: 11:55. Civil Dark: 19:31 - 06:25. Nautical Dark: 20:13 - 05:44. Astro Dark: 20:56 - 05:01

Total Clouds (% Sky Obscured)

98
92
97
98
86
84
95
95
95
95
95
95
95
100
100
100
100
100
100
6
6
6
6
6

Low Clouds (% Sky Obscured)

89
81
91
87
59
63
94
86
86
86
86
86
86
56
56
56
56
56
56
3
3
3
3
3

Medium Clouds (% Sky Obscured)

80
66
55
77
70
65
41
25
25
25
25
25
25
80
80
80
80
80
80
5
5
5
5
5

High Clouds (% Sky Obscured)

62
21
43
81
15
0
0
51
51
51
51
51
51
99
99
99
99
99
99
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

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

Precipitation Probability (%)

0
0
0
3
5
5
3
0
0
0
3
0
3
3
4
6
6
6
5
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.02
0.06
0.05
0.01
0
0
0
0.01
0
0.01
0.02
0.04
0.07
0.07
0.04
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
20
20
20
19
19
18
18
18
17
17
17
17
17
16
16
15
15
14
15
15
16
18

Feels Like (°C)

18
19
20
20
20
19
19
18
18
18
17
17
17
17
17
16
16
15
15
14
15
15
16
18

Dew Point (°C)

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

Relative Humidity (%)

76
72
69
68
68
69
70
70
71
72
74
75
77
78
79
81
82
83
85
86
86
82
76
71

Pressure (mb)

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

Ozone (du)

271
277
279
280
282
283
284
280
280
279
278
278
279
277
277
276
276
277
277
279
280
281
281
282

Monday 27

Waning Gibbous 68%

20:57

13:08

12 Good
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
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

Sun - Rise: 07:02, Set: 18:54, Transit: 12:57. Moon - Rise: 20:57, Set: 13:08. Civil Dark: 19:29 - 06:27. Nautical Dark: 20:10 - 05:46. Astro Dark: 20:53 - 05:03

Total Clouds (% Sky Obscured)

6
91
91
91
91
91
91
43
43
43
43
43
43
98
98
98
98
98
98
69
69
69
69
69

Low Clouds (% Sky Obscured)

3
91
91
91
91
91
91
0
0
0
0
0
0
25
25
25
25
25
25
1
1
1
1
1

Medium Clouds (% Sky Obscured)

5
0
0
0
0
0
0
13
13
13
13
13
13
95
95
95
95
95
95
45
45
45
45
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
36
36
36
36
36
36
72
72
72
72
72
72
45
45
45
45
45

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
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

None
None
None
None
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
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
5
7
8
9
0
6
9
11
13
15
16
52
66
48
39
30
30
13
25
30
25

Precipitation Amount (mm)

0
0
0
0.01
0.02
0.03
0.03
0
0.01
0.03
0.05
0.04
0.04
0.07
0.7
1.17
0.71
0.36
0.39
0.26
0.04
0.17
0.27
0.19

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
21
20
20
19
19
18
18
18
17
17
16
16
15
13
12
11
10
10
10
11
11
12

Feels Like (°C)

19
20
21
20
20
19
19
18
18
18
17
17
16
16
15
13
12
11
7
10
10
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

62
57
55
56
57
61
63
63
65
66
67
69
72
74
76
77
78
79
80
81
80
79
77
73

Pressure (mb)

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

Ozone (du)

282
283
283
284
283
282
281
280
280
279
279
278
278
280
280
283
285
289
294
298
306
310
313
315

Tuesday 28

Waning Gibbous 58%

21:26

14:18

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

Sun - Rise: 07:04, Set: 18:52, Transit: 12:57. Moon - Rise: 21:26, Set: 14:18. Civil Dark: 19:26 - 06:29. Nautical Dark: 20:08 - 05:48. Astro Dark: 20:50 - 05:05

Total Clouds (% Sky Obscured)

69
23
23
23
23
23
23
40
40
40
40
40
40
11
11
11
11
11
11
9
9
9
9
9

Low Clouds (% Sky Obscured)

1
18
18
18
18
18
18
11
11
11
11
11
11
6
6
6
6
6
6
9
9
9
9
9

Medium Clouds (% Sky Obscured)

45
16
16
16
16
16
16
20
20
20
20
20
20
4
4
4
4
4
4
1
1
1
1
1

High Clouds (% Sky Obscured)

45
0
0
0
0
0
0
30
30
30
30
30
30
4
4
4
4
4
4
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
None
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

12
0
7
17
21
17
7
0
0
0
0
0
0
0
0
0
0
0
7
8
8
0
8
29

Precipitation Amount (mm)

0.06
0
0.06
0.31
0.51
0.31
0.06
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0.01
0.26

Wind Speed/Direction (mph)

14
15
15
14
14
12
11
9
8
8
8
8
8
8
7
7
6
6
6
7
8
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
56
53
53
55
58
61
64
64
65
67
68
69
70
71
73
76
79
83
83
80
76
72
68

Pressure (mb)

1010
1012
1012
1013
1013
1014
1014
1013
1013
1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

318
318
316
310
306
302
300
300
299
299
299
299
299
299
299
299
299
299
299
299
299
300
301
300

Wednesday 29

Third Quarter 48%

22:05

15:22

12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK
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

Sun - Rise: 07:06, Set: 18:49, Transit: 12:56. Moon - Rise: 22:05, Set: 15:22. Civil Dark: 19:24 - 06:31. Nautical Dark: 20:05 - 05:50. Astro Dark: 20:48 - 05:07

Total Clouds (% Sky Obscured)

9
41
41
41
41
41
41
100
100
100
100
100
100
84
84
84
84
84
84
96
96
96
96
96

Low Clouds (% Sky Obscured)

9
25
25
25
25
25
25
98
98
98
98
98
98
12
12
12
12
12
12
9
9
9
9
9

Medium Clouds (% Sky Obscured)

1
34
34
34
34
34
34
100
100
100
100
100
100
48
48
48
48
48
48
3
3
3
3
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
100
100
100
100
100
100
79
79
79
79
79
79
95
95
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
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

41
42
37
22
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16

Precipitation Amount (mm)

1.15
1.84
1.16
0.26
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
59
56
54
55
57
60
63
63
64
66
68
69
70
71
73
74
76
77
78
78
77
75
72

Pressure (mb)

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

Ozone (du)

298
297
297
297
297
296
294
293
295
297
299
300
300
300
300
300
300
300
300
301
302
304
305
306

Forecast for Leeds, West Yorkshire, UK (53.85,-1.63)

Generated: 23/09/21 06:45:11. Forecast: 23/09/21 to 29/09/21. Timezone: UTC+1.00