Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 100%

19:34

07:01

15 Bad
16 Good
17 Good
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
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: 06:55, Set: 19:12, Transit: 13:02. Moon - Rise: 19:34, Set: 07:01. Civil Dark: 19:47 - 06:20. Nautical Dark: 20:28 - 05:39. Astro Dark: 21:12 - 04:55

Total Clouds (% Sky Obscured)

84
1
9
94
100
100
97
100
23
100
97
95
99
98
88
96
96
98
98
98
96
98
98
99

Low Clouds (% Sky Obscured)

84
1
0
2
10
23
4
2
16
25
53
41
79
41
27
29
25
28
19
28
19
26
32
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
5
9
6
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
9
94
100
100
97
100
16
100
94
92
97
98
84
95
95
98
98
96
95
98
97
98

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
2
3
0
0
0
2
3
4
4
3
4
4
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.01
0.01
0
0
0
0.01
0.02
0.02
0.02
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
16
15
14
13
12
12
12
12
12
12
12
11
11
11
12
13
14
16
17
18
19

Feels Like (°C)

19
18
18
16
15
14
13
12
12
12
12
12
12
12
11
11
11
12
13
14
16
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

57
58
61
65
72
77
82
87
91
92
93
94
95
96
99
99
95
90
87
81
76
71
66
61

Pressure (mb)

1025
1025
1025
1026
1026
1026
1027
1027
1028
1028
1028
1029
1029
1028
1029
1029
1029
1029
1029
1029
1030
1030
1029
1029

Ozone (du)

290
288
286
285
288
289
290
290
289
288
283
282
282
281
281
281
281
281
281
281
281
281
278
278

Tuesday 21

Full Moon 99%

19:46

08:16

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

Sun - Rise: 06:56, Set: 19:10, Transit: 13:02. Moon - Rise: 19:46, Set: 08:16. Civil Dark: 19:44 - 06:22. Nautical Dark: 20:25 - 05:41. Astro Dark: 21:09 - 04:57

Total Clouds (% Sky Obscured)

98
98
99
99
98
98
95
91
57
52
82
29
20
2
1
2
23
23
28
27
95
84
63
59

Low Clouds (% Sky Obscured)

13
1
0
1
0
1
2
2
0
0
0
0
0
2
1
2
3
14
28
27
95
84
63
59

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

98
98
99
99
98
98
95
91
56
52
82
29
20
0
0
0
21
11
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
0
2
2
1
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
18
17
16
15
14
13
13
12
11
11
11
10
10
9
9
10
12
14
16
17
19
20

Feels Like (°C)

19
19
18
17
16
15
14
13
13
12
11
11
11
10
9
8
8
10
12
14
16
17
19
20

Dew Point (°C)

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

Relative Humidity (%)

59
60
63
68
75
80
84
88
92
96
97
99
100
100
100
100
100
95
89
84
77
71
67
62

Pressure (mb)

1029
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1026
1026
1026
1026
1027
1027
1027
1027
1026
1026
1025
1025

Ozone (du)

278
277
277
276
274
274
274
275
275
274
273
272
271
271
270
270
271
272
272
272
272
272
273
273

Wednesday 22

Waning Gibbous 96%

19:58

09:30

15 OK
16 OK
17 Bad
18 Bad
19 OK
20 OK
21 OK
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: 06:58, Set: 19:07, Transit: 13:01. Moon - Rise: 19:58, Set: 09:30. Civil Dark: 19:42 - 06:24. Nautical Dark: 20:23 - 05:42. Astro Dark: 21:06 - 04:59

Total Clouds (% Sky Obscured)

27
35
93
67
38
21
41
46
99
99
100
100
100
100
99
99
97
97
97
97
97
97
94
94

Low Clouds (% Sky Obscured)

27
35
77
58
37
2
4
31
99
98
100
100
100
99
91
91
62
62
62
62
62
62
90
90

Medium Clouds (% Sky Obscured)

0
0
0
0
0
6
0
23
44
23
45
65
7
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
69
20
2
15
39
16
13
25
79
92
99
96
95
88
92
92
92
92
92
92
83
83

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
3
11
13
10
7
5
5
5
4
0
0
0
0
0
2
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.01
0.05
0.09
0.07
0.04
0.02
0.04
0.05
0.01
0
0
0
0
0
0.01
0.07

Wind Speed/Direction (mph)

10
10
10
9
8
8
8
8
8
8
9
9
9
8
8
9
10
11
13
14
15
16
16
15

Chance of Frost

Temperature (°C)

20
20
19
18
16
15
14
14
14
14
14
14
14
14
14
14
13
12
13
14
15
16
17
15

Feels Like (°C)

20
20
19
18
16
15
14
14
14
14
14
14
14
14
14
14
13
12
13
14
15
16
17
15

Dew Point (°C)

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

Relative Humidity (%)

60
60
64
69
73
78
82
88
93
95
97
98
98
97
97
95
93
89
84
79
75
71
67
67

Pressure (mb)

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

Ozone (du)

272
273
275
276
277
278
279
278
277
276
279
279
279
279
278
278
280
280
279
279
279
280
278
279

Thursday 23

Waning Gibbous 91%

20:10

10:44

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: 07:00, Set: 19:05, Transit: 13:01. Moon - Rise: 20:10, Set: 10:44. Civil Dark: 19:39 - 06:25. Nautical Dark: 20:20 - 05:44. Astro Dark: 21:03 - 05:02

Total Clouds (% Sky Obscured)

94
94
94
94
98
98
98
98
98
98
100
100
100
100
100
100
56
56
56
56
56
56
66
66

Low Clouds (% Sky Obscured)

90
90
90
90
98
98
98
98
98
98
100
100
100
100
100
100
56
56
56
56
56
56
45
45

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
1
1
1
1
13
13
13
13
13
13
1
1
1
1
1
1
0
0

High Clouds (% Sky Obscured)

83
83
83
83
0
0
0
0
0
0
3
3
3
3
3
3
0
0
0
0
0
0
37
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.01
0.03
0.02
0.05
0.06
0.03
0.01
0
0
0
0
0
0.01
0.03
0.03
0.02
0.02
0.02
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
14
14
13
13
12
12
12
12
12
11
11
11
10
10
11
12
13
15
16
19
20

Feels Like (°C)

16
15
15
14
14
13
13
12
12
12
12
12
11
11
11
10
10
11
12
13
15
16
19
20

Dew Point (°C)

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

Relative Humidity (%)

63
62
65
69
73
76
81
87
92
95
97
99
100
100
98
96
95
93
90
89
84
81
73
67

Pressure (mb)

1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012

Ozone (du)

279
279
280
278
277
275
275
274
273
272
272
272
270
270
269
270
271
271
270
268
266
265
261
259

Friday 24

Waning Gibbous 84%

20:24

11:57

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

Sun - Rise: 07:02, Set: 19:02, Transit: 13:01. Moon - Rise: 20:24, Set: 11:57. Civil Dark: 19:37 - 06:27. Nautical Dark: 20:18 - 05:46. Astro Dark: 21:01 - 05:04

Total Clouds (% Sky Obscured)

66
66
66
66
100
100
100
100
100
100
100
100
100
100
100
100
76
76
76
76
76
76
94
94

Low Clouds (% Sky Obscured)

45
45
45
45
100
100
100
100
100
100
98
98
98
98
98
98
58
58
58
58
58
58
92
92

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
6
6
6
6
6
6
41
41

High Clouds (% Sky Obscured)

37
37
37
37
38
38
38
38
38
38
81
81
81
81
81
81
41
41
41
41
41
41
6
6

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

Precipitation Probability (%)

0
0
0
0
0
3
4
4
5
6
10
7
5
4
4
3
3
3
3
3
3
4
4
4

Precipitation Amount (mm)

0
0
0
0
0
0.02
0.03
0.03
0.04
0.07
0.1
0.07
0.03
0.02
0.01
0.01
0.02
0.02
0.02
0.02
0.03
0.05
0.06
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
15
15
15
15
16
16
16
16
16
16
15
15
14
15
15
15
15
15
15
15
15

Relative Humidity (%)

65
68
73
79
82
85
89
94
96
98
99
100
100
100
100
100
96
95
93
90
88
85
81
76

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1010
1010
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

259
258
257
257
257
256
256
256
257
257
258
258
258
259
261
263
261
262
264
265
266
267
268
269

Saturday 25

Waning Gibbous 76%

20:41

13:09

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
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: 07:03, Set: 19:00, Transit: 13:00. Moon - Rise: 20:41, Set: 13:09. Civil Dark: 19:34 - 06:29. Nautical Dark: 20:15 - 05:48. Astro Dark: 20:58 - 05:06

Total Clouds (% Sky Obscured)

94
94
94
94
99
99
99
99
99
99
42
42
42
42
42
42
50
50
50
50
50
50
100
100

Low Clouds (% Sky Obscured)

92
92
92
92
98
98
98
98
98
98
42
42
42
42
42
42
2
2
2
2
2
2
42
42

Medium Clouds (% Sky Obscured)

41
41
41
41
10
10
10
10
10
10
0
0
0
0
0
0
1
1
1
1
1
1
100
100

High Clouds (% Sky Obscured)

6
6
6
6
52
52
52
52
52
52
0
0
0
0
0
0
49
49
49
49
49
49
16
16

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

Precipitation Probability (%)

3
3
3
3
3
3
2
3
3
3
0
0
0
0
0
0
0
0
6
9
11
13
13
9

Precipitation Amount (mm)

0.05
0.03
0.02
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0.02
0.05
0.08
0.12
0.14
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
75
79
83
87
91
93
98
100
100
100
100
100
100
100
99
97
96
95
95
96
93
87
82

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012

Ozone (du)

271
272
273
274
274
275
275
276
277
278
279
280
280
280
279
278
276
275
273
271
270
270
270
270

Sunday 26

Waning Gibbous 68%

21:03

14:18

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

Sun - Rise: 07:05, Set: 18:57, Transit: 13:00. Moon - Rise: 21:03, Set: 14:18. Civil Dark: 19:32 - 06:31. Nautical Dark: 20:13 - 05:50. Astro Dark: 20:55 - 05:08

Total Clouds (% Sky Obscured)

100
100
100
100
97
97
97
97
97
97
98
98
98
98
98
98
32
32
32
32
32
32
34
34

Low Clouds (% Sky Obscured)

42
42
42
42
23
23
23
23
23
23
65
65
65
65
65
65
31
31
31
31
31
31
29
29

Medium Clouds (% Sky Obscured)

100
100
100
100
47
47
47
47
47
47
98
98
98
98
98
98
6
6
6
6
6
6
20
20

High Clouds (% Sky Obscured)

16
16
16
16
95
95
95
95
95
95
10
10
10
10
10
10
0
0
0
0
0
0
2
2

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

Precipitation Probability (%)

6
4
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12

Precipitation Amount (mm)

0.05
0.02
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.36

Wind Speed/Direction (mph)

11
11
10
9
8
7
7
6
6
7
7
8
8
9
9
8
8
9
10
11
12
12
12
11

Chance of Frost

Temperature (°C)

17
17
17
16
15
14
13
12
12
12
12
12
12
12
12
12
12
12
13
14
15
17
18
18

Feels Like (°C)

17
17
17
16
15
14
13
12
12
12
12
12
12
12
12
12
12
12
13
14
15
17
18
18

Dew Point (°C)

13
13
13
13
12
12
11
11
11
12
12
12
12
12
12
12
11
12
12
12
13
12
12
11

Relative Humidity (%)

79
76
77
79
82
85
89
94
98
99
100
100
100
100
100
100
98
97
94
88
83
74
67
67

Pressure (mb)

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

Ozone (du)

269
270
272
275
277
277
277
276
275
275
275
276
278
280
282
283
284
284
284
284
284
284
284
283

Forecast for High Legh, Cheshire East, UK (53.36,-2.44)

Generated: 20/09/21 15:40:06. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+1.00