Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 17

Waxing Crescent 39%

14:25

21:23

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

Sun - Rise: 06:43, Set: 19:12, Transit: 12:57. Moon - Rise: 14:25, Set: 21:23. Civil Dark: 19:45 - 06:11. Nautical Dark: 20:24 - 05:31. Astro Dark: 21:05 - 04:50

Total Clouds (% Sky Obscured)

88
89
78
63
27
81
48
40
10
50
13
17
32
13
0
0
0
4
27
39
79
62
30
42

Low Clouds (% Sky Obscured)

32
16
9
14
7
3
0
0
0
0
13
17
32
13
0
0
0
0
12
1
23
11
10
26

Medium Clouds (% Sky Obscured)

5
0
0
10
0
38
48
40
10
0
0
0
0
0
0
0
0
0
0
0
2
4
4
5

High Clouds (% Sky Obscured)

86
79
22
63
20
72
30
35
10
45
0
0
0
0
0
0
0
2
2
29
54
32
2
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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 (%)

12
3
4
0
0
0
0
0
0
1
0
0
9
4
5
3
4
1
4
1
1
2
5
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
15
16
16
17
15
14
12
9
8
8
8
7
5
5
5
4
4
5
4
4
7
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
44
40
40
41
46
55
60
67
78
81
83
86
88
91
93
93
91
93
91
84
74
66
59

Pressure (mb)

1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016

Ozone (du)

305
304
304
303
302
301
302
302
303
305
306
308
312
311
311
310
305
301
298
298
299
299
297
293

Friday 18

First Quarter 49%

15:24

22:10

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:45, Set: 19:10, Transit: 12:57. Moon - Rise: 15:24, Set: 22:10. Civil Dark: 19:43 - 06:12. Nautical Dark: 20:22 - 05:33. Astro Dark: 21:03 - 04:52

Total Clouds (% Sky Obscured)

53
78
69
94
100
100
100
100
98
100
100
98
100
100
100
100
96
94
97
87
98
99
99
100

Low Clouds (% Sky Obscured)

29
28
23
22
63
64
72
96
94
100
90
71
89
80
86
77
74
65
65
49
50
37
48
28

Medium Clouds (% Sky Obscured)

14
12
18
71
100
99
100
100
98
99
84
85
97
2
5
7
8
5
9
7
52
31
99
31

High Clouds (% Sky Obscured)

7
35
56
86
72
100
100
36
42
40
87
66
76
76
77
89
75
50
30
44
86
85
39
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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 (%)

1
0
0
0
2
3
11
12
28
20
2
1
14
19
28
23
22
22
9
8
19
6
5
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
18
18
18
17
17
16
16
16
16
17
17
17
17
17
17
17
17
17
17
18
19
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
49
47
49
52
62
69
69
70
81
83
85
89
89
82
79
74
86
86
87
83
78
70
75

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018

Ozone (du)

290
287
286
286
285
284
284
285
286
286
286
289
289
289
290
289
289
289
290
290
290
290
290
289

Saturday 19

Waxing Gibbous 59%

16:12

23:08

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:47, Set: 19:07, Transit: 12:56. Moon - Rise: 16:12, Set: 23:08. Civil Dark: 19:40 - 06:14. Nautical Dark: 20:19 - 05:35. Astro Dark: 21:00 - 04:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
94
97
99
100
99
100
100
100
100
100
87
66
92
94
100
100
93
84

Low Clouds (% Sky Obscured)

56
71
94
84
97
87
52
46
60
65
60
66
92
69
83
75
78
46
38
23
9
0
0
0

Medium Clouds (% Sky Obscured)

22
99
9
41
91
94
93
68
90
95
42
16
83
100
91
7
4
2
0
1
1
6
6
5

High Clouds (% Sky Obscured)

100
100
95
100
95
100
81
86
95
100
97
66
82
100
100
100
87
66
90
94
98
100
89
77

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
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

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 (%)

16
4
16
3
3
1
7
0
1
6
3
4
10
14
22
11
8
29
10
10
8
3
4
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
20
20
20
19
18
18
18
18
18
18
18
18
17
17
17
17
16
16
16
17
18

Feels Like (°C)

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

Dew Point (°C)

14
15
16
16
17
17
16
16
16
16
16
16
15
15
15
16
17
16
16
15
14
13
10
9

Relative Humidity (%)

68
72
75
79
81
84
84
88
92
92
92
89
82
81
82
90
96
95
95
96
90
78
66
57

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1023
1024
1025
1025
1026
1027

Ozone (du)

288
288
288
288
289
289
289
287
286
287
291
291
290
290
290
291
290
291
291
290
288
287
286
285

Sunday 20

Waxing Gibbous 68%

16:48

00:15

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

Sun - Rise: 06:48, Set: 19:05, Transit: 12:56. Moon - Rise: 16:48, Set: 00:15. Civil Dark: 19:38 - 06:15. Nautical Dark: 20:17 - 05:36. Astro Dark: 20:58 - 04:56

Total Clouds (% Sky Obscured)

73
85
85
96
92
89
85
70
65
60
53
44
24
34
43
53
51
52
73
50
41
39
37
34

Low Clouds (% Sky Obscured)

1
6
5
17
9
9
15
13
49
60
53
44
17
0
0
0
4
9
16
17
19
25
28
21

Medium Clouds (% Sky Obscured)

8
5
23
69
6
32
7
24
9
9
8
7
6
7
8
8
9
9
5
2
2
2
1
1

High Clouds (% Sky Obscured)

66
78
77
90
79
66
54
33
15
16
16
10
5
15
19
25
16
9
34
7
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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
0
0
0
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
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
11
13
11
12
9
5
4
3
3
3
3
2
2
2
2
2
2
2
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
7
6
6
8
6
8
9
8
7
6
6
7
7
7
7
7
8
9
10
11
12
13
12

Relative Humidity (%)

51
45
39
39
47
43
50
60
59
57
57
59
66
71
73
75
78
84
88
93
87
80
73
65

Pressure (mb)

1027
1027
1027
1027
1027
1027
1028
1029
1029
1030
1030
1031
1031
1031
1031
1031
1030
1030
1031
1031
1031
1032
1032
1032

Ozone (du)

283
281
279
278
278
278
278
278
276
276
274
273
274
275
275
274
275
275
275
276
276
274
274
274

Monday 21

Waxing Gibbous 77%

17:15

01:28

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

Sun - Rise: 06:50, Set: 19:03, Transit: 12:55. Moon - Rise: 17:15, Set: 01:28. Civil Dark: 19:36 - 06:17. Nautical Dark: 20:14 - 05:38. Astro Dark: 20:55 - 04:58

Total Clouds (% Sky Obscured)

32
47
66
77
89
89
91
89
89
89
86
82
80
84
89
93
96
98
100
100
99
99
98
96

Low Clouds (% Sky Obscured)

22
41
63
77
83
86
86
89
89
89
86
82
80
84
89
93
96
98
100
100
99
99
98
96

Medium Clouds (% Sky Obscured)

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

High 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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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
1
3
3
6
5
5
9
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
22
22
21
22
21
20
19
18
18
17
16
16
16
17
17
17
16
17
17
16
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

60
56
54
54
57
56
57
58
58
63
67
68
67
68
71
71
73
74
78
79
78
76
75
68

Pressure (mb)

1032
1031
1031
1031
1030
1030
1030
1030
1030
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031

Ozone (du)

274
274
275
275
275
274
273
272
273
274
273
272
271
270
270
271
271
272
272
273
273
272
272
272

Tuesday 22

Waxing Gibbous 85%

17:35

02:44

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

Sun - Rise: 06:51, Set: 19:01, Transit: 12:55. Moon - Rise: 17:35, Set: 02:44. Civil Dark: 19:33 - 06:19. Nautical Dark: 20:12 - 05:40. Astro Dark: 20:52 - 05:00

Total Clouds (% Sky Obscured)

83
66
55
45
39
34
21
15
10
4
4
5
5
6
6
7
14
25
34
55
75
96
95
95

Low Clouds (% Sky Obscured)

83
66
55
45
39
34
14
11
7
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
2
1
1
0
8
16
24
47
70
93
92
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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 (%)

9
7
4
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
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
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
22
22
23
21
20
19
18
16
15
15
14
14
14
13
12
12
12
11
14
16
18
19

Feels Like (°C)

18
19
23
22
21
21
22
23
18
18
19
18
18
17
15
15
14
14
14
13
13
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

62
55
53
51
48
55
64
73
78
82
89
90
93
95
93
93
90
90
92
92
82
70
63
55

Pressure (mb)

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

Ozone (du)

272
273
272
272
272
272
272
272
272
272
273
272
271
270
270
269
269
270
271
272
272
272
272
271

Wednesday 23

Waxing Gibbous 92%

17:51

03:59

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 OK
05 OK
06 Good

Sun - Rise: 06:53, Set: 18:58, Transit: 12:55. Moon - Rise: 17:51, Set: 03:59. Civil Dark: 19:31 - 06:20. Nautical Dark: 20:10 - 05:41. Astro Dark: 20:50 - 05:01

Total Clouds (% Sky Obscured)

94
95
97
99
99
99
100
99
97
95
84
74
70
65
58
50
38
22
6

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
22
45
67
64
61
58
39
19
0
0
0
0

High Clouds (% Sky Obscured)

89
92
93
97
99
99
100
93
81
71
69
62
65
58
47
37
23
19
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
1
1
1
3
0
0
0
0
0
0
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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
21
21
22
20
18
17
17
16
16
15
15
15
14
14
13
13
13

Feels Like (°C)

15
15
20
20
19
19
20
21
14
15
15
15
15
15
14
14
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

49
42
41
41
40
47
57
68
67
67
66
65
66
66
68
71
75
75
76

Pressure (mb)

1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

271
271
271
271
272
273
275
276
278
280
282
285
287
290
290
291
292
292
291

Forecast for Chichester, West Sussex, United Kingdom (50.84,-0.77)

Generated: 17/09/26 11:59:17. Forecast: 17/09/26 to 23/09/26. Timezone: UTC+1.00