Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 24

Waxing Crescent 8%

11:15

18:33

06 Bad
07 Bad
08 Bad
09 OK
10 Bad
11 Bad
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

Sun - Rise: 07:42, Set: 17:51, Transit: 12:47. Moon - Rise: 11:15, Set: 18:33. Civil Dark: 18:25 - 07:08. Nautical Dark: 19:04 - 06:30. Astro Dark: 19:42 - 05:53

Total Clouds (% Sky Obscured)

64
47
37
9
38
31
31
44
52
78
36
42
97
100
100
85
65
55
63
50
39
59
56
67

Low Clouds (% Sky Obscured)

0
0
0
9
32
31
31
44
48
63
36
29
33
43
57
55
65
55
63
50
39
11
49
60

Medium Clouds (% Sky Obscured)

4
0
0
0
4
18
31
30
32
38
3
14
46
47
47
32
30
2
0
0
1
29
26
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
0
0
2
40
45
12
0
0
0
2
5
3
3
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
8
8
9
8
8
9
9
9
9
4
7
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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

1
2
13
23
17
26
30
40
38
32
35
43
34
36
43
56
75
60
25
5
1
0
2
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
83
82
78
72
66
66
67
68
66
71
76
76
76
74
76
82
87
93
93
91
93
94

Pressure (mb)

1002
1002
1002
1003
1003
1002
1002
1002
1002
1001
1001
1001
1000
1000
1000
999
999
999
999
1000
1001
1001
1002
1002

Ozone (du)

294
294
294
293
292
289
285
282
281
283
284
283
285
288
292
292
293
294
295
291
293
297
298
299

Saturday 25

Waxing Crescent 15%

12:22

19:10

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

Sun - Rise: 07:44, Set: 17:49, Transit: 12:47. Moon - Rise: 12:22, Set: 19:10. Civil Dark: 18:23 - 07:10. Nautical Dark: 19:02 - 06:31. Astro Dark: 19:40 - 04:55

Total Clouds (% Sky Obscured)

80
67
81
59
57
48
43
59
64
37
23
12
1
0
7
17
16
84
92
93
43
29
0
0

Low Clouds (% Sky Obscured)

38
15
8
7
44
41
43
59
60
37
13
12
0
0
0
0
0
0
10
65
43
29
0
0

Medium Clouds (% Sky Obscured)

30
30
29
22
12
7
1
0
4
0
7
0
0
0
4
10
10
46
66
53
0
0
0
0

High Clouds (% Sky Obscured)

44
16
4
0
1
2
1
0
2
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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

2
1
1
1
2
11
34
23
20
4
5
10
7
1
0
0
2
17
32
59
10
3
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0

Wind Speed/Direction (mph)

8
8
7
9
10
12
12
11
12
14
12
12
11
12
12
13
12
13
13
10
10
10
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
93
93
88
77
72
83
87
78
62
63
70
78
79
82
85
86
85
88
85
86
85
88
88

Pressure (mb)

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

Ozone (du)

298
295
297
298
301
302
303
292
286
282
284
290
290
289
290
290
290
291
295
297
295
292
290
287

Sunday 26

Waxing Crescent 22%

12:20

18:58

06 Good
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
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

Sun - Rise: 06:45, Set: 16:47, Transit: 11:46. Moon - Rise: 12:20, Set: 18:58. Civil Dark: 17:21 - 06:12. Nautical Dark: 18:00 - 05:33. Astro Dark: 18:38 - 04:56

Total Clouds (% Sky Obscured)

14
100
100
83
63
72
97
95
98
100
100
100
100
100
100
100
100
100
99
98
97
87
73
54

Low Clouds (% Sky Obscured)

0
0
0
11
38
31
66
65
46
66
66
88
69
83
63
71
61
61
58
56
45
41
36
29

Medium Clouds (% Sky Obscured)

0
25
25
19
14
72
96
91
77
100
100
100
99
100
96
97
92
98
94
89
30
32
13
15

High Clouds (% Sky Obscured)

12
92
94
7
15
41
38
63
92
90
100
100
100
100
100
100
100
96
88
85
91
64
28
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
1
2
4
4
2
0
3
27
58
44
35
45
47
51
51
44
29
23
21
11
11
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
3
2
3
3
3
3
4
6
7
8
9
9
9
9
9
9
8
7
6
6

Relative Humidity (%)

85
85
82
76
73
64
64
64
62
64
72
81
84
85
90
88
84
83
83
85
85
77
77
80

Pressure (mb)

1011
1011
1012
1012
1013
1012
1012
1012
1011
1010
1010
1009
1008
1007
1006
1006
1005
1005
1004
1004
1004
1004
1004
1004

Ozone (du)

287
286
287
285
283
282
284
283
281
281
280
278
275
273
272
272
273
274
272
273
274
276
276
276

Monday 27

Waxing Crescent 31%

13:06

20:00

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

Sun - Rise: 06:47, Set: 16:46, Transit: 11:46. Moon - Rise: 13:06, Set: 20:00. Civil Dark: 17:20 - 06:13. Nautical Dark: 17:58 - 05:36. Astro Dark: 18:36 - 04:58

Total Clouds (% Sky Obscured)

59
74
83
79
43
32
36
30
32
24
18
10
11
6
4
7
4
6
15
25
43
48
63
66

Low Clouds (% Sky Obscured)

34
43
53
54
43
32
36
30
32
24
18
10
7
5
2
2
2
1
9
16
24
18
12
4

Medium Clouds (% Sky Obscured)

30
33
40
26
13
0
0
0
0
0
0
0
0
0
0
0
0
0
11
20
33
41
55
65

High Clouds (% Sky Obscured)

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

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 (%)

2
4
1
3
12
2
1
2
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)

15
16
18
19
19
19
19
17
15
13
12
9
8
7
7
7
6
5
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
69
59
65
67
66
57
51
53
55
58
68
74
75
76
81
83
85
83
82
80
79
80
80

Pressure (mb)

1005
1005
1006
1006
1007
1008
1009
1010
1011
1011
1012
1013
1014
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

278
280
282
283
284
286
287
288
287
287
285
283
282
281
281
279
278
277
275
274
273
272
271
268

Tuesday 28

Waxing Crescent 41%

13:40

21:11

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
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

Sun - Rise: 06:49, Set: 16:44, Transit: 11:46. Moon - Rise: 13:40, Set: 21:11. Civil Dark: 17:18 - 06:15. Nautical Dark: 17:57 - 05:38. Astro Dark: 18:35 - 05:00

Total Clouds (% Sky Obscured)

71
67
92
90
83
55
82
84
91
94
97
100
97
94
93
88
85
82
80
78
77
82
91
98

Low Clouds (% Sky Obscured)

31
60
88
81
74
55
60
54
47
46
45
44
75
77
80
80
79
78
74
71
66
58
51
44

Medium Clouds (% Sky Obscured)

60
55
40
24
15
6
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
2
3
4
3
4
31
41
69
79
89
100
82
69
56
48
43
35
42
45
48
62
78
92

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
4
6
1
6
7
2
4
5
3
11
13
12
14
14
13
13
11
4
7
5
1

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)

3
3
3
3
7
10
12
12
12
12
11
10
9
7
7
6
6
6
5
5
4
4
4
3

Chance of Frost

Temperature (°C)

5
6
7
8
10
13
14
14
14
14
13
12
12
12
12
12
12
12
12
12
11
11
11
10

Feels Like (°C)

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

Dew Point (°C)

2
3
3
3
5
7
8
9
10
10
10
10
10
10
10
10
10
10
10
9
9
8
8
8

Relative Humidity (%)

80
79
74
71
67
67
66
69
73
79
81
84
89
90
89
90
90
87
86
84
84
83
83
84

Pressure (mb)

1018
1018
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014

Ozone (du)

267
266
265
264
263
263
262
262
262
262
262
263
263
264
264
265
264
263
262
261
261
261
262
262

Wednesday 29

First Quarter 51%

14:06

22:29

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
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

Sun - Rise: 06:51, Set: 16:42, Transit: 11:46. Moon - Rise: 14:06, Set: 22:29. Civil Dark: 17:16 - 06:16. Nautical Dark: 17:55 - 05:39. Astro Dark: 18:33 - 05:01

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

40
38
36
47
54
62
52
42
27
35
35
32
38
46
54
54
62
65
62
56
56
60
65
71

Medium Clouds (% Sky Obscured)

13
17
11
35
59
81
85
90
94
96
97
100
96
91
93
91
88
85
87
90
93
92
90
88

High Clouds (% Sky Obscured)

95
97
100
100
100
100
100
100
100
100
100
100
68
40
25
54
58
59
63
80
95
93
92
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
9
9
9
8
7
8
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

6
6
3
7
8
3
8
7
0
2
3
3
32
46
51
43
37
29
43
51
56
64
65
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0.3
0.3
0.3

Wind Speed/Direction (mph)

4
5
6
7
9
11
13
12
11
10
9
8
7
6
6
6
6
6
6
7
6
7
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
7
7
8
8
9
9
9
9
7
8
8
7
8
7
8
7
7
7
9
8
8
8
9

Dew Point (°C)

7
7
7
7
7
6
6
6
5
4
5
5
4
6
8
10
10
11
11
11
11
11
12
12

Relative Humidity (%)

85
81
77
73
70
65
63
63
63
63
62
61
58
68
80
93
92
92
92
95
95
96
96
96

Pressure (mb)

1014
1014
1013
1013
1012
1012
1011
1010
1009
1008
1008
1007
1007
1006
1006
1005
1004
1004
1003
1003
1002
1001
1001
1000

Ozone (du)

263
263
263
263
264
265
265
264
262
261
261
261
261
263
265
267
268
269
270
271
271
271
272
273

Thursday 30

Waxing Gibbous 62%

14:25

23:49

Sun - Rise: 06:52, Set: 16:40, Transit: 11:46. Moon - Rise: 14:25, Set: 23:49. Civil Dark: 17:14 - 06:18. Nautical Dark: 17:53 - 05:41. Astro Dark: 18:31 - 05:03

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 24/10/25 06:03:55. Forecast: 24/10/25 to 30/10/25. Timezone: UTC+1.00