Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 1%

06:51

15:13

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Good
20 OK
21 Bad
22 OK
23 OK

Sun - Rise: 07:26, Set: 16:10, Transit: 11:48. Moon - Rise: 06:51, Set: 15:13. Civil Dark: 16:47 - 06:49. Nautical Dark: 17:28 - 06:09. Astro Dark: 18:07 - 05:30

Total Clouds (% Sky Obscured)

31
50
51
84
79
82
82
94
100
96
74
61
65
83
100
100
100
98
78
9
42
64
40
30

Low Clouds (% Sky Obscured)

31
42
43
49
64
71
71
79
59
88
58
48
44
40
48
40
32
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

22
15
1
23
14
19
25
51
50
54
74
37
65
83
100
100
100
89
71
9
42
36
19
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
20
10
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
8
9
9
8
9
9
0
7
0
0
7
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

32
15
6
10
23
27
44
51
43
62
63
46
37
26
23
10
6
4
2
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
8
9
11
12
14
14
15
16
20
23
23
22
21
20
20
19
17
16
16
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
2
1
1
-1
-2
-2
-2
-2
-3
-4
-4
-3
-3
-3
-4
-4
-4
-5
-5
-5
-4
-5

Dew Point (°C)

3
4
4
4
3
2
3
3
3
4
4
3
3
2
2
2
1
0
-1
-1
-2
-2
-2
-3

Relative Humidity (%)

91
93
94
93
91
80
86
96
94
96
96
88
89
80
83
88
83
83
82
83
83
83
83
83

Pressure (mb)

1009
1008
1007
1007
1006
1006
1006
1006
1007
1008
1008
1009
1009
1009
1010
1011
1011
1012
1013
1013
1014
1014
1014
1014

Ozone (du)

269
277
285
290
296
301
301
302
303
306
311
316
327
332
335
331
324
322
323
321
313
319
326
329

Thursday 20

New Moon 0%

08:03

15:37

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

Sun - Rise: 07:28, Set: 16:09, Transit: 11:48. Moon - Rise: 08:03, Set: 15:37. Civil Dark: 16:46 - 06:51. Nautical Dark: 17:27 - 06:10. Astro Dark: 18:06 - 05:31

Total Clouds (% Sky Obscured)

58
1
0
0
0
0
0
0
0
0
0
5
0
0
95
98
100
0
0
0
0
0
0
21

Low 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
21

Medium Clouds (% Sky Obscured)

27
0
0
0
0
0
0
0
0
0
0
5
0
0
60
63
57
0
0
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 (%)

1
2
1
1
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

-0
-1
-1
-1
-1
-1
-1
-1
-1
0
2
3
4
4
4
4
3
2
2
1
1
1
1
0

Feels Like (°C)

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

Dew Point (°C)

-2
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-3
-3
-3
-4
-4
-4
-4
-4
-3
-3

Relative Humidity (%)

86
80
78
78
78
77
77
77
78
73
66
61
56
59
60
62
65
66
68
70
71
73
77
78

Pressure (mb)

1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1016
1017
1017
1017
1018
1018
1019
1020
1020
1020

Ozone (du)

330
331
328
324
322
321
321
320
321
320
319
319
324
324
319
315
316
318
320
323
327
327
325
322

Friday 21

Waxing Crescent 2%

09:12

16:10

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

Sun - Rise: 07:29, Set: 16:08, Transit: 11:49. Moon - Rise: 09:12, Set: 16:10. Civil Dark: 16:45 - 06:52. Nautical Dark: 17:26 - 06:11. Astro Dark: 18:05 - 05:32

Total Clouds (% Sky Obscured)

41
40
48
51
43
33
30
32
17
10
2
4
5
13
59
5
12
15
5
15
15
27
48
74

Low Clouds (% Sky Obscured)

41
40
48
51
43
33
30
32
12
0
0
0
0
0
0
0
0
0
0
0
0
7
14
21

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
0
0
4
11
0
0
4
5
15
15
27
48
74

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
6
1
4
5
12
47
3
12
10
5
7
1
13
18
22

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
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
0
0
0
0

Wind Speed/Direction (mph)

10
10
10
10
10
9
9
8
7
8
8
8
8
8
6
4
4
3
3
2
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-3
-3
-3
-3
-2
-2
-3
-3
-3
-3
1
1
1
2
2
1
-2
-3
-3
-2
-3
-3
-2

Dew Point (°C)

-3
-3
-3
-3
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-2
-1
-2
-3
-3
-3
-3
-4
-4
-4

Relative Humidity (%)

78
80
80
81
84
86
87
84
83
75
69
63
61
59
59
67
73
76
75
75
74
73
73
73

Pressure (mb)

1021
1021
1022
1022
1022
1023
1023
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1024

Ozone (du)

321
319
316
314
309
302
296
296
296
295
293
292
290
288
287
287
287
288
283
271
262
260
267
272

Saturday 22

Waxing Crescent 5%

10:13

16:55

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

Sun - Rise: 07:31, Set: 16:07, Transit: 11:49. Moon - Rise: 10:13, Set: 16:55. Civil Dark: 16:44 - 06:54. Nautical Dark: 17:25 - 06:13. Astro Dark: 18:04 - 05:34

Total Clouds (% Sky Obscured)

82
92
100
100
100
100
100
100
100
99
98
97
98
99
99
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
50
66
54
50
56
49
46
47
58
74
86
89
92
95
91
93
100
100
97
88
79
79
77

Medium Clouds (% Sky Obscured)

67
61
52
68
84
100
100
100
100
77
91
95
91
96
97
80
80
70
65
62
69
87
100
100

High Clouds (% Sky Obscured)

48
73
100
100
100
100
100
100
100
72
36
10
11
12
14
23
30
27
64
81
100
75
50
25

ISS Passover

Visibility (miles)

9
9
9
5
6
9
9
9
9
8
4
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

12
17
31
38
31
24
20
23
37
48
51
39
37
35
37
45
56
77
86
84
68
39
27
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.8
0.7
0.4
0
0
0

Wind Speed/Direction (mph)

3
4
4
5
5
8
12
12
13
12
12
13
14
14
13
10
9
8
9
10
12
12
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
78
84
89
93
91
93
93
94
96
94
94
93
93
94
94
94
94
96
96
98
98
96

Pressure (mb)

1024
1023
1022
1021
1021
1020
1019
1018
1018
1017
1016
1016
1015
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1010

Ozone (du)

280
286
290
293
295
297
298
299
297
297
298
297
295
294
293
293
293
288
285
284
282
279
281
279

Sunday 23

Waxing Crescent 10%

11:03

17:53

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

Sun - Rise: 07:32, Set: 16:06, Transit: 11:49. Moon - Rise: 11:03, Set: 17:53. Civil Dark: 16:43 - 06:55. Nautical Dark: 17:24 - 06:14. Astro Dark: 18:03 - 05:35

Total Clouds (% Sky Obscured)

99
97
96
97
94
100
88
76
44
69
91
100
87
70
55
59
73
79
87
94
100
98
95
91

Low Clouds (% Sky Obscured)

86
86
88
92
94
100
85
70
44
53
52
51
50
50
49
46
43
40
26
13
0
0
0
0

Medium Clouds (% Sky Obscured)

94
89
86
92
52
68
77
55
0
23
40
30
25
20
45
50
45
42
36
30
23
28
37
46

High Clouds (% Sky Obscured)

19
4
15
1
0
0
5
11
15
38
65
85
65
39
16
21
27
33
57
79
100
84
61
42

ISS Passover

Visibility (miles)

9
9
3
9
9
9
9
9
8
9
9
9
9
9
9
8
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
Very Light Rain
Light Rain
None
Very 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

Precipitation Probability (%)

38
61
82
57
67
72
70
64
52
38
30
24
44
49
47
45
36
20
17
14
7
10
8
3

Precipitation Amount (mm)

0
0.3
0.6
0
0.2
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
5
5
5
5
5
4
8
5
6
5
5
5
5
5
5
5
2
2
2
3
3

Dew Point (°C)

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

Relative Humidity (%)

93
90
93
94
94
93
93
96
94
96
90
81
78
81
82
85
88
91
94
94
94
93
93
91

Pressure (mb)

1010
1009
1008
1008
1007
1006
1005
1005
1005
1004
1004
1004
1003
1003
1003
1002
1002
1002
1002
1002
1001
1001
1000
1000

Ozone (du)

274
273
273
276
277
279
281
284
286
285
283
283
284
283
282
281
280
280
279
279
279
279
279
280

Monday 24

Waxing Crescent 17%

11:41

19:01

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

Sun - Rise: 07:34, Set: 16:05, Transit: 11:49. Moon - Rise: 11:41, Set: 19:01. Civil Dark: 16:42 - 06:56. Nautical Dark: 17:24 - 06:15. Astro Dark: 18:03 - 05:36

Total Clouds (% Sky Obscured)

93
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
14
27
41
31
24
15
24
38
47
31
28
26
29
32
35
42
47
51
48
41
32

Medium Clouds (% Sky Obscured)

66
85
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

58
76
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
78
69
81
90
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
14
9
35
39
27
49
52
42
41
37
20
38
39
35
36
36
25
28
24
12
16
12
5

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
1
1
2
3
4
4
6
7
9
10
11
13
13
14
14
14
15
16
16
17
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
2
2
2
2
2
1
1
1
1
1
1
0
-0
0
0
-0
-1
-2
-1
-1
-1

Dew Point (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
4
3
4
4
3
3
3
3
3
3
4

Relative Humidity (%)

91
91
91
91
93
94
94
93
91
91
88
86
85
85
82
81
82
82
82
82
83
85
85
86

Pressure (mb)

999
998
997
996
995
994
993
993
993
993
993
993
992
993
993
994
995
996
996
998
999
1000
1001
1002

Ozone (du)

280
280
280
279
281
283
284
287
289
292
294
295
296
299
301
304
301
299
296
291
286
282
284
286

Tuesday 25

Waxing Crescent 25%

12:08

20:16

Sun - Rise: 07:35, Set: 16:04, Transit: 11:50. Moon - Rise: 12:08, Set: 20:16. Civil Dark: 16:42 - 06:58. Nautical Dark: 17:23 - 06:17. Astro Dark: 18:02 - 05:37

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: 19/11/25 00:27:57. Forecast: 19/11/25 to 25/11/25. Timezone: UTC+0.00