Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

New Moon 0%

08:03

15:37

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

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)

0
0
0
0
0
0
0
0
0
0
100
100
100
58
23
48
85
56
46
6
46
48
46
49

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
0
14
23
22
0
16
0
5
46
48
46
49

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
45
45
47
43
23
40
69
45
36
0
0
1
2
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
8
1
1
4
7
2
2
2
2
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
83
81
81
81
81
80
73
64
59
58
59
60
62
72
73
72
76
76
76
80
81
84

Pressure (mb)

1014
1015
1014
1014
1014
1014
1015
1016
1016
1016
1016
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1020

Ozone (du)

311
308
309
311
313
314
314
315
314
310
306
309
315
316
317
320
320
320
321
324
327
330
332
330

Friday 21

Waxing Crescent 2%

09:12

16:10

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

42
29
26
34
35
25
0
0
0
0
0
0
5
1
12
5
0
0
3
0
15
89
100
98

Low Clouds (% Sky Obscured)

42
29
26
34
35
25
0
0
0
0
0
0
3
0
7
0
0
0
0
0
0
0
0
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
0
2
0
11
48
34
89

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
1
5
5
0
0
3
0
10
50
100
94

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
2
8
31
27
23
19

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
1
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)

13
12
11
11
11
10
9
7
7
8
9
9
9
8
6
4
4
3
3
2
2
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
86
86
86
87
86
86
78
72
67
64
65
68
75
85
88
88
86
86
86
83
83
83

Pressure (mb)

1020
1021
1021
1022
1023
1023
1024
1025
1026
1026
1027
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1027
1026
1026

Ozone (du)

327
324
321
314
311
311
310
305
302
300
299
298
297
292
288
284
284
284
284
276
263
261
266
270

Saturday 22

Waxing Crescent 5%

10:13

16:55

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
00 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)

100
100
98
89
94
100
100
99
98
95
98
100
100
100
100
100
100
100
100
100
100
100
100
96

Low Clouds (% Sky Obscured)

66
61
68
78
64
66
58
85
85
87
83
76
79
68
74
95
100
100
99
93
95
90
91
86

Medium Clouds (% Sky Obscured)

89
100
85
86
93
100
100
99
96
95
96
96
31
20
25
46
100
94
100
100
99
97
95
76

High Clouds (% Sky Obscured)

100
100
91
39
32
24
27
65
49
45
52
72
72
100
88
100
100
100
100
100
70
34
9
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
5
6
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

7
1
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
Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
1
15
23
30
29
38
50
60
64
66
52
46
42
65
95
92
95
95
95
95
94
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0
0
0
0.3
0.8
0.8
1.4
2
1.6
1.2
0.7
0.6

Wind Speed/Direction (mph)

3
3
3
4
4
7
10
10
13
17
17
16
15
15
15
15
13
12
10
9
8
8
9
8

Chance of Frost

Temperature (°C)

0
1
1
2
3
5
6
7
7
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Feels Like (°C)

-3
-3
-2
-1
0
1
1
3
2
2
2
2
3
3
3
4
5
6
6
7
7
7
7
6

Dew Point (°C)

-3
-2
-2
-3
-1
1
3
5
3
5
6
6
7
7
7
7
7
7
8
8
8
8
8
7

Relative Humidity (%)

83
81
78
73
72
76
82
85
74
84
88
91
93
91
90
93
93
95
96
96
96
96
98
96

Pressure (mb)

1025
1025
1024
1023
1022
1022
1021
1020
1020
1019
1019
1017
1016
1015
1014
1013
1012
1011
1010
1009
1008
1007
1006
1005

Ozone (du)

272
273
276
281
288
293
290
292
293
291
288
287
285
282
280
278
274
275
275
274
274
280
280
281

Sunday 23

Waxing Crescent 10%

11:03

17:53

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
00 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)

95
90
94
89
87
91
94
96
53
43
100
100
96
98
93
88
88
75
74
41
54
73
64
66

Low Clouds (% Sky Obscured)

85
72
68
54
74
72
71
73
53
43
77
91
79
45
40
44
45
45
40
37
48
61
64
66

Medium Clouds (% Sky Obscured)

80
75
74
64
56
68
78
90
31
37
100
93
66
61
46
30
11
7
37
7
27
51
52
43

High Clouds (% Sky Obscured)

64
90
67
32
0
0
0
0
28
43
90
90
91
98
70
42
30
26
20
2
2
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
4
4
2
9
9
9
9
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

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

Precipitation Probability (%)

81
73
72
68
64
80
95
78
70
73
73
84
88
81
75
64
37
32
23
7
21
23
14
31

Precipitation Amount (mm)

0.6
0.5
0.4
0.4
0.3
0.4
0.8
0.3
0.2
0.3
0.3
0.5
0.5
0.3
0.3
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
8
8
7
8
8
8
9
9
9
9
9
9
8
7
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

8
8
7
7
7
7
7
8
7
7
6
6
6
6
6
6
5
5
5
5
5
5
5
5

Relative Humidity (%)

96
96
93
91
93
96
95
98
95
87
81
81
80
82
85
88
91
91
93
93
91
93
93
91

Pressure (mb)

1005
1004
1003
1002
1002
1001
1000
1000
999
999
998
997
996
996
995
995
995
995
995
995
996
996
996
996

Ozone (du)

276
272
271
270
272
273
274
274
276
276
277
278
281
280
281
283
284
285
288
290
292
290
293
295

Monday 24

Waxing Crescent 17%

11:41

19:01

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
00 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)

60
58
58
79
88
92
79
73
99
75
78
86
91
90
95
93
98
96
95
95
93
91
87
77

Low Clouds (% Sky Obscured)

60
58
58
75
73
79
79
73
91
75
78
86
86
83
73
64
54
57
61
65
63
59
54
56

Medium Clouds (% Sky Obscured)

34
22
16
43
52
74
57
50
91
45
40
49
58
57
61
67
66
64
64
65
65
67
68
60

High Clouds (% Sky Obscured)

0
0
0
1
0
1
1
1
8
0
1
1
2
4
7
9
14
23
25
21
20
17
18
17

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 (%)

33
21
25
25
20
29
34
38
27
19
17
30
29
27
40
42
37
36
31
14
28
29
23
35

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

Chance of Frost

Temperature (°C)

6
6
6
6
5
5
5
5
6
6
7
7
7
6
6
6
6
6
6
6
6
6
6
6

Feels Like (°C)

4
4
4
2
1
2
1
1
1
2
2
2
2
2
2
2
1
1
1
1
0
0
0
0

Dew Point (°C)

5
5
4
4
4
4
4
4
4
4
4
4
4
4
5
4
4
3
3
3
3
3
3
3

Relative Humidity (%)

93
93
91
91
90
90
91
91
88
85
81
82
85
87
90
86
83
81
82
82
82
82
81
81

Pressure (mb)

996
996
996
997
997
997
997
998
998
998
998
998
998
998
998
998
999
999
999
1000
1000
1001
1002
1002

Ozone (du)

295
296
296
299
303
307
304
302
303
305
306
309
310
311
312
313
315
317
315
314
312
308
305
301

Tuesday 25

Waxing Crescent 25%

12:08

20:16

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

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)

69
61
68
75
83
68
55
61
61
51
40
39
36
36
36
39
44
37
20
0
1
2
3
3

Low Clouds (% Sky Obscured)

61
61
66
69
72
61
52
40
41
43
40
39
36
36
36
39
44
34
16
0
1
2
3
3

Medium Clouds (% Sky Obscured)

46
35
44
52
74
55
30
6
5
3
2
1
1
0
3
6
8
6
2
0
0
0
0
0

High Clouds (% Sky Obscured)

12
9
6
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

41
35
34
38
36
31
26
19
16
11
3
4
4
2
10
9
3
6
6
4
4
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
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
81
81
81
78
76
74
71
70
67
69
70
71
76
83
88
90
91
91
93
93
93

Pressure (mb)

1003
1004
1004
1005
1006
1007
1008
1009
1010
1011
1012
1012
1013
1014
1014
1015
1016
1017
1018
1019
1020
1020
1021
1021

Ozone (du)

300
299
298
298
299
300
301
302
303
304
305
305
308
311
314
310
306
302
298
293
289
287
286
285

Wednesday 26

Waxing Crescent 34%

12:29

21:33

Sun - Rise: 07:37, Set: 16:03, Transit: 11:50. Moon - Rise: 12:29, Set: 21:33. Civil Dark: 16:41 - 06:59. Nautical Dark: 17:22 - 06:18. Astro Dark: 18:02 - 05:39

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: 20/11/25 01:15:05. Forecast: 20/11/25 to 26/11/25. Timezone: UTC+0.00