Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waning Gibbous 64%

00:03

10:42

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
01 Bad
02 Bad
03 OK
04 OK

Sun - Rise: 08:02, Set: 16:18, Transit: 12:10. Moon - Rise: 00:03, Set: 10:42. Civil Dark: 16:56 - 07:24. Nautical Dark: 17:38 - 06:42. Astro Dark: 18:17 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
92
76
53
74
66
46
42
29

Low Clouds (% Sky Obscured)

67
66
72
67
62
50
44
55
49
43
53
59
50
56
61
55
60
59
49
74
53
44
40
27

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
92
88
63
26
10
15
3
5
5

High Clouds (% Sky Obscured)

0
4
98
100
100
100
100
72
55
50
55
46
48
60
39
54
50
42
28
9
9
19
37
26

ISS Passover

Visibility (miles)

0
0
1
8
7
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

Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
81
54
47
39
25
18
4
4
15
6
6
12
14
7
16
4
3
4
0
1
0
0
0

Precipitation Amount (mm)

0.8
0.4
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)

22
22
23
25
22
21
22
22
21
19
18
18
17
17
17
17
17
17
17
17
17
16
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
93
94
91
88
86
88
89
89
86
86
86
89
83
82
83
82
81
81
86
83
84

Pressure (mb)

986
988
990
992
993
994
996
996
997
997
998
999
1000
1001
1002
1002
1003
1004
1005
1006
1007
1008
1009
1010

Ozone (du)

369
363
369
376
386
382
387
382
383
389
388
385
390
401
400
396
392
390
389
388
382
386
393
392

Saturday 10

Third Quarter 54%

01:15

10:54

05 OK
06 OK
07 OK
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Bad
15 Good
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

Sun - Rise: 08:02, Set: 16:19, Transit: 12:10. Moon - Rise: 01:15, Set: 10:54. Civil Dark: 16:57 - 07:23. Nautical Dark: 17:39 - 06:42. Astro Dark: 18:18 - 06:02

Total Clouds (% Sky Obscured)

12
11
4
0
0
0
0
7
0
60
0
61
63
39
88
83
90
87
85
89
89
89
79
93

Low Clouds (% Sky Obscured)

11
10
3
0
0
0
0
7
0
0
0
0
0
9
24
38
49
77
71
75
81
72
68
67

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
43
40
22
44
39
36
21
23
46
57
44
58
57

High Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
45
0
3
20
20
35
32
64
48
49
53
24
36
11
50

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
1
4
1
1
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
11
10
9
8
8
10
10
9
8
6
4
4
3
3
3
2
2
2
3
4
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
87
87
86
83
79
75
72
73
77
86
89
91
89
91
89
91
91
91
92
92
92
91

Pressure (mb)

1011
1011
1012
1013
1014
1015
1016
1016
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020

Ozone (du)

385
381
377
378
378
376
372
366
365
361
354
351
346
342
339
337
330
324
321
317
317
316
316
316

Sunday 11

Waning Crescent 44%

02:27

11:07

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
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:01, Set: 16:20, Transit: 12:11. Moon - Rise: 02:27, Set: 11:07. Civil Dark: 16:58 - 07:23. Nautical Dark: 17:40 - 06:41. Astro Dark: 18:20 - 06:02

Total Clouds (% Sky Obscured)

100
97
97
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
98
98
99
100
100
100

Low Clouds (% Sky Obscured)

86
74
68
60
61
62
62
67
89
94
100
100
100
100
100
91
100
100
96
92
87
84
80
78

Medium Clouds (% Sky Obscured)

63
96
96
97
82
100
99
100
99
100
82
81
100
99
100
100
100
87
39
72
82
44
81
85

High Clouds (% Sky Obscured)

91
13
46
100
100
100
100
100
70
100
100
100
100
100
100
100
100
74
10
40
70
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
4
5
7
9
9
7
9
6
9
9
8
8
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
4
1
0
0
0
2
38
91
95
82
91
66
91
95
95
91
36
54
65
78
84
75
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.7
0.9
0.5
0.9
0.3
0.4
0.9
1.3
0.8
0
0
0.2
0.4
0.6
0.4
0.3

Wind Speed/Direction (mph)

5
7
8
11
13
15
17
18
19
20
21
21
21
22
22
22
21
23
22
20
21
18
16
19

Chance of Frost

Temperature (°C)

0
1
2
3
3
4
5
6
6
6
5
5
5
6
6
7
7
8
8
9
9
9
10
10

Feels Like (°C)

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

Dew Point (°C)

-2
-1
0
0
1
2
3
3
4
4
5
5
5
5
6
6
7
7
8
8
8
9
9
9

Relative Humidity (%)

88
88
86
83
83
83
83
82
85
90
96
94
96
96
96
96
98
96
96
98
96
98
98
96

Pressure (mb)

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

Ozone (du)

312
311
309
309
309
311
314
313
314
314
314
313
314
313
313
315
318
319
318
320
320
319
318
316

Monday 12

Waning Crescent 35%

03:40

11:22

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
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:00, Set: 16:22, Transit: 12:11. Moon - Rise: 03:40, Set: 11:22. Civil Dark: 17:00 - 07:22. Nautical Dark: 17:41 - 06:41. Astro Dark: 18:21 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
93
100
96
56
53
52
83
93
97
100
100
99
99
99
99
100
100
100

Low Clouds (% Sky Obscured)

76
72
66
63
56
50
65
64
63
33
38
41
46
47
46
42
43
52
59
87
91
95
95
95

Medium Clouds (% Sky Obscured)

36
64
80
100
86
73
41
76
51
41
23
13
0
0
5
40
54
71
92
95
98
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
93
96
95
56
53
52
51
69
85
100
85
69
62
75
86
91
93
100

ISS Passover

Visibility (miles)

7
5
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
2
1
3
6

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

Precipitation Probability (%)

43
58
52
39
38
30
21
21
9
3
7
6
6
5
4
4
7
12
36
85
85
78
89
85

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
11
11
11
11
11
10
10
10
10
10
10
9
9
9
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

9
10
9
9
9
9
9
8
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

96
96
95
95
95
93
87
85
88
88
88
90
91
91
93
96
95
96
96
96
98
98
98
96

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1006
1006
1006
1006
1005
1005
1004
1004

Ozone (du)

316
317
316
318
322
325
329
335
337
337
337
330
322
320
321
321
322
323
323
324
323
324
324
322

Tuesday 13

Waning Crescent 26%

04:51

11:42

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
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:00, Set: 16:23, Transit: 12:11. Moon - Rise: 04:51, Set: 11:42. Civil Dark: 17:01 - 07:22. Nautical Dark: 17:42 - 06:40. Astro Dark: 18:22 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
77
68
65
65

Low Clouds (% Sky Obscured)

96
90
84
78
78
78
79
74
69
64
68
73
78
73
72
71
75
78
80
77
76
68
65
63

Medium Clouds (% Sky Obscured)

100
100
100
100
99
98
97
98
99
99
99
99
100
100
99
98
99
99
100
84
66
44
27
14

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
71
42
13
9
6

ISS Passover

Visibility (miles)

9
9
9
7
5
9
8
8
7
9
7
9
9
9
7
5
3
4
4
4
6
8
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
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

88
83
90
95
82
65
52
66
57
48
51
52
46
71
76
79
75
75
73
69
64
53
37
29

Precipitation Amount (mm)

0.5
0.5
0.6
0.7
0.5
0.4
0
0.3
0.2
0
0.3
0.2
0
0.4
0.5
0.4
0.4
0.4
0.4
0.3
0.3
0.2
0
0

Wind Speed/Direction (mph)

15
15
16
16
17
17
17
17
16
16
15
15
15
14
12
12
11
11
11
11
11
11
12
12

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
10
10
10
9
9
9
9
9
9
9
9
9
8
8
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
96
96
96
95
95
96
95
96
96
95
95
95
96
98
96
96
95
93
90
88
86

Pressure (mb)

1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1001
1001
1002
1002
1002
1003

Ozone (du)

321
320
323
327
329
332
332
332
335
338
340
341
344
347
348
350
352
353
355
357
358
358
359
363

Wednesday 14

Waning Crescent 18%

No Rise

12:09

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
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:59, Set: 16:25, Transit: 12:12. Moon - Rise: No Rise, Set: 12:09. Civil Dark: 17:03 - 07:21. Nautical Dark: 17:44 - 06:40. Astro Dark: 18:23 - 06:00

Total Clouds (% Sky Obscured)

64
64
64
64
72
83
93
87
82
76
70
64
65
76
84
90
89
88
79
85
92
100
99
98

Low Clouds (% Sky Obscured)

58
56
56
58
54
48
42
31
20
14
22
39
57
66
72
78
66
54
42
50
57
66
70
73

Medium Clouds (% Sky Obscured)

0
0
0
0
13
27
43
46
50
52
55
56
58
53
53
73
78
84
79
85
92
100
99
98

High Clouds (% Sky Obscured)

0
0
0
0
2
3
5
3
2
0
0
0
0
2
7
25
51
52
49
56
80
100
77
57

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

25
26
26
16
17
16
12
8
8
2
15
24
36
44
47
45
37
32
25
61
88
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
1
0.9
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
82
82
82
81
78
77
78
78
79
82
87
90
90
88
88
88
90
91
93
95
96
96

Pressure (mb)

1003
1003
1004
1005
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1005

Ozone (du)

367
371
364
358
352
348
345
342
342
342
343
344
346
348
350
352
354
353
353
353
354
356
357
354

Thursday 15

Waning Crescent 11%

05:58

12:47

Sun - Rise: 07:58, Set: 16:26, Transit: 12:12. Moon - Rise: 05:58, Set: 12:47. Civil Dark: 17:04 - 07:20. Nautical Dark: 17:45 - 06:39. Astro Dark: 18:24 - 06:00

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: 09/01/26 05:06:50. Forecast: 09/01/26 to 15/01/26. Timezone: UTC+0.00