Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Gibbous 85%

17:37

01:30

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

Sun - Rise: 04:50, Set: 21:20, Transit: 13:05. Moon - Rise: 17:37, Set: 01:30. Civil Dark: 22:07 - 04:04. Nautical Dark: 23:16 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
1
1
2
7
6
3
4
41
14
55
54
43
4
14
39
47
46
69
100
92
51
100
100

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
1
0

Medium Clouds (% Sky Obscured)

1
1
1
2
4
6
3
0
0
0
0
0
0
0
2
3
0
0
3
2
9
36
44
32

High Clouds (% Sky Obscured)

0
0
0
0
2
0
0
4
41
14
50
54
43
4
14
39
47
46
69
100
89
24
100
100

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
37

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
0.2

Wind Speed/Direction (mph)

8
7
6
6
7
7
9
12
13
14
14
14
14
15
15
15
16
14
13
13
12
11
5
5

Chance of Frost

Temperature (°C)

23
22
22
21
20
20
21
22
24
26
28
30
32
33
34
35
35
34
32
30
28
26
26
26

Feels Like (°C)

26
25
24
23
22
22
22
23
25
27
29
30
31
32
33
34
33
33
32
29
27
27
27
26

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
91
89
84
73
66
60
55
52
44
39
36
33
32
32
40
45
50
53
59
66
72

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1013
1013
1012
1012
1012
1012
1012
1013
1013

Ozone (du)

321
322
322
320
320
318
317
318
317
316
317
318
319
319
318
318
318
317
317
317
319
320
319
318

Friday 26

Waxing Gibbous 91%

18:48

01:50

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

Sun - Rise: 04:51, Set: 21:20, Transit: 13:06. Moon - Rise: 18:48, Set: 01:50. Civil Dark: 22:06 - 04:05. Nautical Dark: 23:16 - 02:55. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
89
95
98
72
62
52
22
4
3
10
3
3
7
16
31
100
64
68
34
37
23

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
17
0
0
1
4
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

82
51
65
34
15
3
2
7
2
3
3
0
0
0
0
0
0
0
0
18
3
8
16
14

High Clouds (% Sky Obscured)

100
100
75
78
88
95
58
56
45
16
0
2
2
3
3
6
16
31
100
48
47
18
17
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
4
4
3
4
9
9
9
9
9
9
9
9
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
None
None
None

Precipitation Probability (%)

34
5
5
26
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
25
33
37

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)

2
2
5
5
2
10
7
8
8
11
11
12
13
14
15
14
14
13
11
8
5
6
5
4

Chance of Frost

Temperature (°C)

26
26
25
24
24
23
24
23
25
25
26
27
27
27
27
27
26
25
24
23
21
21
20
19

Feels Like (°C)

29
27
26
25
26
23
25
23
26
26
27
27
27
26
26
26
25
24
24
23
24
22
21
21

Dew Point (°C)

21
22
20
19
19
20
20
16
15
14
12
10
10
10
10
9
9
9
10
13
14
14
15
16

Relative Humidity (%)

75
78
73
73
73
83
77
64
52
50
43
35
33
33
33
33
34
35
41
53
61
64
75
82

Pressure (mb)

1012
1012
1011
1011
1012
1013
1013
1013
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

310
310
312
313
312
312
313
318
321
321
321
320
319
318
316
315
313
312
311
311
311
312
311
312

Saturday 27

Waxing Gibbous 96%

19:55

02:16

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

Sun - Rise: 04:51, Set: 21:20, Transit: 13:06. Moon - Rise: 19:55, Set: 02:16. Civil Dark: 22:06 - 04:05. Nautical Dark: 23:16 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
47
26
28
40
41
38
100
100
89
57
56
60
65
51
23
53
6
14
68
81
30
71
63

Low Clouds (% Sky Obscured)

0
0
1
0
0
9
0
19
23
6
4
3
8
10
2
0
0
0
6
11
17
18
20
20

Medium Clouds (% Sky Obscured)

14
19
16
21
27
22
25
55
99
70
57
46
60
65
26
23
53
0
7
12
18
17
10
7

High Clouds (% Sky Obscured)

15
34
7
2
6
3
3
79
53
46
41
36
34
10
51
8
53
4
3
26
25
2
21
18

ISS Passover

Visibility (miles)

9
7
9
9
9
9
9
9
9
7
7
2
0
0
4
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

Very Light Rain
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 (%)

52
41
24
9
15
2
0
4
15
1
27
2
1
16
7
1
1
0
5
7
4
10
8
3

Precipitation Amount (mm)

0.3
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
3
3
2
2
2
4
5
7
8
6
7
9
11
11
14
13
10
9
6
6
6
5

Chance of Frost

Temperature (°C)

18
17
17
17
16
17
19
21
23
24
25
26
26
27
25
25
26
24
23
23
22
20
20
19

Feels Like (°C)

20
21
19
19
20
21
23
24
23
24
25
28
27
28
26
23
24
23
23
23
21
19
21
18

Dew Point (°C)

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

Relative Humidity (%)

82
86
87
89
89
88
82
76
64
52
48
44
40
39
38
38
42
44
43
48
57
64
72
78

Pressure (mb)

1017
1017
1017
1017
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1014
1014
1015
1015
1015
1015

Ozone (du)

313
312
312
313
313
313
313
313
313
312
313
312
311
311
310
311
311
311
310
309
309
310
311
312

Sunday 28

Waxing Gibbous 99%

20:53

02:52

01 OK
02 OK
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 OK
22 OK
23 Good
00 OK

Sun - Rise: 04:52, Set: 21:20, Transit: 13:06. Moon - Rise: 20:53, Set: 02:52. Civil Dark: 22:06 - 04:06. Nautical Dark: 23:15 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

31
22
65
72
82
93
93
92
92
95
97
100
62
96
86
71
83
74
63
45
30
22
11
35

Low Clouds (% Sky Obscured)

18
17
17
24
35
46
54
54
62
60
55
43
24
13
2
11
24
30
30
30
30
20
9
0

Medium Clouds (% Sky Obscured)

5
4
2
4
10
2
2
11
22
17
30
39
40
49
73
41
38
36
27
15
0
0
0
0

High Clouds (% Sky Obscured)

8
2
45
53
69
81
73
58
53
69
83
100
62
96
75
71
81
74
49
23
2
4
3
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
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
0
0
0
2
6
0
0
0
1
6
11
20
24
27
27
22
10
8
4
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)

6
5
4
5
6
7
10
11
12
13
13
14
14
13
16
14
11
12
11
11
9
10
8
7

Chance of Frost

Temperature (°C)

18
18
18
17
17
18
18
19
20
21
21
21
20
20
20
20
20
20
20
19
17
16
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
89
92
95
96
95
88
76
68
62
58
57
62
49
47
57
61
54
53
60
67
61
66
71

Pressure (mb)

1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022
1023
1023
1024

Ozone (du)

314
317
317
321
320
321
324
324
324
328
333
337
327
327
330
334
345
357
353
350
347
345
344
341

Monday 29

Waxing Gibbous 100%

21:40

03:40

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

Sun - Rise: 04:52, Set: 21:20, Transit: 13:06. Moon - Rise: 21:40, Set: 03:40. Civil Dark: 22:06 - 04:07. Nautical Dark: 23:15 - 02:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

35
23
9
29
38
45
48
60
67
55
31
30
26
20
17
30
47
65
74
83
92
94
96
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

1
5
1
2
24
37
48
60
67
52
18
18
17
15
13
11
10
14
21
29
34
53
72
92

High Clouds (% Sky Obscured)

35
23
9
29
38
45
48
53
54
10
11
11
8
4
0
25
47
65
74
80
80
85
92
100

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)

6
5
5
4
3
3
4
6
6
7
8
8
8
8
8
9
10
11
12
9
7
5
4
4

Chance of Frost

Temperature (°C)

13
12
12
11
12
13
14
15
17
18
19
21
22
22
22
23
22
21
20
18
17
16
15
14

Feels Like (°C)

11
10
10
12
11
12
13
13
15
16
17
20
20
21
21
20
21
21
21
17
17
17
15
14

Dew Point (°C)

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

Relative Humidity (%)

75
77
84
90
93
87
78
66
64
59
46
37
33
33
33
33
37
41
44
52
61
73
74
74

Pressure (mb)

1025
1025
1025
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1026
1026

Ozone (du)

339
340
339
338
337
337
342
343
347
357
361
360
358
354
350
347
346
345
344
345
347
348
349
351

Tuesday 30

Full Moon 100%

22:15

04:39

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 OK
23 OK
00 OK

Sun - Rise: 04:53, Set: 21:20, Transit: 13:06. Moon - Rise: 22:15, Set: 04:39. Civil Dark: 22:05 - 04:07. Nautical Dark: 23:14 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
84
77
81
85
89
89
87
85
86
87
87
84
84
84
84
87
90
81
72
62
46
38
31

Low Clouds (% Sky Obscured)

7
15
23
24
24
22
21
22
20
18
17
15
11
9
4
4
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

79
67
57
71
75
80
70
61
52
47
45
45
45
44
44
44
47
47
34
25
13
13
12
11

High Clouds (% Sky Obscured)

70
40
10
16
24
32
50
59
69
72
75
76
76
72
75
78
82
83
72
64
45
26
17
8

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
1
1
1
0
0
4
6
8
11
9
7
5
1
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)

3
3
3
2
2
2
2
3
5
6
8
9
12
11
11
11
11
11
10
8
6
4
4
5

Chance of Frost

Temperature (°C)

13
13
12
12
13
14
15
16
18
19
20
21
21
21
21
21
20
20
19
18
17
16
15
15

Feels Like (°C)

12
11
11
11
11
11
11
15
15
15
16
16
16
21
20
19
18
18
19
15
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

75
79
80
83
76
71
66
57
49
43
39
36
33
33
33
34
36
39
42
51
62
75
80
87

Pressure (mb)

1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

352
350
348
346
342
338
334
331
328
325
325
326
326
325
323
322
321
320
319
318
317
316
317
317

Wednesday 1

Waning Gibbous 99%

22:41

05:47

Sun - Rise: 04:54, Set: 21:19, Transit: 13:07. Moon - Rise: 22:41, Set: 05:47. Civil Dark: 22:05 - 04:08. Nautical Dark: 23:13 - 03:00. Astro Dark: N/A - N/A

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: 25/06/26 00:44:26. Forecast: 25/06/26 to 01/07/26. Timezone: UTC+1.00