Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Crescent 34%

00:45

16:03

02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
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

Sun - Rise: 05:00, Set: 21:15, Transit: 13:08. Moon - Rise: 00:45, Set: 16:03. Civil Dark: 22:00 - 04:16. Nautical Dark: 23:04 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
2
5
3
9
12
16
37
62
71
68
58
87
92
91
100
100
98
100
100
100
100
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
0
0

Medium Clouds (% Sky Obscured)

0
2
0
0
2
2
1
0
0
0
0
0
0
0
0
33
39
35
42
50
55
60
88
54

High Clouds (% Sky Obscured)

1
2
5
3
6
8
13
37
62
69
64
58
87
92
91
100
100
97
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
0
12
12
10
9
3
13
29
17
10
6

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)

4
3
2
2
2
2
3
4
5
7
8
10
11
11
11
10
9
8
7
4
3
2
3
3

Chance of Frost

Temperature (°C)

21
19
18
17
17
19
23
25
27
28
30
30
30
30
30
30
29
28
26
24
23
22
21
21

Feels Like (°C)

23
21
20
19
19
20
24
25
27
28
29
28
28
27
28
28
27
26
26
25
23
22
22
21

Dew Point (°C)

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

Relative Humidity (%)

68
67
65
66
62
48
40
35
32
30
29
28
29
30
31
31
33
36
46
60
65
66
65
64

Pressure (mb)

1019
1019
1018
1018
1018
1018
1019
1019
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

322
323
323
323
324
325
326
326
326
328
329
329
330
330
330
330
330
329
329
330
329
330
331
331

Friday 10

Waning Crescent 23%

01:16

17:32

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

Sun - Rise: 05:02, Set: 21:15, Transit: 13:08. Moon - Rise: 01:16, Set: 17:32. Civil Dark: 21:59 - 04:17. Nautical Dark: 23:03 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
28
15
5
71
73
51
45
29
31
28
32
8
10
4
3
4
3
1
1
0
0
4
2

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
0

Medium Clouds (% Sky Obscured)

24
10
10
3
7
26
9
15
15
15
3
2
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
26
2
4
67
53
39
30
12
17
28
29
7
10
3
3
2
3
1
1
0
0
2
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 (%)

2
2
1
1
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)

3
3
3
3
3
3
5
7
8
9
10
11
13
13
11
9
10
15
13
11
11
9
6
7

Chance of Frost

Temperature (°C)

21
21
20
20
20
21
24
26
28
29
30
31
32
32
32
32
32
30
28
25
23
21
20
19

Feels Like (°C)

21
21
20
20
19
21
24
26
28
29
30
30
30
30
30
30
30
27
27
24
21
21
21
20

Dew Point (°C)

14
14
14
13
12
11
12
12
11
10
10
10
11
12
11
11
10
11
12
12
12
13
14
16

Relative Humidity (%)

64
66
65
65
59
52
47
41
35
30
28
26
27
29
28
27
27
31
37
44
52
60
69
78

Pressure (mb)

1016
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1016
1016
1017
1017
1018
1018

Ozone (du)

333
333
334
335
335
333
332
331
331
331
330
329
330
331
332
334
332
331
330
330
331
331
332
333

Saturday 11

Waning Crescent 14%

02:02

18:58

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

Sun - Rise: 05:03, Set: 21:14, Transit: 13:08. Moon - Rise: 02:02, Set: 18:58. Civil Dark: 21:58 - 04:19. Nautical Dark: 23:02 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
2
0
0
13
6
2
2
3
0
1
2
0
2
3
18
31
76
95
96
98
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
3
0
0
0
0
0
0
0
0
0
0
0
0
7

Medium Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
8
4
1
0
0
0
1
2
0
1
2
18
31
76
90
93
97
98

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)

8
8
8
8
8
10
13
14
15
15
15
16
16
16
16
16
16
16
14
13
12
12
14
15

Chance of Frost

Temperature (°C)

19
19
18
18
18
20
22
24
26
27
29
29
30
30
30
30
29
27
25
22
20
19
18
17

Feels Like (°C)

19
19
19
19
19
20
21
23
24
25
26
26
27
27
27
26
26
24
22
20
18
16
14
14

Dew Point (°C)

16
15
16
16
16
14
13
12
11
9
9
8
7
7
7
8
9
10
10
13
13
13
11
12

Relative Humidity (%)

81
81
85
88
86
71
58
46
38
32
29
25
24
23
24
26
29
34
40
54
67
70
64
70

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021

Ozone (du)

332
331
332
333
333
331
330
330
332
333
333
332
332
331
329
327
325
325
324
324
323
322
321
320

Sunday 12

Waning Crescent 6%

02:02

20:11

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

Sun - Rise: 05:04, Set: 21:13, Transit: 13:08. Moon - Rise: 02:02, Set: 20:11. Civil Dark: 21:57 - 04:20. Nautical Dark: 23:00 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

66
86
91
84
76
65
55
45
45
45
45
40
31
3
10
9
16
7
14
11
14
36
37
58

Low Clouds (% Sky Obscured)

15
25
29
34
39
26
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
1
13
45
45
40
31
3
4
9
16
7
14
11
5
36
2
2

High Clouds (% Sky Obscured)

66
86
79
63
45
50
50
45
45
45
40
38
21
1
5
3
2
2
3
2
14
36
37
58

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
11
8

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

Chance of Frost

Temperature (°C)

17
16
15
16
16
17
20
22
24
26
27
29
29
29
29
28
27
25
24
22
20
19
18
17

Feels Like (°C)

14
14
14
13
14
14
16
18
20
21
23
24
24
24
23
22
20
19
18
16
15
14
12
12

Dew Point (°C)

12
13
14
14
15
14
14
14
14
13
13
13
12
12
11
10
9
9
9
9
8
7
6
7

Relative Humidity (%)

75
83
89
90
89
82
71
63
54
46
41
37
36
34
33
32
33
34
38
42
44
44
45
51

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

320
319
319
320
320
318
318
320
320
320
319
318
319
320
321
321
320
320
320
321
322
322
322
323

Monday 13

Waning Crescent 2%

03:08

21:05

02 Bad
03 Bad
04 Bad
05 Bad
06 OK
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

Sun - Rise: 05:05, Set: 21:12, Transit: 13:08. Moon - Rise: 03:08, Set: 21:05. Civil Dark: 21:56 - 04:21. Nautical Dark: 22:58 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
100
88
54
39
47
56
65
58
57
74
79
83
90
93
97
100
100
100
100
100
100
100
84

Low Clouds (% Sky Obscured)

0
0
5
10
14
7
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
3
2
2
2
18
32
37
36
29
28
30
33
35
25
19
24
22
23
23
37
52
61
61

High Clouds (% Sky Obscured)

79
100
87
36
21
29
44
57
56
56
74
79
83
90
93
97
100
100
100
100
100
100
100
68

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
6
8
10
14
19
23
28

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)

16
15
15
15
15
16
18
18
19
19
19
18
19
19
19
19
18
18
18
18
18
17
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
12
12
13
14
15
18
19
21
22
23
23
23
23
24
24
19
20
20
18
18
17

Dew Point (°C)

9
10
10
11
12
11
10
8
8
7
6
6
6
6
7
8
10
11
12
13
14
14
14
14

Relative Humidity (%)

58
65
69
74
75
69
59
48
40
33
29
26
26
27
27
31
36
42
50
56
65
67
69
71

Pressure (mb)

1021
1021
1020
1020
1021
1021
1020
1020
1020
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1015
1015

Ozone (du)

323
322
323
323
323
323
321
321
321
320
320
320
320
320
321
321
321
321
320
320
319
318
318
317

Tuesday 14

New Moon 0%

04:32

21:42

02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
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

Sun - Rise: 05:06, Set: 21:11, Transit: 13:09. Moon - Rise: 04:32, Set: 21:42. Civil Dark: 21:55 - 04:22. Nautical Dark: 22:57 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

66
51
39
27
20
42
49
56
48
40
33
42
52
67
81
90
95
88
81
74
65
83
100
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
5
6
7
7
7
4
2
0
1
1
1
1
1
1
16
30
45
44

Medium Clouds (% Sky Obscured)

60
51
39
27
20
42
49
55
37
19
2
9
16
24
34
40
50
48
41
42
55
70
85
80

High Clouds (% Sky Obscured)

36
4
22
27
20
42
49
55
42
29
18
34
52
67
81
90
95
88
81
55
60
81
100
91

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 (%)

27
16
16
11
6
6
4
0
1
2
2
4
4
4
7
7
4
14
17
11
17
19
19
16

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)

16
16
17
15
15
14
14
13
15
15
16
18
17
16
16
16
15
15
13
10
7
5
5
5

Chance of Frost

Temperature (°C)

19
19
19
19
19
20
22
23
25
26
26
27
27
28
28
27
26
25
23
21
19
18
17
16

Feels Like (°C)

15
15
16
15
15
15
17
18
18
18
18
19
24
23
22
22
23
23
19
19
18
18
17
16

Dew Point (°C)

15
15
15
15
15
15
14
13
12
10
9
8
7
6
6
6
7
8
9
10
11
12
12
13

Relative Humidity (%)

73
76
78
76
75
72
61
51
44
38
33
29
27
25
24
27
30
34
40
47
56
64
72
82

Pressure (mb)

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

Ozone (du)

318
318
319
320
320
321
321
322
322
323
324
324
325
325
325
325
325
326
325
325
325
326
327
328

Wednesday 15

Waxing Crescent 2%

06:04

22:08

Sun - Rise: 05:07, Set: 21:10, Transit: 13:09. Moon - Rise: 06:04, Set: 22:08. Civil Dark: 21:53 - 04:24. Nautical Dark: 22:55 - 03:22. 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: 09/07/26 02:47:25. Forecast: 09/07/26 to 15/07/26. Timezone: UTC+1.00