Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 2

Waning Gibbous 96%

23:00

07:00

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

Sun - Rise: 04:54, Set: 21:19, Transit: 13:07. Moon - Rise: 23:00, Set: 07:00. Civil Dark: 22:05 - 04:09. Nautical Dark: 23:12 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

9
16
21
99
100
99
98
85
78
21
24
18
1
7
3
42
9
2
0
0
1
16
33
20

Low Clouds (% Sky Obscured)

9
16
21
96
100
99
93
71
69
21
24
18
0
7
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
21
27
36
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
1
0
0
0
3
1
1
3
42
9
2
0
0
1
16
33
20

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
8
4
11
11
10
19
2
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)

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

Chance of Frost

Temperature (°C)

16
16
16
16
17
17
18
19
21
22
23
24
25
25
25
25
25
24
23
21
19
17
16
15

Feels Like (°C)

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

Dew Point (°C)

13
14
15
14
15
16
16
17
15
10
7
6
6
6
5
5
5
6
8
8
9
10
10
10

Relative Humidity (%)

85
87
92
89
89
89
86
84
67
45
36
31
29
28
27
27
28
31
38
44
53
60
67
73

Pressure (mb)

1023
1023
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1025
1026
1027
1027
1028

Ozone (du)

320
318
313
311
311
310
310
311
311
310
311
312
313
315
318
319
321
325
328
329
328
329
330
329

Friday 3

Waning Gibbous 91%

23:16

08:15

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

Sun - Rise: 04:55, Set: 21:19, Transit: 13:07. Moon - Rise: 23:16, Set: 08:15. Civil Dark: 22:04 - 04:10. Nautical Dark: 23:12 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

29
100
100
100
100
100
100
100
75
91
31
32
53
45
52
50
39
6
2
2
2
0
0
0

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
9
0
16
6
4
9
24
5
4
2
2
2
1
0
0
0
0
0

High Clouds (% Sky Obscured)

29
100
100
100
100
100
100
100
70
90
26
22
34
45
52
50
33
3
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
3
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
7
6
5
4
4
4
4
5
5
6
8
8
9
10
11
12
13
11
7
7
7
6
6

Chance of Frost

Temperature (°C)

14
13
13
12
12
14
17
19
20
22
23
24
24
24
24
24
23
22
21
19
18
17
16
15

Feels Like (°C)

12
12
10
10
10
13
16
17
18
20
21
21
21
22
21
21
20
20
19
19
17
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

78
79
80
83
76
66
59
52
45
39
35
32
30
28
29
31
32
36
43
56
54
60
73
82

Pressure (mb)

1028
1028
1028
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1028
1028
1028
1029
1029
1029
1029

Ozone (du)

328
327
327
327
326
325
325
325
325
325
326
326
326
327
328
328
327
329
331
331
331
330
330
330

Saturday 4

Waning Gibbous 85%

23:29

09:29

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

Sun - Rise: 04:56, Set: 21:18, Transit: 13:07. Moon - Rise: 23:29, Set: 09:29. Civil Dark: 22:03 - 04:11. Nautical Dark: 23:11 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
28
42
31
27
25
43
20
11
5
4
1
3
8
0
3
4
8
24
36
47
71

Low Clouds (% Sky Obscured)

0
0
0
28
42
31
27
25
43
20
11
5
4
1
2
4
0
0
0
0
0
0
0
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
4
7
4
2
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
1
0
2
24
36
47
67

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
4
5
6
8
10
11
12
13
14
15
15
16
17
16
15
13
12
10
8
7

Chance of Frost

Temperature (°C)

15
14
13
13
13
15
17
19
21
23
24
25
26
26
26
26
25
24
22
20
18
18
17
16

Feels Like (°C)

15
15
13
13
14
16
18
20
21
22
24
24
25
24
24
24
21
21
20
18
17
17
17
15

Dew Point (°C)

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

Relative Humidity (%)

84
84
84
84
79
64
56
54
50
45
41
38
36
35
35
33
34
39
48
58
66
76
85
92

Pressure (mb)

1028
1028
1028
1028
1028
1029
1029
1029
1028
1028
1028
1028
1027
1027
1027
1026
1026
1025
1026
1026
1026
1026
1026
1026

Ozone (du)

330
332
331
331
331
329
326
325
326
327
328
328
327
327
328
327
329
330
327
327
330
331
332
329

Sunday 5

Waning Gibbous 77%

23:41

10:43

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

Sun - Rise: 04:57, Set: 21:18, Transit: 13:07. Moon - Rise: 23:41, Set: 10:43. Civil Dark: 22:03 - 04:12. Nautical Dark: 23:09 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

69
29
25
40
74
61
50
58
64
66
61
55
33
22
31
55
75
63
56
43
30
55
64
76

Low Clouds (% Sky Obscured)

9
15
21
29
37
34
29
28
26
24
19
13
11
2
1
3
0
0
0
0
0
0
0
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
2
2
1
2

High Clouds (% Sky Obscured)

57
13
4
14
45
37
28
40
48
47
40
42
23
20
31
54
72
63
56
43
24
55
64
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
3
4
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
1
1
0
0
1
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
4
5
7
8
8
8
9
10
11
12
12
13
14
14
12
10
7
6
5
5

Chance of Frost

Temperature (°C)

15
15
14
15
16
16
18
20
22
23
25
26
26
27
27
26
25
24
22
21
19
18
17
16

Feels Like (°C)

14
16
14
16
17
17
17
18
19
22
22
23
24
25
26
23
22
21
20
19
19
18
17
15

Dew Point (°C)

15
14
14
14
15
14
11
9
8
7
7
8
8
8
9
8
8
9
11
12
14
15
15
14

Relative Humidity (%)

95
95
96
95
95
83
63
47
39
34
32
31
31
31
31
31
34
39
47
56
70
81
89
87

Pressure (mb)

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

Ozone (du)

329
327
326
325
324
324
324
324
323
322
321
321
323
323
323
323
323
324
324
325
327
325
324
324

Monday 6

Waning Gibbous 67%

23:53

11:58

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 OK
20 OK
21 OK
22 OK
23 OK
00 Bad
01 Bad

Sun - Rise: 04:58, Set: 21:17, Transit: 13:07. Moon - Rise: 23:53, Set: 11:58. Civil Dark: 22:02 - 04:13. Nautical Dark: 23:08 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
100
98
97
96
97
98
99
100
94
98
99
99
100
85
67
45
37
28
18
26
42
60
68

Low Clouds (% Sky Obscured)

6
8
16
23
28
20
18
16
12
6
2
1
1
0
0
0
0
0
0
0
0
0
0
3

Medium Clouds (% Sky Obscured)

0
0
34
65
46
32
58
70
22
14
41
40
39
38
46
62
45
37
25
3
3
2
2
1

High Clouds (% Sky Obscured)

88
100
95
91
83
88
93
98
99
93
89
93
97
99
76
53
30
24
15
9
23
42
60
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
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)

5
5
4
5
6
6
7
8
9
10
11
13
13
14
15
15
14
14
12
10
8
7
6
6

Chance of Frost

Temperature (°C)

15
15
14
15
16
16
18
20
22
23
25
26
27
27
27
27
26
25
24
22
21
20
19
18

Feels Like (°C)

15
14
14
14
15
16
17
19
20
21
21
22
23
23
23
24
24
24
21
22
22
22
21
21

Dew Point (°C)

14
13
13
13
12
11
11
10
8
7
6
5
5
5
5
6
6
7
8
10
12
12
13
14

Relative Humidity (%)

89
89
89
87
80
71
62
53
42
35
29
26
25
25
24
25
27
30
37
46
57
62
70
78

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1019
1020
1020
1020
1020
1020
1021

Ozone (du)

324
323
323
323
324
324
323
323
324
323
321
321
320
320
320
321
322
323
321
319
317
316
316
315

Tuesday 7

Third Quarter 56%

00:07

13:16

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

Sun - Rise: 04:59, Set: 21:17, Transit: 13:08. Moon - Rise: 00:07, Set: 13:16. Civil Dark: 22:01 - 04:14. Nautical Dark: 23:07 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
85
88
92
95
86
82
78
72
67
61
52
38
22
17
13
14
11
8
5
8
4
0
1

Low Clouds (% Sky Obscured)

8
11
12
12
11
12
14
14
14
14
14
10
9
4
4
1
0
1
4
5
5
3
0
0

Medium Clouds (% Sky Obscured)

1
1
5
9
11
8
4
0
1
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

76
82
79
82
88
76
69
61
52
43
38
30
22
5
5
5
7
6
3
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 (%)

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

5
5
4
4
5
5
7
8
9
9
9
9
9
9
9
9
8
7
4
2
3
2
2
3

Chance of Frost

Temperature (°C)

17
17
16
17
17
18
20
22
24
25
26
27
28
28
29
28
27
27
25
23
20
19
18
17

Feels Like (°C)

15
16
16
15
14
14
19
19
18
19
20
21
27
26
26
26
26
26
25
26
26
25
25
24

Dew Point (°C)

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

Relative Humidity (%)

79
81
82
76
70
65
49
37
27
26
24
23
23
22
22
23
24
26
31
37
45
54
64
77

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1021

Ozone (du)

314
314
313
313
313
312
312
311
311
311
310
310
310
310
310
310
309
309
310
310
311
313
314
316

Wednesday 8

Waning Crescent 45%

00:23

14:37

Sun - Rise: 05:00, Set: 21:16, Transit: 13:08. Moon - Rise: 00:23, Set: 14:37. Civil Dark: 22:01 - 04:15. Nautical Dark: 23:06 - 03:10. 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: 02/07/26 02:22:37. Forecast: 02/07/26 to 08/07/26. Timezone: UTC+1.00