Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 20

Waxing Crescent 31%

09:35

01:20

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

Sun - Rise: 05:04, Set: 20:53, Transit: 12:59. Moon - Rise: 09:35, Set: 01:20. Civil Dark: 21:34 - 04:23. Nautical Dark: 22:32 - 03:24. Astro Dark: 00:04 - 01:48

Total Clouds (% Sky Obscured)

21
22
18
0
57
55
89
93
100
62
75
90
100
92
68
61
100
100
100
22
31
80
57
24

Low Clouds (% Sky Obscured)

0
0
0
0
17
41
46
48
44
48
34
43
59
80
44
47
5
0
9
8
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
2
0
14
5
25
33
37
18
1
5
0
0
11
7
0
7
0
0

High Clouds (% Sky Obscured)

5
1
3
0
28
39
86
91
98
62
46
61
100
80
68
58
100
100
100
22
31
80
41
24

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
1

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
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)

14
11
8
6
6
6
5
5
5
5
5
5
5
8
10
10
10
10
10
10
9
9
8
7

Chance of Frost

Temperature (°C)

16
15
13
12
12
11
11
11
11
11
12
12
13
14
15
16
17
18
19
19
20
20
19
19

Feels Like (°C)

14
14
12
12
12
12
11
10
10
10
10
11
12
12
13
14
15
16
17
17
18
18
18
19

Dew Point (°C)

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

Relative Humidity (%)

85
89
93
95
95
95
95
96
96
96
96
95
92
87
83
75
72
71
69
68
68
69
70
71

Pressure (mb)

1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026

Ozone (du)

343
342
339
338
338
339
339
339
338
337
336
334
334
334
335
335
335
334
332
331
332
332
331
330

Thursday 21

Waxing Crescent 42%

11:01

01:45

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

Sun - Rise: 05:03, Set: 20:54, Transit: 12:59. Moon - Rise: 11:01, Set: 01:45. Civil Dark: 21:36 - 04:21. Nautical Dark: 22:34 - 03:22. Astro Dark: 00:10 - 01:42

Total Clouds (% Sky Obscured)

11
79
92
22
8
0
0
0
0
21
0
0
8
3
1
4
4
0
0
0
24
83
25
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
6
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
41
14
45

High Clouds (% Sky Obscured)

11
60
69
22
8
0
0
0
0
21
0
0
8
3
1
4
4
0
0
0
1
52
8
91

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
7
7
7
7
7
7
7

Fog (%)

2
88
2
34
53
38
26
21
8
3
0
1
2
1
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
4
3
4
3
4
3
4
4
4
4
4
4
6
9
10
11
11
11
11
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
17
16
14
12
12
13
14
13
13
12
13
16
18
19
19
20
20
22
22
22
22
22
23

Dew Point (°C)

14
15
14
12
12
11
11
11
11
11
11
11
13
15
15
15
15
16
16
16
16
16
16
16

Relative Humidity (%)

77
86
89
89
89
89
89
89
90
92
93
93
90
83
78
74
71
70
69
68
67
67
68
72

Pressure (mb)

1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025

Ozone (du)

330
330
331
332
334
336
340
341
339
339
342
343
341
341
341
340
340
340
341
341
340
340
339
339

Friday 22

Waxing Crescent 39%

12:23

02:03

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

Sun - Rise: 05:02, Set: 20:55, Transit: 12:59. Moon - Rise: 12:23, Set: 02:03. Civil Dark: 21:37 - 04:20. Nautical Dark: 22:36 - 03:20. Astro Dark: 00:16 - 01:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
95
98
94
99
100
71
81
87
95
43
37
34
29
21
17
18
24
39

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
14
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

18
25
20
22
27
17
18
21
20
20
20
24
14
20
62
27
12
12
10
8
7
5
4
4

High Clouds (% Sky Obscured)

90
90
86
81
95
87
84
95
85
99
100
28
49
70
80
14
0
0
0
0
3
10
22
31

ISS Passover

Visibility (miles)

7
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
7
7
7
7
7

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
2
23
7
5
0
0
0
0
0
0
0
1
1
2
2
2
2

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
4
3
2
2
3
3
2
1
4
4
3
3
3
4
3
4
5
7
7
7
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
85
88
86
86
86
86
86
86
89
90
90
86
82
77
70
68
67
67
67
67
67
69
71

Pressure (mb)

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

Ozone (du)

338
338
337
338
337
335
337
338
336
334
337
342
347
348
343
340
338
336
334
334
333
333
331
330

Saturday 23

First Quarter 53%

13:41

02:17

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

Sun - Rise: 05:01, Set: 20:57, Transit: 12:59. Moon - Rise: 13:41, Set: 02:17. Civil Dark: 21:39 - 04:18. Nautical Dark: 22:38 - 03:19. Astro Dark: 00:23 - 01:27

Total Clouds (% Sky Obscured)

22
12
6
7
8
8
11
39
46
41
51
44
52
43
41
37
19
13
9
8
5
4
2
5

Low Clouds (% Sky Obscured)

1
2
3
2
2
2
2
2
2
2
2
2
2
2
2
4
6
8
5
3
1
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

19
8
0
0
1
2
6
12
19
22
24
25
33
37
41
30
14
1
2
2
2
2
1
2

ISS Passover

Visibility (miles)

7
7
7
7
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 (%)

8
20
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
25
23
22
21
21
20
19
18
17
17
17
18
20
21
24
26
27
28
28
28
28
27
27

Dew Point (°C)

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

Relative Humidity (%)

79
87
88
90
89
92
93
92
92
92
95
95
90
88
80
75
72
68
63
60
58
60
64
70

Pressure (mb)

1028
1028
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030

Ozone (du)

330
329
327
327
325
326
326
325
322
321
321
321
321
321
323
322
321
319
319
318
319
319
319
319

Sunday 24

Waxing Gibbous 64%

14:55

02:30

19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
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

Sun - Rise: 05:00, Set: 20:58, Transit: 13:00. Moon - Rise: 14:55, Set: 02:30. Civil Dark: 21:41 - 04:17. Nautical Dark: 22:40 - 03:17. Astro Dark: 00:32 - 01:15

Total Clouds (% Sky Obscured)

4
4
3
4
7
16
16
9
5
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
3
4
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium 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

High Clouds (% Sky Obscured)

1
1
1
1
2
7
6
2
1
1
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
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
5
5
4
4
3
4
4
3
3
3
3
3
4
6
8
9
10
11
10
10
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
23
20
19
17
16
15
14
13
13
13
14
16
18
18
19
20
21
22
28
27
26
26
26

Dew Point (°C)

20
18
16
14
13
11
9
8
7
6
5
7
9
12
14
15
15
15
15
15
14
14
15
16

Relative Humidity (%)

76
79
82
81
77
72
68
64
61
60
58
62
65
64
64
63
58
52
48
48
47
47
53
59

Pressure (mb)

1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1028

Ozone (du)

320
321
323
326
328
328
327
328
328
327
326
324
323
322
320
318
318
317
317
316
316
315
315
316

Monday 25

Waxing Gibbous 74%

16:08

02:41

19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
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

Sun - Rise: 04:59, Set: 20:59, Transit: 13:00. Moon - Rise: 16:08, Set: 02:41. Civil Dark: 21:42 - 04:16. Nautical Dark: 22:42 - 03:15. Astro Dark: 00:45 - N/A

Total Clouds (% Sky Obscured)

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

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

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)

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

Chance of Frost

Temperature (°C)

23
20
18
15
14
14
13
13
12
11
12
14
16
18
19
22
23
24
26
26
28
28
27
26

Feels Like (°C)

26
21
21
20
20
18
17
13
12
12
12
13
13
17
17
18
19
20
21
28
29
28
28
28

Dew Point (°C)

16
14
13
10
9
7
5
4
3
2
4
7
9
10
11
12
12
13
13
14
14
14
16
17

Relative Humidity (%)

66
68
71
73
68
62
59
57
54
51
56
59
63
60
56
54
51
49
46
45
44
42
50
59

Pressure (mb)

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

Ozone (du)

316
317
317
318
319
320
321
322
323
325
326
326
327
326
324
323
323
322
322
323
324
325
325
326

Tuesday 26

Waxing Gibbous 82%

17:21

02:53

19 Good
20 OK
21 OK
22 OK
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK
09 OK
10 OK
11 Good
12 Good

Sun - Rise: 04:58, Set: 21:00, Transit: 13:00. Moon - Rise: 17:21, Set: 02:53. Civil Dark: 21:43 - 04:15. Nautical Dark: 22:44 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

14
25
33
22
10
0
0
0
0
0
0
0
10
20
30
20
11
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

14
25
33
22
10
0
0
0
0
0
0
0
2
5
9
6
5
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
4
4
4
4
4
4
4
5
5
5
5
6
8
10
10
9

Chance of Frost

Temperature (°C)

25
22
20
17
16
14
13
13
12
12
13
14
15
17
19
21
22
24

Feels Like (°C)

28
25
25
24
23
22
20
14
14
13
13
13
13
17
18
17
18
19

Dew Point (°C)

19
17
16
14
13
11
9
8
8
8
8
9
10
11
13
13
14
15

Relative Humidity (%)

69
74
77
83
81
79
76
75
76
76
74
74
73
68
65
61
60
58

Pressure (mb)

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

Ozone (du)

327
327
328
328
328
328
327
327
327
327
327
327
327
327
327
327
327
328

Forecast for Chichester, West Sussex, United Kingdom (50.84,-0.77)

Generated: 20/05/26 19:07:58. Forecast: 20/05/26 to 26/05/26. Timezone: UTC+1.00