Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

First Quarter 56%

15:34

22:48

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 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:00, Set: 20:13, Transit: 13:06. Moon - Rise: 15:34, Set: 22:48. Civil Dark: 20:49 - 05:25. Nautical Dark: 21:34 - 04:40. Astro Dark: 22:26 - 03:49

Total Clouds (% Sky Obscured)

87
78
74
69
49
55
50
58
53
46
71
37
46
44
12
15
18
26
49
63
63
67
69
64

Low Clouds (% Sky Obscured)

33
32
30
30
32
43
35
48
52
46
70
37
46
44
12
9
11
17
26
45
44
30
24
18

Medium Clouds (% Sky Obscured)

4
1
0
1
8
9
11
14
0
0
0
0
0
0
0
0
0
0
14
11
9
11
13
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
20
25
20
25

ISS Passover

Visibility (miles)

9
7
9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

59
95
95
19
30
35
37
43
32
22
27
18
5
15
16
5
3
3
10
22
26
23
11
4

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
77
63
52
45
45
48
49
50
45
48
48
45
54
62
80
93
93
93
95
95
96
96
96

Pressure (mb)

1005
1005
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1009
1009
1009
1010
1010
1010
1010
1011
1011

Ozone (du)

338
339
340
341
341
341
341
340
338
337
337
338
339
338
339
339
338
337
337
338
338
340
340
341

Friday 21

Waxing Gibbous 66%

16:39

23:28

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

Sun - Rise: 06:02, Set: 20:11, Transit: 13:06. Moon - Rise: 16:39, Set: 23:28. Civil Dark: 20:47 - 05:26. Nautical Dark: 21:31 - 04:42. Astro Dark: 22:23 - 03:51

Total Clouds (% Sky Obscured)

79
50
52
59
41
62
74
87
78
71
64
71
67
76
11
5
4
4
2
2
3
2
2
2

Low Clouds (% Sky Obscured)

39
30
36
36
34
43
55
61
62
53
30
30
45
42
3
4
3
3
2
2
2
2
2
1

Medium Clouds (% Sky Obscured)

10
12
17
17
12
19
16
16
9
10
13
18
17
26
7
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

28
1
0
58
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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 (%)

3
2
1
1
2
3
13
9
8
5
5
7
5
4
13
18
4
1
0
1
1
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
10
10
10
10
10
9
8
7
6
6
6
6
7
9
8
7
7
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

13
14
15
16
18
19
19
20
20
21
21
21
20
19
16
15
13
13
12
12
11
11
11
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
83
70
57
47
40
35
35
35
36
38
38
36
40
61
71
79
84
87
89
90
90
91
91

Pressure (mb)

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

Ozone (du)

342
343
345
347
348
349
351
352
353
355
356
357
359
360
363
363
364
364
365
365
364
364
364
364

Saturday 22

Waxing Gibbous 75%

17:33

00:19

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

Sun - Rise: 06:03, Set: 20:09, Transit: 13:05. Moon - Rise: 17:33, Set: 00:19. Civil Dark: 20:44 - 05:28. Nautical Dark: 21:29 - 04:44. Astro Dark: 22:20 - 03:54

Total Clouds (% Sky Obscured)

3
3
3
8
19
28
45
64
72
64
42
27
18
51
62
50
38
100
80
58
37
46
58
66

Low Clouds (% Sky Obscured)

1
2
2
8
19
26
44
53
42
34
10
7
5
23
38
2
5
2
2
1
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
9
18
16
9
2
3
8
8
6
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
5
4
0
1
4
3
8
3
2
15
26
25
100
79
52
28
45
58
66

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
1
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
6
8
8
8
8
8
7
4
7
8
7
7
6
4
3
3
2
2
3
3
3
3
4

Chance of Frost

Temperature (°C)

11
13
15
16
18
19
20
21
22
21
21
21
20
18
16
15
13
13
13
12
11
11
11
11

Feels Like (°C)

11
13
13
15
17
19
19
19
21
18
17
18
18
15
13
13
12
12
11
12
11
11
11
11

Dew Point (°C)

9
7
5
4
4
3
2
2
3
6
8
7
8
8
8
9
8
7
6
6
6
6
7
8

Relative Humidity (%)

87
70
52
43
38
33
30
28
29
35
42
41
46
52
59
68
71
69
64
65
71
73
77
81

Pressure (mb)

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

Ozone (du)

363
361
361
360
360
360
360
358
356
352
352
351
349
346
345
346
346
347
347
349
350
353
355
357

Sunday 23

Waxing Gibbous 83%

18:16

01:22

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

Sun - Rise: 06:05, Set: 20:07, Transit: 13:05. Moon - Rise: 18:16, Set: 01:22. Civil Dark: 20:42 - 05:30. Nautical Dark: 21:26 - 04:46. Astro Dark: 22:17 - 03:56

Total Clouds (% Sky Obscured)

63
60
52
50
52
53
53
46
37
23
11
0
17
30
45
44
46
45
52
55
55
53
49
49

Low Clouds (% Sky Obscured)

0
0
0
14
30
45
46
39
32
19
8
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
4
8
12
12
11
13
14
12
9

High Clouds (% Sky Obscured)

63
60
52
46
26
2
2
1
0
0
0
0
17
30
45
44
40
30
40
51
55
52
49
46

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 (%)

2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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
4
5
7
7
6
5
6
7
10
11
11
10
7
6
5
4
5
5
6
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
14
16
18
19
21
23
23
23
22
21
19
19
18
17
16
16
14
14
13
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

75
59
48
42
36
31
27
26
26
28
32
39
45
58
68
71
73
71
69
70
70
71
77
84

Pressure (mb)

1025
1025
1026
1025
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020

Ozone (du)

356
355
353
350
347
345
345
344
343
343
342
341
339
338
338
337
337
336
335
334
332
331
330
330

Monday 24

Waxing Gibbous 90%

18:48

02:33

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
05 Bad
06 Bad

Sun - Rise: 06:06, Set: 20:05, Transit: 13:05. Moon - Rise: 18:48, Set: 02:33. Civil Dark: 20:40 - 05:31. Nautical Dark: 21:24 - 04:48. Astro Dark: 22:13 - 03:59

Total Clouds (% Sky Obscured)

56
58
60
79
59
50
58
68
82
100
100
100
99
97
94
97
98
100
100
100
100
99
98
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
18
27
38
47
52
57
64
61
59
43
37
31

Medium Clouds (% Sky Obscured)

7
7
8
7
9
10
17
23
35
29
29
23
25
25
20
20
21
21
12
12
13
40
66
93

High Clouds (% Sky Obscured)

53
58
60
72
44
27
34
47
61
90
95
100
85
71
56
69
84
99
99
100
100
73
46
19

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
1
0
0
1
1
12
18
21
36
33
18
37
43
36
33
39
39
39
49
50

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
0.3
0.2

Wind Speed/Direction (mph)

7
10
13
16
16
17
18
18
18
17
16
16
15
14
14
14
13
13
12
12
12
12
11
11

Chance of Frost

Temperature (°C)

14
16
18
20
21
22
23
24
24
24
23
22
20
19
18
17
17
17
17
17
17
17
17
17

Feels Like (°C)

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

Dew Point (°C)

11
10
8
6
6
4
4
3
3
2
1
2
4
7
10
12
12
12
12
12
12
12
11
11

Relative Humidity (%)

83
67
51
40
36
31
27
26
24
23
23
26
35
45
59
75
75
75
75
73
73
71
69
68

Pressure (mb)

1020
1020
1019
1019
1018
1018
1017
1016
1015
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008

Ozone (du)

330
329
329
330
331
330
329
327
326
324
324
322
322
321
320
319
318
317
317
317
316
316
317
317

Tuesday 25

Waxing Gibbous 95%

19:12

03:47

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
05 Bad
06 Bad

Sun - Rise: 06:08, Set: 20:03, Transit: 13:05. Moon - Rise: 19:12, Set: 03:47. Civil Dark: 20:38 - 05:33. Nautical Dark: 21:21 - 04:50. Astro Dark: 22:10 - 04:01

Total Clouds (% Sky Obscured)

98
98
99
99
99
100
90
81
69
63
60
59
74
86
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
58
75
82
90
97
74
50
25
23
19
14
24
34
44
39
28
17
17
17
17
34
34
35

Medium Clouds (% Sky Obscured)

95
97
99
91
83
75
57
37
16
20
22
26
35
44
54
37
25
10
10
5
10
10
10
5

High Clouds (% Sky Obscured)

20
15
20
38
67
89
80
70
60
46
32
20
43
65
88
90
91
91
83
73
68
76
83
100

ISS Passover

Visibility (miles)

9
8
7
6
7
8
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

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

Precipitation Probability (%)

56
55
59
58
54
57
59
45
6
19
22
16
35
43
56
47
39
30
43
51
58
68
63
48

Precipitation Amount (mm)

0.3
0
0
0.3
0.2
0.3
0.4
0.2
0
0
0
0
0
0
0.3
0.2
0
0
0
0.2
0.3
0.4
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
18
19
19
19
18
19
21
22
22
21
21
20
19
18
18
18
18
18
18
18
17
17

Feels Like (°C)

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

Dew Point (°C)

11
10
10
9
11
12
13
12
12
12
12
11
11
13
15
17
17
17
17
17
17
17
17
17

Relative Humidity (%)

67
62
58
53
59
65
72
63
58
52
52
52
53
64
75
90
90
90
92
93
93
96
96
96

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

318
319
319
320
321
322
323
322
322
322
320
319
317
317
316
316
317
318
320
320
321
321
322
322

Wednesday 26

Waxing Gibbous 99%

19:30

05:03

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

Sun - Rise: 06:09, Set: 20:01, Transit: 13:04. Moon - Rise: 19:30, Set: 05:03. Civil Dark: 20:36 - 05:35. Nautical Dark: 21:19 - 04:52. Astro Dark: 22:07 - 04:04

Total Clouds (% Sky Obscured)

95
90
84
74
64
54
62
68
73
81
90
100
98
96
94
86
80
75

Low Clouds (% Sky Obscured)

29
14
0
11
21
32
28
25
20
15
9
3
7
16
22
38
56
66

Medium Clouds (% Sky Obscured)

6
12
23
29
36
46
55
65
70
75
76
76
81
86
93
86
80
75

High Clouds (% Sky Obscured)

79
57
36
26
21
13
32
45
58
73
86
100
97
96
94
86
80
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
2
1

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

42
33
18
15
10
4
11
10
0
3
3
3
55
79
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
2.2
4
6.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
19
19
20
21
22
22
22
22
22
21
20
19
18
17
16
16

Feels Like (°C)

18
17
17
17
18
19
19
22
21
20
20
21
21
18
19
19
18
18

Dew Point (°C)

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

Relative Humidity (%)

96
85
72
63
60
58
55
52
48
46
50
53
59
67
76
87
89
93

Pressure (mb)

1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1011
1010

Ozone (du)

322
322
323
323
323
324
324
324
323
322
321
320
320
318
317
315
317
319

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

Generated: 20/08/26 07:50:11. Forecast: 20/08/26 to 26/08/26. Timezone: UTC+1.00