Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waxing Gibbous 72%

16:37

00:18

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

Sun - Rise: 05:17, Set: 21:01, Transit: 13:09. Moon - Rise: 16:37, Set: 00:18. Civil Dark: 21:43 - 04:36. Nautical Dark: 22:40 - 03:39. Astro Dark: 00:08 - 02:15

Total Clouds (% Sky Obscured)

20
53
63
100
46
51
71
80
65
76
77
83
77
68
38
31
45
98
96
95
95
81
71
86

Low Clouds (% Sky Obscured)

19
11
0
0
0
11
10
15
17
18
28
28
28
0
0
0
0
0
0
5
7
7
3
0

Medium Clouds (% Sky Obscured)

0
0
1
2
2
7
8
11
12
14
16
22
17
14
9
3
0
6
12
15
20
18
16
20

High Clouds (% Sky Obscured)

20
53
63
100
37
23
40
67
16
27
34
48
57
49
23
24
45
98
96
85
76
81
34
61

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 (%)

7
2
95
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
2
2
3
3
4
6
7
9
8
10
11
11
11
9
8
6
5
4
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
92
92
80
69
56
49
45
44
52
53
51
47
44
46
49
56
72
82
83
85
86
87

Pressure (mb)

1024
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1022
1022
1022
1021
1021
1022
1022
1021
1021
1021

Ozone (du)

338
336
335
334
333
331
330
328
327
326
325
324
322
322
322
322
321
321
321
321
321
321
321
321

Friday 24

Waxing Gibbous 81%

17:46

00:50

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

Sun - Rise: 05:18, Set: 21:00, Transit: 13:09. Moon - Rise: 17:46, Set: 00:50. Civil Dark: 21:41 - 04:37. Nautical Dark: 22:38 - 03:41. Astro Dark: 00:04 - 02:19

Total Clouds (% Sky Obscured)

85
97
100
100
100
100
100
100
100
62
48
4
5
8
26
30
62
45
48
24
29
54
57
48

Low Clouds (% Sky Obscured)

0
0
0
0
0
12
15
17
15
0
0
0
0
0
3
0
3
0
2
2
2
8
6
6

Medium Clouds (% Sky Obscured)

18
12
10
12
14
13
10
5
1
1
0
0
2
4
11
17
21
26
26
14
13
25
24
22

High Clouds (% Sky Obscured)

85
97
100
100
99
100
100
100
100
55
39
2
1
0
2
3
62
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)

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

Chance of Frost

Temperature (°C)

16
16
15
15
17
19
21
22
23
25
26
27
28
28
27
26
25
23
21
20
18
17
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
85
72
58
50
43
38
36
33
32
30
31
35
37
38
46
62
68
59
64
61
61

Pressure (mb)

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

Ozone (du)

321
321
321
322
322
323
323
323
323
324
326
330
334
334
334
333
333
333
333
333
334
334
334
335

Saturday 25

Waxing Gibbous 88%

18:48

01:34

03 OK
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 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:20, Set: 20:58, Transit: 13:09. Moon - Rise: 18:48, Set: 01:34. Civil Dark: 21:39 - 04:39. Nautical Dark: 22:35 - 03:43. Astro Dark: 23:59 - 02:24

Total Clouds (% Sky Obscured)

45
57
55
74
91
56
50
49
62
87
93
98
44
95
55
79
96
30
29
81
82
87
83
78

Low Clouds (% Sky Obscured)

0
5
15
26
25
10
0
0
3
6
39
60
0
0
0
22
0
0
0
0
0
16
26
48

Medium Clouds (% Sky Obscured)

26
32
37
18
22
4
0
0
0
0
0
21
6
34
55
17
77
21
26
37
57
87
83
78

High Clouds (% Sky Obscured)

0
0
0
14
15
20
25
37
46
87
89
81
42
90
36
51
85
21
18
79
64
5
5
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
1
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
12
12
11
9
9
8
7
6
4
1
1
6
10
11
13
14
14
14
14
14
13
14

Relative Humidity (%)

66
73
77
77
65
53
46
38
34
29
23
18
18
26
35
40
47
55
64
73
79
79
81
82

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1008
1008

Ozone (du)

336
336
335
330
331
332
331
330
330
327
326
325
324
324
322
322
321
321
322
321
319
319
319
319

Sunday 26

Waxing Gibbous 93%

19:38

02:30

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 Bad
23 OK
00 Good
01 Good
02 OK

Sun - Rise: 05:21, Set: 20:57, Transit: 13:09. Moon - Rise: 19:38, Set: 02:30. Civil Dark: 21:38 - 04:40. Nautical Dark: 22:33 - 03:45. Astro Dark: 23:54 - 02:28

Total Clouds (% Sky Obscured)

64
77
82
87
90
93
97
88
77
65
65
68
74
75
76
81
66
72
32
53
33
5
9
19

Low Clouds (% Sky Obscured)

50
71
75
74
79
85
91
85
77
65
61
55
52
55
59
60
42
53
11
42
31
4
9
19

Medium Clouds (% Sky Obscured)

20
50
18
13
15
12
13
9
3
0
2
3
5
8
11
14
13
12
9
6
4
1
0
0

High Clouds (% Sky Obscured)

0
11
1
0
1
1
1
1
0
0
0
0
0
0
0
0
2
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
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

Precipitation Probability (%)

18
51
27
22
14
10
7
8
21
7
7
21
10
8
16
17
14
16
0
1
0
2
0
0

Precipitation Amount (mm)

0
0.3
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
9
9
11
10
12
12
13
13
14
14
14
12
11
11
10
10
7
7
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
89
90
92
88
86
81
78
70
68
58
60
52
54
51
58
57
51
62
55
60
71
73
76

Pressure (mb)

1008
1007
1007
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1011
1011
1012
1013
1014
1014
1015
1016

Ozone (du)

321
322
324
326
326
326
327
329
329
329
330
330
329
328
328
326
324
324
324
324
323
324
325
326

Monday 27

Waxing Gibbous 97%

20:17

No Set

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

Sun - Rise: 05:23, Set: 20:56, Transit: 13:09. Moon - Rise: 20:17, Set: No Set. Civil Dark: 21:36 - 04:42. Nautical Dark: 22:31 - 03:47. Astro Dark: 23:50 - 02:32

Total Clouds (% Sky Obscured)

17
3
3
3
6
10
12
12
12
9
14
21
25
33
37
39
19
13
6
6
5
4
4
4

Low Clouds (% Sky Obscured)

17
0
0
0
3
7
11
9
12
9
11
16
13
13
12
12
6
4
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
9
12
1
1
1
1
1
1
0
0

High Clouds (% Sky Obscured)

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

6
6
6
6
6
7
7
8
8
8
8
9
9
10
11
12
11
8
5
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
86
86
73
61
53
46
41
37
32
29
28
28
32
38
44
53
63
77
74
71
69
68

Pressure (mb)

1016
1017
1017
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022

Ozone (du)

325
326
326
326
327
326
325
325
325
324
323
323
324
324
324
325
325
324
324
324
325
325
326
326

Tuesday 28

Waxing Gibbous 100%

20:45

03:36

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 OK
23 OK
00 Good
01 Good
02 Good

Sun - Rise: 05:24, Set: 20:54, Transit: 13:09. Moon - Rise: 20:45, Set: 03:36. Civil Dark: 21:35 - 04:44. Nautical Dark: 22:29 - 03:49. Astro Dark: 23:46 - 02:36

Total Clouds (% Sky Obscured)

3
3
3
4
3
2
2
2
3
3
3
3
2
2
2
2
20
34
50
33
19
9
5
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)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
5
3
3
0
1
1

High Clouds (% Sky Obscured)

0
1
3
4
3
2
1
2
3
3
3
3
2
2
2
2
20
34
50
33
19
9
5
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)

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

Chance of Frost

Temperature (°C)

15
14
15
16
16
19
22
24
25
26
27
27
27
28
27
27
26
24
22
20
19
19
19
18

Feels Like (°C)

15
16
15
14
14
19
20
21
22
23
24
28
27
25
26
26
26
24
25
25
24
23
22
19

Dew Point (°C)

9
9
8
8
7
8
9
9
9
8
7
7
7
6
7
7
7
8
9
10
10
10
10
10

Relative Humidity (%)

69
70
65
58
55
48
42
38
34
31
28
27
26
25
27
28
30
36
44
53
55
56
58
59

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1018

Ozone (du)

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

Wednesday 29

Full Moon 100%

21:07

04:48

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

Sun - Rise: 05:25, Set: 20:53, Transit: 13:09. Moon - Rise: 21:07, Set: 04:48. Civil Dark: 21:33 - 04:45. Nautical Dark: 22:27 - 03:51. Astro Dark: 23:42 - 02:40

Total Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
1
1
2
2
2
6
8
11
15
18
21
18
12
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

Medium Clouds (% Sky Obscured)

1
1
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
1
1
1
1
6
8
11
15
18
21
18
12
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
18
19
19
22
24
27
28
29
31
31
31
31
30
29
29
26
24
22
21
20

Feels Like (°C)

19
19
18
18
17
22
22
22
22
22
23
33
33
33
33
33
33
25
25
24
24
23

Dew Point (°C)

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

Relative Humidity (%)

58
59
53
50
46
37
31
25
21
18
16
16
17
17
19
21
24
27
33
38
43
47

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1014
1015
1015
1015
1015
1015

Ozone (du)

317
317
319
320
322
321
321
320
320
319
319
319
319
320
322
323
325
328
330
333
335
338

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

Generated: 23/07/26 03:22:13. Forecast: 23/07/26 to 29/07/26. Timezone: UTC+1.00