Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 27

Waxing Gibbous 89%

18:34

03:07

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

Sun - Rise: 04:57, Set: 21:02, Transit: 13:00. Moon - Rise: 18:34, Set: 03:07. Civil Dark: 21:45 - 04:14. Nautical Dark: 22:46 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
5
0
3
32
74
100
14
35
39
37
100
1
59
62
25
100
99
90
100
85
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
1
0
0
13
10
4
1
19
15
13
3
1
15
3
25
38
82
84
94
70
40
58
80

High Clouds (% Sky Obscured)

0
5
0
3
32
74
67
14
3
29
37
100
1
33
34
6
100
99
86
59
72
99
100
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

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
9
0
2
4
7
2
4
7
7
2
1
1
3
1
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)

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

Chance of Frost

Temperature (°C)

23
21
18
18
17
17
16
16
16
16
16
16
19
20
22
23
24
26
27
27
27
26
26
26

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
77
81
83
81
83
86
89
90
92
95
93
88
82
76
75
73
71
69
69
63
59
60
63

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1021
1021
1021
1021
1021

Ozone (du)

336
334
334
334
333
334
335
335
335
336
336
336
334
333
334
334
334
333
331
330
327
327
327
326

Thursday 28

Waxing Gibbous 95%

No Rise

03:24

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 Good
02 Bad
03 Bad
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 Bad
18 Bad

Sun - Rise: 04:56, Set: 21:03, Transit: 13:00. Moon - Rise: No Rise, Set: 03:24. Civil Dark: 21:46 - 04:13. Nautical Dark: 22:48 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
98
99
100
77
34
0
100
99
100
88
68
29
49
92
83
100
100
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)

62
76
30
30
37
18
0
30
55
50
57
28
5
40
51
60
49
90
90
100
85
100
78
43

High Clouds (% Sky Obscured)

97
65
68
97
46
34
0
94
97
100
78
54
29
49
86
72
100
100
100
100
100
92
100
90

ISS Passover

Visibility (miles)

4
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

3
4
2
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
22
0
0
0
0
0
0
0
0
2
3
1
2
2
1
1
1
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
3
4
3
3
4
4
3
3
3
4
4
3
5
6
8
6
9
9
9
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

20
20
18
17
16
15
14
14
14
14
14
15
15
15
15
16
16
18
17
17
17
15
14
14

Relative Humidity (%)

72
77
79
81
80
78
82
86
87
87
86
92
81
70
65
62
60
61
58
56
54
50
49
53

Pressure (mb)

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

Ozone (du)

324
323
328
332
331
331
330
328
326
324
322
321
320
318
317
317
316
316
317
318
320
324
329
333

Friday 29

Waxing Gibbous 98%

19:47

03:46

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

Sun - Rise: 04:55, Set: 21:04, Transit: 13:00. Moon - Rise: 19:47, Set: 03:46. Civil Dark: 21:48 - 04:11. Nautical Dark: 22:50 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
50
32
38
54
57
57
40
20
20
14
9
45
41
64
76
50
62
83
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
16
21
15
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

32
25
13
8
12
15
16
16
9
0
2
0
0
8
11
64
76
50
62
83
70
66
77
70

High Clouds (% Sky Obscured)

90
0
1
1
1
15
15
15
15
15
15
14
9
36
5
2
1
12
41
70
99
99
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
4
3
0
2
1
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
3
3
3
3
2
2
2
3
5
7
8
9
9
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
22
21
19
17
16
13
12
12
11
11
12
16
18
20
22
22
22
21
21
22
21
21
20

Dew Point (°C)

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

Relative Humidity (%)

60
69
76
81
82
82
78
78
79
84
86
84
77
70
61
53
48
46
45
45
46
47
49
56

Pressure (mb)

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

Ozone (du)

335
335
332
331
332
334
334
335
336
336
337
337
338
339
339
339
338
337
338
338
339
345
349
355

Saturday 30

Waxing Gibbous 100%

20:57

04:15

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

Sun - Rise: 04:55, Set: 21:05, Transit: 13:00. Moon - Rise: 20:57, Set: 04:15. Civil Dark: 21:49 - 04:11. Nautical Dark: 22:52 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
29
34
6
8
9
21
71
100
100
100
100
100
100
100
83
62
65
65
69
64
45
50
47

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
15
45
71
74
67
67
45
49
48
41
44
50
41
35
24
10
14
15

Medium Clouds (% Sky Obscured)

41
4
5
6
8
9
8
6
4
2
1
50
60
78
100
81
62
41
36
33
34
34
36
35

High Clouds (% Sky Obscured)

67
29
0
0
0
0
21
65
100
100
100
100
99
100
90
57
28
0
0
0
0
4
8
12

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
2
1
1
1
0
2
6
13
14
12
6
12
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
12
12
12
11
10
10
11
11
11
12
11
12
11
10
9
9
11
12
12
13
14
15
14

Relative Humidity (%)

63
62
73
82
82
82
83
89
92
84
89
83
83
77
67
60
57
61
62
60
63
68
74
67

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

362
369
370
373
375
376
366
357
352
350
350
352
352
352
351
351
355
358
353
346
340
335
335
334

Sunday 31

Full Moon 99%

22:02

04:54

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

Sun - Rise: 04:54, Set: 21:06, Transit: 13:01. Moon - Rise: 22:02, Set: 04:54. Civil Dark: 21:50 - 04:10. Nautical Dark: 22:54 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

61
60
67
75
69
81
94
88
82
84
87
89
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

13
9
6
18
30
41
51
62
72
69
66
63
100
100
100
94
92
91
92
92
92
92
92
92

Medium Clouds (% Sky Obscured)

31
29
23
17
17
17
63
6
0
9
28
52
31
40
43
54
62
71
81
89
95
97
98
100

High Clouds (% Sky Obscured)

36
58
67
75
69
81
66
39
15
21
25
36
73
82
92
95
96
98
96
96
95
97
98
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

2
1
0
0
0
0
0
0
1
0
0
0
1
1
4
18
29
31
60
81
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.7
0.6
0.6

Wind Speed/Direction (mph)

11
10
8
7
6
5
5
6
8
8
10
11
12
14
15
16
16
16
16
17
17
18
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
14
14
14
13
13
12
12
13
13
12
13
13
13
13
13
14
14
15
15
15
15
15
15

Relative Humidity (%)

75
81
90
93
95
96
96
93
93
96
95
93
87
86
83
82
85
89
93
95
96
98
98
98

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1012
1012
1011
1010
1010

Ozone (du)

334
333
332
330
329
330
330
331
332
331
331
328
327
327
327
327
328
330
331
334
337
341
345
349

Monday 1

Waning Gibbous 97%

22:57

05:45

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

Sun - Rise: 04:53, Set: 21:07, Transit: 13:01. Moon - Rise: 22:57, Set: 05:45. Civil Dark: 21:51 - 04:09. Nautical Dark: 22:56 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
90
80
68
79
89
100
100
98
90
82
78
76
84
92
99
98
97
97
93
89
85

Low Clouds (% Sky Obscured)

95
97
99
90
80
68
65
57
51
48
49
47
52
59
66
67
68
70
71
72
75
75
76
75

Medium Clouds (% Sky Obscured)

96
96
97
90
80
68
69
57
47
39
36
28
39
42
26
36
48
63
73
81
89
77
65
54

High Clouds (% Sky Obscured)

77
50
10
12
10
12
38
69
100
100
98
90
82
78
75
36
22
7
7
10
11
15
21
26

ISS Passover

Visibility (miles)

9
7
5
3
3
3
3
5
7
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8

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

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

Precipitation Probability (%)

95
95
92
95
95
85
65
45
20
19
23
22
24
28
24
35
45
57
63
64
61
63
62
65

Precipitation Amount (mm)

0.7
0.9
0.4
0.7
0.7
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0
0.2
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
14
14
13
13
13
13
13
13
13
14
15
16
17
16
16
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
98
100
96
96
95
93
92
89
87
84
80
76
73
68
75
82
89
89
87

Pressure (mb)

1009
1009
1009
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1007
1006
1006
1006
1006
1006
1006
1005
1005

Ozone (du)

353
356
358
361
363
366
368
373
378
384
386
389
392
395
399
402
401
399
398
399
401
402
401
399

Tuesday 2

Waning Gibbous 93%

23:40

06:47

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

Sun - Rise: 04:52, Set: 21:08, Transit: 13:01. Moon - Rise: 23:40, Set: 06:47. Civil Dark: 21:53 - 04:08. Nautical Dark: 22:57 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
66
54
48
38
32
32
31
30
36
44
55
70
84
99
98
98
97

Low Clouds (% Sky Obscured)

71
66
54
48
38
32
32
31
30
36
44
48
51
51
48
56
67
77

Medium Clouds (% Sky Obscured)

42
31
20
12
9
4
4
2
0
0
0
0
16
31
51
62
69
70

High Clouds (% Sky Obscured)

39
45
54
39
21
8
7
5
2
4
5
7
10
16
25
23
38
50

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

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

Precipitation Probability (%)

91
95
95
95
95
89
67
46
10
3
2
1
3
7
10
22
32
39

Precipitation Amount (mm)

0.7
0.8
0.9
1
0.8
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
16
16
16
14
13
14
13
12
11
11
11
11
12
14
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
11
11
11
10
9
9
10
9
9
9
11
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

87
90
92
95
95
96
96
96
96
98
96
95
93
89
86
80
83
86

Pressure (mb)

1005
1004
1004
1003
1003
1003
1003
1004
1004
1005
1006
1007
1007
1007
1008
1008
1008
1008

Ozone (du)

398
393
388
382
378
373
369
365
362
359
357
354
351
349
347
345
345
345

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

Generated: 27/05/26 19:33:05. Forecast: 27/05/26 to 02/06/26. Timezone: UTC+1.00