Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

03:43

No Set

17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 Bad
23 OK
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

Sun - Rise: 05:14, Set: 20:43, Transit: 12:59. Moon - Rise: 03:43, Set: No Set. Civil Dark: 21:23 - 04:33. Nautical Dark: 22:17 - 03:39. Astro Dark: 23:32 - 02:22

Total Clouds (% Sky Obscured)

71
61
51
0
27
51
37
6
34
40
61
81
89
92
92
90
75
82
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

30
31
45
0
27
51
37
6
34
40
61
75
52
56
65
59
58
72
81
79
75
63
58
62

Medium Clouds (% Sky Obscured)

9
5
31
0
4
3
3
1
0
0
6
15
32
86
63
76
64
76
100
100
100
100
100
100

High 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

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
6
6
9
9
9
9
9
6
8
5
4
3

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

86
69
85
14
7
5
1
1
0
0
0
2
8
5
7
16
30
62
78
75
76
84
87
93

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.5
0.6
0.7
0.7
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
72
75
74
76
78
84
88
93
93
93
93
94
96
87
78
67
59
55
53
55
57
62
68

Pressure (mb)

1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1003
1003
1003
1003
1002
1002
1002
1002
1002
1001
1001

Ozone (du)

432
428
421
419
421
421
421
423
425
427
427
426
427
429
432
430
426
426
427
427
427
426
425
426

Thursday 14

Waning Crescent 3%

04:00

18:01

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

Sun - Rise: 05:12, Set: 20:44, Transit: 12:59. Moon - Rise: 04:00, Set: 18:01. Civil Dark: 21:24 - 04:32. Nautical Dark: 22:19 - 03:37. Astro Dark: 23:36 - 02:18

Total Clouds (% Sky Obscured)

50
100
97
14
1
0
0
0
8
29
11
42
37
53
80
86
79
94
82
83
100
100
93
84

Low Clouds (% Sky Obscured)

39
53
46
0
0
0
0
0
0
20
0
0
0
16
24
25
0
75
27
59
60
71
66
72

Medium Clouds (% Sky Obscured)

50
100
97
14
1
0
0
0
8
29
11
42
37
53
74
82
79
78
82
78
100
100
80
43

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
8
29
11
17
29
4
17
20
20
25
25
25
25
11
1
1

ISS Passover

Visibility (miles)

2
3
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

95
90
77
26
5
3
4
5
3
3
2
1
1
0
0
0
0
4
14
33
42
46
46
43

Precipitation Amount (mm)

0.9
0.7
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
73
80
82
87
88
91
93
93
94
94
94
94
93
91
87
82
77
67
71
77
80
68
62

Pressure (mb)

1001
1001
1001
1002
1002
1003
1003
1004
1004
1005
1005
1005
1006
1006
1007
1008
1008
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

427
427
427
426
426
429
428
426
421
417
416
416
415
414
414
414
414
414
411
408
407
407
408
410

Friday 15

Waning Crescent 0%

04:22

19:32

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

Sun - Rise: 05:11, Set: 20:46, Transit: 12:59. Moon - Rise: 04:22, Set: 19:32. Civil Dark: 21:26 - 04:30. Nautical Dark: 22:21 - 03:35. Astro Dark: 23:40 - 02:13

Total Clouds (% Sky Obscured)

77
87
74
74
71
34
32
42
11
5
12
3
11
82
83
88
75
79
80
89
96
95
99
99

Low Clouds (% Sky Obscured)

50
63
0
0
0
0
0
0
0
0
0
0
0
0
0
30
10
79
80
87
89
91
89
83

Medium Clouds (% Sky Obscured)

38
36
52
74
71
34
32
30
11
1
0
0
3
24
16
22
16
21
16
20
23
22
91
60

High Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
36
62
50

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

40
36
24
9
34
37
28
8
5
5
21
7
6
4
5
1
2
2
3
18
17
24
28
29

Precipitation Amount (mm)

0
0
0
0
0
0.2
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
4
3
2
2
3
4
4
4
4
4
7
7
8
9
9
10
11
12

Chance of Frost

Temperature (°C)

12
12
12
10
9
8
7
6
5
4
4
3
3
2
4
8
9
11
12
13
13
13
13
13

Feels Like (°C)

11
11
11
9
7
5
5
5
5
4
1
1
1
-0
2
6
8
9
10
11
10
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

60
64
68
81
82
84
85
87
86
88
88
89
91
89
83
77
69
57
51
48
47
47
54
63

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1010
1010
1010
1010

Ozone (du)

411
412
413
415
418
424
431
433
433
431
428
419
411
407
405
404
403
401
400
398
397
397
397
395

Saturday 16

New Moon 1%

04:54

21:06

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:10, Set: 20:47, Transit: 12:59. Moon - Rise: 04:54, Set: 21:06. Civil Dark: 21:28 - 04:29. Nautical Dark: 22:23 - 03:32. Astro Dark: 23:45 - 02:09

Total Clouds (% Sky Obscured)

98
99
96
91
96
97
96
95
93
92
90
93
96
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
64
64
64
65
69
74
81
76
72
70
65
52
65
62
38
43
64
62
59
50
36
47
36

Medium Clouds (% Sky Obscured)

73
95
85
80
87
83
77
74
72
67
78
84
87
89
91
95
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

34
13
37
65
94
62
30
0
4
8
12
46
67
90
93
97
100
100
100
100
78
53
29
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
2
6
4
8
9
8
9
9
8
8
7
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

34
32
35
39
41
46
44
39
44
63
67
61
58
49
41
35
21
25
32
37
39
41
27
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
7
7
7
7
7
8
8
8
8
8
9
9
9
8
9
9
9
9
9
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

63
66
68
71
80
82
88
90
93
95
96
98
98
96
95
91
89
81
77
72
75
77
77
73

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

393
394
396
395
396
395
395
400
403
405
400
400
400
399
399
403
405
409
413
416
417
420
423
426

Sunday 17

Waxing Crescent 5%

05:40

22:35

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:08, Set: 20:48, Transit: 12:59. Moon - Rise: 05:40, Set: 22:35. Civil Dark: 21:29 - 04:27. Nautical Dark: 22:26 - 03:30. Astro Dark: 23:49 - 02:04

Total Clouds (% Sky Obscured)

85
70
73
85
83
85
99
100
100
100
100
100
100
100
97
94
93
92
92
92
92
92
93
79

Low Clouds (% Sky Obscured)

46
52
51
49
45
49
53
56
60
63
66
77
89
100
0
0
0
27
48
65
45
27
8
7

Medium Clouds (% Sky Obscured)

78
70
70
84
76
74
99
86
100
97
84
100
100
92
43
68
83
82
78
72
60
49
42
54

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
41
70
100
68
40
12
89
82
73
71
67
65
68
72
77
61

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
6
7
4
1
3
6
6
6
6
7
8
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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

34
22
26
26
19
33
37
48
65
75
95
95
95
95
81
78
77
71
62
50
50
44
34
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.4
1
2.9
2.5
0.8
0.3
0.3
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
77
84
87
91
91
95
93
95
96
95
96
95
93
90
87
84
81
79
78
76
73
70
67

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1014
1014
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

430
435
437
435
433
432
432
433
432
433
433
432
429
434
439
431
423
415
411
407
403
398
394
389

Monday 18

Waxing Crescent 12%

06:46

23:49

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:07, Set: 20:50, Transit: 12:59. Moon - Rise: 06:46, Set: 23:49. Civil Dark: 21:31 - 04:25. Nautical Dark: 22:28 - 03:28. Astro Dark: 23:54 - 01:59

Total Clouds (% Sky Obscured)

70
58
72
86
100
100
100
100
100
100
100
99
98
96
89
77
59
72
86
98
93
88
84
85

Low Clouds (% Sky Obscured)

5
4
12
18
21
30
43
56
61
66
75
60
52
48
39
26
13
21
30
39
52
67
77
74

Medium Clouds (% Sky Obscured)

63
58
72
86
98
99
99
99
91
85
80
71
67
56
56
50
25
24
25
27
24
19
13
19

High Clouds (% Sky Obscured)

49
41
58
74
97
96
97
97
100
100
100
72
45
17
44
67
59
51
51
45
24
20
10
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
5
4
6
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
22
24
28
32
33
36
39
51
64
77
77
72
67
47
33
14
21
26
32
37
36
35
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.5
0.5
0.4
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
12
10
8
7
6
7
7
8
8
8
7
7
8
9
12
14
14
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
8
8
8
8
7
7
7
8
8
7
7
7
10
10
11
11
11
12
12
11
11

Dew Point (°C)

9
9
9
9
9
9
9
10
10
10
10
11
11
12
12
12
12
11
11
11
12
11
10
10

Relative Humidity (%)

71
75
79
83
87
90
91
95
95
96
98
100
98
98
96
90
83
78
76
78
79
74
70
67

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1016

Ozone (du)

388
386
385
385
386
386
386
385
385
385
384
384
385
385
386
386
386
386
384
382
380
381
382
383

Tuesday 19

Waxing Crescent 21%

08:07

00:44

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:06, Set: 20:51, Transit: 12:59. Moon - Rise: 08:07, Set: 00:44. Civil Dark: 21:33 - 04:24. Nautical Dark: 22:30 - 03:26. Astro Dark: 23:59 - 01:54

Total Clouds (% Sky Obscured)

86
87
88
90
94
95
97
99
95
90
85
89
93
98
95
92
89
90
93
95

Low Clouds (% Sky Obscured)

71
63
63
59
55
61
74
80
83
83
79
67
62
59
64
69
74
59
43
27

Medium Clouds (% Sky Obscured)

20
22
28
34
40
52
66
82
56
33
9
23
37
52
38
25
11
7
5
3

High Clouds (% Sky Obscured)

17
20
27
40
45
59
75
86
64
42
18
23
29
38
30
24
17
19
37
63

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

26
17
29
27
13
10
6
2
6
4
0
1
1
1
5
5
1
4
5
4

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
12
10
11
11
11
11
10
9
9
9
9
9
9
10
10
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

74
80
87
92
93
96
96
98
98
98
98
98
96
96
93
92
87
83
76
71

Pressure (mb)

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

Ozone (du)

379
374
370
369
369
369
368
367
367
365
363
361
357
354
350
348
346
344
344
343

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

Generated: 13/05/26 17:31:30. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00