Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Gibbous 83%

18:36

01:00

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

Sun - Rise: 05:57, Set: 20:12, Transit: 13:04. Moon - Rise: 18:36, Set: 01:00. Civil Dark: 20:50 - 05:19. Nautical Dark: 21:39 - 04:31. Astro Dark: 22:37 - 03:34

Total Clouds (% Sky Obscured)

17
24
28
30
42
29
26
35
48
53
54
54
51
43
24
28
30
27
55
29
43
52
37
37

Low Clouds (% Sky Obscured)

17
18
27
24
22
17
17
31
48
53
50
47
48
40
24
28
28
24
41
24
41
38
23
21

Medium Clouds (% Sky Obscured)

17
22
20
20
17
9
2
1
0
0
0
0
0
0
0
0
0
0
5
0
0
5
0
0

High Clouds (% Sky Obscured)

5
2
2
5
2
4
6
2
2
0
1
0
0
0
0
0
2
1
3
4
3
5
13
18

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
11
11
13
20
19
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
48
56
62
67
69
71
73
75
76
78
80
80
77
71
62
53
47
42
41
41
42
44
44

Pressure (mb)

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

Ozone (du)

338
338
337
337
337
336
336
335
335
335
335
334
334
334
334
334
333
331
330
331
331
331
332
333

Monday 24

Waxing Gibbous 90%

19:05

02:14

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

Sun - Rise: 05:59, Set: 20:10, Transit: 13:03. Moon - Rise: 19:05, Set: 02:14. Civil Dark: 20:48 - 05:21. Nautical Dark: 21:36 - 04:33. Astro Dark: 22:33 - 03:37

Total Clouds (% Sky Obscured)

24
23
21
27
47
34
38
36
41
40
66
80
82
81
75
66
61
57
57
82
43
27
28
32

Low Clouds (% Sky Obscured)

17
18
20
27
44
32
38
36
41
40
57
55
38
38
43
41
46
30
26
36
19
14
14
13

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)

4
3
3
1
0
0
0
0
0
2
11
73
35
40
35
66
55
57
41
43
29
2
3
10

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
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
52
61
74
79
80
82
84
86
89
89
89
89
86
79
70
65
61
59
58
59
60
60
63

Pressure (mb)

1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014

Ozone (du)

332
331
331
330
329
327
325
323
322
322
323
323
324
325
324
323
322
322
324
324
323
322
322
323

Tuesday 25

Waxing Gibbous 95%

19:25

03:33

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
17 Bad

Sun - Rise: 06:01, Set: 20:08, Transit: 13:03. Moon - Rise: 19:25, Set: 03:33. Civil Dark: 20:45 - 05:23. Nautical Dark: 21:33 - 04:36. Astro Dark: 22:29 - 03:40

Total Clouds (% Sky Obscured)

64
66
81
81
76
82
89
99
100
100
100
100
100
100
100
100
100
97
86
79
73
67
58
47

Low Clouds (% Sky Obscured)

18
21
24
32
35
29
41
46
39
26
27
44
54
70
65
54
65
55
48
47
42
39
29
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
8
18
20
20
28
52
88
100
100
77
47
67
35
19
18
17
12
8

High Clouds (% Sky Obscured)

38
46
48
52
39
43
64
97
100
100
100
100
100
100
100
100
95
83
63
62
66
65
48
25

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

Precipitation Probability (%)

0
0
0
0
0
0
1
5
9
13
37
52
54
39
15
11
3
10
6
7
7
4
6
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
17
16
16
16
16
15
15
15
16
16
16
16
16
16
16
17
18
18
19
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

67
74
83
85
87
87
89
89
87
90
92
92
92
89
78
68
60
54
50
50
53
54
56
59

Pressure (mb)

1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

323
323
322
322
321
318
316
316
315
314
314
314
314
315
316
316
315
316
317
319
320
321
322
323

Wednesday 26

Waxing Gibbous 99%

19:39

04:53

18 OK
19 OK
20 OK
21 OK
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

Sun - Rise: 06:02, Set: 20:05, Transit: 13:03. Moon - Rise: 19:39, Set: 04:53. Civil Dark: 20:43 - 05:25. Nautical Dark: 21:30 - 04:38. Astro Dark: 22:26 - 03:43

Total Clouds (% Sky Obscured)

33
33
36
40
67
72
68
81
86
92
87
82
77
78
79
83
90
96
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
30
35
39
47
54
60
72
75
77
75
71
64
69
70
77
81
65
81
61
74
61
56
54

Medium Clouds (% Sky Obscured)

5
5
1
0
0
0
0
33
2
2
12
4
4
4
6
80
81
21
92
95
97
100
100
100

High Clouds (% Sky Obscured)

3
3
5
7
46
46
4
51
69
82
69
63
56
57
67
75
90
96
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
6
7
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

2
4
3
0
0
0
0
0
1
4
7
1
0
7
15
38
76
85
95
67
47
49
64
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.4
1.5
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
14
15
14
15
15
15
15
15
15
15
15
15
14
15
16
18
16
18
16
14
13
11

Relative Humidity (%)

64
69
78
86
87
90
90
93
93
93
93
93
93
90
81
78
81
89
76
86
76
69
63
59

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1009
1009
1008
1008
1008
1007
1007
1006
1006
1005
1005
1005
1004

Ozone (du)

324
322
322
321
320
319
319
319
319
320
319
318
318
320
321
322
322
322
321
324
324
327
327
328

Thursday 27

Waxing Gibbous 100%

19:50

06:13

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
17 Bad

Sun - Rise: 06:04, Set: 20:03, Transit: 13:02. Moon - Rise: 19:50, Set: 06:13. Civil Dark: 20:40 - 05:27. Nautical Dark: 21:28 - 04:40. Astro Dark: 22:22 - 03:46

Total Clouds (% Sky Obscured)

100
100
100
100
97
93
89
87
89
91
91
90
90
100
100
100
94
88
83
86
90
93
95
97

Low Clouds (% Sky Obscured)

63
57
79
81
84
33
27
22
22
21
20
23
22
31
34
38
33
29
24
38
56
74
69
63

Medium Clouds (% Sky Obscured)

100
100
12
39
22
9
5
55
9
10
10
30
90
86
77
68
46
27
7
16
25
30
25
21

High Clouds (% Sky Obscured)

100
100
100
100
82
60
35
30
20
20
20
20
20
100
100
100
93
86
79
57
37
16
33
50

ISS Passover

Visibility (miles)

9
9
7
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

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

Precipitation Probability (%)

81
67
75
88
65
46
21
20
13
8
11
8
1
0
0
0
2
4
5
13
18
19
19
24

Precipitation Amount (mm)

0.3
0.3
0.4
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
15
15
14
12
11
10
10
10
10
10
11
11
10
10
10
9
8
8
7
8
7
7

Relative Humidity (%)

61
68
82
83
78
70
64
63
64
66
69
73
78
78
72
65
61
53
45
40
40
40
40
40

Pressure (mb)

1003
1003
1003
1002
1002
1002
1001
1001
1001
1001
1001
1000
1000
1000
1003
1003
1003
1002
1002
1002
1001
1001
1001
1001

Ozone (du)

328
331
333
336
337
340
342
341
342
342
341
341
341
342
342
341
341
342
343
343
343
343
342
341

Friday 28

Full Moon 99%

20:00

07:32

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
17 Bad

Sun - Rise: 06:06, Set: 20:01, Transit: 13:02. Moon - Rise: 20:00, Set: 07:32. Civil Dark: 20:38 - 05:29. Nautical Dark: 21:25 - 04:42. Astro Dark: 22:18 - 03:49

Total Clouds (% Sky Obscured)

100
94
86
77
83
90
100
85
69
57
55
56
54
75
90
97
98
99
100
100
100
99
96
93

Low Clouds (% Sky Obscured)

58
42
30
17
15
17
19
37
53
57
55
56
54
71
65
60
67
75
79
71
64
59
66
70

Medium Clouds (% Sky Obscured)

11
16
24
35
57
78
100
85
69
57
55
56
54
75
62
44
36
32
25
48
71
91
83
73

High Clouds (% Sky Obscured)

68
74
70
57
62
80
100
72
43
15
24
33
36
41
37
38
42
58
76
86
91
91
61
29

ISS Passover

Visibility (miles)

9
9
9
9
9
7
5
3
3
4
4
6
8
9
9
9
9
8
6
5
5
5
5
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

28
29
37
37
31
44
65
87
94
95
84
79
74
67
52
41
40
43
50
54
61
77
82
89

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.7
0.7
0.7
0.5
0.4
0.3
0.3
0
0
0
0
0.2
0.3
0.3
0.6
0.6
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
44
49
55
62
71
79
87
89
90
89
89
87
86
87
86
87
85
82
80
76
74
72
72

Pressure (mb)

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

Ozone (du)

339
338
337
336
336
336
335
335
335
336
336
337
339
340
338
336
334
332
330
328
328
328
328
328

Saturday 29

Waning Gibbous 96%

20:09

08:53

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: 06:08, Set: 19:58, Transit: 13:02. Moon - Rise: 20:09, Set: 08:53. Civil Dark: 20:35 - 05:31. Nautical Dark: 21:22 - 04:45. Astro Dark: 22:15 - 03:52

Total Clouds (% Sky Obscured)

90
89
87
89
91
89
84
84
80
72
63
69
85
86
89
92
93
95
97

Low Clouds (% Sky Obscured)

78
76
78
82
77
69
61
59
57
50
52
63
79
80
80
80
77
73
69

Medium Clouds (% Sky Obscured)

61
42
20
7
7
8
9
9
9
11
11
11
11
5
4
3
6
10
13

High Clouds (% Sky Obscured)

1
1
1
2
1
1
0
0
0
0
0
0
0
28
56
88
92
95
97

ISS Passover

Visibility (miles)

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

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

92
90
79
64
47
32
20
21
21
20
26
30
28
30
31
31
31
28
21

Precipitation Amount (mm)

0.9
0.9
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
77
82
89
87
87
87
89
90
92
92
92
90
83
77
69
71
72

Pressure (mb)

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

Ozone (du)

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

Forecast for Barton upon Humber, North Lincolnshire, United Kingdom (53.68,-0.45)

Generated: 23/08/26 18:23:38. Forecast: 23/08/26 to 29/08/26. Timezone: UTC+1.00