Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 31

Waning Gibbous 91%

20:28

10:16

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

Sun - Rise: 06:09, Set: 19:54, Transit: 13:01. Moon - Rise: 20:28, Set: 10:16. Civil Dark: 20:30 - 05:33. Nautical Dark: 21:16 - 04:47. Astro Dark: 22:08 - 03:55

Total Clouds (% Sky Obscured)

73
82
75
56
55
62
36
63
48
61
61
63
73
77
65
39
34
58
46
91
100
100
88
71

Low Clouds (% Sky Obscured)

48
60
49
38
37
38
34
56
41
43
48
36
55
64
63
37
30
16
0
0
0
0
2
3

Medium Clouds (% Sky Obscured)

3
34
6
13
18
3
5
0
2
15
20
19
13
16
0
0
0
0
3
31
17
63
17
10

High Clouds (% Sky Obscured)

73
44
3
11
10
33
2
19
4
2
0
0
0
0
2
3
4
58
46
85
100
100
77
52

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
9
15
4
3
0
1
2
2
27
41
48
38
16
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
7
7
6
7
7
10
12
12
11
12
14
15
17
18
19
17
16
15
14
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
14
14
14
14
13
14
14
16
17
18
17
17
16
16
15
15
12
11
10
9
9
10

Dew Point (°C)

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

Relative Humidity (%)

84
89
92
93
93
92
87
80
75
68
61
55
49
46
49
53
52
56
58
60
62
60
60
65

Pressure (mb)

1003
1002
1002
1002
1002
1003
1003
1004
1005
1006
1006
1007
1008
1009
1010
1010
1011
1012
1013
1014
1015
1016
1016
1017

Ozone (du)

332
333
335
337
336
336
335
337
337
334
335
338
335
331
326
325
325
324
323
320
319
318
318
319

Tuesday 1

Waning Gibbous 83%

20:42

11:43

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

Sun - Rise: 06:11, Set: 19:51, Transit: 13:01. Moon - Rise: 20:42, Set: 11:43. Civil Dark: 20:28 - 05:34. Nautical Dark: 21:13 - 04:49. Astro Dark: 22:05 - 03:58

Total Clouds (% Sky Obscured)

69
38
40
37
49
58
57
79
77
90
83
88
73
86
91
100
100
100
100
100
96
66
100
100

Low Clouds (% Sky Obscured)

2
3
2
2
5
1
10
1
21
56
53
72
57
57
56
59
53
44
14
8
8
3
3
5

Medium Clouds (% Sky Obscured)

16
13
19
15
17
23
45
25
21
23
23
17
19
19
19
11
10
25
26
28
41
66
100
93

High Clouds (% Sky Obscured)

47
3
2
2
2
2
10
14
18
41
16
3
3
12
83
100
100
100
99
98
61
55
97
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
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
2
2
0
0
1
2
0
0
0
0
0
0
0
0
0
0
5
9
4
6
8

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)

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

Chance of Frost

Temperature (°C)

13
12
12
12
12
12
12
14
15
16
18
19
20
21
21
21
21
20
19
17
17
16
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
70
72
75
76
80
83
76
66
57
50
44
40
39
40
43
43
46
51
57
62
66
67
69

Pressure (mb)

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

Ozone (du)

318
316
315
314
313
314
313
313
314
315
314
317
315
316
316
316
318
318
318
318
319
321
322
324

Wednesday 2

Waning Gibbous 74%

21:01

13:13

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:13, Set: 19:49, Transit: 13:01. Moon - Rise: 21:01, Set: 13:13. Civil Dark: 20:25 - 05:36. Nautical Dark: 21:11 - 04:51. Astro Dark: 22:01 - 04:00

Total Clouds (% Sky Obscured)

98
94
97
98
100
99
89
96
95
96
99
96
98
95
85
84
100
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

9
22
63
65
67
65
64
72
78
77
89
88
85
90
79
73
71
60
25
20
18
26
43
52

Medium Clouds (% Sky Obscured)

97
72
96
94
64
21
89
93
73
89
97
96
98
15
17
26
14
12
15
19
24
17
14
14

High Clouds (% Sky Obscured)

51
59
13
80
99
66
62
58
65
60
88
39
55
55
42
49
87
61
98
97
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
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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

6
8
10
12
17
25
46
37
11
10
20
39
46
31
11
28
39
8
7
6
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
15
15
15
16
17
17
17
17
17
18
20
19
19
18
18
18
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
73
74
71
71
75
78
83
85
82
81
82
82
79
83
75
72
75
78
82
85
86
88
86

Pressure (mb)

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

Ozone (du)

325
322
319
315
312
311
311
309
308
306
305
304
303
303
304
304
305
303
301
299
299
298
299
298

Thursday 3

Waning Gibbous 63%

21:30

14:42

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:15, Set: 19:46, Transit: 13:01. Moon - Rise: 21:30, Set: 14:42. Civil Dark: 20:23 - 05:38. Nautical Dark: 21:08 - 04:53. Astro Dark: 21:58 - 04:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100
100
98
97
95

Low Clouds (% Sky Obscured)

51
43
56
56
59
41
37
25
12
25
42
59
60
60
60
57
53
92
90
89
88
83
79
73

Medium Clouds (% Sky Obscured)

17
21
30
35
89
93
100
55
53
38
89
50
32
38
98
99
86
100
99
99
99
93
16
24

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
97
95
95
96
97
96
96
98
88
94
81
78

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
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

2
1
1
6
18
2
16
28
26
33
40
49
45
34
23
33
39
46
48
45
58
60
63
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
17
18
18
19
19
19
19
19
19
18
17
17
17
17
17
18

Feels Like (°C)

15
15
15
15
15
15
15
15
15
15
15
15
15
15
14
14
15
15
15
15
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

87
87
89
85
79
76
79
78
71
61
56
53
53
45
39
39
42
46
53
57
61
66
72
78

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1012
1012
1010

Ozone (du)

298
297
296
298
297
298
300
303
304
303
302
301
300
299
299
298
297
296
295
294
295
294
293
293

Friday 4

Third Quarter 51%

22:16

16:05

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:16, Set: 19:44, Transit: 13:00. Moon - Rise: 22:16, Set: 16:05. Civil Dark: 20:20 - 05:40. Nautical Dark: 21:05 - 04:55. Astro Dark: 21:55 - 04:06

Total Clouds (% Sky Obscured)

97
99
100
100
100
100
100
100
84
90
98
98
97
96
95
86
78
63
56
49
47
56
61
66

Low Clouds (% Sky Obscured)

71
72
78
82
90
67
86
60
33
20
39
70
62
53
45
40
38
33
26
21
19
19
18
21

Medium Clouds (% Sky Obscured)

19
9
10
44
100
99
97
27
21
19
20
15
15
15
10
10
5
0
0
4
3
3
4
4

High Clouds (% Sky Obscured)

62
72
63
56
36
21
65
80
84
90
98
96
96
96
95
84
70
59
56
49
45
56
54
52

ISS Passover

Visibility (miles)

9
9
9
3
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
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
39
95
65
72
36
37
45
41
35
26
20
20
16
12
13
13
10
14
11
1
1
2
2

Precipitation Amount (mm)

0
0
0.9
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
19
19
18
17
17
17
18
18
18
19
18
18
18
18
18
17
17
16
15
14
14
14

Feels Like (°C)

15
14
14
13
15
14
14
14
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Dew Point (°C)

13
15
15
16
14
14
14
13
12
10
8
9
10
10
9
8
9
9
9
9
9
8
8
8

Relative Humidity (%)

71
78
78
82
78
79
81
77
70
60
52
53
58
56
54
52
55
58
61
63
64
67
67
68

Pressure (mb)

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

Ozone (du)

294
296
296
295
299
304
305
309
312
316
318
320
323
327
330
333
335
337
340
341
343
345
346
347

Saturday 5

Waning Crescent 39%

23:22

17:10

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

Sun - Rise: 06:18, Set: 19:41, Transit: 13:00. Moon - Rise: 23:22, Set: 17:10. Civil Dark: 20:18 - 05:42. Nautical Dark: 21:02 - 04:57. Astro Dark: 21:51 - 04:08

Total Clouds (% Sky Obscured)

63
61
50
49
51
47
45
43
43
41
40
41
45
58
62
59
57
72
68
53
39
31
26
21

Low Clouds (% Sky Obscured)

18
14
10
21
21
19
29
39
43
41
35
24
27
30
32
45
57
72
52
26
0
0
1
1

Medium Clouds (% Sky Obscured)

0
5
5
3
2
0
0
0
0
0
0
0
0
1
1
2
2
2
2
2
4
2
2
2

High Clouds (% Sky Obscured)

39
33
29
19
11
0
0
0
0
0
0
0
0
0
0
0
1
1
5
9
11
6
3
1

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
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
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
13
12
13
13
13
13
14
15
16
16
16
16
16
16
15
14
13
11
10
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
69
70
69
67
67
63
60
57
50
45
40
40
42
42
45
48
50
55
61
66
70
72

Pressure (mb)

1014
1015
1015
1015
1016
1017
1017
1018
1019
1020
1020
1021
1021
1022
1022
1023
1023
1024
1025
1025
1026
1026
1026
1026

Ozone (du)

348
348
349
350
349
348
347
343
339
336
335
335
335
333
331
330
328
326
324
321
319
316
313
310

Sunday 6

Waning Crescent 28%

00:46

17:54

Sun - Rise: 06:20, Set: 19:39, Transit: 13:00. Moon - Rise: 00:46, Set: 17:54. Civil Dark: 20:15 - 05:44. Nautical Dark: 20:59 - 05:00. Astro Dark: 21:48 - 04:11

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 31/08/26 01:23:52. Forecast: 31/08/26 to 06/09/26. Timezone: UTC+1.00