Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 9

Waning Gibbous 77%

21:15

11:43

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 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:52, Set: 15:50, Transit: 11:51. Moon - Rise: 21:15, Set: 11:43. Civil Dark: 16:30 - 07:13. Nautical Dark: 17:13 - 06:30. Astro Dark: 17:53 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
95
100
100
100
96
99
93
95
91
69
51
28
51
99
99
100
100

Low Clouds (% Sky Obscured)

80
78
78
61
63
58
69
73
78
75
78
89
99
82
86
80
55
51
28
46
55
51
45
55

Medium Clouds (% Sky Obscured)

97
100
100
100
100
100
100
66
39
44
49
36
30
52
32
19
68
51
7
36
78
98
75
55

High Clouds (% Sky Obscured)

100
100
100
100
100
98
100
74
100
100
100
73
37
34
17
4
10
0
2
7
73
64
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
5
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
Light Rain
Light Rain
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
85
95
63
88
95
62
43
39
14
47
39
33
41
34
6
6
19
9
13
0
0
0
2

Precipitation Amount (mm)

0
0.7
1.2
0
0.4
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
11
14
15
15
16
17
16
16
16
18
17
17
19
19
20
20
19
16
13
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
9
8
8
8
8
8
8
8
8
8
8
8
8
9
8
8
8
8
8
8
8

Dew Point (°C)

11
10
10
9
9
10
9
8
9
9
8
8
9
10
10
11
11
11
10
8
8
8
8
7

Relative Humidity (%)

87
84
81
77
81
84
83
76
77
77
75
72
76
81
79
83
82
83
83
77
80
81
80
77

Pressure (mb)

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

Ozone (du)

310
303
298
297
292
287
286
287
288
289
289
287
284
283
282
282
283
283
283
284
284
283
281
281

Wednesday 10

Waning Gibbous 67%

22:35

11:58

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

Sun - Rise: 07:53, Set: 15:50, Transit: 11:52. Moon - Rise: 22:35, Set: 11:58. Civil Dark: 16:30 - 07:14. Nautical Dark: 17:13 - 06:31. Astro Dark: 17:53 - 05:50

Total Clouds (% Sky Obscured)

85
100
100
100
100
99
62
60
66
67
65
52
66
62
56
37
18
5
3
5
5
33
10
63

Low Clouds (% Sky Obscured)

65
55
59
70
57
58
57
56
63
64
49
50
64
58
56
37
18
5
3
5
0
0
0
0

Medium Clouds (% Sky Obscured)

3
53
3
58
47
20
6
53
66
67
65
48
0
0
0
0
0
0
0
0
0
18
0
16

High Clouds (% Sky Obscured)

59
100
100
100
100
96
43
23
5
18
1
2
20
20
0
0
0
0
0
0
4
4
8
39

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
1
0
0
0
0
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
10
9
9
8
8
7
8
8
8
9
9
9
10
9
11
11
9
8
9
8
7
8
8

Dew Point (°C)

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

Relative Humidity (%)

80
83
86
88
87
87
87
87
86
81
80
75
72
74
75
79
83
84
85
85
87
87
88
88

Pressure (mb)

1009
1010
1011
1011
1011
1012
1012
1013
1014
1014
1015
1015
1015
1016
1016
1018
1019
1019
1020
1021
1021
1021
1022
1022

Ozone (du)

278
277
279
280
279
283
285
287
289
289
291
294
296
298
303
309
312
311
312
310
309
309
306
304

Thursday 11

Third Quarter 57%

23:50

12:10

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

Sun - Rise: 07:54, Set: 15:50, Transit: 11:52. Moon - Rise: 23:50, Set: 12:10. Civil Dark: 16:30 - 07:15. Nautical Dark: 17:13 - 06:32. Astro Dark: 17:53 - 05:51

Total Clouds (% Sky Obscured)

10
75
27
56
56
50
47
44
48
77
88
89
91
93
100
94
100
96
93
88
93
96
100
100

Low Clouds (% Sky Obscured)

6
28
27
38
30
50
47
44
48
55
73
70
78
81
90
81
85
74
72
64
58
49
43
61

Medium Clouds (% Sky Obscured)

0
23
0
0
0
0
0
0
0
0
0
0
0
4
53
55
50
59
62
57
76
88
98
97

High Clouds (% Sky Obscured)

4
74
4
39
45
5
3
0
2
40
40
30
30
35
40
41
53
53
31
26
48
69
100
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
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
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
3
31
54
23
5
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
7
7
7
7
7
7
8
8
9
10
10
11
11
10
9
9
9
9
9
9
9
9
9

Feels Like (°C)

7
7
7
7
5
5
7
8
9
10
8
9
9
9
8
7
7
7
7
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

88
87
87
87
91
91
94
96
96
93
90
88
84
83
85
90
90
91
93
93
95
96
95
93

Pressure (mb)

1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1019
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014

Ozone (du)

303
302
301
300
299
299
301
303
303
302
302
306
306
306
306
306
308
311
313
314
312
310
309
308

Friday 12

Waning Crescent 46%

01:03

12:21

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: 07:55, Set: 15:50, Transit: 11:53. Moon - Rise: 01:03, Set: 12:21. Civil Dark: 16:30 - 07:16. Nautical Dark: 17:13 - 06:33. Astro Dark: 17:53 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
98
95
92
91
90
89
75

Low Clouds (% Sky Obscured)

80
98
96
94
92
85
89
86
71
59
44
56
67
77
72
77
81
65
45
25
25
25
25
15

Medium Clouds (% Sky Obscured)

59
60
64
62
60
91
93
85
64
39
39
98
97
94
67
60
93
85
86
92
82
90
56
75

High Clouds (% Sky Obscured)

96
100
100
100
100
90
82
74
65
56
43
54
65
78
84
91
100
90
79
64
54
39
28
22

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
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
None
None
None
None
None

Precipitation Probability (%)

6
17
9
9
5
7
10
13
13
8
2
8
13
23
49
53
41
33
21
2
7
26
30
39

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
85
91
93
90
90
91
91
91
87
81
80
80
81
79
78
77
76
77
80
81
81
82
84

Pressure (mb)

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

Ozone (du)

306
307
307
308
309
311
310
310
311
313
314
316
315
315
315
316
316
318
319
322
324
325
325
326

Saturday 13

Waning Crescent 36%

01:03

12:31

01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
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: 07:56, Set: 15:50, Transit: 11:53. Moon - Rise: 01:03, Set: 12:31. Civil Dark: 16:30 - 07:16. Nautical Dark: 17:13 - 06:33. Astro Dark: 17:54 - 05:53

Total Clouds (% Sky Obscured)

59
44
33
21
5
15
26
36
34
28
25
29
36
43
55
57
48
47
48
49
61
65
64
69

Low Clouds (% Sky Obscured)

5
5
5
5
5
15
23
31
33
28
24
29
33
36
40
44
47
47
48
48
46
43
37
44

Medium Clouds (% Sky Obscured)

59
44
33
21
5
15
26
36
34
28
25
29
36
43
50
36
27
20
12
8
10
15
22
44

High Clouds (% Sky Obscured)

21
20
15
15
5
15
15
20
12
2
0
0
0
0
14
25
38
27
19
16
25
49
64
57

ISS Passover

Visibility (miles)

4
7
4
9
9
9
9
9
9
9
6
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

53
56
46
31
9
2
0
0
5
22
27
37
39
39
32
23
3
4
2
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.2
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
3
3
4
4
5
7
8
8
8
7
7
7
6
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
6
6
6
6
6
6
7
8
8
7
7
8
8
7
7
7
7
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

87
88
90
90
90
90
88
87
82
81
81
81
81
78
76
80
84
87
87
88
88
88
88
88

Pressure (mb)

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

Ozone (du)

326
326
324
323
325
328
333
345
355
364
375
392
391
391
390
382
374
366
360
354
348
344
341
337

Sunday 14

Waning Crescent 27%

02:14

12:42

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: 07:57, Set: 15:50, Transit: 11:54. Moon - Rise: 02:14, Set: 12:42. Civil Dark: 16:30 - 07:17. Nautical Dark: 17:13 - 06:34. Astro Dark: 17:54 - 05:54

Total Clouds (% Sky Obscured)

76
82
82
84
84
84
80
78
68
56
42
57
68
87
93
97
100
100
100
100
100
100
100
90

Low Clouds (% Sky Obscured)

51
60
59
61
64
66
69
71
60
49
35
49
67
84
89
95
100
92
84
76
80
83
87
81

Medium Clouds (% Sky Obscured)

62
82
63
42
24
42
61
78
62
41
19
14
8
3
19
32
44
38
38
44
63
81
100
90

High Clouds (% Sky Obscured)

54
51
38
21
13
9
5
0
0
0
0
0
0
0
0
0
0
47
75
100
81
66
53
52

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
Very Light Rain

Precipitation Probability (%)

0
0
1
2
1
3
5
1
6
7
2
6
5
1
5
2
1
4
5
2
12
26
49
62

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
8
8
8
8
8
8
9
9
10
10
11
11
11
11
11
11
11
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
91
95
96
95
95
95
91
88
87
85
87
87
85
84
83
83
80
80
78
78
77

Pressure (mb)

1022
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1016
1016
1016
1015
1014
1014
1013
1013
1012
1011

Ozone (du)

334
330
326
324
321
318
317
317
316
315
314
313
312
311
310
309
307
306
304
301
299
298
297
296

Monday 15

Waning Crescent 19%

03:26

12:55

Sun - Rise: 07:58, Set: 15:50, Transit: 11:54. Moon - Rise: 03:26, Set: 12:55. Civil Dark: 16:30 - 07:18. Nautical Dark: 17:13 - 06:35. Astro Dark: 17:54 - 05:54

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 Wilmington, Kent, United Kingdom (51.43,0.21)

Generated: 09/12/25 01:39:03. Forecast: 09/12/25 to 15/12/25. Timezone: UTC+0.00