Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 86%

19:53

11:22

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
19 Bad

Sun - Rise: 07:51, Set: 15:54, Transit: 11:52. Moon - Rise: 19:53, Set: 11:22. Civil Dark: 16:33 - 07:12. Nautical Dark: 17:15 - 06:30. Astro Dark: 17:55 - 05:50

Total Clouds (% Sky Obscured)

71
56
88
65
74
92
100
90
100
86
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

61
56
50
65
60
67
55
80
81
74
72
75
70
83
74
75
68
80
84
63
76
70
62
80

Medium Clouds (% Sky Obscured)

0
0
0
0
0
4
13
49
82
80
50
93
100
100
100
100
97
97
95
93
94
51
33
71

High Clouds (% Sky Obscured)

71
56
54
58
70
44
100
84
100
65
64
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
7
6
9
9
7
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
1
0
0
0
1
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
2
7
0
6
9
7
21
24
44
67
78
72
68
54
67
72
30
29
24
92

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.4
0.4
0.2
0.3
0.4
0
0
0
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
91
95
88
86
90
95
95
93
92
92
89
89
89
93
95
93
93
93
96
95
96
92

Pressure (mb)

1005
1006
1007
1007
1008
1009
1009
1009
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011

Ozone (du)

290
295
297
301
300
301
302
304
305
308
307
310
315
317
320
323
325
329
329
330
330
329
328
326

Monday 8

Waning Gibbous 77%

19:53

11:43

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
19 Bad

Sun - Rise: 07:52, Set: 15:53, Transit: 11:53. Moon - Rise: 19:53, Set: 11:43. Civil Dark: 16:33 - 07:13. Nautical Dark: 17:15 - 06:31. Astro Dark: 17:55 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
98
98
95
100
100
84
94
93

Low Clouds (% Sky Obscured)

81
89
88
95
83
53
45
34
27
38
85
93
98
100
100
100
97
84
92
100
100
71
49
48

Medium Clouds (% Sky Obscured)

61
84
77
64
29
37
54
96
84
99
99
96
100
97
76
82
95
97
90
91
85
80
93
49

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
65
100
91
17
75
41
34
19
1
3
5
43
14

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
9
9
9
8
9
9
2
9
9
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None

Precipitation Probability (%)

49
34
37
33
16
19
34
52
83
73
91
95
95
95
54
41
58
50
39
52
37
24
9
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.6
0.4
0.7
1.2
1.4
1.2
0.3
0
0.4
0.3
0
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
13
13
13
13
12
12
12
12
12
12
12
12
12
13
13
13
13
13
13
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
89
89
86
87
86
86
86
86
86
87
86
83
87
81
80
81
83
87
84
86
84
83
81

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1005
1006
1006
1006
1006

Ozone (du)

325
324
322
320
317
312
306
297
292
290
290
290
290
291
291
291
291
289
288
288
286
284
284
284

Tuesday 9

Waning Gibbous 67%

21:18

11:59

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
19 Bad

Sun - Rise: 07:53, Set: 15:53, Transit: 11:53. Moon - Rise: 21:18, Set: 11:59. Civil Dark: 16:33 - 07:14. Nautical Dark: 17:15 - 06:32. Astro Dark: 17:55 - 05:51

Total Clouds (% Sky Obscured)

83
100
100
100
100
100
100
100
96
98
98
98
98
89
94
98
99
99
100
90
75
69
58
48

Low Clouds (% Sky Obscured)

44
39
48
54
49
46
64
70
68
68
73
74
62
68
71
71
70
69
69
68
68
68
58
48

Medium Clouds (% Sky Obscured)

53
98
29
37
40
38
27
34
63
61
24
34
28
89
92
65
57
99
43
20
12
0
0
0

High Clouds (% Sky Obscured)

39
87
43
96
82
98
97
99
79
93
92
92
54
39
38
71
81
90
100
72
29
13
1
0

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 (%)

1
0
0
2
0
7
2
0
0
0
0
1
0
2
3
12
2
2
1
5
4
4
4
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
0
0
0

Wind Speed/Direction (mph)

19
21
23
27
24
24
19
16
13
12
12
13
12
13
13
15
16
15
13
12
10
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
81
81
90
84
81
77
83
87
90
90
90
91
88
87
89
89
88
90
91
95
95
96

Pressure (mb)

1006
1006
1006
1006
1006
1007
1009
1010
1011
1012
1012
1013
1014
1015
1016
1016
1016
1016
1017
1017
1018
1019
1020
1021

Ozone (du)

284
286
288
289
287
285
285
284
284
284
287
290
291
292
293
297
299
301
303
303
307
309
310
310

Wednesday 10

Waning Gibbous 57%

22:37

12:11

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

Sun - Rise: 07:54, Set: 15:53, Transit: 11:54. Moon - Rise: 22:37, Set: 12:11. Civil Dark: 16:33 - 07:15. Nautical Dark: 17:15 - 06:33. Astro Dark: 17:55 - 05:52

Total Clouds (% Sky Obscured)

36
32
28
22
29
35
39
46
59
67
75
72
69
75
81
87
83
76
71
72
72
71
80
90

Low Clouds (% Sky Obscured)

36
32
28
22
29
35
39
46
56
67
67
61
55
65
61
63
55
76
71
72
67
57
59
66

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
25
25
25
25
42
53
60
71
62

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
18
20
25
25
20
20
25
25
25
26
27
6
27
54

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
1
1
5

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 (%)

0
0
0
0
0
0
0
0
0
0
1
1
0
2
3
7
13
27
40
49
64
64
58
36

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
0.3
0.3
0

Wind Speed/Direction (mph)

6
5
4
3
3
4
4
3
4
4
4
4
5
6
8
10
11
11
10
9
8
8
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
6
6
5
5
5
5
4
4
4
4
5
6
8
8
9
9
8
9
10
9
9
9
9

Relative Humidity (%)

95
94
94
94
94
94
94
96
96
96
96
98
96
96
95
90
87
87
93
98
98
98
98
95

Pressure (mb)

1021
1022
1022
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1020
1020
1019
1018
1017
1017
1016
1015
1015
1015

Ozone (du)

310
310
309
309
307
308
308
310
311
312
311
312
312
311
312
311
312
312
312
312
313
315
320
321

Thursday 11

Third Quarter 46%

23:52

12:23

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
19 Bad

Sun - Rise: 07:55, Set: 15:53, Transit: 11:54. Moon - Rise: 23:52, Set: 12:23. Civil Dark: 16:33 - 07:16. Nautical Dark: 17:15 - 06:33. Astro Dark: 17:56 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
100
99
98
98
97
94
91
94
97
100
100
100
100
78
57

Low Clouds (% Sky Obscured)

73
72
72
71
73
76
78
75
72
71
91
86
80
64
48
32
25
37
48
51
48
45
55
57

Medium Clouds (% Sky Obscured)

48
45
46
50
45
49
97
100
92
95
68
40
9
19
33
45
47
53
61
73
81
84
64
56

High Clouds (% Sky Obscured)

85
80
81
100
93
85
80
87
93
99
87
89
90
88
87
84
89
94
100
100
100
100
78
57

ISS Passover

Visibility (miles)

6
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 (%)

29
18
8
15
1
4
3
4
5
6
49
45
31
18
14
9
8
4
0
2
7
10
17
23

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
9
10
10
10
10
10
10
10
10
10
9
9
9
10
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
98
98
96
96
96
96
98
96
95
93
91
93
91
91
91
90
88
88
88
88
90

Pressure (mb)

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

Ozone (du)

313
313
312
313
311
311
313
314
314
315
315
316
316
317
318
320
321
321
320
320
319
319
319
320

Friday 12

Waning Crescent 36%

01:04

12:33

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
19 Bad

Sun - Rise: 07:56, Set: 15:53, Transit: 11:55. Moon - Rise: 01:04, Set: 12:33. Civil Dark: 16:33 - 07:17. Nautical Dark: 17:15 - 06:34. Astro Dark: 17:56 - 05:54

Total Clouds (% Sky Obscured)

35
42
45
49
59
75
91
92
93
94
95
95
91
92
94
90
91
86
86
87
69
65
70
78

Low Clouds (% Sky Obscured)

35
42
45
46
43
40
36
35
40
44
50
55
61
65
68
72
66
59
53
56
59
62
65
68

Medium Clouds (% Sky Obscured)

35
42
45
49
59
72
83
73
66
57
50
40
26
22
22
18
14
11
9
13
17
18
18
19

High Clouds (% Sky Obscured)

35
30
10
5
5
0
0
2
4
7
6
6
3
20
39
57
67
67
67
72
68
56
53
56

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 (%)

28
26
18
3
2
2
2
6
7
3
8
9
8
7
4
3
0
0
0
0
1
0
14
22

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
6
6
4
4
5
4
4
5
5
5
5
6
6
5
10
9
9
9
9
8
6

Dew Point (°C)

7
7
7
6
5
5
6
6
5
5
5
5
5
5
6
6
7
7
7
7
7
7
7
7

Relative Humidity (%)

90
90
90
87
84
85
88
91
90
91
90
90
90
88
85
81
78
81
81
84
85
87
88
88

Pressure (mb)

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

Ozone (du)

321
323
322
321
320
319
319
319
320
322
323
332
340
349
344
339
334
332
330
328
327
327
326
328

Saturday 13

Waning Crescent 27%

02:16

12:45

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

Sun - Rise: 07:57, Set: 15:53, Transit: 11:55. Moon - Rise: 02:16, Set: 12:45. Civil Dark: 16:33 - 07:18. Nautical Dark: 17:16 - 06:35. Astro Dark: 17:56 - 05:55

Total Clouds (% Sky Obscured)

82
77
67
65
65
65
55
63
77
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

70
77
67
65
65
65
55
63
65
65
74
82
89
89
90
88

Medium Clouds (% Sky Obscured)

20
14
9
13
18
23
24
46
75
100
96
93
89
89
83
76

High Clouds (% Sky Obscured)

62
44
22
0
18
43
55
63
77
100
80
60
44
60
81
98

ISS Passover

Visibility (miles)

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

Fog (%)

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
Very Light Rain

Precipitation Probability (%)

28
31
27
18
11
7
4
7
9
3
5
7
6
20
39
58

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
14
14
15
15
15
16
16
16
16
17
19
20
20
20

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9

Feels Like (°C)

6
6
6
6
6
6
6
6
5
5
5
5
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
88
87
87
87
87
87
87
87
87
87
87
88
90

Pressure (mb)

1021
1021
1021
1020
1020
1019
1019
1019
1018
1017
1016
1016
1016
1016
1015
1015

Ozone (du)

330
331
333
334
335
332
329
326
325
324
322
324
325
326
328
330

Forecast for Southgate, West Sussex, United Kingdom (51.11,-0.19)

Generated: 07/12/25 20:02:10. Forecast: 07/12/25 to 13/12/25. Timezone: UTC+0.00