Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 9

Waning Gibbous 72%

19:27

12:57

13 Bad
14 Bad
15 Bad
16 Bad
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: 07:10, Set: 16:20, Transit: 11:44. Moon - Rise: 19:27, Set: 12:57. Civil Dark: 16:56 - 06:34. Nautical Dark: 17:36 - 05:54. Astro Dark: 18:15 - 05:15

Total Clouds (% Sky Obscured)

70
77
79
81
100
100
85
95
100
100
100
100
100
100
100
100
88
96
94
80
90
98
94
100

Low Clouds (% Sky Obscured)

70
67
60
58
59
78
73
75
78
78
78
70
83
88
83
100
77
73
81
69
64
78
83
84

Medium Clouds (% Sky Obscured)

15
66
78
50
47
67
77
92
100
100
100
100
100
100
100
97
74
95
93
80
76
40
86
97

High Clouds (% Sky Obscured)

56
50
65
50
71
100
56
70
100
95
67
91
100
98
100
50
59
56
45
45
64
52
58
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
10
11
2
6
11
24
72
85
78
95
95
95
95
60
66
61
66
73
85
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.5
0.9
0.4
0.8
1.4
0.7
1.3
0
0.3
0.3
0.4
0.5
0.6
0.8
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
86
86
81
86
86
81
81
87
93
92
92
96
95
95
95
95
93
92
90
90
90
90

Pressure (mb)

1015
1015
1015
1014
1014
1014
1014
1013
1013
1012
1011
1011
1010
1009
1008
1008
1007
1007
1007
1007
1006
1006
1006
1005

Ozone (du)

267
266
266
265
263
260
262
263
265
266
268
270
270
270
271
271
271
273
276
277
280
285
287
290

Monday 10

Waning Gibbous 61%

20:52

12:57

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
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: 07:11, Set: 16:19, Transit: 11:44. Moon - Rise: 20:52, Set: 12:57. Civil Dark: 16:55 - 06:35. Nautical Dark: 17:35 - 05:55. Astro Dark: 18:13 - 05:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
58
76
43
20
9
45
42
100
98
96
93
100
100
100
98
90
97
90

Low Clouds (% Sky Obscured)

90
66
66
70
60
66
58
76
40
20
0
0
23
36
50
51
48
55
58
57
74
74
73
64

Medium Clouds (% Sky Obscured)

100
100
100
34
34
29
4
0
2
0
2
1
7
73
64
70
90
34
78
73
97
64
60
16

High Clouds (% Sky Obscured)

100
99
100
95
59
48
0
1
25
20
9
45
39
87
94
53
57
100
100
100
48
25
79
71

ISS Passover

Visibility (miles)

2
3
3
8
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

Light Rain
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 (%)

95
95
95
77
32
30
12
7
8
6
6
6
7
14
2
11
1
1
2
10
2
8
1
0

Precipitation Amount (mm)

2.4
1.7
1.6
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)

19
17
19
20
16
15
15
14
14
12
10
8
7
7
10
11
11
11
12
14
16
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
87
87
83
84
87
88
88
88
90
90
91
91
91
88
90
90
90
90
90
90
89
87

Pressure (mb)

1004
1003
1003
1003
1003
1004
1004
1005
1006
1006
1007
1007
1008
1008
1008
1008
1008
1007
1008
1008
1008
1007
1007
1007

Ozone (du)

295
302
311
313
316
314
311
306
302
299
296
296
296
297
297
299
299
296
297
297
297
294
291
284

Tuesday 11

Waning Gibbous 50%

22:16

13:22

13 Bad
14 Bad
15 Bad
16 Bad
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: 07:13, Set: 16:17, Transit: 11:44. Moon - Rise: 22:16, Set: 13:22. Civil Dark: 16:53 - 06:37. Nautical Dark: 17:33 - 05:57. Astro Dark: 18:12 - 05:18

Total Clouds (% Sky Obscured)

100
100
100
100
95
99
99
99
99
100
99
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

65
61
41
60
49
72
76
62
73
36
43
41
36
40
42
47
51
61
70
80
81
82
83
77

Medium Clouds (% Sky Obscured)

30
20
16
24
32
63
99
98
99
97
99
100
97
99
100
84
100
100
99
98
44
60
68
94

High Clouds (% Sky Obscured)

100
100
100
100
55
91
38
55
44
100
47
100
100
100
100
100
100
100
100
100
100
100
100
83

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
1
3
21
49
54
60
83
82
60
62
50
44
53
55
59
54
51
60
54
52
51
50

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0.2
0.7
0.5
0.2
0.3
0
0
0
0
0
0.2
0.2
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

17
18
19
20
20
22
22
22
21
20
20
18
17
15
15
15
14
14
13
15
15
14
13
14

Chance of Frost

Temperature (°C)

14
14
14
13
14
14
14
14
14
14
14
14
14
14
14
13
13
13
13
13
13
13
13
14

Feels Like (°C)

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

Dew Point (°C)

12
11
11
11
11
10
10
10
10
12
12
11
11
12
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

87
86
84
83
83
80
80
78
78
87
89
83
84
87
86
86
86
86
86
86
87
87
87
86

Pressure (mb)

1006
1006
1006
1005
1005
1005
1005
1004
1005
1004
1004
1005
1005
1004
1004
1004
1004
1005
1005
1005
1005
1006
1006
1006

Ozone (du)

279
275
275
271
271
271
272
273
271
270
268
269
271
271
271
271
271
271
272
271
271
271
271
272

Wednesday 12

Third Quarter 39%

23:36

13:40

13 Bad
14 Bad
15 Bad
16 Bad
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: 07:15, Set: 16:16, Transit: 11:45. Moon - Rise: 23:36, Set: 13:40. Civil Dark: 16:52 - 06:39. Nautical Dark: 17:32 - 05:58. Astro Dark: 18:11 - 05:19

Total Clouds (% Sky Obscured)

97
96
97
99
100
100
100
100
98
96
94
96
98
100
96
100
97
94
87
80
85
89
94
96

Low Clouds (% Sky Obscured)

70
63
61
60
58
38
20
2
10
18
28
31
33
36
41
37
37
33
32
31
36
54
59
58

Medium Clouds (% Sky Obscured)

88
66
61
49
50
30
23
15
20
34
39
40
45
42
49
63
65
55
46
33
38
58
54
78

High Clouds (% Sky Obscured)

64
46
62
81
100
100
100
99
74
49
29
49
73
98
93
99
96
83
66
49
50
51
52
68

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 (%)

49
47
46
38
12
26
25
1
3
3
0
0
0
0
6
10
13
11
10
9
7
4
0
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
11
11
11
11
12
12
12
12
11
11
11
11
11
11
11
12
12

Relative Humidity (%)

84
83
83
87
87
84
84
83
84
86
86
89
92
90
90
87
86
84
83
82
80
79
78
80

Pressure (mb)

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

Ozone (du)

272
271
271
271
271
272
272
271
271
270
269
269
267
268
268
270
270
269
269
271
272
274
279
279

Thursday 13

Waning Crescent 29%

00:51

13:53

13 Bad
14 Bad
15 Bad
16 Bad
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: 07:17, Set: 16:14, Transit: 11:45. Moon - Rise: 00:51, Set: 13:53. Civil Dark: 16:51 - 06:40. Nautical Dark: 17:31 - 06:00. Astro Dark: 18:10 - 05:21

Total Clouds (% Sky Obscured)

98
100
100
100
99
100
100
100
98
95
92
95
97
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
58
62
66
70
66
61
56
55
56
54
50
46
43
49
56
64
62
61
62
54
48
44
46

Medium Clouds (% Sky Obscured)

56
45
50
62
54
54
99
100
97
92
84
85
86
90
94
97
100
98
98
97
98
98
98
98

High Clouds (% Sky Obscured)

83
99
95
90
85
63
41
20
27
24
31
49
76
97
98
99
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

3
11
4
5
1
8
13
15
17
46
62
63
62
60
65
65
63
53
46
42
39
35
30
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0.3
0.3
0.4
0.4
0.2
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
14
13
13
13
12
12
13
13
13
13
13
14
14
14
14
14
14
14
14
14
14

Feels Like (°C)

12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
12
12
11
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

83
87
90
87
90
90
90
92
92
89
90
93
92
92
90
89
86
84
82
80
78
76
78
78

Pressure (mb)

1005
1006
1006
1007
1007
1007
1007
1007
1007
1006
1006
1006
1005
1004
1004
1003
1003
1002
1002
1002
1002
1002
1001
1001

Ozone (du)

278
280
281
282
283
283
283
282
281
281
280
281
282
283
284
285
285
285
285
284
284
287
289
292

Friday 14

Waning Crescent 21%

02:04

14:05

13 Bad
14 Bad
15 Bad
16 Bad
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: 07:18, Set: 16:13, Transit: 11:45. Moon - Rise: 02:04, Set: 14:05. Civil Dark: 16:49 - 06:42. Nautical Dark: 17:30 - 06:01. Astro Dark: 18:09 - 05:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
93
89
83
77
72
63
54
43
50
58
66
52
37
22
47

Low Clouds (% Sky Obscured)

48
52
62
69
79
66
53
42
49
57
62
71
73
72
63
52
41
43
45
47
39
31
22
32

Medium Clouds (% Sky Obscured)

97
96
96
99
100
91
80
70
46
24
4
16
22
21
21
22
26
44
58
66
51
28
7
29

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
68
37
10
4
3
2
0
0
4
4
5
20
21
20
17
26

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

65
73
82
95
95
95
95
93
81
70
50
47
37
16
21
23
22
30
36
38
36
33
36
43

Precipitation Amount (mm)

0.4
0.4
0.5
0.8
1.1
1
0.8
0.7
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
13
13
13
12
12
12
12
12
12
12
12
12
12
13
13
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
87
93
92
90
89
89
89
90
90
90
90
89
90
90
89
87
86
86
87
86
86
87
87

Pressure (mb)

1001
1000
1000
1000
999
999
999
1000
1000
1001
1001
1002
1002
1002
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004

Ozone (du)

294
296
298
299
299
300
299
298
296
298
300
302
304
305
307
308
310
311
312
313
315
317
319
321

Saturday 15

Waning Crescent 13%

03:15

14:15

13 Bad
14 Bad
15 Bad
16 Bad
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

Sun - Rise: 07:20, Set: 16:12, Transit: 11:45. Moon - Rise: 03:15, Set: 14:15. Civil Dark: 16:48 - 06:43. Nautical Dark: 17:29 - 06:03. Astro Dark: 18:08 - 05:24

Total Clouds (% Sky Obscured)

73
98
99
99
100
100
100
100
100
100
100
99
98
98
98
98
98

Low Clouds (% Sky Obscured)

41
50
50
49
46
45
46
43
48
54
61
70
77
88
81
74
67

Medium Clouds (% Sky Obscured)

51
75
81
87
93
95
97
98
81
63
45
51
57
58
55
49
46

High Clouds (% Sky Obscured)

35
43
56
80
100
100
100
100
100
100
100
82
61
37
50
65
84

ISS Passover

Visibility (miles)

5
4
3
4
5
6
7
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

Precipitation Type

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

Precipitation Probability (%)

48
55
56
59
62
63
61
54
86
95
95
95
88
75
69
55
29

Precipitation Amount (mm)

0.2
0.2
0.3
0.3
0.3
0.3
0.2
0
0.5
0.9
1.4
0.9
0.5
0.3
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
11
11
11
10
10
10
10
10
10
10
10
10
10

Relative Humidity (%)

89
89
90
92
90
92
92
90
90
91
91
93
93
92
92
93
93

Pressure (mb)

1004
1004
1003
1003
1003
1003
1003
1003
1002
1002
1002
1001
1001
1001
1001
1001
1001

Ozone (du)

321
321
321
319
318
317
313
310
307
304
301
298
297
295
294
296
297

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

Generated: 09/11/25 13:32:33. Forecast: 09/11/25 to 15/11/25. Timezone: UTC+0.00