Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Crescent 22%

12:26

18:51

22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 OK
08 OK
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

Sun - Rise: 06:47, Set: 16:45, Transit: 11:46. Moon - Rise: 12:26, Set: 18:51. Civil Dark: 17:20 - 06:13. Nautical Dark: 17:59 - 05:33. Astro Dark: 18:38 - 04:54

Total Clouds (% Sky Obscured)

59
67
73
66
28
32
34
36
37
30
23
68
100
100
100
100
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
67
62
66
28
32
34
36
37
30
23
54
55
47
61
67
85
76
87
86
96
93
89
67

Medium Clouds (% Sky Obscured)

59
67
4
0
0
0
0
0
0
0
0
10
33
100
93
100
100
99
99
100
98
99
100
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
3
12
100
97
100
100
100
49
51
100
100
100
100
100

ISS Passover

Visibility (miles)

5
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

14
32
52
0
0
0
0
0
0
0
0
0
0
1
2
25
59
50
54
77
83
59
44
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
8
11
11
11
11
11
10
9
11
12
14
15
13
14
14
14
13
14
14
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
4
3
3
3
2
2
2
2
2
2
3
3
3
4
4
4
4
5
6
6
8
9
9

Relative Humidity (%)

88
85
82
86
88
88
86
88
88
89
85
83
78
71
74
70
73
77
84
88
91
93
95
91

Pressure (mb)

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

Ozone (du)

290
291
290
292
293
290
291
287
284
282
284
283
280
278
279
278
276
271
268
267
268
271
270
269

Sunday 26

Waxing Crescent 31%

13:12

19:53

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
20 Bad
21 Bad

Sun - Rise: 06:49, Set: 16:43, Transit: 11:46. Moon - Rise: 13:12, Set: 19:53. Civil Dark: 17:18 - 06:14. Nautical Dark: 17:57 - 05:35. Astro Dark: 18:36 - 04:56

Total Clouds (% Sky Obscured)

100
100
96
55
96
97
95
97
100
91
94
97
79
93
63
71
54
66
76
71
76
74
81
94

Low Clouds (% Sky Obscured)

69
62
36
43
40
51
60
54
56
44
47
49
61
74
58
67
51
60
69
61
63
56
52
44

Medium Clouds (% Sky Obscured)

65
100
31
13
38
35
36
32
50
50
45
54
33
35
21
28
11
15
17
11
16
21
32
37

High Clouds (% Sky Obscured)

100
100
44
53
3
0
0
37
42
50
55
11
4
0
3
2
0
1
2
1
2
0
18
58

ISS Passover

Visibility (miles)

9
9
8
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

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 (%)

22
15
23
19
19
15
7
13
3
11
0
0
1
4
6
21
16
2
5
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)

16
16
16
14
14
14
14
15
15
16
15
16
18
20
19
18
17
15
13
10
9
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
6
4
4
4
4
4
2
3
3
3
4
5
7
8
8
7
7
7
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

91
87
84
90
87
88
88
84
81
77
75
73
72
70
72
71
73
69
68
72
76
82
85
87

Pressure (mb)

1004
1004
1004
1004
1003
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1006
1007
1008
1008
1009
1010
1011
1011
1011

Ozone (du)

270
271
273
274
275
276
278
279
280
282
283
280
278
277
277
276
275
275
274
273
272
271
269
268

Monday 27

Waxing Crescent 41%

13:45

21:06

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

Sun - Rise: 06:51, Set: 16:41, Transit: 11:46. Moon - Rise: 13:45, Set: 21:06. Civil Dark: 17:16 - 06:16. Nautical Dark: 17:56 - 05:36. Astro Dark: 18:34 - 04:58

Total Clouds (% Sky Obscured)

97
96
95
90
99
93
78
94
90
82
82
70
71
75
54
45
32
39
32
84
97
95
93
93

Low Clouds (% Sky Obscured)

82
94
81
80
67
57
67
93
72
69
72
54
55
62
54
45
32
39
31
44
38
34
30
23

Medium Clouds (% Sky Obscured)

47
75
37
21
27
19
21
34
16
64
62
28
57
75
18
0
0
0
0
0
12
58
46
68

High Clouds (% Sky Obscured)

68
6
55
55
47
47
29
44
61
31
38
40
55
4
2
7
1
2
11
77
78
51
26
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
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
19
15
13
6
0
0
0
1
6
41
41
25
17
1
1
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)

6
6
8
10
14
16
17
17
17
17
17
18
18
19
19
19
18
16
14
11
9
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
7
9
9
9
10
9
9
10
11
9
7
7
6
6
6
6
6
6
7
6

Relative Humidity (%)

85
85
81
81
83
88
84
90
91
87
86
87
92
79
70
67
65
65
68
76
81
84
87
85

Pressure (mb)

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

Ozone (du)

267
267
268
269
269
269
271
272
272
271
271
270
270
270
270
270
272
272
273
273
272
273
274
275

Tuesday 28

Waxing Crescent 51%

14:10

No Set

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
20 Bad
21 Bad

Sun - Rise: 06:52, Set: 16:39, Transit: 11:46. Moon - Rise: 14:10, Set: No Set. Civil Dark: 17:14 - 06:18. Nautical Dark: 17:54 - 05:38. Astro Dark: 18:33 - 04:59

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

21
18
16
14
13
25
8
1
3
3
4
31
60
73
70
74
78
70
62
52
51
50
50
65

Medium Clouds (% Sky Obscured)

68
41
56
86
93
87
79
73
52
23
55
73
87
83
99
82
68
99
76
100
99
68
47
45

High Clouds (% Sky Obscured)

9
10
40
68
100
100
100
100
100
100
100
94
88
84
91
79
98
100
100
100
94
98
92
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
0
0
2
2
0
0
0
0
1
2
1
4
10
8
5
10
13
11
10
4
15

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
90
88
85
82
84
84
90
91
91
88
84
77
73
72
70
74
75
83
86
88
91
91

Pressure (mb)

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

Ozone (du)

275
274
273
270
269
270
272
272
271
270
269
267
267
267
268
268
269
269
268
267
266
267
265
262

Wednesday 29

First Quarter 62%

14:28

22:24

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
20 Bad
21 Bad

Sun - Rise: 06:54, Set: 16:38, Transit: 11:46. Moon - Rise: 14:28, Set: 22:24. Civil Dark: 17:13 - 06:19. Nautical Dark: 17:52 - 05:40. Astro Dark: 18:31 - 05:01

Total Clouds (% Sky Obscured)

100
100
100
91
91
96
100
98
99
98
98
98
99
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
63
62
61
59
60
60
61
66
79
84
78
74
70
80
90
100
95
90
85
81
77
73
73

Medium Clouds (% Sky Obscured)

49
49
54
49
41
51
55
59
57
76
53
54
62
59
59
65
68
73
80
85
91
95
98
99

High Clouds (% Sky Obscured)

100
100
100
91
90
91
95
87
78
65
48
63
69
79
86
93
99
99
100
100
100
100
99
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
7
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
Very Light Rain

Precipitation Probability (%)

21
23
29
29
26
21
14
0
1
2
2
5
6
6
15
13
10
10
13
15
29
40
52
54

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)

10
9
8
8
7
7
7
7
7
8
10
10
12
14
14
15
15
15
15
16
17
18
19
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
91
91
91
95
95
95
95
88
87
87
77
74
76
80
83
87
89
92
93
93
93

Pressure (mb)

1005
1004
1004
1004
1004
1003
1003
1003
1002
1002
1002
1002
1001
1001
1000
999
998
998
997
997
996
996
995
995

Ozone (du)

262
262
263
263
261
261
261
262
262
262
264
263
264
265
265
266
266
267
267
268
268
269
270
271

Thursday 30

Waxing Gibbous 72%

14:43

23:46

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
20 Bad
21 Bad

Sun - Rise: 06:56, Set: 16:36, Transit: 11:46. Moon - Rise: 14:43, Set: 23:46. Civil Dark: 17:11 - 06:21. Nautical Dark: 17:51 - 05:41. Astro Dark: 18:29 - 05:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
87
80
82
89
97
100

Low Clouds (% Sky Obscured)

73
73
71
68
67
62
55
52
41
33
26
27
28
21
34
47
60
63
66
69
71
73
75
84

Medium Clouds (% Sky Obscured)

99
99
99
99
99
91
82
73
88
95
98
95
93
92
91
89
88
81
81
60
56
48
49
56

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
99
99
100
100
99
99
98
92
87
80
82
81
73
74

ISS Passover

Visibility (miles)

9
9
9
8
7
5
4
2
0
1
2
3
5
7
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
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

52
52
44
37
30
58
71
70
95
95
95
95
95
76
62
47
28
56
66
73
78
84
89
93

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.4
0.2
0.6
0.9
1
0.7
0.6
0.3
0.2
0
0
0.2
0.3
0.4
0.4
0.5
0.6
0.6

Wind Speed/Direction (mph)

22
23
25
24
22
21
18
15
14
12
12
13
12
11
10
9
8
7
7
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
98
96
96
96
98
100
96
95
93
93
91
90
86
83
80
83
87
91
90
90
88

Pressure (mb)

994
994
994
994
995
995
995
996
996
997
998
999
999
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001

Ozone (du)

274
276
279
280
282
283
283
283
283
283
284
284
284
284
284
285
286
287
284
281
278
278
278
278

Friday 31

Waxing Gibbous 82%

14:55

01:08

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: 06:58, Set: 16:34, Transit: 11:46. Moon - Rise: 14:55, Set: 01:08. Civil Dark: 17:09 - 06:22. Nautical Dark: 17:49 - 05:43. Astro Dark: 18:28 - 05:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
79
77
75
69
64

Low Clouds (% Sky Obscured)

92
97
96
96
98
87
77
69
66
64
60
61
60
58
57
57
57
52
48
37

Medium Clouds (% Sky Obscured)

75
100
76
55
37
40
33
36
42
53
57
53
53
57
48
35
19
28
38
50

High Clouds (% Sky Obscured)

76
77
80
83
84
87
88
85
73
62
55
70
83
100
74
46
14
14
15
20

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
86
73
63
53
41
28
17
1
6
8
10
11
9
1

Precipitation Amount (mm)

0.7
0.9
0.8
0.9
1
0.7
0.6
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
9
10
10
11
10
10
10
10
10
10
11
12
13
13
13
14
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
5
5
4
2
2
3
3
5
6
6
6
6
7
8
8
8
8
7

Dew Point (°C)

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

Relative Humidity (%)

88
88
87
85
82
80
81
82
83
83
83
81
80
79
79
77
79
79
83
85

Pressure (mb)

1000
1000
1000
999
999
999
999
999
999
1000
1001
1002
1002
1003
1004
1004
1005
1006
1006
1007

Ozone (du)

278
278
279
278
278
277
278
279
280
281
283
284
282
281
279
278
276
274
273
273

Forecast for Great Missenden, Buckinghamshire, United Kingdom (51.70,-0.70)

Generated: 25/10/25 22:35:27. Forecast: 25/10/25 to 31/10/25. Timezone: UTC+1.00