Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waning Crescent 4%

06:27

17:08

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:37, Set: 17:59, Transit: 12:47. Moon - Rise: 06:27, Set: 17:08. Civil Dark: 18:33 - 07:02. Nautical Dark: 19:12 - 06:23. Astro Dark: 19:51 - 05:45

Total Clouds (% Sky Obscured)

99
98
100
100
100
100
100
100
100
100
100
100
83
25
54
65
81
79
82
98
100
91
95
90

Low Clouds (% Sky Obscured)

46
61
65
85
84
83
100
99
97
90
93
90
65
25
54
65
81
79
82
73
81
84
75
71

Medium Clouds (% Sky Obscured)

83
94
82
100
100
100
100
100
100
100
43
49
0
0
0
0
0
1
6
33
92
87
93
89

High Clouds (% Sky Obscured)

87
98
81
99
100
100
100
100
100
80
30
30
30
0
0
0
0
0
61
33
32
12
24
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
7
4
4
9
7
2
4
9
9
9
9
9
9
9
5
5
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

8
33
69
49
61
81
95
95
95
95
95
62
34
16
2
0
0
1
2
8
39
54
39
42

Precipitation Amount (mm)

0
0
0.5
0
0.2
0.3
1.6
2.4
1.9
1.2
1.3
0.2
0
0
0
0
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

9
10
11
12
15
15
17
17
17
17
15
15
12
10
8
8
9
9
9
10
10
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
76
87
92
95
93
92
95
95
93
95
96
95
93
95
96
96
98
96
96
95
95
89

Pressure (mb)

1008
1007
1006
1005
1004
1003
1001
1000
999
998
998
997
997
997
997
997
996
996
995
995
994
993
992
991

Ozone (du)

271
271
272
271
271
273
272
274
277
283
284
283
284
289
294
296
297
300
295
293
296
298
299
300

Monday 20

Waning Crescent 1%

07:40

17:18

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:38, Set: 17:57, Transit: 12:47. Moon - Rise: 07:40, Set: 17:18. Civil Dark: 18:31 - 07:04. Nautical Dark: 19:10 - 06:25. Astro Dark: 19:49 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
87
81
85
79
87
96
90
84
80
73
84
80
89
84

Low Clouds (% Sky Obscured)

80
73
85
67
71
76
83
78
62
84
77
71
75
74
81
92
81
74
73
61
68
67
77
78

Medium Clouds (% Sky Obscured)

100
100
100
95
100
64
27
48
29
21
24
17
17
20
20
27
29
19
7
19
27
51
71
62

High Clouds (% Sky Obscured)

0
93
100
100
100
100
100
100
100
87
27
11
3
0
0
0
0
2
1
0
3
4
64
48

ISS Passover

Visibility (miles)

9
4
2
4
2
3
7
4
7
9
8
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
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

77
95
95
95
95
81
88
66
61
91
77
30
14
2
16
8
1
0
0
5
11
0
0
26

Precipitation Amount (mm)

0.4
1
3.1
0.7
1
0.5
0.6
0.3
0.2
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
14
16
17
17
17
16
15
14
12
12
13
15
16
15
16
16
15
15
15
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

991
990
989
988
987
986
986
985
984
984
984
984
985
986
986
987
988
988
989
989
989
990
990
990

Ozone (du)

300
299
297
298
295
299
300
300
303
302
299
298
299
297
296
294
290
291
291
289
287
286
285
282

Tuesday 21

New Moon 0%

No Rise

17:30

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:40, Set: 17:55, Transit: 12:47. Moon - Rise: No Rise, Set: 17:30. Civil Dark: 18:30 - 07:06. Nautical Dark: 19:09 - 06:27. Astro Dark: 19:47 - 05:48

Total Clouds (% Sky Obscured)

86
95
96
97
98
82
56
78
58
66
63
51
63
56
65
58
60
73
84
94
96
96
99
88

Low Clouds (% Sky Obscured)

73
82
67
56
57
61
50
60
58
63
63
51
63
56
53
49
47
45
45
45
41
37
34
33

Medium Clouds (% Sky Obscured)

72
89
93
96
96
81
10
16
6
9
0
0
2
0
0
0
1
34
71
53
53
83
87
81

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
23
3
1
5
48
23
23
35
36
46
62
78
97
70

ISS Passover

Visibility (miles)

7
9
9
9
9
8
9
8
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

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

Precipitation Probability (%)

58
36
43
44
57
52
44
39
22
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
12
14
14
15
16
17
17
17
17
16
16
15
14
14
13
12
11
10
9
8
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
91
90
89
87
82
82
78
82
83
84
83
83
88
90
90
93
93
95
95
96
95
95
95

Pressure (mb)

990
990
991
991
991
991
992
992
992
993
993
994
995
996
996
997
997
997
998
998
998
998
998
998

Ozone (du)

280
281
284
288
290
292
290
290
288
288
287
282
281
281
282
280
277
275
275
277
280
279
278
280

Wednesday 22

Waxing Crescent 1%

08:53

17:44

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:42, Set: 17:53, Transit: 12:47. Moon - Rise: 08:53, Set: 17:44. Civil Dark: 18:28 - 07:07. Nautical Dark: 19:07 - 06:28. Astro Dark: 19:45 - 05:50

Total Clouds (% Sky Obscured)

77
65
75
87
100
100
100
100
100
100
100
99
99
98
99
99
100
94
88
84
89
94
98
97

Low Clouds (% Sky Obscured)

59
53
57
58
60
68
76
87
86
86
84
91
91
96
92
88
85
84
84
83
65
69
66
79

Medium Clouds (% Sky Obscured)

70
56
53
54
65
79
91
96
42
39
57
95
95
90
40
20
2
4
5
6
59
82
96
91

High Clouds (% Sky Obscured)

37
3
34
61
90
97
100
95
100
100
100
82
52
45
33
43
65
47
47
15
15
20
20
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
0
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

0
1
1
0
0
17
35
49
74
93
95
95
89
77
61
43
22
29
25
15
8
17
24
79

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.6
0.8
0.6
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0.5

Wind Speed/Direction (mph)

6
5
5
6
6
7
7
8
9
10
10
11
12
13
15
15
16
17
18
18
18
17
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
88
81
77
80
86
87
89
90
90
95
95
93
96
96
96
98
98
93
93
93
93
90
93

Pressure (mb)

999
999
999
999
998
998
997
996
995
995
994
993
993
992
992
991
990
989
989
989
989
989
988
988

Ozone (du)

281
282
284
288
290
292
292
291
292
291
289
290
292
288
287
287
287
286
284
283
284
285
285
286

Thursday 23

Waxing Crescent 4%

10:07

18:02

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

Sun - Rise: 07:44, Set: 17:51, Transit: 12:47. Moon - Rise: 10:07, Set: 18:02. Civil Dark: 18:26 - 07:09. Nautical Dark: 19:05 - 06:30. Astro Dark: 19:43 - 05:51

Total Clouds (% Sky Obscured)

95
94
85
75
64
67
73
84
68
47
26
57
36
10
4
3
0
4
8
12
23
34
44
46

Low Clouds (% Sky Obscured)

87
90
81
75
62
64
71
75
61
44
26
33
18
4
3
1
0
4
8
12
23
32
40
42

Medium Clouds (% Sky Obscured)

86
83
68
14
0
11
20
32
37
29
0
36
29
10
4
3
0
4
8
3
2
1
1
1

High Clouds (% Sky Obscured)

15
15
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
2
9
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
Very Light Rain
Very Light Rain
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

Precipitation Probability (%)

77
80
80
69
52
42
37
33
25
17
0
0
0
0
0
1
0
1
3
0
1
2
0
1

Precipitation Amount (mm)

0.4
0.3
0.3
0.3
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)

13
14
19
21
21
24
23
21
19
16
15
13
15
14
13
12
12
11
12
12
14
14
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
8
7
6
5
4
5
5
4
4
4
4
4
4
3
4
3
2
2
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

98
96
87
81
75
68
66
64
68
67
69
70
72
73
74
74
75
77
77
77
75
74
74
73

Pressure (mb)

988
988
988
988
990
991
992
993
994
995
996
997
996
997
998
998
998
999
999
998
998
998
998
998

Ozone (du)

287
290
292
298
300
302
303
301
302
305
308
311
312
313
314
313
312
311
313
315
316
316
315
314

Friday 24

Waxing Crescent 8%

11:20

18:27

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:45, Set: 17:49, Transit: 12:46. Moon - Rise: 11:20, Set: 18:27. Civil Dark: 18:24 - 07:11. Nautical Dark: 19:03 - 06:32. Astro Dark: 19:42 - 05:53

Total Clouds (% Sky Obscured)

48
50
67
83
100
99
98
98
98
99
100
100
100
100
99
98
93
93
88
88
80
71
66
66

Low Clouds (% Sky Obscured)

44
45
46
49
52
63
67
77
80
87
90
93
93
93
89
85
77
74
71
68
67
66
65
65

Medium Clouds (% Sky Obscured)

0
0
3
7
15
15
39
48
53
54
50
40
30
25
19
9
13
16
19
17
9
5
0
4

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
3
4
4
5
3
2
1
1
0
0
14
26
39
26
13
0
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
1
1
0
8
14
19
38
50
55
60
61
58
50
44
41
33
23
0
3
3
2
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
19
21
23
25
27
26
27
27
25
24
22
21
19
17
16
16
16
16
16
16
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
3
3
4
7
6
5
5
5
5
4
5
5
5
5
5
5
5
5
4
3
3

Dew Point (°C)

3
3
3
4
5
5
6
6
6
6
6
6
7
7
7
7
6
6
6
5
5
5
4
4

Relative Humidity (%)

69
68
66
65
64
63
65
67
71
72
76
78
81
84
87
87
84
84
84
82
82
79
77
74

Pressure (mb)

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

Ozone (du)

314
314
313
313
312
311
309
307
305
302
299
296
299
303
307
308
309
310
308
307
306
302
298
294

Saturday 25

Waxing Crescent 15%

12:28

19:03

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 OK
21 Bad
22 OK
23 OK
00 OK

Sun - Rise: 06:47, Set: 17:47, Transit: 12:46. Moon - Rise: 12:28, Set: 19:03. Civil Dark: 18:22 - 06:13. Nautical Dark: 19:01 - 05:33. Astro Dark: 19:40 - 04:54

Total Clouds (% Sky Obscured)

66
66
63
61
56
48
51
66
76
75
75
67
47
46
39
37
36

Low Clouds (% Sky Obscured)

65
65
61
57
53
47
40
35
33
28
21
18
15
12
12
13
16

Medium Clouds (% Sky Obscured)

8
12
31
51
56
48
51
65
65
55
65
57
47
43
36
29
22

High Clouds (% Sky Obscured)

0
0
2
5
4
5
11
10
4
3
3
5
4
3
2
3
6

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
16
28
31
29
28
24
18
16
12
1
2
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
3
4
4
4
6
6
6
6
6
6
2
2
2
2
1

Dew Point (°C)

5
5
6
6
5
5
5
4
4
4
4
4
4
3
4
3
3

Relative Humidity (%)

77
78
81
77
73
69
68
67
66
70
77
82
86
89
96
93
93

Pressure (mb)

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

Ozone (du)

294
293
293
295
296
298
297
297
297
299
300
302
305
308
312
312
313

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

Generated: 19/10/25 08:59:28. Forecast: 19/10/25 to 26/10/25. Timezone: UTC+1.00