Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 9

Waning Gibbous 67%

21:18

12:02

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:58, Set: 15:52, Transit: 11:55. Moon - Rise: 21:18, Set: 12:02. Civil Dark: 16:32 - 07:18. Nautical Dark: 17:16 - 06:35. Astro Dark: 17:56 - 05:54

Total Clouds (% Sky Obscured)

89
83
85
87
96
100
100
100
100
65
69
72
62
59
63
59
58
72
59
61
56
51
50
51

Low Clouds (% Sky Obscured)

60
70
30
33
29
43
49
44
50
62
68
71
60
57
63
59
58
72
59
61
56
51
50
51

Medium Clouds (% Sky Obscured)

58
65
82
53
37
32
14
3
2
1
1
23
2
0
0
0
0
0
1
4
0
0
0
0

High Clouds (% Sky Obscured)

4
3
28
55
31
100
100
97
100
62
65
70
62
59
50
21
0
0
0
0
0
0
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
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
2
3
0
0
0
0
0
0
0
0
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)

17
18
18
16
16
15
15
14
14
14
13
14
13
12
12
12
13
13
15
15
16
15
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
80
81
84
84
87
85
87
90
90
91
88
90
90
91
91
91
88
83
83
81
83
84
87

Pressure (mb)

1001
1002
1003
1004
1005
1006
1007
1008
1008
1008
1009
1009
1010
1010
1011
1012
1013
1014
1014
1015
1015
1016
1016
1017

Ozone (du)

284
284
285
285
284
284
285
285
287
286
286
288
293
294
297
299
301
302
305
316
320
319
318
318

Wednesday 10

Waning Gibbous 57%

22:38

12:14

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:59, Set: 15:52, Transit: 11:56. Moon - Rise: 22:38, Set: 12:14. Civil Dark: 16:32 - 07:19. Nautical Dark: 17:16 - 06:36. Astro Dark: 17:56 - 05:55

Total Clouds (% Sky Obscured)

44
50
72
64
60
48
48
69
53
51
99
74
76
57
50
63
56
75
84
95
93
73
97
97

Low Clouds (% Sky Obscured)

44
50
63
54
50
45
46
47
45
45
55
69
76
57
50
63
56
75
83
90
93
73
83
80

Medium Clouds (% Sky Obscured)

0
3
8
10
60
48
48
6
2
20
55
8
24
10
3
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
1
5
64
60
48
48
69
53
48
87
24
10
6
3
1
1
0
2
22
4
0
66
70

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
3
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
93
95
94
93
90
91
91
91
93
94
94
96
96
96
94
93
90
88
87
87
90
95

Pressure (mb)

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

Ozone (du)

317
315
317
316
311
307
306
304
302
302
302
301
299
301
300
301
299
298
296
295
293
292
291
291

Thursday 11

Third Quarter 46%

23:54

12:25

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:00, Set: 15:52, Transit: 11:56. Moon - Rise: 23:54, Set: 12:25. Civil Dark: 16:32 - 07:20. Nautical Dark: 17:16 - 06:37. Astro Dark: 17:56 - 05:56

Total Clouds (% Sky Obscured)

83
76
88
87
77
99
100
100
98
100
100
100
100
100
100
97
100
100
100
98
96
95
92
88

Low Clouds (% Sky Obscured)

65
65
82
60
65
81
74
81
86
78
74
87
74
82
81
79
100
100
93
89
85
79
65
15

Medium Clouds (% Sky Obscured)

0
0
0
0
1
28
35
96
98
100
78
54
84
15
20
21
30
38
38
42
73
36
34
35

High Clouds (% Sky Obscured)

39
21
45
45
47
99
100
100
62
100
100
100
100
100
98
48
72
78
96
75
37
15
10
5

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
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
1
0
0
0
0
0
0
2
8
33
76
95
68
45
36
21
5
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.3
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
94
96
94
94
96
96
95
95
95
96
95
96
96
90
82
87
91
93
91
90
90

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1017
1018
1018
1019

Ozone (du)

294
296
300
307
307
304
303
302
305
306
307
306
309
310
310
311
313
314
316
316
317
320
321
323

Friday 12

Waning Crescent 36%

01:07

12:35

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

Sun - Rise: 08:01, Set: 15:52, Transit: 11:57. Moon - Rise: 01:07, Set: 12:35. Civil Dark: 16:33 - 07:21. Nautical Dark: 17:16 - 06:38. Astro Dark: 17:57 - 05:57

Total Clouds (% Sky Obscured)

84
90
95
85
56
33
8
7
4
3
17
32
43
55
64
74
81
82
85
90
96
88
82
84

Low Clouds (% Sky Obscured)

0
5
10
16
15
11
7
6
4
3
16
27
38
33
32
31
44
58
68
65
62
59
54
51

Medium Clouds (% Sky Obscured)

34
28
14
5
4
5
2
2
0
0
4
9
15
22
33
43
49
53
45
45
44
35
38
41

High Clouds (% Sky Obscured)

10
40
68
85
56
30
0
1
0
0
0
0
0
0
0
1
15
32
49
59
85
88
82
84

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
0
0
0
0
0
0
0
0
0
2
3
15
23
26
33
39
30
25
21

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
5
4
4
4
4
5
5
5
5
6
6
7
7
8
9
10
12
14
15
15
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
2
3
2
3
3
3
3
3
3
3
3
3
3
3
3
3
4
5
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

90
88
90
89
89
91
93
91
93
91
91
93
91
91
93
91
90
87
84
81
80
81
85
91

Pressure (mb)

1020
1021
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1024
1024
1023
1023
1023
1022
1022

Ozone (du)

327
330
331
330
332
336
338
349
365
361
363
365
364
357
352
352
352
347
343
338
335
330
325
320

Saturday 13

Waning Crescent 27%

02:19

12:45

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:02, Set: 15:52, Transit: 11:57. Moon - Rise: 02:19, Set: 12:45. Civil Dark: 16:33 - 07:22. Nautical Dark: 17:16 - 06:39. Astro Dark: 17:57 - 05:58

Total Clouds (% Sky Obscured)

87
93
100
100
100
100
100
100
100
100
100
100
100
74
67
60
67
74
82
80
78
77
82
86

Low Clouds (% Sky Obscured)

45
52
58
65
73
82
90
90
95
95
95
90
85
73
66
58
66
74
82
80
78
77
82
86

Medium Clouds (% Sky Obscured)

40
52
56
55
60
60
60
57
50
52
55
67
65
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
89
100
100
72
44
16
47
75
99
91
88
96
27
22
18
14
13
14
10
6
2
3
3

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

Precipitation Probability (%)

3
29
38
38
48
53
48
30
23
17
49
75
95
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0
0
0
0
0.4
0.7
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
5
4
4
5
5
6
6
5
6
6
6
6
2
2
2
1
1
1
6
6
5
6

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
91
91
93
93
93
95
91
91
91
91
90
90
91
93
91
91
90
88
85
82
88

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1023
1023
1023
1022
1022
1021
1021
1020
1019
1019

Ozone (du)

316
314
314
312
310
307
305
302
301
301
301
302
303
303
301
298
296
295
295
294
295
296
298
301

Sunday 14

Waning Crescent 19%

03:31

12:58

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:03, Set: 15:53, Transit: 11:58. Moon - Rise: 03:31, Set: 12:58. Civil Dark: 16:33 - 07:23. Nautical Dark: 17:16 - 06:39. Astro Dark: 17:57 - 05:58

Total Clouds (% Sky Obscured)

91
92
93
93
95
98
100
100
100
100
96
92
88
87
87
86
80
73
68
74
80
85
88
91

Low Clouds (% Sky Obscured)

90
87
84
81
77
76
75
75
64
61
67
78
82
86
86
86
79
72
68
71
74
77
78
79

Medium Clouds (% Sky Obscured)

0
4
4
7
6
8
15
15
40
50
37
20
2
2
3
3
2
1
0
0
0
0
11
22

High Clouds (% Sky Obscured)

4
3
1
0
15
29
43
35
30
24
16
10
1
5
11
16
22
29
42
54
65
71
73
75

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
4
5
5
8
8
12
27
40
39
34
24
3
4
1
0
2
2
1
2
2
1
1
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)

12
11
11
11
11
12
12
12
12
12
12
12
11
11
11
11
11
13
13
14
15
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
96
96
94
96
95
93
95
93
93
93
91
91
93
91
93
91
90
88
87
88
90
91
90

Pressure (mb)

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

Ozone (du)

305
309
312
315
319
319
319
319
321
324
326
328
331
333
330
327
324
320
316
311
311
311
310
310

Monday 15

Waning Crescent 12%

04:44

13:14

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

Sun - Rise: 08:04, Set: 15:53, Transit: 11:58. Moon - Rise: 04:44, Set: 13:14. Civil Dark: 16:33 - 07:23. Nautical Dark: 17:16 - 06:40. Astro Dark: 17:57 - 05:59

Total Clouds (% Sky Obscured)

94
96
98
99
99
99
99
100
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
85
89
91
80
68
57
65
74
84
87
90
95
96
96
96
92
86
80

Medium Clouds (% Sky Obscured)

33
27
21
15
15
16
20
30
42
52
51
57
48
58
66
74
75
76
77

High Clouds (% Sky Obscured)

81
70
69
73
78
84
95
69
45
15
40
70
100
74
48
22
19
20
61

ISS Passover

Visibility (miles)

9
9
9
9
9
8
6
4
6
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
0
0

Precipitation Type

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

Precipitation Probability (%)

1
4
2
1
5
6
2
6
11
19
40
65
79
75
71
58
58
59
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
93
93
93
95
96
96
98
96
96
98
96
96
95
91
93
93

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013

Ozone (du)

310
309
310
311
312
314
317
319
316
314
312
308
304
299
301
303
305
307
308

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

Generated: 09/12/25 17:29:10. Forecast: 09/12/25 to 15/12/25. Timezone: UTC+0.00