Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 25%

12:13

20:11

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

Sun - Rise: 07:40, Set: 16:00, Transit: 11:50. Moon - Rise: 12:13, Set: 20:11. Civil Dark: 16:39 - 07:02. Nautical Dark: 17:21 - 06:20. Astro Dark: 18:01 - 05:39

Total Clouds (% Sky Obscured)

45
50
55
67
76
73
62
47
41
39
41
41
32
26
18
18
13
7
9
12
49
92
74
96

Low Clouds (% Sky Obscured)

45
50
55
67
76
73
62
47
41
39
41
41
32
26
18
18
13
7
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
4
3
0
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
26
38
34
32

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
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)

10
12
12
11
11
10
9
9
8
7
7
6
6
5
5
4
4
3
3
2
2
2
2
3

Chance of Frost

Temperature (°C)

6
6
6
6
5
5
4
4
3
2
2
2
1
1
1
0
0
-0
-0
-0
-1
-1
0
1

Feels Like (°C)

2
3
2
2
2
2
1
1
1
1
-0
0
0
-0
-1
-1
-1
-2
-1
-1
-1
-1
-0
0

Dew Point (°C)

3
3
3
3
3
3
2
2
1
1
1
1
1
0
-1
-1
-1
-1
-1
-1
-2
-2
-2
-1

Relative Humidity (%)

80
78
79
81
82
86
88
89
89
93
93
94
94
94
92
92
94
94
92
92
92
91
87
83

Pressure (mb)

1015
1015
1015
1016
1016
1017
1018
1019
1019
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1023
1024
1023

Ozone (du)

302
304
306
307
302
300
299
296
294
295
296
296
294
290
287
286
284
286
285
287
286
284
282
282

Wednesday 26

Waxing Crescent 34%

12:32

21:29

11 Bad
12 Bad
13 OK
14 OK
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

Sun - Rise: 07:42, Set: 15:59, Transit: 11:50. Moon - Rise: 12:32, Set: 21:29. Civil Dark: 16:38 - 07:03. Nautical Dark: 17:20 - 06:21. Astro Dark: 18:00 - 05:41

Total Clouds (% Sky Obscured)

89
71
44
43
86
86
95
88
95
100
100
100
100
100
100
100
100
95
99
99
100
99
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
64
73
83
95
100
100
100
100
99
86
93
100
91
76
70
82
81
72
86

Medium Clouds (% Sky Obscured)

31
24
11
15
31
38
43
44
49
42
44
51
41
46
40
36
35
23
36
83
83
75
86
58

High Clouds (% Sky Obscured)

89
70
44
33
52
55
65
33
14
16
34
100
100
100
100
98
92
64
60
68
89
80
96
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
2
1
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
55
14
1
1
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
1
9
8
10
4
10
32
46
25
7
15
19
25
29
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)

4
5
7
8
7
7
7
8
8
9
9
10
10
11
11
11
10
10
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
1
1
2
1
0
1
2
3
3
3
3
3
3
4
4
5
5
6
6
5
6
7

Dew Point (°C)

-1
0
0
2
2
2
2
3
3
4
4
4
5
5
6
7
8
8
9
9
10
9
9
10

Relative Humidity (%)

77
76
75
80
85
88
88
89
89
91
85
85
84
84
85
88
90
91
95
96
98
96
98
98

Pressure (mb)

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

Ozone (du)

281
278
278
278
276
274
274
272
270
269
267
266
265
265
265
264
262
261
259
258
258
258
259
259

Thursday 27

Waxing Crescent 44%

12:48

22:49

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:43, Set: 15:59, Transit: 11:50. Moon - Rise: 12:48, Set: 22:49. Civil Dark: 16:37 - 07:04. Nautical Dark: 17:19 - 06:22. Astro Dark: 18:00 - 05:42

Total Clouds (% Sky Obscured)

100
100
99
99
100
99
98
100
100
97
100
100
98
95
63
87
97
87
96
94
93
92
87
81

Low Clouds (% Sky Obscured)

87
72
70
65
63
75
78
94
91
90
96
100
94
87
52
38
29
5
17
17
18
20
20
21

Medium Clouds (% Sky Obscured)

38
60
51
98
99
98
94
100
100
7
16
15
25
5
0
3
20
30
36
34
34
32
51
69

High Clouds (% Sky Obscured)

94
97
83
89
95
50
62
68
42
51
81
46
61
66
63
82
75
54
30
28
17
15
23
32

ISS Passover

Visibility (miles)

0
0
9
9
9
9
5
5
9
9
0
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
10
6
10
28
75
94
57
22
10
13
13
22
3
1
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.8
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
12
13
13
14
14
14
15
14
14
12
11
9
8
7
6
5
5
5
5
6
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
91
87
86
86
93
95
95
95
96
95
95
92
95
95
96
96
94
94
96
98
96
93

Pressure (mb)

1016
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012

Ozone (du)

259
258
259
260
261
260
259
257
257
255
254
254
257
262
265
267
269
269
271
271
272
273
275
279

Friday 28

First Quarter 55%

13:01

00:08

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:45, Set: 15:58, Transit: 11:51. Moon - Rise: 13:01, Set: 00:08. Civil Dark: 16:37 - 07:06. Nautical Dark: 17:19 - 06:23. Astro Dark: 17:59 - 05:43

Total Clouds (% Sky Obscured)

56
48
51
52
65
81
100
92
84
75
72
69
69
71
74
77
81
85
89
92
96
100
100
100

Low Clouds (% Sky Obscured)

19
23
29
35
38
43
38
47
58
63
63
59
63
60
60
59
64
69
70
66
58
58
70
81

Medium Clouds (% Sky Obscured)

0
7
16
24
36
54
56
39
20
48
60
54
49
45
53
57
67
73
86
90
94
99
68
49

High Clouds (% Sky Obscured)

41
26
14
0
0
3
15
15
15
20
28
19
35
45
45
43
51
59
71
78
85
95
97
88

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
6
9
6
0
1

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

Precipitation Probability (%)

0
0
0
2
35
54
71
56
41
1
0
0
0
0
1
4
32
58
53
26
5
12
36
48

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
7
7
7
6
5
3
3
3
3
2
2
2
1
1
1
1
1
1
1
-2
-2
-1

Dew Point (°C)

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

Relative Humidity (%)

90
84
80
78
81
87
90
93
94
94
94
96
94
91
90
88
88
90
90
91
91
93
96
94

Pressure (mb)

1012
1011
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1007
1006
1006
1005
1004
1003
1003
1004
1004
1004

Ozone (du)

280
281
280
282
284
286
288
289
290
293
295
297
300
302
304
306
308
309
309
314
320
327
332
337

Saturday 29

Waxing Gibbous 66%

13:12

01:30

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:46, Set: 15:57, Transit: 11:51. Moon - Rise: 13:12, Set: 01:30. Civil Dark: 16:36 - 07:07. Nautical Dark: 17:18 - 06:25. Astro Dark: 17:59 - 05:44

Total Clouds (% Sky Obscured)

99
94
87
86
92
99
100
98
92
89
95
98
100
100
100
100
96
92
88
87
86
85
79
73

Low Clouds (% Sky Obscured)

93
82
84
86
91
91
90
87
88
85
89
88
88
84
80
77
77
78
79
81
83
85
79
73

Medium Clouds (% Sky Obscured)

84
78
62
55
66
92
100
93
70
42
52
92
99
90
78
61
42
31
14
7
3
0
0
0

High Clouds (% Sky Obscured)

80
80
85
85
85
85
85
53
25
0
0
0
0
0
0
0
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

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

Precipitation Probability (%)

63
86
95
95
95
95
95
95
95
67
58
52
37
57
49
32
21
11
2
4
1
0
3
2

Precipitation Amount (mm)

0.3
0.5
0.8
1.2
1.8
2.5
3.3
0.8
0.6
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
11
11
9
10
13
12
14
16
15
15
14
14
13
13
13
13
13
12
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
2
2
3
3
3
1
1
0
1
0
-1
-1
-1
-1
-0
-0
-1
0
0
-1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

86
82
81
79
82
83
85
85
86
89
89
89
93
91
91
93
93
91
89
89
88
86
85
80

Pressure (mb)

1004
1003
1002
1001
1000
1000
999
999
1000
1000
1001
1002
1003
1003
1004
1005
1005
1006
1006
1007
1008
1008
1009
1009

Ozone (du)

343
344
346
348
348
347
350
350
347
347
346
345
341
340
337
334
331
334
337
340
339
339
338
335

Sunday 30

Waxing Gibbous 77%

13:24

02:55

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:48, Set: 15:56, Transit: 11:51. Moon - Rise: 13:24, Set: 02:55. Civil Dark: 16:35 - 07:08. Nautical Dark: 17:18 - 06:26. Astro Dark: 17:58 - 05:45

Total Clouds (% Sky Obscured)

67
78
88
99
95
91
77
90
93
96
97
98
99
94
88
84
88
91
95
94
93
90
90
90

Low Clouds (% Sky Obscured)

67
72
76
77
57
41
24
17
9
0
30
60
99
89
79
70
74
78
83
82
81
80
81
81

Medium Clouds (% Sky Obscured)

0
8
22
42
39
40
42
38
49
67
63
56
59
65
58
47
55
61
78
80
84
84
89
90

High Clouds (% Sky Obscured)

0
2
3
5
2
1
0
2
3
5
5
5
4
4
4
4
0
0
4
13
23
40
45
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
9
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

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

Precipitation Probability (%)

0
0
0
0
0
1
0
6
16
18
13
20
28
32
30
26
36
57
77
83
84
82
68
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.5
0.5
0.6
0.3
0

Wind Speed/Direction (mph)

11
11
10
9
8
7
5
4
3
4
4
4
4
5
6
7
8
9
9
10
11
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
3
3
3
3
3
3
0
0
1
0
0
-1
-1
-1
-2
-1
-1
-2
2
2
2
1

Dew Point (°C)

1
0
1
1
2
2
1
1
1
0
0
0
0
0
1
2
2
4
5
5
6
6
7
8

Relative Humidity (%)

76
71
73
76
79
82
85
86
86
85
85
86
86
88
88
86
86
90
91
93
93
94
94
96

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1007
1006
1005
1005
1003
1002
1001
1001
1000
999
998

Ozone (du)

332
329
326
323
319
317
315
312
310
307
304
301
298
295
292
289
287
283
279
276
273
271
269
268

Monday 1

Waxing Gibbous 86%

13:38

04:25

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

Sun - Rise: 07:49, Set: 15:56, Transit: 11:52. Moon - Rise: 13:38, Set: 04:25. Civil Dark: 16:35 - 07:10. Nautical Dark: 17:17 - 06:27. Astro Dark: 17:58 - 05:46

Total Clouds (% Sky Obscured)

91
81
71
60
61
61
61
61
60
62
75
88
100
98
95
90
85
79
72

Low Clouds (% Sky Obscured)

82
76
71
60
61
61
61
61
60
62
73
76
78
76
77
78
73
68
60

Medium Clouds (% Sky Obscured)

88
81
71
60
61
61
61
46
23
0
21
42
65
66
65
63
60
49
39

High Clouds (% Sky Obscured)

60
55
50
50
40
39
48
29
16
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

55
57
55
50
50
54
60
53
41
17
18
18
17
14
10
6
12
19
29

Precipitation Amount (mm)

0.2
0.2
0.2
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
14
17
21
21
21
22
21
21
21
21
20
21
20
20
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
93
90
88
87
88
87
84
80
77
77
75
75
79
82
85
85
87

Pressure (mb)

996
995
994
994
993
992
992
992
992
992
992
992
993
994
994
995
996
996
997

Ozone (du)

266
265
266
267
269
272
274
277
285
293
300
303
306
309
310
311
312
311
310

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

Generated: 25/11/25 11:22:02. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+0.00