Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 34%

12:32

21:29

23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Good
06 OK
07 OK
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

Sun - Rise: 07:40, Set: 15:59, Transit: 11:50. Moon - Rise: 12:32, Set: 21:29. Civil Dark: 16:38 - 07:02. Nautical Dark: 17:20 - 06:20. Astro Dark: 18:00 - 05:39

Total Clouds (% Sky Obscured)

10
16
23
27
23
14
10
18
23
84
95
56
71
60
60
59
70
88
94
94
100
100
100
100

Low Clouds (% Sky Obscured)

10
16
23
27
23
6
0
0
0
0
8
0
0
0
0
0
59
60
87
88
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
3
6
6
8
10
0
32
24
29
13
20
24
38
23
25
31
30
37
33
36

High Clouds (% Sky Obscured)

0
1
3
3
3
3
6
3
0
35
35
4
68
29
27
42
32
48
12
7
10
16
80
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
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
9
24
24
43

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
94
92
94
92
92
91
91
89
83
79
75
73
76
79
86
89
85
82
82
85
90

Pressure (mb)

1021
1022
1021
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1020
1020
1019
1019
1019
1018

Ozone (du)

291
286
285
283
282
285
284
285
285
283
280
277
276
274
273
272
272
270
270
268
268
267
265
263

Wednesday 26

Waxing Crescent 44%

12:48

22:49

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
22 Bad

Sun - Rise: 07:42, Set: 15:59, Transit: 11:50. Moon - Rise: 12:48, Set: 22:49. Civil Dark: 16:37 - 07:03. Nautical Dark: 17:19 - 06:21. Astro Dark: 18:00 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
99
99
100
100
100
100
100
100
100
95
94
97
88
100
100
99

Low Clouds (% Sky Obscured)

100
100
98
95
100
80
75
84
89
88
100
100
100
77
73
63
75
73
87
94
84
95
100
88

Medium Clouds (% Sky Obscured)

44
47
34
32
37
37
79
73
86
49
42
80
85
43
39
42
42
22
24
12
2
19
41
20

High Clouds (% Sky Obscured)

100
100
100
90
67
100
100
100
66
89
100
100
100
97
98
100
97
81
48
16
57
77
67
78

ISS Passover

Visibility (miles)

9
5
9
2
0
0
0
0
0
9
9
9
9
9
9
9
9
9
4
3
1
9
6
9

Fog (%)

0
0
32
52
6
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

48
42
32
32
6
15
6
9
7
2
1
0
0
1
3
2
7
41
50
8
31
10
41
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
98
98
96
96
98
98
98
95
95
91
88
90
93
92
96
95
95
96
98
93
96
96

Pressure (mb)

1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

262
262
262
261
261
260
259
257
258
257
258
259
259
259
259
260
260
260
257
255
254
253
253
254

Thursday 27

Waxing Crescent 55%

13:01

No Set

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
22 Bad

Sun - Rise: 07:43, Set: 15:58, Transit: 11:51. Moon - Rise: 13:01, Set: No Set. Civil Dark: 16:37 - 07:04. Nautical Dark: 17:19 - 06:22. Astro Dark: 17:59 - 05:42

Total Clouds (% Sky Obscured)

98
91
95
96
89
100
99
51
97
100
100
100
91
77
74
81
92
89
48
56
82
89
79
74

Low Clouds (% Sky Obscured)

91
70
70
45
41
29
27
23
33
30
30
28
35
55
56
55
59
51
45
47
49
50
41
36

Medium Clouds (% Sky Obscured)

10
18
36
29
16
40
59
22
84
92
99
69
15
0
10
16
25
35
0
2
58
58
44
62

High Clouds (% Sky Obscured)

73
76
79
77
70
38
27
37
49
43
44
100
83
35
0
0
2
1
2
2
15
13
8
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
None
None
None
None
None
None
None

Precipitation Probability (%)

6
1
0
0
0
0
0
0
0
0
0
0
0
14
17
36
91
18
7
2
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
90
91
93
95
95
94
96
93
91
88
85
82
81
78
80
87
81
87
91
93
94
94

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1010
1009
1009
1008
1009
1009
1010
1010
1010
1010
1010

Ozone (du)

256
258
261
263
267
269
266
267
267
268
271
271
274
278
276
278
281
282
284
285
286
287
287
289

Friday 28

First Quarter 66%

13:12

00:08

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
22 Bad

Sun - Rise: 07:45, Set: 15:57, Transit: 11:51. Moon - Rise: 13:12, Set: 00:08. Civil Dark: 16:36 - 07:06. Nautical Dark: 17:18 - 06:23. Astro Dark: 17:59 - 05:43

Total Clouds (% Sky Obscured)

64
69
73
76
71
68
65
75
88
100
100
100
100
100
100
100
100
86
85
90
90
80
81
97

Low Clouds (% Sky Obscured)

32
35
40
76
62
58
55
57
55
58
54
55
53
62
67
81
75
76
70
70
70
70
69
73

Medium Clouds (% Sky Obscured)

57
55
46
42
45
35
45
63
79
70
100
100
100
100
100
100
77
60
50
50
50
40
45
90

High Clouds (% Sky Obscured)

10
10
5
5
8
15
23
48
74
100
73
91
100
100
100
100
100
66
65
70
80
80
81
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
3
7
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
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
2
3
0
1
1
6
24
56
85
72
32
59
87
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.7
0.4
0
0.2
0.6
1
1.3
1.7
1.8
1.6
1.5
1.4
1.2
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
91
90
90
90
88
91
93
86
83
81
82
83
86
89
91
93
91
91
89

Pressure (mb)

1010
1009
1009
1008
1008
1007
1006
1006
1005
1005
1004
1004
1004
1003
1003
1002
1001
1001
1001
1000
1000
1000
1000
999

Ozone (du)

290
293
294
295
296
297
299
301
304
307
308
311
317
324
328
332
335
339
343
347
350
350
348
347

Saturday 29

Waxing Gibbous 77%

13:24

01:30

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 OK
21 Bad
22 Bad

Sun - Rise: 07:46, Set: 15:56, Transit: 11:51. Moon - Rise: 13:24, Set: 01:30. Civil Dark: 16:35 - 07:07. Nautical Dark: 17:18 - 06:25. Astro Dark: 17:58 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
96
93
89
86
82
86
89
93
88
83
79
65
51
37
58
79

Low Clouds (% Sky Obscured)

74
93
91
100
91
84
81
85
86
88
85
84
82
84
86
87
84
81
79
65
51
37
34
31

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
87
35
26
18
12
1
4
6
7
4
3
1
0
0
0
0
0

High Clouds (% Sky Obscured)

91
96
94
86
85
85
85
53
25
0
0
0
0
0
0
0
0
0
0
0
0
0
18
37

ISS Passover

Visibility (miles)

9
9
9
9
2
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
89
84
68
53
38
26
19
17
20
18
16
14
13
12
9
5
0
0
0

Precipitation Amount (mm)

1.3
0.8
1.1
1.6
0.8
0.6
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
18
18
20
16
18
18
18
17
17
17
16
15
14
14
13
13
12
11
10
9
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
2
3
2
2
2
2
3
2
3
4
4
4
4
4
4
4
4
3
3
2
2

Relative Humidity (%)

89
86
88
86
93
82
82
82
82
85
82
82
85
86
86
85
85
88
90
94
94
94
96
94

Pressure (mb)

999
999
999
1000
1000
1001
1002
1002
1003
1004
1005
1005
1006
1007
1007
1008
1008
1009
1010
1010
1011
1011
1012
1012

Ozone (du)

350
353
353
353
353
351
350
350
348
346
343
339
339
344
347
350
353
347
341
336
333
330
327
323

Sunday 30

Waxing Gibbous 86%

13:38

02:55

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
22 Bad

Sun - Rise: 07:48, Set: 15:56, Transit: 11:52. Moon - Rise: 13:38, Set: 02:55. Civil Dark: 16:35 - 07:08. Nautical Dark: 17:17 - 06:26. Astro Dark: 17:58 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
98
96
88
92
91
91
89
93
98
99
99
99
99
100
100
99
97
95
96
98

Low Clouds (% Sky Obscured)

29
19
10
3
12
17
22
42
60
78
83
87
98
99
99
99
99
100
100
94
89
83
76
68

Medium Clouds (% Sky Obscured)

0
8
23
45
41
42
42
23
14
15
29
39
51
56
58
59
73
86
99
95
92
88
94
96

High Clouds (% Sky Obscured)

55
61
71
71
88
93
88
86
75
64
44
24
4
4
4
4
33
67
100
71
50
40
63
83

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
5
3
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
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
1
4
2
0
1
13
27
28
29
19
13
12
13
30
43
55
86
95
95
95
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.7
0.6
0.4

Wind Speed/Direction (mph)

3
2
1
1
2
3
4
5
6
7
9
10
11
12
13
13
13
14
15
16
15
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
93
91
91
91
91
91
88
85
81
81
84
85
87
90
93
95
96
96
98

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1009
1009
1008
1007
1006
1005
1005
1004
1003
1002
1001
1000
1000

Ozone (du)

318
314
311
309
306
303
299
295
292
289
286
283
279
276
273
270
268
268
268
269
270
271
273
271

Monday 1

Waxing Gibbous 94%

13:55

04:25

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: 07:49, Set: 15:55, Transit: 11:52. Moon - Rise: 13:55, Set: 04:25. Civil Dark: 16:34 - 07:10. Nautical Dark: 17:17 - 06:27. Astro Dark: 17:57 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
88
76
66
78
89
99
86
74
70
71
71
74

Low Clouds (% Sky Obscured)

63
64
66
66
65
70
72
69
69
66
74
78
82
71
62
53
55
57
50

Medium Clouds (% Sky Obscured)

97
98
99
99
100
100
100
88
76
66
78
89
96
84
70
54
42
39
40

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
82
67
55
68
80
93
68
41
11
12
13
13

ISS Passover

Visibility (miles)

1
1
2
3
4
3
2
2
2
3
4
3
3
2
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

28
26
33
45
81
95
95
95
95
95
95
78
64
68
64
49
35
21
2

Precipitation Amount (mm)

0
0
0
0
0.5
1
1.7
1.5
1.4
1.2
0.7
0.5
0.3
0.4
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
95
95
95
96
96
96
98
98
96
95
93
90
88
85
85
85

Pressure (mb)

999
999
999
998
998
997
997
997
997
997
997
997
997
998
998
998
999
999
1000

Ozone (du)

270
269
268
266
265
264
264
263
265
268
270
273
277
280
285
290
295
298
301

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

Generated: 25/11/25 23:27:44. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+0.00