Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 24

Waxing Crescent 25%

12:13

No Set

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:39, Set: 16:00, Transit: 11:50. Moon - Rise: 12:13, Set: No Set. Civil Dark: 16:39 - 07:00. Nautical Dark: 17:21 - 06:18. Astro Dark: 18:01 - 05:38

Total Clouds (% Sky Obscured)

71
66
71
65
92
99
97
53
55
51
55
60
64
61
71
72
93
100
60
79
62
61
61
42

Low Clouds (% Sky Obscured)

67
66
71
63
52
13
36
43
49
49
54
60
64
61
71
72
93
100
60
79
62
61
61
42

Medium Clouds (% Sky Obscured)

0
0
0
0
19
29
32
4
6
2
3
3
5
3
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
0
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)

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
1
0
0
1
0
1
0
1
10
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
82
80
77
76
75
76
74
80
85
83
83
86
89
88
83
79
76
74
75
80
85
86
91

Pressure (mb)

1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1010
1011
1013
1014
1014
1015
1015
1015
1016
1016
1017
1018
1019
1019

Ozone (du)

310
307
300
296
299
300
298
294
296
300
303
302
298
298
298
301
301
301
297
296
296
296
295
294

Tuesday 25

Waxing Crescent 34%

12:32

20:11

20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 Good
03 Good
04 Good
05 OK
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

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

Total Clouds (% Sky Obscured)

34
39
60
53
45
26
5
1
1
17
100
100
100
100
100
100
95
97
100
100
97
91
95
100

Low Clouds (% Sky Obscured)

34
39
60
53
45
26
5
0
0
0
0
0
0
0
0
0
0
0
0
5
58
74
81
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
31
46
100
100
95
97
100
100
97
91
95
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
12
100
100
100
100
100
100
67
30
25
35
51
38
73
56

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
6

Fog (%)

0
0
0
0
0
0
0
0
0
0
5
49
60
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
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
2
17
42
67
93

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
0.3
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
93
93
93
94
94
92
92
91
91
91
86
81
79
76
77
80
82
83
83
86
89

Pressure (mb)

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

Ozone (du)

295
296
290
285
284
285
285
287
288
287
287
287
285
284
282
282
282
282
282
282
281
278
276
275

Wednesday 26

Waxing Crescent 44%

12:48

21:29

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:42, Set: 15:59, Transit: 11:50. Moon - Rise: 12:48, Set: 21:29. 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
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
99
95
91

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
94
91
92
99
95
100
96
93
91
91
90
89
89
89

Medium Clouds (% Sky Obscured)

99
100
28
29
28
23
20
13
16
19
24
71
38
30
83
67
53
58
95
66
95
93
80
64

High Clouds (% Sky Obscured)

23
98
10
92
94
95
91
59
83
97
93
91
87
98
32
87
67
58
43
54
65
80
59
33

ISS Passover

Visibility (miles)

4
5
8
9
9
9
9
9
9
8
0
0
0
0
0
9
9
4
9
9
2
9
4
0

Fog (%)

0
0
0
0
0
0
0
52
66
4
6
2
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
78
55
35
12
4
1
0
0
0
1
15
36
43
19
3
3
5
6
43
46
32
48
30

Precipitation Amount (mm)

0.9
0.4
0.2
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)

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

Chance of Frost

Temperature (°C)

5
6
6
6
7
7
7
8
8
8
8
8
9
9
9
10
11
11
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
93
94
94
94
95
95
98
98
98
98
98
98
96
96
96
95
96
96
96
96
98

Pressure (mb)

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

Ozone (du)

273
271
271
272
273
272
269
268
266
265
264
264
264
264
263
262
261
260
259
259
259
262
262
262

Thursday 27

Waxing Crescent 55%

13:01

22:49

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 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:43, Set: 15:58, Transit: 11:51. Moon - Rise: 13:01, Set: 22:49. Civil Dark: 16:37 - 07:04. Nautical Dark: 17:19 - 06:22. Astro Dark: 17:59 - 05:42

Total Clouds (% Sky Obscured)

87
90
94
100
97
94
92
94
96
98
81
64
47
45
46
47
46
42
38
42
53
67
51
45

Low Clouds (% Sky Obscured)

87
77
67
43
30
16
1
15
29
41
34
30
27
26
28
27
30
32
33
33
43
59
42
41

Medium Clouds (% Sky Obscured)

48
59
40
51
48
55
63
78
66
53
55
50
47
45
40
30
0
0
0
5
12
18
14
7

High Clouds (% Sky Obscured)

11
36
63
98
89
79
73
82
88
95
79
62
45
40
35
35
30
5
0
0
1
1
2
4

ISS Passover

Visibility (miles)

1
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 (%)

21
5
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
10
13
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
12
11
10
9
8
7
6
6
6
6
7
9
11
12
13
13
13
13
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
92
92
93
95
96
96
96
96
96
96
94
93
90
85
85
81
77
78
81
84
84
88

Pressure (mb)

1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013

Ozone (du)

259
257
257
260
262
265
268
270
269
270
270
269
270
270
273
276
276
277
278
280
283
286
289
290

Friday 28

First Quarter 66%

13:12

00:08

20 OK
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
17 Bad
18 Bad
19 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)

32
53
76
96
97
96
93
94
95
95
72
76
82
86
91
100
100
100
100
100
100
100
95
91

Low Clouds (% Sky Obscured)

32
44
52
61
59
60
61
69
78
88
58
62
66
58
50
42
37
32
27
31
34
36
40
44

Medium Clouds (% Sky Obscured)

0
9
19
29
33
72
68
84
85
89
60
76
82
72
56
41
48
57
68
68
66
60
62
64

High Clouds (% Sky Obscured)

6
33
60
86
85
78
70
51
20
15
26
26
25
42
64
83
89
94
100
100
100
100
79
54

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
1
18
49
55
63
78
63
41
25
11
0
4
4
3
20
19
12
20
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
9
9
9
10
11
12
14
15
17
17
9
8
6
6
6
6
4
3
4
4
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
93
94
91
90
88
88
91
91
90
90
90
89
83
79
75
76
81
82
85
88
89
89

Pressure (mb)

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

Ozone (du)

291
292
295
295
297
297
301
304
304
306
307
309
310
311
315
318
322
326
330
334
336
338
339
338

Saturday 29

Waxing Gibbous 77%

13:24

01:30

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 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 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)

86
91
95
100
87
74
61
55
49
44
44
45
45
42
38
33
42
51
60
52
45
39
59
79

Low Clouds (% Sky Obscured)

48
44
44
43
45
41
41
41
44
42
44
45
45
40
35
30
39
48
57
47
35
28
42
58

Medium Clouds (% Sky Obscured)

72
81
89
98
87
72
52
35
22
9
7
4
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

26
48
74
100
70
43
15
10
7
1
0
0
0
2
3
5
5
5
6
6
7
6
29
55

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 (%)

11
16
9
2
12
6
1
4
1
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)

7
7
8
8
8
8
8
8
7
7
6
6
6
6
6
7
7
7
6
6
4
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
89
89
91
91
93
91
89
89
89
89
88
88
86
85
85
86
86
88
89
91
89

Pressure (mb)

1008
1008
1009
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1015
1015
1015
1016
1016
1016
1017
1017
1018

Ozone (du)

337
336
336
335
335
335
336
336
339
341
343
343
342
341
342
343
343
339
335
331
326
322
317
315

Sunday 30

Waxing Gibbous 77%

13:38

02:55

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: 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
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
62
54
46
46
45
40
39
35
28
34
44
57
73
89
100

Medium Clouds (% Sky Obscured)

0
0
1
2
9
18
25
33
48
49
68
86
100
98
95
93

High Clouds (% Sky Obscured)

82
87
93
99
100
100
100
100
100
100
100
100
100
75
52
66

ISS Passover

Visibility (miles)

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

Fog (%)

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
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
4
14
30
42
44
42
57
76
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7

Wind Speed/Direction (mph)

2
3
3
4
5
6
6
7
8
9
10
11
12
14
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
86
88
89
91
91
91
89
88
88
86
86
88
90

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1016
1016
1015
1015
1015
1014
1014
1013
1013

Ozone (du)

313
311
308
306
303
301
298
296
292
289
285
281
277
273
272
270

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

Generated: 24/11/25 20:09:43. Forecast: 24/11/25 to 30/11/25. Timezone: UTC+0.00