Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

First Quarter 55%

13:13

00:10

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
17 Bad

Sun - Rise: 07:43, Set: 16:00, Transit: 11:51. Moon - Rise: 13:13, Set: 00:10. Civil Dark: 16:38 - 07:05. Nautical Dark: 17:20 - 06:23. Astro Dark: 18:00 - 05:43

Total Clouds (% Sky Obscured)

71
78
81
100
100
100
100
98
96
96
99
100
100
100
100
100
100
100
100
100
53
46
68
49

Low Clouds (% Sky Obscured)

30
31
0
28
41
60
73
73
82
90
84
100
100
100
100
100
73
73
80
75
53
46
68
49

Medium Clouds (% Sky Obscured)

8
51
81
100
100
100
100
90
94
80
45
75
100
73
83
100
100
100
100
71
53
2
0
0

High Clouds (% Sky Obscured)

71
78
81
100
100
100
100
0
28
39
52
95
100
97
100
100
100
100
100
100
48
45
45
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
6
4
3
2
6
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
2
29
48
49
53
62
68
95
95
95
95
95
95
53
39
26
16
5
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.2
0.6
1
1.7
1.5
2.1
2.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
85
82
85
87
88
87
87
87
88
87
90
88
90
93
93
93
90
85
82
81
85
90

Pressure (mb)

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

Ozone (du)

278
279
281
284
285
288
289
291
290
290
293
294
296
298
299
301
304
308
313
318
324
331
331
331

Saturday 29

Waxing Gibbous 66%

13:25

01:31

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

Sun - Rise: 07:45, Set: 15:59, Transit: 11:52. Moon - Rise: 13:25, Set: 01:31. Civil Dark: 16:38 - 07:06. Nautical Dark: 17:20 - 06:24. Astro Dark: 18:00 - 05:44

Total Clouds (% Sky Obscured)

44
23
51
53
50
77
81
91
89
74
5
0
0
0
0
0
0
0
0
0
29
55
35
42

Low Clouds (% Sky Obscured)

44
23
51
53
50
77
70
84
81
70
5
0
0
0
0
0
0
0
0
0
22
23
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
2
0
11
14
15
2
0
0
0
0
0
0
0
0
0
0
6
23
17
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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
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)

7
7
7
7
7
8
10
12
12
9
9
7
8
8
7
7
7
8
7
7
6
4
4
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
93
93
94
83
79
88
93
94
88
86
88
85
77
75
72
70
67
74
80
83

Pressure (mb)

1005
1005
1006
1006
1007
1008
1009
1009
1011
1012
1013
1013
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

335
343
349
352
349
347
344
341
338
337
339
337
339
343
346
345
339
336
332
330
326
322
317
313

Sunday 30

Waxing Gibbous 77%

13:39

02:55

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
17 Bad

Sun - Rise: 07:46, Set: 15:58, Transit: 11:52. Moon - Rise: 13:39, Set: 02:55. Civil Dark: 16:37 - 07:07. Nautical Dark: 17:19 - 06:25. Astro Dark: 17:59 - 05:45

Total Clouds (% Sky Obscured)

99
100
98
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

28
32
48
53
59
75
88
98
100
97
100
94
99
90
87
99
100
85
82
77
74
78
83
88

Medium Clouds (% Sky Obscured)

39
34
64
83
60
38
100
100
100
100
99
100
79
32
37
98
97
100
100
100
100
100
100
92

High Clouds (% Sky Obscured)

20
21
64
100
30
100
100
100
100
100
88
87
100
100
100
100
100
100
100
100
100
77
52
31

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
Very Light Rain

Precipitation Probability (%)

1
1
2
5
5
25
38
43
54
67
75
71
69
95
95
65
64
41
57
20
10
33
52
71

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
6
6
7
8
9
9
12
15
16
17
18
20
21
22
21
20
20
19
19
20
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
90
90
88
90
90
88
77
80
81
81
80
84
85
85
87
87
87
89
86
87
87
86

Pressure (mb)

1017
1016
1016
1015
1014
1014
1013
1012
1011
1010
1009
1008
1007
1006
1006
1005
1005
1004
1003
1003
1002
1001
1001
1000

Ozone (du)

308
304
302
299
296
294
291
285
283
280
279
276
273
272
271
269
268
267
266
265
263
260
261
261

Monday 1

Waxing Gibbous 86%

13:57

04:25

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
17 Bad

Sun - Rise: 07:47, Set: 15:58, Transit: 11:53. Moon - Rise: 13:57, Set: 04:25. Civil Dark: 16:37 - 07:09. Nautical Dark: 17:19 - 06:26. Astro Dark: 17:59 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
95
93
85
77
69
63
45
47
65
84
100
98
99
99

Low Clouds (% Sky Obscured)

89
90
92
80
67
53
62
66
69
66
66
64
63
69
62
38
37
36
46
61
67
60
74
54

Medium Clouds (% Sky Obscured)

92
91
85
86
91
93
100
100
100
34
64
29
24
15
50
42
1
1
21
36
84
90
98
97

High Clouds (% Sky Obscured)

29
23
24
47
75
100
70
37
10
10
10
15
15
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
8
9
9
9
9
8
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

85
94
95
95
95
76
94
95
95
87
66
55
45
52
20
26
31
28
31
30
21
29
30
7

Precipitation Amount (mm)

0.5
0.6
0.5
0.8
0.7
0.4
0.7
0.8
0.9
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
22
22
22
19
17
16
16
16
17
16
15
13
12
9
7
10
11
12
11
10
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
83
83
81
80
78
81
85
85
88
87
81
87
87
79
78
78
74
72
69
77
84
88

Pressure (mb)

1000
999
999
998
998
998
998
998
998
997
997
998
998
999
1000
1001
1002
1003
1003
1004
1004
1004
1005
1006

Ozone (du)

261
263
264
265
266
266
266
265
266
269
272
279
279
280
281
283
284
287
289
290
291
292
290
290

Tuesday 2

Waxing Gibbous 94%

14:21

05:59

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 OK
14 OK
15 OK
16 Bad
17 Bad

Sun - Rise: 07:49, Set: 15:57, Transit: 11:53. Moon - Rise: 14:21, Set: 05:59. Civil Dark: 16:36 - 07:10. Nautical Dark: 17:18 - 06:28. Astro Dark: 17:59 - 05:48

Total Clouds (% Sky Obscured)

81
67
57
62
66
68
68
68
65
70
72
74
70
58
51
55
53
53
49
45
41
41
41
41

Low Clouds (% Sky Obscured)

55
51
51
57
63
68
66
65
64
67
70
74
70
58
51
54
53
49
49
45
41
41
41
41

Medium Clouds (% Sky Obscured)

42
21
33
48
50
28
31
29
5
5
16
8
40
27
22
44
53
53
49
45
40
36
27
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
1
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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
5
6
5
5
5
4
4
4
4
4
4
4
5
5
6
6
6
6
6
5

Relative Humidity (%)

91
91
90
91
90
91
91
90
90
90
90
91
90
90
90
90
87
81
78
81
85
87
90
90

Pressure (mb)

1006
1007
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010

Ozone (du)

292
294
297
299
300
300
302
304
305
306
307
305
306
309
313
316
316
315
315
314
313
312
312
312

Wednesday 3

Waxing Gibbous 98%

14:57

07:34

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
17 Bad

Sun - Rise: 07:50, Set: 15:57, Transit: 11:53. Moon - Rise: 14:57, Set: 07:34. Civil Dark: 16:36 - 07:11. Nautical Dark: 17:18 - 06:29. Astro Dark: 17:58 - 05:49

Total Clouds (% Sky Obscured)

51
59
68
69
71
73
80
87
93
94
94
93
96
98
100
100
100
100
100
99
99
98
95
88

Low Clouds (% Sky Obscured)

51
59
65
61
57
54
51
47
50
57
57
58
62
72
76
86
93
100
86
72
58
39
19
0

Medium Clouds (% Sky Obscured)

41
51
59
47
35
22
18
13
15
34
49
67
77
84
90
93
96
99
80
62
47
39
30
24

High Clouds (% Sky Obscured)

7
15
23
23
21
19
34
50
66
55
43
33
36
46
62
70
76
81
77
72
67
67
69
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

11
10
9
17
16
10
17
16
11
16
13
10
14
22
32
76
95
95
95
82
54
36
21
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
1
0.8
0.5
0
0
0
0

Wind Speed/Direction (mph)

3
4
4
5
5
5
6
6
6
6
8
9
11
12
14
15
14
14
14
11
9
7
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
4
4
4
4
3
3
4
5
5
5
5
5
5
5
5
5
4

Relative Humidity (%)

91
93
93
96
94
94
94
94
94
93
91
86
83
84
85
85
82
79
77
77
77
77
81
84

Pressure (mb)

1010
1010
1010
1009
1009
1008
1007
1006
1005
1005
1004
1003
1002
1001
1000
999
998
997
996
997
997
997
997
998

Ozone (du)

312
311
310
309
310
310
311
310
309
309
307
306
305
308
310
313
320
328
335
340
345
351
352
354

Thursday 4

Full Moon 100%

15:49

09:01

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 OK
07 OK
08 OK
09 OK
10 Bad
11 Bad

Sun - Rise: 07:51, Set: 15:57, Transit: 11:54. Moon - Rise: 15:49, Set: 09:01. Civil Dark: 16:36 - 07:12. Nautical Dark: 17:18 - 06:30. Astro Dark: 17:58 - 05:50

Total Clouds (% Sky Obscured)

78
68
59
60
64
69
69
75
76
73
68
65
46
30
17
39
58
75

Low Clouds (% Sky Obscured)

13
26
38
40
44
51
60
62
67
64
57
40
26
21
16
20
19
24

Medium Clouds (% Sky Obscured)

28
36
45
54
62
68
56
45
38
49
65
65
46
28
0
9
17
26

High Clouds (% Sky Obscured)

49
38
25
25
25
27
15
10
10
10
9
8
5
3
0
6
12
24

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
86
86
86
88
88
86
85
83
83
82
82
82
82
82
80
79

Pressure (mb)

998
998
999
999
999
1000
1000
1000
1000
1000
1001
1001
1001
1001
1002
1002
1002
1002

Ozone (du)

355
367
379
391
393
395
397
396
395
394
387
380
373
365
356
347
343
338

Forecast for Crondall, Hampshire, United Kingdom (51.23,-0.86)

Generated: 28/11/25 18:19:17. Forecast: 28/11/25 to 04/12/25. Timezone: UTC+0.00