Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waxing Gibbous 66%

13:20

01:38

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

Sun - Rise: 07:53, Set: 16:06, Transit: 11:59. Moon - Rise: 13:20, Set: 01:38. Civil Dark: 16:44 - 07:14. Nautical Dark: 17:26 - 06:32. Astro Dark: 18:07 - 05:51

Total Clouds (% Sky Obscured)

76
65
64
59
38
55
56
59
49
35
55
53
26
10
4
0
0
12
17
0
2
3
3
1

Low Clouds (% Sky Obscured)

46
42
54
59
38
39
44
49
49
35
55
41
13
0
0
0
0
12
17
0
0
0
0
0

Medium Clouds (% Sky Obscured)

25
28
2
0
1
36
6
6
0
3
6
14
3
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

65
65
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

9
9
9
9
4
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 (%)

9
11
28
33
18
4
5
14
1
4
17
9
16
15
0
0
1
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
11
11
11
10
11
14
14
10
7
6
7
8
10
9
6
7
7
6
7
6
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
6
6
4
1
1
3
5
5
4
3
1
1
2
2
2
2
2
2
2
4
5

Dew Point (°C)

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

Relative Humidity (%)

81
77
77
78
84
85
87
78
82
87
88
90
90
91
86
83
77
73
76
79
80
80
78
70

Pressure (mb)

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

Ozone (du)

330
332
334
339
345
350
354
350
345
347
350
348
336
337
338
343
345
345
341
334
329
325
321
317

Sunday 30

Waxing Gibbous 77%

13:32

03:03

12 OK
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
11 Bad

Sun - Rise: 07:54, Set: 16:05, Transit: 11:59. Moon - Rise: 13:32, Set: 03:03. Civil Dark: 16:44 - 07:15. Nautical Dark: 17:26 - 06:33. Astro Dark: 18:06 - 05:53

Total Clouds (% Sky Obscured)

37
90
63
61
76
91
100
98
100
100
100
100
100
100
100
100
100
100
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
90
63
61
60
59
27
16
39
28
78
80
89
89
90
86
85
82
88
85
73
73
83
89

Medium Clouds (% Sky Obscured)

0
0
0
0
14
19
43
71
100
100
96
100
90
100
66
100
100
91
93
100
100
100
93
57

High Clouds (% Sky Obscured)

0
1
2
1
12
70
100
86
100
100
100
100
100
100
100
100
100
100
42
100
100
74
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
5
2
2
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

9
2
15
3
7
0
0
0
0
4
43
46
63
76
84
95
95
95
95
95
95
95
91
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
1
1.2
1.2
0.8
1.3
2.3
1.6
0.5
0.7

Wind Speed/Direction (mph)

7
5
6
6
5
5
5
6
7
8
11
13
14
15
17
17
18
19
20
21
21
21
21
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
65
65
75
84
85
83
82
82
82
82
82
81
81
82
85
88
88
88
91
93
95
93
93

Pressure (mb)

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

Ozone (du)

312
310
306
303
297
294
291
290
288
286
285
281
278
277
276
273
271
269
267
267
268
266
264
262

Monday 1

Waxing Gibbous 86%

13:46

04:33

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 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:55, Set: 16:04, Transit: 12:00. Moon - Rise: 13:46, Set: 04:33. Civil Dark: 16:43 - 07:16. Nautical Dark: 17:26 - 06:34. Astro Dark: 18:06 - 05:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
100
91
72
71
47
39
44
31
31
39
52
49
55

Low Clouds (% Sky Obscured)

68
74
73
90
96
73
74
82
96
76
57
39
64
63
53
27
25
40
31
31
39
43
42
42

Medium Clouds (% Sky Obscured)

43
65
59
67
100
100
100
100
100
99
99
100
87
70
11
7
3
5
3
3
3
3
3
34

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
46
100
45
50
7
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
63
44
95
95
95
95
95
95
95
63
70
78
52
3
11
0
0
0
1
3
12
14
23

Precipitation Amount (mm)

0.6
0.3
0
1.1
2.4
1.4
1.3
1.1
0.7
0.6
0
0.3
0.4
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

22
22
23
22
22
21
20
19
20
20
21
22
13
9
10
6
6
4
3
3
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
90
90
92
92
89
90
88
90
88
90
91
91
87
88
90
87
87
88
88
90
85
85

Pressure (mb)

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

Ozone (du)

262
262
263
264
263
264
266
268
271
271
271
271
274
278
283
286
286
289
289
289
291
293
293
294

Tuesday 2

Waxing Gibbous 94%

14:03

06:07

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

Sun - Rise: 07:57, Set: 16:04, Transit: 12:00. Moon - Rise: 14:03, Set: 06:07. Civil Dark: 16:43 - 07:17. Nautical Dark: 17:25 - 06:35. Astro Dark: 18:05 - 05:55

Total Clouds (% Sky Obscured)

59
61
27
17
14
8
5
3
0
1
2
3
13
21
27
39
52
60
77
86
85
78
65
50

Low Clouds (% Sky Obscured)

37
35
27
17
14
8
5
3
0
1
2
3
13
21
27
39
40
37
35
34
33
43
50
50

Medium Clouds (% Sky Obscured)

45
45
0
0
0
0
0
0
0
0
0
0
0
0
0
23
45
57
52
50
50
30
15
0

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
5
11
15
24
35
45
39
25
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 (%)

24
12
2
1
1
0
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
85
85
88
90
90
90
91
91
93
93
93
93
93
93
93
91
91
89
89
88
83
81

Pressure (mb)

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

Ozone (du)

296
300
301
303
303
303
303
303
303
304
304
302
299
299
301
305
312
319
323
321
322
316
306
300

Wednesday 3

Waxing Gibbous 98%

14:27

07:43

12 OK
13 OK
14 Good
15 OK
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
11 Bad

Sun - Rise: 07:58, Set: 16:03, Transit: 12:00. Moon - Rise: 14:27, Set: 07:43. Civil Dark: 16:42 - 07:19. Nautical Dark: 17:25 - 06:36. Astro Dark: 18:05 - 05:56

Total Clouds (% Sky Obscured)

37
22
6
23
40
61
74
87
100
100
100
100
98
95
92
95
97
99
99
98
98
99
99
100

Low Clouds (% Sky Obscured)

37
22
5
16
26
35
35
35
35
43
51
58
58
58
58
60
63
66
66
67
68
79
86
89

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
17
71
90
85
83
79
81
84
86
90
95
99
99
98
98
81
64
50

High Clouds (% Sky Obscured)

0
2
2
22
31
36
57
72
97
98
99
100
90
81
84
93
92
94
91
77
67
59
51
53

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

6
8
5
5
4
0
0
0
0
3
3
6
14
15
14
20
22
23
47
62
75
74
67
56

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
5
4
5
5
5
5
5
5
5
6
6
7
8
9
9
11
12
14
11
11
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
81
85
90
90
90
90
88
88
86
85
87
85
85
85
84
85
85
84
84
82
82
81

Pressure (mb)

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

Ozone (du)

299
301
302
304
302
302
303
303
304
305
306
307
309
310
310
311
313
314
316
321
327
332
336
340

Thursday 4

Full Moon 100%

15:02

09:10

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

Sun - Rise: 07:59, Set: 16:03, Transit: 12:00. Moon - Rise: 15:02, Set: 09:10. Civil Dark: 16:42 - 07:20. Nautical Dark: 17:25 - 06:37. Astro Dark: 18:05 - 05:57

Total Clouds (% Sky Obscured)

99
99
99
90
76
59
56
50
40
26
15
8
6
5
6
31
58
77
79
79
81
80
78
80

Low Clouds (% Sky Obscured)

78
65
50
47
49
55
53
48
40
26
15
8
6
5
6
31
54
63
56
50
57
66
72
75

Medium Clouds (% Sky Obscured)

64
73
81
59
35
8
15
23
34
26
15
8
6
5
1
1
1
1
26
50
75
75
70
70

High Clouds (% Sky Obscured)

66
79
93
85
76
59
56
50
40
26
15
2
2
1
0
3
11
16
17
18
20
10
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 (%)

48
37
26
27
24
10
13
15
8
12
15
8
10
9
0
2
3
0
0
1
2
8
11
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
80
81
82
84
87
87
87
84
85
85
85
85
85
85
85
85
85
85
83
83
79
78

Pressure (mb)

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

Ozone (du)

344
348
352
355
361
366
372
378
384
390
390
390
391
378
365
352
345
338
331
324
317
310
305
300

Friday 5

Waning Gibbous 98%

15:55

10:17

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: 08:00, Set: 16:02, Transit: 12:01. Moon - Rise: 15:55, Set: 10:17. Civil Dark: 16:42 - 07:21. Nautical Dark: 17:24 - 06:38. Astro Dark: 18:05 - 05:58

Total Clouds (% Sky Obscured)

81
82
83
88
94
100
100
100
100
90
79
65
61
56
51
65
78
91

Low Clouds (% Sky Obscured)

77
80
82
81
79
77
72
70
61
58
54
48
38
22
4
16
27
41

Medium Clouds (% Sky Obscured)

70
70
80
80
80
80
85
90
94
72
51
29
28
28
23
28
43
58

High Clouds (% Sky Obscured)

1
1
2
34
67
95
96
97
98
71
43
15
26
32
38
52
67
81

ISS Passover

Visibility (miles)

9
8
6
4
6
8
9
9
9
9
9
9
9
9
9
9
8
6

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

33
48
61
70
75
74
95
95
95
95
81
48
49
49
50
45
40
36

Precipitation Amount (mm)

0
0
0.3
0.3
0.3
0.3
0.6
1
1.2
0.8
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
78
81
84
85
87
88
90
91
91
91
91
91
90
88
86
86
85

Pressure (mb)

1010
1009
1009
1008
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1006
1005
1005

Ozone (du)

295
293
292
290
292
295
297
300
304
307
306
306
305
305
305
305
307
309

Forecast for Bristol, Bristol, United Kingdom (51.45,-2.59)

Generated: 29/11/25 12:19:41. Forecast: 29/11/25 to 05/12/25. Timezone: UTC+0.00