Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 11

Third Quarter 46%

00:02

12:32

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:07, Set: 16:01, Transit: 12:04. Moon - Rise: 00:02, Set: 12:32. Civil Dark: 16:41 - 07:27. Nautical Dark: 17:24 - 06:44. Astro Dark: 18:04 - 06:03

Total Clouds (% Sky Obscured)

94
96
89
100
100
85
96
80
100
99
99
100
100
100
100
100
100
100
84
83
96
78
100
96

Low Clouds (% Sky Obscured)

88
63
66
83
78
73
78
74
70
54
79
89
100
97
69
57
22
0
0
0
0
0
20
5

Medium Clouds (% Sky Obscured)

30
42
70
47
72
41
8
6
100
94
93
100
100
100
48
87
40
62
75
40
38
28
17
30

High Clouds (% Sky Obscured)

3
0
35
100
100
73
92
58
78
94
87
83
100
100
99
100
100
100
82
75
7
17
100
34

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
2
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
25
23
14
19
13
10
15
39
75
95
79
52
15
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.8
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
10
10
11
11
11
11
11
11
11
11
11
11
11
10
10
9
9
9
10
10
10
9

Feels Like (°C)

8
7
8
8
7
7
8
8
7
8
7
7
8
8
8
8
7
7
7
7
6
8
8
6

Dew Point (°C)

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

Relative Humidity (%)

87
85
88
91
88
88
87
87
90
88
85
88
88
90
90
90
95
95
91
85
77
74
72
73

Pressure (mb)

1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1012
1012
1013
1014
1016
1016
1017
1018
1018
1019

Ozone (du)

307
307
309
308
304
302
301
299
300
300
299
301
304
308
310
313
316
316
318
318
318
319
320
319

Friday 12

Waning Crescent 36%

01:15

12:42

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 OK
07 Good
08 Good
09 Good
10 Good
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:08, Set: 16:01, Transit: 12:04. Moon - Rise: 01:15, Set: 12:42. Civil Dark: 16:41 - 07:28. Nautical Dark: 17:24 - 06:45. Astro Dark: 18:05 - 06:04

Total Clouds (% Sky Obscured)

100
96
62
69
96
100
98
69
66
60
60
59
59
57
30
0
0
0
0
82
80
83
100
100

Low Clouds (% Sky Obscured)

0
38
46
61
57
54
54
55
56
60
60
59
59
57
30
0
0
0
0
7
7
28
39
40

Medium Clouds (% Sky Obscured)

33
29
15
8
92
100
92
14
8
0
0
0
0
0
0
0
0
0
0
0
1
1
0
28

High Clouds (% Sky Obscured)

50
82
4
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
80
78
70
100
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
3
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
4
4
4
4
5
4
4
4
5
5
4
5
4
5
5
4
5
6
8
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
84
88
91
93
91
93
91
91
91
91
91
91
93
94
93
93
91
88
82
80
78
81
85

Pressure (mb)

1020
1021
1022
1023
1024
1024
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1028
1027
1027
1026
1026

Ozone (du)

318
321
321
322
321
322
325
332
346
366
380
367
359
354
348
344
344
342
338
334
330
324
320
319

Saturday 13

Waning Crescent 27%

02:26

12:54

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:08, Set: 16:01, Transit: 12:05. Moon - Rise: 02:26, Set: 12:54. Civil Dark: 16:41 - 07:29. Nautical Dark: 17:24 - 06:46. Astro Dark: 18:05 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
94
95
89
96
100
97
99
97
94
100
97
100
87
96
91
100
92
79
84
99

Low Clouds (% Sky Obscured)

39
29
22
22
22
19
23
24
30
27
22
28
33
41
40
40
24
27
28
30
38
44
49
56

Medium Clouds (% Sky Obscured)

55
50
40
38
47
94
22
86
86
87
85
97
93
91
91
85
66
80
74
46
18
13
3
47

High Clouds (% Sky Obscured)

100
96
92
79
74
51
51
74
100
67
87
63
61
54
78
100
64
33
68
100
85
64
66
93

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
1
0
0
0
3
13
14
18
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
6
6
6
6
6
6
6
7
7
6
7
7
7
7
7
7
8
8

Relative Humidity (%)

88
88
87
85
85
85
84
84
84
84
82
84
84
84
84
85
85
84
82
80
75
78
83
87

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1022
1022
1022
1021
1020
1020
1020
1019
1019
1019
1018
1017
1016
1015

Ozone (du)

318
313
308
307
305
304
304
302
300
298
298
298
297
296
297
298
300
301
301
301
301
299
298
297

Sunday 14

Waning Crescent 19%

03:38

13:06

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:09, Set: 16:01, Transit: 12:05. Moon - Rise: 03:38, Set: 13:06. Civil Dark: 16:41 - 07:29. Nautical Dark: 17:24 - 06:46. Astro Dark: 18:05 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
99
99
99
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
91
93
100

Low Clouds (% Sky Obscured)

62
65
66
69
72
81
91
100
98
96
95
94
93
93
92
91
91
92
93
93
88
78
72
71

Medium Clouds (% Sky Obscured)

40
10
26
39
56
62
64
70
70
70
70
70
70
70
59
59
58
58
44
30
18
9
0
0

High Clouds (% Sky Obscured)

100
100
78
53
34
53
77
100
96
100
95
95
90
75
65
65
62
57
57
57
73
90
82
64

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

Precipitation Probability (%)

1
3
5
5
20
34
48
73
79
91
95
95
95
95
95
95
95
95
87
74
73
63
18
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.6
0.5
0.6
0.9
0.7
0.8
1.4
1.1
1
1
0.7
0.5
0.5
0.3
0.3
0
0

Wind Speed/Direction (mph)

14
15
15
14
14
15
15
14
14
15
14
14
13
13
13
12
11
11
12
12
13
13
13
14

Chance of Frost

Temperature (°C)

10
11
11
10
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
81
76
77
85
83
79
80
93
86
81
81
80
80
78
81
84
83
81
84
84
83
81
84

Pressure (mb)

1015
1014
1013
1013
1012
1011
1011
1010
1010
1009
1008
1008
1007
1007
1006
1006
1006
1005
1005
1005
1004
1004
1004
1004

Ozone (du)

296
295
297
299
300
300
302
302
304
306
309
311
317
326
334
342
348
349
344
333
320
309
304
303

Monday 15

Waning Crescent 12%

04:51

13:22

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
12 Bad
13 Bad
14 OK
15 OK

Sun - Rise: 08:10, Set: 16:01, Transit: 12:06. Moon - Rise: 04:51, Set: 13:22. Civil Dark: 16:41 - 07:30. Nautical Dark: 17:24 - 06:47. Astro Dark: 18:05 - 06:06

Total Clouds (% Sky Obscured)

100
100
95
100
100
100
100
97
100
95
100
100
100
100
89
84
74
68
64
60
53
43
36
38

Low Clouds (% Sky Obscured)

67
63
62
61
61
59
57
56
60
63
69
69
69
69
52
43
40
51
55
56
49
40
30
31

Medium Clouds (% Sky Obscured)

3
49
25
81
89
99
100
84
100
68
67
81
96
95
89
84
74
68
64
60
53
43
36
30

High Clouds (% Sky Obscured)

67
67
73
99
100
78
90
71
68
89
100
100
100
100
55
35
25
5
0
10
19
22
29
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
3
3
3
3
5
7
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

22
15
9
16
21
37
51
56
56
57
58
60
73
84
92
87
82
83
82
75
54
32
5
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.4
0.5
0.6
0.5
0.5
0.6
0.6
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
81
86
87
86
88
90
92
92
93
95
93
91
96
93
93
91
88
87
84
85
85
87

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1004
1004
1004
1004
1005
1005
1007
1008
1009
1010
1011
1011
1012
1013

Ozone (du)

298
298
298
301
308
310
310
311
314
316
316
317
317
315
309
307
304
301
314
326
338
341
344
347

Tuesday 16

Waning Crescent 7%

06:04

13:44

16 Bad
17 OK
18 OK
19 OK
20 Good
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
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

Sun - Rise: 08:11, Set: 16:02, Transit: 12:06. Moon - Rise: 06:04, Set: 13:44. Civil Dark: 16:42 - 07:31. Nautical Dark: 17:25 - 06:48. Astro Dark: 18:05 - 06:07

Total Clouds (% Sky Obscured)

39
25
17
14
8
10
11
14
20
28
31
48
67
87
91
96
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
25
17
14
8
10
11
10
6
5
3
5
10
17
16
17
17
41
60
76
84
92
100
100

Medium Clouds (% Sky Obscured)

17
2
1
1
0
0
0
0
0
0
0
0
1
1
27
52
76
77
82
83
89
94
100
100

High Clouds (% Sky Obscured)

15
3
2
0
0
0
0
0
20
28
31
48
67
87
91
96
100
100
100
100
75
50
25
30

ISS Passover

Visibility (miles)

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

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 (%)

3
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
14
34
65
86
94
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.6
0.9
1

Wind Speed/Direction (mph)

5
5
4
4
4
4
4
4
4
5
5
6
7
7
8
10
11
13
14
16
18
18
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
90
90
90
90
90
89
91
91
89
89
88
88
86
84
82
84
84
85
85
87
88

Pressure (mb)

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

Ozone (du)

351
355
358
355
352
349
342
334
327
322
318
314
311
309
306
304
301
299
297
295
294
293
293
292

Wednesday 17

Waning Crescent 3%

07:14

14:14

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: 08:11, Set: 16:02, Transit: 12:07. Moon - Rise: 07:14, Set: 14:14. Civil Dark: 16:42 - 07:31. Nautical Dark: 17:25 - 06:48. Astro Dark: 18:06 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
94
89
85
84
85
87
91
89
95
94
93
93
91
90

Low Clouds (% Sky Obscured)

100
100
95
90
85
82
79
77
75
72
63
42
30
19
18
16
16
17
17
21

Medium Clouds (% Sky Obscured)

100
100
82
63
51
60
61
61
59
57
60
40
21
0
12
23
33
37
38
45

High Clouds (% Sky Obscured)

42
54
58
70
80
62
38
15
5
5
0
0
0
5
5
10
25
35
40
45

ISS Passover

Visibility (miles)

5
6
8
6
5
3
5
7
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
94
71
49
15
13
13
7
10
7
0
1
0
0

Precipitation Amount (mm)

0.8
0.8
0.7
0.8
1.2
1
0.9
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
19
20
19
19
19
14
10
7
6
7
7
7
7
7
7
6
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
91
91
93
91
90
88
88
88
88
88
88
90
88
90
90
88
88

Pressure (mb)

1008
1007
1007
1006
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1008
1008
1008
1008

Ozone (du)

294
295
296
297
298
299
301
302
304
305
305
306
304
303
302
299
295
292
289
286

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

Generated: 11/12/25 16:10:14. Forecast: 11/12/25 to 17/12/25. Timezone: UTC+0.00