Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 28%

11:26

22:03

15 Good
16 Good
17 Good
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

Sun - Rise: 08:15, Set: 16:05, Transit: 12:10. Moon - Rise: 11:26, Set: 22:03. Civil Dark: 16:45 - 07:35. Nautical Dark: 17:28 - 06:52. Astro Dark: 18:09 - 06:11

Total Clouds (% Sky Obscured)

0
0
0
45
48
74
83
91
86
81
74
76
77
75
80
84
91
95
95
95
94
92
96
89

Low Clouds (% Sky Obscured)

0
0
0
37
42
66
83
91
86
81
74
76
77
75
80
84
91
95
95
95
94
92
95
89

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
0
0
0
0
0
0
0
0
0
0
0
0
18
3
0
0
70
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
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
0
0
0
0
0
3
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)

19
18
17
16
15
14
12
12
12
12
11
11
10
10
10
10
10
10
10
11
12
12
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
61
62
63
64
65
66
68
69
72
72
74
76
76
76
78
78
80
78
74
73
71
69
71

Pressure (mb)

1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1029
1029

Ozone (du)

358
357
355
354
357
363
364
362
361
361
360
360
358
357
356
355
357
360
361
364
368
368
367
366

Friday 26

Waxing Crescent 39%

11:37

23:22

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

Sun - Rise: 08:15, Set: 16:06, Transit: 12:11. Moon - Rise: 11:37, Set: 23:22. Civil Dark: 16:46 - 07:35. Nautical Dark: 17:29 - 06:52. Astro Dark: 18:10 - 06:11

Total Clouds (% Sky Obscured)

86
86
87
88
86
84
82
91
93
92
87
85
83
76
53
47
70
83
87
89
83
78
82
73

Low Clouds (% Sky Obscured)

86
86
87
88
86
84
82
91
93
92
87
85
83
75
53
47
70
83
87
89
83
78
82
73

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
2
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
6
15
18
13
9
8
5
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
77
80
82
85
86
86
86
85
85
85
82
83
82
82
80
80
81
82
80
80
79
79
79

Pressure (mb)

1030
1030
1031
1031
1032
1032
1033
1033
1033
1034
1034
1034
1034
1034
1034
1034
1035
1035
1035
1035
1035
1035
1034
1034

Ozone (du)

364
360
354
350
348
345
342
336
333
330
328
326
323
320
318
316
316
314
314
313
312
312
311
309

Saturday 27

First Quarter 50%

11:50

00:43

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:15, Set: 16:06, Transit: 12:11. Moon - Rise: 11:50, Set: 00:43. Civil Dark: 16:46 - 07:35. Nautical Dark: 17:30 - 06:52. Astro Dark: 18:10 - 06:11

Total Clouds (% Sky Obscured)

77
85
87
86
87
82
87
92
93
95
99
54
49
69
64
67
71
89
64
70
78
84
87
87

Low Clouds (% Sky Obscured)

77
84
86
85
87
81
87
91
91
93
98
54
49
69
64
67
57
60
61
61
65
81
83
84

Medium 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
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
5
11
28
2
16
48
66
11
15
27
19
3
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
84
79
81
79
78
78
76
76
75
82
90
91
93
93
94
94
93
89
85
83
78
74

Pressure (mb)

1034
1034
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1034
1033
1033

Ozone (du)

309
308
308
308
309
307
306
305
305
305
304
304
303
302
302
301
300
298
297
298
298
300
301
302

Sunday 28

Waxing Gibbous 61%

12:05

02:07

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

Sun - Rise: 08:15, Set: 16:07, Transit: 12:12. Moon - Rise: 12:05, Set: 02:07. Civil Dark: 16:47 - 07:35. Nautical Dark: 17:30 - 06:52. Astro Dark: 18:11 - 06:11

Total Clouds (% Sky Obscured)

89
91
94
91
88
84
46
43
32
30
35
36
37
42
38
39
43
39
42
42
38
54
66
68

Low Clouds (% Sky Obscured)

86
90
93
86
80
74
46
43
32
30
35
36
37
42
38
39
43
39
42
42
38
54
66
68

Medium 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
0
0

High Clouds (% Sky Obscured)

3
2
2
0
0
1
0
1
1
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
0
0
1
1
1
1
1
2

Relative Humidity (%)

74
72
72
71
71
72
75
82
85
86
89
89
89
91
91
93
93
93
93
88
85
80
79
80

Pressure (mb)

1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1031
1031
1031
1031
1031
1030
1030

Ozone (du)

302
301
303
303
303
306
307
309
311
310
312
312
310
310
308
307
306
303
299
299
299
298
295
295

Monday 29

Waxing Gibbous 72%

12:24

03:36

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:15, Set: 16:08, Transit: 12:12. Moon - Rise: 12:24, Set: 03:36. Civil Dark: 16:48 - 07:35. Nautical Dark: 17:31 - 06:52. Astro Dark: 18:12 - 06:11

Total Clouds (% Sky Obscured)

67
64
58
67
73
76
80
90
93
95
97
98
95
92
87
82
91
99
99
99
99
94
92
89

Low Clouds (% Sky Obscured)

67
64
58
67
73
76
80
86
88
91
94
96
91
85
80
39
50
65
68
67
63
58
50
42

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
13
20
25
26

High Clouds (% Sky Obscured)

0
0
0
7
12
18
14
10
6
12
20
27
22
21
19
37
55
74
92
95
94
90
84
72

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
1
3
4
4
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
89
89
91
91
93
93
93
80
76
72
71
71
68
71
71
72
73
76
73
73
72
75
78

Pressure (mb)

1030
1030
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033
1032

Ozone (du)

294
291
288
285
287
288
288
287
283
282
282
281
282
281
280
277
279
280
282
284
287
289
295
302

Tuesday 30

Waxing Gibbous 82%

12:52

05:09

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

Sun - Rise: 08:15, Set: 16:09, Transit: 12:13. Moon - Rise: 12:52, Set: 05:09. Civil Dark: 16:49 - 07:35. Nautical Dark: 17:32 - 06:52. Astro Dark: 18:13 - 06:12

Total Clouds (% Sky Obscured)

91
84
73
57
46
30
28
25
26
26
30
27
26
26
29
23
18
23
47
61
66
76
86
95

Low Clouds (% Sky Obscured)

34
26
12
9
5
1
7
11
12
9
6
4
8
13
19
15
10
5
18
33
49
50
53
51

Medium Clouds (% Sky Obscured)

29
27
15
10
5
5
4
2
1
7
14
26
26
26
29
23
18
16
19
26
31
27
21
12

High Clouds (% Sky Obscured)

72
72
73
57
46
30
28
25
26
26
30
27
26
26
29
23
18
23
35
30
22
43
64
85

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
83
86
86
86
86
88
89
88
89
89
89
89
91
89
89
89
88
81
76
71
71
73

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027

Ozone (du)

308
311
315
318
318
318
318
320
322
323
325
327
329
331
332
334
336
338
340
341
342
343
346
349

Wednesday 31

Waxing Gibbous 91%

13:34

06:39

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: 08:15, Set: 16:10, Transit: 12:13. Moon - Rise: 13:34, Set: 06:39. Civil Dark: 16:50 - 07:35. Nautical Dark: 17:33 - 06:52. Astro Dark: 18:14 - 06:12

Total Clouds (% Sky Obscured)

89
84
68
70
76
88
92
95
97
87
80
77
82
88
86
95
94
96
96
96
96

Low Clouds (% Sky Obscured)

59
70
68
66
49
34
50
64
79
68
55
37
25
25
26
27
25
25
47
68
88

Medium Clouds (% Sky Obscured)

11
11
10
12
13
23
39
49
56
61
67
76
72
73
65
70
67
70
66
63
65

High Clouds (% Sky Obscured)

76
64
44
47
43
36
40
45
51
32
19
0
0
0
5
5
10
25
39
46
51

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
1
1
0
1
1
0
1
3
3
2
1
0
1
3
3
18
24
28

Precipitation Amount (mm)

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)

2
2
2
1
2
2
2
3
4
5
6
6
7
7
8
8
9
10
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
77
79
81
83
83
84
83
83
83
79
76
73
76
77
80
80
79
78
76
74

Pressure (mb)

1026
1026
1025
1025
1024
1024
1023
1023
1022
1021
1021
1020
1019
1018
1017
1016
1016
1015
1015
1015
1014

Ozone (du)

352
347
341
336
336
336
336
339
342
345
353
360
368
373
378
383
379
375
372
370
369

Forecast for Rangeworthy, South Gloucestershire, United Kingdom (51.58,-2.45)

Generated: 25/12/25 15:07:46. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+0.00