Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 7%

06:06

13:38

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

Sun - Rise: 08:13, Set: 15:57, Transit: 12:05. Moon - Rise: 06:06, Set: 13:38. Civil Dark: 16:38 - 07:32. Nautical Dark: 17:21 - 06:48. Astro Dark: 18:03 - 06:07

Total Clouds (% Sky Obscured)

70
8
26
21
50
60
73
71
100
100
100
100
100
100
100
100
100
100
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
19
0
0
21
5
0
0
28
48
55
78
90
85
100
100
100
100
83
93
100
91
81
64

Medium Clouds (% Sky Obscured)

0
0
10
36
44
30
35
71
100
100
100
100
100
100
89
85
91
96
42
29
99
98
28
92

High Clouds (% Sky Obscured)

22
17
32
24
23
60
62
71
100
100
100
100
100
100
63
36
0
2
2
60
45
10
100
100

ISS Passover

Visibility (miles)

-
-
-
-
9
9
9
9
9
9
5
6
9
9
9
9
9
9
9
9
9
5
9
7

Fog (%)

-
-
-
-
56
2
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
15
52
80
86
82
67
45
37
36
30
36
65
95
95
95
76
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.5
0.5
0.5
0.3
0
0
0
0
0
0
0.9
1.1
0.6
0.3
0

Wind Speed/Direction (mph)

4
5
4
4
4
5
6
8
12
13
16
17
18
19
18
18
19
20
21
22
21
21
21
20

Chance of Frost

Temperature (°C)

-0
0
-1
-1
-0
1
2
3
4
5
6
7
8
8
9
10
10
10
11
11
11
11
12
12

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
-1
-0
1
2
2
2
4
5
6
6
7
8
9
9
10
10
10
11
10
11

Relative Humidity (%)

100
100
100
100
92
93
93
89
85
83
85
88
88
87
88
91
91
91
91
90
93
95
92
93

Pressure (mb)

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

Ozone (du)

319
315
311
308
301
298
299
298
298
299
298
297
295
295
289
288
288
290
291
292
295
299
305
305

Thursday 18

Waning Crescent 3%

07:18

14:07

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:14, Set: 15:57, Transit: 12:05. Moon - Rise: 07:18, Set: 14:07. Civil Dark: 16:38 - 07:33. Nautical Dark: 17:22 - 06:49. Astro Dark: 18:03 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
37
49
48
53
54
47
35
44
62
100
100
100
98
81
66
83
49
44
78
59
58
67
42

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
92
60
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
62
82
75
70

ISS Passover

Visibility (miles)

4
9
9
9
9
9
9
9
9
9
5
3
2
2
2
3
3
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

56
33
6
0
0
0
0
16
52
92
95
95
95
95
95
95
49
12
21
31
53
36
12
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
1
1.6
2.4
2.3
1.6
0.9
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
14
11
10
8
9
9
9
9
9
8
6
10
15
20
23
20
8
12
15
15
14
14
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
91
88
93
91
91
95
95
95
93
95
96
95
91
88
91
87
87
87
77
82
78
82

Pressure (mb)

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

Ozone (du)

307
311
309
310
306
301
293
292
298
301
300
298
291
291
294
293
311
317
321
339
357
368
370
368

Friday 19

Waning Crescent 1%

08:23

14:47

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

Sun - Rise: 08:14, Set: 15:57, Transit: 12:06. Moon - Rise: 08:23, Set: 14:47. Civil Dark: 16:38 - 07:33. Nautical Dark: 17:22 - 06:49. Astro Dark: 18:04 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
0
0
8
22
32
37
37
47
46
42
36
31
35
21
29
34
31
42
39
34
31

Low Clouds (% Sky Obscured)

0
0
0
0
0
8
22
32
37
37
47
46
42
36
31
35
21
29
34
31
42
39
34
31

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)

75
75
70
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
0
0
3
3
2
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
81
82
83
83
85
83
83
85
84
81
77
76
77
80
84
87
90
91
93
93
93
94

Pressure (mb)

1006
1007
1008
1009
1009
1010
1010
1011
1012
1013
1014
1014
1015
1014
1015
1015
1015
1015
1016
1016
1016
1016
1015
1014

Ozone (du)

362
361
362
374
378
374
372
370
365
351
340
325
318
305
305
305
300
297
292
289
288
287
288
288

Saturday 20

New Moon 0%

09:17

15:42

00 OK
01 OK
02 OK
03 OK
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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:15, Set: 15:58, Transit: 12:06. Moon - Rise: 09:17, Set: 15:42. Civil Dark: 16:39 - 07:34. Nautical Dark: 17:23 - 06:50. Astro Dark: 18:04 - 06:08

Total Clouds (% Sky Obscured)

28
26
22
27
40
51
48
44
40
65
75
79
87
92
94
84
80
90
99
99
100
99
98
98

Low Clouds (% Sky Obscured)

28
26
22
27
40
51
48
44
40
57
55
53
51
50
49
45
41
37
32
23
19
21
26
33

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
58
60
59
38
17
33
54
65
67
68
60
64
62

High Clouds (% Sky Obscured)

2
2
0
0
0
1
1
0
0
11
20
20
40
55
74
68
64
70
51
97
100
96
92
86

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
2
2
3
2
2
2
2
2
2
3
3
3
3
3
2
1
1
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

94
91
91
89
88
91
91
91
90
90
87
85
85
82
82
84
87
88
88
83
83
85
85
85

Pressure (mb)

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

Ozone (du)

289
289
290
292
292
295
300
303
304
305
306
306
307
308
312
316
316
313
316
313
315
316
319
315

Sunday 21

Waxing Crescent 2%

09:57

16:49

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:16, Set: 15:58, Transit: 12:07. Moon - Rise: 09:57, Set: 16:49. Civil Dark: 16:39 - 07:34. Nautical Dark: 17:23 - 06:50. Astro Dark: 18:05 - 06:09

Total Clouds (% Sky Obscured)

97
97
97
97
96
96
96
95
94
95
97
99
98
97
96
96
95
94
95
94
93
97
100
100

Low Clouds (% Sky Obscured)

44
58
72
78
84
89
79
67
56
61
66
71
77
84
91
86
80
75
93
87
81
75
70
64

Medium Clouds (% Sky Obscured)

77
91
92
76
86
77
79
74
74
79
91
93
94
92
89
89
89
60
54
45
38
60
82
100

High Clouds (% Sky Obscured)

67
51
45
60
65
64
70
73
80
64
39
26
44
42
49
56
59
65
85
81
78
88
96
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
5
7
9
9
6
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
Very Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

12
14
12
23
28
32
32
35
40
41
48
53
52
51
42
46
30
14
95
85
73
63
47
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0.6
0.5
0.3
0.3
0
0

Wind Speed/Direction (mph)

10
11
11
11
11
11
11
11
11
11
12
13
11
8
9
10
10
9
9
9
8
7
6
6

Chance of Frost

Temperature (°C)

6
6
6
5
5
6
6
6
6
6
7
7
7
7
7
7
7
7
6
7
7
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
85
88
91
93
93
93
93
93
90
88
93
93
88
85
88
91
93
93
94
94
94
94

Pressure (mb)

1003
1003
1003
1003
1003
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1003
1003
1003
1004
1004

Ozone (du)

316
319
323
322
325
341
345
349
356
364
366
366
364
371
380
379
379
379
383
388
393
399
401
403

Monday 22

Waxing Crescent 6%

10:26

18:05

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:16, Set: 15:59, Transit: 12:07. Moon - Rise: 10:26, Set: 18:05. Civil Dark: 16:40 - 07:35. Nautical Dark: 17:24 - 06:51. Astro Dark: 18:05 - 06:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
98
97
95
97
97
96
97
98
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

70
73
81
84
87
90
91
92
94
91
89
87
83
80
76
83
89
96
97
97
97
95
93
89

Medium Clouds (% Sky Obscured)

99
98
97
98
98
100
100
99
98
97
94
84
74
72
71
70
55
42
29
21
12
43
72
97

High Clouds (% Sky Obscured)

98
97
92
71
55
42
57
73
87
70
54
40
55
70
85
60
40
33
51
72
93
96
98
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
3
1
2
3
5
6
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

11
10
5
36
45
48
93
95
95
95
95
95
95
77
26
56
75
89
80
75
74
64
54
34

Precipitation Amount (mm)

0
0
0
0
0
0
0.6
1.1
1.6
1.4
1.2
1
0.8
0.4
0
0.2
0.4
0.6
0.5
0.4
0.5
0.3
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
93
94
94
96
96
98
98
96
94
93
91
90
88
90
91
93
94
94
94
93
94

Pressure (mb)

1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1003
1003
1003
1004
1004
1004
1005
1005

Ozone (du)

405
406
408
409
409
409
409
410
412
413
416
418
421
418
415
413
410
408
406
406
407
408
406
405

Tuesday 23

Waxing Crescent 12%

10:46

19:23

Sun - Rise: 08:16, Set: 15:59, Transit: 12:08. Moon - Rise: 10:46, Set: 19:23. Civil Dark: 16:40 - 07:35. Nautical Dark: 17:24 - 06:51. Astro Dark: 18:06 - 06:10

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Northwick, Worcestershire, United Kingdom (52.21,-2.22)

Generated: 17/12/25 04:40:44. Forecast: 17/12/25 to 23/12/25. Timezone: UTC+0.00