Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 14

Waning Crescent 19%

03:32

12:57

16 OK
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: 08:05, Set: 15:51, Transit: 11:58. Moon - Rise: 03:32, Set: 12:57. Civil Dark: 16:32 - 07:24. Nautical Dark: 17:16 - 06:41. Astro Dark: 17:57 - 05:59

Total Clouds (% Sky Obscured)

39
48
59
100
100
100
87
94
90
96
100
100
94
100
98
96
93
82
94
96
86
59
47
77

Low Clouds (% Sky Obscured)

39
48
59
57
73
79
60
85
74
79
76
90
70
98
94
84
76
62
88
96
86
59
47
71

Medium Clouds (% Sky Obscured)

39
38
59
34
73
82
78
63
44
75
55
35
32
34
21
30
25
10
7
0
0
0
0
6

High Clouds (% Sky Obscured)

39
39
59
92
100
72
33
38
48
56
69
53
52
53
3
3
3
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
1
1
0
0
1
3
15
11
22
8
12
2
3
1
1
4
4
1

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)

16
16
16
19
19
19
19
20
20
20
19
20
18
15
15
14
14
14
15
17
16
16
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
90
88
84
85
82
81
82
85
88
81
80
82
82
84
84
81
82
77
74
78
84
84

Pressure (mb)

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

Ozone (du)

292
293
293
293
291
291
291
291
289
289
292
295
296
298
301
303
305
306
308
309
311
315
321
325

Monday 15

Waning Crescent 12%

04:46

13:13

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 OK

Sun - Rise: 08:06, Set: 15:52, Transit: 11:59. Moon - Rise: 04:46, Set: 13:13. Civil Dark: 16:32 - 07:25. Nautical Dark: 17:16 - 06:41. Astro Dark: 17:57 - 06:00

Total Clouds (% Sky Obscured)

82
92
99
99
98
94
100
100
100
100
99
99
100
100
100
100
100
100
100
98
96
94
94
44

Low Clouds (% Sky Obscured)

75
68
64
61
54
59
66
62
58
62
59
82
94
100
100
100
93
88
83
71
25
32
31
0

Medium Clouds (% Sky Obscured)

6
34
43
45
40
88
99
100
99
100
99
95
89
100
93
92
99
99
100
92
95
91
92
44

High Clouds (% Sky Obscured)

0
0
1
3
3
11
61
100
100
92
55
61
100
100
89
66
100
100
40
80
40
35
22
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
3
2
3
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

3
4
10
13
20
8
11
27
17
38
35
45
46
42
58
77
95
95
95
95
74
35
9
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
1
1.6
1.5
0.9
0.4
0
0
0

Wind Speed/Direction (mph)

14
14
14
15
16
15
13
12
11
11
11
11
9
7
7
7
7
10
8
8
9
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
90
88
88
87
88
88
91
90
91
90
91
91
91
93
93
94
96
94
94
91
88
87

Pressure (mb)

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

Ozone (du)

325
327
327
327
325
321
320
320
319
319
316
309
305
300
297
295
292
290
292
297
305
312
316
322

Tuesday 16

Waning Crescent 7%

05:59

13:33

16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 OK
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: 15:52, Transit: 11:59. Moon - Rise: 05:59, Set: 13:33. Civil Dark: 16:32 - 07:26. Nautical Dark: 17:16 - 06:42. Astro Dark: 17:57 - 06:01

Total Clouds (% Sky Obscured)

71
79
83
77
23
20
20
35
38
53
49
70
96
100
96
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
19
22
16
20
19
35
38
40
39
34
30
0
0
0
0
0
3
18
33
48
56
62

Medium Clouds (% Sky Obscured)

71
79
56
66
8
3
1
0
0
0
0
4
0
5
17
27
35
40
58
96
86
100
93
97

High Clouds (% Sky Obscured)

2
2
3
0
0
0
0
0
1
22
18
45
95
100
83
100
100
100
100
100
100
100
100
73

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
4
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
1
8
16
23
32
35

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
6
5
5
4
4
4
4
4
3
3
3
3
3
4
5
7
7
9
9
10
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
86
88
89
89
91
91
91
91
91
89
88
88
88
86
86
86
86
85
82
79
78
78
79

Pressure (mb)

1014
1015
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1018
1017
1017

Ozone (du)

332
329
330
343
353
359
347
343
336
329
324
322
324
321
318
316
311
308
307
305
303
301
298
294

Wednesday 17

Waning Crescent 3%

07:11

14:02

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: 15:52, Transit: 12:00. Moon - Rise: 07:11, Set: 14:02. Civil Dark: 16:33 - 07:26. Nautical Dark: 17:16 - 06:43. Astro Dark: 17:58 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
70
89
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

69
76
76
95
98
88
82
80
81
82
82
73
70
63
73
84
89
86
68
58
93
97
100
98

Medium Clouds (% Sky Obscured)

98
92
59
90
96
86
61
77
86
62
100
59
65
72
100
99
90
94
98
95
95
55
43
99

High Clouds (% Sky Obscured)

47
15
43
70
100
100
100
100
100
100
99
100
70
64
60
100
100
100
100
100
92
100
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 (%)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

34
30
21
18
21
29
34
40
54
63
75
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.3
0.6
0.9
1.1
1
0.9
1
1.1
1.2
1.9
1.5
1.3
1.2
1.6

Wind Speed/Direction (mph)

14
14
14
14
15
14
15
15
15
15
15
14
14
14
14
14
13
13
14
15
17
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
4
4
5
5
5
6
6
6
6
7
7
7
7
7
7
7
8
8
8
8
9
9

Relative Humidity (%)

81
82
85
87
87
88
90
90
90
88
90
90
90
91
91
90
90
90
88
87
90
88
91
87

Pressure (mb)

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

Ozone (du)

294
294
293
294
293
294
295
296
298
300
301
300
300
297
297
298
295
292
289
287
284
284
285
282

Thursday 18

Waning Crescent 1%

08:16

14:43

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: 08:08, Set: 15:53, Transit: 12:00. Moon - Rise: 08:16, Set: 14:43. Civil Dark: 16:33 - 07:27. Nautical Dark: 17:17 - 06:43. Astro Dark: 17:58 - 06:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
97
98
99
100
80
57
41
100
100
100
99
97
96
75
55
34
23

Low Clouds (% Sky Obscured)

95
92
81
71
61
61
62
63
44
20
5
8
6
8
29
37
44
49
54
60
51
43
34
23

Medium Clouds (% Sky Obscured)

100
100
100
98
90
94
85
76
53
42
30
30
30
35
99
98
98
86
75
58
54
39
34
23

High Clouds (% Sky Obscured)

100
100
95
100
100
93
78
78
86
93
100
75
50
25
88
79
59
68
79
91
70
50
25
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
3
5
5
2
3
8
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
70
66
66
58
62
80
82
61
23
5
10
9
8
14
16
14
10
6
0
0

Precipitation Amount (mm)

1.7
2.2
1.3
0.8
0.3
0.3
0.3
0.2
0.2
0.5
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
15
13
15
16
19
17
17
17
15
13
11
7
10
10
9
10
11
11
11
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
85
84
88
87
88
93
91
93
95
93
94
94
94
93
90
88
85
85
84
82
81
81

Pressure (mb)

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

Ozone (du)

282
283
288
294
295
299
299
299
298
297
296
296
294
300
308
314
321
327
326
326
326
332
338
344

Friday 19

Waning Crescent 0%

09:09

15:37

16 Good
17 Good
18 OK
19 OK
20 OK
21 Bad
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
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: 15:53, Transit: 12:01. Moon - Rise: 09:09, Set: 15:37. Civil Dark: 16:33 - 07:28. Nautical Dark: 17:17 - 06:44. Astro Dark: 17:58 - 06:03

Total Clouds (% Sky Obscured)

11
0
11
25
38
39
38
37
33
29
28
33
38
44
61
79
91
93
94
95
91
86
86
90

Low Clouds (% Sky Obscured)

11
0
10
20
30
32
33
34
33
26
27
31
34
35
42
47
52
54
62
67
77
80
82
84

Medium Clouds (% Sky Obscured)

11
0
11
15
1
1
0
0
0
0
0
0
0
0
12
18
27
26
26
30
30
35
30
20

High Clouds (% Sky Obscured)

11
0
11
19
13
8
4
3
2
1
0
0
0
0
16
31
47
50
53
52
46
49
51
49

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 (%)

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

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
4
7
8
18
26
34
37

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
88
88
88
88
88
88
88
89
89
89
89
91
91
93
93
91
89
86
82
84
82
84

Pressure (mb)

1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1014
1013
1012
1011
1010
1009

Ozone (du)

344
345
345
335
324
313
310
307
304
301
299
296
295
294
293
291
289
287
287
287
288
292
296
301

Saturday 20

New Moon 2%

09:50

No Set

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: 08:09, Set: 15:53, Transit: 12:01. Moon - Rise: 09:50, Set: No Set. Civil Dark: 16:34 - 07:28. Nautical Dark: 17:18 - 06:44. Astro Dark: 17:59 - 06:03

Total Clouds (% Sky Obscured)

85
85
89
87
86
94
95
100
100
100
100
98
97
95
95
95
99
93
85
79

Low Clouds (% Sky Obscured)

85
85
81
73
65
55
51
47
38
32
40
54
57
54
41
26
9
13
23
28

Medium Clouds (% Sky Obscured)

19
14
13
13
16
34
52
72
74
75
76
58
42
26
41
51
63
58
59
55

High Clouds (% Sky Obscured)

41
35
28
20
7
38
69
100
100
100
100
70
39
8
39
69
99
68
38
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

42
49
56
57
56
47
38
20
31
35
35
30
24
7
5
3
0
0
0
0

Precipitation Amount (mm)

0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
85
85
83
85
85
86
87
88
88
90
89
91
93
93
91
91
89
86

Pressure (mb)

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

Ozone (du)

301
302
303
307
311
316
322
329
335
343
351
358
364
371
377
378
380
382
382
383

Forecast for Crownhill, Milton Keynes, United Kingdom (52.03,-0.81)

Generated: 14/12/25 16:04:17. Forecast: 14/12/25 to 20/12/25. Timezone: UTC+0.00