Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 12%

05:59

13:12

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 OK
21 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:06, Set: 15:51, Transit: 11:59. Moon - Rise: 05:59, Set: 13:12. Civil Dark: 16:32 - 07:25. Nautical Dark: 17:16 - 06:42. Astro Dark: 17:57 - 06:01

Total Clouds (% Sky Obscured)

72
78
83
87
100
99
99
88
94
96
90
89
57
32
26
26
27
35
45
50
95
67
100
93

Low Clouds (% Sky Obscured)

72
78
83
87
98
67
58
61
50
38
36
40
35
23
8
19
26
23
30
31
26
0
0
0

Medium Clouds (% Sky Obscured)

72
78
83
87
100
99
98
81
89
92
83
83
57
32
26
0
0
0
0
0
27
35
38
39

High Clouds (% Sky Obscured)

43
72
65
50
89
50
50
50
2
4
3
0
0
0
26
26
27
35
43
50
93
24
100
46

ISS Passover

Visibility (miles)

1
2
4
2
6
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
2
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
58
25
9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
1.2
1
1.5
0.9
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
6
10
10
8
7
8
8
8
6
6
6
6
5
5
4
4
4
3
4
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
5
5
5
5
5
5
4
4
4
4
3
3
3
1
1
1
-0
-1
-1
-2
0
-1

Dew Point (°C)

9
9
7
7
7
6
6
6
6
5
5
5
4
4
3
2
2
1
1
1
-0
0
1
2

Relative Humidity (%)

96
96
95
95
94
91
91
90
90
90
91
91
91
93
93
91
93
91
91
91
89
91
89
89

Pressure (mb)

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

Ozone (du)

290
294
295
300
305
312
322
331
337
343
345
349
357
346
338
332
328
322
317
316
314
313
309
304

Wednesday 17

Waning Crescent 7%

No Rise

13:33

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:06, Set: 15:52, Transit: 11:59. Moon - Rise: No Rise, Set: 13:33. Civil Dark: 16:32 - 07:26. Nautical Dark: 17:16 - 06:43. Astro Dark: 17:57 - 06:01

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)

0
4
55
69
78
80
100
100
100
100
100
100
100
100
98
100
88
87
95
97
100
100
100
100

Medium Clouds (% Sky Obscured)

46
35
92
96
100
100
99
85
87
85
60
79
91
98
97
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
51
68
100
100
45
100
100
100
91
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
88
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
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
1
12
51
63
64
43
16
11
3
9
4
15
29
40
70
95
95
95
95
95
36
31
56

Precipitation Amount (mm)

0
0
0
0.2
0.3
0.4
0
0
0
0
0
0
0
0
0
0.3
1.2
1.7
2.1
1.1
1
0
0
0

Wind Speed/Direction (mph)

8
9
10
11
12
14
15
16
16
17
17
18
18
19
20
20
20
19
19
17
17
16
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
82
80
81
79
81
81
82
82
84
84
84
84
84
85
88
91
91
93
93
93
95
95

Pressure (mb)

1017
1017
1017
1016
1016
1015
1014
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1007
1007

Ozone (du)

302
300
297
297
298
298
297
295
295
296
295
293
295
296
298
302
308
312
313
311
308
304
300
300

Thursday 18

Waning Crescent 3%

07:11

14:02

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 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: 17:17 - 06:43. Astro Dark: 17:58 - 06:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
100
95
100
100
97
100
100
86
70
100
65
72
81
61

Low Clouds (% Sky Obscured)

90
90
90
91
92
88
99
100
87
76
75
64
77
70
74
59
55
29
14
0
0
1
1
1

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
100
99
100
94
97
95
94
35
78
30
31
74
38
46
60
40

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
38
67
67
75
98
100
78
100
100
71
70
80
53
27
0
3

ISS Passover

Visibility (miles)

9
9
9
9
9
7
3
3
2
3
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

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

Precipitation Probability (%)

71
94
95
80
95
95
95
95
95
95
21
9
30
29
23
4
11
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.7
0.9
0.4
0.7
2.4
1.4
1.7
2.5
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
15
15
16
17
19
20
21
21
14
16
17
16
16
16
16
13
12
11
11
11
11
11

Chance of Frost

Temperature (°C)

11
11
11
10
10
11
11
12
12
11
11
11
11
11
11
10
9
8
7
6
6
6
5
5

Feels Like (°C)

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

Dew Point (°C)

10
10
10
9
10
10
10
11
11
10
9
10
9
10
9
8
6
6
4
4
3
3
4
3

Relative Humidity (%)

95
95
95
93
95
93
93
93
93
92
87
90
87
91
87
83
84
82
82
84
82
85
88
88

Pressure (mb)

1007
1006
1006
1005
1004
1002
1001
1000
1000
1000
1001
1002
1002
1003
1004
1005
1007
1008
1009
1010
1011
1011
1012
1013

Ozone (du)

295
294
290
289
288
287
295
298
296
299
305
311
325
340
355
359
367
381
382
375
370
365
371
383

Friday 19

Waning Crescent 1%

08:16

14:43

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

Sun - Rise: 08:08, Set: 15:52, Transit: 12:00. Moon - Rise: 08:16, Set: 14:43. Civil Dark: 16:33 - 07:27. Nautical Dark: 17:17 - 06:44. Astro Dark: 17:58 - 06:02

Total Clouds (% Sky Obscured)

34
12
14
16
17
22
22
18
16
13
15
19
22
28
29
28
28
28
28
27
31
38
46
46

Low Clouds (% Sky Obscured)

2
3
9
16
17
22
22
18
16
13
15
19
22
28
29
24
21
21
22
22
29
38
46
46

Medium Clouds (% Sky Obscured)

22
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)

6
10
6
3
0
0
0
0
0
0
0
0
0
2
2
2
1
1
0
0
1
1
1
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
11
11
12
12
12
11
11
10
9
9
9
8
8
7
8
8
8
8
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
86
85
84
84
84
85
88
91
93
91
93
93
93
91
91
91
91
91
91
91
91

Pressure (mb)

1013
1014
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1014
1014
1013
1013

Ozone (du)

378
370
373
371
365
360
341
334
328
322
303
301
302
299
297
294
293
288
284
279
277
273
270
274

Saturday 20

New Moon 0%

09:09

15:37

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 OK
23 Good
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:08, Set: 15:53, Transit: 12:01. Moon - Rise: 09:09, Set: 15:37. Civil Dark: 16:34 - 07:27. Nautical Dark: 17:17 - 06:44. Astro Dark: 17:59 - 06:03

Total Clouds (% Sky Obscured)

54
53
69
77
95
96
87
71
67
72
100
71
83
97
68
37
5
13
22
30
50
70
90
94

Low Clouds (% Sky Obscured)

54
53
56
54
54
63
74
71
67
68
61
3
1
0
2
3
5
13
21
30
47
65
81
80

Medium Clouds (% Sky Obscured)

0
0
20
47
75
83
71
64
66
68
65
31
61
91
62
32
3
13
18
22
30
44
65
72

High Clouds (% Sky Obscured)

2
1
27
53
80
80
80
71
51
26
25
40
45
30
20
15
5
13
22
25
30
35
35
30

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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
8
16
24
53
76
92
0
0
0
0
0
0
0
0
0
1
1
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
11
12
14
14
14
14
14
12
10
10
9
9
8
8
8
9
9
9
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
93
90
85
84
84
82
84
85
85
85
85
85
85
88
89
91
91
91
91
93
93
93

Pressure (mb)

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

Ozone (du)

277
281
285
286
292
296
300
304
306
308
311
312
317
322
326
326
325
324
321
318
315
315
316
316

Sunday 21

Waxing Crescent 2%

09:50

16:44

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:09, Set: 15:53, Transit: 12:01. Moon - Rise: 09:50, Set: 16:44. Civil Dark: 16:34 - 07:28. Nautical Dark: 17:18 - 06:45. Astro Dark: 17:59 - 06:03

Total Clouds (% Sky Obscured)

97
100
91
83
76
71
66
56
56
56
56
71
85
100
88
76
64
63
62
59
60
64
67
64

Low Clouds (% Sky Obscured)

79
78
70
62
54
53
57
56
53
50
51
61
73
86
81
73
64
60
57
54
55
58
58
57

Medium Clouds (% Sky Obscured)

71
65
56
48
39
38
34
19
25
37
48
63
75
84
55
29
3
16
27
42
59
64
67
64

High Clouds (% Sky Obscured)

25
20
15
10
10
10
10
10
15
20
20
35
35
35
35
35
40
50
50
50
50
55
60
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
3
0
0
0
0
1
2
3
5
7
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 (%)

2
0
9
13
15
27
33
38
40
42
43
40
35
26
24
20
13
12
6
1
1
1
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
9
9
9
9
9
9
8
8
8
7
7
7
6
6
7
8
9
8
7
6
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
93
91
94
96
96
98
98
98
96
96
96
94
93
93
93
93
93
93
93
94

Pressure (mb)

1004
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1009
1009

Ozone (du)

320
323
327
330
334
337
340
343
346
347
347
348
350
352
354
357
361
364
365
366
367
366
365
364

Monday 22

Waxing Crescent 6%

10:19

17:59

Sun - Rise: 08:09, Set: 15:54, Transit: 12:02. Moon - Rise: 10:19, Set: 17:59. Civil Dark: 16:35 - 07:28. Nautical Dark: 17:18 - 06:45. Astro Dark: 18:00 - 06:04

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 Loughton, Milton Keynes, United Kingdom (52.03,-0.77)

Generated: 16/12/25 07:50:21. Forecast: 16/12/25 to 22/12/25. Timezone: UTC+0.00