Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 14

Waning Crescent 19%

03:33

13:00

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 08:05, Set: 15:55, Transit: 12:00. Moon - Rise: 03:33, Set: 13:00. Civil Dark: 16:35 - 07:25. Nautical Dark: 17:19 - 06:42. Astro Dark: 18:00 - 06:01

Total Clouds (% Sky Obscured)

75
80
86
99
98
100
100
100
100
95
97
91
88
76
87
65
64
56
79
89
91
100
98
98

Low Clouds (% Sky Obscured)

60
62
63
70
82
80
58
74
100
86
86
84
67
65
87
65
64
56
60
79
83
74
74
55

Medium Clouds (% Sky Obscured)

75
75
56
63
87
60
40
38
39
29
40
42
36
42
10
0
0
0
16
11
13
30
33
36

High Clouds (% Sky Obscured)

75
53
86
85
89
98
100
100
92
60
3
2
2
1
0
0
0
0
0
0
0
0
1
3

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 (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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
2
2
5
0
1
2
6
9
25
14
9
7
8
5
5
2
12
4
3
16
15
20
32

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
16
16
18
18
18
18
18
17
16
15
15
15
15
15
16
15
16
15
15
14
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
84
81
85
84
88
84
81
77
76
78
76
76
73
76
80
80
80
81
84
85
87
87
87

Pressure (mb)

1012
1011
1011
1010
1009
1008
1008
1007
1007
1006
1006
1006
1006
1005
1005
1005
1004
1004
1003
1003
1003
1003
1004
1004

Ozone (du)

291
291
290
289
289
291
293
295
297
299
301
303
305
306
308
309
312
313
316
319
318
321
322
321

Monday 15

Waning Crescent 12%

04:46

13:16

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 08:06, Set: 15:55, Transit: 12:01. Moon - Rise: 04:46, Set: 13:16. Civil Dark: 16:36 - 07:26. Nautical Dark: 17:19 - 06:42. Astro Dark: 18:00 - 06:01

Total Clouds (% Sky Obscured)

98
98
100
100
100
100
99
99
100
100
100
100
100
100
97
93
95
91
87
47
95
77
78
50

Low Clouds (% Sky Obscured)

65
74
72
73
63
67
77
86
100
100
100
96
86
81
55
40
34
30
17
5
27
7
22
8

Medium Clouds (% Sky Obscured)

93
92
100
100
100
100
96
94
95
94
97
100
98
100
97
93
95
91
87
47
94
77
78
50

High Clouds (% Sky Obscured)

12
28
100
100
100
94
56
73
91
66
71
86
100
46
40
35
35
23
7
3
2
4
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
8
3
3
3
8
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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

Precipitation Probability (%)

25
25
37
62
52
62
59
57
53
63
70
89
95
95
91
48
14
9
3
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.3
0
0
0
0
0
0.2
0.4
0.7
1
1.2
0.6
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
14
12
12
11
10
11
10
7
6
7
9
11
8
9
10
10
9
10
9
7
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
87
88
90
90
90
91
93
91
91
91
93
94
93
93
91
90
85
84
85
90
93
91

Pressure (mb)

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

Ozone (du)

320
318
317
314
313
311
306
302
300
298
296
294
291
294
299
308
313
317
320
332
335
330
337
350

Tuesday 16

Waning Crescent 7%

05:59

13:37

20 OK
21 Good
22 OK
23 OK
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

Sun - Rise: 08:07, Set: 15:56, Transit: 12:01. Moon - Rise: 05:59, Set: 13:37. Civil Dark: 16:36 - 07:26. Nautical Dark: 17:19 - 06:43. Astro Dark: 18:00 - 06:02

Total Clouds (% Sky Obscured)

9
3
23
31
68
53
60
60
95
88
100
100
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
3
23
31
35
33
37
38
21
0
0
0
0
0
21
20
37
55
77
75
78
81
86
94

Medium Clouds (% Sky Obscured)

4
1
0
0
0
0
0
0
4
10
13
14
25
29
60
97
81
100
98
91
100
84
55
63

High Clouds (% Sky Obscured)

0
0
0
0
49
32
36
33
92
54
100
100
97
100
100
100
100
100
100
72
43
15
43
69

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 (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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
1
5
12
20
29
36
35
30
25
26
30

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)

4
4
3
4
3
3
2
2
2
2
3
4
5
6
7
8
9
11
11
11
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
91
91
89
89
88
88
88
88
86
85
83
82
80
78
76
76
79
84
88
90
90

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1020
1019
1019
1020
1020
1020
1020
1020
1020
1019
1018
1017
1017
1017
1017
1016
1016

Ozone (du)

358
357
346
342
335
328
323
324
324
322
318
316
310
308
309
306
304
301
297
295
295
294
295
295

Wednesday 17

Waning Crescent 3%

07:10

14:07

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 08:07, Set: 15:56, Transit: 12:02. Moon - Rise: 07:10, Set: 14:07. Civil Dark: 16:36 - 07:27. Nautical Dark: 17:20 - 06:44. Astro Dark: 18:00 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
98
100
100
100
92
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
95
94
91
87
83
75
72
76
75
81
90
96
91
74
88
97
98
100
99
98
97
88
79

Medium Clouds (% Sky Obscured)

93
68
59
54
52
48
60
61
96
97
94
92
85
94
86
85
73
64
87
91
100
100
99
90

High Clouds (% Sky Obscured)

100
100
100
98
100
100
100
92
86
77
94
86
100
100
100
100
100
100
99
99
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
9
9
9
9
9
9
8

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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

Precipitation Probability (%)

24
37
46
51
67
85
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
94

Precipitation Amount (mm)

0
0
0
0
0.2
0.5
0.7
1
1.1
1.1
1
1
0.9
1.1
1.2
1.3
1.5
1.9
1.9
2.1
2
2.1
1.1
0.5

Wind Speed/Direction (mph)

13
14
13
13
14
14
13
13
12
12
13
13
14
14
15
17
19
17
16
16
15
15
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
91
93
93
91
93
93
93
91
91
91
91
91
90
90
87
91
88
88
88
85
84
88

Pressure (mb)

1016
1015
1015
1015
1014
1013
1013
1012
1012
1011
1011
1010
1009
1009
1008
1007
1006
1005
1004
1003
1003
1003
1002
1003

Ozone (du)

294
295
297
298
301
303
303
302
299
297
298
295
293
290
288
285
283
286
283
283
283
285
288
293

Thursday 18

Waning Crescent 1%

08:15

14:48

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

Sun - Rise: 08:08, Set: 15:56, Transit: 12:02. Moon - Rise: 08:15, Set: 14:48. Civil Dark: 16:37 - 07:27. Nautical Dark: 17:20 - 06:44. Astro Dark: 18:01 - 06:03

Total Clouds (% Sky Obscured)

100
92
83
76
72
68
69
52
35
21
100
100
100
93
85
77
65
53
42
40
38
37
41
45

Low Clouds (% Sky Obscured)

68
66
64
64
48
27
10
7
10
8
35
42
48
58
67
77
65
53
42
40
38
35
39
43

Medium Clouds (% Sky Obscured)

100
89
79
68
61
53
40
45
35
21
100
100
100
93
85
77
65
53
42
40
38
37
30
17

High Clouds (% Sky Obscured)

100
73
50
25
34
46
63
44
27
15
95
97
100
75
50
25
25
25
25
35
34
34
24
20

ISS Passover

Visibility (miles)

9
4
3
4
4
2
4
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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

Precipitation Probability (%)

73
79
80
70
82
82
72
34
7
4
11
13
10
14
14
9
7
3
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.5
0.5
0.3
0.4
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
16
15
15
13
10
8
9
9
9
7
9
9
10
10
11
10
9
8
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
91
91
93
95
93
94
94
94
96
93
90
88
85
84
82
82
81
81
82
84
88
86

Pressure (mb)

1003
1004
1004
1005
1005
1005
1006
1007
1008
1008
1009
1010
1011
1012
1013
1014
1015
1015
1016
1016
1017
1017
1018
1018

Ozone (du)

297
297
301
301
300
298
296
294
297
307
313
319
324
330
330
331
331
338
345
352
348
344
340
332

Friday 19

Waning Crescent 0%

09:08

15:42

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

Sun - Rise: 08:08, Set: 15:57, Transit: 12:03. Moon - Rise: 09:08, Set: 15:42. Civil Dark: 16:37 - 07:28. Nautical Dark: 17:20 - 06:45. Astro Dark: 18:01 - 06:04

Total Clouds (% Sky Obscured)

49
45
41
35
27
17
7
7
19
30
48
68
91
95
95
95
95
91
91
86
77
77
83
88

Low Clouds (% Sky Obscured)

42
36
30
24
17
11
7
7
14
24
31
37
44
60
71
80
87
91
91
86
77
77
83
80

Medium Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
5
6
13
13
10
17
20
27
30
24
24
14
15
11

High Clouds (% Sky Obscured)

12
5
2
0
0
0
0
0
0
0
25
50
75
75
81
76
71
66
61
61
60
45
35
26

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 (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
8
12
14
24
29
37
47
59
73
72
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1018
1019
1018
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1012
1011
1010
1009
1009
1008
1007
1007

Ozone (du)

323
314
311
308
306
302
298
294
292
291
290
289
289
288
289
289
290
294
299
303
304
305
305
309

Saturday 20

New Moon 2%

09:49

16:49

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: 15:57, Transit: 12:03. Moon - Rise: 09:49, Set: 16:49. Civil Dark: 16:38 - 07:29. Nautical Dark: 17:21 - 06:45. Astro Dark: 18:02 - 06:04

Total Clouds (% Sky Obscured)

89
93
96
100
95
93
96
96
95
93
94
96
100
100
100
100

Low Clouds (% Sky Obscured)

66
50
32
17
17
16
25
35
42
39
32
24
20
19
22
21

Medium Clouds (% Sky Obscured)

16
41
70
93
84
74
64
55
47
45
65
83
100
100
100
100

High Clouds (% Sky Obscured)

13
41
70
100
72
44
16
9
6
6
40
72
100
91
74
39

ISS Passover

Visibility (miles)

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

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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

Precipitation Probability (%)

52
43
34
25
37
43
43
35
25
4
3
2
0
3
7
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
90
88
88
88
86
88
88
91
94
91
91
91
88
86

Pressure (mb)

1007
1006
1006
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

313
316
326
335
345
350
356
361
367
374
380
381
383
385
384
383

Forecast for Culham, Oxfordshire, United Kingdom (51.66,-1.27)

Generated: 14/12/25 20:09:41. Forecast: 14/12/25 to 20/12/25. Timezone: UTC+0.00