Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 77%

19:47

11:18

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:48, Set: 15:48, Transit: 11:47. Moon - Rise: 19:47, Set: 11:18. Civil Dark: 16:27 - 07:09. Nautical Dark: 17:10 - 06:26. Astro Dark: 17:50 - 05:46

Total Clouds (% Sky Obscured)

90
92
94
95
100
98
100
100
94
100
99
100
100
100
100
100
100
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

68
69
68
60
59
71
64
63
76
100
95
88
75
87
92
85
89
66
70
53
65
97
74
80

Medium Clouds (% Sky Obscured)

78
92
64
88
97
85
93
94
94
98
99
94
78
96
78
76
99
100
60
52
83
86
98
45

High Clouds (% Sky Obscured)

90
92
94
95
100
85
100
100
27
98
61
100
100
100
100
100
100
100
100
100
100
100
43
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
5
9
2
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
Very Light Rain
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None

Precipitation Probability (%)

9
10
12
28
17
34
62
66
41
33
30
30
24
15
21
33
50
69
68
61
67
45
52
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0.4
0.3
0
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
12
12
12
12
12
13
13
13
13
13
13
13
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
87
87
89
90
90
92
95
96
96
95
93
93
92
90
90
86
84
86
84
84
84
83

Pressure (mb)

1010
1009
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1010
1011
1010
1010
1010
1009
1008
1008
1007
1007
1007
1006

Ozone (du)

315
320
321
323
323
321
321
322
322
321
322
320
317
315
313
307
303
300
297
289
287
290
291
291

Tuesday 9

Waning Gibbous 67%

21:12

11:39

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:49, Set: 15:48, Transit: 11:48. Moon - Rise: 21:12, Set: 11:39. Civil Dark: 16:27 - 07:10. Nautical Dark: 17:10 - 06:27. Astro Dark: 17:50 - 05:47

Total Clouds (% Sky Obscured)

100
97
100
96
93
93
92
98
94
95
83
81
100
95
95
100
98
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

95
96
100
94
79
81
80
70
58
36
41
12
23
28
43
31
42
59
59
64
56
65
60
64

Medium Clouds (% Sky Obscured)

71
96
76
62
35
42
41
83
91
93
75
78
78
90
83
99
96
100
95
93
90
68
26
60

High Clouds (% Sky Obscured)

100
78
57
65
47
10
1
2
2
3
15
47
100
73
66
100
90
100
100
100
100
100
98
90

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 (%)

16
21
50
35
32
21
12
14
45
36
21
4
1
0
0
0
0
0
0
1
3
1
1
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)

20
20
21
21
20
22
21
21
20
20
17
14
12
11
11
10
10
10
10
10
11
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
8
8
8
8
8
8
8
8
8
7
7
8
7
8
8
8
8
7
8
8

Dew Point (°C)

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

Relative Humidity (%)

80
79
79
79
86
82
83
86
87
93
90
88
91
91
93
93
95
95
95
95
96
95
93
90

Pressure (mb)

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

Ozone (du)

292
292
291
287
285
285
283
284
283
284
283
283
284
282
281
280
277
276
277
279
280
280
281
283

Wednesday 10

Waning Gibbous 57%

22:32

11:54

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

Sun - Rise: 07:50, Set: 15:47, Transit: 11:48. Moon - Rise: 22:32, Set: 11:54. Civil Dark: 16:27 - 07:11. Nautical Dark: 17:10 - 06:28. Astro Dark: 17:50 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
47
53
63
48
37
19
13
8
3
54
7
0
0
0
13
50
51
48
51
56
62

Low Clouds (% Sky Obscured)

51
39
41
47
48
59
39
35
3
13
8
0
0
0
0
0
0
13
30
34
36
39
48
58

Medium Clouds (% Sky Obscured)

60
60
65
35
3
55
0
0
0
0
0
0
18
3
0
0
0
0
0
0
0
0
0
4

High Clouds (% Sky Obscured)

88
93
100
25
20
20
25
11
14
1
0
3
54
4
0
0
0
0
30
27
29
25
15
10

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
1
1
1
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
15
14
14
12
10
9
8
8
8
7
6
7
7
6
5
6
6
5
4
5
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
83
83
83
90
93
95
96
95
93
91
90
90
88
88
88
90
90
90
91
93
96
95

Pressure (mb)

1015
1015
1016
1016
1017
1018
1018
1019
1020
1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021

Ozone (du)

285
288
290
294
295
297
300
299
301
303
302
303
304
301
300
300
301
303
303
304
304
304
303
304

Thursday 11

Third Quarter 46%

23:47

12:07

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:51, Set: 15:47, Transit: 11:49. Moon - Rise: 23:47, Set: 12:07. Civil Dark: 16:27 - 07:12. Nautical Dark: 17:10 - 06:29. Astro Dark: 17:50 - 05:48

Total Clouds (% Sky Obscured)

71
77
84
92
91
91
91
93
94
96
98
99
100
98
97
96
90
92
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
76
84
92
88
84
80
82
85
86
81
75
69
76
83
91
85
79
78
82
90
95
87
76

Medium Clouds (% Sky Obscured)

57
70
65
60
60
64
66
74
81
90
86
54
82
91
64
39
46
48
77
54
55
51
48
99

High Clouds (% Sky Obscured)

5
0
0
0
3
7
10
7
4
0
33
55
93
74
49
16
32
67
96
98
99
100
95
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
3
9
0
5
6
9
7
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
2
4
7
12
24
29
47
39
27
14
7
14
14
11
1
2
4
2
3
11

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
8
9
9
9
8
9
9
9
9
9
9
9
9
9
10
9
9
9
10
10
10
9

Relative Humidity (%)

90
87
87
90
93
95
93
95
96
98
96
98
98
96
96
96
96
95
96
98
98
96
93
90

Pressure (mb)

1020
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

307
308
308
308
309
310
312
316
318
313
308
303
304
305
305
305
305
305
306
307
307
308
310
311

Friday 12

Waning Crescent 36%

00:59

12:17

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:52, Set: 15:47, Transit: 11:49. Moon - Rise: 00:59, Set: 12:17. Civil Dark: 16:27 - 07:12. Nautical Dark: 17:10 - 06:30. Astro Dark: 17:50 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
73
50
25
37
48
65
64
63
74
76
75

Low Clouds (% Sky Obscured)

57
69
81
86
82
80
71
48
38
20
12
9
8
9
7
8
19
31
46
40
33
24
28
37

Medium Clouds (% Sky Obscured)

100
88
90
92
95
97
99
90
80
73
58
65
60
51
50
25
37
48
54
50
55
60
75
75

High Clouds (% Sky Obscured)

100
100
87
100
100
91
100
100
100
100
99
98
97
66
36
5
5
5
5
10
15
25
45
55

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 (%)

3
2
2
3
14
29
44
46
40
27
16
10
5
15
20
22
28
28
19
14
6
3
11
14

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
86
88
88
91
95
95
93
95
93
88
87
88
90
91
93
95
91
90
87
87
87
87
84

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1020
1020

Ozone (du)

313
315
315
317
316
316
315
315
317
317
315
315
315
315
315
315
315
316
317
318
318
319
320
322

Saturday 13

Waning Crescent 27%

02:11

12:28

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:53, Set: 15:47, Transit: 11:50. Moon - Rise: 02:11, Set: 12:28. Civil Dark: 16:27 - 07:13. Nautical Dark: 17:10 - 06:30. Astro Dark: 17:50 - 05:50

Total Clouds (% Sky Obscured)

75
82
92
100
87
77
69
67
76
82
81
77
71
79
87
95
89
87
84
89
94
100
100
100

Low Clouds (% Sky Obscured)

37
39
42
42
40
36
32
41
48
58
57
52
49
59
69
80
75
70
65
62
59
56
62
69

Medium Clouds (% Sky Obscured)

75
82
92
100
80
66
42
24
17
7
24
40
55
45
30
20
15
9
1
7
15
22
20
19

High Clouds (% Sky Obscured)

65
54
47
41
23
10
0
0
0
0
3
3
5
30
52
73
66
61
57
71
86
99
99
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 (%)

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 (%)

15
18
14
6
15
20
23
31
30
27
21
18
6
10
9
3
5
6
1
8
14
6
6
3

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
12
13
14
14
14
13
13
14
15
16
15
15
15
16
16
16
17
17
17
17
17
18
18

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
9
9
9
8
8
9
9
9
9
9
9
9
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
80
78
78
82
87
90
91
91
93
91
91
91
91
91
93
93
93
93
93
91
90
88

Pressure (mb)

1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

323
324
341
357
374
369
364
359
355
351
347
345
343
341
338
334
331
328
326
323
321
319
317
315

Sunday 14

Waning Crescent 19%

03:22

12:39

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

Sun - Rise: 07:54, Set: 15:47, Transit: 11:50. Moon - Rise: 03:22, Set: 12:39. Civil Dark: 16:27 - 07:14. Nautical Dark: 17:10 - 06:31. Astro Dark: 17:51 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
96
91
86
91
95
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
76
77
77
51
26
1
28
47
59
53
42
36
50
72
88
85
83
81

Medium Clouds (% Sky Obscured)

22
30
37
44
55
60
65
45
29
6
9
6
5
37
68
100
78
53
26

High Clouds (% Sky Obscured)

100
100
100
100
96
91
86
91
95
100
100
100
100
93
87
82
84
84
85

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

7
3
0
0
0
0
0
0
0
0
1
4
5
39
57
69
80
59
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.3
0

Wind Speed/Direction (mph)

19
20
20
19
18
18
18
17
17
18
18
18
18
18
18
18
19
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
84
85
85
84
82
81
81
81
81
82
85
88
87
88
88
91
91

Pressure (mb)

1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1013
1012
1012
1012

Ozone (du)

314
313
310
308
305
305
306
306
306
306
306
304
303
302
303
304
305
306
306

Forecast for Canterbury, Kent, United Kingdom (51.28,1.08)

Generated: 08/12/25 11:57:18. Forecast: 08/12/25 to 14/12/25. Timezone: UTC+0.00