Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 72%

11:51

03:20

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

Sun - Rise: 08:00, Set: 15:56, Transit: 11:58. Moon - Rise: 11:51, Set: 03:20. Civil Dark: 16:35 - 07:20. Nautical Dark: 17:18 - 06:37. Astro Dark: 17:58 - 05:57

Total Clouds (% Sky Obscured)

80
86
90
93
86
100
100
98
99
96
88
97
84
76
76
78
39
91
60
75
98
62
85
86

Low Clouds (% Sky Obscured)

80
86
90
93
83
100
100
97
99
94
86
97
81
72
72
74
28
90
56
72
98
51
81
86

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)

6
4
3
3
0
0
1
0
0
1
1
1
1
1
1
1
1
4
6
12
6
43
33
33

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
6
4
6
7
6
10
17
10
17
7
7
14
10
8
3
1
8
1
8
2
4

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
10
10
9
12
12
12
13
14
14
13
14
14
14
14
14
17
16
17
17
15
17
17
17

Chance of Frost

Temperature (°C)

6
7
7
7
7
7
7
7
7
7
7
7
6
6
7
6
7
7
7
7
7
7
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
74
69
70
69
69
69
73
74
74
75
71
74
70
67
71
62
70
58
65
67
55
56
60

Pressure (mb)

1027
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1029
1029
1030
1030
1030
1031
1031
1031

Ozone (du)

299
295
295
295
291
285
286
288
287
285
283
284
284
285
280
282
282
283
279
277
278
279
279
279

Tuesday 30

Waxing Gibbous 82%

12:11

04:52

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

Sun - Rise: 08:00, Set: 15:56, Transit: 11:58. Moon - Rise: 12:11, Set: 04:52. Civil Dark: 16:36 - 07:20. Nautical Dark: 17:19 - 06:37. Astro Dark: 17:59 - 05:57

Total Clouds (% Sky Obscured)

67
50
72
100
68
62
73
42
36
50
26
8
12
17
4
23
58
33
20
41
43
50
36
35

Low Clouds (% Sky Obscured)

63
41
65
100
62
55
68
35
34
50
23
0
3
12
0
23
58
33
16
41
43
50
36
35

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)

6
2
2
1
1
1
2
2
1
0
0
0
0
0
0
0
0
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 (%)

7
8
3
16
16
14
13
9
3
3
14
4
3
4
12
2
2
2
1
2
1
2
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)

16
17
16
15
14
14
15
15
15
15
14
14
14
13
12
11
11
10
9
8
8
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
56
64
65
65
64
62
62
61
61
61
65
66
67
68
72
73
76
79
79
82
86
89
93

Pressure (mb)

1031
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1032
1032
1032
1032
1032

Ozone (du)

281
284
284
287
292
292
297
302
312
314
313
313
312
316
316
315
318
319
320
320
320
320
319
319

Wednesday 31

Waxing Gibbous 91%

12:39

No Set

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

Sun - Rise: 08:00, Set: 15:57, Transit: 11:59. Moon - Rise: 12:39, Set: No Set. Civil Dark: 16:37 - 07:20. Nautical Dark: 17:20 - 06:37. Astro Dark: 18:00 - 05:57

Total Clouds (% Sky Obscured)

26
23
28
24
24
10
1
2
3
5
14
14
37
36
22
25
17
28
55
72
97
98
96
94

Low Clouds (% Sky Obscured)

26
23
28
24
24
10
0
0
0
0
0
7
31
30
22
1
0
0
0
0
0
19
38
56

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)

0
0
0
0
0
0
0
0
1
4
9
6
10
12
4
22
14
26
53
70
94
93
85
76

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
93
86
79
73
68
67
71
78
83
84
88
89
91
91
89
87
84
86
86
86
86

Pressure (mb)

1031
1031
1031
1031
1031
1030
1029
1029
1028
1028
1027
1026
1026
1025
1025
1024
1023
1022
1021
1020
1020
1019
1018
1016

Ozone (du)

319
319
319
318
315
314
315
316
317
319
317
316
312
310
309
311
313
314
316
316
316
317
318
319

Thursday 1

Waxing Gibbous 97%

13:22

06:21

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

Sun - Rise: 07:59, Set: 15:59, Transit: 11:59. Moon - Rise: 13:22, Set: 06:21. Civil Dark: 16:38 - 07:20. Nautical Dark: 17:21 - 06:37. Astro Dark: 18:01 - 05:57

Total Clouds (% Sky Obscured)

95
98
100
100
100
100
100
93
89
88
93
84
80
62
25
29
35
42
45
47
45
48
52
55

Low Clouds (% Sky Obscured)

41
26
10
20
30
40
38
35
33
34
39
35
31
22
8
20
33
42
45
45
44
45
47
48

Medium Clouds (% Sky Obscured)

10
23
40
43
42
44
46
53
55
64
51
34
27
22
16
19
19
20
18
14
7
4
2
0

High Clouds (% Sky Obscured)

83
92
100
100
100
100
100
93
89
57
28
1
1
0
0
0
0
0
0
0
0
4
9
16

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
1
0
0
8
12
12
11
9
4
2
1
1
1
1
0
0
0
0
1
1
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
12
12
13
15
16
17
17
16
15
14
14
13
13
13
13
11
11
11
11
10
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-6
-4
-4
-2
-2
-0
-1
-1
-2
-2
-2
-1
-1
-0
-1
-1
-1
-1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

84
86
89
87
84
74
69
69
73
77
80
79
83
85
89
94
94
94
94
93
94
92
91
92

Pressure (mb)

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

Ozone (du)

314
311
309
313
323
326
327
330
330
332
339
343
351
354
359
358
355
352
350
346
346
342
333
322

Friday 2

Waxing Gibbous 100%

14:24

07:39

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

Sun - Rise: 07:59, Set: 16:00, Transit: 11:59. Moon - Rise: 14:24, Set: 07:39. Civil Dark: 16:39 - 07:20. Nautical Dark: 17:22 - 06:37. Astro Dark: 18:02 - 05:57

Total Clouds (% Sky Obscured)

53
53
53
48
44
40
38
40
42
44
47
27
7
9
12
24
28
29
15
27
36
28
23
23

Low Clouds (% Sky Obscured)

41
35
27
26
25
22
21
20
19
21
24
27
3
7
10
7
3
0
8
15
21
17
13
9

Medium Clouds (% Sky Obscured)

0
0
0
1
1
2
2
1
0
0
0
0
0
0
0
0
0
0
8
15
23
28
23
23

High Clouds (% Sky Obscured)

17
22
31
30
18
10
5
5
10
5
5
1
0
1
2
11
24
29
15
27
36
28
23
23

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
92
91
81
76
72
72
75
82
84
86
88
86
87
87
86
86
84
84
84
83
86
87

Pressure (mb)

1004
1004
1005
1005
1005
1004
1004
1003
1003
1002
1002
1002
1002
1001
1001
1001
1001
1000
1000
1000
1000
999
999
999

Ozone (du)

311
306
302
299
294
290
286
285
284
284
287
292
299
296
293
291
294
298
302
301
301
300
308
317

Saturday 3

Full Moon 99%

15:44

08:36

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

Sun - Rise: 07:59, Set: 16:01, Transit: 12:00. Moon - Rise: 15:44, Set: 08:36. Civil Dark: 16:40 - 07:20. Nautical Dark: 17:23 - 06:37. Astro Dark: 18:03 - 05:57

Total Clouds (% Sky Obscured)

36
47
58
56
58
64
62
56
51
50
49
52
51
49
48
41
37
30
30
40
45
45
40
20

Low Clouds (% Sky Obscured)

13
14
15
36
58
64
62
56
51
46
33
28
31
30
25
25
25
10
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

36
47
58
56
58
64
62
56
51
50
49
52
51
49
48
41
37
30
30
40
45
45
40
20

High Clouds (% Sky Obscured)

36
45
45
40
40
25
5
5
5
5
5
5
5
20
10
10
10
10
15
25
30
45
40
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

12
13
7
22
26
26
56
73
87
95
95
95
95
95
95
95
93
85
83
84
85
91
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.4
0.6
0.7
0.8
0.9
0.8
0.8
0.6
0.7
0.7
0.5
0.5
0.5
0.5
0.6
0.7
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-3
-3
-4
-3
-3
-2
-1
-0
-1
-1
-2
-2
-3
-4
-4
-4
-4
-4
-6
-7
-8
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
89
88
86
89
94
100
98
98
100
98
98
98
96
98
98
98
98
98
96
96

Pressure (mb)

998
998
998
998
998
997
997
996
996
995
995
994
994
994
994
993
993
993
993
993
993
993
993
992

Ozone (du)

326
337
347
358
357
356
355
356
356
357
356
355
354
354
354
354
351
348
345
345
345
345
348
352

Sunday 4

Waning Gibbous 96%

17:14

09:14

Sun - Rise: 07:59, Set: 16:02, Transit: 12:00. Moon - Rise: 17:14, Set: 09:14. Civil Dark: 16:41 - 07:20. Nautical Dark: 17:24 - 06:37. Astro Dark: 18:04 - 05:57

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 Canterbury, Kent, United Kingdom (51.28,1.08)

Generated: 29/12/25 06:27:16. Forecast: 29/12/25 to 04/01/26. Timezone: UTC+0.00