Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 1%

08:05

14:43

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

Sun - Rise: 07:59, Set: 15:51, Transit: 11:55. Moon - Rise: 08:05, Set: 14:43. Civil Dark: 16:30 - 07:19. Nautical Dark: 17:13 - 06:36. Astro Dark: 17:54 - 05:55

Total Clouds (% Sky Obscured)

95
96
97
98
100
100
77
59
68
30
9
27
20
23
30
30
35
32
44
56
55
78
95
90

Low Clouds (% Sky Obscured)

0
0
0
0
0
5
4
4
25
30
9
27
20
23
30
30
32
32
44
56
55
77
78
81

Medium Clouds (% Sky Obscured)

87
96
85
95
70
100
77
51
33
0
0
0
0
0
0
0
0
0
0
0
0
3
85
73

High Clouds (% Sky Obscured)

95
96
97
98
55
57
52
3
3
0
0
0
0
0
1
1
12
0
0
0
2
28
41
35

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
1
2
2
2
1
3
5
4
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
6
6
7
8
9
10
10
12
12
11
9
8
6
5
5
5
5
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
87
87
85
82
82
77
77
77
76
76
80
88
93
93
93
94
94
93
91
91
91
93
93

Pressure (mb)

1011
1012
1013
1014
1015
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1017
1017
1016

Ozone (du)

331
338
346
345
348
352
353
353
360
359
351
355
333
317
308
300
294
294
292
292
290
288
286
288

Saturday 20

New Moon 0%

08:58

15:37

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:59, Set: 15:51, Transit: 11:55. Moon - Rise: 08:58, Set: 15:37. Civil Dark: 16:31 - 07:19. Nautical Dark: 17:14 - 06:36. Astro Dark: 17:55 - 05:56

Total Clouds (% Sky Obscured)

78
91
100
100
100
100
99
98
89
83
83
88
76
65
70
78
84
86
82
96
91
97
99
100

Low Clouds (% Sky Obscured)

63
80
69
67
69
52
59
50
67
64
59
46
42
41
48
60
70
73
56
87
77
83
83
94

Medium Clouds (% Sky Obscured)

69
70
100
100
100
100
99
98
81
26
52
24
31
25
25
27
30
47
60
74
63
81
88
100

High Clouds (% Sky Obscured)

30
35
40
35
2
0
0
0
0
0
0
0
0
0
0
2
7
15
15
15
26
48
60
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
Very Light Rain

Precipitation Probability (%)

5
8
8
5
0
0
0
0
2
2
1
1
2
0
0
0
1
3
2
5
4
8
23
43

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
0.3

Wind Speed/Direction (mph)

4
4
5
5
5
6
7
8
9
10
9
8
7
6
6
9
9
10
9
7
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
94
93
90
84
79
75
78
81
85
91
94
94
82
83
82
85
88
88
90
88
90

Pressure (mb)

1016
1015
1015
1014
1014
1014
1013
1012
1011
1011
1010
1009
1009
1009
1009
1008
1008
1008
1007
1007
1006
1006
1006
1006

Ozone (du)

286
286
286
286
288
288
289
287
281
278
275
276
278
284
289
291
292
294
297
300
301
302
308
315

Sunday 21

Waxing Crescent 2%

09:39

16:44

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:00, Set: 15:51, Transit: 11:56. Moon - Rise: 09:39, Set: 16:44. Civil Dark: 16:31 - 07:20. Nautical Dark: 17:14 - 06:37. Astro Dark: 17:55 - 05:56

Total Clouds (% Sky Obscured)

93
94
91
85
90
94
95
99
100
99
100
100
100
100
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

81
85
84
73
78
81
84
79
77
71
79
64
79
84
89
81
91
81
91
74
72
71
71
73

Medium Clouds (% Sky Obscured)

39
49
55
76
81
89
89
97
99
98
100
100
100
94
96
99
99
100
100
100
100
100
100
97

High Clouds (% Sky Obscured)

24
25
25
25
26
25
31
73
38
74
100
100
92
97
38
100
34
100
40
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
9
7
9
9
9
9
9
9
9
9
9
6
7

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

Precipitation Probability (%)

28
10
5
6
7
23
37
36
50
58
52
65
39
15
22
17
35
32
38
51
43
63
63
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.3
0
0.3
0
0
0
0
0
0
0
0
0
0.3
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
5
5
5
5
7
7
7
7
7
7
6
6
6
6
7
7
6
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

90
93
85
90
96
96
91
88
87
88
91
90
95
95
96
95
93
91
91
91
93
93
95
96

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

315
317
320
320
318
315
314
315
324
344
366
373
378
383
384
387
388
391
393
391
389
387
386
389

Monday 22

Waxing Crescent 6%

10:09

17:58

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:00, Set: 15:52, Transit: 11:56. Moon - Rise: 10:09, Set: 17:58. Civil Dark: 16:32 - 07:20. Nautical Dark: 17:15 - 06:37. Astro Dark: 17:56 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
97
96
97
97
97
97
98
99
98
98
98
98
99
100
100

Low Clouds (% Sky Obscured)

76
80
71
62
53
64
76
88
86
84
79
80
83
87
87
88
87
90
91
93
95
98
100
84

Medium Clouds (% Sky Obscured)

94
92
95
97
100
75
44
30
39
33
42
24
14
15
76
24
32
57
78
48
51
57
60
61

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
80
61
45
58
68
78
75
74
68
62
37
45
61
75
87
82

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 (%)

36
11
10
9
2
5
2
0
0
1
1
2
0
1
1
1
1
1
1
0
3
6
14
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

390
392
394
395
395
396
396
396
397
397
396
393
394
395
396
398
398
397
397
395
396
398
400
401

Tuesday 23

Waxing Crescent 12%

10:31

19:15

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:01, Set: 15:53, Transit: 11:57. Moon - Rise: 10:31, Set: 19:15. Civil Dark: 16:33 - 07:21. Nautical Dark: 17:15 - 06:38. Astro Dark: 17:56 - 05:57

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
99
99
98
98
98
99
99
99
100
97
93
89
91

Low Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
99
99
98
98
98
97
96
96
97
98
99
100
96
92
88
90

Medium Clouds (% Sky Obscured)

47
64
52
11
11
8
4
0
0
0
0
0
0
0
0
0
0
4
7
12
31
51
66
60

High Clouds (% Sky Obscured)

58
52
41
30
22
22
23
23
45
68
90
84
72
65
0
0
1
13
25
37
34
31
32
31

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
24
28
33
36
29
24
28
22
27
22
23
24
18
21
23
21
20
20
18
15
13
16

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)

6
7
7
7
7
7
8
9
10
11
11
12
11
12
12
10
10
10
10
11
12
13
13
14

Chance of Frost

Temperature (°C)

5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
5
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
98
98
93
90
91
93
93
91
90
90
88
88
88
86
86
86
82
80
78

Pressure (mb)

1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1015
1016
1016
1017
1017
1017
1018
1018
1019

Ozone (du)

400
400
399
399
397
397
394
391
388
386
386
386
389
389
390
391
391
392
392
392
393
393
394
395

Wednesday 24

Waxing Crescent 19%

10:48

20:33

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:01, Set: 15:53, Transit: 11:57. Moon - Rise: 10:48, Set: 20:33. Civil Dark: 16:33 - 07:21. Nautical Dark: 17:16 - 06:38. Astro Dark: 17:57 - 05:57

Total Clouds (% Sky Obscured)

93
96
97
99
100
100
100
100
100
100
100
100
100
100
97
94
91
92
93
94
90
85
79
78

Low Clouds (% Sky Obscured)

93
96
97
99
100
100
100
100
100
100
100
100
100
100
96
92
88
89
91
93
90
85
79
78

Medium Clouds (% Sky Obscured)

41
39
32
18
0
1
1
2
1
1
0
0
0
0
1
1
1
1
1
1
2
2
5
5

High Clouds (% Sky Obscured)

31
34
24
14
4
5
5
4
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 (%)

15
13
17
20
22
22
21
20
20
19
18
17
16
14
12
9
4
5
4
1
3
2
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
85
85
83
83
83
85
85
85
83
80
76
69
65
64
67
67
67
67
68
65
64
62

Pressure (mb)

1019
1019
1020
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

393
391
389
386
383
380
382
384
385
380
375
370
369
367
366
363
360
356
355
353
351
352
352
352

Thursday 25

Waxing Crescent 28%

11:02

21:51

Sun - Rise: 08:01, Set: 15:54, Transit: 11:58. Moon - Rise: 11:02, Set: 21:51. Civil Dark: 16:34 - 07:21. Nautical Dark: 17:17 - 06:38. Astro Dark: 17:57 - 05:58

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 Bredhurst, Kent, United Kingdom (51.33,0.58)

Generated: 19/12/25 04:55:53. Forecast: 19/12/25 to 25/12/25. Timezone: UTC+0.00