Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Waning Gibbous 98%

16:53

10:01

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:45, Set: 15:48, Transit: 11:46. Moon - Rise: 16:53, Set: 10:01. Civil Dark: 16:27 - 07:06. Nautical Dark: 17:10 - 06:23. Astro Dark: 17:50 - 05:43

Total Clouds (% Sky Obscured)

100
94
94
98
100
100
87
98
100
71
89
100
100
100
100
76
100
100
100
89
98
67
94
88

Low Clouds (% Sky Obscured)

68
74
75
97
100
100
77
82
59
55
57
51
50
54
61
62
60
54
51
49
54
59
61
55

Medium Clouds (% Sky Obscured)

100
94
94
19
13
8
11
65
81
65
46
100
100
100
100
52
100
60
97
32
84
50
89
84

High Clouds (% Sky Obscured)

100
35
20
0
0
0
0
80
75
5
80
100
89
69
100
1
75
74
100
50
43
35
1
1

ISS Passover

Visibility (miles)

9
9
2
6
9
9
6
7
6
4
5
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
Light Rain
Light Rain
Light Rain
None
None
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
86
95
90
56
54
48
70
77
73
45
46
41
41
25
21
31
45
47
47
34
17
13
10

Precipitation Amount (mm)

0
0.5
2.1
0.6
0
0
0
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
22
24
26
26
27
24
22
20
19
20
18
18
19
19
19
19
19
19
20
20
19
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
5
6
6
6
7
8
8
8
8
7
7
8
8
8
8
8
9
9
9
9
9
9

Relative Humidity (%)

71
78
84
93
90
90
90
90
87
84
85
81
81
83
85
84
85
83
83
83
81
81
80
84

Pressure (mb)

1004
1002
1001
1000
998
997
997
996
996
996
996
996
996
996
996
997
997
998
998
998
998
999
1000
1000

Ozone (du)

294
293
291
295
294
294
296
296
296
298
297
292
291
290
289
288
289
288
283
281
280
282
283
285

Saturday 6

Waning Gibbous 93%

16:53

10:48

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:46, Set: 15:47, Transit: 11:47. Moon - Rise: 16:53, Set: 10:48. Civil Dark: 16:27 - 07:07. Nautical Dark: 17:10 - 06:24. Astro Dark: 17:50 - 05:44

Total Clouds (% Sky Obscured)

86
93
100
100
84
83
89
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

46
38
9
0
0
34
6
0
5
33
68
92
84
75
66
68
91
92
100
96
90
95
84
93

Medium Clouds (% Sky Obscured)

85
36
72
38
0
5
20
6
51
100
99
92
100
100
100
100
97
100
78
100
100
100
99
99

High Clouds (% Sky Obscured)

11
67
100
94
84
68
67
100
100
100
100
100
100
100
100
100
100
72
100
100
100
100
97
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
5
1
0
0
0
3
5
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

11
11
6
5
4
2
2
1
3
7
13
15
11
28
63
95
83
95
95
95
95
95
61
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.8
0.4
0.6
0.8
1.2
1.4
0.8
0
0

Wind Speed/Direction (mph)

19
18
18
17
16
15
15
14
12
11
10
8
7
9
13
14
14
14
16
17
16
18
20
22

Chance of Frost

Temperature (°C)

11
11
10
9
9
9
9
9
8
8
9
10
10
11
11
11
11
11
11
12
12
13
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
85
80
80
82
85
85
88
90
90
95
96
96
95
95
96
98
96
98
96
96
95
92

Pressure (mb)

1001
1002
1003
1003
1004
1005
1005
1006
1006
1006
1007
1007
1006
1006
1006
1006
1005
1005
1004
1003
1002
1002
1001
1001

Ozone (du)

287
287
286
288
289
290
291
289
289
288
289
289
288
289
288
287
285
282
283
281
280
282
285
289

Sunday 7

Waning Gibbous 86%

18:18

11:18

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:47, Set: 15:47, Transit: 11:47. Moon - Rise: 18:18, Set: 11:18. Civil Dark: 16:27 - 07:08. Nautical Dark: 17:09 - 06:25. Astro Dark: 17:50 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
92
74
72
67
67
63
71
71
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
80
50
64
66
55
48
42
44
62
56
61
63
65
61
56
52
60
67
75
70
66

Medium Clouds (% Sky Obscured)

86
95
85
25
3
0
0
0
0
0
4
29
38
100
100
100
93
92
88
92
95
100
90
81

High Clouds (% Sky Obscured)

82
100
36
40
30
9
11
6
6
36
35
100
100
100
100
100
100
100
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
9
9
9
9
9
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

50
41
35
15
6
2
7
0
1
0
0
0
0
1
2
2
4
21
6
10
25
12
54
44

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

23
23
25
24
24
23
20
18
18
18
15
15
15
14
15
14
15
16
17
17
17
17
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
8
7
7
7
7
7
7
7
7
7
8
8
9
9
9
9
9
9
9
9
9

Dew Point (°C)

12
12
12
13
12
10
10
9
9
9
9
10
10
10
11
11
12
11
11
12
12
12
12
12

Relative Humidity (%)

89
90
89
92
86
82
83
86
83
83
87
90
91
93
95
96
95
89
89
90
92
89
92
96

Pressure (mb)

1001
1001
1001
1001
1002
1003
1005
1006
1007
1008
1008
1008
1008
1009
1009
1009
1010
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

293
292
292
295
298
304
306
305
302
302
303
300
300
303
307
311
314
319
321
323
325
330
332
328

Monday 8

Waning Gibbous 77%

19:47

11:39

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:48, Set: 15:47, Transit: 11:48. Moon - Rise: 19:47, Set: 11:39. Civil Dark: 16:27 - 07:09. Nautical Dark: 17:09 - 06:26. Astro Dark: 17:50 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
98
99
100
91
83

Low Clouds (% Sky Obscured)

61
60
60
59
64
68
71
71
70
70
70
69
69
67
65
63
68
71
76
84
92
100
87
75

Medium Clouds (% Sky Obscured)

68
78
88
100
100
100
100
100
55
89
100
100
95
100
100
100
96
88
69
74
68
95
88
80

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
83
75
81
92
96
66
40

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

72
65
64
95
85
95
77
78
77
91
87
66
45
58
70
49
47
42
30
35
33
39
34
40

Precipitation Amount (mm)

0.5
0.4
0.4
0.9
0.6
0.8
0.4
0.4
0.3
0.4
0.4
0.2
0
0
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
16
14
14
15
16
18
17
17
17
18
18
20
20
21
21
22
23
23
23
23
22
21
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
11
11
11
11
11
11
11
11
11
12
12
11
12
12
11
12
12
12
11

Relative Humidity (%)

95
95
96
96
95
93
93
92
93
93
93
93
90
90
93
93
93
93
93
90
93
93
93
92

Pressure (mb)

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

Ozone (du)

325
325
325
324
323
320
315
312
309
310
306
305
299
296
291
289
287
285
284
283
282
280
280
280

Tuesday 9

Waning Gibbous 67%

21:12

11:54

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:49, Set: 15:47, Transit: 11:48. Moon - Rise: 21:12, Set: 11:54. Civil Dark: 16:26 - 07:10. Nautical Dark: 17:09 - 06:27. Astro Dark: 17:50 - 05:47

Total Clouds (% Sky Obscured)

75
82
90
96
97
98
99
98
98
97
98
99
100
93
88
88
88
85
82
78
77
75
62
53

Low Clouds (% Sky Obscured)

65
74
83
93
85
77
67
66
64
64
60
55
51
52
56
59
62
60
64
56
48
39
42
43

Medium Clouds (% Sky Obscured)

71
44
39
66
72
62
90
83
79
76
81
84
89
81
76
73
80
78
75
73
72
70
51
28

High Clouds (% Sky Obscured)

10
1
2
3
4
0
0
28
55
83
89
94
100
70
43
25
43
51
59
44
33
22
12
5

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 (%)

31
28
11
21
36
28
19
15
12
3
5
4
1
10
12
12
16
15
6
7
4
3
8
7

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)

22
23
23
22
22
21
20
15
14
13
12
12
12
11
12
12
12
13
15
16
16
16
16
15

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
12
12
11
11
11
11
11
11
11
12
12
12
12
12
11
11

Feels Like (°C)

7
7
7
7
7
7
7
9
9
9
9
9
8
8
8
7
7
8
8
8
9
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

92
92
87
84
86
89
90
89
89
87
87
88
90
93
91
91
91
87
84
80
81
81
81
84

Pressure (mb)

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

Ozone (du)

279
278
278
278
279
280
281
282
283
284
286
287
288
289
289
290
291
293
294
296
300
303
306
314

Wednesday 10

Waning Gibbous 57%

22:31

12:06

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:50, Set: 15:47, Transit: 11:49. Moon - Rise: 22:31, Set: 12:06. Civil Dark: 16:26 - 07:11. Nautical Dark: 17:09 - 06:28. Astro Dark: 17:50 - 05:47

Total Clouds (% Sky Obscured)

47
39
38
35
36
37
37
37
37
36
44
52
60
65
70
76
73
73
73
74
75
76
81
84

Low Clouds (% Sky Obscured)

43
39
34
31
32
31
32
33
35
36
44
52
59
62
64
67
66
64
63
65
66
67
74
80

Medium Clouds (% Sky Obscured)

14
11
6
0
0
0
0
10
14
19
25
32
37
30
20
6
19
31
47
40
29
18
12
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
5
7
11
22
33
43
44
45
45
50
55
55
60

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
5
4
2
3
2
0
0
0
0
0
0
0
2
2
1
4
3
1
0
0
0
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
15
14
14
14
13
12
11
10
10
9
9
9
9
10
11
13
15
14
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
91
90
90
91
91
91
93
91
91
93
93
93
93
93
93
90
85
83
84
85
87
87

Pressure (mb)

1014
1015
1015
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1018
1018
1017

Ozone (du)

322
329
330
330
331
324
318
311
310
310
309
308
306
305
304
304
303
303
302
301
302
302
302
302

Thursday 11

Third Quarter 46%

23:47

12:17

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: 07:51, Set: 15:47, Transit: 11:49. Moon - Rise: 23:47, Set: 12:17. Civil Dark: 16:27 - 07:12. Nautical Dark: 17:09 - 06:29. Astro Dark: 17:50 - 05:48

Total Clouds (% Sky Obscured)

90
90
90
91
85
80
76
83
83
84
87
90
93

Low Clouds (% Sky Obscured)

83
75
67
57
47
34
26
26
36
43
52
60
68

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
11
19
25

High Clouds (% Sky Obscured)

65
65
75
70
70
64
59
52
51
44
32
29
25

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
2
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
8
8
8
8
8
8
8
8
8
9
9

Feels Like (°C)

6
6
4
4
4
4
3
3
3
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

303
303
301
299
298
298
299
299
300
301
302
303
305

Forecast for Herne, Kent, United Kingdom (51.35,1.12)

Generated: 05/12/25 17:48:57. Forecast: 05/12/25 to 11/12/25. Timezone: UTC+0.00