Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 77%

19:47

11:37

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
11 Bad

Sun - Rise: 07:47, Set: 15:47, Transit: 11:47. Moon - Rise: 19:47, Set: 11:37. Civil Dark: 16:27 - 07:07. Nautical Dark: 17:09 - 06:25. Astro Dark: 17:49 - 05:45

Total Clouds (% Sky Obscured)

95
96
97
98
100
100
100
93
100
98
100
100
100
100
100
100
100
100
100
100
100
98
100
100

Low Clouds (% Sky Obscured)

61
61
60
63
70
58
60
80
91
93
84
68
79
88
85
83
70
78
56
68
100
76
68
91

Medium Clouds (% Sky Obscured)

95
64
91
97
95
97
95
91
96
76
97
96
100
86
90
87
100
99
67
89
88
94
62
66

High Clouds (% Sky Obscured)

95
96
97
98
100
100
100
26
100
52
100
100
100
100
100
100
100
100
100
100
100
85
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
7
4
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
Very Light Rain
None
None
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

43
61
60
29
36
72
82
51
35
32
37
25
14
16
28
43
63
67
63
65
45
47
35
22

Precipitation Amount (mm)

0
0.2
0
0
0
0.3
0.5
0.2
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
14
13
12
12
12
12
12
12
13
13
13
13
12
12
12
12
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
86
90
90
90
92
95
95
96
93
92
92
90
89
89
87
86
84
84
84
83
83
79

Pressure (mb)

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

Ozone (du)

318
321
321
322
321
321
321
322
322
322
320
317
316
313
308
304
301
299
291
289
289
291
292
293

Tuesday 9

Waning Gibbous 67%

21:12

11:53

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
11 Bad

Sun - Rise: 07:48, Set: 15:47, Transit: 11:47. Moon - Rise: 21:12, Set: 11:53. Civil Dark: 16:27 - 07:08. Nautical Dark: 17:09 - 06:26. Astro Dark: 17:49 - 05:45

Total Clouds (% Sky Obscured)

100
100
97
93
93
94
94
98
95
93
78
100
100
95
100
100
100
100
100
100
97
100
87
95

Low Clouds (% Sky Obscured)

100
100
97
79
82
77
80
66
42
45
15
27
30
43
39
41
57
52
70
58
60
60
63
54

Medium Clouds (% Sky Obscured)

99
42
45
81
78
71
90
89
95
93
78
44
92
92
100
100
98
100
100
100
91
48
43
34

High Clouds (% Sky Obscured)

92
78
81
52
27
3
2
2
0
12
1
100
100
67
99
82
100
100
96
100
59
100
54
86

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
36
40
34
27
11
12
49
48
30
6
1
0
0
0
0
0
0
1
3
1
1
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
21
20
20
21
22
21
21
20
18
14
12
12
11
10
11
10
10
9
11
12
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
79
79
86
80
81
83
86
92
92
89
91
93
90
91
91
93
91
95
95
93
91
88
87

Pressure (mb)

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

Ozone (du)

292
291
288
285
285
284
284
284
284
283
283
283
281
280
280
277
276
276
278
279
280
280
281
284

Wednesday 10

Waning Gibbous 57%

22:31

12:05

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

Sun - Rise: 07:49, Set: 15:47, Transit: 11:48. Moon - Rise: 22:31, Set: 12:05. Civil Dark: 16:27 - 07:09. Nautical Dark: 17:09 - 06:27. Astro Dark: 17:49 - 05:46

Total Clouds (% Sky Obscured)

100
100
65
58
56
55
49
36
3
5
1
28
4
0
0
8
11
32
58
61
65
71
78
87

Low Clouds (% Sky Obscured)

41
47
49
55
51
50
33
8
0
5
0
0
0
0
0
8
11
32
40
48
56
66
76
85

Medium Clouds (% Sky Obscured)

50
50
50
4
56
0
0
0
0
0
0
10
3
0
0
0
0
0
0
0
0
0
0
24

High Clouds (% Sky Obscured)

100
100
49
20
25
25
25
30
2
0
1
21
2
0
0
0
0
8
25
20
20
20
20
15

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 (%)

1
1
1
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)

14
14
13
12
10
10
9
9
8
8
7
8
7
6
5
6
6
5
4
5
6
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
81
83
88
91
95
95
93
93
91
90
88
87
85
85
86
90
91
91
93
96
93
87

Pressure (mb)

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

Ozone (du)

285
289
292
293
295
298
299
301
303
303
302
303
302
300
299
299
301
302
304
304
303
302
303
305

Thursday 11

Third Quarter 46%

23:46

12:05

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
11 Bad

Sun - Rise: 07:49, Set: 15:47, Transit: 11:48. Moon - Rise: 23:46, Set: 12:05. Civil Dark: 16:27 - 07:10. Nautical Dark: 17:09 - 06:27. Astro Dark: 17:49 - 05:47

Total Clouds (% Sky Obscured)

89
91
94
94
94
94
95
95
95
97
99
100
98
96
94
96
94
98
87
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
91
94
91
89
86
87
87
87
82
77
71
75
75
83
83
78
74
82
88
94
87
79
70

Medium Clouds (% Sky Obscured)

56
70
70
69
73
70
72
74
83
88
83
91
92
89
74
39
49
50
53
54
55
50
87
91

High Clouds (% Sky Obscured)

5
5
5
8
11
14
11
3
5
32
61
93
71
43
15
44
70
98
87
100
100
100
96
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
1
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
7
13
31
35
31
44
43
25
11
6
8
13
10
1
1
3
1
3
11
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
93
95
93
93
98
98
95
96
95
95
95
95
95
95
96
96
96
95
93
91
90

Pressure (mb)

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

Ozone (du)

307
308
307
309
308
310
314
317
316
310
304
303
305
305
305
305
305
306
307
307
307
310
311
313

Friday 12

Waning Crescent 36%

00:58

12:16

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
11 Bad

Sun - Rise: 07:50, Set: 15:47, Transit: 11:49. Moon - Rise: 00:58, Set: 12:16. Civil Dark: 16:27 - 07:11. Nautical Dark: 17:09 - 06:28. Astro Dark: 17:49 - 05:48

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
72
43
25
42
61
74
69
63
73
78
80
78

Low Clouds (% Sky Obscured)

71
81
90
88
81
78
62
56
37
23
23
7
3
3
2
22
40
58
48
35
23
26
29
30

Medium Clouds (% Sky Obscured)

64
78
91
87
88
91
78
63
64
58
56
55
52
43
25
42
60
55
50
50
60
60
65
65

High Clouds (% Sky Obscured)

100
96
100
100
97
100
100
100
100
100
100
100
68
37
5
5
5
5
10
10
20
40
45
49

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
1
11
18
30
36
38
30
22
12
2
8
12
14
23
26
25
20
13
5
13
17
19

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
87
91
95
95
93
91
90
87
85
85
87
88
90
93
90
90
88
87
85
84
84
82

Pressure (mb)

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

Ozone (du)

314
314
315
315
315
314
314
315
315
314
313
313
313
314
314
315
316
316
317
318
320
321
321
320

Saturday 13

Waning Crescent 27%

02:09

12:27

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
11 Bad

Sun - Rise: 07:51, Set: 15:47, Transit: 11:49. Moon - Rise: 02:09, Set: 12:27. Civil Dark: 16:27 - 07:12. Nautical Dark: 17:09 - 06:29. Astro Dark: 17:50 - 05:49

Total Clouds (% Sky Obscured)

83
91
100
89
80
72
79
83
89
85
78
71
77
83
89
86
81
78
84
91
98
97
96
95

Low Clouds (% Sky Obscured)

31
35
36
33
31
28
46
60
72
68
60
52
58
67
72
72
69
62
63
63
64
70
77
84

Medium Clouds (% Sky Obscured)

80
90
100
83
68
53
34
21
7
14
23
29
29
25
22
14
8
1
3
6
8
17
20
27

High Clouds (% Sky Obscured)

59
54
45
30
14
0
0
0
0
1
2
3
20
38
55
53
54
52
64
77
90
88
86
85

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 (%)

26
21
8
16
16
20
32
32
28
25
20
7
13
11
3
7
5
1
4
11
12
9
2
2

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
13
13
13
13
13
14
14
15
15
15
15
15
16
16
17
17
18
18
18
18
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
80
78
82
84
88
90
90
88
90
90
90
91
91
91
91
91
91
90
90
90
88
84

Pressure (mb)

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

Ozone (du)

320
335
351
366
364
362
360
356
352
347
345
343
341
337
333
330
328
326
324
322
320
318
316
315

Sunday 14

Waning Crescent 19%

03:21

12:39

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: 07:52, Set: 15:47, Transit: 11:50. Moon - Rise: 03:21, Set: 12:39. Civil Dark: 16:27 - 07:12. Nautical Dark: 17:09 - 06:30. Astro Dark: 17:50 - 05:49

Total Clouds (% Sky Obscured)

97
98
100
98
96
95
96
98
100
100
100
100
100
100
100
97
93
90

Low Clouds (% Sky Obscured)

82
79
79
54
29
5
32
53
63
52
46
40
49
64
72
73
71
68

Medium Clouds (% Sky Obscured)

28
31
30
42
53
67
53
44
27
36
44
50
66
83
100
77
52
26

High Clouds (% Sky Obscured)

90
95
99
98
96
95
96
98
100
100
100
100
98
96
95
88
85
80

ISS Passover

Visibility (miles)

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

Precipitation Type

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 (%)

4
1
0
0
0
0
0
0
0
0
1
2
19
43
57
71
59
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
10
10
10

Feels Like (°C)

5
5
5
4
4
3
3
3
3
3
3
3
3
3
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

82
82
84
84
82
80
78
80
80
80
81
82
85
85
87
85
88
90

Pressure (mb)

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

Ozone (du)

314
311
309
306
307
307
307
307
307
307
305
304
302
303
304
305
306
306

Forecast for Dover, Kent, United Kingdom (51.13,1.31)

Generated: 08/12/25 12:31:21. Forecast: 08/12/25 to 14/12/25. Timezone: UTC+0.00