Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Waxing Crescent 19%

10:44

20:31

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

Sun - Rise: 07:57, Set: 15:51, Transit: 11:54. Moon - Rise: 10:44, Set: 20:31. Civil Dark: 16:31 - 07:18. Nautical Dark: 17:14 - 06:35. Astro Dark: 17:54 - 05:55

Total Clouds (% Sky Obscured)

82
74
64
60
41
49
45
45
52
61
37
62
58
52
51
39
54
48
42
40
36
37
46
45

Low Clouds (% Sky Obscured)

62
48
47
48
41
49
45
45
52
61
37
62
58
52
51
39
54
48
42
40
36
37
46
45

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
0
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 (%)

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)

23
22
22
22
21
21
22
22
23
23
24
24
24
24
25
25
26
26
27
27
27
27
27
26

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
64
62
61
61
61
60
61
59
57
55
54
53
52
49
49
48
47
47
47
47
48
51
54

Pressure (mb)

1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1030
1030
1029
1029
1028
1028
1028
1028
1028
1028

Ozone (du)

351
353
350
350
349
350
352
350
347
344
346
349
352
353
354
357
363
367
367
365
365
367
371
371

Thursday 25

Waxing Crescent 28%

10:58

21:48

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
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:58, Set: 15:52, Transit: 11:55. Moon - Rise: 10:58, Set: 21:48. Civil Dark: 16:32 - 07:18. Nautical Dark: 17:14 - 06:35. Astro Dark: 17:55 - 05:55

Total Clouds (% Sky Obscured)

44
70
76
55
61
74
69
66
64
55
72
60
65
66
82
77
76
78
74
72
69
67
68
65

Low Clouds (% Sky Obscured)

44
70
76
55
61
74
69
66
64
55
72
60
65
66
82
77
76
78
74
72
69
67
68
65

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
0
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 (%)

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)

25
23
22
21
20
19
19
17
17
16
16
16
14
13
12
12
13
14
14
14
14
14
14
13

Chance of Frost

Temperature (°C)

2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-4
-4
-4
-3
-3
-3
-4
-3
-3
-3
-3
-3
-2
-2
-2
-2
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

57
59
59
61
62
62
63
64
63
64
64
64
67
67
69
70
70
72
72
72
73
72
73
73

Pressure (mb)

1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1027
1027

Ozone (du)

371
369
367
364
362
362
359
358
359
362
366
365
358
357
357
355
352
350
349
349
346
343
339
336

Friday 26

Waxing Crescent 38%

11:11

23:06

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

Sun - Rise: 07:58, Set: 15:53, Transit: 11:55. Moon - Rise: 11:11, Set: 23:06. Civil Dark: 16:32 - 07:18. Nautical Dark: 17:15 - 06:36. Astro Dark: 17:55 - 05:55

Total Clouds (% Sky Obscured)

62
63
70
72
68
71
70
74
67
67
42
42
35
42
46
44
47
61
58
41
32
31
33
41

Low Clouds (% Sky Obscured)

62
63
70
72
68
71
70
71
64
56
42
42
35
42
46
44
47
25
12
0
0
14
27
41

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
43
4
4
4
4
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
1
2
2
3
25
23
25
4
3
2
19
30
31
37
61
58
41
32
23
13
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 (%)

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)

14
14
14
14
14
15
15
14
15
15
14
14
15
15
15
15
15
15
15
14
14
15
14
14

Chance of Frost

Temperature (°C)

4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
69
68
67
68
68
70
69
68
68
63
59
54
52
53
54
54
54
57
60
65
74
78
82

Pressure (mb)

1027
1028
1028
1028
1028
1028
1029
1029
1029
1030
1030
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1033
1033
1034

Ozone (du)

332
329
326
325
323
321
319
319
317
318
316
312
310
309
308
306
305
304
303
303
302
301
301
301

Saturday 27

First Quarter 50%

11:22

00:26

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
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:58, Set: 15:54, Transit: 11:56. Moon - Rise: 11:22, Set: 00:26. Civil Dark: 16:33 - 07:18. Nautical Dark: 17:16 - 06:36. Astro Dark: 17:56 - 05:55

Total Clouds (% Sky Obscured)

53
65
79
86
91
94
96
98
100
100
100
96
90
96
92
89
87
82
83
92
100
94
86
79

Low Clouds (% Sky Obscured)

53
65
79
86
90
94
96
98
100
100
100
96
90
96
92
89
86
80
83
92
100
92
84
77

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)

1
2
2
2
4
0
0
0
0
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 (%)

0
0
1
0
0
1
2
18
18
8
4
2
2
2
1
2
2
0
1
1
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
81
81
80
81
81
79
79
79
78
73
78
78
75
77
78
75
74
75
74
70
68
68

Pressure (mb)

1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1035
1035
1035
1035
1034
1034
1034
1034
1034
1034
1033
1034
1034

Ozone (du)

301
300
300
300
299
299
297
296
294
292
291
290
293
294
296
297
296
295
293
292
291
290
292
291

Sunday 28

Waxing Gibbous 61%

11:35

01:50

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 OK
01 Bad
02 OK
03 OK
04 Good
05 Good
06 Good
07 Good
08 OK

Sun - Rise: 07:58, Set: 15:54, Transit: 11:56. Moon - Rise: 11:35, Set: 01:50. Civil Dark: 16:34 - 07:18. Nautical Dark: 17:17 - 06:36. Astro Dark: 17:57 - 05:56

Total Clouds (% Sky Obscured)

84
87
91
81
78
73
75
72
73
69
64
57
55
52
50
46
40
29
18
8
0
6
13
26

Low Clouds (% Sky Obscured)

82
86
91
81
78
73
75
72
73
69
64
57
55
52
50
46
40
29
18
8
0
2
4
6

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

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 (%)

5
3
6
0
0
0
0
0
0
0
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
3
2
3
3
2
2
2
2
2
1
1
1
1
2
2
2
2
2
2
2
2
3
3

Relative Humidity (%)

69
71
68
70
73
72
76
83
83
82
80
82
82
82
85
86
88
88
89
91
91
94
94
94

Pressure (mb)

1034
1034
1034
1034
1034
1034
1033
1034
1034
1034
1034
1034
1034
1034
1034
1033
1033
1033
1033
1033
1032
1032
1032
1032

Ozone (du)

291
292
291
290
289
287
287
287
288
288
288
288
287
286
285
284
286
287
288
287
287
286
288
290

Monday 29

Waxing Gibbous 72%

11:51

03:18

09 OK
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
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

Sun - Rise: 07:58, Set: 15:55, Transit: 11:57. Moon - Rise: 11:51, Set: 03:18. Civil Dark: 16:35 - 07:19. Nautical Dark: 17:17 - 06:36. Astro Dark: 17:58 - 05:56

Total Clouds (% Sky Obscured)

36
44
54
50
44
38
45
50
58
73
83
94
99
99
99
99
99
99
95
92
88
84
81
76

Low Clouds (% Sky Obscured)

28
44
54
50
44
38
45
50
58
73
74
70
81
88
95
95
95
95
85
76
68
64
59
54

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)

4
6
7
5
4
4
3
2
1
31
63
93
84
74
65
72
75
82
73
50
44
35
26
14

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
1
0
0
7
10
10
18
24
24
21
21
16
17
15
12

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
91
86
83
85
85
86
88
88
88
89
91
93
86
82
76
75
72
70
69
66
66
65
65

Pressure (mb)

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

Ozone (du)

292
290
287
285
283
282
281
285
289
294
293
293
293
292
292
291
289
286
284
281
279
277
275
274

Tuesday 30

Waxing Gibbous 82%

12:11

04:50

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: 07:58, Set: 15:56, Transit: 11:57. Moon - Rise: 12:11, Set: 04:50. Civil Dark: 16:36 - 07:19. Nautical Dark: 17:18 - 06:36. Astro Dark: 17:59 - 05:56

Total Clouds (% Sky Obscured)

72
73
76
83
87
92
90
89
88
85
83
81
85
89
95
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

60
65
70
73
76
78
78
78
78
74
72
73
72
72
72
59
43
32
32
32
34

Medium Clouds (% Sky Obscured)

0
0
0
4
6
8
10
12
11
11
8
8
7
3
0
33
67
100
87
78
69

High Clouds (% Sky Obscured)

10
7
4
2
1
0
0
0
0
0
0
0
12
26
38
60
80
100
90
85
77

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

Fog (%)

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

Precipitation Probability (%)

16
16
14
26
27
22
24
21
9
24
22
18
22
21
18
15
9
3
6
5
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
2
3
5
4
4
4
2
1
-0
1
1
2
2
2
2
2
1
0
0
1

Relative Humidity (%)

65
71
78
85
84
84
82
76
71
67
72
78
83
86
86
88
86
83
82
82
85

Pressure (mb)

1032
1032
1032
1032
1031
1031
1031
1031
1030
1030
1030
1030
1029
1029
1028
1027
1027
1026
1025
1024
1023

Ozone (du)

273
277
280
284
293
302
311
317
324
331
331
332
332
335
337
340
341
342
343
345
347

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

Generated: 24/12/25 09:50:04. Forecast: 24/12/25 to 30/12/25. Timezone: UTC+0.00