Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 34%

12:24

20:05

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

Sun - Rise: 07:31, Set: 15:54, Transit: 11:43. Moon - Rise: 12:24, Set: 20:05. Civil Dark: 16:32 - 06:53. Nautical Dark: 17:14 - 06:12. Astro Dark: 17:53 - 05:32

Total Clouds (% Sky Obscured)

14
20
27
37
44
49
51
55
54
62
62
60
50
36
15
82
48
41
71
23
38
26
52
89

Low Clouds (% Sky Obscured)

14
20
27
37
44
49
51
55
54
62
62
60
50
36
0
0
0
0
0
0
0
0
5
49

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
15
9
2
13
38
14
52
75

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
0
0
15
82
11
25
62
23
28
23
25
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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
2
2
2
2
1
2
1
1
1
1
1
3
4
5
6
6
4
5
2
0
0
0

Dew Point (°C)

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

Relative Humidity (%)

93
91
88
91
89
88
86
88
88
89
91
93
93
89
83
78
74
70
71
78
82
83
88
89

Pressure (mb)

1018
1018
1019
1019
1020
1020
1020
1020
1021
1021
1021
1022
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1021

Ozone (du)

293
291
292
293
293
294
296
292
289
288
286
288
290
290
287
286
285
283
281
279
277
276
275
275

Wednesday 26

Waxing Crescent 44%

12:39

21:23

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:33, Set: 15:53, Transit: 11:43. Moon - Rise: 12:39, Set: 21:23. Civil Dark: 16:31 - 06:55. Nautical Dark: 17:13 - 06:13. Astro Dark: 17:53 - 05:33

Total Clouds (% Sky Obscured)

88
98
97
98
100
100
100
100
100
100
98
95
99
100
99
96
99
97
99
100
100
100
100
99

Low Clouds (% Sky Obscured)

58
98
87
97
96
100
100
100
92
90
65
60
73
60
55
84
91
85
99
81
59
60
58
74

Medium Clouds (% Sky Obscured)

46
62
97
71
47
39
48
77
35
46
35
33
40
38
28
38
39
49
86
76
55
41
75
83

High Clouds (% Sky Obscured)

4
10
18
41
100
100
100
100
100
90
78
72
71
74
83
85
96
93
85
96
92
100
74
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
1
0
0
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
3
10
4
7
14
35
48
37
35
20
10
30
33
8
5
10
18
12
4
18
12
29
41

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
8
9
11
14
15
16
17
16
16
14
13
13
12
11
12
14
15
16
16
16
17
17
18

Chance of Frost

Temperature (°C)

5
6
7
8
9
9
9
9
10
10
10
11
11
11
11
12
13
13
13
13
13
13
12
12

Feels Like (°C)

2
4
4
3
4
4
4
4
4
5
5
6
7
8
8
9
10
9
9
8
8
8
7
8

Dew Point (°C)

3
4
5
5
5
6
6
7
9
9
10
10
10
11
11
10
10
9
10
11
11
11
11
11

Relative Humidity (%)

88
86
82
79
77
80
81
85
93
93
95
95
96
98
98
89
81
76
80
89
92
92
92
93

Pressure (mb)

1021
1021
1020
1019
1019
1018
1018
1017
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

272
271
270
268
268
267
267
265
265
263
262
262
261
259
260
260
260
259
259
260
261
261
261
260

Thursday 27

Waxing Crescent 55%

12:53

22:42

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:34, Set: 15:52, Transit: 11:43. Moon - Rise: 12:53, Set: 22:42. Civil Dark: 16:30 - 06:56. Nautical Dark: 17:12 - 06:14. Astro Dark: 17:52 - 05:34

Total Clouds (% Sky Obscured)

96
100
96
85
95
100
100
100
99
100
100
99
98
97
100
95
97
100
99
63
44
70
73
58

Low Clouds (% Sky Obscured)

85
94
92
72
85
88
93
86
59
77
84
86
48
21
26
21
37
28
22
24
44
0
7
15

Medium Clouds (% Sky Obscured)

47
65
35
3
32
32
45
58
97
100
94
97
97
97
81
95
97
37
25
3
11
35
20
14

High Clouds (% Sky Obscured)

49
13
40
64
41
100
87
100
70
43
95
47
40
36
67
67
54
38
30
63
0
2
20
28

ISS Passover

Visibility (miles)

9
9
9
9
2
1
0
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
29
14
8
33
57
33
11
7
6
10
6
4
3
0
0
0
1
0
2
10
30
15
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
18
17
16
15
14
13
11
9
9
8
7
7
8
9
11
11
13
14
14
14
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
93
95
96
96
98
95
84
87
88
91
93
90
83
76
76
76
76
78
83
85
88
90

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1010
1010
1010
1010
1011

Ozone (du)

259
257
257
256
254
255
257
260
262
264
267
269
268
267
268
270
270
273
275
277
276
277
277
277

Friday 28

First Quarter 66%

13:05

00:01

20 Bad
21 OK
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
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:36, Set: 15:51, Transit: 11:44. Moon - Rise: 13:05, Set: 00:01. Civil Dark: 16:30 - 06:57. Nautical Dark: 17:12 - 06:15. Astro Dark: 17:52 - 05:35

Total Clouds (% Sky Obscured)

38
39
41
46
42
41
38
42
47
55
71
86
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
28
34
40
39
38
37
36
35
33
22
11
4
13
26
34
52
69
87
91
82
84
85
85

Medium Clouds (% Sky Obscured)

5
39
41
46
42
21
17
42
47
50
67
80
87
94
94
76
82
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

25
15
10
5
0
0
0
9
18
27
51
77
100
100
82
86
99
100
93
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
8
3
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

6
6
5
5
8
7
19
2
1
0
3
4
2
22
21
43
76
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
0.7
0.6
0.9
1.1
2
2.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
94
96
96
94
96
94
91
87
85
84
82
78
79
84
84
90
87
85
82
85
88
88

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008
1008
1007
1007
1006
1005
1004
1003
1003
1003
1002
1002
1002
1001

Ozone (du)

281
283
283
285
286
288
288
288
289
291
294
295
297
301
304
305
304
306
309
313
319
325
329
333

Saturday 29

Waxing Gibbous 77%

13:17

01:22

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:37, Set: 15:51, Transit: 11:44. Moon - Rise: 13:17, Set: 01:22. Civil Dark: 16:29 - 06:59. Nautical Dark: 17:11 - 06:17. Astro Dark: 17:51 - 05:36

Total Clouds (% Sky Obscured)

71
75
85
85
90
95
99
100
100
100
100
100
100
100
100
90
93
94
96
93
90
84
82
79

Low Clouds (% Sky Obscured)

71
75
85
85
90
90
85
90
86
81
87
82
91
89
95
90
89
89
86
88
90
84
82
79

Medium Clouds (% Sky Obscured)

50
45
35
35
40
51
94
98
97
94
95
96
97
98
98
70
75
74
80
75
71
65
57
44

High Clouds (% Sky Obscured)

71
75
85
85
66
47
28
19
10
4
3
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
89
83
79
63
78
76
88
84
80
64
55
43
34
30

Precipitation Amount (mm)

2.2
2.3
2
1.3
1.3
1.7
2.4
1.8
0.9
1
0.7
0.7
0.8
0.3
0.7
0.6
0.5
0.7
0.7
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

11
12
12
11
11
11
12
13
13
14
15
16
17
18
19
19
19
18
17
16
15
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
88
86
86
88
87
87
90
88
88
85
85
84
78
73
73
75
78
81
83
86
90
90

Pressure (mb)

1001
1000
999
999
999
999
999
999
999
1000
1000
1001
1002
1003
1003
1004
1004
1005
1006
1006
1007
1008
1008
1009

Ozone (du)

337
342
344
348
354
352
347
346
350
354
355
354
354
353
352
351
347
345
344
342
345
349
353
349

Sunday 30

Waxing Gibbous 73%

13:31

02:47

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:39, Set: 15:50, Transit: 11:44. Moon - Rise: 13:31, Set: 02:47. Civil Dark: 16:29 - 07:00. Nautical Dark: 17:11 - 06:18. Astro Dark: 17:51 - 05:38

Total Clouds (% Sky Obscured)

71
68
67
67
74
77
82
73
67
64
65
78
87
88
89
90
93
97
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
68
67
67
74
77
74
63
52
38
34
28
23
36
47
62
76
88
100
100
100
100
95
91

Medium Clouds (% Sky Obscured)

30
14
10
5
5
4
3
10
25
25
11
11
7
8
8
12
37
62
75
67
61
55
67
76

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
17
38
61
65
78
84
58
33
5
6
6
6
40
70
99
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
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 (%)

21
18
16
5
8
8
9
8
3
0
2
1
0
0
3
3
14
19
8
15
10
5
23
40

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
10
10
9
8
7
5
4
4
4
4
5
5
6
8
9
11
12
13
14
15
16
16
17

Chance of Frost

Temperature (°C)

5
6
5
5
4
4
4
4
3
3
2
3
3
3
5
6
8
8
8
8
8
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
91
93
96
94
93
91
91
93
94
91
89
88
82
79
74
74
73
73
75
78
81
84

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1008
1008
1007
1007
1006

Ozone (du)

345
340
336
332
327
324
320
316
312
308
304
302
300
297
294
290
287
284
281
278
274
271
267
268

Monday 1

Waxing Gibbous 86%

13:49

04:17

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
17 Bad

Sun - Rise: 07:40, Set: 15:49, Transit: 11:45. Moon - Rise: 13:49, Set: 04:17. Civil Dark: 16:28 - 07:01. Nautical Dark: 17:11 - 06:19. Astro Dark: 17:51 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
96
98
99
100
86
70
51

Low Clouds (% Sky Obscured)

86
91
95
100
92
84
77
63
49
39
45
51
57
64
72
78
83
82
83
68
52
36

Medium Clouds (% Sky Obscured)

84
85
84
85
91
95
99
100
100
100
100
100
100
99
97
96
98
99
100
80
64
51

High Clouds (% Sky Obscured)

100
99
99
99
99
100
100
85
73
65
77
92
100
97
93
88
91
96
100
86
70
51

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
5
2
5
7
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

Precipitation Type

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

Precipitation Probability (%)

72
95
95
95
95
95
95
95
95
90
95
95
95
95
95
95
86
67
47
43
36
16

Precipitation Amount (mm)

0.3
0.9
1.1
1
0.7
1.2
1.4
0.7
0.6
0.5
0.6
0.8
1.1
1.1
0.9
0.8
0.5
0.3
0
0
0
0

Wind Speed/Direction (mph)

18
19
18
18
17
15
14
12
14
16
17
17
18
19
19
19
19
17
16
15
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

268
269
270
271
271
269
267
265
264
263
262
262
262
262
263
264
266
270
274
278
283
289

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

Generated: 25/11/25 20:44:34. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+0.00