Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 9

Waning Gibbous 67%

21:18

12:00

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
12 Bad
13 Bad

Sun - Rise: 07:55, Set: 15:53, Transit: 11:54. Moon - Rise: 21:18, Set: 12:00. Civil Dark: 16:32 - 07:16. Nautical Dark: 17:15 - 06:33. Astro Dark: 17:56 - 05:53

Total Clouds (% Sky Obscured)

80
84
82
85
78
94
99
100
100
100
100
100
53
100
100
54
53
53
58
60
57
52
42
57

Low Clouds (% Sky Obscured)

79
79
73
62
60
53
32
28
34
39
46
54
51
64
66
54
53
53
58
60
57
52
42
57

Medium Clouds (% Sky Obscured)

70
84
46
85
76
94
88
34
40
45
57
63
3
42
43
7
53
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

5
2
34
8
6
11
56
58
77
100
100
100
53
100
100
54
50
35
35
5
0
0
0
0

ISS Passover

Visibility (miles)

9
8
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
95
83
24
4
1
0
0
1
4
2
2
2
3
3
2
1
1
4
5
3
1
2
0

Precipitation Amount (mm)

0
1.2
0.6
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)

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

Chance of Frost

Temperature (°C)

13
13
14
14
13
13
12
12
11
11
11
11
11
11
11
10
10
10
10
10
11
12
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
89
89
84
82
83
86
86
87
87
88
90
90
90
88
91
90
88
88
88
86
81
79
79

Pressure (mb)

1002
1002
1002
1003
1003
1005
1006
1007
1007
1008
1009
1009
1010
1010
1010
1011
1011
1012
1013
1014
1015
1015
1016
1016

Ozone (du)

283
283
285
285
285
286
286
288
286
285
283
282
282
282
283
285
289
293
298
298
298
300
301
313

Wednesday 10

Waning Gibbous 57%

22:38

12:12

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

Sun - Rise: 07:56, Set: 15:53, Transit: 11:55. Moon - Rise: 22:38, Set: 12:12. Civil Dark: 16:32 - 07:17. Nautical Dark: 17:15 - 06:34. Astro Dark: 17:56 - 05:53

Total Clouds (% Sky Obscured)

65
47
35
37
27
23
4
0
0
0
4
30
54
64
58
54
65
63
66
61
75
80
95
95

Low Clouds (% Sky Obscured)

65
47
35
37
27
23
4
0
0
0
4
30
54
64
58
54
65
63
66
61
75
80
95
95

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
0
0
0
4
30
7
8
5
6
3
2
0
0
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
87
90
91
93
93
93
91
91
93
93
94
94
94
95
95
96
95
95
91
87
84
85

Pressure (mb)

1017
1017
1018
1019
1020
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1019
1018
1018

Ozone (du)

317
317
316
317
316
317
317
314
308
307
304
303
302
302
304
302
302
302
301
300
299
298
300
299

Thursday 11

Third Quarter 46%

23:53

12:23

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
12 Bad
13 Bad

Sun - Rise: 07:57, Set: 15:53, Transit: 11:55. Moon - Rise: 23:53, Set: 12:23. Civil Dark: 16:32 - 07:18. Nautical Dark: 17:15 - 06:35. Astro Dark: 17:56 - 05:54

Total Clouds (% Sky Obscured)

90
92
100
54
52
95
95
98
99
100
100
99
100
100
100
97
100
99
100
100
100
99
94
89

Low Clouds (% Sky Obscured)

90
82
62
36
51
53
63
62
99
75
80
78
70
76
83
78
70
73
94
87
97
82
79
73

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
31
81
93
97
99
81
96
83
24
14
20
26
32
34
41
32
24

High Clouds (% Sky Obscured)

0
72
85
21
3
90
75
78
80
100
100
83
99
100
100
40
100
93
79
97
28
29
24
19

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
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

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

Precipitation Probability (%)

1
1
1
0
0
0
0
0
1
4
1
3
4
1
2
1
1
4
11
54
79
60
47
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
90
93
95
95
95
93
93
95
95
95
95
95
96
96
96
96
96
95
90
87
85
90
87

Pressure (mb)

1017
1017
1017
1017
1016
1017
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1017

Ozone (du)

296
295
296
297
298
302
307
305
304
304
304
304
305
307
309
311
311
311
310
311
312
313
315
317

Friday 12

Waning Crescent 36%

01:05

12:34

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 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:58, Set: 15:53, Transit: 11:56. Moon - Rise: 01:05, Set: 12:34. Civil Dark: 16:32 - 07:19. Nautical Dark: 17:15 - 06:36. Astro Dark: 17:56 - 05:55

Total Clouds (% Sky Obscured)

84
87
90
93
92
91
90
92
88
98
62
39
16
33
52
70
81
85
83
84
85
81
83
89

Low Clouds (% Sky Obscured)

73
52
24
0
0
0
0
9
19
28
22
19
15
11
8
4
9
13
17
34
53
66
59
57

Medium Clouds (% Sky Obscured)

24
24
41
79
71
78
76
68
59
64
27
11
0
8
18
32
40
46
47
47
56
56
59
62

High Clouds (% Sky Obscured)

14
13
11
10
20
26
31
52
63
80
53
28
0
0
0
0
0
0
0
0
0
0
26
59

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 (%)

30
18
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
11
15
18
33
32

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
9
8
7
6
5
4
5
4
4
4
4
4
5
5
5
5
6
6
6
8
11
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
5
6
5
4
3
3
3
2
4
2
4
4
4
4
5
5
5
5
7
7
7
8
8

Dew Point (°C)

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

Relative Humidity (%)

85
84
85
93
91
90
86
88
88
89
89
91
91
89
90
90
90
90
91
93
87
82
81
80

Pressure (mb)

1017
1018
1019
1020
1021
1022
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1026
1025
1025
1024
1024

Ozone (du)

318
318
320
323
326
327
329
328
328
331
333
343
362
360
362
363
363
354
351
351
348
344
339
337

Saturday 13

Waning Crescent 27%

02:17

12:45

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
12 Bad
13 Bad

Sun - Rise: 07:59, Set: 15:53, Transit: 11:56. Moon - Rise: 02:17, Set: 12:45. Civil Dark: 16:33 - 07:19. Nautical Dark: 17:15 - 06:36. Astro Dark: 17:56 - 05:56

Total Clouds (% Sky Obscured)

90
87
93
96
95
98
100
100
100
100
100
100
100
100
100
100
56
50
43
51
59
69
72
75

Low Clouds (% Sky Obscured)

50
49
45
46
56
63
71
78
82
85
90
95
100
93
85
78
56
48
35
46
58
66
70
69

Medium Clouds (% Sky Obscured)

60
58
56
54
61
58
60
60
64
69
62
55
54
60
67
75
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

83
74
78
83
71
90
100
73
47
20
45
71
96
90
88
79
14
18
25
18
12
4
3
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 (%)

27
28
25
15
25
24
19
37
43
38
29
22
17
26
38
55
0
1
0
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)

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

Chance of Frost

Temperature (°C)

10
10
10
9
10
10
10
10
10
11
11
10
10
10
9
9
8
6
7
6
8
9
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
91
93
91
93
93
91
91
93
91
91
88
85
90
90
91
91
93
94
93
90
90
90

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1024
1024
1024
1023
1023
1022
1021

Ozone (du)

333
329
323
320
317
316
315
312
311
310
306
304
302
300
301
305
306
305
305
304
303
301
300
299

Sunday 14

Waning Crescent 19%

03:28

12:58

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
12 Bad
13 Bad

Sun - Rise: 08:00, Set: 15:53, Transit: 11:57. Moon - Rise: 03:28, Set: 12:58. Civil Dark: 16:33 - 07:20. Nautical Dark: 17:16 - 06:37. Astro Dark: 17:56 - 05:57

Total Clouds (% Sky Obscured)

78
84
89
91
87
79
67
82
86
92
96
97
98
93
88
88
78
66
66
73
83
91
92
92

Low Clouds (% Sky Obscured)

70
75
74
66
58
54
47
44
46
51
54
62
65
76
82
78
78
66
66
73
82
80
79
78

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
1
4
6
9
14
34
55
54
38
17
9
4
2
2
1
0
0
0

High Clouds (% Sky Obscured)

3
1
2
4
3
1
0
21
41
61
46
31
15
10
5
0
1
1
2
20
37
54
55
56

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
3
5
2
4
8
4
8
9
5
15
26
35
40
38
17
14
10
3
5
5
2
6
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

299
298
301
305
308
312
316
320
322
324
326
330
334
338
334
331
328
322
317
312
311
311
311
311

Monday 15

Waning Crescent 12%

04:41

13:14

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: 08:01, Set: 15:53, Transit: 11:57. Moon - Rise: 04:41, Set: 13:14. Civil Dark: 16:33 - 07:21. Nautical Dark: 17:16 - 06:38. Astro Dark: 17:56 - 05:57

Total Clouds (% Sky Obscured)

92
91
88
85
86
90
94
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
78
79
78
75
78
78
76
73
67
77
88
90
87
87
85
86
89
93
95
95
96

Medium Clouds (% Sky Obscured)

0
4
5
8
8
9
10
20
29
39
55
70
89
89
89
89
87
85
80
76
77
82

High Clouds (% Sky Obscured)

57
44
29
14
40
66
91
94
97
100
84
58
24
43
66
88
64
42
19
22
21
39

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

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

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

Precipitation Probability (%)

3
4
3
0
3
4
0
1
1
0
0
1
2
10
33
65
76
81
63
71
73
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.2
0.3
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
88
88
91
91
91
93
95
93
95
95
95
96
96
96
96
95
96
95
95
93

Pressure (mb)

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

Ozone (du)

310
310
310
309
309
309
309
309
310
310
311
317
322
327
320
312
304
304
304
304
306
308

Forecast for Esher, Surrey, United Kingdom (51.36,-0.38)

Generated: 09/12/25 14:50:29. Forecast: 09/12/25 to 15/12/25. Timezone: UTC+0.00