Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

02:19

18:12

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 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:42, Set: 19:08, Transit: 12:55. Moon - Rise: 02:19, Set: 18:12. Civil Dark: 19:41 - 06:09. Nautical Dark: 20:21 - 05:29. Astro Dark: 21:02 - 04:48

Total Clouds (% Sky Obscured)

93
92
91
84
93
98
83
82
86
94
94
84
100
100
100
100
62
44
43
71
86
73
76
55

Low Clouds (% Sky Obscured)

82
72
73
74
84
96
80
82
78
89
89
79
83
71
72
60
61
44
42
71
61
69
58
55

Medium Clouds (% Sky Obscured)

7
0
0
7
24
20
2
0
6
15
5
5
3
0
6
0
6
3
1
3
10
5
3
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
21
50
65
67
62
13
21
43
38
71
51
68
46

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
3
9
10
4
0
0
0
1
0
1
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
12
12
12
12
12
12
12
14
15
15
17
16
16
15
15
13
12
10
9
9
8
7
6

Chance of Frost

Temperature (°C)

18
18
17
17
17
17
17
18
18
19
20
20
21
21
21
20
20
19
18
18
17
17
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
93
95
95
93
93
92
88
81
76
70
69
67
67
70
70
76
86
96
96
96
95
96

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

266
265
264
263
261
261
262
262
261
260
258
258
257
258
258
259
261
261
260
260
260
260
261
261

Friday 19

Waning Crescent 6%

03:40

18:26

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

Sun - Rise: 06:44, Set: 19:05, Transit: 12:55. Moon - Rise: 03:40, Set: 18:26. Civil Dark: 19:39 - 06:10. Nautical Dark: 20:18 - 05:31. Astro Dark: 21:00 - 04:50

Total Clouds (% Sky Obscured)

57
61
54
63
59
61
59
70
35
40
77
16
10
4
7
5
4
3
4
9
31
60
50
100

Low Clouds (% Sky Obscured)

57
60
52
55
59
61
59
70
35
37
30
7
0
0
3
0
0
0
0
7
25
20
11
0

Medium Clouds (% Sky Obscured)

3
4
3
3
3
12
3
1
0
0
31
0
0
0
0
0
0
0
0
0
1
17
17
18

High Clouds (% Sky Obscured)

40
26
54
56
26
39
40
35
35
31
33
16
9
4
7
5
4
3
4
5
15
8
19
86

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)

6
5
5
5
5
5
5
4
6
7
8
9
10
11
11
11
9
6
5
4
4
3
3
3

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
16
16
17
19
21
22
23
24
24
23
22
21
19
18
17
16
15
15

Feels Like (°C)

16
16
16
15
15
16
15
16
17
19
21
21
22
22
22
21
21
21
19
18
17
15
15
14

Dew Point (°C)

16
16
16
15
15
15
15
15
15
15
15
15
13
11
10
10
11
13
13
13
12
10
9
8

Relative Humidity (%)

96
96
96
96
96
95
95
92
83
77
70
62
52
44
41
41
48
60
69
72
71
68
67
63

Pressure (mb)

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

Ozone (du)

261
261
262
262
261
261
261
262
262
262
263
262
263
264
263
262
261
261
261
261
262
261
260
261

Saturday 20

Waning Crescent 2%

04:58

18:38

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:45, Set: 19:03, Transit: 12:54. Moon - Rise: 04:58, Set: 18:38. Civil Dark: 19:36 - 06:12. Nautical Dark: 20:16 - 05:33. Astro Dark: 20:57 - 04:51

Total Clouds (% Sky Obscured)

80
100
67
67
79
71
84
89
84
100
98
100
100
88
100
100
93
100
90
79
70
67
65
66

Low Clouds (% Sky Obscured)

24
14
33
30
27
40
46
57
58
48
43
47
43
40
52
69
69
68
63
62
60
59
63
64

Medium Clouds (% Sky Obscured)

19
13
16
15
26
71
74
67
84
90
89
92
96
88
21
22
49
75
65
70
55
6
5
25

High Clouds (% Sky Obscured)

45
100
24
60
60
30
30
25
26
100
93
100
100
61
98
100
64
97
70
40
10
7
6
10

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
1
11
2
0
1
0
2
2
5
7
2
2
2
1
2
2
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)

3
2
2
2
2
1
2
2
3
6
7
6
11
12
10
14
13
10
10
11
11
12
13
13

Chance of Frost

Temperature (°C)

14
14
15
14
15
15
15
15
17
19
20
20
21
21
20
20
20
19
18
17
16
15
15
14

Feels Like (°C)

16
14
14
14
14
14
14
14
17
18
18
20
18
18
18
16
17
17
16
16
16
14
13
12

Dew Point (°C)

7
7
7
7
7
7
7
8
9
9
12
12
12
13
14
10
11
12
14
16
15
14
11
10

Relative Humidity (%)

62
61
60
61
60
61
61
62
57
53
60
60
58
60
65
51
58
64
81
95
95
93
78
76

Pressure (mb)

1014
1014
1013
1013
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007

Ozone (du)

261
261
260
261
262
263
262
261
260
259
259
260
260
262
260
261
261
261
261
263
264
264
266
267

Sunday 21

New Moon 0%

06:13

18:48

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 OK
20 Bad
21 Bad
22 Bad
23 OK
00 OK

Sun - Rise: 06:47, Set: 19:01, Transit: 12:54. Moon - Rise: 06:13, Set: 18:48. Civil Dark: 19:34 - 06:14. Nautical Dark: 20:13 - 05:34. Astro Dark: 20:54 - 04:53

Total Clouds (% Sky Obscured)

57
50
42
50
63
65
68
82
83
84
84
84
76
69
65
62
53
57
43
50
49
44
31
20

Low Clouds (% Sky Obscured)

54
45
35
46
57
65
61
66
66
66
66
66
63
61
58
61
42
33
26
21
15
12
8
6

Medium Clouds (% Sky Obscured)

1
1
0
2
4
6
16
18
20
16
18
19
21
19
15
12
10
6
11
15
19
16
15
10

High Clouds (% Sky Obscured)

15
15
15
15
11
0
0
0
0
0
0
0
0
0
0
1
2
22
3
21
23
26
19
7

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 (%)

2
15
19
7
4
2
5
3
2
2
3
0
1
2
1
7
2
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
15
16
17
16
16
15
13
15
14
15
14
12
14
12
12
11
9
5
4
4
3
4
3

Chance of Frost

Temperature (°C)

14
13
13
12
12
12
12
12
12
12
13
13
14
15
15
15
14
14
12
11
11
10
10
10

Feels Like (°C)

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

Dew Point (°C)

11
11
10
10
9
9
8
8
6
5
5
6
7
6
7
7
7
8
9
9
9
8
8
8

Relative Humidity (%)

82
87
83
84
83
81
77
76
64
62
59
62
60
54
59
58
61
69
79
86
87
88
90
88

Pressure (mb)

1007
1007
1007
1007
1007
1008
1009
1010
1011
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1015
1016
1016
1016
1017

Ozone (du)

268
270
272
273
274
275
277
278
278
280
280
281
282
283
284
286
288
290
290
290
290
290
294
299

Monday 22

Waxing Crescent 1%

07:26

18:58

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

Sun - Rise: 06:48, Set: 18:59, Transit: 12:53. Moon - Rise: 07:26, Set: 18:58. Civil Dark: 19:32 - 06:15. Nautical Dark: 20:11 - 05:36. Astro Dark: 20:52 - 04:55

Total Clouds (% Sky Obscured)

33
39
49
41
31
25
27
31
35
37
38
39
56
73
90
93
96
97
84
73
59
51
51
55

Low Clouds (% Sky Obscured)

6
6
3
4
8
11
20
28
35
37
38
39
41
44
46
40
33
27
34
41
48
48
48
50

Medium Clouds (% Sky Obscured)

17
23
29
22
16
8
5
2
0
1
7
21
27
33
42
73
83
93
77
65
55
38
21
4

High Clouds (% Sky Obscured)

26
1
0
0
0
0
0
0
1
22
30
25
43
68
86
61
38
18
16
9
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
8
9
9
9
8
8
8
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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
2
2
4
6
10
23
31
32
29
22
16
22
34
43
36
28
16
14
9
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
8
10
11
12
14
15
15
16
16
17
16
15
13
13
12
11
11
11

Feels Like (°C)

10
8
9
8
8
8
7
9
11
12
12
12
13
14
14
14
14
15
15
10
10
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

88
90
88
88
87
81
78
73
63
56
50
47
56
56
56
56
63
70
79
77
79
77
76
74

Pressure (mb)

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

Ozone (du)

299
302
304
304
304
303
305
308
311
313
312
310
309
309
309
309
309
310
310
310
311
311
311
310

Tuesday 23

Waxing Crescent 3%

08:38

19:09

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:50, Set: 18:56, Transit: 12:53. Moon - Rise: 08:38, Set: 19:09. Civil Dark: 19:29 - 06:17. Nautical Dark: 20:08 - 05:38. Astro Dark: 20:49 - 04:57

Total Clouds (% Sky Obscured)

68
82
95
97
98
100
89
76
73
75
77
70
81
87
93
92
96
100
96
98
97
96
99
94

Low Clouds (% Sky Obscured)

48
49
48
55
68
76
70
64
58
64
66
70
81
87
88
91
94
97
96
98
97
96
95
93

Medium Clouds (% Sky Obscured)

8
14
23
24
25
26
20
10
9
9
10
30
59
67
66
72
73
70
65
10
5
5
5
5

High Clouds (% Sky Obscured)

25
48
69
78
86
95
67
33
0
32
64
70
81
87
93
92
95
90
90
85
71
37
17
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

3
2
0
28
30
25
35
40
45
50
57
63
69
74
78
67
56
43
44
43
42
42
43
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.6
0.7
0.4
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
6
7
7
6
7
5
5
6
6
7
7
11
11
11
11
10
10
9
9
10
9
9

Dew Point (°C)

6
6
5
5
5
4
4
3
3
3
2
3
2
2
2
2
2
2
1
3
4
5
6
7

Relative Humidity (%)

73
73
73
73
72
70
69
63
60
56
52
48
44
44
45
46
47
47
47
54
60
67
73
78

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021

Ozone (du)

309
310
311
311
312
313
314
314
314
315
315
314
314
314
315
315
314
314
313
313
312
312
311
310

Wednesday 24

Waxing Crescent 7%

09:51

19:21

Sun - Rise: 06:52, Set: 18:54, Transit: 12:53. Moon - Rise: 09:51, Set: 19:21. Civil Dark: 19:27 - 06:19. Nautical Dark: 20:06 - 05:40. Astro Dark: 20:47 - 04:59

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 18/09/25 01:07:19. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00