Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

03:36

18:09

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

Sun - Rise: 06:40, Set: 19:04, Transit: 12:51. Moon - Rise: 03:36, Set: 18:09. Civil Dark: 19:37 - 06:06. Nautical Dark: 20:17 - 05:27. Astro Dark: 20:58 - 04:45

Total Clouds (% Sky Obscured)

31
29
46
56
67
60
45
46
41
47
92
96
49
62
52
85
55
53
92
41
38
25
29
22

Low Clouds (% Sky Obscured)

31
29
46
56
67
60
45
44
41
30
40
43
46
38
34
34
40
48
41
34
38
23
29
22

Medium Clouds (% Sky Obscured)

0
0
0
2
2
0
0
5
0
3
3
18
49
59
52
85
55
45
30
7
1
0
0
0

High Clouds (% Sky Obscured)

0
0
1
4
2
0
2
0
9
47
88
93
35
29
30
40
6
6
64
11
2
6
2
22

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
71
76

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
1
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)

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

Chance of Frost

Temperature (°C)

20
21
21
22
22
23
22
22
20
19
18
18
17
17
17
17
17
16
16
16
16
16
17
18

Feels Like (°C)

17
18
18
19
20
20
20
20
19
17
16
16
15
15
16
16
16
15
16
16
16
17
17
19

Dew Point (°C)

16
16
15
15
14
14
15
15
15
15
15
15
15
15
15
15
15
14
15
15
14
14
14
14

Relative Humidity (%)

78
73
68
62
61
59
62
65
70
75
81
86
86
86
86
86
87
87
90
92
92
92
86
76

Pressure (mb)

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

Ozone (du)

265
265
265
263
261
259
259
259
258
257
257
257
256
255
256
256
256
257
256
256
257
259
261
262

Friday 19

Waning Crescent 6%

04:54

18:22

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

Sun - Rise: 06:41, Set: 19:01, Transit: 12:50. Moon - Rise: 04:54, Set: 18:22. Civil Dark: 19:35 - 06:08. Nautical Dark: 20:14 - 05:28. Astro Dark: 20:56 - 04:47

Total Clouds (% Sky Obscured)

18
19
69
17
100
83
43
42
28
9
4
7
10
100
100
69
39
10
12
10
53
58
71
85

Low Clouds (% Sky Obscured)

15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
27

Medium Clouds (% Sky Obscured)

0
0
2
2
2
51
20
18
10
3
3
7
10
66
64
49
39
10
12
10
53
58
71
85

High Clouds (% Sky Obscured)

18
19
63
16
100
76
40
40
27
9
4
1
2
85
86
47
15
10
12
10
5
20
20
25

ISS Passover

Visibility (miles)

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

Fog (%)

10
2
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
13
3
0
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)

7
8
9
11
11
12
11
11
9
7
6
5
5
5
4
3
3
3
2
2
4
3
2
2

Chance of Frost

Temperature (°C)

20
21
23
24
25
25
24
23
22
20
19
18
18
17
17
16
16
16
16
16
15
15
16
18

Feels Like (°C)

19
21
22
22
23
21
20
20
20
19
18
18
17
17
15
15
14
15
15
15
14
14
16
17

Dew Point (°C)

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

Relative Humidity (%)

69
60
48
39
33
32
31
33
39
46
48
49
50
53
54
56
56
55
58
56
54
64
62
58

Pressure (mb)

1020
1019
1019
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1011

Ozone (du)

261
261
261
261
260
260
260
261
261
261
261
260
260
259
260
261
260
259
259
260
259
262
261
261

Saturday 20

Waning Crescent 2%

06:09

18:34

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 OK
23 Good
00 Bad
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 OK
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:43, Set: 18:59, Transit: 12:50. Moon - Rise: 06:09, Set: 18:34. Civil Dark: 19:32 - 06:10. Nautical Dark: 20:12 - 05:30. Astro Dark: 20:53 - 04:49

Total Clouds (% Sky Obscured)

85
96
100
95
97
76
76
37
94
76
67
71
41
11
65
23
26
55
46
45
26
45
60
65

Low Clouds (% Sky Obscured)

33
27
15
14
18
26
24
25
54
58
49
53
41
0
6
23
26
35
40
45
26
33
30
27

Medium Clouds (% Sky Obscured)

82
94
98
90
81
29
24
4
30
10
3
5
3
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

25
70
100
89
92
41
24
15
47
59
35
30
2
10
65
2
1
35
21
3
0
20
40
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
3
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
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
15
31
8
3
13
14
34
23
43
1
0
0
0
0
0
0
0
0
0
1
2
5
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
10
10
12
14
15
15
14
13
15
18
19
20
19
18
17
17
17
18
18
18
17
17

Chance of Frost

Temperature (°C)

19
20
21
21
21
22
22
21
20
19
19
19
18
16
15
14
14
14
14
14
14
13
14
15

Feels Like (°C)

17
18
18
19
19
19
19
19
20
18
18
16
13
12
10
9
9
9
9
9
10
9
10
11

Dew Point (°C)

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

Relative Humidity (%)

58
54
54
60
59
64
66
69
75
84
85
69
62
69
74
73
71
70
71
74
72
72
70
65

Pressure (mb)

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

Ozone (du)

259
258
257
259
260
261
262
263
264
265
266
266
266
269
270
271
272
272
273
273
274
274
275
276

Sunday 21

New Moon 0%

07:22

18:44

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

Sun - Rise: 06:44, Set: 18:57, Transit: 12:50. Moon - Rise: 07:22, Set: 18:44. Civil Dark: 19:30 - 06:11. Nautical Dark: 20:09 - 05:32. Astro Dark: 20:51 - 04:51

Total Clouds (% Sky Obscured)

70
76
100
99
100
100
94
90
60
56
59
48
36
35
37
45
50
46
39
39
32
37
74
86

Low Clouds (% Sky Obscured)

33
39
44
56
67
78
75
71
60
56
59
48
36
35
25
37
46
46
39
39
32
37
48
48

Medium Clouds (% Sky Obscured)

3
6
9
15
24
78
37
39
38
42
46
36
36
23
17
20
25
24
21
19
15
15
14
43

High Clouds (% Sky Obscured)

70
76
100
97
100
100
68
37
0
0
0
0
0
0
0
0
0
0
0
0
0
1
11
20

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 (%)

7
10
15
12
17
3
7
4
2
6
7
5
12
11
5
12
10
3
10
10
4
16
19
24

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)

18
16
16
16
16
16
16
15
14
12
12
10
9
9
9
9
10
9
9
8
8
8
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
52
48
53
49
45
51
55
61
64
70
75
75
77
81
83
83
81
81
83
84
83
76
68

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1012
1012
1012
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1017
1018

Ozone (du)

278
278
278
279
282
284
287
290
295
297
298
300
302
300
300
299
300
301
304
308
311
310
311
310

Monday 22

Waxing Crescent 1%

08:34

18:54

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
09 Bad

Sun - Rise: 06:46, Set: 18:54, Transit: 12:49. Moon - Rise: 08:34, Set: 18:54. Civil Dark: 19:28 - 06:13. Nautical Dark: 20:07 - 05:34. Astro Dark: 20:48 - 04:53

Total Clouds (% Sky Obscured)

85
89
91
88
83
79
76
75
72
65
60
58
72
85
99
99
98
99
95
80
61
55
47
45

Low Clouds (% Sky Obscured)

47
66
65
57
46
40
33
31
24
16
11
5
9
14
18
28
33
37
35
34
33
40
47
45

Medium Clouds (% Sky Obscured)

72
67
84
88
80
77
70
61
64
65
33
28
31
34
35
33
22
17
18
33
40
45
47
45

High Clouds (% Sky Obscured)

7
2
5
17
8
4
2
2
3
2
1
0
28
57
85
85
86
86
95
80
61
55
47
45

ISS Passover

Visibility (miles)

9
9
8
9
5
7
4
5
5
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 (%)

39
43
38
41
42
43
40
42
31
11
5
2
8
7
5
18
22
22
25
22
13
36
40
42

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
58
56
61
64
69
73
71
69
66
68
70
72
72
73
74
77
77
78
80
82
82
69
58

Pressure (mb)

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

Ozone (du)

311
310
310
309
310
311
311
312
311
310
309
308
306
305
304
304
304
304
304
303
302
302
302
302

Tuesday 23

Waxing Crescent 3%

09:47

19:05

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
09 Bad

Sun - Rise: 06:48, Set: 18:52, Transit: 12:49. Moon - Rise: 09:47, Set: 19:05. Civil Dark: 19:25 - 06:14. Nautical Dark: 20:05 - 05:35. Astro Dark: 20:45 - 04:55

Total Clouds (% Sky Obscured)

51
52
62
71
75
83
88
95
99
98
99
100
100
100
100
100
100
91
82
77
72
62
56
50

Low Clouds (% Sky Obscured)

51
52
62
62
53
46
50
59
73
72
69
66
57
51
46
65
80
91
82
77
72
62
56
50

Medium Clouds (% Sky Obscured)

40
35
30
25
20
20
25
35
25
10
5
5
0
0
5
5
17
27
33
35
46
48
44
40

High Clouds (% Sky Obscured)

51
50
40
27
13
0
18
43
70
90
90
95
95
95
95
64
30
1
24
47
70
62
56
50

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

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

Precipitation Probability (%)

51
64
82
71
67
69
66
61
57
67
79
89
85
81
79
81
77
68
59
47
36
28
21
12

Precipitation Amount (mm)

0.2
0.4
0.7
0.4
0.4
0.4
0.4
0.3
0.3
0.4
0.5
0.7
0.5
0.4
0.2
0.4
0.4
0.4
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
49
48
48
48
49
49
49
48
48
50
53
56
60
65
71
72
73
76
80
84
88
80
71

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023

Ozone (du)

303
303
303
304
304
304
305
304
304
304
304
304
304
304
304
304
304
305
305
304
304
303
303
302

Wednesday 24

Waxing Crescent 7%

No Rise

19:17

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 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 06:49, Set: 18:50, Transit: 12:49. Moon - Rise: No Rise, Set: 19:17. Civil Dark: 19:23 - 06:16. Nautical Dark: 20:02 - 05:37. Astro Dark: 20:43 - 04:57

Total Clouds (% Sky Obscured)

55
60
65
80
85
85
87
91
91
92
90
88
82
66
55
35
30
30
21
28
29

Low Clouds (% Sky Obscured)

55
60
65
65
59
58
60
63
65
61
56
51
53
52
52
35
30
30
21
28
29

Medium Clouds (% Sky Obscured)

30
40
25
20
19
19
22
25
23
25
18
15
0
0
0
0
0
0
10
20
25

High Clouds (% Sky Obscured)

41
22
3
17
21
35
37
26
9
13
16
30
35
40
45
35
30
30
21
28
29

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

Precipitation Probability (%)

28
35
40
40
44
50
39
28
13
16
15
10
20
20
13
22
24
25
24
19
8

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
4
3
2
1
1
2
4
6
6
6
6
6
7
8
8
8
8
8
8

Relative Humidity (%)

64
56
49
45
43
41
39
44
52
60
63
65
68
72
77
81
83
83
84
85
87

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

301
301
301
301
300
299
299
299
299
299
298
298
298
298
298
298
297
297
296
295
294

Forecast for Allhallows, Medway, United Kingdom (51.47,0.64)

Generated: 18/09/25 10:25:05. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00