Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 6%

03:36

18:08

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

Sun - Rise: 06:40, Set: 19:04, Transit: 12:51. Moon - Rise: 03:36, Set: 18:08. Civil Dark: 19:37 - 06:07. Nautical Dark: 20:17 - 05:27. Astro Dark: 20:58 - 04:46

Total Clouds (% Sky Obscured)

55
56
53
82
69
71
78
75
60
76
96
96
68
59
53
52
48
39
79
85
39
84
64
16

Low Clouds (% Sky Obscured)

55
56
45
70
60
60
70
53
51
47
57
59
67
54
51
50
48
26
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
4
0
0
11
52
53
75
57
4
0
0
0
0
0
0
19
7
33
27
7

High Clouds (% Sky Obscured)

0
2
53
82
54
60
53
57
36
43
70
80
21
12
16
7
4
16
72
63
18
22
3
16

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
5
82
91
2
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)

16
15
15
11
11
10
10
9
8
7
5
5
5
5
4
5
9
10
11
12
12
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
15
15
15
15
15
15
15
14
14
14
14
15
14
14
12
10
7
6
6
5

Relative Humidity (%)

69
73
78
85
92
93
95
95
96
96
96
96
95
95
95
90
79
68
56
46
37
34
33
32

Pressure (mb)

1020
1020
1020
1021
1022
1022
1021
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1016

Ozone (du)

257
256
257
257
256
255
256
256
256
256
257
257
258
259
260
261
261
260
262
262
261
260
259
260

Friday 19

Waning Crescent 2%

04:54

18:22

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

Sun - Rise: 06:41, Set: 19:02, Transit: 12:50. Moon - Rise: 04:54, Set: 18:22. Civil Dark: 19:35 - 06:08. Nautical Dark: 20:14 - 05:29. Astro Dark: 20:56 - 04:48

Total Clouds (% Sky Obscured)

0
9
18
8
55
24
13
45
86
16
10
14
64
100
100
91
100
100
100
89
100
99
90
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
0
12
22
15
15
32
49
46
50
52
58
45

Medium Clouds (% Sky Obscured)

0
2
0
3
26
24
13
45
85
16
10
14
50
59
90
89
88
66
73
65
62
47
43
51

High Clouds (% Sky Obscured)

0
9
18
8
2
9
1
7
75
16
10
14
64
100
100
19
99
100
100
64
100
97
12
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 (%)

0
0
0
0
0
0
2
0
4
0
0
0
0
0
2
18
16
13
24
31
8
2
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)

10
8
6
5
5
4
3
3
2
2
2
2
2
4
3
5
7
10
12
16
14
17
19
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
20
18
16
16
17
15
14
14
14
13
12
13
12
13
13
15
17
18
18
19
18
17
16

Dew Point (°C)

5
8
8
7
6
6
5
5
5
4
4
4
4
3
3
5
11
12
13
14
18
16
13
12

Relative Humidity (%)

35
45
52
52
51
51
50
51
51
49
48
49
50
47
49
52
67
61
61
64
80
67
57
59

Pressure (mb)

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

Ozone (du)

260
260
260
260
260
261
261
261
261
261
260
260
260
261
263
261
259
258
258
259
260
263
264
266

Saturday 20

Waning Crescent 0%

06:09

18:34

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Good
23 Bad
00 OK
01 OK
02 OK
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

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 - 05:31. Astro Dark: 20:53 - 04:50

Total Clouds (% Sky Obscured)

100
65
81
53
57
10
34
19
16
41
38
37
48
43
41
47
42
45
97
96
85
72
57
65

Low Clouds (% Sky Obscured)

61
64
70
53
42
7
34
19
16
41
38
37
48
43
41
47
42
45
68
57
49
40
35
40

Medium Clouds (% Sky Obscured)

79
2
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
13
15
57
65

High Clouds (% Sky Obscured)

83
14
41
10
18
2
0
0
2
0
0
0
0
0
0
0
0
0
70
63
42
21
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

13
0
0
0
0
0
0
0
0
1
2
3
1
1
2
6
29
40
46
43
32
17
12
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
18
19
18
16
12
10
11
11
10
9
8
8
7
6
5
8
8
8
9
10
10
11
11

Chance of Frost

Temperature (°C)

20
19
17
15
14
13
12
12
12
11
11
11
11
11
11
12
13
14
15
15
14
14
14
14

Feels Like (°C)

16
15
13
13
12
12
11
11
10
11
10
11
11
11
12
13
14
14
14
12
11
11
11
11

Dew Point (°C)

14
14
12
12
12
11
10
9
9
9
9
10
10
10
10
10
9
9
9
8
8
6
6
5

Relative Humidity (%)

69
73
70
79
87
87
89
83
84
86
88
90
93
93
93
87
75
70
66
62
63
58
55
55

Pressure (mb)

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

Ozone (du)

267
268
270
274
275
276
276
276
276
277
280
282
285
287
286
286
287
289
292
293
292
294
294
296

Sunday 21

New Moon 1%

07:22

18:44

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:45, Set: 18:57, Transit: 12:50. Moon - Rise: 07:22, Set: 18:44. Civil Dark: 19:30 - 06:12. Nautical Dark: 20:09 - 05:32. Astro Dark: 20:50 - 04:52

Total Clouds (% Sky Obscured)

71
78
74
70
66
69
75
82
86
88
92
92
91
89
90
91
94
93
90
77
83
81
66
58

Low Clouds (% Sky Obscured)

49
57
54
50
47
47
47
48
53
60
66
70
75
79
81
85
87
86
82
63
71
67
44
39

Medium Clouds (% Sky Obscured)

71
78
60
35
66
43
62
67
69
65
66
26
17
76
61
22
24
23
17
15
18
19
20
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
5
5
1
0
1
1
0
0
1
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 (%)

8
7
6
4
2
7
7
4
10
11
15
14
14
10
22
21
11
29
31
23
28
25
16
33

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
54
54
57
57
58
71
76
78
74
67
62
64
62
60
61
58
51
48
48
45
44
42
40

Pressure (mb)

1015
1015
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022
1023
1023

Ozone (du)

297
298
300
304
306
308
308
309
311
311
310
309
310
311
311
312
312
311
311
311
310
309
308
307

Monday 22

Waxing Crescent 3%

08:34

18:54

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

Sun - Rise: 06:46, Set: 18:55, 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)

61
64
69
68
67
60
52
45
48
48
49
43
36
31
61
74
81
79
75
87
88
87
89
95

Low Clouds (% Sky Obscured)

48
63
64
59
54
48
43
34
35
36
35
32
29
29
52
65
78
74
70
63
55
48
44
57

Medium Clouds (% Sky Obscured)

16
18
27
33
36
31
21
16
22
24
24
14
8
3
61
63
69
57
48
36
29
22
20
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
0
1
1
61
63
52
47
47
47
35
19
1
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
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

27
6
18
13
4
16
10
3
8
6
3
5
5
2
27
28
22
42
56
63
58
57
60
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
47
49
44
50
59
67
70
72
74
77
78
78
78
77
67
59
51
50
47
47
51
56
61

Pressure (mb)

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

Ozone (du)

307
307
307
306
306
304
302
302
302
301
301
300
301
301
301
301
302
303
304
304
305
307
308
309

Tuesday 23

Waxing Crescent 7%

09:47

19:05

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:48, Set: 18:52, Transit: 12:49. Moon - Rise: 09:47, Set: 19:05. Civil Dark: 19:25 - 06:15. Nautical Dark: 20:05 - 05:36. Astro Dark: 20:45 - 04:55

Total Clouds (% Sky Obscured)

96
96
94
95
95
94
94
93
95
95
95
96
96
96
97
99
100
100
100
100
99
96
91
93

Low Clouds (% Sky Obscured)

70
80
81
79
80
77
73
71
79
86
92
90
89
88
78
67
57
60
63
66
65
65
64
62

Medium Clouds (% Sky Obscured)

35
30
18
10
5
0
0
0
0
5
9
13
17
31
37
34
20
15
15
15
10
10
15
24

High Clouds (% Sky Obscured)

37
50
55
61
63
72
83
92
68
38
5
7
10
18
43
68
88
62
40
14
32
51
74
81

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

Precipitation Probability (%)

56
56
64
72
80
76
74
73
70
63
53
50
43
30
30
29
27
34
38
43
52
59
65
51

Precipitation Amount (mm)

0.2
0.2
0.3
0.5
0.6
0.5
0.4
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
64
65
63
62
59
60
62
62
62
61
59
58
58
57
63
69
75
66
60
53
54
53
54

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1022
1022
1022
1022
1022
1022

Ozone (du)

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

Wednesday 24

Waxing Crescent 13%

11:00

19:18

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

Sun - Rise: 06:49, Set: 18:50, Transit: 12:49. Moon - Rise: 11:00, Set: 19:18. Civil Dark: 19:23 - 06:16. Nautical Dark: 20:02 - 05:37. Astro Dark: 20:43 - 04:57

Total Clouds (% Sky Obscured)

94
96
97
99
100
100
100
100
100
100
100
100
100
100
98
96
93
96
98
100

Low Clouds (% Sky Obscured)

60
58
54
51
49
57
65
73
79
83
87
85
85
84
75
65
53
48
43
39

Medium Clouds (% Sky Obscured)

28
26
32
34
35
35
25
5
5
5
5
10
15
20
25
34
38
48
54
60

High Clouds (% Sky Obscured)

89
94
91
91
92
96
98
100
100
100
100
99
99
99
98
96
93
96
98
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

Fog (%)

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

Precipitation Probability (%)

40
32
35
26
13
20
22
18
24
27
29
31
32
28
23
21
18
16
14
13

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

14
13
13
12
12
12
12
12
12
12
12
12
12
12
12
13
14
15
15
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
59
60
62
64
65
67
71
75
77
79
83
84
86
87
80
74
67
62
58

Pressure (mb)

1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

310
310
310
310
310
310
309
309
309
309
308
308
308
307
307
306
306
306
305
305

Forecast for Bredhurst, Kent, United Kingdom (51.33,0.58)

Generated: 18/09/25 17:33:50. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00