Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 30%

No Rise

17:20

00 Bad
01 Good
02 Good
03 Good
04 Good
05 OK
06 OK
07 OK
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

Sun - Rise: 06:33, Set: 19:06, Transit: 12:50. Moon - Rise: No Rise, Set: 17:20. Civil Dark: 19:40 - 06:00. Nautical Dark: 20:20 - 05:20. Astro Dark: 21:01 - 04:38

Total Clouds (% Sky Obscured)

47
0
0
0
11
20
25
25
43
43
74
57
80
90
88
97
100
89
86
100
71
77
90
100

Low Clouds (% Sky Obscured)

49
51
60
63
11
20
25
25
43
43
42
49
65
44
38
3
10
5
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
7
2
9
11
8
11
16
39
60
32
57

High Clouds (% Sky Obscured)

0
0
0
0
1
0
1
0
0
0
36
7
46
75
72
92
100
70
68
100
44
58
72
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
None
None
None
None

Precipitation Probability (%)

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

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)

27
19
18
18
19
18
17
16
17
18
19
19
18
18
17
17
16
14
13
11
10
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
75
76
77
76
76
77
79
71
67
58
50
48
46
43
41
42
44
50
56
68
78
78
79

Pressure (mb)

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

Ozone (du)

312
312
312
306
305
305
304
303
305
306
305
302
298
294
288
283
280
279
277
275
272
269
264
261

Wednesday 17

Waning Crescent 20%

00:50

17:47

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:35, Set: 19:04, Transit: 12:49. Moon - Rise: 00:50, Set: 17:47. Civil Dark: 19:37 - 06:01. Nautical Dark: 20:17 - 05:22. Astro Dark: 20:59 - 04:40

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
98
100
100
100
100
100
100
100
100
91
100
95
95
96
94
89
93
87

Low Clouds (% Sky Obscured)

13
24
73
69
57
87
94
82
78
83
100
100
100
100
100
83
99
92
86
91
86
82
88
85

Medium Clouds (% Sky Obscured)

58
78
81
96
99
100
98
100
100
99
92
92
92
51
95
90
93
46
30
33
88
23
15
20

High Clouds (% Sky Obscured)

100
100
100
98
25
34
9
2
2
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
9
3
5
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
47
52
65
75
94
95
95
95
95
43
26
25
24
7
16
17
2
3
5
3
1
0
0

Precipitation Amount (mm)

0
0
0
0.3
0.4
0.7
0.6
0.5
0.6
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
7
7
7
6
7
10
13
16
17
19
19
19
19
18
18
18
17
17
16
15
14
14

Chance of Frost

Temperature (°C)

13
13
13
13
13
14
14
15
16
16
16
16
17
17
18
18
18
18
18
18
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
81
80
84
87
90
90
92
92
90
85
83
85
86
88
89
90
90
90
90
92
92
93

Pressure (mb)

1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1016
1016
1016
1017
1017
1017

Ozone (du)

258
254
254
253
252
251
251
252
251
251
250
251
253
255
258
260
259
258
259
258
257
259
258
259

Thursday 18

Waning Crescent 12%

02:13

18:06

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 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:36, Set: 19:02, Transit: 12:49. Moon - Rise: 02:13, Set: 18:06. Civil Dark: 19:35 - 06:03. Nautical Dark: 20:15 - 05:24. Astro Dark: 20:56 - 04:42

Total Clouds (% Sky Obscured)

91
89
77
72
82
82
76
69
53
57
67
77
54
62
57
50
67
39
39
23
71
65
60
67

Low Clouds (% Sky Obscured)

91
89
76
71
80
82
64
56
52
56
66
75
45
50
39
41
40
39
21
23
34
32
25
10

Medium Clouds (% Sky Obscured)

20
11
0
2
8
11
18
14
0
0
0
0
0
0
0
3
19
2
10
0
17
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
7
2
1
1
71
65
55
67

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
1
0
3
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
95
95
92
93
95
90
85
76
72
69
72
70
70
66
68
75
85
93
93
93
93

Pressure (mb)

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

Ozone (du)

260
261
263
263
262
261
260
261
260
259
259
258
258
257
255
253
253
254
254
254
254
255
254
253

Friday 19

Waning Crescent 6%

03:34

18:20

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

Sun - Rise: 06:38, Set: 19:00, Transit: 12:49. Moon - Rise: 03:34, Set: 18:20. Civil Dark: 19:33 - 06:05. Nautical Dark: 20:12 - 05:25. Astro Dark: 20:53 - 04:44

Total Clouds (% Sky Obscured)

69
100
99
84
71
64
47
42
37
31
19
9
5
24
38
55
45
33
25
34
7
5
3
15

Low Clouds (% Sky Obscured)

21
29
36
43
37
32
26
27
28
28
19
9
0
8
15
23
14
7
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
9
8
9
5
24
38
6
30
33
25
34
1
0
0
2

High Clouds (% Sky Obscured)

68
99
98
77
62
49
25
16
8
0
0
0
0
9
17
34
30
27
15
9
4
5
3
6

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
6
6
6
6
6
6
7
7
9
11
12
12
13
13
13
14
12
11
10
9
9
8
7

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
16
16
17
19
21
22
23
24
24
24
24
22
21
19
19
17
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
90
90
90
83
72
61
50
43
39
37
35
34
37
44
49
52
50
56
59
61

Pressure (mb)

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

Ozone (du)

252
251
252
252
252
252
253
255
256
257
256
256
256
256
257
257
258
258
258
259
259
259
257
256

Saturday 20

Waning Crescent 2%

04:52

18:32

00 OK
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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:39, Set: 18:57, Transit: 12:48. Moon - Rise: 04:52, Set: 18:32. Civil Dark: 19:30 - 06:06. Nautical Dark: 20:10 - 05:27. Astro Dark: 20:51 - 04:46

Total Clouds (% Sky Obscured)

36
45
55
98
100
100
100
100
100
100
100
100
100
100
100
100
93
86
79
86
75
53
52
59

Low Clouds (% Sky Obscured)

0
4
8
12
15
19
22
45
72
99
74
60
44
44
44
44
36
28
15
38
43
49
52
59

Medium Clouds (% Sky Obscured)

0
11
19
25
29
29
33
34
83
60
84
80
100
78
53
35
40
40
40
70
61
52
50
38

High Clouds (% Sky Obscured)

9
37
55
98
100
100
100
100
100
100
100
100
100
100
100
100
89
80
71
86
72
47
40
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
9
9
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
Very Light Rain
None
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
1
0
1
16
17
11
12
8
5
24
35
38
54
51
55
27
43
50
39
26
5
7
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
7
8
8
9
10
10
12
13
14
13
14
11
12
12
12
12
10
9
9
9
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
63
68
73
79
82
87
90
90
89
78
72
72
73
86
81
88
83
83
84
86
89
90
90

Pressure (mb)

1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1014
1013
1014
1013
1013
1013
1014
1014
1013
1013
1014
1014

Ozone (du)

258
259
258
259
260
260
261
262
263
262
263
264
264
265
266
267
268
268
268
270
273
275
278
280

Sunday 21

New Moon 0%

06:07

18:42

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:41, Set: 18:55, Transit: 12:48. Moon - Rise: 06:07, Set: 18:42. Civil Dark: 19:28 - 06:08. Nautical Dark: 20:07 - 05:29. Astro Dark: 20:48 - 04:48

Total Clouds (% Sky Obscured)

65
91
89
91
93
91
85
77
70
64
81
92
99
97
94
92
72
52
34
39
46
57
45
34

Low Clouds (% Sky Obscured)

60
52
41
30
26
23
18
20
16
15
34
54
75
74
72
66
52
33
16
34
45
56
44
32

Medium Clouds (% Sky Obscured)

32
33
34
35
35
40
40
39
39
28
43
60
81
54
29
14
10
8
1
1
1
1
4
6

High Clouds (% Sky Obscured)

36
49
60
75
74
70
61
60
55
55
60
60
75
91
87
83
55
28
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

2
17
26
24
57
71
79
81
83
90
85
76
66
47
29
5
12
17
22
24
27
29
42
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
92
93
92
92
92
92
84
79
73
67
62
57
55
54
53
60
69
79
80
81
84
85

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015

Ozone (du)

281
283
286
289
292
295
298
301
304
307
309
311
312
314
314
315
316
318
320
321
324
326
329
329

Monday 22

Waxing Crescent 1%

07:20

18:52

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:43, Set: 18:53, Transit: 12:48. Moon - Rise: 07:20, Set: 18:52. Civil Dark: 19:26 - 06:10. Nautical Dark: 20:05 - 05:30. Astro Dark: 20:46 - 04:50

Total Clouds (% Sky Obscured)

23
27
30
32
34
38
50
65
80
92
85
79
80
77
75
73
76
77
77
71
65
62
54
45

Low Clouds (% Sky Obscured)

23
27
30
32
34
38
50
60
60
60
63
63
68
70
73
73
74
73
72
66
60
52
48
41

Medium Clouds (% Sky Obscured)

9
13
15
17
10
5
1
8
15
20
19
13
6
3
2
2
5
9
18
23
32
38
40
45

High Clouds (% Sky Obscured)

0
0
0
0
1
3
5
23
38
60
58
46
32
30
26
24
42
60
77
71
65
62
54
45

ISS Passover

Visibility (miles)

5
4
6
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

48
48
47
44
40
35
30
31
30
25
29
43
58
48
44
42
32
26
24
22
19
12
16
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
3
3
4
6
7
8
10
11
11
11
11
12
13
13
13
14
14
13
13
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
90
88
88
87
87
88
81
77
73
67
60
56
56
55
55
56
58
60
64
70
77
77

Pressure (mb)

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

Ozone (du)

329
329
329
329
329
329
329
330
329
329
328
328
328
328
331
334
337
334
332
329
328
327
326
326

Forecast for Canterbury, Kent, United Kingdom (51.28,1.08)

Generated: 16/09/25 04:57:55. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+1.00