Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 30%

23:34

17:39

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:44, Set: 19:18, Transit: 13:01. Moon - Rise: 23:34, Set: 17:39. Civil Dark: 19:52 - 06:10. Nautical Dark: 20:33 - 05:29. Astro Dark: 21:19 - 04:46

Total Clouds (% Sky Obscured)

93
82
83
76
64
52
51
59
60
56
47
72
95
90
97
100
100
100
100
100
95
91
100
100

Low Clouds (% Sky Obscured)

56
62
55
56
56
47
48
57
58
56
44
41
59
66
48
39
46
41
36
15
22
5
0
16

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
23
18
2
34
20
19
10
16
25
78
85

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
20
50
32
52
98
100
100
100
100
93
87
100
89

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
2
2
1
1
8
0
0
0
0
0
0
0
0
0
3
0
2
1
2
2
4

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
17
18
18
20
19
19
17
18
17
15
14
14
17
16
17
18
16
16
14
13
11
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
73
63
63
63
63
61
65
62
63
64
65
69
63
58
53
51
51
48
52
55
57
63
70

Pressure (mb)

1007
1008
1009
1010
1011
1011
1012
1012
1013
1013
1014
1015
1016
1017
1017
1017
1017
1017
1017
1018
1017
1017
1018
1018

Ozone (du)

310
310
308
308
307
302
302
303
304
304
302
299
297
293
290
285
281
278
275
273
272
270
269
267

Tuesday 16

Waning Crescent 20%

00:56

18:04

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:46, Set: 19:16, Transit: 13:01. Moon - Rise: 00:56, Set: 18:04. Civil Dark: 19:50 - 06:12. Nautical Dark: 20:31 - 05:31. Astro Dark: 21:16 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
86
58
65
62
50
100
85
100
100
69
47

Low Clouds (% Sky Obscured)

33
46
68
62
90
82
85
88
86
92
100
100
100
85
56
63
62
50
57
41
56
50
51
47

Medium Clouds (% Sky Obscured)

63
90
100
100
100
100
100
100
100
99
67
94
84
35
5
35
2
3
31
59
49
53
61
40

High Clouds (% Sky Obscured)

98
100
100
100
94
77
100
84
21
4
18
2
0
2
0
0
0
0
65
38
59
93
17
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
3
9
9
4
2
9
9
9
9
9
9
9
9
5
4

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

Precipitation Probability (%)

15
47
95
95
95
95
95
95
95
95
52
54
73
44
23
4
15
1
1
6
7
31
47
24

Precipitation Amount (mm)

0
0
0.8
1.6
1.7
1.6
2.9
2.8
2
1.8
0
0
0.5
0
0
0
0
0
0
0
0
0
0.3
0

Wind Speed/Direction (mph)

8
9
9
8
8
8
10
10
12
13
15
16
16
16
18
18
19
18
18
17
17
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
10
10
10
11
10
11
11
12
12
12
13
13
15
16
17
18
17
16
15
14
14
14

Dew Point (°C)

9
10
10
10
11
11
12
12
13
14
14
15
15
16
17
19
19
19
18
18
17
16
16
15

Relative Humidity (%)

77
81
84
86
90
93
93
90
95
93
90
92
93
95
95
95
95
95
92
95
95
93
95
96

Pressure (mb)

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

Ozone (du)

266
263
261
260
259
258
258
258
257
257
260
260
260
260
264
266
268
268
266
265
263
263
261
261

Wednesday 17

Waning Crescent 12%

02:21

18:21

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:47, Set: 19:14, Transit: 13:00. Moon - Rise: 02:21, Set: 18:21. Civil Dark: 19:48 - 06:13. Nautical Dark: 20:28 - 05:33. Astro Dark: 21:14 - 04:50

Total Clouds (% Sky Obscured)

59
59
53
60
73
62
50
96
94
85
78
92
64
90
84
85
96
61
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

51
39
48
55
49
58
50
50
51
56
64
80
46
66
72
79
80
47
45
40
41
54
53
49

Medium Clouds (% Sky Obscured)

38
25
6
4
21
0
3
35
29
24
13
8
10
7
0
20
27
15
10
17
26
37
35
29

High Clouds (% Sky Obscured)

10
14
12
33
17
42
12
2
1
10
15
4
10
40
40
10
55
22
100
100
100
100
99
99

ISS Passover

Visibility (miles)

9
9
7
5
5
6
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
12
6
17
11
1
20
4
1
0
0
0
0
3
5
1
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)

15
14
14
13
13
14
14
13
14
13
13
13
14
16
18
18
19
19
19
17
16
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
13
12
12
11
11
11
12
12
13
15
16
16
17
18
20
19
19
19
18
17

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
95
95
93
93
93
93
92
90
87
86
81
77
72
67
60
57
62
68
76
81
88

Pressure (mb)

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

Ozone (du)

261
261
261
262
261
260
260
260
260
259
259
259
259
259
259
259
259
259
258
258
258
259
260
263

Thursday 18

Waning Crescent 6%

03:43

18:34

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:49, Set: 19:11, Transit: 13:00. Moon - Rise: 03:43, Set: 18:34. Civil Dark: 19:45 - 06:15. Nautical Dark: 20:26 - 05:35. Astro Dark: 21:11 - 04:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
90
87
95
99
100
99
97
96
96
95
93
89
84
81
87
94
100
100
100

Low Clouds (% Sky Obscured)

45
40
38
31
28
25
23
31
41
50
60
75
86
81
76
68
57
49
35
22
12
0
0
0

Medium Clouds (% Sky Obscured)

26
62
53
72
84
73
68
73
36
5
4
4
5
33
41
35
30
25
18
18
24
3
15
12

High Clouds (% Sky Obscured)

97
98
99
100
100
90
87
95
99
100
91
81
74
77
76
79
77
75
61
71
85
100
100
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
0
0
0
0
0
0
0
0
0
0
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
86
88
90
92
90
95
95
95
95
95
92
79
67
57
53
52
53
54
54
58
64
71
76

Pressure (mb)

1017
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013

Ozone (du)

262
262
262
263
263
263
262
263
262
262
261
260
261
261
260
260
261
262
262
261
263
264
265
265

Friday 19

Waning Crescent 2%

05:02

18:45

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
17 Bad
18 Bad
19 Bad
20 OK

Sun - Rise: 06:51, Set: 19:09, Transit: 13:00. Moon - Rise: 05:02, Set: 18:45. Civil Dark: 19:43 - 06:17. Nautical Dark: 20:23 - 05:36. Astro Dark: 21:08 - 04:54

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
91
83
75
84
93
100
100
100
100
99
99
99
92
87
75
55
34

Low Clouds (% Sky Obscured)

8
10
10
9
24
24
34
43
53
67
62
57
49
57
68
75
72
69
65
56
46
35
24
14

Medium Clouds (% Sky Obscured)

39
7
36
27
4
3
5
6
33
30
42
57
61
51
84
93
94
94
93
62
31
1
1
0

High Clouds (% Sky Obscured)

100
100
96
63
100
100
99
79
40
35
60
83
100
100
100
100
96
92
89
74
61
41
30
21

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
10
18
10
0
2
0
1
1
0
1
1
1
4
18
21
36
37
30
25
22
22
20
11

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
74
78
85
89
86
82
84
89
89
87
83
77
68
65
60
55
53
51
48
56
63
73
76

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

264
265
266
267
268
270
270
271
271
272
273
275
277
280
282
283
285
292
299
306
309
311
314
315

Saturday 20

Waning Crescent 0%

06:18

18:54

21 Good
22 OK
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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:52, Set: 19:07, Transit: 12:59. Moon - Rise: 06:18, Set: 18:54. Civil Dark: 19:40 - 06:18. Nautical Dark: 20:21 - 05:38. Astro Dark: 21:05 - 04:56

Total Clouds (% Sky Obscured)

16
41
67
94
98
99
99
100
100
100
89
77
69
75
82
87
84
83
79
73
67
61
52
48

Low Clouds (% Sky Obscured)

4
5
6
11
25
40
55
57
57
59
62
62
67
63
61
62
59
55
52
51
43
36
35
32

Medium Clouds (% Sky Obscured)

0
0
1
1
1
2
2
1
1
0
21
40
39
52
63
75
73
70
71
67
61
55
44
31

High Clouds (% Sky Obscured)

9
26
50
75
80
85
80
85
90
95
63
32
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
2
3
1
2
3
3
20
33
46
51
53
53
60
63
61
56
44
24
26
27
24
27
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
87
84
80
77
77
76
76
78
82
87
88
88
88
86
84
83
71
60
51
52
54
57
59

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1012
1013
1013
1013
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

317
318
319
320
321
322
322
322
324
325
327
328
329
330
331
331
332
332
333
333
334
334
335
335

Sunday 21

New Moon 1%

07:32

19:03

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
17 Bad
18 Bad

Sun - Rise: 06:54, Set: 19:04, Transit: 12:59. Moon - Rise: 07:32, Set: 19:03. Civil Dark: 19:38 - 06:20. Nautical Dark: 20:18 - 05:40. Astro Dark: 21:03 - 04:58

Total Clouds (% Sky Obscured)

43
44
50
50
55
60
71
72
72
73
70
62
56
66
74
84
84
86
86
88
91
95

Low Clouds (% Sky Obscured)

29
32
38
47
54
60
71
68
64
56
57
57
56
65
70
75
71
68
64
67
68
69

Medium Clouds (% Sky Obscured)

19
13
6
1
1
1
1
2
3
4
3
2
1
5
11
17
22
27
33
43
55
63

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
6
11
20
15
14
10
8
4
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

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
None
None
None
None
None
None
None

Precipitation Probability (%)

21
34
33
20
21
17
0
4
7
8
12
13
13
19
23
23
26
27
27
30
24
14

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

Wind Speed/Direction (mph)

5
5
5
5
5
5
5
6
6
7
7
8
9
11
11
12
12
12
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
67
70
74
77
79
82
85
87
87
88
81
76
69
68
67
66
64
63
62
60
58

Pressure (mb)

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

Ozone (du)

335
335
335
335
335
334
334
334
333
333
332
332
331
330
328
327
326
325
325
325
324
323

Forecast for Henley in Arden, Warwickshire, United Kingdom (52.29,-1.78)

Generated: 15/09/25 21:32:49. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+1.00