Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

03:40

18:16

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:45, Set: 19:10, Transit: 12:57. Moon - Rise: 03:40, Set: 18:16. Civil Dark: 19:43 - 06:11. Nautical Dark: 20:24 - 05:31. Astro Dark: 21:06 - 04:49

Total Clouds (% Sky Obscured)

100
100
93
97
98
100
100
100
96
100
75
76
94
100
99
99
100
100
100
100
71
72
76
91

Low Clouds (% Sky Obscured)

92
97
71
96
80
92
61
54
58
52
65
54
61
44
41
52
55
70
74
80
63
65
68
64

Medium Clouds (% Sky Obscured)

29
14
16
3
5
3
0
9
4
0
0
25
30
41
42
18
10
13
29
3
5
2
3
2

High Clouds (% Sky Obscured)

64
34
32
25
75
72
59
56
55
47
60
61
87
100
98
98
100
100
100
100
70
64
75
91

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
2
1
3
14
0
17
4
13
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
17
16
17
16
16
16
16
16
15
16
15
15
15
16
15
16
15
15
15
15
15
15
15

Relative Humidity (%)

95
93
90
89
80
75
76
69
66
65
69
70
76
82
89
90
93
93
93
95
95
95
95
95

Pressure (mb)

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

Ozone (du)

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

Friday 19

Waning Crescent 6%

04:59

18:30

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

Sun - Rise: 06:47, Set: 19:07, Transit: 12:56. Moon - Rise: 04:59, Set: 18:30. Civil Dark: 19:41 - 06:13. Nautical Dark: 20:21 - 05:33. Astro Dark: 21:03 - 04:51

Total Clouds (% Sky Obscured)

81
89
81
45
44
46
49
38
41
39
31
24
76
68
73
96
93
95
82
100
100
84
44
50

Low Clouds (% Sky Obscured)

78
87
80
42
44
43
41
35
41
38
31
24
49
51
39
23
42
23
0
0
9
23
30
48

Medium Clouds (% Sky Obscured)

50
55
43
13
22
3
37
33
4
2
3
2
2
6
0
2
23
21
2
0
0
0
1
45

High Clouds (% Sky Obscured)

72
56
60
45
44
46
34
19
11
22
4
6
36
20
60
81
70
62
54
100
100
80
44
40

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
84
100
100
95

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
2
15
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)

8
8
10
11
11
11
12
12
12
12
11
9
7
7
7
6
5
5
5
4
4
4
4
3

Chance of Frost

Temperature (°C)

15
16
17
19
20
21
22
23
24
24
23
22
21
19
18
17
16
15
15
14
14
14
14
14

Feels Like (°C)

13
14
15
17
18
19
20
20
21
22
22
22
21
19
18
16
16
16
16
15
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

95
89
81
73
66
60
55
50
46
43
46
53
63
67
71
77
79
83
83
83
82
83
82
79

Pressure (mb)

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

Ozone (du)

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

Saturday 20

Waning Crescent 2%

06:15

18:40

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:48, Set: 19:05, Transit: 12:56. Moon - Rise: 06:15, Set: 18:40. Civil Dark: 19:39 - 06:15. Nautical Dark: 20:19 - 05:35. Astro Dark: 21:01 - 04:53

Total Clouds (% Sky Obscured)

89
100
100
95
100
100
95
100
56
64
77
52
39
29
51
70
64
63
58
62
61
61
58
48

Low Clouds (% Sky Obscured)

66
57
59
52
51
60
81
82
48
53
61
43
30
20
48
69
62
58
58
54
55
47
32
31

Medium Clouds (% Sky Obscured)

68
81
84
81
84
90
93
90
34
8
68
5
2
6
4
3
3
50
50
45
45
45
45
31

High Clouds (% Sky Obscured)

49
100
100
78
100
100
59
100
24
27
34
32
39
29
7
0
0
0
21
25
11
9
20
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
3
9
9
9
9

Fog (%)

78
86
31
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
None
None
None
None

Precipitation Probability (%)

0
0
1
19
22
12
2
2
2
1
1
1
0
6
15
31
47
51
74
66
24
5
2
0

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
0
0
0

Wind Speed/Direction (mph)

2
3
4
5
8
8
8
8
9
10
10
9
12
14
13
13
13
11
10
11
10
10
9
7

Chance of Frost

Temperature (°C)

14
15
16
17
18
19
19
20
19
20
20
18
16
14
13
13
13
13
14
14
14
13
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
74
68
63
59
55
55
62
56
50
49
59
75
90
93
92
93
93
92
93
92
84
87
92

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1009
1008
1008
1008
1008
1009
1010
1010
1010
1010
1010
1010
1009
1009
1009
1010
1010

Ozone (du)

262
261
261
260
261
261
262
263
262
263
264
264
264
265
266
268
271
271
270
271
272
274
276
277

Sunday 21

New Moon 0%

No Rise

18:50

07 Bad
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
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

Sun - Rise: 06:50, Set: 19:03, Transit: 12:56. Moon - Rise: No Rise, Set: 18:50. Civil Dark: 19:36 - 06:16. Nautical Dark: 20:16 - 05:37. Astro Dark: 20:58 - 04:55

Total Clouds (% Sky Obscured)

50
41
42
49
54
60
75
88
92
56
33
47
53
59
46
54
62
75
73
71
70
71
70
64

Low Clouds (% Sky Obscured)

33
36
42
49
54
60
69
67
64
56
33
47
48
38
27
27
26
26
30
58
58
60
62
62

Medium Clouds (% Sky Obscured)

31
4
0
0
0
0
9
19
23
27
33
43
40
48
29
38
48
64
73
71
70
56
36
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
5
8
8
4
3
7
8
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
Very Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
4
14
6
7
2
3
7
9
13
31
45
45
44
48
54
47
40
34
13
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
13
14
15
15
16
15
14
13
14
15
14
13
13
12
10
10
8
8
7
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

95
92
81
74
67
58
51
46
50
52
51
55
64
69
76
87
93
93
96
96
95
91
91
87

Pressure (mb)

1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1017

Ozone (du)

277
279
280
280
281
280
281
283
284
285
287
291
294
296
295
295
295
293
293
294
299
303
304
304

Monday 22

Waxing Crescent 1%

07:28

18:59

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

Sun - Rise: 06:52, Set: 19:00, Transit: 12:55. Moon - Rise: 07:28, Set: 18:59. Civil Dark: 19:34 - 06:18. Nautical Dark: 20:14 - 05:38. Astro Dark: 20:55 - 04:57

Total Clouds (% Sky Obscured)

72
78
81
75
79
77
78
81
85
81
74
71
64
61
51
33
22
15
24
33
41
61
80
100

Low Clouds (% Sky Obscured)

65
74
80
69
61
51
52
51
55
49
40
34
15
19
24
20
15
11
10
9
11
23
35
44

Medium Clouds (% Sky Obscured)

44
38
16
15
44
63
67
69
69
64
46
31
7
4
2
2
2
2
6
14
22
39
51
50

High Clouds (% Sky Obscured)

1
0
0
0
0
1
9
20
17
11
21
22
37
43
30
18
12
6
4
2
0
23
44
66

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
1
0
0
3
12
10
8
0
0
0
0
1
2
1
4
4
0
1
1
1
7
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
79
71
65
62
66
62
68
64
64
65
67
70
72
74
73
72
69
75
82
88
84
79

Pressure (mb)

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

Ozone (du)

305
305
306
304
302
302
303
304
304
306
307
307
307
307
308
309
310
311
313
313
313
313
312
310

Tuesday 23

Waxing Crescent 3%

08:41

19:09

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:53, Set: 18:58, Transit: 12:55. Moon - Rise: 08:41, Set: 19:09. Civil Dark: 19:32 - 06:20. Nautical Dark: 20:11 - 05:40. Astro Dark: 20:53 - 04:59

Total Clouds (% Sky Obscured)

100
99
99
97
95
92
87
83
87
93
97
100
100
100
99
97
94
92
89
85
86
90
85
84

Low Clouds (% Sky Obscured)

43
41
40
45
49
54
49
37
35
37
38
40
52
65
78
72
69
64
71
71
70
75
84
84

Medium Clouds (% Sky Obscured)

40
25
20
27
35
45
47
48
59
67
67
65
60
45
45
34
28
28
28
34
30
18
17
11

High Clouds (% Sky Obscured)

80
91
99
97
95
92
87
83
87
60
32
9
26
46
65
43
22
0
1
2
3
7
12
18

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

Precipitation Probability (%)

14
17
16
19
19
14
17
15
9
23
26
25
44
58
71
71
79
80
64
53
46
42
34
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
5
6
6
6
6
11
11
11
12
12
13
9
9
9
8
8
8
7
7
7
7
8

Dew Point (°C)

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

Relative Humidity (%)

74
69
66
61
55
50
46
46
45
45
50
57
64
67
72
77
78
80
79
82
87
91
90
91

Pressure (mb)

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

Ozone (du)

309
309
309
309
310
310
311
312
312
313
313
313
313
313
312
312
311
311
310
310
309
309
307
306

Wednesday 24

Waxing Crescent 7%

09:55

19:21

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:55, Set: 18:56, Transit: 12:55. Moon - Rise: 09:55, Set: 19:21. Civil Dark: 19:29 - 06:21. Nautical Dark: 20:09 - 05:42. Astro Dark: 20:50 - 05:01

Total Clouds (% Sky Obscured)

87
87
87
92
87
83
65
39
17
16
15
14
18
37
48
53
62
58

Low Clouds (% Sky Obscured)

82
79
76
69
71
72
65
39
17
16
15
14
10
7
4
7
15
24

Medium Clouds (% Sky Obscured)

12
12
17
17
17
22
27
28
17
16
15
14
18
32
35
39
39
42

High Clouds (% Sky Obscured)

12
6
3
2
2
1
1
0
0
0
0
0
18
37
48
53
62
37

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

26
24
15
16
17
13
21
21
17
15
13
9
6
4
3
14
20
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
81
71
64
58
51
46
44
42
40
45
50
56
57
60
61
63
65

Pressure (mb)

1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1021
1021

Ozone (du)

304
303
301
299
299
298
298
297
297
297
297
298
298
298
297
297
296
295

Forecast for Crownhill, Milton Keynes, United Kingdom (52.03,-0.81)

Generated: 18/09/25 07:05:50. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00