Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 28

Waning Gibbous 93%

19:17

10:50

20 OK
21 Bad
22 Bad
23 OK
00 Good
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

Sun - Rise: 07:02, Set: 18:45, Transit: 12:54. Moon - Rise: 19:17, Set: 10:50. Civil Dark: 19:19 - 06:29. Nautical Dark: 19:59 - 05:49. Astro Dark: 20:42 - 05:08

Total Clouds (% Sky Obscured)

39
53
63
22
18
40
57
91
100
93
97
96
100
92
94
67
79
98
100
100
87
79
78
47

Low Clouds (% Sky Obscured)

8
24
19
21
18
40
57
91
100
86
92
91
88
85
93
56
39
38
36
57
27
1
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
18
24
29
14
52
24
41
12
8
20
7
2
8
4
18
11

High Clouds (% Sky Obscured)

39
50
33
1
0
0
0
1
2
8
18
22
2
3
16
9
62
97
100
100
73
79
77
28

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
1
5
5
12
24
34
16
1
0
0
0
0
0
0
1
1

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)

4
4
4
8
8
8
9
9
10
10
9
10
10
11
14
14
14
16
16
16
15
14
14
12

Chance of Frost

Temperature (°C)

12
12
12
11
11
11
11
12
12
13
13
13
14
15
16
19
21
23
24
24
24
24
23
21

Feels Like (°C)

10
9
8
9
11
10
10
10
10
11
11
11
12
13
13
16
18
20
20
21
22
22
21
20

Dew Point (°C)

5
6
7
7
9
9
10
10
11
12
13
13
13
14
14
16
16
15
15
15
15
15
16
16

Relative Humidity (%)

60
65
71
77
86
90
91
92
92
93
95
95
95
93
87
82
73
62
57
57
58
58
62
70

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1019
1018
1018
1017
1017
1017
1016
1016
1015
1014
1013
1012
1011
1011
1011
1011
1010

Ozone (du)

310
310
313
313
310
308
306
305
301
299
300
300
300
298
297
295
295
295
292
289
287
284
283
280

Tuesday 29

Waning Gibbous 86%

19:46

12:19

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 OK
14 OK
15 OK
16 OK
17 Good
18 OK
19 Bad

Sun - Rise: 07:04, Set: 18:43, Transit: 12:53. Moon - Rise: 19:46, Set: 12:19. Civil Dark: 19:17 - 06:30. Nautical Dark: 19:56 - 05:51. Astro Dark: 20:39 - 05:10

Total Clouds (% Sky Obscured)

81
98
83
77
97
100
100
100
100
100
100
100
62
61
63
51
65
39
27
22
18
10
21
35

Low Clouds (% Sky Obscured)

6
50
26
9
9
12
65
70
92
92
75
75
62
61
63
45
59
18
22
21
18
9
10
22

Medium Clouds (% Sky Obscured)

47
76
53
23
85
100
93
100
100
100
86
60
36
3
31
10
37
29
2
2
7
6
14
22

High Clouds (% Sky Obscured)

64
94
68
69
77
100
99
100
100
100
100
100
50
37
0
0
0
2
2
3
0
0
0
0

ISS Passover

Visibility (miles)

9
9
4
9
9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
Light Rain
Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
50
35
1
1
0
16
37
95
95
52
32
34
48
48
7
1
0
0
0
0
0
1
15

Precipitation Amount (mm)

0
0.3
0
0
0
0
0
0
0.6
1.5
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
19
19
19
19
19
20
19
19
18
18
18
18
18
19
20
21
21
21
21
20
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
75
80
85
88
88
89
91
89
86
86
83
89
88
89
86
64
64
54
47
46
49
54
59

Pressure (mb)

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

Ozone (du)

279
277
277
275
275
276
275
275
275
276
276
276
278
279
281
283
284
285
285
286
287
288
289
290

Wednesday 30

Waning Gibbous 76%

No Rise

13:44

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

Sun - Rise: 07:06, Set: 18:41, Transit: 12:53. Moon - Rise: No Rise, Set: 13:44. Civil Dark: 19:14 - 06:32. Nautical Dark: 19:54 - 05:53. Astro Dark: 20:37 - 05:12

Total Clouds (% Sky Obscured)

27
36
41
43
60
81
89
87
91
99
96
50
38
26
24
19
16
35
32
42
17
27
40
34

Low Clouds (% Sky Obscured)

13
25
26
31
27
24
38
40
58
48
51
50
38
26
24
19
16
33
29
33
8
6
2
0

Medium Clouds (% Sky Obscured)

15
12
6
5
44
64
75
70
70
96
66
23
11
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
2
3
2
55
2
32
2
1
65
0
0
0
0
0
0
0
0
0
11
21
37
34

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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 (%)

22
1
0
0
0
0
1
2
0
0
0
0
0
0
0
3
22
23
12
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
9
8
8
8
7
7
7
7
7
7
6
6
9
11
11
11
12
12
12
12
10
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
70
75
79
84
89
92
93
92
92
93
95
93
83
73
61
56
54
53
47
42
44
51
56

Pressure (mb)

1015
1015
1016
1016
1016
1017
1017
1017
1017
1018
1018
1019
1019
1020
1021
1022
1022
1023
1023
1023
1024
1024
1025
1026

Ozone (du)

291
292
293
294
296
297
299
300
304
307
307
306
307
309
311
312
314
314
315
316
312
310
310
308

Thursday 1

Waning Gibbous 66%

20:28

14:54

20 Bad
21 OK
22 Bad
23 OK
00 OK
01 OK
02 Bad
03 OK
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 OK
19 Bad

Sun - Rise: 07:07, Set: 18:38, Transit: 12:53. Moon - Rise: 20:28, Set: 14:54. Civil Dark: 19:12 - 06:34. Nautical Dark: 19:51 - 05:54. Astro Dark: 20:34 - 05:14

Total Clouds (% Sky Obscured)

57
47
65
42
35
40
77
48
73
81
60
74
98
99
92
86
78
81
87
93
78
48
40
52

Low Clouds (% Sky Obscured)

0
0
5
9
12
13
13
17
18
22
23
28
34
34
36
35
31
34
37
37
22
11
19
24

Medium Clouds (% Sky Obscured)

0
2
64
32
17
16
11
10
8
5
0
0
22
65
60
65
50
30
58
80
76
44
38
47

High Clouds (% Sky Obscured)

52
41
41
15
9
24
70
41
65
74
51
67
97
99
82
66
55
56
64
61
55
7
4
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
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
1
2
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
65
71
75
79
80
81
84
84
84
87
90
87
79
71
65
55
47
45
48
49
51
57
64

Pressure (mb)

1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1028
1028
1028
1028
1027
1028
1028
1028

Ozone (du)

307
306
307
307
306
306
304
302
301
301
301
300
301
299
298
299
300
301
302
302
302
301
300
299

Friday 2

Waning Gibbous 54%

21:28

15:46

20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
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

Sun - Rise: 07:09, Set: 18:36, Transit: 12:53. Moon - Rise: 21:28, Set: 15:46. Civil Dark: 19:10 - 06:35. Nautical Dark: 19:49 - 05:56. Astro Dark: 20:32 - 05:16

Total Clouds (% Sky Obscured)

62
67
73
74
43
48
80
67
61
68
24
60
61
65
76
88
100
100
100
100
88
83
77
70

Low Clouds (% Sky Obscured)

62
65
65
50
22
18
10
6
5
9
11
30
29
23
20
16
12
16
23
26
26
16
6
10

Medium Clouds (% Sky Obscured)

53
41
3
2
0
0
0
0
0
0
1
3
4
6
20
36
52
64
75
87
69
48
24
18

High Clouds (% Sky Obscured)

10
67
10
23
15
30
63
40
32
30
4
39
55
65
76
88
100
100
100
100
88
83
77
62

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
11
11
11
11
11
10
10
9
10
11
11
11
11
12
13
13
17
17
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

65
63
64
65
71
79
86
90
95
96
96
96
90
83
79
73
67
62
61
61
60
64
69
75

Pressure (mb)

1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1028
1028

Ozone (du)

300
301
301
302
303
304
305
306
305
305
304
302
302
301
300
300
300
300
302
304
306
306
305
305

Saturday 3

Third Quarter 42%

22:46

16:21

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:11, Set: 18:34, Transit: 12:52. Moon - Rise: 22:46, Set: 16:21. Civil Dark: 19:07 - 06:37. Nautical Dark: 19:47 - 05:58. Astro Dark: 20:29 - 05:18

Total Clouds (% Sky Obscured)

65
57
65
72
77
81
88
94
96
98
100
100
100
100
95
91
85
87
92
97
95
93
91
82

Low Clouds (% Sky Obscured)

12
13
17
19
24
23
22
25
29
36
41
45
53
42
33
21
17
14
18
19
17
18
21
16

Medium Clouds (% Sky Obscured)

11
5
9
16
19
14
10
3
15
29
42
44
46
54
49
47
39
50
62
72
70
68
65
50

High Clouds (% Sky Obscured)

37
11
37
63
77
78
77
76
85
93
100
99
98
97
88
79
70
77
83
90
90
89
87
75

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 (%)

1
0
2
1
0
1
3
0
0
0
0
3
3
0
2
2
0
0
0
0
3
6
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
13
14
14
14
12
12
12
11
11
11
11
11
12
12
12
12
18
17
16
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

76
78
79
80
80
83
84
83
84
84
83
83
76
71
65
59
55
50
49
48
46
53
60
68

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028

Ozone (du)

305
305
306
305
303
302
301
300
299
299
299
299
298
297
297
296
295
293
293
292
291
291
290
290

Sunday 4

Waning Crescent 31%

00:12

16:44

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: 07:12, Set: 18:31, Transit: 12:52. Moon - Rise: 00:12, Set: 16:44. Civil Dark: 19:05 - 06:39. Nautical Dark: 19:44 - 05:59. Astro Dark: 20:27 - 05:19

Total Clouds (% Sky Obscured)

69
55
57
63
71
73
72
65
70
79
94
95
94
89
91
90
86

Low Clouds (% Sky Obscured)

9
3
3
3
3
4
6
9
19
31
41
35
30
28
26
26
26

Medium Clouds (% Sky Obscured)

34
19
15
11
6
6
5
5
5
4
4
3
3
3
3
3
3

High Clouds (% Sky Obscured)

57
39
35
45
63
67
63
59
61
71
80
72
58
50
58
65
72

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
13
13
12
13
11
11
11
11
11
11
11
12
12
12
13

Dew Point (°C)

9
9
9
9
10
11
11
11
11
11
11
10
11
11
11
11
11

Relative Humidity (%)

70
72
75
80
86
92
92
93
95
95
95
95
89
83
79
72
66

Pressure (mb)

1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027

Ozone (du)

289
289
289
288
288
287
286
284
282
282
281
281
279
278
276
275
274

Forecast for Nether Heyford, Northamptonshire, United Kingdom (52.22,-1.04)

Generated: 28/09/26 20:24:58. Forecast: 28/09/26 to 04/10/26. Timezone: UTC+1.00