Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 21

Waxing Gibbous 77%

17:41

01:23

18 Good
19 OK
20 OK
21 OK
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

Sun - Rise: 06:51, Set: 19:04, Transit: 12:56. Moon - Rise: 17:41, Set: 01:23. Civil Dark: 19:38 - 06:17. Nautical Dark: 20:18 - 05:37. Astro Dark: 21:00 - 04:55

Total Clouds (% Sky Obscured)

17
21
26
45
66
62
73
73
78
81
77
77
79
78
75
79
83
89
95
95
92
89
89
84

Low Clouds (% Sky Obscured)

17
21
26
45
66
62
70
73
68
58
59
60
62
62
58
69
79
82
82
89
91
85
81
71

Medium Clouds (% Sky Obscured)

11
5
4
11
12
9
14
21
20
30
26
22
24
26
29
32
28
31
32
35
31
29
24
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

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
2
1
1
1
7
3
2
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
69
73
75
75
78
78
79
82
83
85
85
84
86
83
75
71
67
63
65
68
70
71
74

Pressure (mb)

1030
1030
1031
1031
1031
1031
1031
1030
1030
1030
1029
1029
1029
1029
1029
1030
1030
1030
1029
1029
1029
1028
1028
1027

Ozone (du)

269
269
269
270
271
270
269
269
269
268
266
267
269
269
270
271
271
272
273
274
275
276
275
274

Tuesday 22

Waxing Gibbous 85%

17:56

02:40

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 OK
15 OK
16 OK
17 OK

Sun - Rise: 06:52, Set: 19:02, Transit: 12:56. Moon - Rise: 17:56, Set: 02:40. Civil Dark: 19:36 - 06:19. Nautical Dark: 20:16 - 05:39. Astro Dark: 20:57 - 04:57

Total Clouds (% Sky Obscured)

90
93
97
96
92
94
83
85
96
94
100
99
89
97
92
76
84
90
83
51
15
24
19
31

Low Clouds (% Sky Obscured)

64
63
53
54
69
79
79
79
85
62
47
76
85
88
74
58
73
69
64
27
12
23
19
24

Medium Clouds (% Sky Obscured)

14
9
10
11
15
16
21
24
30
38
32
19
14
67
25
15
12
23
22
12
0
0
0
0

High Clouds (% Sky Obscured)

27
53
70
71
20
22
9
9
64
65
100
95
28
47
30
16
0
0
0
0
0
2
1
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
9
9
9
9
8
7
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
1
12
5
9
5
19
42
44
43
24
19
31
27
24
17
23
29
18
1
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
3
3
3
3
3
3
4
4
4
5
5
4
4
6
8
9
11
13
14
15
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
18
18
17
17
17
16
16
16
16
16
15
15
15
15
16
17
15
15
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

76
77
77
76
77
77
76
75
75
79
89
90
87
86
86
83
76
77
72
63
52
54
55
58

Pressure (mb)

1027
1027
1027
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1025

Ozone (du)

274
274
276
278
278
280
280
281
281
280
280
281
282
284
285
288
291
302
307
308
309
309
310
309

Wednesday 23

Waxing Gibbous 92%

17:56

03:57

18 OK
19 Bad
20 OK
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

Sun - Rise: 06:54, Set: 18:59, Transit: 12:56. Moon - Rise: 17:56, Set: 03:57. Civil Dark: 19:33 - 06:20. Nautical Dark: 20:13 - 05:40. Astro Dark: 20:55 - 04:59

Total Clouds (% Sky Obscured)

33
55
25
87
63
91
100
91
88
89
89
90
98
79
88
97
90
85
97
98
100
100
100
100

Low Clouds (% Sky Obscured)

30
38
19
7
0
4
0
0
0
0
9
36
21
6
0
0
0
0
0
6
13
21
17
13

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
18
80
31
31
27
16
22
22
25
21
11
14
14
11
8
3

High Clouds (% Sky Obscured)

2
18
8
82
63
85
100
81
77
81
39
41
95
59
72
90
90
85
97
98
100
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
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)

12
9
8
6
4
3
2
2
1
2
2
2
3
2
3
4
6
8
9
10
10
10
11
9

Chance of Frost

Temperature (°C)

16
15
14
13
12
11
10
10
9
9
9
8
8
8
9
11
13
14
16
17
17
18
19
18

Feels Like (°C)

13
14
11
13
10
9
9
9
8
8
7
7
6
7
7
9
10
12
14
14
14
14
15
15

Dew Point (°C)

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

Relative Humidity (%)

60
65
70
80
84
86
85
87
88
85
85
87
87
88
81
75
64
54
47
44
40
40
40
43

Pressure (mb)

1025
1025
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1026
1025
1024
1023
1023

Ozone (du)

307
305
303
300
299
299
297
295
295
293
292
291
290
288
288
286
285
284
284
282
281
281
281
281

Thursday 24

Waxing Gibbous 97%

18:08

05:16

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

Sun - Rise: 06:56, Set: 18:57, Transit: 12:55. Moon - Rise: 18:08, Set: 05:16. Civil Dark: 19:31 - 06:22. Nautical Dark: 20:11 - 05:42. Astro Dark: 20:52 - 05:01

Total Clouds (% Sky Obscured)

100
100
100
100
65
65
100
100
100
100
83
66
49
41
32
30
48
63
79
85
85
70
66
65

Low Clouds (% Sky Obscured)

13
11
14
14
18
22
26
32
39
45
37
25
17
19
20
20
30
46
59
61
66
62
42
19

Medium Clouds (% Sky Obscured)

0
2
4
4
4
4
4
3
0
0
0
0
0
0
0
0
2
4
6
14
25
29
24
19

High Clouds (% Sky Obscured)

100
100
100
100
65
65
100
100
100
100
76
59
38
29
6
3
2
3
0
15
30
45
45
44

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
6
8
6
17
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
13
12
11
12
12
10
10
10
10
10
9
9
11
14
15
17
18
20
19
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

51
55
59
67
75
80
86
87
89
90
89
89
90
90
86
75
67
59
54
49
45
43
44
48

Pressure (mb)

1023
1023
1023
1022
1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

281
281
281
281
281
281
281
281
281
280
279
278
278
277
277
278
279
279
279
279
279
280
280
280

Friday 25

Waxing Gibbous 99%

18:19

06:35

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

Sun - Rise: 06:57, Set: 18:55, Transit: 12:55. Moon - Rise: 18:19, Set: 06:35. Civil Dark: 19:28 - 06:24. Nautical Dark: 20:08 - 05:44. Astro Dark: 20:50 - 05:03

Total Clouds (% Sky Obscured)

60
65
66
66
85
74
96
99
100
98
70
44
30
17
14
9
31
53
76
75
73
74
73
74

Low Clouds (% Sky Obscured)

0
2
4
5
3
1
0
0
0
0
0
0
0
0
0
0
20
27
19
9
8
4
4
4

Medium Clouds (% Sky Obscured)

19
14
15
10
7
2
0
0
0
0
0
0
0
0
1
1
10
19
27
39
52
65
67
68

High Clouds (% Sky Obscured)

34
49
59
57
80
64
95
99
100
98
67
35
0
13
10
9
10
7
3
3
3
2
5
4

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 (%)

17
16
12
4
0
0
0
0
0
0
0
0
0
1
1
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
5
5
4
3
3
3
3
3
3
2
2
2
2
5
6
7
8
9
11
11
11
11
9

Chance of Frost

Temperature (°C)

16
15
14
13
12
12
11
11
11
11
10
10
10
9
11
13
14
16
17
19
19
20
20
19

Feels Like (°C)

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

Dew Point (°C)

8
8
9
10
10
9
9
9
9
9
9
9
9
9
8
8
7
6
5
3
3
3
2
4

Relative Humidity (%)

58
64
75
83
84
84
86
87
88
90
91
93
93
96
81
70
60
51
43
36
34
32
29
37

Pressure (mb)

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

Ozone (du)

280
281
283
283
283
282
279
278
278
279
280
280
281
281
281
281
282
282
282
283
282
281
281
281

Saturday 26

Full Moon 100%

18:30

07:57

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
17 Bad

Sun - Rise: 06:59, Set: 18:52, Transit: 12:54. Moon - Rise: 18:30, Set: 07:57. Civil Dark: 19:26 - 06:25. Nautical Dark: 20:06 - 05:46. Astro Dark: 20:47 - 05:05

Total Clouds (% Sky Obscured)

75
84
92
96
96
97
98
89
78
66
77
88
100
100
100
100
92
87
77
83
90
97
98
99

Low Clouds (% Sky Obscured)

4
7
9
13
12
11
9
7
4
1
1
2
2
12
17
23
31
44
47
48
50
51
41
35

Medium Clouds (% Sky Obscured)

75
84
90
95
72
46
22
17
12
7
10
8
5
0
0
0
5
5
10
24
32
34
50
66

High Clouds (% Sky Obscured)

10
35
64
88
92
95
98
78
57
36
32
29
25
57
80
100
92
84
77
83
89
93
95
98

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
6
13
49
72
92
95
91
78
75
78
86
64
40

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
5
5
6
6
7
7
7
6
6
5
6
6
6
8
10
11
12
13
14
13
13
15
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
19
13
13
14
14
14
14
9
9
9
9
9
9
8
8
8
8
9
9
17
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

46
59
63
66
70
74
77
81
83
84
85
87
87
88
83
76
70
61
54
47
47
47
47
51

Pressure (mb)

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

Ozone (du)

281
280
282
283
285
289
294
298
299
299
299
299
299
298
300
303
305
304
304
303
303
303
303
305

Sunday 27

Waning Gibbous 98%

18:43

09:22

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: 07:01, Set: 18:50, Transit: 12:54. Moon - Rise: 18:43, Set: 09:22. Civil Dark: 19:24 - 06:27. Nautical Dark: 20:03 - 05:47. Astro Dark: 20:44 - 05:07

Total Clouds (% Sky Obscured)

100
98
98
96
98
100
100
100
100
100
86
73
64
66
70
72
73
72
71

Low Clouds (% Sky Obscured)

23
17
10
1
8
14
22
23
23
23
19
15
11
20
28
33
30
28
31

Medium Clouds (% Sky Obscured)

81
67
50
30
45
60
75
75
70
65
65
71
64
66
70
72
54
34
11

High Clouds (% Sky Obscured)

100
98
98
96
98
100
100
100
100
100
68
37
15
15
19
23
16
9
1

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

14
7
5
3
3
1
0
0
0
0
1
2
3
6
4
2
4
3
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
11
12
13
13
12
12
11
11
11
12
11
11
10
11
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

57
64
68
73
79
80
83
86
86
86
86
89
90
92
86
79
74
65
56

Pressure (mb)

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

Ozone (du)

307
309
309
309
308
308
308
308
308
309
309
312
314
317
316
316
315
311
307

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

Generated: 21/09/26 18:19:45. Forecast: 21/09/26 to 27/09/26. Timezone: UTC+1.00