Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waning Crescent 9%

04:03

17:00

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: 07:35, Set: 18:02, Transit: 12:49. Moon - Rise: 04:03, Set: 17:00. Civil Dark: 18:36 - 07:01. Nautical Dark: 19:16 - 06:22. Astro Dark: 19:55 - 05:42

Total Clouds (% Sky Obscured)

86
87
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
80
70
77
86
88
90
89
82
59
48
67
40
40
41
54
57
55
18
8
26
33
40
42

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
25
24
44
96
100
100
99
100
100
100
100
100
98
93
91
92
89

High Clouds (% Sky Obscured)

48
87
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
82
84
85
85
84
84
82
77
72
66
64
63
63
62
65
69
72
73
72
73
73
74

Pressure (mb)

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

Ozone (du)

274
273
272
271
272
273
274
274
275
277
275
274
273
273
272
273
275
275
273
271
271
272
274
275

Sunday 19

Waning Crescent 4%

05:17

17:09

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 OK
23 Bad

Sun - Rise: 07:37, Set: 18:00, Transit: 12:48. Moon - Rise: 05:17, Set: 17:09. Civil Dark: 18:34 - 07:03. Nautical Dark: 19:14 - 06:23. Astro Dark: 19:53 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
98
98
97
100
100
100
100
100
100
100
100
100
92
91
37
35
65

Low Clouds (% Sky Obscured)

41
38
43
51
44
50
55
61
66
66
83
74
83
77
100
86
78
90
85
86
83
37
35
41

Medium Clouds (% Sky Obscured)

82
75
95
95
96
97
99
85
56
55
78
100
100
100
100
100
100
100
100
68
30
0
0
26

High Clouds (% Sky Obscured)

100
100
100
100
100
94
100
89
47
30
61
100
100
100
100
100
100
100
100
45
33
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
2
9
4
7
1
5
0
1
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
28
0
0

Precipitation Type

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

Precipitation Probability (%)

1
3
4
7
16
14
8
9
20
45
56
71
95
95
95
95
95
95
54
64
43
10
3
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
1.9
1.4
0.6
1.4
1.5
2.2
0
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
69
68
69
71
69
69
68
68
68
67
73
81
95
95
96
96
96
96
96
96
92
95
96

Pressure (mb)

1015
1014
1013
1012
1011
1009
1008
1007
1006
1005
1004
1003
1002
1000
999
997
996
995
995
994
994
994
994
994

Ozone (du)

274
274
275
275
275
275
274
273
273
272
273
273
272
271
272
270
273
276
281
283
284
288
293
293

Monday 20

Waning Crescent 1%

06:30

17:19

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: 07:39, Set: 17:58, Transit: 12:48. Moon - Rise: 06:30, Set: 17:19. Civil Dark: 18:32 - 07:04. Nautical Dark: 19:12 - 06:25. Astro Dark: 19:51 - 05:46

Total Clouds (% Sky Obscured)

53
80
83
92
100
96
93
100
100
100
98
100
100
100
100
100
94
86
67
71
77
75
78
89

Low Clouds (% Sky Obscured)

47
71
72
75
71
82
72
66
61
78
89
63
62
76
70
70
70
68
52
57
63
69
60
65

Medium Clouds (% Sky Obscured)

8
2
21
49
99
79
87
99
100
57
15
99
100
89
99
64
70
25
26
38
20
18
15
28

High Clouds (% Sky Obscured)

0
30
0
0
18
39
40
97
69
100
85
100
100
100
100
100
50
24
25
25
26
2
7
25

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
13
100
4
2
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
1
2
1
5
24
28
34
31
44
95
88
89
95
95
95
92
62
55
40
44
31
5
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.6
0.5
0.4
0.6
1.4
0.9
0.7
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
10
10
10
10
10
11
11
11
14
15
12
11
9
7
3
3
5
8
9
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
11
11
10
10
11
11
12
12
12
11
12
11
11
11
11
10
10

Relative Humidity (%)

98
96
96
98
95
95
96
93
93
88
86
93
90
95
92
92
90
93
95
96
96
95
95
93

Pressure (mb)

993
993
993
992
991
991
990
989
989
988
988
987
986
985
984
984
983
983
984
985
986
986
987
988

Ozone (du)

292
294
297
302
301
296
296
295
300
303
302
297
298
300
300
297
297
298
297
296
294
294
296
296

Tuesday 21

New Moon 0%

07:43

17:29

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 OK
20 OK
21 Bad
22 Bad
23 OK

Sun - Rise: 07:41, Set: 17:56, Transit: 12:48. Moon - Rise: 07:43, Set: 17:29. Civil Dark: 18:30 - 07:06. Nautical Dark: 19:10 - 06:27. Astro Dark: 19:49 - 05:47

Total Clouds (% Sky Obscured)

94
91
88
75
77
87
95
97
99
100
75
87
96
87
76
64
50
60
53
43
41
50
53
40

Low Clouds (% Sky Obscured)

60
61
58
50
55
68
68
70
81
92
75
87
88
78
71
63
47
60
53
37
38
50
44
28

Medium Clouds (% Sky Obscured)

39
32
77
32
34
42
52
52
47
63
33
35
55
18
48
4
0
0
0
0
0
0
6
12

High Clouds (% Sky Obscured)

20
3
7
0
0
1
14
19
20
20
3
3
0
0
2
2
0
0
1
1
2
2
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
8
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 (%)

16
7
17
7
8
14
20
18
14
4
6
8
15
29
21
5
3
9
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
12
12
11
11
11
12
12
13
14
14
15
16
15
16
15
16
16
15
14
14
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
91
95
96
93
95
95
93
87
80
79
86
89
86
81
79
80
81
82
84
84
87

Pressure (mb)

988
989
989
989
989
989
990
990
990
991
991
992
992
993
993
994
994
995
996
997
997
998
999
1000

Ozone (du)

296
293
291
287
285
285
285
284
282
278
277
278
283
289
289
291
293
295
295
294
294
294
295
293

Wednesday 22

Waxing Crescent 1%

08:57

17:43

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: 07:42, Set: 17:54, Transit: 12:48. Moon - Rise: 08:57, Set: 17:43. Civil Dark: 18:28 - 07:08. Nautical Dark: 19:08 - 06:28. Astro Dark: 19:47 - 05:49

Total Clouds (% Sky Obscured)

42
57
69
77
78
81
82
82
74
82
75
82
83
82
86
89
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
14
7
0
11
23
32
22
13
3
12
22
33
55
78
89
99
99
100
95
90
86
87
89

Medium Clouds (% Sky Obscured)

19
38
47
55
45
43
41
52
59
66
62
63
53
48
41
34
39
48
62
57
63
72
67
61

High Clouds (% Sky Obscured)

4
27
51
77
78
81
82
82
74
82
75
82
83
76
59
42
59
76
92
94
97
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
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
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
4
5
23
36
49
47
44
37
43
51
63
79
88

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
9
8
7
6
6
5
6
6
7
8
9
10
11
12
13
14
15
16
16
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
94
94
94
94
94
94
94
91
81
74
71
67
69
67
67
72
79
84
86
89
92
93

Pressure (mb)

1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1000
1000
998
997
996
995
994
993
992
990
989
988

Ozone (du)

292
292
290
289
288
289
287
286
287
288
287
287
288
288
288
288
287
290
293
295
295
294
294
296

Thursday 23

Waxing Crescent 4%

10:11

18:01

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: 07:44, Set: 17:51, Transit: 12:48. Moon - Rise: 10:11, Set: 18:01. Civil Dark: 18:26 - 07:09. Nautical Dark: 19:06 - 06:30. Astro Dark: 19:45 - 05:51

Total Clouds (% Sky Obscured)

100
95
89
86
84
80
71
78
87
98
97
94
88
83
78
73
82
80
69
77
86
93
94
95

Low Clouds (% Sky Obscured)

91
82
76
72
70
69
67
72
78
88
79
78
73
82
78
73
82
80
69
77
83
87
88
88

Medium Clouds (% Sky Obscured)

59
57
47
36
23
11
0
0
0
0
0
4
15
41
60
68
63
65
56
63
70
80
77
74

High Clouds (% Sky Obscured)

100
74
49
24
21
15
10
10
8
10
41
67
88
62
30
0
0
1
1
1
2
1
11
21

ISS Passover

Visibility (miles)

3
0
3
6
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

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

Precipitation Probability (%)

92
95
95
81
58
36
24
24
21
15
16
17
19
33
56
67
68
65
58
49
46
48
49
52

Precipitation Amount (mm)

0.5
0.6
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.3
0.3
0
0
0.2
0
0

Wind Speed/Direction (mph)

18
18
17
17
20
19
19
19
20
21
21
22
23
23
25
27
30
29
29
30
28
26
24
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
11
10
10
9
9
9
7
7
6
6
6
5
6
5
5
6
5
5
3
2
2
1

Dew Point (°C)

14
15
13
11
10
9
8
8
7
7
6
6
5
5
5
5
5
5
5
5
6
6
7
7

Relative Humidity (%)

95
98
92
87
81
80
79
79
77
76
74
71
66
63
64
65
65
67
68
69
73
76
80
81

Pressure (mb)

986
985
985
985
985
985
985
985
985
986
986
986
986
985
984
983
982
981
981
981
982
982
982
983

Ozone (du)

298
300
298
297
296
296
296
295
294
293
291
291
290
290
293
296
300
299
299
299
299
299
300
301

Friday 24

Waxing Crescent 8%

11:25

18:25

Sun - Rise: 07:46, Set: 17:49, Transit: 12:48. Moon - Rise: 11:25, Set: 18:25. Civil Dark: 18:24 - 07:11. Nautical Dark: 19:04 - 06:32. Astro Dark: 19:43 - 05:52

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 18/10/25 00:05:13. Forecast: 18/10/25 to 25/10/25. Timezone: UTC+1.00