Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waning Crescent 7%

05:45

14:38

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

Sun - Rise: 07:29, Set: 16:08, Transit: 11:49. Moon - Rise: 05:45, Set: 14:38. Civil Dark: 16:46 - 06:51. Nautical Dark: 17:28 - 06:10. Astro Dark: 18:08 - 05:31

Total Clouds (% Sky Obscured)

48
46
41
20
17
8
23
30
21
21
14
12
3
21
100
25
10
0
0
9
5
35
87
79

Low Clouds (% Sky Obscured)

37
32
13
20
17
8
23
30
21
21
14
12
0
0
0
0
0
0
0
9
0
35
69
61

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
3
4
0
0
0
0
0
42
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
0
0
3
21
99
25
10
0
0
9
5
5
0
12

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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
13

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-1
0
1
3
3
4
4
3
2
1
1
-1
-2
-3
-3
-3
-2
-3
-4
-2
-2

Dew Point (°C)

-0
-1
-1
0
1
-1
-1
-1
0
1
1
0
0
-0
-1
-1
-2
-2
-2
-1
-1
-1
-1
-1

Relative Humidity (%)

79
79
79
82
77
67
63
60
64
66
73
79
82
83
84
84
83
84
86
88
88
88
86
84

Pressure (mb)

1021
1021
1023
1023
1024
1024
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1026
1025
1025
1025
1024
1023
1022
1021

Ozone (du)

261
261
258
260
261
260
261
266
270
270
271
255
258
262
266
270
278
278
274
271
272
272
277
284

Tuesday 18

Waning Crescent 3%

No Rise

14:51

06 Bad
07 Bad
08 OK
09 OK
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

Sun - Rise: 07:31, Set: 16:07, Transit: 11:49. Moon - Rise: No Rise, Set: 14:51. Civil Dark: 16:45 - 06:53. Nautical Dark: 17:27 - 06:11. Astro Dark: 18:07 - 05:32

Total Clouds (% Sky Obscured)

81
44
10
10
85
86
83
100
100
83
93
85
54
67
77
58
71
56
67
83
87
91
100
100

Low Clouds (% Sky Obscured)

43
0
0
0
60
50
53
51
77
40
51
45
54
66
77
58
71
56
67
74
59
57
53
46

Medium Clouds (% Sky Obscured)

15
0
0
5
28
50
79
91
94
71
87
50
2
30
30
30
20
2
6
36
74
79
59
82

High Clouds (% Sky Obscured)

17
18
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
5
0
0
7
9
9
9
9
9
9
9
9
9
9
8
8
9
9
8
9
9
0
0

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
None
None
None
None
None
None
None
Snow
Light Rain

Precipitation Probability (%)

14
22
3
0
0
2
7
21
35
32
18
17
6
24
69
46
39
31
27
22
30
21
64
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0
0
0
0
0
0
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-3
-3
-2
-1
1
2
1
2
1
1
1
2
2
1
0
-0
0
-0
-1
-2
-3
-4
-5

Dew Point (°C)

-1
1
1
1
2
2
2
3
3
3
4
4
5
5
4
4
4
3
3
2
1
1
1
1

Relative Humidity (%)

84
93
96
94
91
85
79
78
81
82
90
93
94
94
91
93
91
88
93
91
89
93
94
96

Pressure (mb)

1021
1020
1020
1020
1019
1018
1016
1015
1014
1013
1012
1011
1011
1010
1009
1009
1008
1008
1008
1008
1008
1007
1007
1007

Ozone (du)

284
280
278
273
274
273
272
273
278
281
283
284
285
279
283
290
301
302
300
296
298
302
312
323

Wednesday 19

Waning Crescent 1%

06:59

15:07

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

Sun - Rise: 07:33, Set: 16:06, Transit: 11:49. Moon - Rise: 06:59, Set: 15:07. Civil Dark: 16:44 - 06:54. Nautical Dark: 17:26 - 06:12. Astro Dark: 18:06 - 05:34

Total Clouds (% Sky Obscured)

100
45
17
35
93
81
61
59
38
34
43
66
47
33
26
20
12
15
16
16
45
22
12
8

Low Clouds (% Sky Obscured)

33
22
12
28
32
32
37
34
38
34
39
40
28
23
1
19
9
12
13
14
15
15
7
4

Medium Clouds (% Sky Obscured)

100
45
17
35
92
81
54
53
3
1
7
49
10
7
14
4
3
2
2
2
37
4
4
2

High Clouds (% Sky Obscured)

0
0
0
35
32
27
2
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
3
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
49
10
2
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0

Precipitation Amount (mm)

0.7
0.9
1
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)

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

Chance of Frost

Temperature (°C)

1
0
0
0
1
2
3
3
4
3
2
2
1
1
0
-0
-1
-1
-1
-1
-1
-1
-1
-1

Feels Like (°C)

-6
-6
-7
-8
-6
-6
-5
-4
-4
-3
-4
-5
-6
-5
-6
-5
-5
-6
-6
-6
-6
-6
-6
-6

Dew Point (°C)

0
-0
-1
-1
-3
-3
-1
0
0
0
-1
-2
-2
-3
-3
-4
-4
-4
-4
-4
-4
-5
-5
-5

Relative Humidity (%)

96
96
96
91
71
70
76
79
79
80
82
80
78
78
80
78
80
80
78
78
78
77
74
74

Pressure (mb)

1008
1008
1009
1010
1010
1011
1011
1011
1011
1011
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

335
341
335
326
322
324
327
327
330
327
329
329
322
323
325
327
319
314
320
315
310
307
308
314

Thursday 20

New Moon 0%

08:13

15:29

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

Sun - Rise: 07:34, Set: 16:05, Transit: 11:49. Moon - Rise: 08:13, Set: 15:29. Civil Dark: 16:43 - 06:56. Nautical Dark: 17:25 - 06:14. Astro Dark: 18:05 - 05:35

Total Clouds (% Sky Obscured)

4
15
26
7
4
1
3
3
3
2
1
1
5
9
24
14
20
13
5
7
10
21
32
51

Low Clouds (% Sky Obscured)

2
8
18
3
1
0
2
3
3
2
1
0
0
1
2
3
20
13
5
6
10
9
7
4

Medium Clouds (% Sky Obscured)

0
1
4
2
2
1
1
0
0
0
0
1
2
8
24
14
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
14
28
43

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-0
1
2
3
3
3
3
2
1
0
0
0
0
0
1
1
0
-0
-0
-1
-1

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-5
-4
-4
-4
-3
-3
-3
-2
-2
-2
-2
-2

Relative Humidity (%)

74
74
72
70
64
59
57
56
60
63
66
71
71
73
74
75
77
74
80
84
86
87
87
89

Pressure (mb)

1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1022
1022
1023
1023

Ozone (du)

323
329
331
332
334
335
335
334
333
327
324
323
322
321
323
323
317
315
312
309
306
303
300
296

Friday 21

Waxing Crescent 2%

09:23

16:01

06 Bad
07 OK
08 OK
09 OK
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

Sun - Rise: 07:36, Set: 16:03, Transit: 11:50. Moon - Rise: 09:23, Set: 16:01. Civil Dark: 16:42 - 06:57. Nautical Dark: 17:24 - 06:15. Astro Dark: 18:04 - 05:36

Total Clouds (% Sky Obscured)

39
26
22
39
77
100
100
100
100
93
100
100
95
92
84
80
79
78
85
93
100
98
97
96

Low Clouds (% Sky Obscured)

3
1
0
0
0
0
20
39
59
56
50
46
25
25
26
27
28
29
19
12
9
18
34
24

Medium Clouds (% Sky Obscured)

2
4
6
22
41
73
91
96
95
89
99
87
75
84
84
80
79
78
77
72
64
73
85
95

High Clouds (% Sky Obscured)

30
21
14
38
72
99
99
100
100
77
77
63
42
43
44
30
29
29
56
78
100
93
87
77

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
8
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
6
13
21
0
0
0
0
0
0
0
0
0
6
21
46

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-0
1
2
3
3
3
3
2
2
2
0
0
-0
-0
-0
-0
0
0
1
1
1

Feels Like (°C)

-4
-3
-3
-2
-1
-1
0
0
-1
-0
-1
-2
-2
-4
-4
-5
-5
-5
-6
-5
-5
-5
-6
-6

Dew Point (°C)

-2
-2
-2
-3
-3
-2
-2
-1
-1
0
1
-0
-1
-2
-3
-3
-3
-3
-4
-4
-3
-3
-2
-1

Relative Humidity (%)

91
92
91
83
76
72
71
72
73
80
88
85
84
83
83
81
80
80
78
77
77
75
81
84

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1026
1025
1025
1025
1024
1023
1023
1022
1021
1020
1019

Ozone (du)

290
287
286
284
282
281
282
283
283
281
279
274
270
269
269
268
266
264
262
267
273
278
279
280

Saturday 22

Waxing Crescent 5%

10:25

16:45

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:38, Set: 16:02, Transit: 11:50. Moon - Rise: 10:25, Set: 16:45. Civil Dark: 16:41 - 06:59. Nautical Dark: 17:23 - 06:17. Astro Dark: 18:04 - 05:38

Total Clouds (% Sky Obscured)

97
99
100
100
100
100
100
100
100
100
100
100
93
81
69
62
55
51
48
46
40
49
58
70

Low Clouds (% Sky Obscured)

22
24
26
45
64
85
91
96
100
98
97
96
84
76
69
62
55
51
48
46
35
49
58
70

Medium Clouds (% Sky Obscured)

97
99
100
100
100
100
83
82
81
79
77
71
62
44
41
18
8
4
8
11
16
13
9
6

High Clouds (% Sky Obscured)

85
92
100
100
100
100
96
86
79
50
25
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
5
4
4
5
7
8
8
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

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

Precipitation Probability (%)

66
80
91
95
95
95
95
95
95
95
93
73
65
59
54
45
34
17
15
13
6
15
14
8

Precipitation Amount (mm)

0.3
0.5
0.7
0.7
0.6
0.6
0.6
0.7
1
0.8
0.5
0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-4
-4
-4
-3
-3
-2
-1
-0
0
0
1
2
3
3
3
3
3
3
1
1
1
1
1

Dew Point (°C)

0
1
2
2
3
3
4
5
5
5
5
5
5
5
5
4
4
4
4
4
4
3
3
3

Relative Humidity (%)

91
91
93
93
93
93
94
94
94
94
94
93
91
93
93
91
91
94
94
91
91
89
88
86

Pressure (mb)

1018
1017
1016
1015
1014
1012
1011
1010
1009
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

281
285
289
293
295
297
299
298
297
297
294
291
288
289
289
290
286
283
280
277
274
271
272
273

Sunday 23

Waxing Crescent 10%

11:15

17:43

Sun - Rise: 07:39, Set: 16:01, Transit: 11:50. Moon - Rise: 11:15, Set: 17:43. Civil Dark: 16:40 - 07:00. Nautical Dark: 17:22 - 06:18. Astro Dark: 18:03 - 05:39

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: 17/11/25 05:57:39. Forecast: 17/11/25 to 23/11/25. Timezone: UTC+0.00