Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

03:39

18:19

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:46, Set: 19:11, Transit: 12:57. Moon - Rise: 03:39, Set: 18:19. Civil Dark: 19:45 - 06:12. Nautical Dark: 20:25 - 05:31. Astro Dark: 21:08 - 04:49

Total Clouds (% Sky Obscured)

93
92
93
94
92
88
79
72
85
84
90
100
99
100
100
100
100
97
97
89
95
82
86
97

Low Clouds (% Sky Obscured)

82
92
61
50
54
52
59
50
45
58
56
65
60
64
65
68
65
72
63
58
61
73
74
70

Medium Clouds (% Sky Obscured)

2
16
0
20
15
7
0
5
25
30
21
43
56
63
83
81
67
30
26
83
87
64
79
60

High Clouds (% Sky Obscured)

31
34
47
31
67
71
63
55
44
39
79
100
93
100
100
100
100
89
87
81
90
74
62
86

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
7
5
15
2
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)

14
16
16
19
19
19
17
16
14
12
11
11
11
12
12
12
12
11
10
10
10
10
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
86
80
84
86
80
76
80
82
86
92
93
95
93
93
93
95
93
96
95
95
89
83
76

Pressure (mb)

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

Ozone (du)

261
260
260
260
260
259
257
258
258
258
256
257
259
259
259
258
260
261
263
263
261
261
260
259

Friday 19

Waning Crescent 6%

04:59

18:31

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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

Sun - Rise: 06:47, Set: 19:08, Transit: 12:57. Moon - Rise: 04:59, Set: 18:31. Civil Dark: 19:42 - 06:13. Nautical Dark: 20:23 - 05:33. Astro Dark: 21:06 - 04:51

Total Clouds (% Sky Obscured)

99
100
99
57
58
79
57
35
82
54
100
96
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

53
58
47
43
58
43
55
35
45
7
23
25
39
50
56
55
58
60
58
65
55
89
81
63

Medium Clouds (% Sky Obscured)

46
55
38
5
6
13
2
2
7
0
0
0
0
0
1
2
14
75
80
97
79
84
81
23

High Clouds (% Sky Obscured)

93
93
77
22
13
32
9
6
63
54
80
69
67
62
100
100
100
100
100
100
100
100
77
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
5
4
1
2
1
0
0
0
2
1
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
13
13
14
14
14
12
9
7
7
6
5
5
5
6
5
5
4
4
3
4
5
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
61
58
51
47
46
49
55
65
71
74
78
82
85
87
90
90
92
92
92
90
87
78
68

Pressure (mb)

1018
1017
1017
1016
1015
1014
1014
1014
1014
1014
1015
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1011
1011
1010

Ozone (du)

260
262
261
261
261
261
261
262
263
263
264
264
264
265
266
266
266
266
265
263
263
265
265
265

Saturday 20

Waning Crescent 2%

06:15

18:42

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:49, Set: 19:06, Transit: 12:57. Moon - Rise: 06:15, Set: 18:42. Civil Dark: 19:40 - 06:15. Nautical Dark: 20:20 - 05:35. Astro Dark: 21:03 - 04:53

Total Clouds (% Sky Obscured)

100
100
100
99
100
99
100
65
71
67
52
41
37
69
69
65
77
56
80
100
87
51
58
66

Low Clouds (% Sky Obscured)

81
70
84
79
32
40
49
51
63
67
50
41
31
59
60
59
71
55
74
100
83
51
52
60

Medium Clouds (% Sky Obscured)

70
72
48
51
54
94
77
60
17
4
0
0
0
0
0
0
0
0
0
38
44
39
38
32

High Clouds (% Sky Obscured)

100
100
100
82
100
36
49
29
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
11
5
16
13
20
15
15
10
5
2
2
1
2
5
1
0
1
18
17
11
13
12
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)

9
11
12
12
12
13
12
13
13
13
15
16
18
19
20
19
17
18
18
18
17
16
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
16
15
15
16
15
14
15
14
10
9
7
6
6
6
5
7
5
5
6
7
6

Dew Point (°C)

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

Relative Humidity (%)

61
53
51
53
49
48
50
53
61
70
74
72
71
74
72
71
71
68
76
71
71
68
66
64

Pressure (mb)

1010
1009
1008
1007
1006
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1006
1007
1008
1009

Ozone (du)

265
265
265
266
266
266
267
267
270
275
277
281
282
283
284
285
289
291
294
295
297
300
301
304

Sunday 21

New Moon 0%

07:29

18:51

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:51, Set: 19:04, Transit: 12:56. Moon - Rise: 07:29, Set: 18:51. Civil Dark: 19:37 - 06:17. Nautical Dark: 20:18 - 05:37. Astro Dark: 21:00 - 04:55

Total Clouds (% Sky Obscured)

92
92
94
94
95
91
93
92
87
71
78
78
75
62
65
59
62
59
53
43
39
40
40
48

Low Clouds (% Sky Obscured)

77
83
82
82
83
72
65
52
48
36
34
37
43
53
50
48
53
59
53
43
39
40
40
48

Medium Clouds (% Sky Obscured)

29
26
31
36
41
40
38
42
30
23
48
68
63
55
60
59
62
52
45
43
32
36
24
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
7
14
13
21
5
3
4
19
21
14
17
25
35
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
3
3
4
5
2
3
7
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

21
6
8
25
19
19
17
15
22
23
20
32
36
47
63
66
66
59
71
79
63
36
10
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
17
15
14
12
11
10
9
7
7
9
9
8
9
10
11
12
12
12
13
14
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
59
59
56
64
63
59
61
65
67
74
76
78
82
87
93
93
95
91
93
91
90
85
81

Pressure (mb)

1009
1010
1010
1010
1011
1011
1011
1012
1012
1013
1014
1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1019
1020
1021

Ozone (du)

303
302
302
301
302
304
305
303
307
309
309
309
309
308
308
308
308
308
309
311
311
312
314
314

Monday 22

Waxing Crescent 1%

08:43

18:59

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

Sun - Rise: 06:52, Set: 19:01, Transit: 12:56. Moon - Rise: 08:43, Set: 18:59. Civil Dark: 19:35 - 06:19. Nautical Dark: 20:15 - 05:38. Astro Dark: 20:57 - 04:57

Total Clouds (% Sky Obscured)

53
60
67
75
84
77
54
34
20
25
30
18
20
24
37
57
78
85
91
100
96
92
87
92

Low Clouds (% Sky Obscured)

53
59
61
60
62
58
43
31
20
14
3
12
20
24
37
43
46
41
35
29
19
10
4
33

Medium Clouds (% Sky Obscured)

43
32
19
24
26
17
13
9
6
3
0
1
3
4
13
16
23
32
49
61
57
36
41
44

High Clouds (% Sky Obscured)

15
13
0
0
0
0
0
1
0
0
1
0
1
1
26
51
75
79
82
81
55
40
29
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 (%)

5
8
2
3
4
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
2
20

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)

16
15
15
15
15
14
12
11
10
8
6
5
5
5
4
4
4
4
5
5
5
6
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
75
72
66
63
64
66
67
69
72
77
74
75
74
75
78
79
81
82
81
81
77
73
69

Pressure (mb)

1021
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1024
1023
1023
1023
1023
1023
1023
1023
1024
1024

Ozone (du)

315
313
311
310
308
307
306
305
305
305
305
305
303
303
303
303
302
302
302
302
302
302
301
301

Tuesday 23

Waxing Crescent 3%

09:57

19:09

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:54, Set: 18:59, Transit: 12:56. Moon - Rise: 09:57, Set: 19:09. Civil Dark: 19:33 - 06:20. Nautical Dark: 20:13 - 05:40. Astro Dark: 20:55 - 04:59

Total Clouds (% Sky Obscured)

95
99
93
87
83
90
94
98
98
99
99
96
91
71
70
59
62
67
76
67
67
62
76
76

Low Clouds (% Sky Obscured)

55
74
72
67
64
66
73
78
79
79
79
76
72
71
70
59
62
67
66
55
48
44
41
53

Medium Clouds (% Sky Obscured)

38
35
40
40
50
49
34
10
6
7
8
7
11
16
40
44
59
59
74
67
67
62
65
62

High Clouds (% Sky Obscured)

54
65
47
24
1
23
45
76
86
90
90
90
85
71
70
59
62
67
76
67
67
60
50
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
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

25
22
39
48
54
69
76
79
69
58
42
57
67
76
76
77
77
70
61
47
43
37
30
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
60
56
52
48
44
50
58
67
67
66
67
72
78
84
85
87
88
87
87
87
78
70
64

Pressure (mb)

1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025

Ozone (du)

301
302
302
301
301
301
300
299
298
298
298
298
298
298
297
297
297
298
297
297
297
297
296
295

Wednesday 24

Waxing Crescent 7%

No Rise

19:20

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: 06:56, Set: 18:56, Transit: 12:55. Moon - Rise: No Rise, Set: 19:20. Civil Dark: 19:30 - 06:22. Nautical Dark: 20:10 - 05:42. Astro Dark: 20:52 - 05:00

Total Clouds (% Sky Obscured)

76
76
81
82
87
87
88
80
84
83
78
67
62
60
52
52
48
58
67
82

Low Clouds (% Sky Obscured)

66
76
81
82
87
82
71
61
64
72
74
67
62
60
52
52
48
51
51
51

Medium Clouds (% Sky Obscured)

58
60
58
56
55
45
45
31
31
27
23
24
24
30
25
30
35
55
67
68

High Clouds (% Sky Obscured)

35
30
35
35
45
55
55
31
27
28
43
47
47
52
52
52
48
58
67
82

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

33
31
33
35
35
34
33
30
39
39
35
30
24
21
36
44
48
57
63
68

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
52
48
48
47
47
51
56
61
66
72
77
78
78
80
81
81
81
81
82

Pressure (mb)

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

Ozone (du)

295
295
295
295
294
294
294
294
294
294
294
293
292
291
290
291
292
292
292
292

Forecast for Sibbertoft, Northamptonshire, United Kingdom (52.44,-1.00)

Generated: 18/09/25 11:29:59. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00