Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 30%

23:36

16:54

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

Sun - Rise: 06:42, Set: 19:18, Transit: 12:59. Moon - Rise: 23:36, Set: 16:54. Civil Dark: 19:52 - 06:09. Nautical Dark: 20:32 - 05:28. Astro Dark: 21:15 - 04:46

Total Clouds (% Sky Obscured)

72
72
72
63
57
69
56
57
55
46
75
37
38
36
33
34
33
29
38
81
100
100
100
100

Low Clouds (% Sky Obscured)

42
49
50
43
47
57
56
55
55
46
47
37
38
36
33
34
33
29
38
25
24
41
59
57

Medium Clouds (% Sky Obscured)

7
20
0
24
22
30
2
2
2
2
18
0
0
0
0
0
0
0
0
0
0
0
3
32

High Clouds (% Sky Obscured)

0
0
0
2
3
3
5
3
2
0
0
0
0
0
0
0
0
0
13
24
69
45
66
46

ISS Passover

Visibility (miles)

8
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 (%)

29
34
30
27
30
38
11
0
1
0
0
0
0
1
1
2
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)

20
20
20
25
24
24
23
22
20
19
19
19
19
18
17
17
18
18
17
14
13
13
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
67
67
66
68
70
75
74
74
75
74
69
68
71
73
67
63
60
59
63
63
62
56
53

Pressure (mb)

1004
1004
1005
1005
1005
1005
1006
1006
1008
1009
1010
1010
1011
1012
1012
1013
1013
1014
1014
1015
1016
1017
1017
1017

Ozone (du)

306
309
311
309
308
308
307
305
306
307
310
310
309
309
304
301
301
301
299
299
299
299
298
295

Tuesday 16

Waning Crescent 20%

00:57

17:33

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
11 Bad

Sun - Rise: 06:44, Set: 19:16, Transit: 12:59. Moon - Rise: 00:57, Set: 17:33. Civil Dark: 19:50 - 06:10. Nautical Dark: 20:30 - 05:30. Astro Dark: 21:12 - 04:48

Total Clouds (% Sky Obscured)

100
97
100
97
92
90
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
96
95

Low Clouds (% Sky Obscured)

27
40
61
44
25
32
45
26
70
45
56
78
93
85
70
84
89
88
100
100
100
100
92
90

Medium Clouds (% Sky Obscured)

64
45
51
42
48
41
44
52
79
86
97
94
98
83
97
99
98
100
100
98
96
95
84
22

High Clouds (% Sky Obscured)

99
93
100
94
77
58
100
100
100
100
100
88
96
100
71
95
36
24
9
6
0
1
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
3
3
5
5
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None

Precipitation Probability (%)

1
2
3
1
15
3
1
13
37
53
64
66
57
69
63
95
95
95
95
95
79
85
62
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.3
0.4
0.2
1.1
0.9
0.7
1.1
0.5
0.3
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
48
48
56
56
56
61
68
75
78
79
80
89
89
90
87
90
95
95
98
95
93
92
92

Pressure (mb)

1018
1017
1018
1018
1018
1018
1018
1018
1018
1019
1018
1018
1018
1017
1017
1016
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

291
285
282
279
278
275
273
271
268
267
265
264
263
261
259
259
259
260
261
263
263
264
265
265

Wednesday 17

Waning Crescent 12%

02:21

17:59

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
11 Bad

Sun - Rise: 06:45, Set: 19:14, Transit: 12:59. Moon - Rise: 02:21, Set: 17:59. Civil Dark: 19:47 - 06:12. Nautical Dark: 20:27 - 05:32. Astro Dark: 21:10 - 04:50

Total Clouds (% Sky Obscured)

93
88
87
100
77
90
97
70
81
68
80
91
89
93
96
95
88
73
79
78
85
79
80
82

Low Clouds (% Sky Obscured)

84
79
63
56
65
68
66
66
51
51
57
72
70
67
64
57
49
38
37
51
61
66
75
82

Medium Clouds (% Sky Obscured)

59
10
80
100
77
90
49
0
12
12
20
28
33
37
41
41
41
46
47
45
48
50
55
48

High Clouds (% Sky Obscured)

4
5
34
58
19
13
4
5
13
7
2
6
2
15
30
44
36
25
14
10
6
1
24
47

ISS Passover

Visibility (miles)

9
9
8
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 (%)

13
29
37
4
6
10
9
3
0
0
0
0
0
0
0
0
2
3
4
6
7
7
7
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
91
90
90
89
89
90
93
92
92
92
89
86
84
86
87
90
89
85
77
73
65

Pressure (mb)

1014
1014
1014
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

265
266
266
267
268
265
264
262
262
262
262
261
262
261
260
260
261
263
263
264
265
265
265
265

Thursday 18

Waning Crescent 6%

03:43

18:17

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
11 Bad

Sun - Rise: 06:47, Set: 19:11, Transit: 12:58. Moon - Rise: 03:43, Set: 18:17. Civil Dark: 19:45 - 06:14. Nautical Dark: 20:25 - 05:34. Astro Dark: 21:07 - 04:52

Total Clouds (% Sky Obscured)

82
73
64
94
99
99
98
99
99
100
99
97
92
83
72
63
71
85
95
97
98
100
100
100

Low Clouds (% Sky Obscured)

82
73
64
94
86
82
75
69
72
75
69
59
53
47
48
48
54
64
70
62
58
52
55
61

Medium Clouds (% Sky Obscured)

44
40
40
36
39
42
55
63
75
81
84
83
56
36
20
8
23
34
54
58
47
56
85
59

High Clouds (% Sky Obscured)

66
44
22
13
20
20
30
42
57
68
62
46
26
21
17
12
15
24
34
51
75
100
100
97

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 (%)

3
20
26
18
19
14
5
8
7
6
6
5
3
5
7
6
9
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
17
16
16
15
15
15
15
15
15
15
15
16
16
15
15
15
14
14
15
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

62
58
57
57
59
65
72
79
82
85
86
86
87
87
89
89
90
89
90
92
87
81
75
69

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1018
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

265
265
265
263
262
259
258
258
257
256
257
258
258
258
257
257
257
257
258
259
260
260
259
258

Friday 19

Waning Crescent 2%

05:01

18:31

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
11 Bad

Sun - Rise: 06:49, Set: 19:09, Transit: 12:58. Moon - Rise: 05:01, Set: 18:31. Civil Dark: 19:43 - 06:15. Nautical Dark: 20:22 - 05:35. Astro Dark: 21:04 - 04:54

Total Clouds (% Sky Obscured)

100
81
63
55
50
50
53
100
100
99
98
95
93
95
98
100
100
100
100
100
100
100
85
71

Low Clouds (% Sky Obscured)

68
63
51
38
38
41
42
73
74
76
76
77
77
68
59
49
57
65
69
64
59
49
39
31

Medium Clouds (% Sky Obscured)

49
33
20
0
31
3
0
5
6
9
6
4
1
3
7
12
23
36
48
55
61
63
65
65

High Clouds (% Sky Obscured)

98
68
37
15
11
7
10
61
73
87
88
85
82
88
94
100
100
100
100
100
100
100
77
50

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
2
5
10
10
1
0
0
0
0
0
0
0
0
0
0
3
2
0
0
0
0
5
6

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)

13
13
11
10
10
11
8
6
6
5
4
5
5
6
6
5
5
5
5
5
6
8
9
9

Chance of Frost

Temperature (°C)

21
21
21
21
22
21
20
19
19
18
17
17
16
16
15
15
14
14
14
14
15
16
17
18

Feels Like (°C)

18
19
20
20
22
20
19
19
19
19
18
18
18
18
14
14
14
14
14
13
13
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

65
65
70
72
69
73
78
80
81
81
81
82
81
82
80
79
78
76
74
74
70
69
66
66

Pressure (mb)

1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1017
1017
1017
1016
1016
1015
1015
1014
1014
1014
1013
1013
1013

Ozone (du)

257
258
258
259
260
260
260
262
262
262
262
263
263
264
264
264
264
265
266
266
266
266
266
266

Saturday 20

Waning Crescent 2%

06:17

18:42

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

Sun - Rise: 06:50, Set: 19:07, Transit: 12:58. Moon - Rise: 06:17, Set: 18:42. Civil Dark: 19:40 - 06:17. Nautical Dark: 20:20 - 05:37. Astro Dark: 21:02 - 04:56

Total Clouds (% Sky Obscured)

59
75
91
100
100
100
100
90
79
67
45
25
5
6
12
13
33
54
67
68
69
72
77
83

Low Clouds (% Sky Obscured)

25
36
52
68
67
66
71
72
72
67
45
21
0
1
2
4
2
1
5
9
12
15
31
50

Medium Clouds (% Sky Obscured)

59
75
86
100
90
81
71
63
57
40
35
25
5
6
8
0
0
0
0
0
0
0
10
18

High Clouds (% Sky Obscured)

21
47
74
100
100
100
100
75
50
25
25
20
5
6
12
13
33
54
67
68
69
72
63
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
8
9
9
9
9
8
6
4
2
5
7
9
9
9
9
8

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

Precipitation Probability (%)

4
19
25
24
30
31
32
33
31
25
32
34
38
45
54
60
56
53
50
43
34
14
21
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
11
12
13
12
11
10
9
8
8
7
6
6
6
7
7
6
5
5
5
6
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
68
70
74
77
81
88
92
93
95
96
98
98
98
98
98
96
93
92
89
84
79
75
68

Pressure (mb)

1012
1012
1011
1011
1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1014
1013

Ozone (du)

266
265
265
265
266
267
268
270
271
272
274
273
273
273
273
274
274
275
275
275
277
278
279
281

Sunday 21

New Moon 0%

07:30

18:52

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

Sun - Rise: 06:52, Set: 19:04, Transit: 12:57. Moon - Rise: 07:30, Set: 18:52. Civil Dark: 19:38 - 06:19. Nautical Dark: 20:18 - 05:39. Astro Dark: 20:59 - 04:58

Total Clouds (% Sky Obscured)

88
74
68
76
62
43
24
30
35
43
51
49
41

Low Clouds (% Sky Obscured)

65
60
55
54
46
36
20
18
14
14
15
18
19

Medium Clouds (% Sky Obscured)

25
21
18
16
19
20
18
16
17
18
15
13
12

High Clouds (% Sky Obscured)

59
45
23
2
33
43
24
30
35
43
47
18
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

25
30
40
52
48
42
55
54
43
22
33
31
16

Precipitation Amount (mm)

0
0
0
0.2
0
0
0.2
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
20
18
18
17
18
17
14
14
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

62
56
58
60
62
65
71
75
80
84
89
90
93

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1013
1013
1013
1013
1013
1014

Ozone (du)

284
286
286
286
286
289
293
297
297
297
297
296
295

Forecast for Oxford, Oxfordshire, United Kingdom (51.75,-1.26)

Generated: 15/09/25 11:40:17. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+1.00