Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 12%

02:21

17:59

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
12 Bad
13 Bad

Sun - Rise: 06:46, Set: 19:14, Transit: 12:58. Moon - Rise: 02:21, Set: 17:59. Civil Dark: 19:47 - 06:12. Nautical Dark: 20:27 - 05:32. Astro Dark: 21:09 - 04:50

Total Clouds (% Sky Obscured)

87
90
92
94
100
99
95
94
98
99
99
94
94
93
92
91
96
79
73
100
89
92
68
98

Low Clouds (% Sky Obscured)

87
90
92
94
100
98
90
92
92
93
83
87
94
93
84
86
93
79
63
83
88
92
66
62

Medium Clouds (% Sky Obscured)

50
59
59
58
47
49
45
44
54
55
49
58
4
54
21
26
7
2
4
11
0
0
3
15

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
4
4
1
0
0
0
51
52
10
63
93
89
79
45
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 (%)

1
4
7
16
20
4
2
8
4
6
3
1
4
4
2
4
0
0
2
0
0
0
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)

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

Chance of Frost

Temperature (°C)

18
18
18
18
18
18
18
18
18
18
17
17
17
17
17
17
17
17
17
18
19
20
20
21

Feels Like (°C)

15
15
16
16
16
15
15
15
15
15
15
16
16
16
16
16
16
15
15
15
16
17
17
17

Dew Point (°C)

17
17
17
17
17
17
17
17
16
16
16
16
16
16
17
16
16
16
16
16
16
16
16
16

Relative Humidity (%)

90
92
92
92
92
92
92
93
90
92
93
92
90
93
95
93
93
92
92
86
84
80
77
74

Pressure (mb)

1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

266
266
265
265
265
264
264
264
262
261
261
261
260
259
260
259
259
258
258
257
257
256
256
258

Thursday 18

Waning Crescent 6%

03:43

18:17

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 OK
11 Bad
12 Bad
13 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)

100
98
92
83
72
59
91
96
98
99
100
100
100
96
97
100
100
65
65
54
41
98
100
100

Low Clouds (% Sky Obscured)

56
44
51
57
34
46
33
46
53
60
63
61
58
55
62
67
75
65
65
54
41
36
35
57

Medium Clouds (% Sky Obscured)

27
30
21
20
2
14
2
2
2
2
2
26
10
3
3
4
4
54
0
1
0
0
0
0

High Clouds (% Sky Obscured)

97
73
85
65
72
50
90
95
98
99
92
100
100
43
66
100
100
34
24
14
5
66
59
59

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
61
63
69
75
82
88
92
93
95
95
96
95
95
96
95
96
96
92
82
72
66
58
49

Pressure (mb)

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

Ozone (du)

259
259
260
259
259
258
258
258
257
257
256
256
255
255
256
256
255
256
256
257
257
257
256
257

Friday 19

Waning Crescent 2%

05:01

18:31

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
12 Bad
13 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 - 05:36. Astro Dark: 21:04 - 04:54

Total Clouds (% Sky Obscured)

75
63
77
98
96
81
78
94
92
84
90
94
100
73
96
94
90
94
97
99
100
100
96
75

Low Clouds (% Sky Obscured)

55
51
41
38
26
0
11
5
24
32
40
45
46
52
49
53
58
60
61
66
65
64
64
52

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
3
0
12
16
80
64
39
39
78
94
87
60

High Clouds (% Sky Obscured)

52
45
61
95
92
77
73
89
86
57
65
76
100
66
89
74
33
52
75
98
100
100
93
61

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
5
100
100
99
96
93
93
93
93
93
93
93

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
1
1
2
10
20
26
31

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
11
11
10
7
7
6
5
5
4
4
4
4
3
4
3
5
6
8
11
12
15
13

Chance of Frost

Temperature (°C)

23
23
23
22
21
19
17
16
16
15
15
14
14
14
14
13
13
13
14
16
17
18
19
19

Feels Like (°C)

22
21
20
20
18
17
17
17
15
14
16
14
13
13
13
12
12
11
13
14
15
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

45
40
42
48
54
63
70
72
73
70
74
75
78
80
80
82
80
84
84
78
70
65
57
59

Pressure (mb)

1016
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1006

Ozone (du)

257
257
259
260
262
263
262
261
260
261
262
262
262
264
266
266
264
265
266
267
267
268
267
268

Saturday 20

Waning Crescent 0%

06:17

18:42

14 Bad
15 Bad
16 Bad
17 Bad
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

Sun - Rise: 06:50, Set: 19:07, Transit: 12:57. Moon - Rise: 06:17, Set: 18:42. Civil Dark: 19:40 - 06:17. Nautical Dark: 20:20 - 05:37. Astro Dark: 21:01 - 04:56

Total Clouds (% Sky Obscured)

84
74
57
45
30
45
34
73
68
63
57
50
67
84
73
78
81
87
91
95
90
85
81
87

Low Clouds (% Sky Obscured)

46
27
20
15
13
27
34
52
43
38
40
45
60
76
54
50
68
85
88
92
87
80
75
83

Medium Clouds (% Sky Obscured)

69
71
24
10
0
0
0
0
0
0
0
8
16
24
30
31
31
27
23
31
30
61
50
64

High Clouds (% Sky Obscured)

40
10
1
10
15
15
3
15
20
20
11
2
0
0
0
0
0
0
0
0
0
1
2
29

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
7
9

Fog (%)

93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

Precipitation Type

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

Precipitation Probability (%)

48
67
61
43
3
6
6
0
1
2
2
3
3
0
2
5
9
24
36
51
65
74
89
95

Precipitation Amount (mm)

0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.8

Wind Speed/Direction (mph)

17
17
19
17
14
13
13
11
12
12
11
10
9
8
8
8
8
6
7
11
10
10
9
9

Chance of Frost

Temperature (°C)

20
18
17
16
14
13
13
12
12
12
11
11
11
10
10
10
10
10
11
11
11
11
12
12

Feels Like (°C)

16
14
12
11
9
8
7
9
7
7
7
7
7
7
5
7
7
7
7
4
6
6
8
8

Dew Point (°C)

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

Relative Humidity (%)

50
70
83
80
74
74
72
75
80
81
81
77
76
78
73
76
78
81
83
83
87
84
87
87

Pressure (mb)

1006
1006
1006
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1012
1013
1014
1014
1015

Ozone (du)

267
270
273
277
280
280
282
285
289
292
293
293
294
295
296
297
298
303
306
310
313
314
314
313

Sunday 21

New Moon 1%

07:30

18:52

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
12 Bad
13 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: 20:17 - 05:39. Astro Dark: 20:59 - 04:58

Total Clouds (% Sky Obscured)

93
100
100
100
100
99
99
93
85
81
74
70
77
70
75
76
74
78
86
91
87
79
76
74

Low Clouds (% Sky Obscured)

90
98
97
99
100
85
77
72
71
71
71
66
59
49
56
58
63
68
78
83
78
72
67
61

Medium Clouds (% Sky Obscured)

86
91
93
100
100
92
96
84
51
46
37
29
22
15
10
10
6
4
4
3
4
4
5
8

High Clouds (% Sky Obscured)

56
84
87
91
91
64
32
1
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

Precipitation Type

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

Precipitation Probability (%)

95
95
95
78
55
65
64
58
56
44
26
30
14
1
1
1
0
1
1
0
0
0
0
0

Precipitation Amount (mm)

1.1
1
0.6
0.3
0
0.2
0.2
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
6
6
5
5
4
4
4
4
4
5
5
5
5
5
5
5
5
5
6
7
7
8

Dew Point (°C)

9
7
6
5
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
4
4
3

Relative Humidity (%)

84
77
74
68
67
68
72
74
74
77
79
81
81
82
85
85
85
85
77
71
64
58
52
46

Pressure (mb)

1016
1016
1017
1018
1019
1019
1020
1021
1022
1022
1023
1023
1023
1023
1024
1024
1025
1025
1026
1026
1027
1027
1027
1027

Ozone (du)

312
311
310
310
311
312
312
312
313
314
315
318
319
319
319
318
317
316
316
316
316
315
314
313

Monday 22

Waxing Crescent 3%

08:43

19:01

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

Sun - Rise: 06:54, Set: 19:02, Transit: 12:57. Moon - Rise: 08:43, Set: 19:01. Civil Dark: 19:35 - 06:20. Nautical Dark: 20:15 - 05:41. Astro Dark: 20:56 - 05:00

Total Clouds (% Sky Obscured)

69
65
56
48
41
43
46
49
45
36
27
38
58
79
79
76
72
64
56
44
44
49
54
69

Low Clouds (% Sky Obscured)

56
48
42
34
31
35
39
42
39
36
27
38
52
58
53
52
49
47
42
37
43
49
54
53

Medium Clouds (% Sky Obscured)

11
15
11
7
2
1
1
1
1
1
1
2
3
4
3
2
0
0
0
0
0
0
0
8

High Clouds (% Sky Obscured)

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

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 (%)

93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

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
1
2
1
0
0
1
2
1
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
13
13
8
9
9
8
7
7
6
6
6
6
5
4
6
6
7
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

44
42
39
44
50
57
60
66
71
75
79
84
87
90
91
91
90
88
80
73
67
63
58
53

Pressure (mb)

1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025

Ozone (du)

313
312
312
311
311
310
309
308
307
307
306
305
305
305
305
304
303
302
303
303
303
303
303
303

Tuesday 23

Waxing Crescent 3%

09:56

19:12

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 OK
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:55, Set: 19:00, Transit: 12:56. Moon - Rise: 09:56, Set: 19:12. Civil Dark: 19:33 - 06:22. Nautical Dark: 20:13 - 05:43. Astro Dark: 20:53 - 05:02

Total Clouds (% Sky Obscured)

85
100
100
98
96
97
97
94
87
79
68
64
47
27
45
68
86

Low Clouds (% Sky Obscured)

53
52
55
58
62
69
76
81
80
69
64
59
47
27
45
68
84

Medium Clouds (% Sky Obscured)

18
32
24
24
25
15
10
5
3
3
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

34
63
69
67
62
47
33
20
17
9
2
1
1
1
2
3
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

Precipitation Type

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

Precipitation Probability (%)

4
3
28
39
38
44
45
53
50
44
18
36
30
3
3
4
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
14
12
11
9
9
9
8
8
8
8
7
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
12
12
12
12
8
9
9
9
8
9
8
8
8
8
7

Dew Point (°C)

7
7
7
7
6
6
6
5
5
5
5
6
6
6
7
7
7

Relative Humidity (%)

54
55
57
60
63
67
69
72
74
78
79
84
84
85
88
84
81

Pressure (mb)

1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

303
302
302
302
302
302
302
303
303
302
301
300
301
301
301
301
301

Forecast for Culham, Oxfordshire, United Kingdom (51.66,-1.27)

Generated: 17/09/25 14:34:51. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+1.00