Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 6%

03:43

18:31

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:47, Set: 19:11, Transit: 12:58. Moon - Rise: 03:43, Set: 18:31. Civil Dark: 19:45 - 06:14. Nautical Dark: 20:25 - 05:34. Astro Dark: 21:07 - 04:52

Total Clouds (% Sky Obscured)

85
90
91
78
100
100
100
100
99
98
78
74
94
91
69
70
86
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
54
53
59
65
74
76
63
62
76
59
70
94
84
68
53
39
44
34
47
43
56
67
60

Medium Clouds (% Sky Obscured)

35
55
59
26
34
76
46
30
30
39
10
50
45
40
3
25
39
15
3
4
6
7
9
20

High Clouds (% Sky Obscured)

68
90
91
78
100
100
100
99
97
87
75
32
35
37
25
62
86
100
100
100
100
97
100
95

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
15
15
15
15
15
15
15
14
14
14
14
15
16
18
19
20
20
20
19
20
19
18

Dew Point (°C)

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

Relative Humidity (%)

80
86
92
93
92
95
93
95
95
96
96
96
96
92
82
73
68
61
52
45
41
42
47
54

Pressure (mb)

1018
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1015
1015
1015
1015

Ozone (du)

259
260
260
258
258
258
257
258
258
258
259
259
258
256
257
257
257
257
255
255
258
260
262
263

Friday 19

Waning Crescent 2%

05:01

18:42

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:49, Set: 19:09, Transit: 12:58. Moon - Rise: 05:01, Set: 18:42. Civil Dark: 19:43 - 06:15. Nautical Dark: 20:22 - 05:36. Astro Dark: 21:04 - 04:54

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
95
77
97
100
100
94
100
100
99
99
100
100
100
100
74
64

Low Clouds (% Sky Obscured)

64
55
33
0
23
32
42
38
42
50
66
64
57
56
45
59
71
56
54
41
46
73
54
64

Medium Clouds (% Sky Obscured)

8
0
0
0
0
2
2
2
33
63
93
64
46
27
39
64
47
56
39
100
87
81
17
0

High Clouds (% Sky Obscured)

100
100
100
99
61
64
100
100
94
68
79
100
100
86
100
100
91
88
100
95
98
71
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
10
20
20
8
12
43
14
19
36
24

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)

8
7
6
6
5
5
4
4
4
4
5
5
5
5
8
9
12
14
15
16
17
19
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
71
72
72
70
73
73
74
71
70
72
74
79
83
78
72
66
62
58
58
72
69
72
77

Pressure (mb)

1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010
1010
1009
1009
1008
1007
1006
1006
1005
1005
1005

Ozone (du)

265
267
266
266
265
265
265
265
265
265
266
266
265
266
264
263
264
263
264
266
269
271
276
281

Saturday 20

Waning Crescent 0%

06:17

18:52

19 Bad
20 OK
21 Bad
22 Bad
23 OK
00 Bad
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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:50, Set: 19:07, Transit: 12:57. Moon - Rise: 06:17, Set: 18:52. Civil Dark: 19:40 - 06:17. Nautical Dark: 20:20 - 05:37. Astro Dark: 21:01 - 04:56

Total Clouds (% Sky Obscured)

56
28
50
49
40
45
48
50
52
51
71
62
48
74
84
90
85
79
87
93
98
96
95
93

Low Clouds (% Sky Obscured)

56
28
50
49
39
45
48
50
52
51
71
62
46
64
76
83
66
69
77
85
93
88
83
78

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
2
2
1
1
1
6
5
15
25
20
27
31
32
35
44
47

High Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
11
10
10
8
8
8
9
9
10
10
10
9
9
8
6
5
5
5
5
5
4
4
3

Relative Humidity (%)

80
83
84
86
80
80
85
90
91
93
95
95
95
91
80
66
59
57
55
55
57
56
54
51

Pressure (mb)

1006
1007
1008
1008
1009
1009
1009
1008
1008
1009
1009
1009
1010
1011
1012
1013
1014
1014
1015
1015
1015
1016
1016
1017

Ozone (du)

283
286
287
289
293
296
298
298
297
297
299
299
300
301
301
304
306
306
306
306
306
307
309
310

Sunday 21

New Moon 1%

07:30

19:01

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
14 Bad
15 Bad
16 OK
17 OK
18 Good

Sun - Rise: 06:52, Set: 19:04, Transit: 12:57. Moon - Rise: 07:30, Set: 19:01. Civil Dark: 19:38 - 06:19. Nautical Dark: 20:17 - 05:39. Astro Dark: 20:59 - 04:58

Total Clouds (% Sky Obscured)

93
92
91
78
94
96
97
68
74
72
53
48
49
45
44
48
49
49
45
43
44
39
23
15

Low Clouds (% Sky Obscured)

57
38
14
14
24
34
42
50
55
50
47
42
36
33
31
34
34
40
44
43
44
39
23
14

Medium Clouds (% Sky Obscured)

48
51
73
58
51
46
43
43
40
34
29
28
32
28
23
17
9
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
1
8
16
28
22
7
0
2
0
0
0
0
0
0
0
1
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 (%)

7
8
7
6
6
2
2
1
0
0
0
0
0
0
0
0
0
0
1
1
1
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
12
10
10
10
12
11
11
11
11
11
11
11
11
13
13
13
13
13
13
12
11
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
64
65
68
72
65
66
70
74
74
77
77
79
78
68
59
53
47
45
45
46
48
49
50

Pressure (mb)

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

Ozone (du)

312
314
314
315
314
314
313
314
316
316
318
317
317
318
317
316
314
313
312
311
311
311
309
307

Monday 22

Waxing Crescent 3%

08:43

19:01

19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 OK
03 OK
04 OK
05 OK
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

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)

11
5
1
4
6
10
16
22
26
35
44
53
82
85
84
91
93
96
97
99
100
99
99
98

Low Clouds (% Sky Obscured)

11
5
0
3
6
8
14
21
26
35
44
53
38
46
54
55
56
57
64
71
78
80
82
84

Medium Clouds (% Sky Obscured)

0
0
0
3
4
3
2
2
2
2
2
2
20
17
18
17
16
19
28
37
42
35
33
32

High Clouds (% Sky Obscured)

1
1
1
1
0
1
0
0
1
1
1
3
51
51
60
47
26
5
28
52
75
52
40
27

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
3
5
5
12
12
9
29
37
40
41
41
41

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
3
2
1
2
2
2
3
2
3
3
4
4
4
4
4
3
2
2
2
2
3
3

Relative Humidity (%)

58
65
66
65
63
66
71
74
76
78
81
82
88
79
72
65
58
53
48
49
50
51
53
56

Pressure (mb)

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

Ozone (du)

306
304
304
303
302
302
302
302
301
300
300
300
300
300
301
301
301
302
302
302
302
302
302
302

Tuesday 23

Waxing Crescent 7%

09:56

19:12

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:55, Set: 18:57, 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)

99
99
100
100
100
95
88
78
77
82
94
99
96
94
94
97
98
99
98
97
96
92
82
78

Low Clouds (% Sky Obscured)

84
84
78
77
74
65
55
40
30
38
52
65
70
75
80
86
87
84
75
66
57
57
58
56

Medium Clouds (% Sky Obscured)

23
15
10
10
15
20
25
35
50
30
30
30
22
12
13
16
13
25
24
28
27
23
23
14

High Clouds (% Sky Obscured)

43
56
75
85
90
95
88
78
77
67
37
11
34
49
64
51
37
25
46
64
78
73
67
46

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

Precipitation Probability (%)

42
44
45
56
66
75
75
77
79
75
72
69
61
48
33
32
29
18
24
27
31
30
25
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
66
74
82
85
88
91
91
90
88
85
82
79
74
68
63
57
50
46
46
46
45
49
53

Pressure (mb)

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

Ozone (du)

301
302
302
303
304
305
306
307
308
308
310
311
312
312
312
312
312
311
311
310
310
309
310
310

Wednesday 24

Waxing Crescent 13%

11:09

19:24

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

Sun - Rise: 06:57, Set: 18:55, Transit: 12:56. Moon - Rise: 11:09, Set: 19:24. Civil Dark: 19:31 - 06:24. Nautical Dark: 20:10 - 05:44. Astro Dark: 20:51 - 05:04

Total Clouds (% Sky Obscured)

82
86
85
87
89
91
88
90
100
100
100
100
100
100
100
96
93
90

Low Clouds (% Sky Obscured)

65
75
76
76
80
77
81
86
92
93
95
98
99
100
100
88
78
66

Medium Clouds (% Sky Obscured)

14
9
14
14
25
30
35
35
35
35
30
20
14
14
18
18
17
21

High Clouds (% Sky Obscured)

45
48
47
59
66
82
88
90
93
97
97
94
71
47
27
23
24
37

ISS Passover

Visibility (miles)

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

Precipitation Type

None
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

Precipitation Probability (%)

26
26
20
21
22
22
31
35
39
48
55
63
61
60
57
52
41
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
8
8
9
8
8
7
8
9
8
9
9
8
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

59
64
69
77
76
74
73
74
76
78
79
80
81
77
76
75
63
56

Pressure (mb)

1024
1025
1025
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

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

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

Generated: 18/09/25 19:54:16. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00