Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 27

Waning Gibbous 98%

18:47

07:59

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
06 Bad

Sun - Rise: 07:02, Set: 18:53, Transit: 12:57. Moon - Rise: 18:47, Set: 07:59. Civil Dark: 19:26 - 06:30. Nautical Dark: 20:05 - 05:51. Astro Dark: 20:46 - 05:11

Total Clouds (% Sky Obscured)

60
65
75
93
93
99
99
100
100
99
84
100
100
100
94
98
95
76
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
53
74
84
78
75
86
94
78
90
77
15
18
17
15
26
34
17
11
14
20
25
40
40

Medium Clouds (% Sky Obscured)

60
28
43
33
64
75
38
40
93
77
72
40
94
85
73
73
53
25
41
95
42
100
99
100

High Clouds (% Sky Obscured)

50
54
30
41
12
53
94
100
100
90
63
97
100
99
76
95
88
64
96
92
100
100
97
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
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
51

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
0
22
20
2
3
8
24
13
31
31
8
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)

7
8
12
15
17
19
19
19
19
17
17
14
10
9
8
7
5
4
3
2
1
1
1
1

Chance of Frost

Temperature (°C)

12
14
15
17
19
20
20
19
19
18
19
17
15
14
14
13
13
13
12
11
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
87
79
71
61
57
57
68
81
81
81
86
92
95
96
96
95
92
90
90
90
88
90

Pressure (mb)

1015
1014
1013
1013
1012
1012
1011
1011
1011
1010
1010
1011
1012
1014
1014
1015
1016
1017
1017
1017
1018
1018
1018
1019

Ozone (du)

292
292
293
294
294
295
294
293
292
293
294
294
293
293
293
293
293
296
297
298
298
297
298
300

Monday 28

Waning Gibbous 93%

19:03

09:23

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
06 Bad

Sun - Rise: 07:03, Set: 18:51, Transit: 12:57. Moon - Rise: 19:03, Set: 09:23. Civil Dark: 19:24 - 06:32. Nautical Dark: 20:03 - 05:53. Astro Dark: 20:43 - 05:13

Total Clouds (% Sky Obscured)

100
100
98
100
100
100
100
100
100
100
94
100
100
100
100
100
100
75
97
97
100
91
98
100

Low Clouds (% Sky Obscured)

30
21
0
0
2
9
0
9
9
9
11
19
25
18
36
43
41
46
73
91
92
77
85
93

Medium Clouds (% Sky Obscured)

100
87
70
79
100
97
85
56
95
97
82
100
100
100
94
100
45
55
82
40
34
30
30
30

High Clouds (% Sky Obscured)

100
100
95
100
100
100
100
100
100
100
88
100
100
100
100
100
100
40
49
46
50
52
67
51

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
0

Fog (%)

51
41
3
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
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
1
2
7
4
1
2
3
1
2
15
36
77
90
80
52
33
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.8
0.5
0
0
0

Wind Speed/Direction (mph)

2
3
3
4
6
7
7
8
8
7
8
8
7
7
8
7
8
9
9
10
9
10
11
11

Chance of Frost

Temperature (°C)

10
10
11
14
15
16
16
17
17
17
17
16
14
14
13
13
13
13
13
13
13
14
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
79
71
65
57
51
47
46
47
52
62
73
86
90
93
95
98
98
98
95
93
96
98

Pressure (mb)

1019
1019
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014

Ozone (du)

300
299
302
303
304
305
306
305
305
307
305
307
308
310
311
312
315
319
320
313
308
306
305
304

Tuesday 29

Waning Gibbous 86%

19:24

10:50

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
06 Bad

Sun - Rise: 07:05, Set: 18:49, Transit: 12:57. Moon - Rise: 19:24, Set: 10:50. Civil Dark: 19:22 - 06:33. Nautical Dark: 20:01 - 05:55. Astro Dark: 20:41 - 05:15

Total Clouds (% Sky Obscured)

100
100
97
81
77
63
77
86
79
92
80
80
92
85
96
100
98
96
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

91
92
96
81
77
60
77
66
56
40
23
29
37
31
28
8
16
24
29
75
80
79
79
77

Medium Clouds (% Sky Obscured)

25
15
14
0
0
0
0
0
3
44
10
4
13
66
76
68
92
79
86
93
100
88
80
70

High Clouds (% Sky Obscured)

59
55
12
0
0
0
0
41
57
79
56
60
60
60
89
100
94
92
94
97
100
100
100
50

ISS Passover

Visibility (miles)

0
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
8
3
2

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

18
39
48
29
8
5
3
1
1
1
4
24
29
31
7
9
7
18
36
72
80
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
0.9
0.7

Wind Speed/Direction (mph)

10
10
11
12
13
13
15
17
16
15
15
14
14
16
16
17
18
19
18
16
17
16
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
92
86
83
75
65
65
67
66
69
77
84
82
82
81
75
69
75
81
92
93
95
93

Pressure (mb)

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

Ozone (du)

302
302
302
301
302
302
301
299
297
294
292
290
290
287
286
285
282
281
280
280
280
281
281
283

Wednesday 30

Waning Gibbous 76%

19:53

12:18

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

Sun - Rise: 07:07, Set: 18:46, Transit: 12:56. Moon - Rise: 19:53, Set: 12:18. Civil Dark: 19:19 - 06:35. Nautical Dark: 19:58 - 05:56. Astro Dark: 20:38 - 05:16

Total Clouds (% Sky Obscured)

92
86
75
79
65
86
82
73
32
38
34
35
63
83
82
74
64
64
70
59
68
30
21
19

Low Clouds (% Sky Obscured)

79
79
70
74
62
82
76
36
30
32
30
26
24
25
22
23
29
31
29
56
28
23
21
19

Medium Clouds (% Sky Obscured)

68
70
4
0
4
75
55
60
5
6
4
6
4
17
64
60
43
38
50
3
48
4
0
0

High Clouds (% Sky Obscured)

33
15
0
0
0
0
0
0
0
0
0
0
22
40
40
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
1
7
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

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
81
27
6
9
12
17
12
12
5
2
3
3
1
3
11
28
34
6
1
1
1
0

Precipitation Amount (mm)

1.7
2.2
0.4
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
13
12
15
17
16
18
18
18
17
16
14
13
12
11
11
11
10
10
10
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
17
16
16
16
15
15
16
14
14
13
12
12
11
11
12
11
11
11
10
11
10

Dew Point (°C)

17
17
16
16
15
13
15
13
11
10
10
11
11
13
12
12
12
12
12
12
12
11
10
10

Relative Humidity (%)

95
96
93
88
80
69
76
71
58
57
61
67
77
86
89
89
89
90
90
93
95
93
90
90

Pressure (mb)

1006
1007
1008
1008
1009
1010
1010
1010
1010
1011
1011
1012
1013
1013
1014
1014
1015
1015
1015
1016
1016
1017
1017
1018

Ozone (du)

283
284
286
288
291
292
293
295
296
298
300
300
302
305
307
309
310
311
314
314
313
313
314
313

Thursday 1

Waning Gibbous 66%

20:36

13:42

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

Sun - Rise: 07:08, Set: 18:44, Transit: 12:56. Moon - Rise: 20:36, Set: 13:42. Civil Dark: 19:17 - 06:37. Nautical Dark: 19:56 - 05:58. Astro Dark: 20:36 - 05:18

Total Clouds (% Sky Obscured)

17
13
12
41
79
93
87
78
71
79
90
63
20
23
23
38
51
65
77
88
100
100
100
100

Low Clouds (% Sky Obscured)

17
13
12
18
23
29
30
36
38
19
16
14
11
9
10
11
10
11
9
13
13
15
17
21

Medium Clouds (% Sky Obscured)

0
0
0
4
9
16
65
71
67
66
70
4
4
4
4
14
25
35
45
56
66
48
29
10

High Clouds (% Sky Obscured)

0
0
0
22
57
60
45
45
40
60
78
60
0
0
0
7
15
24
48
72
97
98
99
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
0
0
0
1
0
3
5
3
4
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
80
73
61
57
53
52
54
56
61
65
76
82
86
92
90
90
89
87
86
84
89
90

Pressure (mb)

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

Ozone (du)

312
311
310
308
306
306
303
302
302
303
305
312
312
312
313
313
313
313
313
313
312
312
312
311

Friday 2

Waning Gibbous 54%

21:37

14:52

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
06 Bad

Sun - Rise: 07:10, Set: 18:42, Transit: 12:56. Moon - Rise: 21:37, Set: 14:52. Civil Dark: 19:15 - 06:38. Nautical Dark: 19:54 - 06:00. Astro Dark: 20:33 - 05:20

Total Clouds (% Sky Obscured)

94
87
81
77
73
68
77
88
100
92
85
79
77
73
74
81
87
91
83
71
61
63
63
65

Low Clouds (% Sky Obscured)

17
17
19
26
31
39
56
73
91
80
72
63
46
28
10
12
13
14
15
15
22
20
18
20

Medium Clouds (% Sky Obscured)

12
12
15
19
22
30
30
31
26
17
12
7
7
12
15
20
25
35
27
17
10
9
7
7

High Clouds (% Sky Obscured)

94
87
81
77
73
68
75
79
84
73
58
43
56
70
74
81
83
85
55
29
3
12
22
30

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
4
3
13
20
18
18
16
7
14
12
10
8
5
1
2
1
0
0
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
89
82
77
71
64
58
59
59
60
65
70
78
78
77
76
79
80
81
83
84
86
87
88

Pressure (mb)

1025
1025
1026
1026
1026
1027
1027
1027
1027
1026
1027
1027
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

311
310
310
309
308
306
305
304
304
303
302
302
301
301
301
301
301
301
300
299
298
297
297
297

Saturday 3

Third Quarter 51%

22:53

15:44

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

Sun - Rise: 07:12, Set: 18:39, Transit: 12:55. Moon - Rise: 22:53, Set: 15:44. Civil Dark: 19:13 - 06:40. Nautical Dark: 19:51 - 06:01. Astro Dark: 20:31 - 05:22

Total Clouds (% Sky Obscured)

70
76
82
86
89
92
89
86
83
86
88
92
92
93
94
95
95
96

Low Clouds (% Sky Obscured)

19
19
18
18
18
17
18
18
20
27
36
42
41
37
33
37
38
39

Medium Clouds (% Sky Obscured)

10
14
17
16
16
18
30
39
47
57
66
74
75
75
76
76
76
76

High Clouds (% Sky Obscured)

34
38
42
48
54
40
32
34
36
29
32
35
58
72
77
81
81
79

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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
2
1
2
2
0
3
3
2
3
3
2
6
8
4
7
11
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
11
12
12
13
17
16
16
16
16
17
12
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

88
83
77
71
65
59
53
52
51
49
55
64
71
75
76
79
80
82

Pressure (mb)

1029
1029
1029
1030
1030
1030
1029
1029
1029
1029
1029
1030
1030
1030
1030
1031
1031
1031

Ozone (du)

296
296
296
296
295
295
295
296
296
297
298
299
300
301
302
303
303
304

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 27/09/26 07:20:49. Forecast: 27/09/26 to 03/10/26. Timezone: UTC+1.00