Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 25

Waxing Gibbous 82%

17:54

02:11

13 OK
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

Sun - Rise: 07:00, Set: 18:58, Transit: 12:58. Moon - Rise: 17:54, Set: 02:11. Civil Dark: 19:32 - 06:26. Nautical Dark: 20:11 - 05:47. Astro Dark: 20:51 - 05:07

Total Clouds (% Sky Obscured)

40
47
56
72
100
100
100
99
100
100
100
96
97
83
74
100
96
95
93
94
74
69
45
47

Low Clouds (% Sky Obscured)

37
32
31
29
22
20
10
22
25
31
28
30
38
36
34
38
45
49
78
90
68
55
43
44

Medium Clouds (% Sky Obscured)

0
0
46
18
6
91
85
88
92
92
93
89
78
67
10
42
88
66
57
68
45
39
0
0

High Clouds (% Sky Obscured)

44
34
74
59
100
100
99
98
100
100
100
0
49
60
59
99
39
40
0
0
4
0
0
6

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
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
25
24
55
44
20
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

12
12
11
11
10
8
8
7
7
6
6
6
6
6
6
6
6
7
7
9
11
15
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
59
57
58
65
73
79
86
87
92
93
95
95
93
95
93
95
92
92
90
87
75
69
62

Pressure (mb)

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

Ozone (du)

278
277
277
276
276
276
279
280
279
278
278
278
278
277
278
278
279
281
282
282
284
288
290
292

Tuesday 26

Waxing Gibbous 91%

18:17

03:45

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
12 Bad

Sun - Rise: 07:01, Set: 18:56, Transit: 12:58. Moon - Rise: 18:17, Set: 03:45. Civil Dark: 19:29 - 06:28. Nautical Dark: 20:08 - 05:49. Astro Dark: 20:49 - 05:09

Total Clouds (% Sky Obscured)

74
98
100
100
100
81
97
62
40
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
48
57
41
47
45
50
36
9
3
4
0
0
0
0
4
4
0
10
41
78
51
60
71

Medium Clouds (% Sky Obscured)

27
70
67
97
100
59
78
26
18
2
45
100
94
73
100
93
83
91
99
84
96
100
100
100

High Clouds (% Sky Obscured)

67
97
100
92
100
29
36
35
35
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
4
7
4
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
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
Light Rain

Precipitation Probability (%)

3
26
43
32
33
40
20
0
0
0
0
0
0
0
0
0
0
0
0
1
19
45
39
80

Precipitation Amount (mm)

0
0
0.2
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.4

Wind Speed/Direction (mph)

18
16
16
16
13
12
10
6
5
5
4
4
3
4
3
3
4
6
7
8
11
14
14
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
60
66
73
81
85
92
95
93
93
95
93
92
93
93
95
96
95
93
96
93
87
86
87

Pressure (mb)

1014
1014
1014
1014
1015
1015
1016
1017
1017
1017
1017
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1014
1013
1012

Ozone (du)

298
302
304
306
309
312
308
306
305
307
304
303
300
300
298
297
297
297
295
294
294
294
293
292

Wednesday 27

Waxing Gibbous 97%

18:34

05:18

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
12 Bad

Sun - Rise: 07:03, Set: 18:54, Transit: 12:57. Moon - Rise: 18:34, Set: 05:18. Civil Dark: 19:27 - 06:30. Nautical Dark: 20:06 - 05:51. Astro Dark: 20:46 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
100
98
78
43
46
73
83
70
75
73
81
86
78
80
96
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

52
49
75
96
88
65
53
48
60
86
70
77
77
74
76
79
79
65
41
26
20
20
21
24

Medium Clouds (% Sky Obscured)

100
100
100
100
54
16
0
0
35
64
0
0
0
0
0
0
0
0
15
39
48
55
61
97

High Clouds (% Sky Obscured)

100
100
55
0
0
0
0
0
0
0
0
3
19
30
34
37
39
86
92
96
100
100
100
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

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
86
45
38
33
5
2
1
0
3
5
1
3
2
10
0
1
1
2
1
4
2
0

Precipitation Amount (mm)

0.6
0.9
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)

18
19
20
22
25
25
25
25
23
23
22
23
22
19
17
15
14
12
10
10
11
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
75
65
72
78
82
81
80
80
76
78
78
75
78
83
84
84
86
92
92
84
76
64
62

Pressure (mb)

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

Ozone (du)

292
293
295
300
308
306
303
303
300
298
295
294
291
288
287
285
284
283
282
282
282
282
280
278

Thursday 28

Waxing Gibbous 100%

18:48

06:48

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 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK

Sun - Rise: 07:05, Set: 18:52, Transit: 12:57. Moon - Rise: 18:48, Set: 06:48. Civil Dark: 19:25 - 06:31. Nautical Dark: 20:04 - 05:52. Astro Dark: 20:44 - 05:12

Total Clouds (% Sky Obscured)

100
100
100
97
99
100
100
100
100
62
65
77
81
96
95
55
38
25
45
52
92
64
55
35

Low Clouds (% Sky Obscured)

33
51
75
59
44
31
56
77
98
76
74
76
75
90
90
50
35
23
28
24
25
26
34
29

Medium Clouds (% Sky Obscured)

95
100
82
71
72
68
67
60
60
51
39
29
25
17
11
8
4
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
98
75
75
70
65
60
55
55
55
60
46
25
12
3
3
2
27
47
90
53
27
2

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

Precipitation Probability (%)

0
1
5
16
24
33
51
75
88
86
78
54
41
28
14
14
9
3
3
1
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.5
0.7
0.6
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
14
16
15
14
16
20
20
21
19
18
17
16
17
17
13
11
10
10
11
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
60
68
71
76
76
76
78
83
82
73
83
83
92
77
83
89
95
96
95
84
78
68
60

Pressure (mb)

1015
1014
1014
1013
1012
1012
1011
1010
1010
1009
1010
1010
1010
1011
1011
1012
1014
1015
1017
1018
1019
1020
1021
1022

Ozone (du)

276
275
275
276
276
276
275
276
276
276
276
276
277
279
278
277
277
277
277
278
280
282
283
284

Friday 29

Full Moon 100%

19:01

08:17

13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 OK
20 OK
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
12 Bad

Sun - Rise: 07:06, Set: 18:49, Transit: 12:57. Moon - Rise: 19:01, Set: 08:17. Civil Dark: 19:22 - 06:33. Nautical Dark: 20:01 - 05:54. Astro Dark: 20:41 - 05:14

Total Clouds (% Sky Obscured)

60
57
53
46
38
35
40
45
53
54
49
25
45
66
86
91
95
100
98
95
93
87
82
74

Low Clouds (% Sky Obscured)

27
24
20
13
7
0
5
10
14
16
17
18
23
29
32
33
31
32
30
28
30
27
27
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
20
48
26
3
11
17
24
36
47
57
53
49
42
41
43
42

High Clouds (% Sky Obscured)

40
40
40
30
35
45
45
45
50
50
36
7
23
40
57
70
84
98
91
85
81
68
55
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
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
1
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
14
13
13
10
8
6
5
5
4
3
3
3
3
2
2
2
2
2
3
4
5
6
7

Chance of Frost

Temperature (°C)

16
16
17
17
16
15
13
13
12
11
11
11
10
10
10
9
9
9
9
11
12
13
14
15

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
9
10
10
10
10
9
9
9
9
8
8
8
8
8
8
8
8
8
9
9

Relative Humidity (%)

57
57
56
58
65
71
80
83
86
87
90
90
90
90
90
88
88
88
88
84
79
75
71
68

Pressure (mb)

1022
1022
1023
1023
1023
1024
1025
1025
1026
1026
1026
1027
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1026

Ozone (du)

284
283
284
283
283
283
284
283
282
284
286
288
289
288
287
286
287
288
290
290
290
290
291
292

Saturday 30

Waning Gibbous 96%

19:15

09:46

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
12 Bad

Sun - Rise: 07:08, Set: 18:47, Transit: 12:56. Moon - Rise: 19:15, Set: 09:46. Civil Dark: 19:20 - 06:35. Nautical Dark: 19:59 - 05:56. Astro Dark: 20:39 - 05:16

Total Clouds (% Sky Obscured)

83
90
95
97
98
100
95
88
75
74
71
70
66
56
49
56
59
71
74
71
72
75
76
79

Low Clouds (% Sky Obscured)

27
25
23
38
53
64
64
72
78
71
66
60
45
31
18
22
25
28
26
26
27
30
30
29

Medium Clouds (% Sky Obscured)

49
57
64
67
67
69
62
52
41
37
40
39
32
25
20
15
12
7
6
4
3
3
3
3

High Clouds (% Sky Obscured)

52
62
71
81
90
99
83
63
45
42
34
32
39
42
50
45
45
45
45
45
50
45
50
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 (%)

0
0
0
0
4
7
6
6
0
0
0
0
0
1
0
1
1
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)

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

Chance of Frost

Temperature (°C)

16
17
17
17
16
15
14
14
14
14
14
14
14
14
14
14
14
14
14
15
16
17
19
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
65
63
62
67
74
79
78
75
72
72
74
72
75
78
80
83
86
89
86
83
81
77
72

Pressure (mb)

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

Ozone (du)

293
294
295
295
296
297
297
297
297
297
297
297
296
296
295
294
294
294
293
294
294
295
295
295

Sunday 1

Waning Gibbous 91%

19:30

11:14

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: 07:09, Set: 18:45, Transit: 12:56. Moon - Rise: 19:30, Set: 11:14. Civil Dark: 19:18 - 06:36. Nautical Dark: 19:57 - 05:57. Astro Dark: 20:36 - 05:18

Total Clouds (% Sky Obscured)

79
80
82
75
69
65
73
78
84
86
91
95
87
82
88
92
97
100

Low Clouds (% Sky Obscured)

31
29
26
25
24
26
33
40
47
52
55
60
53
46
43
64
80
93

Medium Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
13
20
30
23
13
0
18
37
40

High Clouds (% Sky Obscured)

50
50
55
48
42
32
45
58
71
77
80
81
70
61
59
68
74
85

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 (%)

0
0
0
0
0
0
0
2
1
3
4
1
1
1
0
2
6
8

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)

16
15
15
15
14
14
13
14
16
19
16
13
11
10
9
8
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
20
20
19
19
19
19
14
14
14
15
15
16
11
11
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

69
69
70
70
76
81
88
88
87
87
86
86
84
87
92
96
89
84

Pressure (mb)

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

Ozone (du)

295
295
295
295
296
296
296
296
296
297
298
300
302
302
302
302
303
305

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

Generated: 25/09/23 13:19:50. Forecast: 25/09/23 to 01/10/23. Timezone: UTC+1.00