Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 30

Waning Gibbous 76%

19:53

12:18

07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
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: 07:07, 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)

100
94
80
33
25
67
25
20
16
19
22
64
52
62
81
85
86
84
76
73
79
53
89
88

Low Clouds (% Sky Obscured)

84
81
23
27
13
21
14
16
12
13
16
16
12
42
76
81
85
67
50
40
31
31
31
31

Medium Clouds (% Sky Obscured)

25
46
44
13
4
55
8
0
1
0
0
58
32
25
78
68
66
68
53
39
49
27
68
65

High Clouds (% Sky Obscured)

22
0
0
2
3
2
2
0
0
0
0
3
0
18
41
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 (%)

31
24
6
0
0
0
0
0
0
2
1
1
1
1
9
15
15
12
7
1
1
1
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
12
12
13
14
15
15
15
15
15
14
12
9
8
8
7
8
8
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

18
18
18
18
19
20
20
20
20
20
19
18
16
15
15
15
15
14
14
13
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
86
82
71
61
54
53
45
46
49
54
59
67
75
79
74
75
79
84
93
93
93
95
93

Pressure (mb)

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

Ozone (du)

279
281
283
286
288
288
289
288
290
291
292
292
292
295
297
300
301
303
305
307
309
311
311
312

Thursday 1

Waning Gibbous 66%

20:36

13:42

07 Bad
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
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)

44
31
24
25
38
36
30
25
25
34
47
100
89
23
36
30
26
60
68
81
90
93
100
100

Low Clouds (% Sky Obscured)

27
24
19
18
14
18
15
21
19
18
30
48
56
11
1
0
0
8
13
11
14
13
20
17

Medium Clouds (% Sky Obscured)

11
0
0
0
21
20
11
0
0
5
0
27
24
3
3
3
3
3
3
3
11
56
35
25

High Clouds (% Sky Obscured)

0
0
0
0
3
0
0
0
3
9
20
55
55
7
34
30
26
60
61
74
80
84
98
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
80
71
61
55
49
46
43
44
48
58
62
71
79
83
83
84
85
85
85
86
86
87

Pressure (mb)

1018
1019
1020
1021
1022
1022
1022
1023
1023
1023
1024
1025
1025
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

313
316
318
318
316
315
314
314
310
307
306
305
304
305
305
305
305
305
306
304
304
303
303
303

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)

65
62
63
61
72
80
76
72
69
68
67
61
49
62
68
68
60
73
76
79
83
85
88
91

Low Clouds (% Sky Obscured)

17
19
12
17
44
77
76
72
69
68
27
26
22
23
22
25
25
32
32
34
33
34
31
33

Medium Clouds (% Sky Obscured)

21
26
23
12
0
0
0
0
4
1
7
8
7
3
14
12
2
1
6
11
14
15
14
15

High Clouds (% Sky Obscured)

59
41
49
57
45
25
2
3
3
41
31
21
18
30
26
26
27
53
55
55
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
1
2
0
1
1
1
0
0
0
0
0
0
0
0
1
2
1
3
5
2

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
7
9
11
13
14
14
13
14
13
13
11
9
8
8
8
8
8
7
7
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
9
9
9
10
10
10
10
10
11
11
11
11
11
11
11
11
10
10
10
10

Relative Humidity (%)

88
89
79
70
63
58
55
59
57
58
59
64
74
80
84
87
87
89
89
89
86
83
84
83

Pressure (mb)

1028
1028
1029
1029
1029
1028
1028
1028
1028
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

302
303
303
303
303
302
302
301
300
300
300
300
300
301
302
302
301
300
299
299
299
300
299
299

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 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 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)

93
95
97
96
77
53
63
98
98
98
92
50
50
50
53
46
34
27
22
53
62
62
66
65

Low Clouds (% Sky Obscured)

31
32
32
35
38
40
38
31
27
32
38
39
31
28
21
19
20
18
14
12
7
6
7
6

Medium Clouds (% Sky Obscured)

19
20
15
18
21
24
23
22
22
27
33
35
35
35
35
20
10
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

51
56
56
59
43
18
23
60
55
70
77
50
50
42
35
23
10
2
2
38
55
60
60
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
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
9
2
5
14
26
36
43
44
57
59
68
63
67
92
55
35
10
3
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0.3
0.2
0.2
0.6
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
15
16
16
16
17
17
18
18
17
16
15
14
14
13
13
12
12
11
11
10
10
9

Feels Like (°C)

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

Dew Point (°C)

10
10
9
8
6
4
4
3
4
4
5
6
7
8
9
10
10
10
9
9
9
8
8
7

Relative Humidity (%)

83
79
70
60
52
44
41
39
39
40
43
52
58
63
72
79
83
84
86
87
87
87
87
87

Pressure (mb)

1028
1028
1028
1029
1029
1028
1028
1028
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1028

Ozone (du)

299
300
301
301
301
301
301
300
300
301
304
305
303
302
303
302
301
300
300
300
299
298
298
297

Sunday 4

Waning Crescent 42%

00:19

16:20

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

Sun - Rise: 07:13, Set: 18:37, Transit: 12:55. Moon - Rise: 00:19, Set: 16:20. Civil Dark: 19:10 - 06:42. Nautical Dark: 19:49 - 06:03. Astro Dark: 20:29 - 05:24

Total Clouds (% Sky Obscured)

26
66
75
76
67
62
57
44
42
42
33
39
26
19
12
21
31
38
42
46
55
57
59
66

Low Clouds (% Sky Obscured)

4
2
0
2
4
7
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
6

Medium Clouds (% Sky Obscured)

0
1
3
3
7
11
52
32
42
32
4
3
4
4
4
5
5
6
20
34
48
40
28
17

High Clouds (% Sky Obscured)

21
63
75
76
67
60
46
43
34
42
31
38
23
15
6
17
28
38
42
46
55
53
47
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
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)

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

Chance of Frost

Temperature (°C)

9
10
11
13
14
15
17
17
18
18
17
16
14
13
12
12
11
11
11
11
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
81
70
61
55
50
45
43
42
43
48
58
68
71
75
77
79
81
83
84
84
84
85
87

Pressure (mb)

1028
1028
1028
1028
1028
1028
1027
1027
1026
1026
1026
1026
1027
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027

Ozone (du)

297
297
296
296
295
294
294
295
295
294
294
295
294
292
290
288
285
283
280
279
277
276
275
273

Monday 5

Waning Crescent 31%

01:47

16:45

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

Sun - Rise: 07:15, Set: 18:35, Transit: 12:55. Moon - Rise: 01:47, Set: 16:45. Civil Dark: 19:08 - 06:43. Nautical Dark: 19:47 - 06:05. Astro Dark: 20:26 - 05:25

Total Clouds (% Sky Obscured)

57
41
24
27
31
35
31
27
24
36
46
57
41
25
8
12
15
16
19
26
30
30
35
35

Low Clouds (% Sky Obscured)

4
3
2
8
15
21
17
12
8
9
8
8
4
2
0
9
15
16
19
26
30
30
35
35

Medium Clouds (% Sky Obscured)

12
8
4
3
3
2
2
2
3
3
4
4
5
6
7
11
15
16
19
26
30
30
35
35

High Clouds (% Sky Obscured)

29
23
17
17
16
14
11
8
5
17
29
42
29
15
2
2
3
4
16
26
30
30
35
35

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
1
1
1

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)

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

Chance of Frost

Temperature (°C)

9
11
13
14
16
17
18
19
19
19
18
16
14
13
12
11
11
12
12
12
12
12
12
12

Feels Like (°C)

9
8
9
10
11
12
13
18
18
17
17
17
18
10
11
11
10
10
9
10
9
9
10
11

Dew Point (°C)

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

Relative Humidity (%)

88
84
79
75
69
64
59
55
52
49
54
62
69
75
83
92
92
90
90
90
92
92
95
95

Pressure (mb)

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

Ozone (du)

271
271
271
272
271
270
269
269
269
268
267
266
265
265
266
266
267
267
268
268
268
268
268
269

Tuesday 6

Waning Crescent 20%

03:12

17:03

07 Bad
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 OK
20 Good
21 Good
22 Good
23 Good
00 Good

Sun - Rise: 07:16, Set: 18:33, Transit: 12:55. Moon - Rise: 03:12, Set: 17:03. Civil Dark: 19:06 - 06:45. Nautical Dark: 19:45 - 06:06. Astro Dark: 20:24 - 05:27

Total Clouds (% Sky Obscured)

40
40
40
43
50
58
59
61
63
54
46
37
25
13
1
6
11
17

Low Clouds (% Sky Obscured)

40
40
40
43
50
58
54
35
18
19
21
20
14
7
1
1
1
1

Medium Clouds (% Sky Obscured)

40
40
40
32
17
0
0
0
0
0
0
0
0
0
0
1
2
3

High Clouds (% Sky Obscured)

40
40
40
43
50
36
28
29
30
19
17
12
12
7
0
5
10
16

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 (%)

8
11
12
13
11
2
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
9
9
7
6
4
4
3
3
3
3
4
4
5
6
6
7

Relative Humidity (%)

98
92
86
81
69
58
49
46
44
41
45
50
56
61
69
77
80
85

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1022
1022
1023
1023
1024
1024
1024
1024

Ozone (du)

269
270
270
271
273
275
277
278
280
281
281
281
280
285
291
296
297
297

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

Generated: 30/09/26 07:29:04. Forecast: 30/09/26 to 06/10/26. Timezone: UTC+1.00