Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waxing Crescent 36%

13:15

21:58

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:59, Set: 20:23, Transit: 13:10. Moon - Rise: 13:15, Set: 21:58. Civil Dark: 21:00 - 05:23. Nautical Dark: 21:47 - 04:36. Astro Dark: 22:42 - 03:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
97
98
97
100
100
100
100
100
100
100
100
100
100
99
80

Low Clouds (% Sky Obscured)

42
21
22
19
19
22
23
23
19
31
30
26
29
59
77
86
86
85
84
79
27
19
20
30

Medium Clouds (% Sky Obscured)

100
98
100
92
98
87
97
87
80
81
94
95
99
100
100
100
100
100
96
75
31
40
39
16

High Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
88
71
45
12
21
57
74
99
100
100
93
97
100
100
99
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
5
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
2
1
0
0
0
0
0
0
0
1
1
17
38
59
84
95
58
41
25
11
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.9
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
60
51
46
39
37
36
38
45
55
64
67
67
68
77
85
92
93
92
89
92
93
85
75

Pressure (mb)

1013
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1009
1009
1008

Ozone (du)

303
303
301
300
300
299
298
296
295
293
293
293
294
295
296
296
295
297
300
301
305
307
312
315

Wednesday 19

Waxing Crescent 46%

14:30

22:19

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

Sun - Rise: 06:01, Set: 20:21, Transit: 13:10. Moon - Rise: 14:30, Set: 22:19. Civil Dark: 20:58 - 05:24. Nautical Dark: 21:44 - 04:38. Astro Dark: 22:38 - 03:45

Total Clouds (% Sky Obscured)

60
51
74
76
81
85
67
62
17
2
3
0
10
27
45
57
82
81
83
84
86
56
44
49

Low Clouds (% Sky Obscured)

30
35
65
72
74
72
65
59
17
2
3
0
7
12
27
51
67
68
49
75
85
35
26
31

Medium Clouds (% Sky Obscured)

18
19
17
6
14
20
1
4
0
0
0
0
2
16
12
2
39
40
66
64
42
23
22
19

High Clouds (% Sky Obscured)

16
0
0
2
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
6
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
30
39
38
42
42
32
14
4
1
0
0
0
0
0
0
3
5
1
0
1
2
17
35

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

Chance of Frost

Temperature (°C)

18
19
20
20
21
21
20
20
20
18
17
15
15
14
14
13
13
13
13
13
13
13
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
57
50
50
46
43
40
41
46
52
61
70
79
86
92
93
95
95
95
96
96
92
82
67

Pressure (mb)

1008
1008
1007
1007
1006
1006
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

317
322
323
323
323
325
334
329
328
329
336
338
342
342
342
343
345
347
347
349
350
350
346
345

Thursday 20

First Quarter 56%

15:43

22:48

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

Sun - Rise: 06:03, Set: 20:19, Transit: 13:10. Moon - Rise: 15:43, Set: 22:48. Civil Dark: 20:55 - 05:26. Nautical Dark: 21:41 - 04:40. Astro Dark: 22:35 - 03:47

Total Clouds (% Sky Obscured)

58
66
66
78
77
88
84
76
48
72
50
44
47
68
80
82
88
91
75
88
100
100
100
100

Low Clouds (% Sky Obscured)

36
52
56
70
77
81
80
72
25
56
38
33
33
61
74
82
88
90
75
78
81
79
77
73

Medium Clouds (% Sky Obscured)

23
16
11
14
4
17
14
16
17
10
17
0
0
3
5
0
8
12
15
10
75
78
80
82

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
3
13
19
13
50
98
100
88
96

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 (%)

37
29
18
9
12
12
16
18
24
27
15
1
1
2
5
5
16
20
8
4
12
2
2
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)

13
13
14
14
15
15
14
13
13
10
8
7
7
8
7
8
8
9
8
8
7
7
9
10

Chance of Frost

Temperature (°C)

17
18
19
19
20
20
19
19
19
18
17
16
14
13
13
13
13
12
12
12
11
11
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
46
40
38
37
41
48
47
47
51
65
82
92
96
93
89
84
86
84
86
88
87
81
76

Pressure (mb)

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

Ozone (du)

345
346
345
345
344
342
340
339
339
338
338
337
337
335
334
334
336
336
336
338
339
340
342
342

Friday 21

Waxing Gibbous 66%

16:48

23:27

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 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:04, Set: 20:17, Transit: 13:10. Moon - Rise: 16:48, Set: 23:27. Civil Dark: 20:53 - 05:28. Nautical Dark: 21:39 - 04:43. Astro Dark: 22:32 - 03:50

Total Clouds (% Sky Obscured)

96
92
87
90
92
93
83
74
40
67
51
54
45
45
43
53
52
55
59
64
66
77
76
77

Low Clouds (% Sky Obscured)

68
65
59
52
52
49
57
62
28
55
25
24
24
26
29
27
25
25
22
21
23
24
12
8

Medium Clouds (% Sky Obscured)

82
83
70
70
25
23
19
15
10
17
20
25
20
20
15
15
14
13
15
16
20
26
28
30

High Clouds (% Sky Obscured)

65
42
22
27
33
38
25
14
2
0
0
0
9
18
26
39
43
52
50
46
41
46
50
60

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
2
1
2
2
2
9
13
18
22
19
1
6
7
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
9
9
8
9
9
9
10
8
7
7
7
8
7
7
7
7
7
7
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
10
11
10
9
8
6
4
4
6
9
9
9
9
9
9
9
9
9
8
8
7
6

Relative Humidity (%)

70
66
64
60
56
52
47
42
40
41
54
70
74
76
81
87
90
90
93
91
91
87
75
59

Pressure (mb)

1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1019
1019
1020
1020

Ozone (du)

343
343
341
340
339
339
340
339
339
340
341
342
345
347
349
350
351
351
349
350
350
350
349
349

Saturday 22

Waxing Gibbous 75%

17:43

00:18

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

Sun - Rise: 06:06, Set: 20:15, Transit: 13:09. Moon - Rise: 17:43, Set: 00:18. Civil Dark: 20:51 - 05:30. Nautical Dark: 21:36 - 04:45. Astro Dark: 22:29 - 03:53

Total Clouds (% Sky Obscured)

62
48
36
41
36
28
46
69
90
80
71
63
52
45
35
29
24
33
41
46
50
41
33
26

Low Clouds (% Sky Obscured)

10
9
18
41
36
28
46
69
90
79
71
61
52
45
35
29
24
33
41
46
50
41
28
8

Medium Clouds (% Sky Obscured)

23
18
8
4
2
0
4
8
14
19
19
19
13
8
5
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

47
22
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
40
36
34
34
37
37
39
41
43
44
47
48
49
51
55
60
64
70
73
76
80
67
56

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

349
348
348
348
348
348
348
348
348
347
347
348
348
348
348
348
348
348
348
348
348
348
348
348

Sunday 23

Waxing Gibbous 83%

18:25

01:21

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

Sun - Rise: 06:07, Set: 20:13, Transit: 13:09. Moon - Rise: 18:25, Set: 01:21. Civil Dark: 20:49 - 05:31. Nautical Dark: 21:34 - 04:47. Astro Dark: 22:25 - 03:55

Total Clouds (% Sky Obscured)

19
12
5
16
28
40
53
64
72
73
70
69
49
31
14
14
14
16
32
52
69
66
63
54

Low Clouds (% Sky Obscured)

7
6
4
16
28
40
53
58
62
63
62
60
42
25
7
6
4
2
16
30
41
50
62
54

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
9
22
35
27
20
10
7
3
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
3
4
3
1
0
1
2
2
2
1
0
2
5
6
8
11
12
19
30
39
28
13
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
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)

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

Chance of Frost

Temperature (°C)

16
17
18
20
21
21
22
21
21
20
19
17
16
15
14
12
12
11
11
11
11
11
12
14

Feels Like (°C)

11
11
12
13
21
21
21
21
21
22
17
16
15
15
15
15
11
11
11
11
11
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

47
40
34
29
27
25
24
27
30
34
38
42
47
52
59
65
68
71
75
76
78
80
66
54

Pressure (mb)

1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

348
348
349
350
350
350
350
350
350
350
350
350
350
350
350
350
350
349
349
348
347
346
347
347

Monday 24

Waxing Gibbous 90%

18:56

02:33

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

Sun - Rise: 06:09, Set: 20:10, Transit: 13:09. Moon - Rise: 18:56, Set: 02:33. Civil Dark: 20:46 - 05:33. Nautical Dark: 21:31 - 04:49. Astro Dark: 22:22 - 03:58

Total Clouds (% Sky Obscured)

53
52
50
53
59
64
52
40
44
44
48
44
44
44
40
25
21
13
16
13
13

Low Clouds (% Sky Obscured)

53
52
49
41
33
25
16
8
0
0
0
0
19
44
40
25
21
3
3
2
2

Medium Clouds (% Sky Obscured)

3
8
13
20
25
30
24
14
4
3
1
0
0
0
0
1
1
2
3
4
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
3
17
29
36
25
20
13
12
8
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

10
10
9
9
9
9
9
10
10
10
7
5
4
4
4
5
4
4
3
3
4

Chance of Frost

Temperature (°C)

16
17
19
20
21
21
21
21
20
19
18
16
15
14
13
12
11
11
10
9
9

Feels Like (°C)

12
13
15
15
21
20
19
20
20
21
15
15
14
13
12
12
10
10
10
9
9

Dew Point (°C)

5
4
3
2
2
1
0
1
2
4
5
5
6
6
5
5
5
4
4
3
3

Relative Humidity (%)

46
40
35
30
28
26
24
27
31
35
42
48
57
59
60
63
64
65
66
66
66

Pressure (mb)

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

Ozone (du)

348
348
349
349
348
346
345
342
339
335
333
331
329
328
327
326
325
325
324
324
323

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

Generated: 18/08/26 10:37:24. Forecast: 18/08/26 to 24/08/26. Timezone: UTC+1.00