Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

Waxing Crescent 23%

10:26

22:46

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

Sun - Rise: 05:11, Set: 21:16, Transit: 13:13. Moon - Rise: 10:26, Set: 22:46. Civil Dark: 22:00 - 04:28. Nautical Dark: 23:03 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

47
37
35
27
22
13
61
62
19
33
13
16
24
19
18
13
38
43
39
16
48
23
38
46

Low Clouds (% Sky Obscured)

17
20
11
0
14
7
2
10
19
30
9
12
19
13
2
0
4
19
0
9
31
5
38
42

Medium Clouds (% Sky Obscured)

3
2
1
0
1
2
4
0
0
0
0
0
0
0
0
0
0
19
31
7
19
16
16
14

High Clouds (% Sky Obscured)

0
0
1
3
6
3
42
36
0
0
2
2
0
3
18
10
19
13
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)

10
6
4
6
9
10
9
8
7
8
9
10
10
10
10
10
10
10
10
10
9
15
14
12

Chance of Frost

Temperature (°C)

22
21
19
18
17
16
15
14
14
13
14
15
16
17
19
20
22
23
23
23
24
23
23
22

Feels Like (°C)

22
20
18
17
16
14
14
14
13
13
13
13
15
16
17
18
20
21
21
21
22
18
19
19

Dew Point (°C)

12
11
8
9
13
13
13
13
13
13
10
8
6
4
3
2
2
1
1
1
2
11
9
10

Relative Humidity (%)

53
53
49
56
76
83
90
93
96
95
78
61
49
39
34
30
26
24
23
23
24
44
40
47

Pressure (mb)

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

Ozone (du)

343
338
333
330
329
330
331
332
332
330
333
335
336
336
334
332
332
333
335
338
346
356
361
359

Saturday 18

Waxing Crescent 33%

11:45

22:58

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

Sun - Rise: 05:13, Set: 21:15, Transit: 13:13. Moon - Rise: 11:45, Set: 22:58. Civil Dark: 21:58 - 04:29. Nautical Dark: 23:01 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

62
64
48
52
56
54
73
92
100
100
76
72
59
42
25
41
61
60
57
82
30
13
14
10

Low Clouds (% Sky Obscured)

47
34
18
18
28
31
5
26
33
29
23
24
18
3
0
6
29
30
19
23
12
2
10
9

Medium Clouds (% Sky Obscured)

24
39
32
32
29
24
27
31
33
27
20
21
59
42
2
38
21
44
57
73
20
8
3
0

High Clouds (% Sky Obscured)

0
0
0
3
2
12
39
75
100
100
45
43
40
39
23
30
30
30
2
1
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)

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

Chance of Frost

Temperature (°C)

20
18
17
17
15
15
14
14
14
14
14
15
16
18
19
21
22
23
23
23
23
23
23
21

Feels Like (°C)

17
16
15
16
15
14
13
13
12
11
11
11
12
14
15
18
18
19
19
20
20
22
21
19

Dew Point (°C)

10
8
10
12
12
12
13
13
13
12
10
8
6
6
6
5
5
4
3
3
2
2
2
2

Relative Humidity (%)

50
52
63
73
80
83
89
93
93
89
78
62
50
46
42
36
32
29
27
26
25
24
25
27

Pressure (mb)

1020
1021
1022
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1026
1026
1025
1025
1025
1025
1024
1024
1024
1024
1024

Ozone (du)

356
351
346
343
340
337
336
335
335
337
339
339
342
344
345
347
348
350
352
352
350
345
341
345

Sunday 19

Waxing Crescent 43%

13:02

23:10

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

Sun - Rise: 05:14, Set: 21:13, Transit: 13:13. Moon - Rise: 13:02, Set: 23:10. Civil Dark: 21:57 - 04:31. Nautical Dark: 22:59 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
55
50
76
100
100
84
58
51
71
58
23
13
54
18
48
71
61
64
78
91
92
63
60

Low Clouds (% Sky Obscured)

50
2
0
0
7
7
0
0
0
0
1
1
2
2
2
18
33
45
44
60
60
65
29
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
45
73
34
40
29
9
3
5
49
14
27
39
28
22
30
41
42
38
30

High Clouds (% Sky Obscured)

2
45
45
71
100
99
70
58
12
24
45
16
5
2
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)

5
5
7
7
6
6
5
4
2
2
3
4
5
6
6
6
6
6
6
7
7
8
13
13

Chance of Frost

Temperature (°C)

20
18
16
15
15
14
13
13
12
12
13
16
18
20
21
22
23
24
24
25
24
24
23
22

Feels Like (°C)

19
15
13
12
12
11
11
12
13
13
12
14
17
18
19
22
22
22
22
22
21
21
18
18

Dew Point (°C)

4
1
4
6
7
7
8
9
9
8
7
5
3
1
-0
0
0
0
1
2
2
3
5
6

Relative Humidity (%)

35
32
44
53
58
64
69
76
81
77
63
50
37
28
24
22
21
20
20
22
23
25
30
35

Pressure (mb)

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

Ozone (du)

342
341
340
338
337
336
337
338
337
334
331
331
332
332
333
334
333
333
333
332
331
329
327
326

Monday 20

Waxing Crescent 53%

14:17

23:22

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

Sun - Rise: 05:15, Set: 21:12, Transit: 13:13. Moon - Rise: 14:17, Set: 23:22. Civil Dark: 21:55 - 04:32. Nautical Dark: 22:57 - 03:32. Astro Dark: N/A - 01:32

Total Clouds (% Sky Obscured)

74
77
55
50
46
41
32
36
28
21
30
46
52
32
35
39
38
40
39
40
50
61
97
94

Low Clouds (% Sky Obscured)

45
43
19
15
20
24
25
25
17
8
13
29
36
20
15
8
10
12
12
10
8
11
40
48

Medium Clouds (% Sky Obscured)

26
32
35
38
33
32
27
20
17
14
17
20
22
23
27
24
26
25
24
26
28
30
33
32

High Clouds (% Sky Obscured)

0
1
1
1
0
0
0
0
0
0
5
2
2
0
0
0
0
0
0
18
39
61
44
39

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)

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

Chance of Frost

Temperature (°C)

21
20
19
18
17
16
16
16
15
15
15
16
18
19
20
21
22
23
23
24
24
24
24
23

Feels Like (°C)

18
17
17
18
16
17
17
16
15
16
15
16
17
18
19
20
22
21
22
22
23
23
23
21

Dew Point (°C)

9
11
14
15
15
15
15
15
15
15
13
13
11
10
8
7
5
4
2
2
2
3
5
8

Relative Humidity (%)

46
56
72
85
89
93
96
98
98
98
89
78
65
54
45
38
32
28
25
24
24
26
29
39

Pressure (mb)

1027
1028
1028
1028
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027
1027
1026
1026

Ozone (du)

325
324
324
325
325
323
322
321
321
320
321
321
323
324
325
329
336
336
335
334
334
334
332
331

Tuesday 21

First Quarter 63%

15:32

23:36

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
19 Bad
20 Bad

Sun - Rise: 05:17, Set: 21:11, Transit: 13:13. Moon - Rise: 15:32, Set: 23:36. Civil Dark: 21:54 - 04:34. Nautical Dark: 22:55 - 03:34. Astro Dark: 00:54 - 01:44

Total Clouds (% Sky Obscured)

91
94
97
100
100
100
100
100
100
100
97
93
86
70
59
58
70
82
95
96
97
99
90
81

Low Clouds (% Sky Obscured)

48
21
25
30
31
32
28
22
18
17
17
17
17
17
37
36
52
69
85
80
80
75
60
44

Medium Clouds (% Sky Obscured)

27
29
27
21
67
70
73
74
75
76
76
77
74
58
25
22
25
28
27
37
38
49
40
28

High Clouds (% Sky Obscured)

52
68
85
100
100
100
100
100
100
100
84
67
41
5
3
0
0
0
0
0
0
0
4
5

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
1
3
7
7
4
6
5
2
6
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)

4
8
6
5
5
5
6
7
7
8
10
11
12
11
11
11
12
12
12
12
11
11
11
10

Chance of Frost

Temperature (°C)

22
21
20
19
18
17
16
15
15
15
15
16
17
18
20
21
22
22
23
23
22
21
20
19

Feels Like (°C)

20
17
17
16
16
15
14
13
13
13
12
12
13
15
17
20
20
20
21
21
21
21
20
17

Dew Point (°C)

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

Relative Humidity (%)

44
47
57
57
61
68
72
75
80
79
73
69
65
57
50
43
38
39
40
41
44
48
51
58

Pressure (mb)

1026
1027
1027
1026
1026
1026
1025
1025
1024
1024
1024
1024
1023
1023
1023
1022
1021
1021
1021
1020
1021
1021
1021
1021

Ozone (du)

331
330
329
329
329
328
329
329
329
329
330
332
336
344
349
356
359
359
358
357
354
351
349
346

Wednesday 22

Waxing Gibbous 72%

16:46

23:54

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

Sun - Rise: 05:18, Set: 21:10, Transit: 13:13. Moon - Rise: 16:46, Set: 23:54. Civil Dark: 21:52 - 04:35. Nautical Dark: 22:52 - 03:36. Astro Dark: 00:42 - 01:53

Total Clouds (% Sky Obscured)

70
46
24
1
16
33
47
51
47
45
48
51
56
48
40
34
32
28
19
22
24
27
28
32

Low Clouds (% Sky Obscured)

26
16
8
0
3
7
11
17
28
30
33
30
29
23
22
20
16
12
11
11
11
12
8
11

Medium Clouds (% Sky Obscured)

16
15
8
0
0
0
0
0
0
0
0
1
2
2
1
1
1
0
0
5
9
12
13
13

High Clouds (% Sky Obscured)

7
5
2
0
5
9
10
9
9
12
22
38
46
29
15
0
0
0
0
2
5
8
7
5

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
5
5
4
4
5
6
6
6
6
7
8
9
10
10
11
10
10
9
9
8
7
5

Chance of Frost

Temperature (°C)

18
17
16
15
14
14
14
13
13
13
13
15
16
17
19
21
22
23
24
25
25
24
24
22

Feels Like (°C)

18
19
18
17
17
14
15
15
14
13
12
13
13
12
13
14
15
23
23
22
22
22
22
23

Dew Point (°C)

12
13
13
12
12
12
11
11
10
10
9
9
9
9
8
7
6
5
4
3
3
2
2
3

Relative Humidity (%)

66
74
78
82
86
84
86
86
83
80
77
70
63
56
47
40
34
31
27
24
24
23
23
27

Pressure (mb)

1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1022
1023

Ozone (du)

343
340
338
336
334
332
330
328
327
325
324
323
322
320
319
317
315
314
313
312
312
312
312
312

Thursday 23

Waxing Gibbous 69%

17:56

00:17

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

Sun - Rise: 05:19, Set: 21:08, Transit: 13:13. Moon - Rise: 17:56, Set: 00:17. Civil Dark: 21:51 - 04:37. Nautical Dark: 22:50 - 03:38. Astro Dark: 00:33 - 02:00

Total Clouds (% Sky Obscured)

41
49
59
66
75
88
100
100
100
100
71
42
13
24
38
52
62
70
76
84
90
95

Low Clouds (% Sky Obscured)

11
12
10
9
8
8
7
7
8
10
7
3
0
9
16
16
13
15
18
14
12
11

Medium Clouds (% Sky Obscured)

11
9
7
5
4
2
0
0
0
0
0
0
0
0
0
0
5
10
15
18
18
20

High Clouds (% Sky Obscured)

3
20
36
54
65
73
79
78
78
78
67
42
13
17
9
15
15
25
50
60
60
55

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

2
2
2
3
4
4
4
4
3
3
3
2
3
5
6
7
9
8
8
9
9
9

Chance of Frost

Temperature (°C)

21
19
18
16
15
14
14
13
14
14
15
17
19
21
22
23
25
25
25
26
25
25

Feels Like (°C)

24
24
23
21
20
13
13
13
13
12
12
16
16
17
18
19
20
24
23
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

32
38
43
50
57
61
65
70
67
64
61
52
45
38
36
33
31
29
27
26
26
26

Pressure (mb)

1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1019
1019
1018
1018

Ozone (du)

312
312
312
313
313
314
315
316
317
319
321
321
321
322
322
322
322
322
323
323
323
323

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

Generated: 17/07/26 21:45:44. Forecast: 17/07/26 to 23/07/26. Timezone: UTC+1.00