Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 8

Waning Crescent 25%

00:47

18:04

05 Good
06 Good
07 OK
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 OK
03 OK
04 OK

Sun - Rise: 05:42, Set: 20:43, Transit: 13:12. Moon - Rise: 00:47, Set: 18:04. Civil Dark: 21:21 - 05:03. Nautical Dark: 22:12 - 04:15. Astro Dark: 23:17 - 03:11

Total Clouds (% Sky Obscured)

2
16
26
63
100
99
100
96
99
100
100
100
100
100
96
100
99
98
66
48
48
37
26
34

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
10
16
7
4
0
0
5
2
17
3
0
0
0
0
18

Medium Clouds (% Sky Obscured)

0
0
26
63
87
79
70
42
68
46
54
47
100
100
82
71
49
43
26
21
39
31
21
14

High Clouds (% Sky Obscured)

2
16
26
63
99
93
99
94
98
100
100
100
100
100
89
100
98
97
40
22
8
2
2
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
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)

2
2
2
2
6
7
7
8
8
9
10
10
10
10
9
7
5
4
3
3
3
3
3
2

Chance of Frost

Temperature (°C)

11
10
11
15
18
19
21
23
25
26
26
26
26
25
24
22
21
19
18
17
16
16
15
15

Feels Like (°C)

12
10
9
13
16
17
18
20
21
22
22
21
21
22
21
20
18
17
16
15
15
15
15
15

Dew Point (°C)

8
7
5
6
6
7
6
5
3
1
1
2
3
5
5
5
7
7
7
7
6
5
6
6

Relative Humidity (%)

80
78
67
54
46
43
38
30
23
19
18
20
23
26
28
33
40
43
46
49
48
50
52
53

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

323
323
322
321
321
321
322
323
323
324
324
326
328
329
330
331
331
330
329
329
328
327
327
328

Sunday 9

Waning Crescent 16%

02:02

19:05

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

Sun - Rise: 05:43, Set: 20:41, Transit: 13:12. Moon - Rise: 02:02, Set: 19:05. Civil Dark: 21:19 - 05:05. Nautical Dark: 22:10 - 04:17. Astro Dark: 23:13 - 03:14

Total Clouds (% Sky Obscured)

46
16
27
24
11
8
5
4
6
17
35
22
30
100
100
76
54
12
46
9
32
59
93
99

Low Clouds (% Sky Obscured)

11
0
3
11
1
0
0
0
0
3
3
0
0
0
0
0
0
3
0
0
0
2
12
18

Medium Clouds (% Sky Obscured)

27
10
17
9
0
0
0
0
0
0
0
0
3
2
3
2
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
2
1
9
8
5
4
6
17
35
22
30
100
100
76
53
4
42
6
23
52
86
99

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)

2
2
2
3
5
6
6
7
9
10
11
13
14
14
13
12
10
9
6
5
4
4
3
3

Chance of Frost

Temperature (°C)

16
16
16
19
22
24
26
27
28
28
28
28
27
26
25
23
20
18
18
17
16
15
15
14

Feels Like (°C)

15
15
17
19
21
23
24
26
27
27
26
23
23
23
21
19
17
17
18
16
16
14
14
14

Dew Point (°C)

6
6
6
7
6
6
5
6
6
6
6
6
7
8
8
9
9
9
11
12
11
10
11
11

Relative Humidity (%)

53
54
49
43
36
31
26
25
25
23
23
24
27
30
34
40
47
55
64
70
72
73
76
78

Pressure (mb)

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

Ozone (du)

328
328
326
322
321
321
321
320
319
318
318
318
318
317
317
315
315
314
312
310
309
308
307
305

Monday 10

Waning Crescent 8%

03:30

19:47

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
21 OK
22 OK
23 OK
00 Good
01 Good
02 OK
03 OK
04 Bad

Sun - Rise: 05:45, Set: 20:39, Transit: 13:12. Moon - Rise: 03:30, Set: 19:47. Civil Dark: 21:17 - 05:07. Nautical Dark: 22:07 - 04:19. Astro Dark: 23:10 - 03:18

Total Clouds (% Sky Obscured)

80
65
67
80
89
64
56
66
74
94
88
88
72
62
62
59
33
20
31
5
10
23
34
49

Low Clouds (% Sky Obscured)

23
17
25
15
20
25
29
32
35
43
47
43
33
27
25
20
19
7
0
0
5
10
18
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
20
0
0
0
5
2
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

58
44
41
66
83
37
14
24
43
55
30
25
25
10
16
20
2
8
19
2
2
6
10
13

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)

3
3
3
4
5
5
5
7
7
8
8
7
7
6
6
6
6
6
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

14
14
15
18
20
21
23
24
25
26
27
27
27
26
26
24
22
21
20
19
18
17
16
16

Feels Like (°C)

13
13
15
17
19
21
22
24
24
24
25
24
24
24
24
22
20
20
19
16
17
17
17
15

Dew Point (°C)

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

Relative Humidity (%)

80
83
75
67
62
56
51
46
40
36
34
34
33
34
34
37
39
42
42
45
64
83
89
90

Pressure (mb)

1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022

Ozone (du)

305
306
306
306
305
305
304
305
305
305
307
307
306
306
306
307
307
307
308
308
308
309
309
309

Tuesday 11

Waning Crescent 2%

05:03

20:16

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

Sun - Rise: 05:47, Set: 20:37, Transit: 13:12. Moon - Rise: 05:03, Set: 20:16. Civil Dark: 21:15 - 05:08. Nautical Dark: 22:05 - 04:21. Astro Dark: 23:06 - 03:21

Total Clouds (% Sky Obscured)

55
53
50
39
8
4
6
8
8
9
10
12
16
18
14
7
0
10
22
35
49
59
74
66

Low Clouds (% Sky Obscured)

29
36
26
12
0
1
3
5
6
6
7
5
2
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
10
13
8
4
0
5
8
13
18
20
23
23

High Clouds (% Sky Obscured)

15
13
23
28
8
2
2
2
2
2
2
2
2
0
0
0
0
0
0
2
13
24
44
29

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

Chance of Frost

Temperature (°C)

16
15
16
18
20
22
24
26
27
28
28
29
28
28
27
24
22
20
19
18
17
17
16
16

Feels Like (°C)

15
15
15
16
18
21
23
25
26
26
26
27
26
24
23
21
19
18
17
16
15
15
16
15

Dew Point (°C)

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

Relative Humidity (%)

87
83
74
63
52
44
37
33
30
28
26
26
26
28
32
38
45
51
56
63
69
73
77
81

Pressure (mb)

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

Ozone (du)

308
308
308
309
308
308
308
308
308
308
308
309
309
310
310
310
309
309
309
310
312
313
313
312

Wednesday 12

New Moon 0%

05:03

20:36

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

Sun - Rise: 05:48, Set: 20:35, Transit: 13:12. Moon - Rise: 05:03, Set: 20:36. Civil Dark: 21:13 - 05:10. Nautical Dark: 22:02 - 04:23. Astro Dark: 23:02 - 03:24

Total Clouds (% Sky Obscured)

67
67
67
63
63
62
58
52
43
41
36
25
18
3
69
49
31
30
28
26
20
16
9
11

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

27
23
18
14
16
15
14
16
17
13
8
5
2
0
17
14
11
6
3
0
0
0
1
1

High Clouds (% Sky Obscured)

15
2
2
1
1
8
11
4
8
23
33
23
18
3
56
39
22
19
19
17
13
8
2
1

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)

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

Chance of Frost

Temperature (°C)

16
16
17
19
21
24
26
28
30
31
31
32
31
30
29
27
24
22
21
20
19
18
18
17

Feels Like (°C)

16
17
17
18
20
21
23
25
27
28
27
28
28
27
27
27
27
26
25
24
23
15
16
16

Dew Point (°C)

13
14
13
11
8
7
5
4
4
3
3
3
2
2
4
5
7
8
8
8
8
8
8
8

Relative Humidity (%)

83
83
76
58
43
33
26
22
19
17
16
15
15
16
19
24
31
40
43
46
49
51
52
54

Pressure (mb)

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

Ozone (du)

311
310
309
308
307
305
306
306
305
307
306
306
305
304
302
302
301
300
299
299
298
298
298
298

Thursday 13

Waxing Crescent 1%

06:33

20:51

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

Sun - Rise: 05:50, Set: 20:33, Transit: 13:11. Moon - Rise: 06:33, Set: 20:51. Civil Dark: 21:11 - 05:12. Nautical Dark: 22:00 - 04:26. Astro Dark: 22:59 - 03:27

Total Clouds (% Sky Obscured)

13
16
16
15
14
23
36
51
50
48
43
31
16
0
2
4
6
11
18
24
16
9
0
15

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
7
11
8
4
0
0
0
0
0
0
0
0
0
0
4

Medium Clouds (% Sky Obscured)

1
1
1
2
2
5
8
12
17
20
18
11
5
0
0
0
0
3
7
12
8
4
0
1

High Clouds (% Sky Obscured)

1
1
3
5
6
23
36
51
34
17
4
3
1
0
1
3
4
3
2
0
0
0
0
8

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

Chance of Frost

Temperature (°C)

17
17
17
20
23
26
28
30
32
32
32
33
32
31
30
27
25
22
21
20
19
18
18
17

Feels Like (°C)

16
15
14
18
19
19
21
21
23
32
31
30
30
30
30
27
27
27
26
25
25
18
19
19

Dew Point (°C)

7
7
7
5
4
3
2
1
0
1
1
1
2
1
2
3
4
6
8
11
14
14
15
15

Relative Humidity (%)

52
50
49
37
28
22
18
15
13
13
13
13
14
15
16
20
26
34
43
56
71
76
81
88

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

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

Friday 14

Waxing Crescent 4%

07:59

21:04

05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
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: 05:51, Set: 20:31, Transit: 13:11. Moon - Rise: 07:59, Set: 21:04. Civil Dark: 21:09 - 05:14. Nautical Dark: 21:57 - 04:28. Astro Dark: 22:55 - 03:30

Total Clouds (% Sky Obscured)

29
41
29
24
19
35
50
71
69
67
64
64
64
61
73
85
97
92
87
79

Low Clouds (% Sky Obscured)

8
12
8
4
0
8
18
31
36
40
42
38
35
31
17
7
0
1
1
2

Medium Clouds (% Sky Obscured)

1
2
14
24
19
29
15
1
4
9
13
16
17
18
17
15
14
19
25
25

High Clouds (% Sky Obscured)

15
22
14
7
0
18
37
50
32
21
4
2
2
1
33
64
95
85
73
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

Fog (%)

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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
17
23
50
58
59

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2

Wind Speed/Direction (mph)

4
4
5
6
7
9
7
6
5
5
5
5
5
6
8
8
9
9
7
5

Chance of Frost

Temperature (°C)

17
17
18
20
22
24
26
28
30
30
31
31
31
31
30
28
26
24
22
21

Feels Like (°C)

19
18
18
20
20
20
22
23
24
30
29
28
29
30
31
28
27
26
25
23

Dew Point (°C)

15
15
15
14
14
14
14
14
13
11
10
8
6
6
5
8
11
14
14
15

Relative Humidity (%)

86
83
83
70
60
51
46
41
36
31
27
23
21
20
19
28
39
55
60
67

Pressure (mb)

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

Ozone (du)

302
303
305
308
312
316
315
315
314
314
314
314
313
312
311
312
314
315
316
318

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

Generated: 08/08/26 05:47:33. Forecast: 08/08/26 to 14/08/26. Timezone: UTC+1.00