Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 11

Waning Crescent 2%

04:52

20:11

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

Sun - Rise: 05:39, Set: 20:31, Transit: 13:04. Moon - Rise: 04:52, Set: 20:11. Civil Dark: 21:10 - 05:00. Nautical Dark: 22:01 - 04:10. Astro Dark: 23:05 - 03:07

Total Clouds (% Sky Obscured)

26
23
32
51
21
27
37
59
50
27
16
13
19
10
6
50
35
90
89
89
96
74
46
34

Low Clouds (% Sky Obscured)

0
0
3
6
5
7
3
5
6
2
0
0
0
0
0
0
0
0
0
1
0
2
4
4

Medium Clouds (% Sky Obscured)

1
0
2
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

26
23
32
30
7
7
25
43
36
17
9
8
12
7
2
45
34
86
86
86
94
69
36
24

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

Chance of Frost

Temperature (°C)

11
13
16
19
21
22
24
25
26
26
26
25
24
23
21
18
17
16
15
14
14
14
14
14

Feels Like (°C)

9
12
15
17
18
21
22
22
22
23
23
22
21
20
19
16
14
13
13
13
13
13
14
14

Dew Point (°C)

9
9
10
10
9
7
6
7
7
6
6
5
5
4
4
4
6
9
11
12
12
12
12
13

Relative Humidity (%)

85
79
67
55
45
36
32
31
29
28
28
27
28
29
32
38
48
63
76
83
84
86
90
92

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1024
1025
1025
1025
1024
1024
1024
1024
1024

Ozone (du)

310
310
310
310
310
311
310
311
311
312
313
313
313
313
312
311
311
311
311
311
311
311
311
311

Wednesday 12

New Moon 0%

No Rise

20:30

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

Sun - Rise: 05:40, Set: 20:29, Transit: 13:04. Moon - Rise: No Rise, Set: 20:30. Civil Dark: 21:08 - 05:02. Nautical Dark: 21:59 - 04:12. Astro Dark: 23:02 - 03:10

Total Clouds (% Sky Obscured)

33
42
62
38
31
13
3
0
1
2
20
0
32
31
19
2
11
21
18
9
7
15
1
0

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)

0
0
0
0
0
0
0
0
0
2
14
0
22
24
13
0
8
19
15
8
6
0
0
0

High Clouds (% Sky Obscured)

22
31
57
38
31
12
2
0
1
0
0
0
0
0
2
2
1
0
0
0
0
15
1
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
6
9
9
9
10
9
9
9
9
9
10
10
10
9
9
9
8
7
6
5
5
3
2

Chance of Frost

Temperature (°C)

14
15
18
21
23
26
28
29
30
31
31
31
31
29
26
24
22
21
20
20
19
19
18
18

Feels Like (°C)

14
15
16
19
22
24
26
28
28
29
30
29
29
27
25
22
20
19
19
19
18
19
19
20

Dew Point (°C)

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

Relative Humidity (%)

89
77
56
38
29
24
21
19
18
18
18
19
20
21
25
30
34
36
39
40
40
43
46
50

Pressure (mb)

1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1020

Ozone (du)

311
310
310
310
311
312
311
309
307
307
306
306
306
305
304
303
303
303
304
305
306
307
307
307

Thursday 13

Waxing Crescent 1%

06:23

20:45

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

Sun - Rise: 05:42, Set: 20:27, Transit: 13:04. Moon - Rise: 06:23, Set: 20:45. Civil Dark: 21:06 - 05:04. Nautical Dark: 21:56 - 04:14. Astro Dark: 22:58 - 03:13

Total Clouds (% Sky Obscured)

2
5
32
8
4
0
2
6
6
55
33
39
13
12
71
77
98
44
48
57
46
38
26
17

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)

0
0
0
0
0
0
0
1
1
11
10
7
5
1
3
4
3
12
14
17
18
20
13
6

High Clouds (% Sky Obscured)

2
5
27
8
4
0
2
5
4
38
15
35
2
10
59
72
98
35
40
40
16
3
2
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
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
3
3
4
6
7
9
10
11
12
13
14
13
13
11
10
8
8
7
9
10
9
9
9

Chance of Frost

Temperature (°C)

18
19
22
25
28
31
33
35
36
36
36
36
35
34
31
28
27
27
25
24
23
22
21
21

Feels Like (°C)

19
20
23
24
27
29
31
32
32
32
32
31
30
30
28
26
26
24
23
21
20
21
21
21

Dew Point (°C)

7
7
6
5
2
2
2
2
3
4
4
4
5
6
7
9
11
12
12
12
13
14
14
15

Relative Humidity (%)

50
46
35
26
18
15
13
12
12
13
13
13
15
17
21
29
35
39
44
47
55
61
65
68

Pressure (mb)

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

Ozone (du)

306
306
306
305
304
303
302
301
300
300
300
300
303
305
305
305
304
305
305
305
305
305
305
306

Friday 14

Waxing Crescent 4%

07:50

20:57

06 Good
07 OK
08 Good
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
01 Bad
02 Bad
03 OK
04 OK
05 Good

Sun - Rise: 05:44, Set: 20:25, Transit: 13:04. Moon - Rise: 07:50, Set: 20:57. Civil Dark: 21:04 - 05:05. Nautical Dark: 21:53 - 04:16. Astro Dark: 22:54 - 03:17

Total Clouds (% Sky Obscured)

6
42
9
22
33
57
81
78
66
65
66
65
83
64
80
79
76
55
96
97
98
38
27
17

Low Clouds (% Sky Obscured)

0
0
0
0
7
16
23
29
32
36
47
51
78
58
76
79
66
14
11
10
5
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
4
9
13
15
14
16
21
22
19
19
19
18
13
7
2
1
1
0
0
2

High Clouds (% Sky Obscured)

5
41
9
22
22
32
40
34
0
2
0
0
0
0
0
0
12
44
90
92
96
38
26
14

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
1
1
0
1
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
8
9
9
10
10
10
10
10
10
10
9
11
13
13
12
11
11
11
10
9
8
7
7

Chance of Frost

Temperature (°C)

20
20
22
24
25
27
28
29
29
30
30
29
29
27
25
24
22
21
19
17
16
15
14
14

Feels Like (°C)

21
21
21
24
25
26
27
27
27
29
30
29
28
25
23
21
20
18
16
14
13
12
14
13

Dew Point (°C)

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

Relative Humidity (%)

72
69
59
50
44
39
34
30
28
28
29
28
30
39
44
46
49
54
52
55
59
62
67
69

Pressure (mb)

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

Ozone (du)

306
306
306
306
306
306
305
305
304
303
304
304
304
304
303
304
304
305
304
304
303
303
302
302

Saturday 15

Waxing Crescent 10%

09:13

21:08

06 Good
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 Bad
13 OK
14 OK
15 OK
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

Sun - Rise: 05:45, Set: 20:23, Transit: 13:04. Moon - Rise: 09:13, Set: 21:08. Civil Dark: 21:02 - 05:07. Nautical Dark: 21:51 - 04:19. Astro Dark: 22:50 - 03:20

Total Clouds (% Sky Obscured)

14
55
50
50
51
45
49
47
42
40
58
60
70
82
75
64
70
83
91
89
88
91
92
93

Low Clouds (% Sky Obscured)

0
0
0
0
2
5
8
11
13
15
13
8
6
10
11
10
9
8
5
2
1
1
0
0

Medium Clouds (% Sky Obscured)

0
23
4
4
2
4
4
4
0
0
3
6
10
9
4
0
11
25
37
38
29
30
29
19

High Clouds (% Sky Obscured)

10
55
50
50
49
45
49
47
42
40
58
41
60
64
58
48
68
81
91
89
88
91
92
93

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
3
2
1
2
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
13
15
17
19
20
22
21
22
23
23
26
26
24
24
24
23
22
21
14
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

72
67
58
50
45
39
36
31
28
25
25
24
25
26
33
40
52
57
63
69
70
71
73
71

Pressure (mb)

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

Ozone (du)

304
305
307
309
310
311
313
314
316
318
320
323
324
323
320
318
316
315
315
314
314
314
314
313

Sunday 16

Waxing Crescent 18%

10:33

21:19

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 Bad
22 Bad
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad

Sun - Rise: 05:47, Set: 20:21, Transit: 13:03. Moon - Rise: 10:33, Set: 21:19. Civil Dark: 20:59 - 05:09. Nautical Dark: 21:48 - 04:21. Astro Dark: 22:47 - 03:23

Total Clouds (% Sky Obscured)

91
85
87
88
91
94
100
100
100
100
100
100
100
95
90
87
66
45
23
19
13
9
30
50

Low Clouds (% Sky Obscured)

2
2
0
1
2
6
12
13
19
30
34
39
43
43
39
32
23
19
10
5
3
1
9
17

Medium Clouds (% Sky Obscured)

14
9
5
9
9
9
9
9
10
10
8
5
5
4
3
2
2
1
0
2
4
5
9
12

High Clouds (% Sky Obscured)

91
85
87
88
91
94
100
95
91
86
91
95
100
80
60
45
32
21
7
5
3
0
8
10

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

Precipitation Probability (%)

6
12
20
30
30
28
24
34
43
50
67
76
78
62
42
3
5
3
0
1
1
1
6
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.6
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
16
17
18
18
19
20
19
19
19
19
18
18
17
16
16
16
15
15
15
15
14
14

Feels Like (°C)

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

Dew Point (°C)

10
10
9
7
6
5
4
3
2
1
-1
1
2
4
5
7
10
11
12
14
14
14
13
11

Relative Humidity (%)

73
71
63
54
47
42
37
33
31
29
27
30
33
37
45
54
66
73
80
90
90
93
95
84

Pressure (mb)

1016
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

312
311
311
311
311
311
312
312
313
314
314
315
315
316
317
319
320
321
322
322
323
324
326
326

Monday 17

Waxing Crescent 27%

11:51

21:32

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 OK
21 OK
22 OK
23 Bad
00 Bad

Sun - Rise: 05:48, Set: 20:19, Transit: 13:03. Moon - Rise: 11:51, Set: 21:32. Civil Dark: 20:57 - 05:11. Nautical Dark: 21:45 - 04:23. Astro Dark: 22:43 - 03:26

Total Clouds (% Sky Obscured)

70
77
83
86
84
82
81
80
79
78
68
59
53
46
39
29
39
49
58

Low Clouds (% Sky Obscured)

25
44
62
78
59
44
29
26
22
22
24
26
22
19
16
13
26
42
55

Medium Clouds (% Sky Obscured)

15
12
12
12
14
15
17
22
25
24
24
23
19
16
12
11
12
13
14

High Clouds (% Sky Obscured)

11
8
14
15
20
20
25
27
29
22
16
11
5
4
2
0
7
14
20

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
8
7
2
3
2
1
1
1
0
0
0
0
1
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

Wind Speed/Direction (mph)

10
11
11
12
14
14
14
15
15
15
15
14
13
13
11
8
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
9
8
7
7
7
7
7
7
8
8
9
9
10
10
10
10
9
8

Relative Humidity (%)

78
71
61
54
46
44
40
38
39
39
39
44
49
55
60
66
73
69
67

Pressure (mb)

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

Ozone (du)

326
326
326
327
327
327
328
328
329
330
331
333
336
339
338
337
336
332
329

Forecast for Castle, Cambridgeshire, United Kingdom (52.21,0.10)

Generated: 11/08/26 06:35:47. Forecast: 11/08/26 to 17/08/26. Timezone: UTC+1.00