Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 10

Waning Crescent 8%

03:23

19:48

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

Sun - Rise: 05:42, Set: 20:38, Transit: 13:09. Moon - Rise: 03:23, Set: 19:48. Civil Dark: 21:17 - 05:03. Nautical Dark: 22:08 - 04:12. Astro Dark: 23:14 - 03:08

Total Clouds (% Sky Obscured)

24
32
47
66
95
100
100
94
97
100
97
81
83
94
43
16
29
70
30
9
6
7
35
67

Low Clouds (% Sky Obscured)

0
0
0
1
4
10
15
18
14
15
25
22
15
0
0
1
4
6
10
2
2
3
10
3

Medium Clouds (% Sky Obscured)

0
0
0
3
0
2
2
2
2
16
1
2
7
0
0
1
1
0
2
2
1
0
0
0

High Clouds (% Sky Obscured)

24
32
47
42
90
100
100
90
94
100
92
66
71
94
41
12
29
64
16
6
2
3
21
63

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)

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

Chance of Frost

Temperature (°C)

20
22
23
24
24
25
24
24
23
22
20
18
17
16
15
14
14
13
12
12
13
16
18
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
37
32
29
27
25
24
24
25
32
43
62
76
78
82
84
87
90
92
93
84
69
58
46

Pressure (mb)

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

Ozone (du)

306
306
307
308
309
311
313
314
314
313
313
312
312
312
312
312
311
311
311
311
310
310
310
310

Tuesday 11

Waning Crescent 2%

04:57

20:16

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

Sun - Rise: 05:43, Set: 20:36, Transit: 13:09. Moon - Rise: 04:57, Set: 20:16. Civil Dark: 21:15 - 05:04. Nautical Dark: 22:06 - 04:14. Astro Dark: 23:10 - 03:11

Total Clouds (% Sky Obscured)

60
79
86
81
75
92
77
33
34
60
88
26
38
43
22
45
79
88
94
98
100
82
35
26

Low Clouds (% Sky Obscured)

7
4
0
15
9
4
0
0
0
0
0
0
0
0
0
0
3
7
12
0
0
0
0
0

Medium 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

High Clouds (% Sky Obscured)

52
78
85
75
65
91
72
32
34
60
77
26
38
43
22
43
74
86
93
97
100
82
35
25

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

Chance of Frost

Temperature (°C)

23
24
26
26
27
27
27
26
25
23
21
19
17
16
15
14
13
13
13
13
14
17
20
23

Feels Like (°C)

21
23
24
24
24
24
23
23
22
19
17
16
14
13
14
13
13
12
12
12
13
15
17
20

Dew Point (°C)

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

Relative Humidity (%)

39
33
29
27
26
26
26
27
31
37
43
49
57
66
76
84
89
92
93
93
83
63
45
32

Pressure (mb)

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

Ozone (du)

310
310
310
310
310
310
310
310
309
309
308
308
308
309
309
310
311
312
312
311
311
311
311
311

Wednesday 12

New Moon 0%

06:28

20:35

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

Sun - Rise: 05:45, Set: 20:34, Transit: 13:09. Moon - Rise: 06:28, Set: 20:35. Civil Dark: 21:13 - 05:06. Nautical Dark: 22:03 - 04:16. Astro Dark: 23:06 - 03:14

Total Clouds (% Sky Obscured)

10
5
25
5
26
22
22
31
32
20
3
2
27
14
22
20
30
33
64
62
51
46
37
35

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
17
2
15
12
12
16
17
9
1
1
15
8
16
13
14
15
29
19
20
21
23
21

High Clouds (% Sky Obscured)

10
5
4
3
0
0
1
0
0
0
0
0
0
0
0
1
10
13
59
57
37
21
1
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)

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

Chance of Frost

Temperature (°C)

26
28
30
31
32
32
32
32
31
28
26
24
22
21
20
19
18
18
17
18
19
22
25
28

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

24
20
18
17
17
17
18
18
19
23
29
34
37
39
41
43
43
44
45
47
43
35
27
22

Pressure (mb)

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

Ozone (du)

310
310
309
308
308
307
305
304
304
304
304
305
305
305
305
306
307
308
307
306
305
304
304
304

Thursday 13

Waxing Crescent 1%

07:55

20:49

11 OK
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 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 OK

Sun - Rise: 05:46, Set: 20:32, Transit: 13:08. Moon - Rise: 07:55, Set: 20:49. Civil Dark: 21:11 - 05:08. Nautical Dark: 22:01 - 04:19. Astro Dark: 23:02 - 03:18

Total Clouds (% Sky Obscured)

33
31
52
66
80
67
56
42
59
74
84
82
74
68
53
67
44
38
39
46
76
80
60
38

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
10
14
15
15
16
16
17
17
22

Medium Clouds (% Sky Obscured)

17
13
28
16
15
11
10
6
13
20
29
35
37
36
33
37
30
23
24
20
13
8
0
0

High Clouds (% Sky Obscured)

1
2
22
43
65
51
39
24
38
52
66
58
46
32
26
29
0
0
0
5
41
63
46
22

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
1
1
7
12
16
9
7
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)

9
10
12
12
13
14
15
15
14
11
9
10
8
8
8
8
7
7
7
7
7
9
10
12

Chance of Frost

Temperature (°C)

30
32
34
35
35
36
35
34
33
30
27
25
23
22
21
20
19
18
18
18
19
20
22
23

Feels Like (°C)

29
30
32
31
33
32
31
30
30
28
26
23
22
21
21
20
19
19
19
20
20
20
21
23

Dew Point (°C)

3
2
3
3
3
3
3
3
4
5
8
9
10
11
12
13
13
14
15
16
15
14
14
14

Relative Humidity (%)

17
14
14
13
12
12
13
13
15
20
29
36
42
48
59
65
67
73
80
83
77
68
62
56

Pressure (mb)

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

Ozone (du)

303
303
302
301
301
300
299
299
300
301
302
302
302
302
301
301
305
311
309
308
308
309
310
310

Friday 14

Waxing Crescent 4%

09:18

21:01

11 OK
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 OK
09 OK
10 Bad

Sun - Rise: 05:48, Set: 20:30, Transit: 13:08. Moon - Rise: 09:18, Set: 21:01. Civil Dark: 21:08 - 05:10. Nautical Dark: 21:58 - 04:21. Astro Dark: 22:59 - 03:21

Total Clouds (% Sky Obscured)

40
44
63
90
94
96
98
96
71
98
97
67
67
52
50
50
55
73
76
75
58
47
43
55

Low Clouds (% Sky Obscured)

24
26
29
30
31
24
16
14
12
11
11
11
3
0
0
0
0
0
0
2
6
7
11
14

Medium Clouds (% Sky Obscured)

0
0
3
6
9
14
19
20
14
8
0
0
0
0
7
15
24
18
10
3
2
2
2
15

High Clouds (% Sky Obscured)

22
22
47
81
87
91
95
94
64
96
94
62
66
48
42
41
55
73
76
75
58
29
5
7

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
26
26
26
24
25
24
22
20
19
16
15
15
13
13
13
12
12
12
12
12
12
13
14

Dew Point (°C)

14
13
13
12
12
12
10
9
9
9
9
9
9
8
8
9
9
9
10
10
10
10
9
9

Relative Humidity (%)

51
46
42
40
39
37
34
34
39
42
48
54
59
59
61
66
69
75
76
79
80
68
58
49

Pressure (mb)

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

Ozone (du)

309
309
306
304
304
304
303
304
303
302
301
302
302
303
304
305
306
306
307
308
309
309
310
310

Saturday 15

Waxing Crescent 10%

10:38

21:13

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

Sun - Rise: 05:50, Set: 20:28, Transit: 13:08. Moon - Rise: 10:38, Set: 21:13. Civil Dark: 21:06 - 05:12. Nautical Dark: 21:55 - 04:23. Astro Dark: 22:55 - 03:24

Total Clouds (% Sky Obscured)

67
78
67
60
55
47
34
20
27
26
39
43
48
57
77
87
91
92
97
94
96
98
100
100

Low Clouds (% Sky Obscured)

15
13
9
4
0
2
6
10
15
16
15
14
10
8
9
9
9
7
5
3
2
1
0
1

Medium Clouds (% Sky Obscured)

29
43
34
25
18
17
12
6
6
5
5
3
1
0
10
17
20
20
20
25
24
18
17
32

High Clouds (% Sky Obscured)

9
8
8
8
12
10
5
0
16
26
39
43
48
57
77
87
91
92
93
93
96
98
100
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
1
2
2
2
0
1
2
1
3

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

Chance of Frost

Temperature (°C)

20
22
23
23
24
25
24
24
23
21
19
17
15
14
13
13
12
12
12
12
12
14
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
39
34
31
28
25
26
28
29
36
44
56
62
69
76
80
83
86
83
81
79
69
61
54

Pressure (mb)

1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

311
312
314
317
321
324
324
324
323
322
320
319
316
313
310
308
306
304
304
304
303
305
306
307

Sunday 16

Waxing Crescent 18%

No Rise

21:24

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: 05:51, Set: 20:26, Transit: 13:08. Moon - Rise: No Rise, Set: 21:24. Civil Dark: 21:04 - 05:14. Nautical Dark: 21:53 - 04:25. Astro Dark: 22:51 - 03:27

Total Clouds (% Sky Obscured)

100
100
98
94
92
92
93
94
95
97
100
98
98
97
98
98
99
98
98
98

Low Clouds (% Sky Obscured)

2
4
5
4
0
0
0
0
0
0
0
16
33
49
51
53
48
50
54
55

Medium Clouds (% Sky Obscured)

45
53
51
52
51
44
41
30
35
45
47
42
38
27
34
47
57
72
81
84

High Clouds (% Sky Obscured)

100
100
92
77
66
65
68
65
73
87
100
97
96
94
81
70
58
63
71
86

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
None
None
None

Precipitation Probability (%)

2
0
0
0
0
0
0
0
3
6
7
23
27
27
26
21
9
21
23
18

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
41
36
32
29
26
27
28
29
33
36
40
44
47
50
50
51
51
52
52

Pressure (mb)

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

Ozone (du)

310
314
317
317
316
316
317
318
319
320
321
322
321
320
319
320
320
320
318
317

Forecast for Nether Heyford, Northamptonshire, United Kingdom (52.22,-1.04)

Generated: 10/08/26 11:44:42. Forecast: 10/08/26 to 16/08/26. Timezone: UTC+1.00