Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 8

Waning Crescent 4%

03:59

18:37

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

Sun - Rise: 06:28, Set: 19:34, Transit: 13:00. Moon - Rise: 03:59, Set: 18:37. Civil Dark: 20:08 - 05:54. Nautical Dark: 20:50 - 05:12. Astro Dark: 21:35 - 04:27

Total Clouds (% Sky Obscured)

86
87
70
67
41
33
2
2
3
20
29
31
10
17
41
53
43
44
37
30
42
53
62
65

Low Clouds (% Sky Obscured)

62
26
34
25
25
12
1
1
1
20
29
29
9
15
41
53
35
35
31
28
42
52
59
65

Medium Clouds (% Sky Obscured)

75
73
1
0
8
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

25
0
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 (%)

80
82
70
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
9
2
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
8
7
10
13
14
13
12
11
11
11
11
10
10
10
10
10
10
9
10
11
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
6
6
7
6
8
9
9
9
9
9
9
9
8
8
7
7
8
8
9
9
9
9

Relative Humidity (%)

87
84
54
46
45
46
58
68
73
77
80
80
81
83
83
79
77
80
81
77
72
66
60
57

Pressure (mb)

1008
1007
1007
1007
1007
1008
1008
1009
1010
1011
1011
1011
1012
1012
1012
1013
1013
1014
1015
1015
1016
1017
1017
1017

Ozone (du)

323
339
347
333
333
333
336
339
342
342
342
346
353
356
345
342
339
339
338
337
335
336
337
335

Wednesday 9

Waning Crescent 1%

05:26

18:54

13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK
19 OK
20 Good
21 Bad
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
11 OK
12 Bad

Sun - Rise: 06:30, Set: 19:31, Transit: 12:59. Moon - Rise: 05:26, Set: 18:54. Civil Dark: 20:06 - 05:56. Nautical Dark: 20:47 - 05:14. Astro Dark: 21:32 - 04:30

Total Clouds (% Sky Obscured)

92
94
93
41
44
35
29
7
52
22
31
88
100
100
100
100
100
98
96
93
85
81
39
58

Low Clouds (% Sky Obscured)

64
52
61
24
10
17
20
7
39
20
16
5
23
22
14
4
0
0
8
13
12
16
0
33

Medium Clouds (% Sky Obscured)

15
12
8
4
5
6
0
1
22
0
0
0
0
0
0
0
13
18
16
13
30
64
1
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
6
88
100
100
100
100
100
97
42
30
25
25
22
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
9
9
8
8
7
5
3
2
2
2
2
2
3
3
3
3
4
4
4
6
8
10
11

Chance of Frost

Temperature (°C)

18
18
19
18
18
18
17
15
14
13
13
12
12
10
10
10
9
9
9
11
13
15
17
18

Feels Like (°C)

14
15
15
15
16
17
17
15
15
13
13
12
11
9
8
7
7
7
7
8
10
12
14
15

Dew Point (°C)

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

Relative Humidity (%)

57
54
50
48
48
53
63
67
68
65
67
72
76
78
80
82
82
84
78
74
71
65
55
47

Pressure (mb)

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

Ozone (du)

334
333
334
334
331
329
327
324
322
320
319
316
315
314
312
310
308
307
306
306
308
310
311
313

Thursday 10

Waning Crescent 1%

06:50

19:07

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 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:32, Set: 19:29, Transit: 12:59. Moon - Rise: 06:50, Set: 19:07. Civil Dark: 20:03 - 05:57. Nautical Dark: 20:45 - 05:16. Astro Dark: 21:29 - 04:32

Total Clouds (% Sky Obscured)

52
50
99
100
100
100
100
100
100
100
99
100
98
85
80
50
41
35
37
41
47
45
49
68

Low Clouds (% Sky Obscured)

35
50
54
35
37
28
85
100
87
92
91
100
95
78
73
47
36
32
37
41
47
45
48
57

Medium Clouds (% Sky Obscured)

8
10
14
13
15
16
100
100
84
100
35
74
14
10
9
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
3
54
100
100
100
100
100
100
100
18
0
0
0
0
0
0
0
0
0
0
0
2
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
9
5
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
Very Light Rain
Light Rain
None
Light Rain
Moderate Rain
Moderate Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
7
72
90
32
95
95
95
92
22
15
14
4
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.4
0
0.5
2.6
3
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
17
16
15
14
13
12
12
12
12
12
12
12
13
13
14
13
13
14
14
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

44
42
43
44
52
60
66
68
70
85
89
90
90
92
93
92
89
93
93
87
82
75
68
64

Pressure (mb)

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

Ozone (du)

311
308
304
302
300
299
299
299
301
307
316
313
313
315
314
316
317
316
318
319
319
319
317
316

Friday 11

New Moon 0%

08:11

19:18

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

Sun - Rise: 06:33, Set: 19:27, Transit: 12:59. Moon - Rise: 08:11, Set: 19:18. Civil Dark: 20:01 - 05:59. Nautical Dark: 20:42 - 05:18. Astro Dark: 21:26 - 04:34

Total Clouds (% Sky Obscured)

77
77
77
73
68
63
62
61
80
85
85
98
85
64
44
63
73
81
67
56
51
66
71
70

Low Clouds (% Sky Obscured)

69
65
31
32
29
23
25
25
32
30
28
22
20
22
20
12
5
0
0
0
0
4
7
10

Medium Clouds (% Sky Obscured)

0
0
0
0
68
63
59
0
0
0
0
0
0
0
0
0
0
1
4
37
4
12
4
5

High Clouds (% Sky Obscured)

25
20
25
20
15
15
31
54
75
80
80
96
82
51
20
63
73
81
67
56
51
66
68
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
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
10
9
9
8
9
7
6
5
5
4
4
3
3
2
2
2
2
2
3
3
4
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
16
17
16
14
13
14
14
13
12
12
10
9
10
10
8
8
7
9
11
12
13
15

Dew Point (°C)

12
12
10
9
9
9
9
9
8
8
8
8
8
8
8
7
7
7
7
7
7
8
7
7

Relative Humidity (%)

62
64
57
50
53
56
59
66
67
70
75
77
79
80
83
84
85
87
87
78
70
62
54
49

Pressure (mb)

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

Ozone (du)

315
312
312
311
312
314
314
314
315
312
311
306
302
301
299
297
296
297
296
296
296
297
297
297

Saturday 12

Waxing Crescent 2%

09:31

19:30

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
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:35, Set: 19:24, Transit: 12:58. Moon - Rise: 09:31, Set: 19:30. Civil Dark: 19:58 - 06:01. Nautical Dark: 20:39 - 05:20. Astro Dark: 21:23 - 04:36

Total Clouds (% Sky Obscured)

67
76
89
83
100
100
94
87
73
84
86
89
92
96
100
96
92
90
87
82
80
77
74
73

Low Clouds (% Sky Obscured)

17
23
28
21
16
14
11
5
3
0
5
14
30
45
64
77
91
90
84
74
66
67
66
66

Medium Clouds (% Sky Obscured)

7
5
3
0
0
0
1
33
10
17
42
15
40
67
91
89
87
85
75
49
12
10
8
6

High Clouds (% Sky Obscured)

48
70
89
83
100
100
87
75
54
61
65
70
80
90
100
79
63
58
33
17
2
2
3
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
9
5
5
5
4
6
8
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
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
5
15
55
50
68
82
91
95
95
95
72
42
16
22
23
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0
0.4
0.5
0.6
0.7
0.7
0.8
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
10
11
10
9
8
8
8
7
7
7
7
8
7
8
7
8
8
9
9
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
41
39
39
39
44
53
60
62
70
78
86
87
89
89
92
92
95
96
90
85
79
76
71

Pressure (mb)

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

Ozone (du)

296
295
294
295
295
296
297
297
296
295
294
293
293
294
295
296
302
308
313
314
316
317
313
309

Sunday 13

Waxing Crescent 7%

10:50

19:42

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 OK
08 OK
09 OK
10 OK
11 OK
12 OK

Sun - Rise: 06:36, Set: 19:22, Transit: 12:58. Moon - Rise: 10:50, Set: 19:42. Civil Dark: 19:56 - 06:02. Nautical Dark: 20:37 - 05:22. Astro Dark: 21:21 - 04:38

Total Clouds (% Sky Obscured)

73
73
74
76
82
89
92
95
99
99
100
100
99
97
96
78
60
42
35
28
21
21
18
21

Low Clouds (% Sky Obscured)

65
65
64
66
68
70
67
64
62
41
21
0
0
0
0
0
0
0
0
0
0
0
2
2

Medium Clouds (% Sky Obscured)

5
1
0
0
0
0
0
3
6
22
38
55
44
32
26
26
23
19
14
10
8
6
3
3

High Clouds (% Sky Obscured)

14
18
21
42
68
89
92
95
99
99
99
100
87
82
81
66
45
21
15
9
5
5
4
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 (%)

17
14
12
14
12
3
4
6
0
0
0
0
3
3
1
2
3
0
2
4
2
3
3
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
11
11
9
8
6
5
5
5
4
4
4
5
5
6
7
7
7
8
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
18
18
18
18
19
20
19
19
20
19
19
18
17
16
17
16
16
16
16
16
16
17
18

Dew Point (°C)

14
13
13
13
13
14
15
15
15
15
14
14
14
14
14
14
14
14
14
13
13
13
13
13

Relative Humidity (%)

69
66
63
61
64
68
72
75
77
80
81
82
83
86
89
90
92
92
93
85
77
70
64
58

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

305
301
298
294
293
293
292
290
288
285
283
281
279
278
277
276
275
275
274
274
273
273
273
273

Monday 14

Waxing Crescent 13%

12:08

19:57

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

Sun - Rise: 06:38, Set: 19:20, Transit: 12:58. Moon - Rise: 12:08, Set: 19:57. Civil Dark: 19:53 - 06:04. Nautical Dark: 20:34 - 05:23. Astro Dark: 21:18 - 04:40

Total Clouds (% Sky Obscured)

39
53
69
60
52
41
34
27
21
36
58
80
85
83
59
56
73
92

Low Clouds (% Sky Obscured)

5
10
13
15
9
4
4
4
4
12
19
30
35
36
44
49
60
74

Medium Clouds (% Sky Obscured)

6
5
5
4
5
3
2
1
1
5
10
15
17
15
20
19
18
13

High Clouds (% Sky Obscured)

6
8
8
10
15
19
13
7
1
1
1
1
28
56
59
56
30
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7

Fog (%)

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

Precipitation Probability (%)

3
1
0
0
0
0
0
0
1
3
5
2
21
28
31
55
54
49

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
25
24
22
23
24
24
19
19
20
19
19
18
17
17
17
17
17

Dew Point (°C)

12
12
12
13
13
14
15
15
16
16
16
16
16
16
16
16
16
15

Relative Humidity (%)

52
51
50
49
55
61
69
76
85
93
95
95
96
96
98
98
93
90

Pressure (mb)

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

Ozone (du)

273
273
273
273
274
274
274
277
280
282
282
281
280
280
279
279
279
279

Forecast for Loughton, Milton Keynes, United Kingdom (52.03,-0.77)

Generated: 08/09/26 13:43:18. Forecast: 08/09/26 to 14/09/26. Timezone: UTC+1.00