Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

First Quarter 56%

16:52

23:05

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

Sun - Rise: 06:16, Set: 20:27, Transit: 13:20. Moon - Rise: 16:52, Set: 23:05. Civil Dark: 21:03 - 05:40. Nautical Dark: 21:47 - 04:56. Astro Dark: 22:38 - 04:05

Total Clouds (% Sky Obscured)

79
67
62
44
42
45
62
81
87
94
98
79
69
72
78
77
64
68
73
64
57
58
54
44

Low Clouds (% Sky Obscured)

36
37
42
41
39
42
57
75
81
80
82
60
56
60
66
68
57
59
63
60
57
58
53
44

Medium Clouds (% Sky Obscured)

0
0
1
2
1
0
6
21
31
37
47
48
34
23
21
17
12
10
11
3
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

2
1
1
0
0
3
3
6
7
10
14
17
12
15
13
30
52
56
44
33
15
11
5
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
15
12
9
8
7
7
7
8
8
7
7
7
9
12
13
13
13
13
13
14
13
14
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
13
13
12
12
11
10
10
10
10
10
11
12
12
13
13
13
14
13
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

69
80
92
90
93
95
95
83
75
74
76
81
91
79
68
60
57
59
59
55
53
53
56
59

Pressure (mb)

1010
1011
1011
1012
1012
1012
1013
1012
1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

343
342
342
341
341
342
346
347
347
345
342
344
346
349
349
349
350
351
352
354
355
357
359
362

Friday 21

Waxing Gibbous 66%

17:46

23:45

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

Sun - Rise: 06:17, Set: 20:25, Transit: 13:20. Moon - Rise: 17:46, Set: 23:45. Civil Dark: 21:00 - 05:42. Nautical Dark: 21:45 - 04:58. Astro Dark: 22:35 - 04:08

Total Clouds (% Sky Obscured)

26
16
6
0
10
28
29
29
25
27
8
1
5
2
3
12
81
78
83
80
88
88
86
93

Low Clouds (% Sky Obscured)

26
16
6
0
10
26
29
29
25
26
8
1
4
1
1
1
56
60
64
61
59
65
81
89

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
26
30
28
32
33
14
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
1
2
12
45
50
45
35
25
25
22
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 (%)

2
2
2
3
3
3
5
1
2
2
3
4
3
4
1
1
2
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
9
6
5
5
5
5
4
4
4
3
3
2
3
5
6
6
6
7
6
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
11
10
11
10
10
10
10
10
10
11
14
15
16
16
16
16
16
16
16
17
16

Dew Point (°C)

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

Relative Humidity (%)

60
67
81
87
90
91
91
91
90
88
87
87
84
73
60
50
45
41
42
51
57
52
49
50

Pressure (mb)

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

Ozone (du)

361
361
362
361
360
358
357
357
358
357
357
356
354
354
354
354
352
349
347
346
346
346
346
346

Saturday 22

Waxing Gibbous 75%

18:29

00:37

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 Good
08 Good
09 Good
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:19, Set: 20:23, Transit: 13:20. Moon - Rise: 18:29, Set: 00:37. Civil Dark: 20:58 - 05:44. Nautical Dark: 21:42 - 05:00. Astro Dark: 22:32 - 04:10

Total Clouds (% Sky Obscured)

55
49
100
100
100
100
96
100
100
68
51
89
13
5
13
80
80
80
76
72
70
73
80
91

Low Clouds (% Sky Obscured)

41
12
16
17
0
0
0
0
0
0
0
0
0
0
0
0
14
42
44
46
53
35
19
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
49
36
30
21
11
6
0

High Clouds (% Sky Obscured)

25
45
100
100
100
100
96
100
100
66
47
88
13
5
12
70
75
70
47
23
2
22
51
78

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
1
2
0
0
1
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
5
5
5
5
5
5
4
4
4
4
3
3
3
5
6
7
8
10
10
9
8
7

Chance of Frost

Temperature (°C)

17
16
13
12
12
11
11
11
11
11
11
11
11
13
17
19
20
21
21
21
21
21
20
19

Feels Like (°C)

15
14
11
10
10
9
9
9
9
8
8
8
9
13
17
19
20
20
20
19
19
20
20
19

Dew Point (°C)

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

Relative Humidity (%)

54
66
80
84
86
86
84
84
81
80
77
73
68
56
46
40
37
34
34
37
41
41
43
46

Pressure (mb)

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

Ozone (du)

348
349
350
351
352
351
353
354
352
352
353
356
358
358
357
357
355
354
351
348
345
343
343
340

Sunday 23

Waxing Gibbous 83%

19:01

01:39

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK

Sun - Rise: 06:20, Set: 20:21, Transit: 13:19. Moon - Rise: 19:01, Set: 01:39. Civil Dark: 20:56 - 05:45. Nautical Dark: 21:40 - 05:02. Astro Dark: 22:29 - 04:13

Total Clouds (% Sky Obscured)

95
86
95
100
100
100
100
100
100
100
100
100
100
100
100
98
95
93
77
69
56
55
42
40

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
40
15
15
24
24
27
20
18
16
14

Medium Clouds (% Sky Obscured)

0
0
0
6
13
20
33
45
83
79
49
75
94
99
90
94
86
69
64
69
41
15
42
22

High Clouds (% Sky Obscured)

81
68
82
100
100
100
100
100
100
100
100
100
100
100
100
68
37
10
3
11
12
12
4
18

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
2
3
3
4
4
8
9
8
7
6
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
4
3
5
5
6
6
7
8
8
10
13
14
17
18
20
21
21
21
21
21
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
16
16
14
12
11
11
11
10
10
10
11
11
12
12
13
13
14
14
15
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

52
72
80
80
74
74
70
66
66
66
69
74
74
70
65
52
41
34
34
35
34
35
38
39

Pressure (mb)

1022
1022
1023
1022
1022
1021
1021
1020
1020
1019
1018
1018
1017
1017
1016
1016
1015
1015
1014
1013
1013
1012
1012
1011

Ozone (du)

339
338
335
332
329
327
328
328
329
328
328
329
329
328
328
329
329
329
329
329
329
328
327
326

Monday 24

Waxing Gibbous 90%

19:01

02:50

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
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

Sun - Rise: 06:22, Set: 20:19, Transit: 13:19. Moon - Rise: 19:01, Set: 02:50. Civil Dark: 20:54 - 05:47. Nautical Dark: 21:37 - 05:04. Astro Dark: 22:26 - 04:15

Total Clouds (% Sky Obscured)

48
71
100
76
58
38
44
47
50
56
61
68
80
87
94
94
93
92
84
77
71
76
81
85

Low Clouds (% Sky Obscured)

20
30
41
39
34
34
34
43
45
45
45
48
54
69
82
75
68
61
60
58
57
63
67
68

Medium Clouds (% Sky Obscured)

13
18
38
28
49
38
44
47
50
56
61
68
67
56
44
30
21
12
12
11
9
13
18
24

High Clouds (% Sky Obscured)

28
43
100
49
58
38
35
35
35
35
16
4
50
64
82
77
73
71
52
39
33
39
42
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
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 (%)

1
0
0
0
0
0
3
9
3
2
3
3
11
15
15
14
12
10
13
12
10
15
17
16

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
7
7
7
8
8
9
10
9
10
11
11
13
13
14
14
15
16
16
16
16
16
16

Relative Humidity (%)

42
47
49
49
52
55
55
63
63
62
66
72
69
69
66
64
66
69
73
71
71
70
75
81

Pressure (mb)

1011
1010
1010
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008

Ozone (du)

326
325
324
324
324
324
325
326
327
330
330
328
327
325
324
322
322
321
321
320
320
319
318
318

Tuesday 25

Waxing Gibbous 95%

19:25

04:04

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

Sun - Rise: 06:23, Set: 20:17, Transit: 13:19. Moon - Rise: 19:25, Set: 04:04. Civil Dark: 20:52 - 05:49. Nautical Dark: 21:35 - 05:06. Astro Dark: 22:23 - 04:18

Total Clouds (% Sky Obscured)

88
92
95
94
93
92
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97

Low Clouds (% Sky Obscured)

72
82
91
86
80
73
74
77
80
79
78
77
69
60
53
53
53
53
64
77
89
85
80
76

Medium Clouds (% Sky Obscured)

38
47
53
49
52
59
64
70
72
72
71
70
59
47
37
54
66
79
84
91
98
96
96
97

High Clouds (% Sky Obscured)

49
51
55
47
48
59
73
84
94
96
98
100
99
99
98
99
99
100
100
100
100
83
64
41

ISS Passover

Visibility (miles)

9
7
5
4
5
7
9
9
9
9
9
9
9
9
8
7
6
6
5
6
7
8
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

25
31
36
38
39
41
35
28
15
13
11
5
17
24
26
36
44
51
77
95
95
95
95
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.9
0.6
0.7
0.2

Wind Speed/Direction (mph)

11
10
9
8
8
7
7
8
8
9
10
10
11
13
15
18
18
17
17
15
13
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
17
17
17
17
17
17
17
17
17
17
17
17
16
16
16
17
17
18
16
15
15
15
16

Dew Point (°C)

16
16
16
16
17
17
17
16
16
16
16
16
16
16
17
17
17
17
17
17
16
16
16
16

Relative Humidity (%)

86
90
93
98
98
100
100
98
98
98
96
98
96
92
90
86
88
89
90
90
89
89
89
92

Pressure (mb)

1008
1008
1008
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006

Ozone (du)

317
317
317
317
317
318
319
320
322
323
324
325
327
327
328
328
328
327
327
327
327
326
329
331

Wednesday 26

Waxing Gibbous 99%

19:44

05:20

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: 06:25, Set: 20:15, Transit: 13:19. Moon - Rise: 19:44, Set: 05:20. Civil Dark: 20:49 - 05:50. Nautical Dark: 21:32 - 05:07. Astro Dark: 22:20 - 04:20

Total Clouds (% Sky Obscured)

97
97
98
98
97
97
85
68
53
63
71
76
63
51
45
51
55
44

Low Clouds (% Sky Obscured)

79
80
81
80
80
78
68
58
48
50
55
57
55
47
45
42
38
32

Medium Clouds (% Sky Obscured)

89
77
67
47
34
21
21
12
0
1
2
2
3
3
3
4
5
5

High Clouds (% Sky Obscured)

30
23
20
39
49
45
39
32
24
34
48
66
49
31
13
29
44
44

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

59
51
31
40
44
43
41
32
10
18
22
24
25
24
21
25
27
31

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
11
10
8
9
10
9
7
6
6
5
5
7
9
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
14
15
15
15
16
15
14
14
14
15
14
15
16
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

92
93
95
95
95
96
96
96
93
93
92
93
92
86
81
76
68
62

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005

Ozone (du)

333
338
343
347
347
347
347
347
348
349
349
349
350
350
350
350
350
349

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.43)

Generated: 20/08/26 18:21:50. Forecast: 20/08/26 to 26/08/26. Timezone: UTC+1.00