Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Gibbous 83%

18:26

01:34

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

Sun - Rise: 06:15, Set: 20:18, Transit: 13:16. Moon - Rise: 18:26, Set: 01:34. Civil Dark: 20:53 - 05:41. Nautical Dark: 21:37 - 04:57. Astro Dark: 22:27 - 04:08

Total Clouds (% Sky Obscured)

22
39
53
55
45
39
50
53
34
22
2
3
3
16
46
66
73
100
100
93
100
89
86
48

Low Clouds (% Sky Obscured)

22
6
0
0
0
4
6
32
14
7
0
0
0
0
0
0
0
9
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
9
11
12
9
6
0
0
0
1
5
5
5
2
0
0
0
1
41
4

High Clouds (% Sky Obscured)

22
39
53
33
30
1
1
1
0
0
1
1
2
13
40
62
73
100
100
93
100
89
82
48

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
4
4
3
5
7
8
9
10
12
12
10
9
7
3
1
2
3
4
4
4
5
6
6

Chance of Frost

Temperature (°C)

8
8
12
17
18
21
22
23
23
22
22
22
21
20
18
16
14
12
11
10
10
11
12
12

Feels Like (°C)

6
6
10
15
16
18
21
21
21
20
19
21
20
19
18
18
15
12
9
9
9
10
11
11

Dew Point (°C)

6
6
7
8
8
8
9
9
9
9
11
11
11
11
13
13
11
9
8
8
8
10
11
11

Relative Humidity (%)

90
85
72
58
50
44
41
40
41
44
49
51
52
57
73
82
83
84
85
85
85
88
92
93

Pressure (mb)

1025
1025
1025
1026
1026
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1020

Ozone (du)

355
355
355
356
356
355
354
352
350
349
347
347
347
347
346
343
342
340
339
338
335
332
329
326

Monday 24

Waxing Gibbous 90%

18:58

02:45

06 OK
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 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:16, Set: 20:16, Transit: 13:16. Moon - Rise: 18:58, Set: 02:45. Civil Dark: 20:51 - 05:43. Nautical Dark: 21:34 - 04:59. Astro Dark: 22:24 - 04:11

Total Clouds (% Sky Obscured)

38
45
65
80
98
100
94
89
100
100
100
100
82
73
69
97
96
99
100
97
97
100
100
93

Low Clouds (% Sky Obscured)

0
0
0
0
4
12
3
3
3
3
3
8
0
0
0
24
19
32
40
53
40
40
43
60

Medium Clouds (% Sky Obscured)

3
9
13
64
97
92
94
89
93
74
69
58
38
26
29
97
89
19
76
50
25
99
93
67

High Clouds (% Sky Obscured)

34
33
35
49
82
100
81
64
98
100
98
100
12
10
0
8
29
74
85
10
94
100
100
27

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
1
3
3
6
27
33
27
27
15
3
0
2
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)

6
7
11
16
17
18
18
19
19
18
18
16
15
12
12
8
9
10
11
12
11
11
10
8

Chance of Frost

Temperature (°C)

13
13
14
16
18
20
21
22
23
23
23
23
23
22
20
19
18
17
17
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

12
11
11
10
9
9
9
8
7
5
4
7
9
8
7
8
9
10
11
12
12
13
12
12

Relative Humidity (%)

93
92
79
65
52
48
43
40
36
31
29
35
40
39
42
47
56
62
68
73
78
81
77
80

Pressure (mb)

1020
1020
1020
1019
1019
1018
1017
1016
1016
1015
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010

Ozone (du)

322
322
323
322
321
322
324
325
327
328
328
329
328
330
329
329
328
327
327
326
325
324
328
331

Tuesday 25

Waxing Gibbous 95%

19:22

04:00

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 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:18, Set: 20:13, Transit: 13:16. Moon - Rise: 19:22, Set: 04:00. Civil Dark: 20:48 - 05:44. Nautical Dark: 21:32 - 05:01. Astro Dark: 22:21 - 04:13

Total Clouds (% Sky Obscured)

89
97
95
86
66
71
79
81
81
100
100
86
87
76
78
78
62
64
62
66
76
86
90
90

Low Clouds (% Sky Obscured)

64
84
72
65
56
61
70
66
57
58
25
23
35
35
72
78
62
64
62
61
68
80
79
68

Medium Clouds (% Sky Obscured)

89
97
86
63
24
30
26
30
20
16
12
14
85
76
78
57
46
32
7
9
8
4
0
0

High Clouds (% Sky Obscured)

35
27
9
1
0
0
11
80
81
100
100
33
2
1
19
9
1
1
3
16
28
31
42
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
9
9
7
1
3
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
Very Light Rain
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
11
35
27
28
36
48
37
40
50
34
30
43
34
19
14
17
14
5
5
6
1
3
3

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0
0
0.4
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
10
13
15
14
14
14
13
12
12
10
8
7
5
4
4
4
5
4
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
10
9
7
7
10
11
12
14
16
17
18
18
17
17
16
16
16
15
14
14

Relative Humidity (%)

85
82
79
71
57
51
44
44
48
52
60
69
73
85
92
96
96
96
98
100
100
98
98
98

Pressure (mb)

1010
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

334
335
334
333
331
328
322
319
319
320
319
321
321
321
321
322
322
322
322
322
324
324
324
323

Wednesday 26

Waxing Gibbous 99%

19:41

05:15

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 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:19, Set: 20:11, Transit: 13:15. Moon - Rise: 19:41, Set: 05:15. Civil Dark: 20:46 - 05:46. Nautical Dark: 21:29 - 05:03. Astro Dark: 22:18 - 04:15

Total Clouds (% Sky Obscured)

96
93
94
87
94
96
98
99
98
96
99
99
98
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
59
56
51
39
54
49
49
62
61
48
15
23
68
64
87
88
85
72
71
64
67
68
34

Medium Clouds (% Sky Obscured)

0
7
7
5
5
5
3
12
62
39
90
93
94
94
74
54
99
96
73
92
100
99
91
0

High Clouds (% Sky Obscured)

67
59
55
24
56
77
95
97
79
65
78
98
97
98
99
100
72
100
99
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
7
7
7
7
7
7
3
9
6
5
9
8
9
3
2
9
9
3
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
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

1
2
2
3
5
11
22
18
14
12
20
20
56
95
84
73
94
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.3
0.3
0.5
0.6
1.3
3.1
5.6
9.1
3.6
2.5

Wind Speed/Direction (mph)

2
2
4
6
9
11
13
15
14
13
14
13
11
11
9
8
8
8
10
10
8
8
8
6

Chance of Frost

Temperature (°C)

15
15
17
18
20
21
21
22
22
22
22
22
21
20
19
19
18
18
18
18
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
92
85
76
69
68
68
67
67
63
63
73
82
96
98
98
96
96
96
98
98
98
95

Pressure (mb)

1009
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1009
1008
1008
1008
1007
1006
1005
1005
1004
1003

Ozone (du)

322
322
324
325
325
326
327
328
330
329
328
326
327
325
327
328
331
332
332
334
337
340
343
346

Thursday 27

Waxing Gibbous 100%

19:56

No Set

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 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:21, Set: 20:09, Transit: 13:15. Moon - Rise: 19:56, Set: No Set. Civil Dark: 20:44 - 05:48. Nautical Dark: 21:27 - 05:05. Astro Dark: 22:15 - 04:18

Total Clouds (% Sky Obscured)

98
95
84
77
72
77
77
95
94
91
93
90
100
99
97
96
92
88
84
75
65
56
60
64

Low Clouds (% Sky Obscured)

25
52
50
41
33
27
23
31
26
26
26
26
29
13
9
5
6
6
8
11
14
15
16
14

Medium Clouds (% Sky Obscured)

0
0
0
5
0
5
9
78
20
16
20
23
23
12
14
16
14
12
11
11
10
11
8
5

High Clouds (% Sky Obscured)

97
77
23
4
4
8
12
54
70
91
93
90
100
99
97
96
86
79
72
68
62
50
51
54

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
73
39
47
51
79
67
52
37
18
17
12
26
32
34
35
34
31
29
25
17
24
26

Precipitation Amount (mm)

2.2
1.3
0.5
0
0
0
0.7
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
7
7
10
11
13
14
14
14
15
15
15
14
11
8
5
3
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
84
72
64
59
67
59
54
50
45
45
53
64
77
92
92
92
92
93
93
93
93

Pressure (mb)

1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1004
1004
1003
1003
1003

Ozone (du)

348
346
347
348
350
351
350
349
350
349
349
348
347
346
345
345
345
345
346
347
346
345
344
344

Friday 28

Full Moon 99%

20:09

06:31

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

Sun - Rise: 06:22, Set: 20:07, Transit: 13:15. Moon - Rise: 20:09, Set: 06:31. Civil Dark: 20:42 - 05:49. Nautical Dark: 21:24 - 05:07. Astro Dark: 22:12 - 04:20

Total Clouds (% Sky Obscured)

68
54
39
30
55
78
100
100
100
100
97
93
90
95
97
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

13
14
15
17
20
23
26
44
56
68
61
54
42
29
17
4
35
67
98
82
68
53
53
54

Medium Clouds (% Sky Obscured)

2
3
3
4
12
21
29
33
36
40
32
21
10
38
63
92
95
98
100
84
68
52
66
80

High Clouds (% Sky Obscured)

55
36
17
0
31
62
94
83
79
73
79
84
89
92
96
100
99
98
98
97
96
96
84
68

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

Precipitation Probability (%)

22
27
26
16
20
14
12
17
21
22
31
30
23
28
37
36
61
77
91
90
82
57
49
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
0.6
0.5
0.2
0
0

Wind Speed/Direction (mph)

4
4
5
6
9
8
8
9
10
10
12
11
11
12
11
10
9
10
11
11
12
12
13
12

Chance of Frost

Temperature (°C)

13
13
15
17
18
20
21
23
22
22
21
21
20
19
18
17
16
16
16
16
16
16
16
16

Feels Like (°C)

13
13
14
15
16
17
17
17
23
22
20
20
19
19
17
16
16
15
15
15
14
14
15
14

Dew Point (°C)

12
12
12
13
13
12
11
10
10
11
11
11
10
10
11
12
13
14
14
15
15
15
15
14

Relative Humidity (%)

93
92
84
78
71
61
51
45
47
49
51
53
54
55
62
72
81
86
89
92
92
92
92
90

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004

Ozone (du)

344
344
343
343
342
342
342
342
342
341
341
339
337
335
334
334
334
336
337
339
340
341
341
340

Saturday 29

Waning Gibbous 96%

20:21

07:47

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 Bad
00 Bad

Sun - Rise: 06:24, Set: 20:05, Transit: 13:14. Moon - Rise: 20:21, Set: 07:47. Civil Dark: 20:39 - 05:51. Nautical Dark: 21:22 - 05:09. Astro Dark: 22:09 - 04:22

Total Clouds (% Sky Obscured)

98
96
95
94
88
82
78
72
66
61
60
59
59
62
66
72
73
72
72

Low Clouds (% Sky Obscured)

56
50
44
36
34
30
27
37
46
55
55
54
54
50
45
41
52
63
72

Medium Clouds (% Sky Obscured)

95
92
89
85
74
63
52
36
20
4
2
2
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

53
37
24
15
13
19
16
11
3
0
0
0
0
0
0
1
1
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

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 (%)

17
17
19
11
22
23
18
25
28
30
27
25
19
19
20
6
11
14
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
14
14
13
14
14
18
17
17
17
17
17
13
13
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

89
87
83
78
72
64
57
50
52
54
56
62
68
76
77
79
82
82
83

Pressure (mb)

1004
1005
1005
1005
1006
1006
1006
1007
1007
1007
1008
1008
1008
1008
1009
1009
1009
1010
1010

Ozone (du)

338
336
336
335
335
333
332
331
327
323
319
319
319
319
317
315
313
313
312

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 23/08/26 06:34:25. Forecast: 23/08/26 to 29/08/26. Timezone: UTC+1.00