Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 15

Waning Crescent 3%

04:34

19:43

11 Bad
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
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: 05:22, Set: 20:56, Transit: 13:10. Moon - Rise: 04:34, Set: 19:43. Civil Dark: 21:36 - 04:42. Nautical Dark: 22:31 - 03:47. Astro Dark: 23:49 - 02:27

Total Clouds (% Sky Obscured)

36
40
42
72
45
45
13
17
0
0
0
7
26
84
85
83
86
92
94
91
92
90
100
100

Low Clouds (% Sky Obscured)

36
40
40
68
45
45
13
17
0
0
0
0
0
28
31
29
26
73
79
72
79
83
100
100

Medium Clouds (% Sky Obscured)

28
0
0
22
0
0
0
0
0
0
0
4
12
32
35
35
37
92
94
90
86
75
77
95

High Clouds (% Sky Obscured)

36
40
14
7
8
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
12

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
1
1
1

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 (%)

14
0
4
14
1
4
1
0
0
0
0
0
0
0
0
1
4
27
46
43
36
29
27
32

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
13
14
15
15
16
15
14
14
11
8
7
6
5
4
3
3
2
1
1
1
2
4
6

Chance of Frost

Temperature (°C)

12
13
14
14
13
13
12
12
11
10
8
7
6
5
5
5
5
4
5
6
7
8
9
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
61
59
58
59
60
63
61
63
66
73
81
83
90
91
89
89
91
90
90
85
84
84
84

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

399
399
398
394
391
389
389
387
387
388
388
389
389
387
386
386
385
384
385
387
389
389
386
383

Saturday 16

New Moon 0%

05:06

21:16

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:21, Set: 20:57, Transit: 13:10. Moon - Rise: 05:06, Set: 21:16. Civil Dark: 21:38 - 04:40. Nautical Dark: 22:33 - 03:45. Astro Dark: 23:53 - 02:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
94
96
97
97
100
97
94
95
99
100
74
97
100
100
70
78

Low Clouds (% Sky Obscured)

97
89
81
74
78
70
75
75
57
71
80
89
85
80
74
56
54
38
43
33
33
52
49
53

Medium Clouds (% Sky Obscured)

95
94
97
100
99
100
100
96
67
83
82
40
45
89
84
76
61
65
70
66
83
76
40
57

High Clouds (% Sky Obscured)

13
97
100
100
98
100
100
100
36
14
0
41
81
58
49
40
90
100
72
96
100
100
40
35

ISS Passover

Visibility (miles)

9
9
9
9
8
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
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

30
68
55
39
44
32
31
49
31
15
32
37
32
32
12
14
8
1
0
2
0
2
4
16

Precipitation Amount (mm)

0
0.6
0.2
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
84
80
87
89
86
78
76
81
84
88
90
88
95
95
95
95
96
93
93
84
75
66

Pressure (mb)

1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012

Ozone (du)

383
384
385
385
384
383
384
388
392
398
398
396
392
392
395
401
407
409
412
411
411
413
415
417

Sunday 17

Waxing Crescent 1%

05:53

22:46

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:20, Set: 20:59, Transit: 13:10. Moon - Rise: 05:53, Set: 22:46. Civil Dark: 21:40 - 04:39. Nautical Dark: 22:35 - 03:43. Astro Dark: 23:57 - 02:18

Total Clouds (% Sky Obscured)

94
100
100
100
100
100
100
100
100
100
100
93
100
98
92
83
96
74
64
99
99
84
84
100

Low Clouds (% Sky Obscured)

55
53
43
37
32
37
22
16
16
27
50
53
81
49
46
54
53
31
45
55
60
43
39
54

Medium Clouds (% Sky Obscured)

68
100
100
100
100
100
100
100
100
100
100
93
100
97
88
73
89
62
27
64
59
64
60
65

High Clouds (% Sky Obscured)

83
100
100
100
72
76
80
26
20
15
20
1
0
0
0
0
5
8
3
6
30
46
71
93

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

8
18
7
20
34
43
39
28
22
17
23
42
56
71
81
88
62
48
37
50
41
45
45
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
60
59
58
57
68
76
77
79
81
85
85
84
87
88
91
95
93
93
95
95
90
83
77

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1011
1011
1011
1011

Ozone (du)

418
419
419
420
422
423
424
424
424
424
427
427
423
417
414
413
418
422
423
413
407
400
396
391

Monday 18

Waxing Crescent 5%

06:59

00:00

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:19, Set: 21:00, Transit: 13:10. Moon - Rise: 06:59, Set: 00:00. Civil Dark: 21:41 - 04:37. Nautical Dark: 22:38 - 03:41. Astro Dark: 00:02 - 02:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

61
89
94
91
89
90
92
93
93
92
92
93
94
95
87
79
71
74
65
77
77
82
86
78

Medium Clouds (% Sky Obscured)

99
99
100
98
98
91
95
95
100
100
100
89
79
69
77
89
50
54
90
97
98
97
93
95

High Clouds (% Sky Obscured)

97
100
100
100
100
100
100
92
100
100
100
100
100
100
100
65
68
86
71
25
15
7
0
60

ISS Passover

Visibility (miles)

6
8
8
9
9
9
9
9
7
6
5
7
3
1
0
1
0
0
9
9
5
9
7
8

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

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

Precipitation Probability (%)

62
66
74
77
79
87
95
95
95
95
95
95
95
95
95
74
26
23
23
27
30
41
53
69

Precipitation Amount (mm)

0.3
0.3
0.4
0.4
0.3
0.4
0.9
0.9
1.3
1.1
0.4
0.9
1
0.6
0.9
0.4
0
0
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
66
69
79
87
84
87
87
92
96
96
96
98
98
98
98
98
98
95
93
92
90
90
90

Pressure (mb)

1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1008
1008
1007
1007
1006
1005
1005
1005
1005
1005
1006
1006
1006
1007

Ozone (du)

388
383
379
377
376
373
372
370
370
369
369
372
372
382
394
394
390
389
387
388
392
394
399
402

Tuesday 19

Waxing Crescent 12%

08:20

00:54

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:17, Set: 21:02, Transit: 13:10. Moon - Rise: 08:20, Set: 00:54. Civil Dark: 21:43 - 04:36. Nautical Dark: 22:40 - 03:39. Astro Dark: 00:07 - 02:09

Total Clouds (% Sky Obscured)

100
100
100
100
95
94
94
90
88
87
85
88
92
95
86
82
79
83
83
84
73
62
47
48

Low Clouds (% Sky Obscured)

70
57
56
55
49
53
60
58
55
56
52
56
61
66
66
67
67
76
81
84
73
62
47
48

Medium Clouds (% Sky Obscured)

97
100
100
60
65
60
49
39
40
45
43
45
39
37
41
49
63
67
65
58
40
23
5
12

High Clouds (% Sky Obscured)

78
100
100
99
60
50
30
1
6
1
5
10
10
15
20
52
70
64
53
43
20
8
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

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

Precipitation Probability (%)

79
79
69
67
58
62
69
56
47
38
24
29
24
12
30
27
3
6
8
5
10
11
8
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
19
20
20
20
19
18
16
15
14
12
11
10
9
8
8
7
8
7
7
7
10
12
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
10
11
12
12
12
12
12
12
11
11
10
11
10
10
9
10
9
9
12
13
14

Dew Point (°C)

13
12
12
11
9
9
11
13
12
11
11
11
10
11
11
11
10
10
10
11
11
12
12
12

Relative Humidity (%)

87
78
75
69
63
64
69
83
82
82
80
82
83
93
93
93
95
95
93
93
92
87
80
74

Pressure (mb)

1007
1007
1008
1008
1009
1009
1010
1010
1011
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1019

Ozone (du)

400
396
392
393
393
395
387
383
380
376
372
370
368
364
360
356
353
349
348
346
345
344
343
341

Wednesday 20

Waxing Crescent 21%

09:47

01:31

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

Sun - Rise: 05:16, Set: 21:03, Transit: 13:10. Moon - Rise: 09:47, Set: 01:31. Civil Dark: 21:45 - 04:34. Nautical Dark: 22:42 - 03:37. Astro Dark: 00:12 - 02:03

Total Clouds (% Sky Obscured)

47
45
57
77
90
95
98
100
98
97
95
88
77
49
34
33
46
67
85
89
95
97
100
99

Low Clouds (% Sky Obscured)

47
45
57
74
74
70
67
67
63
55
50
50
47
46
34
33
46
67
74
79
81
83
95
98

Medium Clouds (% Sky Obscured)

22
34
35
34
30
18
8
1
4
8
11
13
17
20
33
33
46
48
41
35
22
18
11
18

High Clouds (% Sky Obscured)

1
2
25
48
71
81
91
100
93
87
81
83
77
49
34
33
46
54
30
2
3
5
3
4

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 (%)

11
10
13
15
13
13
11
7
5
4
2
1
0
0
5
7
9
11
12
9
4
2
0
1

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)

15
16
17
15
14
13
11
10
9
7
6
5
4
4
4
4
4
5
5
5
4
6
8
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
13
12
12
12
12
13
13
12
12
11
11
10
9
9
9
9
10
10
11
11
12
13

Relative Humidity (%)

71
68
67
65
65
65
69
73
79
82
86
92
92
90
90
90
90
88
88
87
89
84
82
78

Pressure (mb)

1019
1020
1020
1020
1021
1021
1021
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025

Ozone (du)

339
338
336
336
336
336
336
335
334
335
336
336
337
338
339
339
340
340
340
339
339
338
337
337

Thursday 21

Waxing Crescent 31%

No Rise

01:56

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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: 05:15, Set: 21:04, Transit: 13:10. Moon - Rise: No Rise, Set: 01:56. Civil Dark: 21:46 - 04:33. Nautical Dark: 22:44 - 03:35. Astro Dark: 00:17 - 01:58

Total Clouds (% Sky Obscured)

98
97
84
71
58
52
48
41
48
55
62
52
51
52
56
67
71
75
76
80

Low Clouds (% Sky Obscured)

96
93
81
66
52
44
34
29
29
34
32
28
27
24
30
35
40
35
30
25

Medium Clouds (% Sky Obscured)

25
32
43
55
58
51
34
17
17
18
24
28
27
27
22
13
4
8
11
15

High Clouds (% Sky Obscured)

4
0
5
5
5
10
15
17
33
51
62
52
51
29
24
27
25
35
36
37

ISS Passover

Visibility (miles)

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

Wind Speed/Direction (mph)

11
11
11
10
10
10
9
9
8
7
6
4
4
4
4
4
4
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
13
13
13
13
12
11
11
11
11
11
11
11
11
12

Relative Humidity (%)

77
77
76
74
74
74
77
78
81
86
89
93
93
93
93
95
93
93
93
93

Pressure (mb)

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

Ozone (du)

337
337
337
339
341
343
342
341
340
341
342
343
343
344
345
344
344
344
343
343

Welcome to Clear Outside

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

Generated: 15/05/26 10:49:13. Forecast: 15/05/26 to 21/05/26. Timezone: UTC+1.00