Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

Waning Crescent 6%

05:24

17:41

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 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:03, Set: 20:00, Transit: 13:02. Moon - Rise: 05:24, Set: 17:41. Civil Dark: 20:35 - 05:27. Nautical Dark: 21:20 - 04:42. Astro Dark: 22:10 - 03:51

Total Clouds (% Sky Obscured)

92
94
95
78
64
88
100
83
60
62
52
55
56
33
44
58
88
100
100
96
100
94
100
71

Low Clouds (% Sky Obscured)

92
70
65
63
60
63
88
65
60
62
52
55
56
33
41
55
55
48
72
64
58
71
63
68

Medium Clouds (% Sky Obscured)

50
30
14
29
5
42
97
24
0
0
0
0
0
0
0
53
74
100
100
96
93
10
10
1

High Clouds (% Sky Obscured)

92
94
87
2
0
0
0
0
0
0
0
0
0
4
44
58
88
100
52
16
55
32
80
8

ISS Passover

Visibility (miles)

9
9
9
9
9
6
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
0
0
45
37
39
60
41
21
3
3
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.2
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
95
92
75
75
74
84
83
80
80
83
87
91
93
95
93
93
93
95
87
80
73
76

Pressure (mb)

1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1014
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018

Ozone (du)

349
352
358
361
359
357
361
379
392
406
404
402
395
393
394
390
389
390
392
391
392
387
385
384

Thursday 16

Waning Crescent 2%

05:38

19:07

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
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:00, Set: 20:01, Transit: 13:02. Moon - Rise: 05:38, Set: 19:07. Civil Dark: 20:37 - 05:24. Nautical Dark: 21:22 - 04:39. Astro Dark: 22:13 - 03:48

Total Clouds (% Sky Obscured)

85
83
82
87
100
100
100
100
87
100
100
97
100
100
100
100
82
86
81
93
88
87
100
96

Low Clouds (% Sky Obscured)

73
59
60
37
60
67
54
48
54
57
45
14
40
48
62
68
78
74
66
69
61
55
48
46

Medium Clouds (% Sky Obscured)

14
21
18
28
38
98
100
100
87
77
98
96
100
100
83
73
35
29
14
29
70
69
40
17

High Clouds (% Sky Obscured)

5
4
34
47
78
75
73
83
60
100
100
83
96
100
100
100
19
34
55
63
67
65
100
89

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
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 (%)

1
12
19
25
28
31
34
21
18
4
1
0
1
2
2
1
0
0
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
75
69
64
64
68
70
78
80
80
83
87
88
87
91
93
95
96
96
95
96
96
93
91

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1020

Ozone (du)

380
376
373
369
366
365
363
361
359
356
357
359
359
358
359
365
370
363
362
360
359
359
360
359

Friday 17

New Moon 0%

05:55

20:38

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
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:58, Set: 20:03, Transit: 13:02. Moon - Rise: 05:55, Set: 20:38. Civil Dark: 20:39 - 05:22. Nautical Dark: 21:24 - 04:37. Astro Dark: 22:15 - 03:45

Total Clouds (% Sky Obscured)

83
99
99
92
89
96
99
97
97
96
99
98
98
97
98
97
91
96
100
100
99
82
79
72

Low Clouds (% Sky Obscured)

65
51
98
72
69
74
90
74
91
78
47
78
69
83
85
90
77
44
32
38
31
28
32
34

Medium Clouds (% Sky Obscured)

19
50
51
69
24
38
33
16
26
28
29
23
22
32
86
94
91
93
100
100
80
34
36
33

High Clouds (% Sky Obscured)

29
68
40
30
51
69
60
63
59
55
64
34
42
40
55
60
70
68
60
81
92
16
11
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
7
6
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
20
4
5
42
51
54
50
16
4
0
0
0
0
0
2
8
14
4
2
3
5

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
75
70
67
74
76
75
79
84
87
89
93
93
95
96
96
95
96
96
95
96
96
96
91

Pressure (mb)

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

Ozone (du)

357
357
358
358
358
358
358
357
356
357
357
356
359
362
361
364
367
370
372
375
378
381
388
394

Saturday 18

Waxing Crescent 2%

06:20

22:12

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 OK
02 OK
03 Good
04 OK
05 OK
06 OK
07 OK
08 OK

Sun - Rise: 05:56, Set: 20:05, Transit: 13:02. Moon - Rise: 06:20, Set: 22:12. Civil Dark: 20:41 - 05:20. Nautical Dark: 21:26 - 04:34. Astro Dark: 22:18 - 03:42

Total Clouds (% Sky Obscured)

64
56
56
52
46
36
35
46
41
52
60
59
66
63
59
52
37
19
1
12
23
34
37
41

Low Clouds (% Sky Obscured)

32
33
46
52
46
36
35
39
27
32
33
33
31
24
16
8
5
3
0
10
21
28
29
29

Medium Clouds (% Sky Obscured)

31
18
10
0
0
0
0
10
24
30
29
23
22
21
22
26
18
10
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
6
5
4
3
2
0
0
0
0
13
26
37
24
17
7
4
2
1
2
1
2
2
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
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 (%)

5
9
23
16
6
19
29
23
24
16
1
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
9
9
10
10
9
8
9
9
8
7
6
6
6
6
5
5
5
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
9
9
8
9
11
10
9
11
11
9
9
7
7
7
5
5
4
3
3
3
3
5

Dew Point (°C)

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

Relative Humidity (%)

85
78
71
69
70
69
64
72
69
74
79
85
88
90
90
87
88
88
88
88
89
91
88
82

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1027
1027
1028
1028
1029
1029
1029
1029
1029
1029
1029
1030

Ozone (du)

399
405
406
404
403
401
400
397
393
392
389
389
390
390
389
388
388
389
389
389
390
393
394
395

Sunday 19

Waxing Crescent 7%

06:55

23:45

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

Sun - Rise: 05:54, Set: 20:06, Transit: 13:01. Moon - Rise: 06:55, Set: 23:45. Civil Dark: 20:43 - 05:18. Nautical Dark: 21:28 - 04:32. Astro Dark: 22:21 - 03:38

Total Clouds (% Sky Obscured)

34
46
59
76
77
79
81
72
54
35
24
12
1
0
0
0
25
50
75
76
77
79
77
74

Low Clouds (% Sky Obscured)

29
34
42
47
40
33
23
23
16
8
6
3
0
0
0
0
25
50
75
76
77
79
77
74

Medium Clouds (% Sky Obscured)

0
12
26
39
47
48
45
40
30
20
13
6
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
1
0
1
1
0
0
2
2
1
0
0
0
7
10
16
16
18
25
40
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
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
8
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)

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

Chance of Frost

Temperature (°C)

8
10
11
12
13
14
14
15
14
13
12
10
9
8
7
6
5
4
4
4
4
4
4
5

Feels Like (°C)

7
9
10
10
11
12
12
13
11
11
11
9
7
6
5
4
3
3
3
2
2
2
1
1

Dew Point (°C)

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

Relative Humidity (%)

75
66
60
58
57
56
55
57
59
65
73
78
80
84
90
91
94
93
93
94
91
89
86
80

Pressure (mb)

1030
1030
1030
1029
1029
1029
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

397
398
398
399
399
399
400
399
399
399
397
394
394
395
395
395
394
394
393
393
393
393
393
393

Monday 20

Waxing Crescent 14%

07:47

01:07

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

Sun - Rise: 05:52, Set: 20:08, Transit: 13:01. Moon - Rise: 07:47, Set: 01:07. Civil Dark: 20:45 - 05:15. Nautical Dark: 21:31 - 04:29. Astro Dark: 22:24 - 03:35

Total Clouds (% Sky Obscured)

72
65
58
51
57
62
68
68
66
57
53
43
33
29
30
33
45
58
73
78
81
85
84
81

Low Clouds (% Sky Obscured)

72
65
58
51
56
61
65
63
63
57
53
43
33
29
30
33
45
54
64
62
59
57
63
69

Medium Clouds (% Sky Obscured)

0
9
18
26
24
19
14
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

45
45
45
45
29
15
7
6
7
9
6
3
0
0
0
0
0
0
0
17
34
49
34
26

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
1
0
0
5
4
1
1
0
0
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
3
3
4
8
8
8
8
8
8
4
4
4
3
2
1
0
-1
-0
-2
-2
-2
1

Dew Point (°C)

2
3
3
3
4
5
5
5
5
5
4
3
3
3
2
2
2
2
2
2
2
2
2
3

Relative Humidity (%)

74
69
64
60
58
60
61
62
64
66
69
73
79
86
86
88
88
86
85
85
86
88
89
88

Pressure (mb)

1029
1029
1029
1028
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027

Ozone (du)

393
394
394
394
394
395
396
396
398
400
402
404
407
410
411
412
413
415
417
419
413
406
400
396

Tuesday 21

Waxing Crescent 24%

08:58

02:11

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
06 Bad

Sun - Rise: 05:50, Set: 20:10, Transit: 13:01. Moon - Rise: 08:58, Set: 02:11. Civil Dark: 20:46 - 05:13. Nautical Dark: 21:33 - 04:27. Astro Dark: 22:27 - 03:32

Total Clouds (% Sky Obscured)

77
84
92
100
99
97
96
93
90
87
90
93
90
89
92
93
95
97
100
97
96
95

Low Clouds (% Sky Obscured)

75
68
62
58
62
66
68
58
49
38
27
16
5
20
36
55
59
59
60
60
60
55

Medium Clouds (% Sky Obscured)

0
14
23
35
28
26
24
28
24
27
21
18
8
15
27
42
65
83
99
93
88
82

High Clouds (% Sky Obscured)

25
51
75
98
80
60
41
27
15
3
21
36
47
56
68
79
62
41
18
41
65
84

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

Fog (%)

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

Precipitation Probability (%)

0
10
15
18
17
15
13
11
8
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
3
3
2
3
6
5
5
6
7
7
3
3
2
2
2
1
-1
-0
0
0
1

Dew Point (°C)

4
5
5
4
4
4
4
4
5
5
5
4
4
3
4
4
4
4
4
4
4
4

Relative Humidity (%)

85
84
78
70
65
64
64
63
66
69
73
78
85
89
91
93
94
94
94
94
96
96

Pressure (mb)

1027
1027
1026
1026
1026
1025
1024
1024
1024
1023
1023
1023
1024
1024
1023
1023
1023
1022
1022
1022
1021
1021

Ozone (du)

393
390
389
388
387
383
380
377
381
384
388
392
396
401
400
399
398
397
395
394
391
388

Forecast for Great Missenden, Buckinghamshire, United Kingdom (51.70,-0.70)

Generated: 15/04/26 09:31:28. Forecast: 15/04/26 to 21/04/26. Timezone: UTC+1.00