Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 12%

05:03

16:20

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

Sun - Rise: 06:08, Set: 20:00, Transit: 13:05. Moon - Rise: 05:03, Set: 16:20. Civil Dark: 20:36 - 05:32. Nautical Dark: 21:21 - 04:47. Astro Dark: 22:11 - 03:56

Total Clouds (% Sky Obscured)

39
35
17
1
11
3
1
2
2
21
26
63
57
41
40
55
57
95
96
90
98
100
100
100

Low Clouds (% Sky Obscured)

20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
52
60
59
90
100
100

Medium Clouds (% Sky Obscured)

17
6
4
0
1
3
1
2
2
13
16
28
28
19
20
25
19
26
19
27
39
79
77
45

High Clouds (% Sky Obscured)

0
0
0
1
11
3
1
1
0
0
0
39
23
3
4
8
9
72
43
78
60
23
17
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 (%)

33
41
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
12
25

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)

9
9
7
4
4
4
4
4
4
5
5
5
5
5
7
9
11
13
13
13
14
14
15
14

Chance of Frost

Temperature (°C)

12
10
8
7
6
5
4
4
3
3
3
3
3
3
6
8
10
11
13
13
14
14
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
78
84
85
86
88
89
91
91
93
93
93
93
91
85
79
74
71
70
76
76
75
74
79

Pressure (mb)

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

Ozone (du)

450
442
434
430
427
424
419
412
405
399
395
392
390
388
384
380
375
372
369
368
368
363
362
360

Tuesday 14

Waning Crescent 6%

05:14

17:44

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:06, Set: 20:02, Transit: 13:05. Moon - Rise: 05:14, Set: 17:44. Civil Dark: 20:38 - 05:29. Nautical Dark: 21:23 - 04:44. Astro Dark: 22:14 - 03:53

Total Clouds (% Sky Obscured)

99
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
87
86
95
99
66
39

Low Clouds (% Sky Obscured)

79
84
59
80
63
53
81
96
100
88
70
91
95
82
100
100
82
91
44
37
42
69
53
39

Medium Clouds (% Sky Obscured)

64
71
19
71
100
97
92
89
89
80
61
69
63
53
36
45
35
27
44
48
57
63
58
7

High Clouds (% Sky Obscured)

68
100
100
94
89
100
96
100
100
100
100
100
100
100
100
100
100
98
45
50
8
22
1
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
5
3

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

Precipitation Probability (%)

15
4
0
0
3
24
28
17
8
5
23
62
58
34
11
3
15
10
22
6
38
69
93
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.5
0.3
0
0
0
0
0
0
0
0
0.3
0.8
0.3

Wind Speed/Direction (mph)

14
13
12
13
13
13
13
13
13
13
13
13
13
13
13
14
14
15
15
16
18
19
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
87
87
88
90
96
95
93
95
95
95
95
95
93
92
93
95
93
93
93
86
87
87

Pressure (mb)

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

Ozone (du)

358
356
353
351
349
350
352
351
352
352
351
350
351
350
348
347
350
352
356
358
358
360
369
383

Wednesday 15

Waning Crescent 2%

05:25

No Set

18 Bad
19 Bad
20 Bad
21 OK
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

Sun - Rise: 06:04, Set: 20:03, Transit: 13:04. Moon - Rise: 05:25, Set: No Set. Civil Dark: 20:40 - 05:27. Nautical Dark: 21:25 - 04:41. Astro Dark: 22:17 - 03:49

Total Clouds (% Sky Obscured)

59
46
43
32
37
51
38
57
70
72
50
48
40
66
72
80
66
82
71
72
77
69
80
90

Low Clouds (% Sky Obscured)

59
46
43
32
37
51
38
57
63
71
47
48
40
65
66
70
60
42
46
32
19
10
2
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
5
0
9
3
0
0
0
0
0
27
26
26
21
18
24
73

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
4
9
3
3
2
4
9
31
15
23
25
22
47
70

ISS Passover

Visibility (miles)

8
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 (%)

31
6
5
0
0
0
0
0
0
0
4
2
1
0
0
0
0
0
0
0
6
12
7
8

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)

17
15
12
11
11
12
12
13
14
14
14
12
11
10
12
14
14
14
15
15
15
14
14
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
92
93
93
93
96
95
95
90
90
95
95
96
87
81
76
71
66
63
61
60
62
69

Pressure (mb)

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

Ozone (du)

385
389
392
394
399
400
399
398
393
388
386
385
385
386
383
382
382
382
378
374
368
366
364
364

Thursday 16

Waning Crescent 0%

05:38

19:11

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:01, Set: 20:05, Transit: 13:04. Moon - Rise: 05:38, Set: 19:11. Civil Dark: 20:42 - 05:25. Nautical Dark: 21:27 - 04:39. Astro Dark: 22:19 - 03:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
97
77
52
58
60
63
64
75
81
84
94
100
100
100
100
98

Low Clouds (% Sky Obscured)

2
2
2
8
7
14
21
14
7
0
0
0
0
18
34
44
49
55
77
92
87
87
85
72

Medium Clouds (% Sky Obscured)

100
100
97
100
100
99
90
92
92
71
41
39
37
44
50
57
65
67
65
91
91
66
80
68

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
90
88
77
52
41
24
21
11
9
26
48
74
71
53
19
26
63

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 (%)

16
3
0
0
0
0
0
0
0
0
0
0
1
2
4
3
8
11
12
15
15
7
13
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
9
8
8
7
6
6
6
5
5
6
6
6
7
9
9
11
11
11
11
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

74
81
87
91
95
96
95
95
95
94
94
94
94
94
90
83
76
71
65
66
73
67
69
79

Pressure (mb)

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

Ozone (du)

363
363
364
364
364
364
367
366
364
362
361
360
359
359
359
358
359
358
357
356
354
354
355
356

Friday 17

New Moon 2%

05:55

20:43

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:59, Set: 20:07, Transit: 13:04. Moon - Rise: 05:55, Set: 20:43. Civil Dark: 20:43 - 05:22. Nautical Dark: 21:29 - 04:36. Astro Dark: 22:22 - 03:43

Total Clouds (% Sky Obscured)

100
100
99
100
99
98
97
97
77
81
65
66
61
31
56
76
90
95
100
100
100
99
100
99

Low Clouds (% Sky Obscured)

64
50
39
38
47
51
59
59
59
65
65
66
61
31
56
76
90
95
100
94
88
81
73
68

Medium Clouds (% Sky Obscured)

50
50
71
86
86
85
82
79
43
45
45
43
45
31
35
40
40
35
40
50
59
64
64
50

High Clouds (% Sky Obscured)

100
100
98
97
92
87
80
54
26
8
30
51
61
27
41
65
65
65
65
40
22
0
22
43

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

9
2
3
4
5
13
15
13
22
31
31
25
9
22
26
36
48
50
71
82
81
67
74
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.6
0.3
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
10
10
10
9
9
8
8
8
7
7
7
7
7
7
6
5
5
4
4
3
4

Relative Humidity (%)

79
86
93
93
95
91
93
95
91
95
93
95
94
95
88
81
75
70
65
61
59
59
57
61

Pressure (mb)

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

Ozone (du)

356
357
355
355
358
363
369
377
387
388
389
388
390
394
395
395
396
396
395
395
395
395
394
395

Saturday 18

Waxing Crescent 7%

06:18

22:18

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
13 OK
14 Bad
15 Bad
16 Bad
17 OK

Sun - Rise: 05:57, Set: 20:09, Transit: 13:04. Moon - Rise: 06:18, Set: 22:18. Civil Dark: 20:45 - 05:20. Nautical Dark: 21:32 - 04:33. Astro Dark: 22:25 - 03:39

Total Clouds (% Sky Obscured)

100
98
95
94
92
90
90
83
77
70
69
66
40
32
27
26
30
33
38
40
44
47
45
34

Low Clouds (% Sky Obscured)

62
67
73
81
78
73
67
61
55
47
41
32
27
26
27
26
30
33
37
40
39
38
27
14

Medium Clouds (% Sky Obscured)

45
23
17
15
16
16
21
21
23
22
20
18
12
6
3
0
3
5
10
9
8
9
5
2

High Clouds (% Sky Obscured)

70
53
27
0
0
0
0
1
3
5
4
2
1
1
2
3
2
2
2
5
9
11
24
34

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 (%)

49
43
30
9
14
15
3
5
5
0
0
0
2
1
2
0
1
1
1
2
2
0
1
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)

8
7
7
6
5
6
6
7
7
6
6
6
7
7
8
9
11
11
12
12
12
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
6
6
6
6
7
7
3
4
4
4
4
4
5
6
6
6
7
7
11
11
10
10

Dew Point (°C)

5
5
5
5
4
4
5
6
5
5
4
4
4
4
4
4
4
5
5
5
5
5
5
5

Relative Humidity (%)

66
69
70
73
74
78
85
93
91
91
90
91
91
93
84
75
68
65
62
58
59
59
59
63

Pressure (mb)

1023
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026

Ozone (du)

395
395
394
393
393
392
392
391
391
391
392
391
391
391
391
390
390
390
390
390
391
392
392
393

Sunday 19

Waxing Crescent 14%

06:53

23:52

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

Sun - Rise: 05:55, Set: 20:10, Transit: 13:03. Moon - Rise: 06:53, Set: 23:52. Civil Dark: 20:47 - 05:18. Nautical Dark: 21:34 - 04:31. Astro Dark: 22:28 - 03:36

Total Clouds (% Sky Obscured)

23
27
35
39
33
30
41
49
58
58
67
71
72
59
46
35
32
39
38

Low Clouds (% Sky Obscured)

1
8
16
25
21
17
12
7
3
0
2
3
4
2
1
0
5
10
19

Medium Clouds (% Sky Obscured)

0
1
1
2
1
1
0
0
0
0
0
0
0
0
0
0
6
13
15

High Clouds (% Sky Obscured)

23
27
34
34
33
30
35
31
24
17
16
7
8
3
3
4
5
3
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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
9
7
6
6
5
4
4
4
3
3
3
3
5
7
9
10
11

Feels Like (°C)

10
11
6
5
6
4
4
3
1
1
1
-0
-1
-1
1
1
3
3
4

Dew Point (°C)

6
6
6
5
5
4
4
4
3
3
2
2
2
2
3
3
4
4
4

Relative Humidity (%)

68
73
78
85
93
91
93
94
94
94
96
96
94
94
86
78
70
67
63

Pressure (mb)

1026
1026
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024

Ozone (du)

394
394
395
395
396
395
394
394
394
393
393
393
392
392
391
390
389
388
388

Forecast for Bilton, Warwickshire, United Kingdom (52.35,-1.29)

Generated: 13/04/26 18:00:33. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+1.00