Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Gibbous 69%

02:41

08:58

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
19 Bad
20 Bad

Sun - Rise: 05:56, Set: 20:11, Transit: 13:04. Moon - Rise: 02:41, Set: 08:58. Civil Dark: 20:48 - 05:20. Nautical Dark: 21:32 - 04:33. Astro Dark: 22:26 - 03:38

Total Clouds (% Sky Obscured)

96
97
98
97
100
100
99
100
100
98
100
99
96
100
100
100
100
99
100
100
100
100
100
91

Low Clouds (% Sky Obscured)

77
84
91
74
60
62
64
58
63
56
29
21
6
0
23
36
33
42
28
39
38
21
0
19

Medium Clouds (% Sky Obscured)

93
96
88
89
89
94
99
97
99
98
100
99
96
100
100
98
99
99
94
90
60
41
38
32

High Clouds (% Sky Obscured)

86
56
85
76
89
100
85
100
100
52
65
53
53
100
100
100
95
78
51
65
100
100
100
60

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 (%)

35
41
15
3
1
7
33
49
36
26
14
4
1
1
4
7
22
22
8
3
0
2
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
10
10
13
14
13
13
13
13
14
15
16
15
15
15
16
15
14
12
14
14
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
95
93
93
90
90
90
85
87
82
81
79
77
75
68
68
71
64
68
69
71
72

Pressure (mb)

1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1008
1008
1008
1008
1009
1009

Ozone (du)

380
380
379
379
378
376
376
375
375
374
373
372
372
374
373
373
373
375
377
378
375
373
373
373

Saturday 19

Waning Gibbous 59%

03:21

10:10

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 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Bad
20 Bad

Sun - Rise: 05:54, Set: 20:13, Transit: 13:03. Moon - Rise: 03:21, Set: 10:10. Civil Dark: 20:50 - 05:17. Nautical Dark: 21:34 - 04:30. Astro Dark: 22:29 - 03:35

Total Clouds (% Sky Obscured)

80
79
85
100
100
86
85
70
83
77
81
81
71
75
66
53
26
31
19
34
41
43
93
95

Low Clouds (% Sky Obscured)

39
48
61
66
67
35
34
32
71
71
81
80
71
55
14
26
0
10
15
30
30
26
86
89

Medium Clouds (% Sky Obscured)

28
33
22
30
29
34
56
70
54
33
17
6
7
41
41
26
20
17
12
6
15
20
51
71

High Clouds (% Sky Obscured)

58
55
60
100
96
73
35
35
29
34
38
39
20
4
1
2
4
2
3
3
3
6
5
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
2
2
2
1
1
2
1
1
0
1
2
3
5
7
9
10
12
13
13
13
13
12
10

Dew Point (°C)

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

Relative Humidity (%)

73
75
78
82
83
91
94
94
93
96
91
85
77
68
61
58
56
54
54
55
59
69
75
80

Pressure (mb)

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

Ozone (du)

374
374
374
374
374
374
374
373
372
373
373
372
372
371
371
372
371
371
371
372
372
372
371
371

Sunday 20

Waning Gibbous 48%

03:49

11:32

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
19 Bad
20 Bad

Sun - Rise: 05:52, Set: 20:14, Transit: 13:03. Moon - Rise: 03:49, Set: 11:32. Civil Dark: 20:52 - 05:15. Nautical Dark: 21:37 - 04:27. Astro Dark: 22:32 - 03:32

Total Clouds (% Sky Obscured)

94
96
100
100
98
95
86
82
83
90
85
80
90
93
100
100
100
100
100
95
76
57
66
45

Low Clouds (% Sky Obscured)

92
95
100
99
96
89
74
65
55
53
51
51
70
69
66
71
63
48
33
45
44
41
39
37

Medium Clouds (% Sky Obscured)

38
59
77
70
75
62
44
77
83
90
85
80
70
67
84
85
78
28
33
30
40
36
50
33

High Clouds (% Sky Obscured)

3
2
2
2
2
4
4
4
4
8
17
9
44
76
100
73
67
88
100
73
31
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
6
3
2
2
9
9
9
9
6
4
7
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
23
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
1
2
5
5
5
17
17
40
56
67
74
76
73
47
19
24
29
46
69
62
50
27
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
81
85
87
88
91
91
93
96
98
98
98
100
98
96
93
86
83
75
83
83
84
90

Pressure (mb)

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

Ozone (du)

371
370
371
372
371
372
372
372
372
372
372
374
369
366
366
368
369
372
376
377
382
382
384
386

Monday 21

Third Quarter 37%

04:09

12:57

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

Sun - Rise: 05:50, Set: 20:16, Transit: 13:03. Moon - Rise: 04:09, Set: 12:57. Civil Dark: 20:53 - 05:13. Nautical Dark: 21:39 - 04:25. Astro Dark: 22:35 - 03:28

Total Clouds (% Sky Obscured)

39
36
39
33
29
53
56
79
81
85
83
87
87
90
89
99
84
69
60
75
87
100
99
99

Low Clouds (% Sky Obscured)

32
34
39
33
29
36
27
30
34
41
36
58
62
67
49
61
57
53
50
37
18
17
32
52

Medium Clouds (% Sky Obscured)

38
35
29
23
17
34
41
58
62
60
51
63
70
50
51
72
58
49
41
75
87
100
99
99

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
21
43
41
53
34
35
36
52
68
49
39
25
30
18
21
4
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
5
6
6
5
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 (%)

7
13
18
9
12
10
0
0
0
1
5
13
2
10
26
24
23
31
37
39
44
36
22
22

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)

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

Chance of Frost

Temperature (°C)

8
7
7
6
6
6
6
6
6
6
6
8
10
11
12
13
14
14
14
13
13
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
93
93
94
94
93
93
94
94
93
88
86
84
74
72
68
80
86
84
92
93
93

Pressure (mb)

1012
1012
1013
1013
1013
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017

Ozone (du)

388
385
382
383
382
380
379
379
380
382
386
388
389
390
389
387
386
385
385
385
386
386
386
386

Tuesday 22

Waning Crescent 26%

04:24

14:24

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
19 Bad
20 Bad

Sun - Rise: 05:48, Set: 20:18, Transit: 13:03. Moon - Rise: 04:24, Set: 14:24. Civil Dark: 20:55 - 05:10. Nautical Dark: 21:41 - 04:22. Astro Dark: 22:38 - 03:25

Total Clouds (% Sky Obscured)

99
99
100
100
95
91
86
83
82
82
97
93
88
83
78
73
77
81
85
83
81
79
79
78

Low Clouds (% Sky Obscured)

64
75
88
100
93
85
78
75
73
70
80
82
85
73
62
51
53
56
60
64
68
70
71
73

Medium Clouds (% Sky Obscured)

98
97
81
63
35
18
3
1
1
2
28
23
19
25
30
37
38
42
44
40
29
23
9
4

High Clouds (% Sky Obscured)

1
1
1
0
8
10
9
8
2
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8
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
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

19
42
52
69
66
63
48
27
31
41
55
48
43
41
41
42
53
56
56
56
51
47
36
25

Precipitation Amount (mm)

0
0
0
0.5
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0.2
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
95
96
96
96
98
98
98
98
93
91
88
84
82
79
82
84
87
87
89
90
91

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1019
1018
1019
1019
1019
1019
1019
1019
1020

Ozone (du)

388
389
390
392
393
395
397
398
398
398
397
395
393
391
390
389
389
388
387
387
386
386
385
385

Wednesday 23

Waning Crescent 17%

04:37

15:52

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
19 Bad
20 Bad

Sun - Rise: 05:46, Set: 20:19, Transit: 13:03. Moon - Rise: 04:37, Set: 15:52. Civil Dark: 20:57 - 05:08. Nautical Dark: 21:44 - 04:19. Astro Dark: 22:41 - 03:21

Total Clouds (% Sky Obscured)

76
82
87
92
91
90
89
93
97
100
100
100
100
100
100
100
97
93
89
72
56
43
56
73

Low Clouds (% Sky Obscured)

76
79
84
90
91
90
89
93
97
100
100
100
100
99
99
98
87
76
65
52
41
30
29
36

Medium Clouds (% Sky Obscured)

0
3
5
10
9
8
3
2
2
2
2
2
1
2
2
4
5
6
10
5
3
0
7
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
14
28
36
25
17
13
15
17
24
14
11

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 (%)

12
11
10
6
7
7
5
8
7
0
8
9
10
13
14
14
15
15
13
13
11
4
5
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
95
95
96
96
96
98
96
96
94
93
91
91
90
85
81
77
76
77
76
79
79
81
81

Pressure (mb)

1020
1021
1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022

Ozone (du)

385
385
385
385
385
385
384
384
383
382
380
378
377
375
372
369
366
365
364
362
361
360
359
359

Thursday 24

Waning Crescent 9%

04:48

17:22

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: 05:44, Set: 20:21, Transit: 13:03. Moon - Rise: 04:48, Set: 17:22. Civil Dark: 20:59 - 05:06. Nautical Dark: 21:46 - 04:17. Astro Dark: 22:44 - 03:17

Total Clouds (% Sky Obscured)

90
90
91
89
77
58
41
56
74
92
95
97
100
100
100
99

Low Clouds (% Sky Obscured)

42
48
54
62
52
39
17
13
10
10
11
13
18
33
48
62

Medium Clouds (% Sky Obscured)

21
21
25
25
25
26
22
27
37
29
24
25
25
26
27
23

High Clouds (% Sky Obscured)

10
9
7
3
7
9
10
29
46
68
46
26
10
42
68
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
1
3
5
6
6
5
4
4
2
19
27
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
8
8
5
5
5
4
4
3
3
3
4
4
5

Dew Point (°C)

7
6
6
6
6
6
5
4
4
4
4
4
4
5
5
5

Relative Humidity (%)

82
82
84
88
91
91
90
91
90
91
90
82
77
72
69
68

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1023
1023

Ozone (du)

360
360
360
360
360
360
359
359
360
361
362
362
362
361
361
360

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

Generated: 18/04/25 21:07:06. Forecast: 18/04/25 to 24/04/25. Timezone: UTC+1.00