Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waning Crescent 17%

04:43

16:03

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 OK
18 OK

Sun - Rise: 05:59, Set: 20:22, Transit: 13:12. Moon - Rise: 04:43, Set: 16:03. Civil Dark: 20:58 - 05:23. Nautical Dark: 21:44 - 04:37. Astro Dark: 22:37 - 03:44

Total Clouds (% Sky Obscured)

88
84
66
92
83
80
70
65
74
62
97
100
98
92
100
94
93
89
93
92
88
74
44
28

Low Clouds (% Sky Obscured)

56
84
66
62
51
60
52
62
64
62
64
59
42
0
22
82
75
73
81
82
62
37
5
0

Medium Clouds (% Sky Obscured)

0
20
50
47
78
62
43
44
10
0
0
17
41
79
78
37
26
28
43
40
28
18
13
8

High Clouds (% Sky Obscured)

10
19
17
65
7
5
4
0
4
62
97
100
18
14
19
14
4
4
3
2
2
4
10
18

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
3
18
4
74
84
1
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
0
2
3
12
3
15
16
8
7
17
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
87
82
80
78
80
78
79
88
88
90
90
88
85
80
76
75
76
75
73
73
74
74
76

Pressure (mb)

1015
1016
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

344
344
343
342
341
344
347
348
346
346
348
350
349
351
350
349
348
348
348
347
346
344
343
342

Thursday 24

Waning Crescent 9%

04:57

17:31

19 OK
20 OK
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

Sun - Rise: 05:57, Set: 20:24, Transit: 13:11. Moon - Rise: 04:57, Set: 17:31. Civil Dark: 21:00 - 05:21. Nautical Dark: 21:46 - 04:35. Astro Dark: 22:39 - 03:41

Total Clouds (% Sky Obscured)

30
26
74
49
67
76
64
97
96
91
96
99
97
95
100
95
100
100
82
84
96
98
100
100

Low Clouds (% Sky Obscured)

0
0
36
45
44
41
38
41
37
41
54
62
72
79
75
71
79
69
72
74
86
81
83
78

Medium Clouds (% Sky Obscured)

8
26
14
11
25
4
3
49
92
87
72
98
88
54
60
68
89
100
66
79
93
96
99
100

High Clouds (% Sky Obscured)

16
15
43
8
29
71
29
81
70
40
49
82
56
58
72
50
59
1
0
1
1
0
0
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
9
9

Fog (%)

0
0
0
0
0
0
0
61
51
23
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
Light Rain
Light Rain

Precipitation Probability (%)

3
0
0
0
0
0
0
0
0
0
0
0
7
3
1
1
3
4
6
15
31
42
61
65

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
0.5
0.4

Wind Speed/Direction (mph)

5
3
3
3
2
2
2
2
3
2
3
3
4
6
11
13
15
16
16
15
15
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
87
88
90
90
90
90
90
90
88
88
86
87
85
81
80
77
75
74
72
75
76
77
80

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020

Ozone (du)

341
339
337
335
334
333
333
333
332
333
334
336
337
339
340
341
341
341
341
343
345
346
348
350

Friday 25

Waning Crescent 3%

05:11

19:01

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
18 Bad

Sun - Rise: 05:55, Set: 20:26, Transit: 13:11. Moon - Rise: 05:11, Set: 19:01. Civil Dark: 21:02 - 05:19. Nautical Dark: 21:48 - 04:32. Astro Dark: 22:42 - 03:37

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
96
99
100
100
100
96
99
98
95
96
92
87
81
81
84
86

Low Clouds (% Sky Obscured)

63
74
84
88
91
92
90
90
91
90
85
82
72
65
83
82
84
75
78
79
80
81
82
81

Medium Clouds (% Sky Obscured)

100
100
100
99
98
100
99
99
91
98
100
97
72
86
73
77
78
58
48
43
34
36
35
34

High Clouds (% Sky Obscured)

40
35
30
25
94
38
86
20
2
27
30
99
92
30
30
29
21
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
4
6
7
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
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

66
67
67
70
77
95
95
95
77
57
41
31
16
9
4
2
6
3
8
14
26
23
23
26

Precipitation Amount (mm)

0.4
0.4
0.4
0.3
0.3
0.8
1.1
0.9
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
8
6
5
4
5
5
5
5
3
3
2
2
3
3
4
4
5
4
5
5
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
90
90
90
91
96
96
96
95
95
93
91
90
90
87
87
87
89
87
87
86
86
87

Pressure (mb)

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

Ozone (du)

349
349
351
352
354
355
356
357
359
359
361
361
362
363
365
366
367
368
368
367
365
363
364
365

Saturday 26

Waning Crescent 0%

05:27

19:01

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

Sun - Rise: 05:53, Set: 20:27, Transit: 13:11. Moon - Rise: 05:27, Set: 19:01. Civil Dark: 21:04 - 05:17. Nautical Dark: 21:50 - 04:30. Astro Dark: 22:45 - 03:34

Total Clouds (% Sky Obscured)

87
84
58
50
75
69
77
78
40
65
58
80
99
98
98
99
99
100
92
81
71
77
84
94

Low Clouds (% Sky Obscured)

81
79
58
50
59
50
59
61
40
61
58
68
63
53
48
46
45
46
45
53
52
60
68
81

Medium Clouds (% Sky Obscured)

23
11
0
0
0
0
0
0
0
5
11
14
18
21
64
49
58
26
52
54
23
19
14
14

High Clouds (% Sky Obscured)

0
0
0
1
30
30
25
23
4
35
49
80
95
92
90
93
97
100
81
45
46
54
58
65

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 (%)

19
14
5
4
2
3
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
7
12
12

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)

4
4
3
3
2
1
2
2
2
2
2
2
2
1
2
3
5
6
7
7
6
7
7
6

Chance of Frost

Temperature (°C)

13
12
11
9
9
9
9
9
8
7
7
6
7
9
11
12
13
14
15
16
16
17
16
16

Feels Like (°C)

12
11
10
10
9
9
9
8
7
8
6
7
7
8
9
10
11
12
13
13
15
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

89
93
95
93
93
95
93
93
95
94
94
94
93
88
84
79
71
68
68
70
69
72
74
79

Pressure (mb)

1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024

Ozone (du)

362
361
360
359
356
356
357
357
359
360
360
359
359
358
357
355
355
356
356
356
355
352
351
349

Sunday 27

New Moon 1%

05:47

20:35

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 OK
16 OK
17 Bad
18 Bad

Sun - Rise: 05:52, Set: 20:29, Transit: 13:11. Moon - Rise: 05:47, Set: 20:35. Civil Dark: 21:05 - 05:15. Nautical Dark: 21:52 - 04:28. Astro Dark: 22:48 - 03:31

Total Clouds (% Sky Obscured)

88
83
76
76
75
78
75
72
70
80
90
99
87
88
89
91
94
98
69
45
34
39
54
60

Low Clouds (% Sky Obscured)

76
74
68
56
47
38
47
55
65
65
65
65
42
20
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
9
7
4
2
0
0
0
0
3
4
5
4
8
12
28
45
59
54
45
34
39
49
44

High Clouds (% Sky Obscured)

41
15
5
27
35
57
47
34
24
48
73
98
76
84
89
90
94
97
69
45
30
29
35
30

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 (%)

10
3
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)

6
5
3
3
2
1
1
2
2
2
2
2
2
2
3
5
7
9
11
11
10
11
9
8

Chance of Frost

Temperature (°C)

15
14
12
11
10
9
9
8
8
7
7
7
7
9
12
14
15
15
16
16
16
15
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
90
92
91
91
93
93
93
93
93
93
94
93
88
83
79
76
72
67
69
72
74
78
80

Pressure (mb)

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

Ozone (du)

347
344
342
341
341
339
337
336
334
333
331
330
329
328
328
327
327
326
325
325
325
325
324
324

Monday 28

Waxing Crescent 5%

06:14

22:11

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 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK

Sun - Rise: 05:50, Set: 20:30, Transit: 13:11. Moon - Rise: 06:14, Set: 22:11. Civil Dark: 21:07 - 05:13. Nautical Dark: 21:54 - 04:25. Astro Dark: 22:51 - 03:28

Total Clouds (% Sky Obscured)

63
71
78
71
58
54
64
69
68
59
55
50
45
40
35
42
57
67
61
60
50
30
25
20

Low Clouds (% Sky Obscured)

7
14
21
13
7
0
3
8
12
8
3
0
0
0
0
11
21
30
17
8
0
0
0
0

Medium Clouds (% Sky Obscured)

51
52
56
46
37
23
20
17
14
20
27
50
45
40
35
42
25
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

15
10
5
5
5
5
0
0
0
0
5
5
15
20
25
20
20
20
20
20
20
25
25
20

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)

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

Chance of Frost

Temperature (°C)

13
12
11
9
9
9
9
8
8
8
9
9
9
11
13
15
15
16
16
16
16
16
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
88
91
88
87
84
85
87
88
88
90
90
86
82
79
76
74
72
73
74
75
74
75

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

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

Tuesday 29

Waxing Crescent 12%

06:53

23:43

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

Sun - Rise: 05:48, Set: 20:32, Transit: 13:11. Moon - Rise: 06:53, Set: 23:43. Civil Dark: 21:09 - 05:11. Nautical Dark: 21:57 - 04:23. Astro Dark: 22:54 - 03:24

Total Clouds (% Sky Obscured)

10
10
10
13
15
13
26
39
47
41
36
28
20
11
7
8
10
11

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
20
37
47
41
36
28
20
9
0
4
7
11

Medium Clouds (% Sky Obscured)

0
0
0
2
5
7
5
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
10
10
13
11
6
5
4
1
2
1
0
1
3
4
5
5
5

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
14
14
13
13
12
12
12
11
10
10
10
12
14
17
18
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
71
69
66
66
69
70
72
76
78
80
83
84
83
79
75
74
72

Pressure (mb)

1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

332
333
334
336
335
335
334
333
332
331
333
335
337
339
340
342
341
341

Welcome to Clear Outside

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

Generated: 23/04/25 18:52:36. Forecast: 23/04/25 to 29/04/25. Timezone: UTC+1.00