Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 12%

05:10

15:11

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
11 Bad
12 Bad

Sun - Rise: 06:20, Set: 20:06, Transit: 13:14. Moon - Rise: 05:10, Set: 15:11. Civil Dark: 20:40 - 05:45. Nautical Dark: 21:23 - 05:03. Astro Dark: 22:10 - 04:15

Total Clouds (% Sky Obscured)

46
66
69
85
92
92
100
100
39
68
60
67
79
86
83
90
94
95
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

46
65
54
60
47
25
0
0
0
0
4
44
60
62
50
36
39
47
81
96
95
100
100
100

Medium Clouds (% Sky Obscured)

25
52
19
58
67
43
25
53
34
36
46
35
26
31
33
88
38
33
78
50
99
100
100
80

High Clouds (% Sky Obscured)

35
15
14
25
10
33
100
80
39
4
1
0
0
0
80
42
11
10
50
96
100
90
27
68

ISS Passover

Visibility (miles)

5
4
7
9
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
2
1
1

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

Precipitation Probability (%)

53
50
45
25
24
9
0
0
0
0
0
1
2
7
1
11
8
16
40
50
78
54
41
15

Precipitation Amount (mm)

0.4
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0
0

Wind Speed/Direction (mph)

6
7
7
8
8
9
8
5
4
3
2
3
3
3
3
5
8
10
11
12
13
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
73
70
63
61
71
77
85
88
88
86
88
89
91
93
94
95
91
91
93
93
98
98
96

Pressure (mb)

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

Ozone (du)

440
435
431
423
420
416
412
407
405
399
395
392
388
387
382
377
371
370
370
367
365
362
364
363

Tuesday 14

Waning Crescent 6%

05:23

16:31

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
11 Bad
12 Bad

Sun - Rise: 06:18, Set: 20:07, Transit: 13:14. Moon - Rise: 05:23, Set: 16:31. Civil Dark: 20:42 - 05:43. Nautical Dark: 21:25 - 05:00. Astro Dark: 22:13 - 04:12

Total Clouds (% Sky Obscured)

97
96
95
91
95
100
100
100
100
100
100
100
100
100
100
99
98
99
100
100
86
83
96
95

Low Clouds (% Sky Obscured)

96
75
57
65
51
56
90
90
95
96
87
93
99
100
100
79
89
97
81
58
84
77
64
65

Medium Clouds (% Sky Obscured)

91
89
86
65
82
94
99
91
81
43
40
33
44
55
42
59
60
32
22
7
0
4
53
52

High Clouds (% Sky Obscured)

6
13
20
23
50
100
100
77
93
100
100
100
100
100
100
40
35
71
100
100
40
0
7
16

ISS Passover

Visibility (miles)

1
1
0
0
3
7
9
9
9
9
9
9
9
0
0
1
9
9
9
9
9
9
8
4

Fog (%)

0
0
0
1
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

5
5
12
19
16
18
29
35
30
20
50
46
30
14
13
4
6
2
1
3
16
31
45
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
14
13
12
11
9
9
8
8
9
9
9
9
9
9
8
9
9
10
13
17
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
95
93
90
92
93
98
98
98
96
96
96
100
98
96
95
95
95
93
93
86
86
92

Pressure (mb)

1016
1016
1016
1015
1016
1016
1016
1016
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

363
361
358
355
353
351
352
352
351
351
351
349
346
345
344
343
345
347
349
354
356
355
355
359

Wednesday 15

Waning Crescent 2%

05:36

17:52

13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 Good
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

Sun - Rise: 06:16, Set: 20:09, Transit: 13:14. Moon - Rise: 05:36, Set: 17:52. Civil Dark: 20:44 - 05:41. Nautical Dark: 21:27 - 04:58. Astro Dark: 22:15 - 04:09

Total Clouds (% Sky Obscured)

94
88
42
32
19
11
22
32
41
49
47
66
74
63
73
58
73
100
92
100
100
99
98
97

Low Clouds (% Sky Obscured)

57
68
42
32
19
11
22
32
35
49
41
41
53
52
54
56
56
52
44
43
50
48
57
58

Medium Clouds (% Sky Obscured)

85
27
19
0
0
0
0
0
0
0
10
17
17
17
28
0
0
0
15
34
46
54
72
63

High Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
2
1
2
30
20
3
2
4
41
100
92
100
100
81
64
45

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
8

Fog (%)

0
5
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 (%)

42
46
28
2
1
0
0
0
1
1
3
4
3
4
5
3
1
2
2
3
1
5
26
33

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)

19
16
15
17
16
14
13
11
10
10
10
10
11
10
9
8
7
6
5
6
9
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
75
74
65
70
76
80
84
91
93
93
91
84
84
85
81
87
85
88
87
81
75
71
70

Pressure (mb)

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

Ozone (du)

366
377
382
393
395
393
386
383
380
381
380
379
380
379
377
375
371
366
362
360
360
360
360
360

Thursday 16

Waning Crescent 1%

05:51

19:17

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
11 Bad
12 Bad

Sun - Rise: 06:14, Set: 20:11, Transit: 13:13. Moon - Rise: 05:51, Set: 19:17. Civil Dark: 20:46 - 05:39. Nautical Dark: 21:29 - 04:55. Astro Dark: 22:18 - 04:06

Total Clouds (% Sky Obscured)

93
91
75
83
98
100
99
97
96
95
94
94
92
91
51
55
56
90
96
96
96
94
92
91

Low Clouds (% Sky Obscured)

59
53
46
40
29
22
16
12
6
21
34
44
45
45
46
49
50
81
86
85
84
80
74
71

Medium Clouds (% Sky Obscured)

69
75
45
48
55
95
84
81
55
66
57
36
74
81
38
43
39
42
44
40
46
43
40
38

High Clouds (% Sky Obscured)

31
20
13
44
79
100
75
53
35
33
36
35
39
15
15
12
11
7
6
4
2
4
4
5

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5

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 (%)

30
24
18
12
9
3
4
4
2
4
6
0
0
0
0
0
0
1
2
7
13
13
21
27

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)

14
14
14
14
13
11
9
7
6
5
5
5
5
5
5
5
5
5
5
7
9
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
69
69
70
78
83
93
96
96
96
98
96
96
96
96
96
96
96
93
90
89
90
87

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

360
358
357
355
353
353
355
356
356
357
359
361
363
361
357
356
357
356
357
357
358
359
359
357

Friday 17

New Moon 0%

06:10

20:46

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
11 Bad
12 Bad

Sun - Rise: 06:12, Set: 20:12, Transit: 13:13. Moon - Rise: 06:10, Set: 20:46. Civil Dark: 20:47 - 05:37. Nautical Dark: 21:31 - 04:53. Astro Dark: 22:20 - 04:03

Total Clouds (% Sky Obscured)

88
89
87
84
82
80
82
82
84
89
94
98
97
89
80
82
89
100
100
99
99
99
99
99

Low Clouds (% Sky Obscured)

69
73
72
65
62
58
55
53
51
63
75
87
91
89
80
82
89
84
73
62
56
57
56
60

Medium Clouds (% Sky Obscured)

37
36
39
26
13
4
20
36
46
81
91
87
75
56
37
24
10
5
26
51
74
81
83
82

High Clouds (% Sky Obscured)

6
4
3
28
49
59
46
27
10
16
17
19
18
27
19
46
73
100
100
99
99
75
50
25

ISS Passover

Visibility (miles)

7
5
5
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
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

35
32
28
26
24
14
9
1
1
5
9
5
25
49
33
66
79
81
85
91
91
78
56
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.4
0.6
0.6
0.6
0.6
0.7
0.5
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
78
80
76
76
82
86
89
90
91
93
93
93
91
93
91
91
91
93
88
85
81
76
71

Pressure (mb)

1020
1020
1020
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

357
360
362
364
366
367
369
371
372
376
382
387
389
386
383
381
378
376
374
373
372
371
375
378

Saturday 18

Waxing Crescent 2%

06:36

22:19

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

Sun - Rise: 06:10, Set: 20:14, Transit: 13:13. Moon - Rise: 06:36, Set: 22:19. Civil Dark: 20:49 - 05:34. Nautical Dark: 21:33 - 04:50. Astro Dark: 22:23 - 04:00

Total Clouds (% Sky Obscured)

94
87
82
75
73
80
60
39
18
19
20
17
31
49
61
51
43
40
42
45
46
47
48
49

Low Clouds (% Sky Obscured)

53
54
47
43
38
34
29
24
18
19
20
17
31
38
39
36
31
32
35
37
44
47
48
49

Medium Clouds (% Sky Obscured)

68
57
45
45
38
30
17
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
16
13
8
4
3
2
1
1
1
1
1
4
8
11
13
9
8
6
8
5
4
3
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
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 (%)

22
25
28
27
22
9
9
2
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
64
63
61
65
70
75
80
85
91
90
91
91
93
93
93
93
91
91
84
77
72
67
64

Pressure (mb)

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

Ozone (du)

382
387
393
398
394
389
385
384
384
383
381
380
378
375
372
369
369
368
368
367
366
365
365
365

Sunday 19

Waxing Crescent 7%

07:14

23:50

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 Good
21 Good
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:08, Set: 20:16, Transit: 13:13. Moon - Rise: 07:14, Set: 23:50. Civil Dark: 20:51 - 05:32. Nautical Dark: 21:35 - 04:48. Astro Dark: 22:25 - 03:57

Total Clouds (% Sky Obscured)

50
52
54
47
44
34
23
11
0
35
62
75
71
64
62
67
74
85

Low Clouds (% Sky Obscured)

50
52
54
47
44
34
23
11
0
13
20
29
42
53
62
63
62
61

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

3
4
5
9
18
34
23
11
0
35
49
73
60
39
16
26
31
36

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 (%)

6
9
9
10
10
10
9
7
0
2
2
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)

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

Chance of Frost

Temperature (°C)

15
14
14
14
13
13
12
10
9
7
6
6
5
5
4
3
3
3

Feels Like (°C)

8
14
14
14
14
14
13
10
9
8
8
7
6
4
4
3
2
2

Dew Point (°C)

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

Relative Humidity (%)

61
64
69
71
74
77
79
81
84
84
85
85
85
85
86
85
83
85

Pressure (mb)

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

Ozone (du)

365
365
364
364
363
362
361
362
363
364
365
367
368
369
370
371
372
373

Welcome to Clear Outside

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

Generated: 13/04/26 13:06:05. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+1.00