Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 2%

06:10

22:19

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

Sun - Rise: 06:12, Set: 20:14, Transit: 13:13. Moon - Rise: 06:10, Set: 22:19. Civil Dark: 20:49 - 05:37. Nautical Dark: 21:33 - 04:53. Astro Dark: 22:23 - 04:03

Total Clouds (% Sky Obscured)

36
44
40
64
55
52
54
56
61
65
47
33
35
40
26
0
0
17
12
25
35
40
45
52

Low Clouds (% Sky Obscured)

33
31
39
47
47
39
43
46
55
65
47
33
35
40
26
0
0
17
12
25
35
40
45
52

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
4
0
0
0
0
0
0
0
0
1
2
0
0
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
1
0
0
0
0
0
0
0
2
3
8
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)

5
4
4
5
8
12
12
12
12
12
13
14
14
14
12
10
8
8
6
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
95
87
75
66
62
60
60
64
68
67
73
77
87
93
93
94
93
93
91
91

Pressure (mb)

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

Ozone (du)

401
400
401
398
398
399
398
398
399
401
404
408
411
417
415
408
405
402
400
400
402
402
401
398

Sunday 19

Waxing Crescent 7%

06:36

23:50

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 Bad
17 Bad
18 Bad
19 OK
20 Good
21 Good
22 OK
23 Bad
00 OK
01 OK
02 OK
03 OK

Sun - Rise: 06:10, Set: 20:16, Transit: 13:13. Moon - Rise: 06:36, Set: 23:50. Civil Dark: 20:51 - 05:34. Nautical Dark: 21:35 - 04:50. Astro Dark: 22:25 - 03:57

Total Clouds (% Sky Obscured)

53
68
72
57
39
20
46
55
64
81
93
89
81
73
57
28
11
8
23
53
46
41
40
48

Low Clouds (% Sky Obscured)

53
62
67
57
39
20
46
55
64
71
71
66
64
66
57
28
11
5
23
53
46
41
40
48

Medium Clouds (% Sky Obscured)

3
3
11
2
2
0
0
0
0
0
31
31
3
0
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

2
20
20
8
1
2
0
0
6
29
5
2
12
2
2
5
2
2
1
11
1
1
2
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 (%)

1
10
69
64
6
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
3
0
1
8
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
1
2
5
8
10
11
12
13
11
11
11
11
11
12
10
8
6
5
4
4
4
3

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
88
82
75
68
65
62
61
60
62
66
74
72
75
81
84
84
83
86
86
86
86

Pressure (mb)

1027
1027
1027
1027
1028
1028
1028
1028
1027
1027
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024

Ozone (du)

393
390
387
386
385
386
388
389
387
387
387
385
383
381
381
381
381
381
381
381
380
379
379
380

Monday 20

Waxing Crescent 14%

07:14

01:11

04 Bad
05 Bad
06 OK
07 Good
08 Good
09 Good
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 Good
01 Good
02 Good
03 Good

Sun - Rise: 06:08, Set: 20:17, Transit: 13:12. Moon - Rise: 07:14, Set: 01:11. Civil Dark: 20:53 - 05:32. Nautical Dark: 21:37 - 04:48. Astro Dark: 22:28 - 03:54

Total Clouds (% Sky Obscured)

53
41
27
3
3
2
47
69
89
86
86
78
75
74
64
53
23
22
27
13
4
3
4
4

Low Clouds (% Sky Obscured)

53
41
27
0
0
0
47
69
76
69
62
62
59
46
39
2
1
1
1
1
1
2
2
2

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
34
26
27
38
30
26
74
64
53
20
5
22
12
2
2
2
2

High Clouds (% Sky Obscured)

3
1
1
2
2
1
1
0
0
1
1
4
1
3
3
1
2
11
1
1
2
0
1
2

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
2
4
18
20
5
5
6
6
5
15
3
1
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)

4
4
4
4
4
6
8
10
10
11
10
10
9
7
6
4
2
1
2
2
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
89
86
81
75
73
71
70
70
70
68
70
68
70
80
85
85
86
89
89
89
91
89

Pressure (mb)

1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024

Ozone (du)

381
381
381
382
382
383
384
386
388
390
391
392
393
394
394
392
390
390
392
392
392
393
392
393

Tuesday 21

Waxing Crescent 24%

08:07

02:15

04 Good
05 Good
06 Good
07 OK
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
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK
03 OK

Sun - Rise: 06:06, Set: 20:19, Transit: 13:12. Moon - Rise: 08:07, Set: 02:15. Civil Dark: 20:54 - 05:30. Nautical Dark: 21:39 - 04:45. Astro Dark: 22:31 - 03:51

Total Clouds (% Sky Obscured)

4
6
6
29
61
59
74
89
98
94
65
85
87
88
100
96
91
89
77
65
43
42
40
40

Low Clouds (% Sky Obscured)

3
4
5
16
28
35
52
65
80
71
48
52
48
38
23
21
18
13
9
5
2
2
6
13

Medium Clouds (% Sky Obscured)

3
3
0
0
0
0
18
44
53
45
35
35
67
22
10
42
56
58
51
50
43
42
40
40

High Clouds (% Sky Obscured)

1
1
0
26
60
59
51
29
9
8
17
39
56
53
100
90
82
72
61
50
34
15
19
15

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
19
23
18
10
5
8
14
14
10
1
7
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)

5
5
6
7
11
14
17
17
17
17
17
17
17
15
15
14
14
14
14
14
15
15
16
16

Chance of Frost

Temperature (°C)

3
3
3
4
6
7
9
10
11
11
11
13
12
12
12
11
10
9
9
8
7
7
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
94
88
82
74
71
70
77
75
65
76
77
81
80
78
74
75
77
75
76
78
76

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1021
1022
1022
1022
1022
1022
1022
1022
1021

Ozone (du)

393
392
392
392
392
392
393
393
393
391
389
385
381
379
378
378
377
377
377
376
376
376
374
374

Wednesday 22

Waxing Crescent 35%

09:17

03:00

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

Sun - Rise: 06:04, Set: 20:20, Transit: 13:12. Moon - Rise: 09:17, Set: 03:00. Civil Dark: 20:56 - 05:28. Nautical Dark: 21:41 - 04:43. Astro Dark: 22:33 - 03:48

Total Clouds (% Sky Obscured)

54
74
99
70
40
5
5
5
5
5
0
0
33
67
97
77
71
65
60
58
48
47
45
45

Low Clouds (% Sky Obscured)

18
12
7
1
1
0
0
0
0
0
0
0
0
0
0
6
12
18
12
6
0
0
0
0

Medium Clouds (% Sky Obscured)

49
48
40
40
40
5
5
5
5
5
0
0
33
29
3
5
5
5
9
9
11
21
25
30

High Clouds (% Sky Obscured)

53
74
99
70
40
5
5
5
5
5
0
0
31
61
91
47
26
4
1
1
2
7
11
16

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
20
16
4
4
4
1
1
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)

16
15
15
14
16
17
19
19
20
21
20
19
18
17
15
13
9
7
6
7
8
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
82
82
79
77
72
67
64
62
64
66
67
68
71
73
77
80
84
78
73
67
70
71

Pressure (mb)

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

Ozone (du)

376
378
380
382
384
381
378
378
377
375
374
373
372
372
372
371
371
371
371
370
369
368
368
367

Thursday 23

Waxing Crescent 46%

10:39

03:30

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

Sun - Rise: 06:02, Set: 20:22, Transit: 13:12. Moon - Rise: 10:39, Set: 03:30. Civil Dark: 20:58 - 05:26. Nautical Dark: 21:43 - 04:40. Astro Dark: 22:36 - 03:45

Total Clouds (% Sky Obscured)

42
50
57
61
69
76
59
42
29
31
31
30
44
52
57
50
42
33
34
44
50
57
68
72

Low Clouds (% Sky Obscured)

0
0
0
10
20
29
21
15
9
17
20
25
20
21
16
11
6
0
0
0
0
11
20
31

Medium Clouds (% Sky Obscured)

35
42
53
52
47
45
32
20
8
5
3
2
2
2
4
7
11
15
31
44
50
54
51
47

High Clouds (% Sky Obscured)

21
29
28
13
8
4
4
5
6
7
8
10
6
6
4
13
18
23
19
19
20
20
20
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)

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

Chance of Frost

Temperature (°C)

4
4
4
4
6
8
10
11
13
15
15
15
16
15
14
13
12
10
8
8
8
7
7
6

Feels Like (°C)

2
2
2
2
1
2
3
4
5
5
12
12
13
13
13
13
9
10
10
9
8
8
5
5

Dew Point (°C)

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

Relative Humidity (%)

72
73
76
77
75
71
67
66
64
62
62
62
64
69
75
80
83
85
88
88
88
90
90
93

Pressure (mb)

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

Ozone (du)

367
369
370
371
372
372
373
372
372
371
371
370
370
369
368
367
366
364
362
362
361
360
361
362

Friday 24

First Quarter 58%

12:04

03:52

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 OK
20 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 06:00, Set: 20:24, Transit: 13:12. Moon - Rise: 12:04, Set: 03:52. Civil Dark: 21:00 - 05:24. Nautical Dark: 21:45 - 04:38. Astro Dark: 22:39 - 03:41

Total Clouds (% Sky Obscured)

68
73
79
80
82
85
85
85
84
83
84
82
77
70
60
48
33
20
20
21
23

Low Clouds (% Sky Obscured)

40
48
56
62
69
76
83
82
81
79
73
63
58
51
47
35
24
18
20
21
23

Medium Clouds (% Sky Obscured)

48
44
41
49
57
61
45
47
49
49
48
48
44
32
21
14
9
3
3
2
2

High Clouds (% Sky Obscured)

25
30
30
39
34
19
18
12
8
7
6
3
4
2
1
2
3
3
4
4
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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
1
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
3
4
2
3
3
4
5
5
11
10
10
10
10
11
9
9
9
8
7

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
93
85
79
74
71
68
66
66
66
68
71
75
79
81
84
87
87
88

Pressure (mb)

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

Ozone (du)

363
365
367
369
368
367
366
368
370
372
373
374
375
375
375
376
378
380
382
382
383

Welcome to Clear Outside

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

Generated: 18/04/26 04:25:27. Forecast: 18/04/26 to 24/04/26. Timezone: UTC+1.00