Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 93%

17:19

04:32

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 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good

Sun - Rise: 05:34, Set: 20:46, Transit: 13:10. Moon - Rise: 17:19, Set: 04:32. Civil Dark: 21:30 - 04:51. Nautical Dark: 22:29 - 03:52. Astro Dark: 23:50 - 02:24

Total Clouds (% Sky Obscured)

88
87
85
72
87
95
97
100
88
93
92
85
78
61
39
18
5
6
3
0
0
0
1
0

Low Clouds (% Sky Obscured)

72
73
74
72
87
88
93
100
84
89
88
78
69
45
39
18
5
6
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
3
12
14
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
6
6
3
3
3
4
23
10
61
80
64
46
15
11
4
4
4
3
0
0
0
1
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
48
100
100
100
100
100
48
2
3
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
14
0
0
0
0
0
0
0
0
1
1
1
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
5
4
5
5
5
6
6
6
6
7
7
8
8
8
9
10
10
10
9
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
7
6
6
6
6
6
6
6
6
6
6
6
6
5
5
5
5
5

Relative Humidity (%)

88
90
93
96
98
96
91
87
85
84
82
81
77
72
67
63
63
63
65
64
67
74
81
84

Pressure (mb)

1030
1030
1030
1031
1031
1031
1031
1031
1032
1032
1032
1032
1032
1033
1032
1032
1032
1032
1032
1032
1032
1032
1032
1033

Ozone (du)

397
394
393
390
387
383
378
375
373
372
371
370
371
371
369
366
364
361
358
357
356
355
354
352

Tuesday 28

Waxing Gibbous 93%

18:39

04:37

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

Sun - Rise: 05:32, Set: 20:48, Transit: 13:10. Moon - Rise: 18:39, Set: 04:37. Civil Dark: 21:32 - 04:48. Nautical Dark: 22:32 - 03:48. Astro Dark: 23:57 - 02:17

Total Clouds (% Sky Obscured)

4
8
5
1
7
11
15
14
22
34
31
4
3
3
3
3
3
2
3
0
0
0
0
0

Low Clouds (% Sky Obscured)

4
8
5
1
7
11
15
14
22
34
31
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
2
2
3
3
3
3
2
2
2
2
2
0
0
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
0
0
6
2
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
90
90
89
89
91
86
78
69
62
57
55
54
53
52
51
51
53
62
72
78
82

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1032
1032
1031
1031
1031
1030
1030
1030
1030
1031
1031

Ozone (du)

350
350
350
351
352
352
351
351
351
351
352
353
354
354
354
354
354
354
355
355
356
356
357
358

Wednesday 29

Waxing Gibbous 97%

20:00

04:43

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

Sun - Rise: 05:30, Set: 20:50, Transit: 13:10. Moon - Rise: 20:00, Set: 04:43. Civil Dark: 21:35 - 04:46. Nautical Dark: 22:35 - 03:45. Astro Dark: 00:04 - 02:09

Total Clouds (% Sky Obscured)

0
0
0
1
7
15
25
39
43
40
40
5
3
3
4
3
2
0
1
1
1
2
2
2

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
1
7
15
25
39
37
35
40
5
2
3
4
3
2
0
1
1
1
2
2
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
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
5
6
5
5
5
6
5
7
10
10
11
11
12
11
11
11
11
10
9
7
6
5

Chance of Frost

Temperature (°C)

8
8
7
7
6
6
6
6
6
8
9
11
12
14
15
16
17
18
18
18
16
14
12
10

Feels Like (°C)

7
7
6
5
5
4
2
2
4
5
6
8
10
11
12
14
15
16
17
17
15
14
12
10

Dew Point (°C)

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

Relative Humidity (%)

85
85
84
82
81
82
82
79
76
69
66
60
56
52
51
49
46
45
46
55
62
71
79
84

Pressure (mb)

1031
1031
1031
1030
1030
1029
1029
1029
1028
1028
1028
1027
1027
1026
1025
1024
1023
1022
1021
1020
1020
1020
1020
1020

Ozone (du)

359
360
363
369
371
370
370
371
373
377
379
381
383
384
384
384
383
383
384
384
383
383
384
385

Thursday 30

Waxing Gibbous 99%

21:21

04:51

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

Sun - Rise: 05:28, Set: 20:52, Transit: 13:10. Moon - Rise: 21:21, Set: 04:51. Civil Dark: 21:37 - 04:43. Nautical Dark: 22:39 - 03:42. Astro Dark: 00:11 - 02:00

Total Clouds (% Sky Obscured)

1
1
0
0
0
14
33
65
94
78
97
98
95
97
97
97
98
98
99
100
82
66
53
63

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
22
41
62
64
66
75
75
66
56
47
41
39
22
14
7
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
14
31
47
51
55
93
80
57
40
24
20
14
40
70
97
61
39
6
14

High Clouds (% Sky Obscured)

1
1
0
0
0
0
4
20
42
33
14
58
57
82
67
87
95
96
98
100
82
66
53
47

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

Precipitation Probability (%)

0
0
0
0
0
0
1
3
29
54
64
47
31
20
20
14
1
1
0
0
2
4
1
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
3
3
3
3
2
2
1
1
2
2
2
2
3
6
9
13
13
13
13
12
11
10

Chance of Frost

Temperature (°C)

10
9
8
7
7
6
6
6
6
7
8
9
10
11
12
13
14
16
15
15
15
14
13
12

Feels Like (°C)

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

Dew Point (°C)

8
7
7
6
5
4
4
4
3
3
2
1
1
1
2
5
7
9
9
9
10
11
10
10

Relative Humidity (%)

88
90
90
91
91
90
90
90
82
74
65
60
53
49
51
60
61
63
64
66
73
80
86
90

Pressure (mb)

1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

386
387
386
386
388
388
387
386
385
384
381
379
379
378
376
373
371
371
369
368
368
368
368
368

Friday 1

Full Moon 100%

22:43

05:02

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
21 Bad
22 Bad

Sun - Rise: 05:25, Set: 20:54, Transit: 13:10. Moon - Rise: 22:43, Set: 05:02. Civil Dark: 21:39 - 04:41. Nautical Dark: 22:42 - 03:38. Astro Dark: 00:20 - 01:49

Total Clouds (% Sky Obscured)

76
90
78
65
56
61
63
68
74
88
96
95
92
90
86
80
76
73
71
69
60
54
45
45

Low Clouds (% Sky Obscured)

50
71
53
37
21
13
7
0
6
13
20
17
19
11
28
45
62
59
56
52
38
28
15
15

Medium Clouds (% Sky Obscured)

22
30
16
8
0
6
12
38
34
30
33
40
46
40
38
36
41
62
71
69
60
54
45
45

High Clouds (% Sky Obscured)

43
30
30
25
30
35
40
55
53
70
75
65
50
20
18
4
6
4
4
10
5
5
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
7
5
3
3
3
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
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

9
1
5
6
0
1
2
0
0
1
0
8
40
38
50
56
52
58
56
58
74
88
95
90

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.8
1.2
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
93
95
95
95
96
95
91
87
80
72
68
66
72
74
74
74
79
84
90
93
95
96

Pressure (mb)

1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1011
1011
1011
1011
1012
1012

Ozone (du)

367
366
366
366
366
365
365
366
366
366
367
367
372
375
377
378
379
379
378
378
377
380
382
385

Saturday 2

Waning Gibbous 98%

No Rise

05:18

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
21 OK
22 OK

Sun - Rise: 05:23, Set: 20:56, Transit: 13:10. Moon - Rise: No Rise, Set: 05:18. Civil Dark: 21:42 - 04:38. Nautical Dark: 22:45 - 03:35. Astro Dark: 00:31 - 01:34

Total Clouds (% Sky Obscured)

45
45
50
51
56
53
42
42
65
81
86
84
77
70
74
80
89
87
85
82
59
36
13
30

Low Clouds (% Sky Obscured)

15
15
23
26
27
27
27
27
36
45
54
56
61
61
57
55
50
51
50
51
36
22
8
22

Medium Clouds (% Sky Obscured)

45
45
45
44
44
48
42
42
44
44
50
44
38
37
51
66
80
73
70
71
49
26
4
9

High Clouds (% Sky Obscured)

0
0
0
5
10
15
15
20
20
20
20
17
4
3
11
19
28
18
9
0
0
0
0
1

ISS Passover

Visibility (miles)

4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
7
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

79
66
60
53
43
37
33
28
27
29
32
28
23
18
16
14
10
10
9
4
7
8
8
9

Precipitation Amount (mm)

0.5
0.3
0.2
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
4
4
4
4
4
4
4
4
6
7
5
4
5
3
3
3
3
4
5
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
94
94
96
94
94
93
93
93
93
93
93
91
91
90
90
90
90
90
90
91
91

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

388
390
393
395
397
399
399
399
400
400
399
399
399
399
398
398
397
396
397
397
398
398
398
398

Sunday 3

Waning Gibbous 95%

00:00

05:42

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

Sun - Rise: 05:21, Set: 20:58, Transit: 13:10. Moon - Rise: 00:00, Set: 05:42. Civil Dark: 21:44 - 04:36. Nautical Dark: 22:48 - 03:31. Astro Dark: 00:46 - N/A

Total Clouds (% Sky Obscured)

49
68
60
46
30
30
30
35
35
40
50
63
73
80
84
88
91
92
95
96

Low Clouds (% Sky Obscured)

36
53
40
29
25
25
25
35
35
40
35
46
57
68
67
69
72
60
50
42

Medium Clouds (% Sky Obscured)

19
35
45
46
30
30
30
34
23
20
17
15
13
8
22
36
52
59
61
60

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
6
16
26
20
9
1

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
91
91
91
91
89
89
88
87
84
81
80
77
76
76
75
75
75
75

Pressure (mb)

1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010
1010

Ozone (du)

398
398
397
397
397
397
397
397
397
399
400
402
402
402
403
403
403
402
402
402

Forecast for Ratho, Edinburgh, United Kingdom (55.92,-3.38)

Generated: 27/04/26 23:20:53. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+1.00