Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 99%

19:59

04:50

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

Sun - Rise: 05:27, Set: 20:50, Transit: 13:09. Moon - Rise: 19:59, Set: 04:50. Civil Dark: 21:34 - 04:42. Nautical Dark: 22:35 - 03:41. Astro Dark: 00:11 - 01:58

Total Clouds (% Sky Obscured)

2
3
1
0
0
1
0
13
10
41
65
80
99
55
29
39
41
80
76
74
97
91
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
5
24
27
12
48
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
7
7
12
17
73
70
36
36
43
40
19

High Clouds (% Sky Obscured)

2
3
1
0
0
1
0
8
6
39
65
80
99
49
14
36
32
6
4
10
26
43
43
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
4
3
4
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
1
6
20
18
11

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)

9
5
4
5
4
3
3
2
2
1
1
1
1
1
3
3
3
2
3
2
4
5
6
6

Chance of Frost

Temperature (°C)

15
14
12
10
9
9
8
8
7
7
6
6
6
8
10
12
13
15
16
17
18
18
17
16

Feels Like (°C)

14
14
12
10
9
9
9
8
8
8
6
4
5
7
9
12
13
15
15
17
17
16
16
14

Dew Point (°C)

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

Relative Humidity (%)

59
66
72
78
82
84
87
85
87
87
87
85
81
73
66
59
55
50
48
49
52
63
61
65

Pressure (mb)

1022
1022
1022
1022
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1020
1020
1020
1019
1018
1018
1017
1017
1017

Ozone (du)

383
384
384
384
386
388
387
385
384
383
383
383
385
387
386
385
383
381
380
379
377
376
375
374

Friday 1

Full Moon 100%

21:21

05:01

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 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: 05:25, Set: 20:52, Transit: 13:09. Moon - Rise: 21:21, Set: 05:01. Civil Dark: 21:36 - 04:40. Nautical Dark: 22:38 - 03:37. Astro Dark: 00:20 - 01:47

Total Clouds (% Sky Obscured)

92
99
100
98
100
99
100
84
100
82
83
66
31
45
57
59
74
75
91
87
85
88
92
94

Low Clouds (% Sky Obscured)

70
64
50
48
41
35
0
9
27
37
14
15
16
25
23
46
28
38
60
42
45
58
43
53

Medium Clouds (% Sky Obscured)

27
35
42
35
2
1
19
84
60
71
81
40
19
21
14
4
16
16
23
26
23
34
79
89

High Clouds (% Sky Obscured)

65
84
81
98
100
97
100
70
100
69
64
32
6
8
27
5
4
2
1
2
40
49
66
68

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 (%)

8
9
13
6
2
0
0
0
0
0
0
0
0
0
1
6
9
10
12
21
39
46
30
47

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

Chance of Frost

Temperature (°C)

16
15
14
13
13
12
11
10
10
10
10
10
11
12
13
14
15
16
16
17
17
17
15
14

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
10
9
9
8
8
8
8
8
9
9
9
9
9
9
9
8
8
5
5

Relative Humidity (%)

66
72
76
82
86
86
87
88
87
87
85
85
84
80
75
70
66
64
61
59
55
55
52
54

Pressure (mb)

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

Ozone (du)

374
374
374
373
378
377
381
383
385
386
384
382
377
375
373
374
376
377
378
375
373
372
373
374

Saturday 2

Waning Gibbous 98%

22:42

05:17

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: 05:22, Set: 20:54, Transit: 13:09. Moon - Rise: 22:42, Set: 05:17. Civil Dark: 21:39 - 04:37. Nautical Dark: 22:41 - 03:34. Astro Dark: 00:31 - 01:31

Total Clouds (% Sky Obscured)

91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

73
91
89
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
94
86
79
69

Medium Clouds (% Sky Obscured)

51
47
46
45
43
90
80
69
87
73
56
65
64
96
76
92
100
100
100
100
100
100
100
96

High Clouds (% Sky Obscured)

26
62
96
100
100
100
100
100
74
100
69
100
100
58
92
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
31
30
32
28
30
28
30
32
32
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 (%)

39
21
26
14
10
7
12
10
12
10
14
12
13
19
16
24
30
29
36
37
32
34
26
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
65
73
91
90
90
90
90
90
91
93
93
93
93
95
95
95
95
95
93
90
88
87
87

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

374
373
372
371
372
371
371
371
371
371
371
373
376
380
382
382
381
379
377
376
374
374
374
375

Sunday 3

Waning Gibbous 95%

00:00

05:41

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 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK

Sun - Rise: 05:20, Set: 20:56, Transit: 13:09. Moon - Rise: 00:00, Set: 05:41. Civil Dark: 21:41 - 04:35. Nautical Dark: 22:45 - 03:30. Astro Dark: 00:47 - N/A

Total Clouds (% Sky Obscured)

99
98
98
98
99
100
100
90
45
46
99
59
57
45
36
28
26
25
28
30
33
34
36
37

Low Clouds (% Sky Obscured)

70
73
76
81
92
100
100
90
45
46
70
59
57
45
36
28
26
25
28
30
33
34
36
37

Medium Clouds (% Sky Obscured)

80
66
60
58
54
49
49
46
43
46
88
59
52
32
5
3
2
0
13
25
33
34
32
29

High Clouds (% Sky Obscured)

95
88
79
64
50
35
3
21
2
2
32
4
2
2
0
0
0
0
0
0
0
0
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 (%)

13
11
7
10
10
9
10
10
6
9
9
7
6
4
2
2
3
3
2
1
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
5
5
5
5
5
5
6
6
6
6
6
5
5
5
3
2
2
1
0
0
0
2

Relative Humidity (%)

84
84
84
85
85
85
85
85
90
90
90
90
87
78
73
66
57
51
47
43
40
38
40
46

Pressure (mb)

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

Ozone (du)

374
373
373
373
375
377
378
376
374
374
375
375
375
374
374
372
371
370
369
368
367
367
370
375

Monday 4

Waning Gibbous 90%

01:07

06:20

19 OK
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: 05:18, Set: 20:58, Transit: 13:09. Moon - Rise: 01:07, Set: 06:20. Civil Dark: 21:43 - 04:32. Nautical Dark: 22:48 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

39
56
78
81
92
94
97
98
99
97
91
85
70
66
68
71
74
77
81
85
92
93
91
87

Low Clouds (% Sky Obscured)

39
52
65
70
80
86
89
90
92
87
82
77
50
51
55
55
54
56
39
22
5
11
27
38

Medium Clouds (% Sky Obscured)

33
38
44
36
31
26
27
28
30
48
49
32
42
19
1
10
18
30
35
40
44
37
29
22

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

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 (%)

4
3
3
9
12
16
19
28
29
33
36
33
33
38
45
43
41
39
40
38
33
38
44
50

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
9
9
6
5
4
4
3
2
2
1
1
1
1
3
3
3
4
5
5
6
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

52
58
67
78
84
82
88
90
91
90
90
91
90
91
93
93
93
91
88
88
88
87
87
87

Pressure (mb)

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

Ozone (du)

375
376
379
383
383
382
381
382
382
383
384
384
385
384
383
382
383
384
385
384
384
384
383
381

Tuesday 5

Waning Gibbous 83%

01:57

07:15

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: 05:16, Set: 21:00, Transit: 13:09. Moon - Rise: 01:57, Set: 07:15. Civil Dark: 21:46 - 04:30. Nautical Dark: 22:51 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
91
93
90
84
75
50
37
20
20
15
15
22
21
29
53
76
100
100
100
100
83
74
67

Low Clouds (% Sky Obscured)

51
63
76
75
74
70
50
37
20
20
15
15
22
21
29
27
22
16
14
17
20
10
20
20

Medium Clouds (% Sky Obscured)

24
27
31
21
12
2
2
1
1
6
11
15
17
14
15
43
73
100
100
100
100
83
74
67

High Clouds (% Sky Obscured)

1
1
1
1
2
2
4
5
5
5
3
1
6
14
21
32
37
40
35
35
40
31
19
10

ISS Passover

Visibility (miles)

6
6
5
5
5
5
4
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

Precipitation Probability (%)

47
45
46
41
36
34
41
46
53
59
67
77
77
79
83
83
85
91
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0.2
0
0
0
0
0
0.2
0.3
0.4
0.6
0.6
0.6
0.7
0.7
0.6
0.7
0.9
1.1
1.3
1.2
1.3
1.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
85
85
86
89
89
93
94
96
96
98
98
98
98
98
98
98
98
100
100
98
98
100

Pressure (mb)

1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

380
381
382
383
383
383
383
387
391
395
399
403
407
409
411
413
416
420
424
426
429
431
435
439

Wednesday 6

Waning Gibbous 75%

02:31

08:27

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: 05:14, Set: 21:02, Transit: 13:09. Moon - Rise: 02:31, Set: 08:27. Civil Dark: 21:48 - 04:27. Nautical Dark: 22:55 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

72
75
79
84
92
100
99
98
98
98
99
100
93
93
93
95
97
97

Low Clouds (% Sky Obscured)

20
15
20
26
32
39
32
26
19
38
56
77
77
76
76
79
82
85

Medium Clouds (% Sky Obscured)

68
71
72
81
92
100
99
98
98
98
99
100
81
62
43
39
35
31

High Clouds (% Sky Obscured)

10
10
10
30
50
75
43
24
9
23
35
51
59
72
85
90
95
95

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
2
3
5
3
2
0
0
0

Fog (%)

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
Sleet
Sleet
Sleet
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
92
86
76
68
60
48
37
24
21
18
20
28
36
44
40
35
33

Precipitation Amount (mm)

1
0.7
0.5
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
1
1
1
1
1
1
2
1
1
1
1
1
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
98
98
96
96
96
94
94
91
91
85
81

Pressure (mb)

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

Ozone (du)

443
447
450
454
454
455
455
456
456
457
457
458
459
458
457
457
456
455

Forecast for Old Town, Edinburgh, United Kingdom (55.95,-3.19)

Generated: 30/04/26 18:11:00. Forecast: 30/04/26 to 06/05/26. Timezone: UTC+1.00