Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 99%

19:58

06:18

19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
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: 06:51, Set: 20:50, Transit: 13:51. Moon - Rise: 19:58, Set: 06:18. Civil Dark: 21:20 - 06:21. Nautical Dark: 21:56 - 05:44. Astro Dark: 22:36 - 05:05

Total Clouds (% Sky Obscured)

37
40
40
76
100
55
54
55
47
43
60
76
100
100
100
92
93
87
85
100
100
65
91
100

Low Clouds (% Sky Obscured)

30
24
6
4
23
32
45
47
43
38
38
31
27
27
25
34
46
43
54
36
37
32
29
65

Medium Clouds (% Sky Obscured)

11
0
0
0
0
0
0
0
0
1
30
47
78
71
46
32
29
37
25
57
57
25
36
51

High Clouds (% Sky Obscured)

14
30
40
76
91
44
34
35
32
37
51
64
100
100
100
74
79
59
55
100
100
24
78
100

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
2
3
2
2
1
0
0
0
0
0
2
5
5
4
5
3
3
2

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
8
5
3
5
5
5
5
5
6
6
5
5
4
5
8
10
12
13
16
18
17
16
15

Chance of Frost

Temperature (°C)

23
21
20
18
17
16
15
15
15
16
16
16
16
16
18
20
21
22
23
23
23
22
22
21

Feels Like (°C)

23
22
19
17
16
15
14
14
14
15
15
15
15
15
16
18
19
19
19
19
18
18
18
17

Dew Point (°C)

16
16
17
16
14
13
13
13
13
14
14
13
13
13
13
13
13
14
14
13
13
11
11
11

Relative Humidity (%)

64
73
82
83
83
83
83
86
87
87
87
85
85
78
71
65
60
58
56
51
53
49
48
53

Pressure (mb)

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

Ozone (du)

340
341
341
340
339
339
338
342
343
343
344
344
344
344
344
344
344
346
348
349
349
350
353
356

Friday 1

Full Moon 100%

21:02

06:45

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: 06:50, Set: 20:51, Transit: 13:51. Moon - Rise: 21:02, Set: 06:45. Civil Dark: 21:21 - 06:20. Nautical Dark: 21:58 - 05:43. Astro Dark: 22:38 - 05:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
91
91
95
94
94
93
94
96
97
100
100
100
100
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
55
62
82
76
84
82
56
71
76
87
92
91
87
79
79
75
82
56
48
84
87
84
46

Medium Clouds (% Sky Obscured)

59
45
82
91
87
50
58
90
82
72
80
78
70
47
65
73
64
99
63
97
79
88
80
84

High Clouds (% Sky Obscured)

93
99
100
100
100
26
46
60
52
42
54
44
74
84
100
100
100
95
82
99
100
89
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
7
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
3
7
9
15
19
27
23
29
42
51
62
47
37
20
16
10
13
22
14
20
19
3
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
18
18
18
17
17
17
17
17
17
16
17
17
17
18
19
18
18
19
19
19
19
19

Feels Like (°C)

16
17
16
16
16
16
16
16
16
15
15
15
15
15
16
16
17
16
15
15
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

61
70
78
83
83
86
86
88
92
90
89
92
92
89
82
77
73
60
49
43
44
51
54
58

Pressure (mb)

1022
1022
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1024
1024
1023
1023
1023
1022
1022
1021
1020
1020

Ozone (du)

359
359
356
354
354
355
354
355
353
353
352
351
349
349
349
348
349
351
352
351
351
351
352
353

Saturday 2

Waning Gibbous 98%

22:06

07:17

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: 06:48, Set: 20:52, Transit: 13:51. Moon - Rise: 22:06, Set: 07:17. Civil Dark: 21:22 - 06:18. Nautical Dark: 21:59 - 05:41. Astro Dark: 22:39 - 05:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
94
99
95
97
96
91
82
83
91
91
97
98
99
100
100
100

Low Clouds (% Sky Obscured)

44
48
59
57
58
66
67
63
63
59
53
44
47
40
39
42
54
62
57
42
36
41
45
46

Medium Clouds (% Sky Obscured)

100
62
44
43
41
38
43
78
89
64
91
93
91
90
66
64
18
19
87
91
90
95
90
87

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
89
57
89
68
79
86
63
56
45
61
46
79
88
95
100
100
90

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 (%)

2
1
4
5
9
12
10
13
10
7
1
0
0
0
0
0
0
0
0
2
3
3
15
26

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
3
2
1
0
0
1
2
2
2
1
3
2
2
3
5
7
8
11
10
10
9
9
10

Chance of Frost

Temperature (°C)

19
18
18
17
17
16
16
16
16
16
16
15
15
16
17
18
20
21
21
21
21
20
20
19

Feels Like (°C)

17
17
17
17
16
16
16
16
15
14
15
14
14
15
15
16
16
17
17
18
18
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

62
70
78
83
85
86
86
87
87
87
89
89
87
83
71
58
53
49
51
56
61
66
72
73

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014

Ozone (du)

353
353
355
355
355
356
357
357
356
356
356
358
359
360
361
362
362
363
362
363
362
362
363
362

Sunday 3

Waning Gibbous 95%

23:09

07:56

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: 06:47, Set: 20:53, Transit: 13:51. Moon - Rise: 23:09, Set: 07:56. Civil Dark: 21:23 - 06:17. Nautical Dark: 22:00 - 05:40. Astro Dark: 22:41 - 04:59

Total Clouds (% Sky Obscured)

100
97
95
92
92
94
97
96
95
94
94
82
84
83
91
80
70
58
49
61
93
77
76
81

Low Clouds (% Sky Obscured)

56
46
35
19
25
25
25
33
35
44
41
52
66
70
72
70
64
55
45
42
39
37
35
31

Medium Clouds (% Sky Obscured)

72
74
88
38
34
25
74
80
19
66
46
25
25
33
71
40
33
25
19
22
18
15
9
4

High Clouds (% Sky Obscured)

100
95
90
83
83
89
94
60
82
72
58
33
27
18
9
1
4
7
11
29
77
70
70
75

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 (%)

24
20
7
2
6
7
7
14
11
1
4
8
10
14
15
14
19
37
33
32
33
36
41
41

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

Chance of Frost

Temperature (°C)

19
18
17
16
16
15
14
14
13
13
13
14
14
15
16
17
19
20
20
21
21
21
21
21

Feels Like (°C)

16
16
16
15
15
14
14
14
14
13
13
13
16
16
17
17
18
20
20
20
20
19
21
20

Dew Point (°C)

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

Relative Humidity (%)

78
82
83
82
83
78
76
80
80
84
83
83
84
78
70
64
58
56
54
53
57
62
66
66

Pressure (mb)

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

Ozone (du)

360
360
360
360
363
362
362
362
363
362
363
365
367
369
368
366
363
362
362
363
364
370
371
371

Monday 4

Waning Gibbous 90%

00:07

08:42

19 Bad
20 Bad
21 Bad
22 OK
23 OK
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: 06:46, Set: 20:54, Transit: 13:51. Moon - Rise: 00:07, Set: 08:42. Civil Dark: 21:25 - 06:16. Nautical Dark: 22:02 - 05:38. Astro Dark: 22:42 - 04:57

Total Clouds (% Sky Obscured)

81
67
44
25
27
37
46
56
57
57
59
61
74
81
76
70
72
71
71
57
44
31
42
53

Low Clouds (% Sky Obscured)

28
24
20
21
15
26
31
43
44
45
28
2
0
35
31
21
26
29
28
25
19
12
18
22

Medium Clouds (% Sky Obscured)

0
0
0
0
6
8
11
14
15
16
23
25
33
5
7
8
13
16
15
9
4
0
0
0

High Clouds (% Sky Obscured)

75
50
25
0
0
0
0
0
0
0
0
0
0
0
0
1
1
3
34
34
35
26
34
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
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 (%)

36
42
46
12
7
5
14
11
16
16
25
34
7
44
47
44
39
33
23
28
31
31
37
40

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

Chance of Frost

Temperature (°C)

20
19
18
17
16
15
15
14
14
13
13
14
14
14
16
17
19
20
21
22
22
21
21
20

Feels Like (°C)

20
19
19
19
18
17
16
15
14
13
13
15
16
16
18
17
18
19
21
22
22
21
20
20

Dew Point (°C)

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

Relative Humidity (%)

68
72
83
86
87
89
92
92
89
84
83
86
87
82
72
64
56
56
55
54
57
60
64
68

Pressure (mb)

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

Ozone (du)

373
372
372
375
380
380
380
379
378
379
377
377
378
378
377
376
375
373
371
369
368
367
366
367

Tuesday 5

Waning Gibbous 83%

00:58

09:36

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

Sun - Rise: 06:45, Set: 20:55, Transit: 13:51. Moon - Rise: 00:58, Set: 09:36. Civil Dark: 21:26 - 06:14. Nautical Dark: 22:03 - 05:37. Astro Dark: 22:44 - 04:56

Total Clouds (% Sky Obscured)

64
74
83
91
91
90
88
65
42
19
23
26
29
29
29
30
44
58
73
63
52
42
36
30

Low Clouds (% Sky Obscured)

30
37
44
51
60
68
79
59
37
16
20
24
28
29
29
28
42
57
71
61
52
41
35
27

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

53
56
59
65
51
43
34
21
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
8
6
5
6
6
7
7
7
6
7
8
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

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

Precipitation Probability (%)

45
50
50
55
54
57
63
52
40
31
28
27
23
21
13
3
16
22
27
26
21
14
19
14

Precipitation Amount (mm)

0.2
0.3
0
0.2
0.2
0.3
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
17
17
16
16
16
16
15
15
15
14
14
16
17
18
20
21
21
21
21
21
20

Feels Like (°C)

19
19
16
16
17
16
15
14
16
17
17
17
16
16
17
17
17
19
20
21
21
19
18
18

Dew Point (°C)

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

Relative Humidity (%)

72
77
82
86
90
86
81
77
78
79
80
79
76
74
72
67
65
63
63
61
60
58
57
60

Pressure (mb)

1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

367
368
368
369
370
373
377
380
381
382
383
384
385
385
387
390
392
391
391
390
388
386
384
383

Wednesday 6

Waning Gibbous 75%

01:42

10:35

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

Sun - Rise: 06:44, Set: 20:56, Transit: 13:51. Moon - Rise: 01:42, Set: 10:35. Civil Dark: 21:27 - 06:13. Nautical Dark: 22:04 - 05:35. Astro Dark: 22:45 - 04:54

Total Clouds (% Sky Obscured)

24
25
26
27
36
42
40
35
35
35
51
67
79
83
85
90
91
91
93

Low Clouds (% Sky Obscured)

20
17
15
13
15
20
20
16
16
15
17
15
20
18
19
18
18
18
17

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
2
1
1
0
0
0
0
13
21
43
38
46
60

High Clouds (% Sky Obscured)

0
3
6
9
8
7
5
6
7
7
19
30
43
44
40
45
47
49
50

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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
6
5
4
3
3
3
4
4
5
4
3
3
1
3
6
7
8

Chance of Frost

Temperature (°C)

19
18
17
16
15
15
15
15
15
14
14
14
14
14
16
18
19
20
20

Feels Like (°C)

18
18
17
16
17
17
16
16
15
14
15
14
14
13
13
15
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

63
66
71
73
77
76
76
76
74
71
70
68
67
64
59
56
53
52
53

Pressure (mb)

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

Ozone (du)

383
382
382
382
382
381
380
379
379
380
380
378
376
374
376
378
380
381
383

Forecast for Altafulla, Tarragona, Spain (41.14,1.38)

Generated: 30/04/26 19:44:07. Forecast: 30/04/26 to 06/05/26. Timezone: UTC+2.00