Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 68%

15:39

04:31

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

Sun - Rise: 06:58, Set: 20:45, Transit: 13:52. Moon - Rise: 15:39, Set: 04:31. Civil Dark: 21:14 - 06:28. Nautical Dark: 21:50 - 05:52. Astro Dark: 22:28 - 05:14

Total Clouds (% Sky Obscured)

8
3
3
32
38
38
34
42
51
62
67
77
84
69
57
70
72
76
81
47
3
3
19
28

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
9
11
0
0
0
4
23
29
31
23
4
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
3
21
18
18
17
21
27
28
33
41
43
34
28
30
36
35
34
21
2
3
10
16

High Clouds (% Sky Obscured)

8
3
3
18
27
26
20
25
26
18
4
28
33
10
3
5
8
15
21
10
3
3
15
10

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
1
1
4
3
4
5

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
5
4
2
2
2
2
2
3
3
3
2
2
2
2
2
1
4
6
8
10
10
10

Chance of Frost

Temperature (°C)

21
20
19
18
17
16
16
15
15
15
15
15
15
15
15
15
17
20
22
23
24
24
24
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
50
56
62
70
71
72
72
69
66
66
63
63
66
69
66
56
48
42
40
40
42
45
46

Pressure (mb)

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

Ozone (du)

347
351
353
354
354
353
352
355
360
361
359
353
346
344
345
348
352
359
364
365
365
365
363
361

Sunday 26

Waxing Gibbous 78%

16:45

04:53

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

Sun - Rise: 06:56, Set: 20:46, Transit: 13:52. Moon - Rise: 16:45, Set: 04:53. Civil Dark: 21:15 - 06:27. Nautical Dark: 21:51 - 05:51. Astro Dark: 22:30 - 05:12

Total Clouds (% Sky Obscured)

28
7
18
0
10
12
57
9
6
30
33
24
35
45
51
49
39
26
20
14
3
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

15
5
12
0
0
0
3
0
4
16
17
14
20
27
26
28
24
17
13
9
2
0
0
0

High Clouds (% Sky Obscured)

10
6
1
0
7
9
40
7
2
6
1
0
0
0
1
1
2
1
0
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
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
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
2
3
3

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

Chance of Frost

Temperature (°C)

23
22
22
20
19
18
16
16
15
15
14
14
14
14
14
14
17
20
22
24
24
24
24
24

Feels Like (°C)

21
21
20
21
20
18
17
17
17
17
15
15
15
15
14
15
17
20
22
23
23
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

45
44
45
51
57
61
63
65
67
66
66
63
62
59
55
51
42
38
36
35
35
34
34
34

Pressure (mb)

1019
1018
1018
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

359
358
357
357
358
357
356
356
356
356
355
354
354
350
346
342
341
339
340
341
341
341
338
338

Monday 27

Waxing Gibbous 86%

No Rise

05:14

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

Sun - Rise: 06:55, Set: 20:47, Transit: 13:51. Moon - Rise: No Rise, Set: 05:14. Civil Dark: 21:16 - 06:25. Nautical Dark: 21:52 - 05:49. Astro Dark: 22:31 - 05:10

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
2
2
8
40
40
16
10
32
43
74
34
50
52
50
47

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
2
12
10
10
7
11
13
26
38

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
2
2
8
40
40
16
5
4
21
52
13
24
16
11
8

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 (%)

3
2
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)

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

Chance of Frost

Temperature (°C)

23
22
21
20
19
17
16
15
15
14
14
13
13
13
13
14
17
20
21
22
23
23
23
22

Feels Like (°C)

22
22
20
20
19
18
17
16
15
14
13
12
12
10
10
13
17
19
20
21
21
22
21
21

Dew Point (°C)

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

Relative Humidity (%)

35
35
37
44
47
49
50
49
50
48
44
41
39
37
37
38
34
34
34
34
35
35
35
37

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012

Ozone (du)

339
339
338
337
336
336
337
337
336
337
337
338
337
336
336
336
335
334
333
332
332
332
333
334

Tuesday 28

Waxing Gibbous 92%

17:50

05:34

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

Sun - Rise: 06:54, Set: 20:48, Transit: 13:51. Moon - Rise: 17:50, Set: 05:34. Civil Dark: 21:18 - 06:24. Nautical Dark: 21:54 - 05:47. Astro Dark: 22:33 - 05:08

Total Clouds (% Sky Obscured)

39
32
29
39
80
100
100
100
100
86
72
58
57
60
66
68
73
82
84
78
52
77
80
59

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
8
21
25
27
8
19
15
25
29
32
33
34
38
39
40
39
40
41

Medium Clouds (% Sky Obscured)

39
32
23
29
51
97
99
99
100
86
72
58
15
16
51
42
21
20
22
26
29
27
26
23

High Clouds (% Sky Obscured)

10
11
13
23
75
100
100
66
73
44
22
36
27
17
17
24
34
52
45
34
4
25
26
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
1
3
4
9
13
15
13
11
6
6
6
2
7
8
6
16
19
18
21
21
19

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
7
6
5
4
4
6
4
3
4
4
5
6
5
6
6
6
8
12
12
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
42
42
46
51
51
52
52
52
53
49
54
54
57
58
56
48
42
44
46
46
44
43
44

Pressure (mb)

1012
1011
1011
1010
1010
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1010
1010
1010
1010
1010
1010
1009

Ozone (du)

333
332
332
331
331
330
329
328
328
328
327
327
328
326
327
328
328
329
329
329
330
331
333
336

Wednesday 29

Waxing Gibbous 97%

18:54

05:55

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:52, Set: 20:49, Transit: 13:51. Moon - Rise: 18:54, Set: 05:55. Civil Dark: 21:19 - 06:22. Nautical Dark: 21:55 - 05:46. Astro Dark: 22:34 - 05:06

Total Clouds (% Sky Obscured)

76
92
98
97
95
92
95
98
100
90
85
86
86
88
96
98
97
96
100
100
90
88
81
82

Low Clouds (% Sky Obscured)

47
51
53
48
54
86
91
97
100
85
73
70
59
54
55
41
40
32
40
48
49
49
45
38

Medium Clouds (% Sky Obscured)

22
19
14
44
91
85
42
36
32
31
26
22
29
30
40
32
35
35
32
26
18
28
40
54

High Clouds (% Sky Obscured)

20
33
37
33
12
2
4
7
9
12
15
16
14
10
6
98
93
85
95
95
55
45
31
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

17
15
11
15
28
43
47
30
26
21
20
18
19
22
22
44
61
73
62
57
63
69
77
84

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.3
0.2
0.3
0.4
0.6
0.8

Wind Speed/Direction (mph)

12
11
10
9
7
6
6
5
4
4
5
4
4
3
3
2
4
6
8
7
6
5
6
6

Chance of Frost

Temperature (°C)

22
21
20
19
18
18
18
18
18
17
18
18
18
17
18
17
17
18
18
19
20
21
21
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
51
53
59
62
64
71
71
70
68
72
77
81
81
79
74
69
64
59
60
60
61
61
62

Pressure (mb)

1009
1009
1009
1009
1010
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

340
346
348
349
350
346
343
341
340
339
338
336
334
334
334
336
337
338
340
341
342
343
344
345

Thursday 30

Waxing Gibbous 99%

19:58

06:18

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
13 Bad
14 Bad
15 Bad
16 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)

76
72
70
77
85
93
93
91
90
90
90
90
93
95
97
95
92
90
93
96
100
100
100
100

Low Clouds (% Sky Obscured)

38
35
38
31
26
20
21
20
18
18
16
17
15
14
12
20
26
32
44
56
67
62
58
52

Medium Clouds (% Sky Obscured)

48
42
34
48
62
73
71
74
75
70
67
62
73
84
95
88
81
74
82
90
85
81
82
77

High Clouds (% Sky Obscured)

28
24
23
38
50
65
59
58
57
58
64
63
65
76
84
62
39
26
53
78
100
100
100
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

75
71
72
77
70
20
24
20
5
14
20
2
9
14
16
18
15
6
24
35
39
50
63
56

Precipitation Amount (mm)

0.5
0.4
0.4
0.6
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
14
14
14
14
14
14
14
14
14
14
13
13
12
12
12
13
14
15
16
16
16
16
15

Relative Humidity (%)

63
67
70
75
77
79
82
85
86
89
89
87
86
86
84
84
79
75
71
71
70
70
69
69

Pressure (mb)

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

Ozone (du)

345
345
345
345
345
344
344
344
344
345
344
343
342
341
341
340
340
339
338
338
339
339
339
339

Friday 1

Full Moon 100%

21:02

06:45

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
13 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)

98
98
97
97
97
97
96
94
93
92
91
90
92
94
96
97
98
100
97
94
91

Low Clouds (% Sky Obscured)

51
49
46
41
36
31
43
60
73
79
87
90
92
94
95
96
95
96
95
94
91

Medium Clouds (% Sky Obscured)

59
40
18
14
10
6
6
6
6
6
7
8
11
15
16
20
34
29
45
39
27

High Clouds (% Sky Obscured)

97
94
89
89
91
93
70
47
26
40
48
60
59
70
84
78
74
67
44
22
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

72
69
44
63
63
58
63
63
56
55
54
56
49
44
39
43
39
26
42
47
47

Precipitation Amount (mm)

0.2
0.2
0
0.2
0.2
0
0.2
0.2
0
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
15
15
15
16
16
16
16
15
16
15
15
15
14
14
15
15
15
15
16

Relative Humidity (%)

69
72
75
78
82
86
92
92
93
93
95
93
95
92
89
89
86
82
80
77
77

Pressure (mb)

1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1018

Ozone (du)

339
340
340
341
346
351
356
357
357
358
357
357
356
358
359
361
363
366
369
369
370

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

Generated: 25/04/26 17:55:33. Forecast: 25/04/26 to 01/05/26. Timezone: UTC+2.00