Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 12%

10:52

20:45

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 Good
23 Bad
00 Bad

Sun - Rise: 08:17, Set: 17:30, Transit: 12:53. Moon - Rise: 10:52, Set: 20:45. Civil Dark: 18:01 - 07:46. Nautical Dark: 18:36 - 07:11. Astro Dark: 19:09 - 06:38

Total Clouds (% Sky Obscured)

64
69
77
100
100
90
100
100
100
99
100
100
100
100
100
100
100
100
71
70
76
6
67
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
1
0
44
39
34
41
82
100
93
83
70
60
41
40
0
5
0
0

Medium Clouds (% Sky Obscured)

64
69
77
100
72
74
52
71
100
98
100
100
100
100
100
98
87
68
39
32
36
2
14
18

High Clouds (% Sky Obscured)

20
30
32
100
100
29
100
100
100
80
100
100
100
100
100
100
100
99
10
17
58
6
51
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
4
6
14
23
32
44
40
50
74
77
64
59
42
14
8
7
6
3
2
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
1
1
0
0
1
1
1
1
0
-1
-0
-0
1
1
1
2
2
2
2
2
1
2
2

Relative Humidity (%)

67
70
72
72
72
73
73
73
72
66
57
54
52
55
58
60
62
64
65
69
66
64
64
66

Pressure (mb)

1006
1006
1007
1006
1005
1005
1005
1005
1005
1006
1006
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007
1007
1007

Ozone (du)

425
421
417
416
417
416
416
416
417
416
415
414
411
407
409
410
414
419
423
417
411
409
408
406

Wednesday 24

Waxing Crescent 19%

11:19

21:52

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 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:17, Set: 17:30, Transit: 12:54. Moon - Rise: 11:19, Set: 21:52. Civil Dark: 18:01 - 07:46. Nautical Dark: 18:36 - 07:12. Astro Dark: 19:10 - 06:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
95
85
87
82
68
52
64
30
9
8
29
33
37
37
36
40
61
73
77

Low Clouds (% Sky Obscured)

5
10
27
59
44
66
58
62
38
1
1
1
2
1
1
0
1
1
0
0
0
25
52
49

Medium Clouds (% Sky Obscured)

22
18
98
95
100
91
85
68
55
68
48
28
19
8
7
22
23
22
20
21
29
55
45
44

High Clouds (% Sky Obscured)

100
96
100
100
93
22
8
7
35
35
1
27
3
2
3
4
5
33
37
32
6
1
0
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
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
3
2
5
21
25
30
17
16
4
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

8
7
7
7
6
7
8
7
8
8
10
12
13
13
13
13
12
10
8
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
64
62
64
66
65
65
65
68
63
56
52
52
52
54
57
63
72
75
78
76
78
76
75

Pressure (mb)

1008
1008
1009
1008
1008
1008
1008
1008
1009
1009
1009
1008
1007
1006
1006
1006
1006
1006
1007
1007
1008
1008
1008
1009

Ozone (du)

405
405
408
413
406
400
398
396
395
395
391
393
395
393
391
392
387
382
382
381
380
381
383
384

Thursday 25

Waxing Crescent 28%

11:42

22:59

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
23 Bad
00 Bad

Sun - Rise: 08:18, Set: 17:31, Transit: 12:54. Moon - Rise: 11:42, Set: 22:59. Civil Dark: 18:02 - 07:47. Nautical Dark: 18:37 - 07:12. Astro Dark: 19:10 - 06:38

Total Clouds (% Sky Obscured)

89
100
100
100
100
97
99
100
100
100
100
97
100
99
94
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
89
100
100
100
93
99
100
100
95
91
96
100
95
70
85
74
69
61
51
72
73
61
71

Medium Clouds (% Sky Obscured)

87
100
97
97
94
95
92
45
56
41
90
93
29
70
61
56
69
90
30
44
100
100
97
65

High Clouds (% Sky Obscured)

1
1
2
1
1
2
40
45
4
1
3
6
46
80
83
68
100
100
100
100
100
100
68
100

ISS Passover

Visibility (miles)

9
9
9
9
9
5
3
2
3
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
15
33
53
76
95
95
95
90
75
68
53
38
33
33
31
27
20
28
35
41
42
43
42

Precipitation Amount (mm)

0
0
0
0
0.4
0.9
1.4
1.3
0.7
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
0
0
1
1
1
3
4
3
2
3
5
6
6
6
5
5
5
4
5
5
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
75
74
77
88
93
91
91
90
88
85
81
80
76
74
80
84
84
84
84
80
78
80

Pressure (mb)

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

Ozone (du)

384
384
384
384
382
381
382
381
383
384
385
385
385
385
383
381
380
379
379
379
379
378
374
371

Friday 26

Waxing Crescent 38%

12:04

00:07

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
23 Bad
00 Bad

Sun - Rise: 08:18, Set: 17:32, Transit: 12:55. Moon - Rise: 12:04, Set: 00:07. Civil Dark: 18:03 - 07:47. Nautical Dark: 18:37 - 07:12. Astro Dark: 19:11 - 06:39

Total Clouds (% Sky Obscured)

100
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)

71
70
68
72
74
75
80
83
88
86
82
80
79
80
81
79
79
79
74
69
63
65
69
73

Medium Clouds (% Sky Obscured)

65
100
100
100
100
100
92
50
83
95
97
96
64
94
75
54
44
86
96
97
100
98
97
98

High Clouds (% Sky Obscured)

100
89
100
100
100
96
100
100
100
100
100
100
81
89
81
76
74
100
100
100
100
100
100
91

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

46
54
61
93
95
68
50
70
82
95
95
91
95
95
95
85
88
80
87
92
95
95
95
93

Precipitation Amount (mm)

0
0
0
0.6
1.6
0
0
0.2
0
0.4
0.4
0
0.9
1
0.5
0.3
0.5
0.4
0.5
0.5
0.8
1
0.8
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
10
10
11
11
11
11
11
11
11
12
12
13
13
13
12
12
12
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
81
88
91
87
84
90
84
84
86
87
90
86
90
92
93
90
90
93
91
87
90

Pressure (mb)

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

Ozone (du)

369
369
369
370
370
370
370
369
368
366
365
366
366
366
363
360
358
356
356
354
352
351
350
348

Saturday 27

First Quarter 50%

12:26

No Set

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
23 Bad
00 Bad

Sun - Rise: 08:18, Set: 17:32, Transit: 12:55. Moon - Rise: 12:26, Set: No Set. Civil Dark: 18:03 - 07:47. Nautical Dark: 18:38 - 07:13. Astro Dark: 19:12 - 06:39

Total Clouds (% Sky Obscured)

100
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)

76
75
74
83
89
100
95
90
79
82
75
67
71
73
73
71
69
67
71
70
72
71
72
73

Medium Clouds (% Sky Obscured)

98
98
99
100
100
100
95
68
29
33
40
43
60
75
69
70
61
57
34
35
55
69
80
85

High Clouds (% Sky Obscured)

99
100
100
73
43
25
43
70
100
100
100
100
100
100
100
77
53
30
34
39
43
47
51
55

ISS Passover

Visibility (miles)

4
9
9
6
9
9
9
9
9
9
9
8
5
6
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

95
91
87
95
95
95
93
85
80
81
79
80
95
95
90
89
85
75
83
86
72
75
75
73

Precipitation Amount (mm)

0.5
0.2
0.3
1
0.8
0.9
0.7
0.5
0.4
0.4
0.4
0.4
0.6
0.6
0.4
0.4
0.4
0.2
0.3
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
12
12
12
12
12
12
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Feels Like (°C)

7
8
8
7
7
7
7
8
9
9
8
8
8
9
9
9
9
8
8
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

90
90
87
87
88
87
86
80
79
76
77
80
84
83
82
80
76
72
70
68
66
64
63
63

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

345
343
342
340
337
334
330
327
326
326
325
323
321
319
318
316
316
315
315
315
315
315
315
314

Sunday 28

Waxing Gibbous 61%

12:48

01:17

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

Sun - Rise: 08:19, Set: 17:33, Transit: 12:56. Moon - Rise: 12:48, Set: 01:17. Civil Dark: 18:04 - 07:48. Nautical Dark: 18:39 - 07:13. Astro Dark: 19:12 - 06:39

Total Clouds (% Sky Obscured)

98
96
95
96
96
95
84
74
64
43
21
1
1
0
0
3
9
28
24
21
18
15
13
8

Low Clouds (% Sky Obscured)

72
72
72
70
67
64
55
47
38
26
13
1
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

87
84
78
73
68
63
70
74
64
43
21
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

51
47
38
45
33
38
36
29
17
6
2
0
0
0
0
3
9
28
24
21
18
15
13
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

Very Light Rain
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 (%)

75
73
64
60
52
37
32
25
6
6
4
1
1
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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
9
9
9
8
7
7
7
7
6
8
8
9
8
8
6
5
5
5
5
5
5
6
7

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
13
13
14
14
15
15
15
15
13
11
9
9
8
7
7
6

Feels Like (°C)

8
8
8
9
9
9
9
9
9
10
10
10
9
14
15
15
14
13
13
7
8
8
8
7

Dew Point (°C)

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

Relative Humidity (%)

62
62
61
61
59
59
58
57
56
55
50
46
42
46
51
55
59
64
69
70
70
71
72
74

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1015
1015
1016
1016
1017

Ozone (du)

313
313
313
312
312
313
313
312
311
311
310
310
309
308
306
305
306
307
308
308
309
310
312
315

Monday 29

Waxing Gibbous 72%

13:14

02:30

Sun - Rise: 08:19, Set: 17:34, Transit: 12:56. Moon - Rise: 13:14, Set: 02:30. Civil Dark: 18:05 - 07:48. Nautical Dark: 18:39 - 07:13. Astro Dark: 19:13 - 06:40

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 23/12/25 00:11:05. Forecast: 23/12/25 to 29/12/25. Timezone: UTC+1.00