Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 91%

14:34

05:28

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

Sun - Rise: 08:39, Set: 17:45, Transit: 13:12. Moon - Rise: 14:34, Set: 05:28. Civil Dark: 18:17 - 08:08. Nautical Dark: 18:53 - 07:32. Astro Dark: 19:27 - 06:58

Total Clouds (% Sky Obscured)

72
76
84
90
93
91
90
93
87
64
61
58
51
49
47
44
40
39
45
35
16
0
0
13

Low Clouds (% Sky Obscured)

72
76
84
90
93
91
90
93
87
53
47
42
33
31
28
26
21
17
15
13
7
0
0
3

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
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

99
100
100
99
99
98
89
90
91
72
55
34
0
2
1
0
0
0
0
0
0
0
10
4

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
0
-1
-1
-2
-2
-2
-3
-2
-1
0
1
2
2
2
2
2
2
0
-0
-0
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

94
94
88
82
79
79
76
74
76
76
74
70
69
66
63
63
63
69
80
83
88
87
87
86

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1021
1021
1022
1022
1022
1022
1022

Ozone (du)

278
278
284
292
300
308
311
315
319
323
319
313
310
313
314
316
318
320
323
323
328
329
332
331

Thursday 1

Waxing Gibbous 97%

15:25

06:48

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

Sun - Rise: 08:40, Set: 17:46, Transit: 13:13. Moon - Rise: 15:25, Set: 06:48. Civil Dark: 18:18 - 08:08. Nautical Dark: 18:54 - 07:32. Astro Dark: 19:28 - 06:58

Total Clouds (% Sky Obscured)

25
70
84
86
90
55
88
93
93
91
78
86
84
80
100
100
100
100
95
93
96
90
96
92

Low Clouds (% Sky Obscured)

5
16
19
24
26
24
25
37
33
44
43
55
49
47
45
42
30
29
23
20
27
36
33
25

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
7
72
51
42
68
64
87
92

High Clouds (% Sky Obscured)

2
50
50
55
48
6
48
56
71
67
43
49
61
64
100
100
100
100
57
62
61
63
63
71

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 (%)

11
0
0
0
0
0
0
0
1
52
66
66
38
1
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-3
-2
-2
-2
-2
-2
-2
-2
-3
-3
-4
-4
-3
-2
-1
-1
-1
-2
-2
-2
-3

Relative Humidity (%)

87
87
87
87
89
91
91
91
89
91
83
73
67
63
62
64
68
79
88
91
89
87
89
83

Pressure (mb)

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

Ozone (du)

327
322
320
319
322
325
326
325
323
320
316
314
316
316
319
318
317
317
317
318
319
320
320
319

Friday 2

Waxing Gibbous 99%

16:29

08:02

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
23 Bad

Sun - Rise: 08:40, Set: 17:47, Transit: 13:13. Moon - Rise: 16:29, Set: 08:02. Civil Dark: 18:19 - 08:08. Nautical Dark: 18:54 - 07:32. Astro Dark: 19:29 - 06:58

Total Clouds (% Sky Obscured)

92
92
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
98
99

Low Clouds (% Sky Obscured)

25
29
42
58
61
65
64
59
48
24
28
20
25
30
30
30
46
47
62
60
56
54
49
41

Medium Clouds (% Sky Obscured)

87
85
87
76
83
79
84
78
92
100
100
96
100
100
99
96
77
67
60
36
77
91
95
52

High Clouds (% Sky Obscured)

82
81
75
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
85
74
84
83
59
74

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
4
4
8
9
9
9
9
9
9
9
9
9
6
6
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

0
1
2
21
50
30
10
25
75
95
84
45
17
8
8
7
20
26
22
18
50
61
46
38

Precipitation Amount (mm)

0
0
0
0
0.3
0
0
0
0.6
1.2
0.7
0
0
0
0
0
0
0
0
0
0.3
0.6
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-3
-4
-3
-2
-2
-2
-2
-1
-1
1
1
3
3
4
3
3
3
3
3
2
2
3
3

Relative Humidity (%)

78
80
78
80
80
84
84
84
89
91
94
93
94
93
94
93
91
93
94
93
94
96
96
96

Pressure (mb)

1016
1015
1015
1015
1014
1014
1013
1013
1013
1012
1012
1012
1012
1011
1010
1009
1009
1009
1009
1009
1009
1009
1008
1008

Ozone (du)

319
320
320
320
321
322
322
323
321
319
319
318
319
319
316
316
316
315
316
320
320
320
321
320

Saturday 3

Full Moon 100%

17:44

09:03

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
23 Bad

Sun - Rise: 08:40, Set: 17:48, Transit: 13:14. Moon - Rise: 17:44, Set: 09:03. Civil Dark: 18:20 - 08:08. Nautical Dark: 18:55 - 07:32. Astro Dark: 19:29 - 06:58

Total Clouds (% Sky Obscured)

99
100
100
100
100
99
99
99
100
100
100
100
99
99
99
98
98
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
35
35
34
44
47
57
52
49
44
40
36
31
42
52
61
63
75
81
97
87
73
72
67

Medium Clouds (% Sky Obscured)

83
99
100
97
87
95
73
63
55
48
48
50
68
79
95
94
95
93
99
94
100
100
99
98

High Clouds (% Sky Obscured)

72
83
85
96
88
79
68
66
67
66
72
81
77
84
80
76
83
91
100
70
55
61
55
50

ISS Passover

Visibility (miles)

9
1
0
0
0
0
0
0
0
0
0
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
Very 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
None
None
None
None
None

Precipitation Probability (%)

41
64
79
74
57
47
37
33
36
31
29
25
21
21
23
24
24
23
22
25
25
25
29
33

Precipitation Amount (mm)

0
0.3
0.6
0.5
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
98
96
96
94
88
76
68
67
67
68
73
85
88
84
86
87
89

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1008
1008
1007
1007
1008
1008
1009
1010
1011
1011
1012

Ozone (du)

321
319
315
312
311
309
304
301
301
304
306
311
316
315
312
311
314
316
325
329
329
332
334
342

Sunday 4

Waning Gibbous 99%

19:05

09:50

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
23 Bad

Sun - Rise: 08:40, Set: 17:49, Transit: 13:14. Moon - Rise: 19:05, Set: 09:50. Civil Dark: 18:21 - 08:08. Nautical Dark: 18:56 - 07:32. Astro Dark: 19:30 - 06:58

Total Clouds (% Sky Obscured)

98
95
100
100
100
100
99
99
99
98
94
92
90
94
97
100
98
96
94
85
76
72
67
68

Low Clouds (% Sky Obscured)

71
81
80
85
80
70
65
50
31
15
9
5
0
1
1
1
9
17
24
22
20
17
12
8

Medium Clouds (% Sky Obscured)

91
79
99
100
91
93
98
97
97
98
94
92
90
93
96
100
95
90
85
77
65
45
35
25

High Clouds (% Sky Obscured)

47
40
41
33
39
35
30
36
37
38
43
53
57
69
82
95
78
59
35
42
49
53
54
58

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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
43
44
42
39
31
16
12
8
1
1
0
0
0
0
0
0
1
1
4
4
0
2
2

Precipitation Amount (mm)

0
0
0.1
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
10
10
11
11
12
12
12
12
13
13
13
14
14
14
14
15
14
14
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-3
-4
-4
-5
-5
-5
-8
-9
-9
-10
-11
-11
-11
-11
-11
-10
-9
-9
-9
-9
-9
-9
-8

Relative Humidity (%)

86
84
81
78
77
77
75
64
63
63
59
53
49
47
48
51
53
58
63
69
70
70
70
73

Pressure (mb)

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

Ozone (du)

335
328
324
322
323
322
321
319
320
321
320
320
320
320
321
322
323
325
327
329
332
335
339
340

Monday 5

Waning Gibbous 96%

20:24

10:25

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
23 Bad

Sun - Rise: 08:39, Set: 17:50, Transit: 13:15. Moon - Rise: 20:24, Set: 10:25. Civil Dark: 18:22 - 08:08. Nautical Dark: 18:57 - 07:32. Astro Dark: 19:31 - 06:58

Total Clouds (% Sky Obscured)

76
76
72
58
56
49
51
45
42
49
53
61
71
80
82
81
86
83
80
71
60
54
46
38

Low Clouds (% Sky Obscured)

2
8
15
24
26
29
29
28
27
26
32
38
45
45
44
41
43
45
45
41
49
54
46
37

Medium Clouds (% Sky Obscured)

25
15
5
5
5
0
0
5
10
15
15
20
25
25
20
20
15
10
10
4
4
3
24
38

High Clouds (% Sky Obscured)

65
70
72
58
56
49
51
45
40
45
50
60
60
69
68
68
39
13
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
8
9
9
9
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 (%)

0
3
3
1
6
7
3
6
6
2
3
3
1
3
3
1
3
4
2
5
6
3
12
24

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)

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

Chance of Frost

Temperature (°C)

-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-4
-3
-2
-2
-1
-1
-2
-3
-3
-4
-4
-4
-4

Feels Like (°C)

-8
-8
-8
-7
-6
-7
-7
-7
-8
-7
-8
-9
-9
-9
-4
-4
-6
-4
-4
-3
-7
-7
-6
-7

Dew Point (°C)

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

Relative Humidity (%)

73
76
79
84
87
89
92
94
90
89
87
73
60
51
53
55
57
67
78
89
91
92
96
96

Pressure (mb)

1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1022
1022
1022
1022
1023
1023
1024
1024
1025
1025
1026

Ozone (du)

341
343
345
348
350
356
361
366
371
377
382
385
388
391
388
385
382
385
388
391
395
399
403
403

Tuesday 6

Waning Gibbous 90%

21:38

10:52

Sun - Rise: 08:39, Set: 17:51, Transit: 13:15. Moon - Rise: 21:38, Set: 10:52. Civil Dark: 18:23 - 08:08. Nautical Dark: 18:58 - 07:32. Astro Dark: 19:32 - 06:58

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 Erroitegi / Róitegui, Araba / Álava, Spain (42.78,-2.38)

Generated: 31/12/25 00:10:20. Forecast: 31/12/25 to 06/01/26. Timezone: UTC+1.00