Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 50%

12:42

01:23

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

Sun - Rise: 07:56, Set: 18:17, Transit: 13:07. Moon - Rise: 12:42, Set: 01:23. Civil Dark: 18:43 - 07:31. Nautical Dark: 19:12 - 07:01. Astro Dark: 19:41 - 06:32

Total Clouds (% Sky Obscured)

70
59
46
44
20
12
22
41
73
83
21
24
14
62
62
74
82
83
79
65
64
64
72
75

Low Clouds (% Sky Obscured)

70
59
46
40
12
9
21
41
73
69
11
19
13
61
62
71
82
83
79
63
63
64
72
75

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
47
3
3
0
0
0
0
0
0
3
3
7
0
2
7

ISS Passover

Visibility (miles)

9
9
2
1
9
9
9
9
9
9
9
9
9
9
9
9
9
1
1
9
9
9
9
9

Fog (%)

0
1
1
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
2
1
2
2
2
1
1
4
4
1
4
2
3
12
0
0
0
0
2
0
1

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)

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

Chance of Frost

Temperature (°C)

9
9
8
10
15
15
16
15
16
15
14
13
12
10
11
11
11
13
10
10
9
10
9
9

Feels Like (°C)

9
9
9
11
16
16
17
16
16
16
14
12
12
10
12
12
11
13
10
10
9
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

80
76
78
76
73
68
64
61
63
69
75
76
76
81
79
71
71
75
80
84
85
84
85
85

Pressure (mb)

1019
1019
1020
1020
1021
1021
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019

Ozone (du)

285
285
284
283
281
280
279
276
274
271
269
267
265
265
266
265
265
265
264
263
263
263
264
266

Sunday 28

Waxing Gibbous 62%

13:14

02:26

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:57, Set: 18:18, Transit: 13:07. Moon - Rise: 13:14, Set: 02:26. Civil Dark: 18:44 - 07:31. Nautical Dark: 19:13 - 07:02. Astro Dark: 19:42 - 06:33

Total Clouds (% Sky Obscured)

66
90
90
92
100
97
98
89
55
57
95
100
100
98
100
100
100
100
100
100
100
95
96
100

Low Clouds (% Sky Obscured)

66
10
11
13
11
12
12
11
11
12
12
12
14
14
16
20
23
55
74
25
26
7
7
3

Medium Clouds (% Sky Obscured)

3
5
3
8
13
10
13
7
11
6
8
7
37
23
65
59
57
68
73
76
70
58
61
51

High Clouds (% Sky Obscured)

7
70
65
78
99
77
72
60
26
28
70
100
100
86
100
100
100
100
100
100
100
84
85
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
1
0
0
1
0
1
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
2
3
3
1
7
12
11
16
16
15
11
1
2
0
0
0
0
0
0
1
0
0
1

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)

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

Chance of Frost

Temperature (°C)

9
9
10
11
15
15
16
15
15
15
14
14
12
13
11
11
14
14
11
11
11
11
11
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
82
77
70
64
61
59
61
65
74
79
84
81
83
81
82
82
83
83
83
84
83
87

Pressure (mb)

1019
1019
1020
1020
1021
1021
1021
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

265
265
267
269
269
268
268
267
267
266
266
267
268
268
269
270
272
273
273
272
272
272
272
273

Monday 29

Waxing Gibbous 73%

13:49

03:34

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 OK
23 OK
00 OK
01 OK
02 Good
03 Good
04 OK
05 OK

Sun - Rise: 07:57, Set: 18:18, Transit: 13:08. Moon - Rise: 13:49, Set: 03:34. Civil Dark: 18:44 - 07:31. Nautical Dark: 19:14 - 07:02. Astro Dark: 19:42 - 06:33

Total Clouds (% Sky Obscured)

99
100
88
100
99
93
93
94
98
96
98
91
64
53
71
78
31
29
17
15
17
17
43
23

Low Clouds (% Sky Obscured)

69
7
0
3
1
4
13
72
33
20
77
50
50
19
67
75
24
16
8
10
12
12
10
11

Medium Clouds (% Sky Obscured)

76
63
44
99
83
81
80
84
78
45
54
58
54
40
51
56
17
24
14
8
3
2
1
0

High Clouds (% Sky Obscured)

96
100
83
100
97
57
56
27
49
34
35
26
1
0
0
0
0
0
0
0
0
0
21
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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
2
1
1
3
1
2
4
4
11
0
0
0
0
0
0
0
0
1
0
1
1
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)

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

Chance of Frost

Temperature (°C)

10
9
11
11
15
16
16
15
15
14
13
13
13
12
14
13
14
14
13
13
11
11
13
11

Feels Like (°C)

9
9
9
10
14
15
15
14
14
13
12
12
12
12
14
13
14
14
15
14
12
12
14
12

Dew Point (°C)

8
8
8
9
11
12
12
10
11
11
11
11
11
11
13
12
12
12
12
11
9
9
11
9

Relative Humidity (%)

88
90
85
83
79
77
73
74
76
80
86
87
87
90
93
92
87
86
90
89
87
86
87
87

Pressure (mb)

1019
1019
1020
1020
1021
1021
1021
1020
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1020
1020
1020
1020
1020
1020

Ozone (du)

272
271
271
271
272
273
272
271
272
273
275
275
275
275
274
274
273
274
275
276
277
278
279
280

Tuesday 30

Waxing Gibbous 83%

14:29

04:44

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

Sun - Rise: 07:57, Set: 18:19, Transit: 13:08. Moon - Rise: 14:29, Set: 04:44. Civil Dark: 18:45 - 07:32. Nautical Dark: 19:14 - 07:02. Astro Dark: 19:43 - 06:33

Total Clouds (% Sky Obscured)

65
11
0
6
11
19
23
31
35
36
37
38
35
31
32
31
30
31
26
23
19
58
25
28

Low Clouds (% Sky Obscured)

7
4
0
3
6
9
10
12
14
14
15
15
14
15
14
11
11
10
7
3
0
0
2
0

Medium Clouds (% Sky Obscured)

37
5
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)

27
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
8
14
19
45
19
19

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

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)

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

Chance of Frost

Temperature (°C)

11
12
12
15
17
17
18
18
18
18
16
18
17
16
15
15
15
15
14
14
14
13
13
11

Feels Like (°C)

12
14
13
16
18
19
19
19
18
18
16
18
18
17
17
17
16
16
15
14
14
14
12
10

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
80
74
73
71
72
73
75
74
74
79
86
85
83
80
79
79
79
79
82
83
81

Pressure (mb)

1020
1020
1020
1021
1021
1022
1022
1021
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019

Ozone (du)

283
285
284
284
285
284
283
282
281
279
278
278
277
276
276
275
276
277
277
277
276
277
276
278

Wednesday 31

Waxing Gibbous 91%

15:18

05:57

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

Sun - Rise: 07:58, Set: 18:20, Transit: 13:09. Moon - Rise: 15:18, Set: 05:57. Civil Dark: 18:46 - 07:32. Nautical Dark: 19:15 - 07:03. Astro Dark: 19:44 - 06:34

Total Clouds (% Sky Obscured)

16
33
50
61
49
52
50
51
54
46
38
40
57
65
72
72
72
73
65
56
48
52
57
58

Low Clouds (% Sky Obscured)

0
0
0
3
7
10
13
16
19
18
17
16
23
18
14
11
7
4
4
4
4
3
3
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
7
11
17
16
15
15

High Clouds (% Sky Obscured)

10
20
27
37
47
52
50
51
54
46
26
5
7
7
20
39
58
73
65
56
48
52
57
58

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
3
6
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 (%)

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

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)

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

Chance of Frost

Temperature (°C)

11
13
12
15
17
18
19
18
18
18
17
16
15
14
13
12
12
12
12
12
11
11
11
10

Feels Like (°C)

10
13
12
14
16
18
19
18
19
18
17
16
16
15
14
13
13
12
12
12
11
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

78
80
81
74
66
60
56
56
61
64
70
75
82
83
84
86
81
76
71
72
72
73
74
76

Pressure (mb)

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

Ozone (du)

279
284
288
290
290
295
298
296
296
298
297
298
297
296
295
294
296
298
300
301
302
303
305
306

Thursday 1

Waxing Gibbous 97%

16:15

05:57

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:58, Set: 18:20, Transit: 13:09. Moon - Rise: 16:15, Set: 05:57. Civil Dark: 18:46 - 07:32. Nautical Dark: 19:15 - 07:03. Astro Dark: 19:44 - 06:34

Total Clouds (% Sky Obscured)

70
83
96
96
96
95
98
99
100
95
90
85
87
91
95
88
81
76
81
85
87
91
96
100

Low Clouds (% Sky Obscured)

4
6
6
10
12
15
19
23
28
27
23
22
18
18
14
17
21
28
39
51
63
51
36
23

Medium Clouds (% Sky Obscured)

13
13
9
6
6
6
13
14
15
23
30
37
54
68
83
63
49
31
30
36
35
52
67
76

High Clouds (% Sky Obscured)

69
64
81
81
81
83
92
97
100
92
83
75
80
86
92
82
73
75
68
53
39
59
77
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
4
1
1
1
1
1
1
2
4
7
9
6
4
1
1
1

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
5
6
14
16
16
18
18
15
19
21
18
23
25
23
25
26
25
24
22
17
16
14
10

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)

3
3
3
4
6
9
12
12
12
11
11
11
11
11
11
10
10
10
10
11
13
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
7
8
8
10
11
12
10
11
12
11
11
11
12
12
12
11
11
11
11
11
11
11
11

Relative Humidity (%)

78
76
73
71
71
72
72
74
79
82
86
90
95
95
96
96
93
92
89
92
93
96
96
96

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1018
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1019
1018
1018
1018
1018
1018

Ozone (du)

307
310
312
314
316
318
320
321
322
323
323
323
322
320
318
316
313
310
307
307
308
309
313
317

Friday 2

Waxing Gibbous 100%

17:21

07:07

Sun - Rise: 07:58, Set: 18:21, Transit: 13:10. Moon - Rise: 17:21, Set: 07:07. Civil Dark: 18:47 - 07:32. Nautical Dark: 19:16 - 07:03. Astro Dark: 19:45 - 06:34

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 Guía, Santa Cruz de Tenerife, Spain (28.45,-16.46)

Generated: 27/12/25 06:37:33. Forecast: 27/12/25 to 02/01/26. Timezone: UTC+0.00