Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

New Moon 0%

08:25

18:31

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

Sun - Rise: 07:53, Set: 18:13, Transit: 13:03. Moon - Rise: 08:25, Set: 18:31. Civil Dark: 18:39 - 07:27. Nautical Dark: 19:09 - 06:58. Astro Dark: 19:37 - 06:29

Total Clouds (% Sky Obscured)

88
75
75
19
37
63
80
84
33
60
71
82
81
70
31
55
55
38
44
92
90
90
91
61

Low Clouds (% Sky Obscured)

88
75
68
8
32
59
80
81
28
59
70
82
81
69
17
45
54
21
32
13
9
80
91
57

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
4
0
0
3
4
0
1
5
15
23
18
5
1

High Clouds (% Sky Obscured)

0
2
4
2
2
3
2
28
3
2
3
4
1
4
10
8
2
7
7
63
65
9
5
5

ISS Passover

Visibility (miles)

8
9
8
8
8
8
8
8
8
8
9
8
8
8
8
9
8
8
8
9
8
8
8
8

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
10
7
5
9
6
6
5
16
1
2
16
9
14
14
4
14
8
18
17
17
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)

8
8
8
9
9
9
10
10
11
12
11
12
14
14
12
11
9
10
10
10
9
6
4
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
80
82
81
80
81
81
83
77
70
64
69
74
74
72
70
74
79
80
79
80
80
81
83

Pressure (mb)

1025
1025
1025
1025
1024
1025
1025
1026
1026
1026
1026
1025
1024
1024
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024

Ozone (du)

292
291
290
289
288
287
286
286
287
287
288
288
288
289
288
287
289
290
287
284
283
283
285
285

Sunday 21

Waxing Crescent 2%

09:13

19:28

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

Sun - Rise: 07:54, Set: 18:14, Transit: 13:04. Moon - Rise: 09:13, Set: 19:28. Civil Dark: 18:40 - 07:28. Nautical Dark: 19:09 - 06:59. Astro Dark: 19:38 - 06:30

Total Clouds (% Sky Obscured)

75
71
72
76
76
76
78
17
15
11
11
16
20
18
21
14
82
81
32
35
21
19
15
11

Low Clouds (% Sky Obscured)

75
71
72
76
76
76
78
7
6
5
6
8
12
10
19
9
82
80
29
31
18
15
12
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
18
0
6
0
4
2
0
0
0
0
0

High Clouds (% Sky Obscured)

6
6
6
7
6
0
3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
1
3
5
8
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 (%)

8
4
3
1
0
0
0
0
0
1
2
2
5
5
8
15
17
19
21
22
15
12
18
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
9
8
8
8
9
11
13
15
16
16
16
16
16
16
16
14
13
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

83
84
81
83
81
83
81
83
72
62
56
52
53
53
56
61
64
73
80
83
83
82
80
79

Pressure (mb)

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

Ozone (du)

284
285
284
285
287
289
290
289
290
290
292
293
296
298
301
301
302
300
300
300
300
301
301
301

Monday 22

Waxing Crescent 6%

09:56

20:27

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

Sun - Rise: 07:54, Set: 18:14, Transit: 13:04. Moon - Rise: 09:56, Set: 20:27. Civil Dark: 18:40 - 07:28. Nautical Dark: 19:10 - 06:59. Astro Dark: 19:38 - 06:30

Total Clouds (% Sky Obscured)

2
24
59
29
20
22
31
28
45
80
69
36
33
23
26
93
39
44
85
71
49
25
61
75

Low Clouds (% Sky Obscured)

2
22
58
24
11
12
18
19
42
80
69
29
27
18
22
93
37
42
85
71
46
17
61
75

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
14
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
8
8
8
8
8
8
9
6
4
7
8
8
8
8
7
7
8
9
8
8
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
24
8
9
17
5
13
38
53
35
26
26
19
16
31
29
13
10
16
7
11
13
12
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
2
0
4
5
4
1
0
0
0
6
8
11
12
10
6
10
11
10
9
6
4
4
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
84
84
86
86
84
81
79
75
83
89
86
85
83
80
90
92
87
84
84
84
83
86

Pressure (mb)

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

Ozone (du)

301
301
300
300
300
299
298
296
295
294
294
292
290
289
288
290
290
291
292
295
295
296
297
297

Tuesday 23

Waxing Crescent 12%

10:35

21:27

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

Sun - Rise: 07:55, Set: 18:15, Transit: 13:05. Moon - Rise: 10:35, Set: 21:27. Civil Dark: 18:41 - 07:29. Nautical Dark: 19:10 - 07:00. Astro Dark: 19:39 - 06:31

Total Clouds (% Sky Obscured)

27
30
29
28
28
31
38
36
35
37
37
38
36
41
47
72
84
79
73
67
63
44
31
33

Low Clouds (% Sky Obscured)

14
15
16
17
16
18
22
16
16
19
18
20
21
25
30
67
84
79
73
67
63
40
18
23

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)

8
9
8
8
8
8
8
8
9
8
9
9
9
9
9
8
9
8
8
8
8
9
8
8

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 (%)

7
5
7
7
6
7
6
2
4
4
3
4
6
11
4
7
2
9
17
10
17
6
2
4

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)

0
0
0
1
1
2
3
3
2
3
6
10
10
11
11
13
10
11
13
13
10
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
83
83
81
83
84
84
80
74
69
66
63
61
62
66
66
71
77
79
79
77
77
79

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

297
295
294
293
292
291
292
291
289
289
287
286
285
283
282
282
282
281
281
281
281
280
280
280

Wednesday 24

Waxing Crescent 20%

11:09

22:26

01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Bad
07 Bad
08 OK
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: 07:55, Set: 18:15, Transit: 13:05. Moon - Rise: 11:09, Set: 22:26. Civil Dark: 18:41 - 07:29. Nautical Dark: 19:11 - 07:00. Astro Dark: 19:39 - 06:31

Total Clouds (% Sky Obscured)

45
52
56
48
28
47
63
33
42
71
83
85
86
85
85
86
86
84
81
76
77
77
78
72

Low Clouds (% Sky Obscured)

44
52
56
48
17
45
63
20
28
66
80
83
86
85
85
86
86
83
75
66
68
71
73
71

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
7
11
10
11
8
9
8
9
8
9
10
12
13
17
14

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)

8
9
9
9
8
8
9
9
8
9
8
2
1
1
0
0
0
0
3
6
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
9
4
4
4
6
7
5
18
20
33
45
51
57
49
40
28
27
27
25
34
38
39
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
9
9
12
12
14
15
16
17
17
15
13
13
12
12
12
11
11
10
9
9

Feels Like (°C)

10
11
11
11
9
8
10
11
13
14
17
18
17
16
15
14
14
13
11
10
10
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

80
77
77
81
85
85
84
81
79
71
66
64
71
78
86
87
89
90
87
84
81
80
81
80

Pressure (mb)

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

Ozone (du)

281
281
282
281
280
280
279
280
281
281
282
281
280
279
279
278
278
278
279
280
280
281
281
281

Thursday 25

Waxing Crescent 29%

11:41

23:24

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

Sun - Rise: 07:56, Set: 18:16, Transit: 13:06. Moon - Rise: 11:41, Set: 23:24. Civil Dark: 18:42 - 07:30. Nautical Dark: 19:11 - 07:00. Astro Dark: 19:40 - 06:32

Total Clouds (% Sky Obscured)

67
62
54
47
39
46
52
59
53
47
44
49
54
57
45
33
21
22
21
19
31
43
57
55

Low Clouds (% Sky Obscured)

67
62
54
47
37
46
52
59
53
47
44
49
47
42
34
24
14
12
10
11
24
38
52
47

Medium Clouds (% Sky Obscured)

8
2
1
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
8
8
6
3
1
3
5
7
7
8
8
8
9
9
9
8
8
8
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 (%)

34
29
29
27
23
26
26
25
23
18
14
12
10
4
7
7
5
9
10
6
12
15
15
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
82
82
80
77
80
84
87
82
78
73
70
68
65
67
70
72
72
72
73
76
77
80

Pressure (mb)

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

Ozone (du)

281
281
281
280
278
277
278
278
279
279
280
281
281
281
281
281
280
280
281
282
282
283
284
284

Friday 26

Waxing Crescent 39%

12:11

00:23

Sun - Rise: 07:56, Set: 18:17, Transit: 13:06. Moon - Rise: 12:11, Set: 00:23. Civil Dark: 18:42 - 07:30. Nautical Dark: 19:12 - 07:01. Astro Dark: 19:41 - 06:32

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: 20/12/25 01:40:03. Forecast: 20/12/25 to 26/12/25. Timezone: UTC+0.00