Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 1%

07:39

16:54

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

Sun - Rise: 07:59, Set: 18:17, Transit: 13:09. Moon - Rise: 07:39, Set: 16:54. Civil Dark: 18:43 - 07:33. Nautical Dark: 19:13 - 07:04. Astro Dark: 19:42 - 06:35

Total Clouds (% Sky Obscured)

100
93
93
99
98
88
90
94
32
33
24
11
10
3
27
22
17
21
25
22
22
17
11
10

Low Clouds (% Sky Obscured)

14
5
6
13
10
8
9
5
3
4
2
3
8
0
0
6
6
8
10
10
12
11
9
7

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)

100
93
93
94
88
46
60
82
32
33
24
11
6
2
16
2
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
6
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
66
82
82
82
82
77
82
76
68
0
0
0
0
0
0
0
0
11
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 (%)

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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
71
69
69
67
67
67
67
64
64
66
64
64
65
63
63
63
63
63
63
64
64
65

Pressure (mb)

1023
1023
1024
1024
1024
1025
1025
1024
1024
1024
1024
1024
1024
1023
1023
1024
1024
1025
1025
1025
1025
1024
1023
1023

Ozone (du)

285
284
282
281
279
279
278
278
281
284
286
286
284
280
283
283
284
285
285
288
289
292
292
292

Friday 19

Waning Crescent 0%

08:31

17:42

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

Sun - Rise: 08:00, Set: 18:18, Transit: 13:09. Moon - Rise: 08:31, Set: 17:42. Civil Dark: 18:44 - 07:34. Nautical Dark: 19:13 - 07:04. Astro Dark: 19:42 - 06:35

Total Clouds (% Sky Obscured)

12
12
13
16
62
91
87
88
92
88
74
47
48
45
72
10
25
19
21
17
28
28
39
29

Low Clouds (% Sky Obscured)

6
7
7
8
62
91
87
88
92
88
74
47
48
36
8
7
8
9
11
9
10
8
8
6

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
5
3
10
54
4
14
3
7
0
6
4
17
15

ISS Passover

Visibility (miles)

9
9
9
6
6
6
6
6
6
6
6
6
6
6
6
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
20
82
82
82
82
82
0
82
82
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 (%)

11
14
14
20
24
24
18
21
24
21
20
21
21
16
1
6
3
4
3
16
2
3
4
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)

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

Chance of Frost

Temperature (°C)

8
8
7
7
7
6
6
7
7
6
6
6
7
7
7
7
7
8
8
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
67
67
74
74
74
75
75
76
76
75
75
74
71
69
67
65
66
63
64
65
63
64
62

Pressure (mb)

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

Ozone (du)

292
292
291
288
288
287
287
285
286
285
283
283
282
282
281
281
281
282
283
283
284
284
283
282

Saturday 20

New Moon 2%

09:20

18:36

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

Sun - Rise: 08:00, Set: 18:18, Transit: 13:10. Moon - Rise: 09:20, Set: 18:36. Civil Dark: 18:44 - 07:34. Nautical Dark: 19:14 - 07:05. Astro Dark: 19:43 - 06:36

Total Clouds (% Sky Obscured)

55
80
84
33
25
22
17
26
26
26
30
52
99
100
100
90
40
30
30
29
27
25
25
25

Low Clouds (% Sky Obscured)

4
4
9
8
9
9
12
5
4
9
13
11
3
2
4
0
8
10
9
8
9
8
7
7

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)

34
68
71
17
9
7
2
16
17
12
15
44
99
100
100
88
29
12
3
4
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
7
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
66
82
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
16
1
4
5
9
8
11
8
12
11
10
15
9
9
9
18
7
7
4
7
8
7
12

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
13
12
12
12
12
12
13
13
13
14
14
14
14
14
14
14
14
14
14

Chance of Frost

Temperature (°C)

7
6
6
6
6
5
5
5
5
5
6
7
6
6
6
6
6
6
6
5
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
58
60
60
59
60
62
62
60
60
60
60
60
63
64
62
65
65
65
62
60
58
58
60

Pressure (mb)

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

Ozone (du)

282
283
283
283
282
282
282
283
281
280
281
282
284
284
283
283
285
285
286
288
288
290
292
296

Sunday 21

Waxing Crescent 6%

10:03

19:34

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

Sun - Rise: 08:01, Set: 18:19, Transit: 13:10. Moon - Rise: 10:03, Set: 19:34. Civil Dark: 18:45 - 07:35. Nautical Dark: 19:14 - 07:05. Astro Dark: 19:43 - 06:36

Total Clouds (% Sky Obscured)

25
26
20
20
13
17
19
23
21
19
21
24
28
65
73
57
39
25
24
29
50
63
57
32

Low Clouds (% Sky Obscured)

10
12
7
13
6
8
7
9
8
7
10
11
11
65
73
57
39
12
8
8
49
63
57
17

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
7
6
9
9
9
9
9
6
6
6
6
9
9
9
9
6
6
6
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 (%)

14
22
20
28
35
13
20
5
15
22
11
23
24
22
19
15
8
17
23
11
24
23
13
26

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)

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

Chance of Frost

Temperature (°C)

6
6
6
5
5
6
6
6
5
5
5
5
6
5
6
6
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
-1
0
1
1
1
-1
-1
-1
-1
0
0
1
0
-0
-1
-1
-1
-0
0
0
-1

Relative Humidity (%)

62
64
65
66
68
70
72
70
66
65
66
66
67
70
70
68
66
65
62
63
64
66
66
64

Pressure (mb)

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

Ozone (du)

299
300
300
298
298
298
297
297
297
296
296
295
292
292
291
291
292
293
293
293
292
292
291
292

Monday 22

Waxing Crescent 12%

10:41

20:33

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

Sun - Rise: 08:01, Set: 18:19, Transit: 13:11. Moon - Rise: 10:41, Set: 20:33. Civil Dark: 18:45 - 07:35. Nautical Dark: 19:15 - 07:06. Astro Dark: 19:44 - 06:37

Total Clouds (% Sky Obscured)

43
61
60
28
23
16
8
0
11
20
60
61
54
37
1
2
2
6
11
15
17
23
28
27

Low Clouds (% Sky Obscured)

40
61
60
13
9
4
2
0
2
5
60
61
54
9
1
0
0
1
2
3
4
6
8
8

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
1
2
2
2
3
4
4
5
5
6

ISS Passover

Visibility (miles)

6
6
6
9
9
9
9
9
9
6
6
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 (%)

23
24
13
18
8
9
10
8
10
22
5
16
5
3
2
2
0
1
2
1
5
5
2
2

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
10
10
10
9
9
9
9
10
10
10
10
10
9
9
10
10
10
10
10
10
10
9
9

Chance of Frost

Temperature (°C)

5
6
6
6
6
7
7
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

-1
0
0
0
1
0
0
-1
-1
-1
-0
0
0
0
1
0
0
1
0
0
-1
-1
-0
0

Relative Humidity (%)

65
67
67
66
66
64
64
61
60
61
64
65
64
64
63
63
63
63
61
59
57
58
59
62

Pressure (mb)

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

Ozone (du)

292
292
294
295
295
293
292
291
289
288
287
284
284
287
288
289
290
291
291
291
291
291
290
289

Tuesday 23

Waxing Crescent 12%

11:16

21:32

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

Sun - Rise: 08:02, Set: 18:20, Transit: 13:11. Moon - Rise: 11:16, Set: 21:32. Civil Dark: 18:46 - 07:36. Nautical Dark: 19:15 - 07:06. Astro Dark: 19:44 - 06:37

Total Clouds (% Sky Obscured)

27
30
20
11
1
7
15
22
23
16
17
14
14
15
18
21
29
39
44
53
54
54
40
27

Low Clouds (% Sky Obscured)

7
7
5
2
0
1
2
3
3
5
6
6
6
9
7
8
9
9
9
9
5
10
10
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
15
23
21
18
16
16
17
17
11

High Clouds (% Sky Obscured)

7
7
5
3
1
1
1
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 (%)

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
Very Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

2
0
1
1
0
2
2
1
2
2
0
2
2
1
5
8
8
24
32
38
45
49
53
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
0
0
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
1
1
1
2
2

Relative Humidity (%)

61
61
61
61
62
63
63
63
63
64
64
63
65
65
65
65
64
63
62
61
60
60
62
63

Pressure (mb)

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

Ozone (du)

288
287
286
284
283
281
281
281
280
280
279
278
278
278
279
279
279
280
281
281
282
282
282
281

Wednesday 24

Waxing Crescent 20%

11:47

22:31

16 Bad
17 Bad
18 OK
19 OK
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 OK
09 OK
10 Bad
11 Bad

Sun - Rise: 08:02, Set: 18:20, Transit: 13:12. Moon - Rise: 11:47, Set: 22:31. Civil Dark: 18:46 - 07:36. Nautical Dark: 19:16 - 07:07. Astro Dark: 19:45 - 06:38

Total Clouds (% Sky Obscured)

25
18
17
15
13
15
17
21
29
32
35
47
56
61
50
38
26
34
39
41

Low Clouds (% Sky Obscured)

8
11
7
6
6
7
8
9
13
16
20
25
32
38
32
25
19
16
12
5

Medium Clouds (% Sky Obscured)

5
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

ISS Passover

Visibility (miles)

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

Precipitation Type

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 (%)

42
39
31
20
5
9
9
8
11
12
10
16
18
18
17
15
7
10
10
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
3
3
3
3
3
3
3
3
2
2
2
2
3
3
2
2
2
1
1

Relative Humidity (%)

64
65
67
67
67
67
67
67
67
66
68
69
71
74
75
74
71
70
66
65

Pressure (mb)

1017
1017
1016
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1017
1017
1018
1018
1018

Ozone (du)

282
282
282
283
285
286
286
286
286
285
283
281
281
281
281
281
281
282
281
281

Forecast for Hoyagrande, Santa Cruz de Tenerife, Spain (28.75,-17.89)

Generated: 18/12/25 16:13:29. Forecast: 18/12/25 to 24/12/25. Timezone: UTC+0.00