Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 1%

07:39

16:54

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 OK
03 Good
04 Good
05 Good
06 Good
07 OK
08 Good
09 OK
10 OK
11 OK
12 OK

Sun - Rise: 07:59, Set: 18:17, Transit: 13:08. 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)

89
46
58
72
73
94
95
86
84
88
89
100
85
20
4
1
0
6
14
13
16
22
17
19

Low Clouds (% Sky Obscured)

34
19
13
13
8
10
20
11
11
11
10
4
2
4
1
0
0
1
6
8
11
12
10
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)

37
13
27
60
50
76
74
45
40
45
53
100
73
12
3
0
0
3
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
6
9
6
6
6
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
66
82
82
82
82
77
82
76
68
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
10
2
4
2
1
4
2
2
4
2
1
1
0
0
0
0
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
73
72
72
71
69
69
68
68
67
66
65
65
66
64
65
65
64
65
65
65
65
65

Pressure (mb)

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

Ozone (du)

286
286
285
285
284
283
281
280
279
278
278
279
281
283
285
285
283
283
283
285
284
285
286
288

Friday 19

Waning Crescent 0%

08:31

17:42

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

18
16
13
16
17
20
45
84
84
84
82
55
39
23
21
22
22
8
7
71
52
91
30
15

Low Clouds (% Sky Obscured)

7
6
7
9
8
12
44
84
84
84
82
55
38
11
8
9
8
1
4
9
13
11
10
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
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
11
3
2
51
20
59
14
4

ISS Passover

Visibility (miles)

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

Fog (%)

0
11
4
0
0
20
82
82
82
82
82
0
82
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 (%)

6
7
13
14
23
21
32
36
37
26
25
19
21
6
9
8
5
4
8
5
5
19
4
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)

17
17
17
16
16
17
17
16
15
13
12
11
11
11
11
12
13
13
13
13
13
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
2
3
5
3
3
3
3
3
3
3
3
3
3
2
2
3
2
2
2
1
2
2

Relative Humidity (%)

66
70
71
74
77
77
77
76
76
78
78
75
74
73
71
68
66
68
65
66
68
65
67
68

Pressure (mb)

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

Ozone (du)

289
288
289
290
290
289
286
286
286
287
285
284
283
282
282
282
281
280
279
279
281
282
282
283

Saturday 20

New Moon 0%

09:20

18:36

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

Sun - Rise: 08:00, Set: 18:18, Transit: 13:09. 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)

12
17
85
86
68
60
86
80
68
23
30
33
30
28
38
25
16
24
41
41
26
36
27
24

Low Clouds (% Sky Obscured)

5
3
3
4
9
56
86
63
15
10
5
14
11
13
19
11
7
24
41
40
13
22
8
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
10
78
85
61
21
8
43
62
8
15
14
12
10
14
16
9
1
0
2
0
2
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
6
7
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
66
82
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 (%)

5
1
4
9
17
13
13
6
6
6
3
3
5
4
5
2
4
8
10
15
12
10
5
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
63
61
59
62
70
67
63
62
62
61
60
59
61
64
64
63
62
61
64
65
62
63
62

Pressure (mb)

1025
1024
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1022
1023
1023
1023
1022

Ozone (du)

283
282
281
281
282
282
283
283
283
284
284
283
282
282
282
283
284
286
286
286
287
287
288
290

Sunday 21

Waxing Crescent 2%

10:03

19:34

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

21
19
23
27
31
52
60
35
24
26
30
34
23
24
24
23
22
23
24
25
27
37
33
38

Low Clouds (% Sky Obscured)

8
7
8
10
11
46
60
35
13
9
10
19
10
11
10
9
8
8
6
6
7
19
8
10

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
6
6
6
6
7
9
9
9
9
9
9
9
9
6
7
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
6
9
15
13
23
29
26
23
22
20
23
14
19
17
14
6
10
13
10
12
19
8
11

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

Chance of Frost

Temperature (°C)

7
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
7
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
57
59
61
62
64
66
71
74
72
71
71
70
71
68
67
67
66
65
64
64
64
63
61

Pressure (mb)

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

Ozone (du)

292
294
294
295
296
296
295
297
298
298
297
296
295
293
291
290
289
288
288
289
289
290
291
292

Monday 22

Waxing Crescent 6%

10:41

20:33

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

Sun - Rise: 08:01, Set: 18:19, Transit: 13:10. 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)

39
73
66
52
33
33
30
30
25
37
28
29
26
19
14
8
2
3
5
6
22
42
62
74

Low Clouds (% Sky Obscured)

9
73
66
51
13
7
7
7
15
37
28
29
26
19
14
8
1
0
0
0
1
2
3
5

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
1
1
3
4
5
17
32
56
74

ISS Passover

Visibility (miles)

9
9
7
6
9
9
9
9
6
6
6
6
7
8
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 (%)

13
22
12
13
18
9
11
10
18
20
6
10
10
4
8
8
7
6
4
0
2
2
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)

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

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

292
290
288
287
289
291
293
294
293
291
290
289
288
287
287
286
285
284
285
286
287
289
290
291

Tuesday 23

Waxing Crescent 12%

11:16

21:32

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

85
93
89
84
79
55
34
11
18
23
23
22
14
11
12
15
15
18
21
34
48
58
58
59

Low Clouds (% Sky Obscured)

6
8
8
11
11
5
3
0
2
3
5
5
5
6
6
6
10
11
9
9
9
9
9
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
12
18
16
15
16
16

High Clouds (% Sky Obscured)

85
93
89
84
71
42
28
11
11
7
2
2
1
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
8
7
6
7
8
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 (%)

1
0
0
0
0
0
0
0
1
1
1
2
2
0
2
2
1
5
8
8
23
31
37
44

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
58
58
59
57
57
58
59
59
59
60
60
61
62
64
63
64
63
63
63
63
62
62
62

Pressure (mb)

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

Ozone (du)

289
287
284
284
284
284
283
282
280
281
281
281
281
281
281
280
279
279
280
280
281
281
281
282

Wednesday 24

Waxing Crescent 20%

11:47

22:31

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:02, Set: 18:20, Transit: 13:11. 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)

59
45
36
29
25
23
23
20
26
29
32
30
27
25
40
55
66

Low Clouds (% Sky Obscured)

10
10
9
8
7
7
6
3
5
7
9
7
5
3
23
41
59

Medium Clouds (% Sky Obscured)

17
17
11
6
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

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

49
52
45
39
39
31
21
5
8
9
7
9
10
7
19
26
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
3
3
3
3
3
3
3
3
3
3
3
2
2
2
3

Relative Humidity (%)

63
64
67
67
67
68
68
68
68
69
71
73
73
71
71
74
75

Pressure (mb)

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

Ozone (du)

281
281
280
280
281
281
282
283
284
284
284
284
284
283
283
283
283

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

Generated: 18/12/25 13:30:56. Forecast: 18/12/25 to 24/12/25. Timezone: UTC+0.00