Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 91%

14:32

05:09

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

Sun - Rise: 08:22, Set: 17:42, Transit: 13:02. Moon - Rise: 14:32, Set: 05:09. Civil Dark: 18:13 - 07:52. Nautical Dark: 18:47 - 07:17. Astro Dark: 19:20 - 06:44

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
17
24
34
41
39
48
60
74
83
77
71
62
59
57

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
17
24
34
41
39
48
60
74
81
74
66
60
59
57

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
1

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
2
5
2
2
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

5
5
4
4
4
4
6
8
9
10
11
10
10
8
6
6
5
5
5
5
5
4
3
3

Feels Like (°C)

3
3
3
3
2
3
5
7
9
10
11
10
9
8
7
7
6
5
4
3
3
2
1
2

Dew Point (°C)

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

Relative Humidity (%)

70
71
73
76
77
76
70
62
57
52
50
53
61
75
85
86
86
88
86
82
83
83
85
88

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1020
1020
1019
1018
1019
1019
1019
1020
1021
1021
1021
1022
1022
1022
1021
1021
1021

Ozone (du)

277
281
284
292
305
310
317
328
326
321
322
325
326
326
325
323
324
326
327
331
334
333
328
325

Thursday 1

Waxing Gibbous 97%

15:24

06:28

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 OK
23 OK
00 OK
01 OK
02 OK
03 OK

Sun - Rise: 08:22, Set: 17:43, Transit: 13:03. Moon - Rise: 15:24, Set: 06:28. Civil Dark: 18:14 - 07:52. Nautical Dark: 18:48 - 07:17. Astro Dark: 19:21 - 06:44

Total Clouds (% Sky Obscured)

51
71
56
54
66
71
65
61
79
100
89
100
100
100
66
51
58
57
32
33
35
48
40
39

Low Clouds (% Sky Obscured)

49
54
45
41
42
40
40
41
57
59
46
41
48
45
21
20
37
32
8
0
1
10
10
23

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
4
32
4
6
7
25
26
25
25
39

High Clouds (% Sky Obscured)

1
27
3
1
9
30
30
26
35
100
78
100
100
99
62
51
53
55
32
33
35
48
40
39

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
2
1
1
1
2
0
0
0
0
0
0
0
0
0
1
1
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
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)

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

Chance of Frost

Temperature (°C)

4
3
3
2
2
3
5
7
8
9
9
10
9
8
6
6
6
5
4
5
4
4
4
4

Feels Like (°C)

3
3
0
2
2
2
3
5
6
6
6
7
7
6
4
4
3
2
2
3
2
3
2
2

Dew Point (°C)

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

Relative Humidity (%)

89
91
89
91
91
91
83
75
71
68
66
63
68
77
86
87
85
83
83
79
77
73
71
75

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1020
1019
1018
1017
1016
1016
1015
1016
1016
1016
1016
1016
1016
1016
1015
1014
1014

Ozone (du)

324
322
325
328
329
331
329
326
322
320
317
316
314
315
316
317
315
314
314
315
313
314
315
315

Friday 2

Waxing Gibbous 100%

16:29

07:41

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 OK
00 OK
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:22, Set: 17:44, Transit: 13:03. Moon - Rise: 16:29, Set: 07:41. Civil Dark: 18:14 - 07:52. Nautical Dark: 18:49 - 07:18. Astro Dark: 19:22 - 06:45

Total Clouds (% Sky Obscured)

57
67
67
73
96
98
82
100
100
100
90
100
100
100
100
100
100
100
65
47
25
50
75
98

Low Clouds (% Sky Obscured)

34
28
26
15
5
1
0
0
0
0
1
0
0
0
0
26
28
21
9
4
2
7
11
17

Medium Clouds (% Sky Obscured)

38
67
62
26
27
27
32
39
4
32
65
65
4
51
3
49
60
60
54
47
25
39
42
39

High Clouds (% Sky Obscured)

48
41
56
59
86
94
56
100
100
100
90
100
100
100
100
100
100
100
64
33
25
50
75
62

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
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

3
4
4
4
4
4
3
3
3
3
4
3
3
3
2
2
3
3
3
3
4
4
3
3

Chance of Frost

Temperature (°C)

4
5
4
5
4
5
7
10
11
12
13
13
13
12
10
9
8
7
7
7
7
7
7
7

Feels Like (°C)

3
3
3
3
2
3
5
8
10
11
12
12
11
11
8
8
6
6
6
6
6
6
6
6

Dew Point (°C)

-1
-1
-1
-1
0
0
2
4
5
6
7
7
8
8
6
6
4
3
3
4
3
3
4
3

Relative Humidity (%)

68
67
69
67
76
72
67
67
63
64
63
66
71
76
77
78
75
74
77
77
74
74
78
75

Pressure (mb)

1014
1013
1013
1013
1013
1012
1012
1012
1012
1010
1009
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1006

Ozone (du)

316
318
318
319
319
320
323
325
326
324
324
324
327
328
329
329
331
336
339
339
341
342
340
341

Saturday 3

Full Moon 99%

17:43

08:43

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:22, Set: 17:45, Transit: 13:04. Moon - Rise: 17:43, Set: 08:43. Civil Dark: 18:15 - 07:52. Nautical Dark: 18:49 - 07:18. Astro Dark: 19:22 - 06:45

Total Clouds (% Sky Obscured)

85
90
95
94
100
100
100
99
99
96
93
90
92
96
99
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
11
9
8
2
2
20
16
34
51
70
85
90
94
98
99
99
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

23
38
67
36
33
36
87
42
79
78
79
75
79
87
96
96
97
97
97
96
96
94
92
89

High Clouds (% Sky Obscured)

67
48
81
85
100
100
93
86
79
73
67
63
68
77
85
90
95
100
83
69
54
43
36
34

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
2
1
3
5
5
4
4
9
9
9
7

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

Precipitation Probability (%)

0
0
0
0
0
0
1
1
4
24
55
78
95
95
95
95
95
95
95
84
59
55
63
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
1.6
1.5
0.8
0.7
0.6
0.6
1
0.5
0
0
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
79
78
78
74
70
63
64
77
87
90
91
96
96
93
93
91
90
90
88
87
87
90

Pressure (mb)

1006
1005
1005
1005
1005
1005
1006
1006
1006
1006
1005
1005
1005
1005
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008

Ozone (du)

341
340
339
336
333
330
326
324
322
321
320
319
317
318
321
325
326
327
325
325
325
326
327
328

Sunday 4

Waning Gibbous 96%

19:02

09:31

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:22, Set: 17:46, Transit: 13:04. Moon - Rise: 19:02, Set: 09:31. Civil Dark: 18:16 - 07:52. Nautical Dark: 18:50 - 07:18. Astro Dark: 19:23 - 06:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
100
100
94
88
82
73
69
67
75
81
85

Medium Clouds (% Sky Obscured)

91
95
98
97
97
94
97
99
100
100
85
84
97
96
92
94
95
95
97
97
98
97
96
96

High Clouds (% Sky Obscured)

51
57
70
85
98
100
65
33
2
2
3
4
26
29
45
63
82
100
88
76
63
54
47
38

ISS Passover

Visibility (miles)

2
8
9
8
1
3
8
9
9
9
9
9
9
5
2
2
4
7
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

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

Precipitation Probability (%)

63
46
45
60
55
42
37
33
28
20
19
16
18
28
24
29
34
37
37
39
45
45
47
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
4
4
4
4
5
5
4
4
4
4
4
4
4
3
3
4
4
4
4
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
86
82
79
83
83
79
73
75
71
65
57
51
52
53
55
56
58
59
60
60
61
63
62

Pressure (mb)

1008
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

330
332
337
335
334
334
337
338
337
334
331
330
331
328
328
328
328
328
328
329
330
330
329
329

Monday 5

Waning Gibbous 91%

20:18

10:08

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:22, Set: 17:47, Transit: 13:04. Moon - Rise: 20:18, Set: 10:08. Civil Dark: 18:17 - 07:52. Nautical Dark: 18:51 - 07:18. Astro Dark: 19:24 - 06:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
84
82
81
81
82
85
88
92
92
89
85
67
43
23
18
17
8
13
19
15
14
13
19

Medium Clouds (% Sky Obscured)

97
96
95
96
97
98
99
99
100
100
100
100
100
100
100
98
96
95
96
98
100
100
100
100

High Clouds (% Sky Obscured)

58
75
83
72
66
54
66
82
98
99
100
100
100
100
100
100
99
99
99
100
100
98
96
94

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

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

Precipitation Probability (%)

60
61
61
57
48
35
48
51
48
66
77
82
89
84
81
77
68
51
54
53
45
55
57
54

Precipitation Amount (mm)

0.3
0.3
0.3
0.2
0
0
0
0
0
0.3
0.4
0.4
0.5
0.4
0.4
0.4
0.3
0.1
0.2
0.1
0
0.2
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-4
-4
-4
-5
-6
-6
-4
-5
-5
-5
-4
-4
-5
-5
-5
-5
-5
-5
-6
-5

Dew Point (°C)

-5
-6
-6
-6
-7
-7
-8
-8
-9
-9
-10
-10
-11
-11
-10
-10
-10
-11
-10
-11
-12
-12
-11
-10

Relative Humidity (%)

63
61
60
59
57
55
52
51
49
48
47
47
47
48
49
49
48
47
46
46
45
45
46
48

Pressure (mb)

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

Ozone (du)

328
328
328
329
330
332
333
335
336
337
337
337
337
337
338
338
341
344
347
354
361
368
375
382

Tuesday 6

Waning Gibbous 88%

21:31

10:38

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

Sun - Rise: 08:22, Set: 17:48, Transit: 13:05. Moon - Rise: 21:31, Set: 10:38. Civil Dark: 18:18 - 07:52. Nautical Dark: 18:52 - 07:18. Astro Dark: 19:25 - 06:45

Total Clouds (% Sky Obscured)

90
79
69
49
30
19
12
9
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

20
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

90
79
69
47
24
4
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

65
37
10
7
4
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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

52
43
12
12
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.1
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
8
10
11
13
15
16
18
18
19
19
17
16
15
14
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-5
-7
-7
-7
-7
-6
-6
-3
-3
-3
-2
-2
-1
-4
-3
-2
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

50
51
53
55
52
49
47
45
44
42
43
43
45
47
51
53
52
53
51
52
53

Pressure (mb)

1021
1021
1021
1021
1022
1023
1024
1024
1024
1024
1025
1025
1025
1026
1026
1027
1027
1028
1029
1029
1029

Ozone (du)

388
388
388
388
390
391
393
397
401
405
404
403
402
398
393
389
390
391
393
394
396

Forecast for Chert/Xert, Castellon, Spain (40.52,0.16)

Generated: 31/12/25 04:22:49. Forecast: 31/12/25 to 06/01/26. Timezone: UTC+1.00