Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 49%

11:55

00:41

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

Sun - Rise: 07:40, Set: 17:12, Transit: 12:26. Moon - Rise: 11:55, Set: 00:41. Civil Dark: 17:41 - 07:10. Nautical Dark: 18:14 - 06:37. Astro Dark: 18:46 - 06:05

Total Clouds (% Sky Obscured)

21
21
13
53
97
95
93
81
75
42
27
22
18
2
0
4
5
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

21
1
3
50
93
89
84
79
75
42
27
22
18
1
0
4
5
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
3
1
3
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
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
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

72
0
0
0
0
0
0
0
0
0
0
0
0
6
73
71
62
48
73
74
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
16
25
11
11
19
8
7
6
4
1
1
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)

5
4
7
10
10
9
7
7
5
5
4
4
4
3
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

7
9
11
12
12
11
11
10
10
9
8
8
7
7
6
6
5
4
3
3
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
64
62
65
68
71
73
78
81
82
84
82
82
81
82
82
82
82
79
79
79
80
82
82

Pressure (mb)

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

Ozone (du)

325
325
327
327
326
327
328
329
329
330
332
333
333
332
328
325
322
322
321
321
320
314
313
311

Sunday 28

Waxing Gibbous 60%

12:20

01:50

09 Good
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
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 07:40, Set: 17:13, Transit: 12:26. Moon - Rise: 12:20, Set: 01:50. Civil Dark: 17:42 - 07:10. Nautical Dark: 18:15 - 06:37. Astro Dark: 18:47 - 06:05

Total 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

Low 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

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

Fog (%)

1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
73

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
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)

3
4
4
3
4
3
3
4
5
6
8
12
10
9
9
9
8
8
7
6
5
4
4
4

Chance of Frost

Temperature (°C)

5
7
10
12
13
14
15
15
13
11
9
9
9
9
8
8
8
7
7
6
6
5
4
4

Feels Like (°C)

4
6
9
11
13
14
15
15
12
10
7
4
6
6
6
5
5
5
5
5
4
3
3
2

Dew Point (°C)

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

Relative Humidity (%)

78
74
74
70
61
54
53
56
65
71
62
47
53
55
55
53
54
56
58
59
60
61
62
63

Pressure (mb)

1013
1013
1012
1012
1011
1010
1010
1010
1011
1011
1012
1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1018
1019

Ozone (du)

309
309
307
306
304
305
307
308
308
310
311
311
312
311
311
311
312
313
313
315
316
319
321
320

Monday 29

Waxing Gibbous 71%

12:49

03:04

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

Sun - Rise: 07:40, Set: 17:13, Transit: 12:27. Moon - Rise: 12:49, Set: 03:04. Civil Dark: 17:43 - 07:11. Nautical Dark: 18:16 - 06:38. Astro Dark: 18:48 - 06:06

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
25
19
23
16
17
16
13
14
16
18
35
52
68
72

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
25
19
23
16
17
16
13
14
16
18
23
20
19
13

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
22

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
41
57
64

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

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

Chance of Frost

Temperature (°C)

4
6
9
10
11
12
12
11
10
9
8
8
8
7
7
7
7
5
5
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
55
50
46
44
44
47
51
61
65
70
71
74
77
78
81
81
80
82
82
82
83
83
83

Pressure (mb)

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

Ozone (du)

319
315
313
311
311
313
314
311
310
311
312
311
310
310
312
313
314
315
317
318
321
325
328
333

Tuesday 30

Waxing Gibbous 82%

13:22

04:21

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

Sun - Rise: 07:40, Set: 17:14, Transit: 12:27. Moon - Rise: 13:22, Set: 04:21. Civil Dark: 17:43 - 07:11. Nautical Dark: 18:16 - 06:38. Astro Dark: 18:48 - 06:06

Total Clouds (% Sky Obscured)

98
100
100
100
100
73
69
59
34
32
15
35
56
76
56
47
43
43
47
49
49
49
48
41

Low Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
0
0
0
10
20
30
35
39
39
33
27
21
23
24
25
23

Medium Clouds (% Sky Obscured)

78
100
98
92
73
63
69
59
30
32
15
35
56
76
38
35
34
37
44
47
39
35
34
28

High Clouds (% Sky Obscured)

96
100
100
100
99
51
24
6
15
9
15
8
12
12
1
0
0
0
1
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
None
None
None

Precipitation Probability (%)

2
0
6
2
0
1
0
0
0
0
0
1
1
1
5
5
0
2
3
3
5
4
2
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)

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

Chance of Frost

Temperature (°C)

6
8
10
11
12
14
13
13
13
12
11
10
9
8
7
7
8
8
8
8
8
7
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
75
73
71
63
59
57
58
64
66
65
63
66
65
65
68
70
71
73
75
77
66
62
63

Pressure (mb)

1015
1015
1014
1013
1012
1011
1011
1011
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015

Ozone (du)

340
344
346
346
346
347
350
353
355
356
356
358
358
356
354
353
351
350
350
348
339
330
326
327

Wednesday 31

Waxing Gibbous 90%

14:03

05:39

09 OK
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 OK
04 OK
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 07:40, Set: 17:15, Transit: 12:28. Moon - Rise: 14:03, Set: 05:39. Civil Dark: 17:44 - 07:11. Nautical Dark: 18:17 - 06:38. Astro Dark: 18:49 - 06:06

Total Clouds (% Sky Obscured)

41
52
65
72
61
59
69
74
75
75
74
82
84
85
85
84
82
64
44
20
11
6
2
16

Low Clouds (% Sky Obscured)

18
20
38
54
55
55
63
68
65
60
56
74
77
78
78
77
76
64
44
20
11
6
1
1

Medium Clouds (% Sky Obscured)

22
18
15
13
11
8
6
3
7
10
12
32
34
40
33
25
18
15
9
2
1
1
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
15

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 (%)

2
1
1
1
0
0
0
0
0
0
0
4
5
1
6
8
5
8
7
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
59
61
60
59
58
57
58
62
64
64
64
64
64
65
66
69
72
74
78
79
81
80
80

Pressure (mb)

1015
1016
1016
1015
1014
1014
1014
1013
1013
1013
1013
1013
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

326
325
324
322
320
319
319
320
323
324
324
324
325
326
327
326
325
324
323
322
320
321
321
322

Thursday 1

Waxing Gibbous 96%

14:56

06:52

09 OK
10 OK
11 OK
12 OK
13 Good
14 OK
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 OK
06 OK
07 Good
08 OK

Sun - Rise: 07:40, Set: 17:16, Transit: 12:28. Moon - Rise: 14:56, Set: 06:52. Civil Dark: 17:45 - 07:11. Nautical Dark: 18:18 - 06:38. Astro Dark: 18:50 - 06:06

Total Clouds (% Sky Obscured)

30
42
34
25
14
16
16
19
24
29
34
36
43
55
60
60
60
60
55
55
41
28
14
16

Low Clouds (% Sky Obscured)

2
3
4
5
4
8
11
15
24
29
34
36
43
55
60
60
55
40
35
30
22
15
8
10

Medium Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

28
30
22
13
4
2
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
None
None
None

Precipitation Probability (%)

0
0
2
3
2
12
15
15
27
28
23
26
27
25
27
27
28
27
22
9
11
8
1
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)

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

Chance of Frost

Temperature (°C)

6
8
10
10
11
12
11
9
8
7
6
5
5
4
4
3
3
3
3
3
2
2
2
1

Feels Like (°C)

6
7
8
8
8
9
12
10
10
8
7
6
1
0
0
-1
-0
-1
-1
-2
-2
-2
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

74
68
62
60
57
56
62
69
75
78
79
82
82
82
83
82
80
79
76
70
68
66
68
68

Pressure (mb)

1014
1014
1015
1014
1014
1014
1015
1015
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1022

Ozone (du)

323
323
324
321
319
317
317
317
317
323
329
334
336
337
338
339
339
339
340
342
343
344
345
346

Friday 2

Waxing Gibbous 100%

16:00

07:54

09 Good
10 Good
11 OK
12 OK
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

Sun - Rise: 07:41, Set: 17:17, Transit: 12:28. Moon - Rise: 16:00, Set: 07:54. Civil Dark: 17:46 - 07:11. Nautical Dark: 18:19 - 06:39. Astro Dark: 18:51 - 06:07

Total Clouds (% Sky Obscured)

16
16
19
23
24
32
32
39
40
46
52
58
59
60
65
65
65

Low Clouds (% Sky Obscured)

10
11
17
17
17
15
7
6
4
3
2
8
17
28
33
44
55

Medium Clouds (% Sky Obscured)

0
0
0
0
0
7
14
20
40
46
52
58
59
60
63
52
38

High Clouds (% Sky Obscured)

0
0
0
0
0
23
32
39
40
46
52
58
59
60
65
65
65

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

2
0
0
0
0
0
0
0
0
1
1
20
26
28
54
65
70

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
59
56
54
54
52
55
58
61
62
63
64
66
67
69
73
76

Pressure (mb)

1022
1022
1022
1021
1020
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1016
1015

Ozone (du)

347
348
348
348
349
349
352
354
357
360
363
366
367
368
369
371
374

Forecast for Dimodidaskálon, Nomarchía Athínas, Greece (38.01,23.80)

Generated: 27/12/25 09:21:40. Forecast: 27/12/25 to 02/01/26. Timezone: UTC+2.00