Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 90%

14:03

04:21

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

Sun - Rise: 07:40, Set: 17:15, Transit: 12:28. Moon - Rise: 14:03, Set: 04:21. Civil Dark: 17:44 - 07:11. Nautical Dark: 18:17 - 06:38. Astro Dark: 18:49 - 06:06

Total Clouds (% Sky Obscured)

67
75
81
79
97
100
96
99
85
89
75
95
98
96
92
98
100
100
100
100
100
100
100
92

Low Clouds (% Sky Obscured)

67
75
81
79
68
59
84
85
76
68
73
83
81
76
89
98
100
100
98
80
92
100
100
69

Medium Clouds (% Sky Obscured)

67
75
34
28
27
30
26
33
45
42
43
47
62
60
50
42
45
50
65
55
50
42
60
68

High Clouds (% Sky Obscured)

17
2
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)

8
9
9
9
9
9
9
9
9
9
9
1
1
1
7
4
1
1
1
1
1
1
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
41
42
34
49
50
44
40
42
44
44
37
27
23
18
23
11
18
19
22
22
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
75
71
73
84
82
85
79
72
74
81
84
82
78
79
86
86
86
85
83
83
80
76

Pressure (mb)

1008
1009
1008
1008
1009
1010
1011
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1016
1016
1016

Ozone (du)

343
343
345
342
339
340
340
337
334
334
334
330
326
319
319
320
317
317
317
318
320
326
333
335

Thursday 1

Waxing Gibbous 96%

14:56

05:39

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

Sun - Rise: 07:40, Set: 17:16, Transit: 12:28. Moon - Rise: 14:56, Set: 05:39. Civil Dark: 17:45 - 07:11. Nautical Dark: 18:18 - 06:38. Astro Dark: 18:50 - 06:06

Total Clouds (% Sky Obscured)

53
25
12
4
0
0
0
0
7
11
15
0
11
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

42
20
10
3
0
0
0
0
7
11
15
0
11
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

10
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 (%)

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 (%)

9
3
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)

10
10
11
12
11
11
11
11
13
13
13
12
10
8
6
3
3
3
2
2
2
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-3
-4
-4
-5
-6
-6
-7
-8
-10
-10
-10
-10
-10
-10
-8
-9
-10
-11
-12
-13
-13
-14
-14

Relative Humidity (%)

75
64
64
63
61
59
57
54
42
34
31
30
30
30
31
40
41
42
43
43
42
42
42
42

Pressure (mb)

1016
1017
1017
1018
1019
1020
1021
1022
1022
1023
1023
1022
1022
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025

Ozone (du)

333
333
326
322
319
320
322
319
323
334
336
338
333
335
336
340
345
348
345
344
343
342
344
344

Friday 2

Waxing Gibbous 100%

16:00

06:52

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

Sun - Rise: 07:40, Set: 17:17, Transit: 12:28. Moon - Rise: 16:00, Set: 06:52. Civil Dark: 17:46 - 07:11. Nautical Dark: 18:19 - 06:38. Astro Dark: 18:51 - 06:06

Total Clouds (% Sky Obscured)

1
2
2
2
2
2
0
0
0
1
29
30
30
33
4
2
1
2
28
33
28
25
21
19

Low Clouds (% Sky Obscured)

0
0
1
0
1
1
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
8
15
21
21
19
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
15
15
15
18
2
1
1
2
22
18
2
1
0
2

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

Chance of Frost

Temperature (°C)

-3
-3
-3
-3
-3
-3
-3
-2
1
5
7
9
10
10
10
9
8
7
5
4
4
3
3
3

Feels Like (°C)

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

Dew Point (°C)

-14
-13
-12
-11
-10
-9
-9
-9
-6
-2
-1
1
2
2
2
3
3
2
1
-0
-1
-1
-1
-1

Relative Humidity (%)

44
46
50
55
60
65
65
62
58
59
57
57
58
58
60
65
70
71
71
72
75
76
76
76

Pressure (mb)

1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1022
1022
1022
1022
1022
1022
1021
1021

Ozone (du)

346
343
346
347
349
353
350
355
353
351
352
353
354
355
353
351
351
351
352
352
350
348
343
341

Saturday 3

Full Moon 100%

17:13

07:54

02 OK
03 OK
04 OK
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

Sun - Rise: 07:41, Set: 17:17, Transit: 12:29. Moon - Rise: 17:13, Set: 07:54. Civil Dark: 17:47 - 07:11. Nautical Dark: 18:19 - 06:39. Astro Dark: 18:51 - 06:07

Total Clouds (% Sky Obscured)

24
41
44
63
74
88
99
99
98
88
79
67
78
90
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

7
13
19
21
22
23
29
34
38
47
38
31
24
16
8
15
20
24
18
12
6
14
29
36

Medium Clouds (% Sky Obscured)

11
31
44
51
38
2
12
26
37
44
28
21
17
10
3
3
3
18
40
36
37
52
51
57

High Clouds (% Sky Obscured)

8
35
35
44
44
86
98
97
94
73
51
25
47
73
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
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
1
1
1
5
6
3
23
21
16
18
18
13
4
3
2
9
13
17
19
24
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)

5
5
5
5
6
10
10
10
12
16
16
16
16
15
14
13
13
13
12
12
13
14
12
11

Chance of Frost

Temperature (°C)

3
3
3
3
4
5
6
9
12
15
15
16
17
16
16
15
15
15
14
14
14
14
14
13

Feels Like (°C)

2
2
0
1
1
1
1
4
7
8
9
11
11
12
11
11
10
10
10
10
9
9
9
9

Dew Point (°C)

-1
-1
-1
-1
1
2
3
5
8
11
12
12
12
12
12
12
11
11
10
11
11
11
11
11

Relative Humidity (%)

76
76
77
77
80
79
78
73
72
76
80
75
73
73
77
78
76
76
75
79
83
83
83
83

Pressure (mb)

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

Ozone (du)

339
337
335
334
335
337
339
340
343
343
344
342
342
340
339
342
342
342
343
342
341
343
341
338

Sunday 4

Waning Gibbous 97%

18:30

08:45

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

Sun - Rise: 07:41, Set: 17:18, Transit: 12:29. Moon - Rise: 18:30, Set: 08:45. Civil Dark: 17:47 - 07:11. Nautical Dark: 18:20 - 06:39. Astro Dark: 18:52 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
71
58
60
66
99
100
100
100
99
96
93
90
85
80
71
79
90
100
100
100
100

Low Clouds (% Sky Obscured)

41
44
45
40
30
26
28
29
30
30
29
31
26
21
17
12
11
7
7
6
6
10
14
17

Medium Clouds (% Sky Obscured)

51
65
57
53
53
54
62
66
65
55
92
80
57
35
13
29
50
67
74
81
95
90
84
78

High Clouds (% Sky Obscured)

100
100
100
67
58
54
57
97
100
99
98
96
89
83
79
78
68
63
74
84
100
100
100
100

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 (%)

22
17
3
19
19
15
14
6
13
3
4
2
5
4
1
6
3
1
3
3
1
2
2
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
10
11
12
11
10
11
12
14
17
18
18
18
17
16
16
14
13
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

13
14
14
14
14
14
14
14
15
16
16
16
16
16
15
15
14
14
14
13
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
11
11
11
11
11
11
10
11
11
11
10
10
10
10
10
10
9
9
9

Relative Humidity (%)

80
78
78
74
79
80
82
78
76
75
73
69
69
72
74
75
76
78
79
79
79
77
79
79

Pressure (mb)

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

Ozone (du)

341
343
345
350
350
351
350
347
343
340
337
337
334
332
329
326
324
323
321
320
319
317
315
313

Monday 5

Waning Gibbous 97%

19:45

09:25

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

Sun - Rise: 07:41, Set: 17:19, Transit: 12:30. Moon - Rise: 19:45, Set: 09:25. Civil Dark: 17:48 - 07:11. Nautical Dark: 18:21 - 06:39. Astro Dark: 18:53 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
97
95
94
94
94
95
97
100
97
93
90
86
80
74
75
78
81

Low Clouds (% Sky Obscured)

18
20
22
27
31
33
35
40
45
49
52
58
54
45
36
34
32
30
32
35
37
44
51
57

Medium Clouds (% Sky Obscured)

81
83
85
83
82
81
81
81
84
75
64
54
57
59
63
64
64
69
62
51
41
41
42
40

High Clouds (% Sky Obscured)

98
97
96
98
99
100
92
81
71
70
64
58
69
84
100
89
77
66
60
54
46
44
41
43

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 (%)

3
1
0
1
1
0
1
1
0
4
5
6
4
4
5
3
1
0
3
4
1
7
10
14

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
10
10
9
11
13
13
14
15
15
14
12
10
9
8
7
7
7
8
8
9

Chance of Frost

Temperature (°C)

13
13
13
12
12
13
13
14
14
15
16
16
16
16
15
15
14
14
14
13
13
13
14
14

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
10
10
10
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

79
79
77
77
80
81
84
80
76
74
73
72
71
73
75
79
80
82
83
84
84
84
84
83

Pressure (mb)

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

Ozone (du)

311
308
306
303
303
302
302
302
302
302
301
299
298
299
300
300
301
302
303
304
305
306
305
304

Tuesday 6

Waning Gibbous 91%

20:56

09:57

Sun - Rise: 07:41, Set: 17:20, Transit: 12:30. Moon - Rise: 20:56, Set: 09:57. Civil Dark: 17:49 - 07:12. Nautical Dark: 18:22 - 06:39. Astro Dark: 18:54 - 06:07

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 Dimodidaskálon, Nomarchía Athínas, Greece (38.01,23.80)

Generated: 31/12/25 02:40:48. Forecast: 31/12/25 to 06/01/26. Timezone: UTC+2.00