Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 61%

12:02

01:44

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
09 Good
10 Good

Sun - Rise: 07:37, Set: 16:46, Transit: 12:11. Moon - Rise: 12:02, Set: 01:44. Civil Dark: 17:18 - 07:05. Nautical Dark: 17:53 - 06:30. Astro Dark: 18:27 - 05:56

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 (%)

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)

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

Chance of Frost

Temperature (°C)

7
9
11
12
13
12
11
10
9
9
8
8
7
7
6
6
6
6
6
5
5
5
7
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
45
44
43
45
50
55
57
57
57
58
59
59
60
59
59
58
54
52
49
48
46
42
38

Pressure (mb)

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

Ozone (du)

311
311
310
309
309
308
306
307
306
305
304
303
303
304
304
301
299
298
298
299
300
301
303
303

Monday 29

Waxing Gibbous 72%

12:27

03:01

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

Sun - Rise: 07:37, Set: 16:47, Transit: 12:12. Moon - Rise: 12:27, Set: 03:01. Civil Dark: 17:19 - 07:05. Nautical Dark: 17:54 - 06:30. Astro Dark: 18:27 - 05:57

Total Clouds (% Sky Obscured)

0
0
0
0
0
4
0
2
20
28
32
36
33
33
44
40
28
26
31
41
44
49
36
23

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
0
1
13
16
18
19
18
17
25
23
16
15
20
26
27
34
22
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
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
6
21
41
42
50
56
55
16
20
20
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
44
50
55
57
62
68
71
72
74
75
75
75
75
77
77
77
76
76
76
76
75
70
61

Pressure (mb)

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

Ozone (du)

303
303
305
307
309
310
312
314
316
314
314
315
314
315
316
316
315
314
314
313
313
311
311
313

Tuesday 30

Waxing Gibbous 82%

12:58

04:22

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

Sun - Rise: 07:37, Set: 16:48, Transit: 12:12. Moon - Rise: 12:58, Set: 04:22. Civil Dark: 17:19 - 07:06. Nautical Dark: 17:54 - 06:31. Astro Dark: 18:28 - 05:57

Total Clouds (% Sky Obscured)

20
18
0
0
0
0
1
2
6
1
0
3
25
41
56
71
90
91
79
81
81
79
78
81

Low Clouds (% Sky Obscured)

13
12
0
0
0
0
1
2
6
1
0
2
15
22
40
69
90
91
79
81
81
79
78
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
28
29
28
32
32
24
24
25

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
14
15
10
4
5
5
3
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)

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

Chance of Frost

Temperature (°C)

11
12
13
13
13
12
11
10
9
9
8
8
7
7
7
7
7
7
7
7
7
7
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
50
48
47
47
52
57
61
64
67
70
73
71
67
64
63
59
54
49
46
45
46
49
49

Pressure (mb)

1014
1013
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1017
1018

Ozone (du)

313
314
313
313
314
311
312
313
316
317
318
316
316
316
319
318
316
313
312
310
312
312
313
310

Wednesday 31

Waxing Gibbous 90%

13:37

05:42

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:37, Set: 16:49, Transit: 12:13. Moon - Rise: 13:37, Set: 05:42. Civil Dark: 17:20 - 07:06. Nautical Dark: 17:55 - 06:31. Astro Dark: 18:29 - 05:57

Total Clouds (% Sky Obscured)

83
87
84
81
78
79
78
77
81
84
87
72
80
79
82
86
90
90
93
60
65
93
92
91

Low Clouds (% Sky Obscured)

83
85
83
81
78
79
78
77
81
84
87
72
80
79
82
86
89
87
86
46
56
84
84
81

Medium Clouds (% Sky Obscured)

19
15
10
6
3
2
1
0
0
0
0
0
0
0
7
18
27
32
42
49
44
43
35
29

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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
48
48
48
47
48
47
46
45
46
47
50
54
55
55
55
55
54
54
54
56
57
56
58

Pressure (mb)

1018
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1019
1019
1020
1020
1020
1020
1021

Ozone (du)

311
313
311
309
309
311
317
326
329
328
327
328
329
332
332
333
336
337
339
339
339
336
339
341

Thursday 1

Waxing Gibbous 97%

14:27

06:56

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:37, Set: 16:50, Transit: 12:13. Moon - Rise: 14:27, Set: 06:56. Civil Dark: 17:21 - 07:06. Nautical Dark: 17:56 - 06:31. Astro Dark: 18:30 - 05:57

Total Clouds (% Sky Obscured)

89
88
84
82
82
85
88
91
93
94
96
97
98
100
99
98
98
98
99
100
97
96
96
97

Low Clouds (% Sky Obscured)

78
74
67
61
54
57
58
64
70
78
86
81
80
67
71
75
78
77
77
74
66
57
49
53

Medium Clouds (% Sky Obscured)

19
11
11
11
10
12
11
10
10
7
7
5
5
6
9
10
11
35
59
84
61
40
18
38

High Clouds (% Sky Obscured)

0
0
0
4
4
3
0
0
3
50
4
64
40
100
97
96
94
98
99
100
87
91
95
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
7
6
7
7
4
5
7
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
11
16
20
36
47
59
67
79
79
76
78
80
63
70
61
49
44
38
32
28
24
17
29

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0.5
0.6
0.5
0.6
0.7
0.3
0.3
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
10
10
10
10
10
10
10
10
10
10
10
11
10
10
10
10
10
10
11
11
12
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
57
61
66
67
66
66
68
70
73
74
78
84
88
91
91
90
90
84
78
73
70
66
64

Pressure (mb)

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

Ozone (du)

343
342
340
339
340
340
338
333
329
330
335
337
338
338
334
333
332
331
330
329
329
330
332
334

Friday 2

Waxing Gibbous 100%

15:31

07:57

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 Bad
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:37, Set: 16:50, Transit: 12:14. Moon - Rise: 15:31, Set: 07:57. Civil Dark: 17:22 - 07:06. Nautical Dark: 17:57 - 06:31. Astro Dark: 18:31 - 05:57

Total Clouds (% Sky Obscured)

96
96
96
96
95
91
87
79
79
84
83
86
87
86
70
54
38
36
33
31
50
70
85
85

Low Clouds (% Sky Obscured)

58
64
72
81
91
90
87
79
79
74
67
68
68
70
59
45
31
28
27
26
38
52
65
67

Medium Clouds (% Sky Obscured)

61
84
83
80
77
81
86
79
77
65
52
35
17
4
3
5
3
7
10
10
11
16
14
14

High Clouds (% Sky Obscured)

70
54
51
48
44
57
70
79
73
64
54
39
23
7
7
6
5
5
4
4
6
9
11
11

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 (%)

36
39
44
46
45
43
40
31
26
20
9
14
14
7
14
14
5
12
12
8
12
12
7
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)

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

Chance of Frost

Temperature (°C)

14
14
15
15
14
14
14
14
13
13
13
13
14
14
14
14
13
13
14
14
14
14
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
64
65
67
69
71
73
74
75
76
79
82
82
82
83
82
80
79
82
83
86
82
78
74

Pressure (mb)

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

Ozone (du)

336
337
338
336
334
332
331
330
330
330
330
330
329
327
326
325
324
324
326
329
332
332
333
334

Saturday 3

Full Moon 99%

16:46

08:45

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:37, Set: 16:51, Transit: 12:14. Moon - Rise: 16:46, Set: 08:45. Civil Dark: 17:23 - 07:06. Nautical Dark: 17:58 - 06:31. Astro Dark: 18:31 - 05:57

Total Clouds (% Sky Obscured)

86
86
81
78
75
83
90
98
94
88
82
69
56
43
62
79
94
95
96
97

Low Clouds (% Sky Obscured)

72
76
63
47
31
27
23
21
28
35
42
28
16
3
15
27
39
56
72
84

Medium Clouds (% Sky Obscured)

10
10
14
18
21
42
65
87
70
54
37
31
24
18
30
42
56
58
62
66

High Clouds (% Sky Obscured)

10
10
18
27
36
57
78
98
90
81
72
57
43
27
45
66
86
64
40
18

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

17
17
19
18
10
15
15
7
12
13
10
19
23
24
41
54
65
69
72
74

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
16
15
15
15
15
14
14
14
14
14
14
14
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
69
67
69
70
71
73
73
74
75
76
78
79
79
79
80
79
80
80
82

Pressure (mb)

1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008

Ozone (du)

335
337
338
338
337
337
336
336
335
328
320
313
312
310
309
310
311
312
308
305

Forecast for Testaccio, Province of Rome, Italy (41.86,12.48)

Generated: 28/12/25 11:48:01. Forecast: 28/12/25 to 03/01/26. Timezone: UTC+1.00