Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 18

New Moon 0%

07:37

16:38

00 Bad
01 Bad
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

Sun - Rise: 07:33, Set: 17:07, Transit: 12:20. Moon - Rise: 07:37, Set: 16:38. Civil Dark: 17:38 - 07:02. Nautical Dark: 18:12 - 06:28. Astro Dark: 18:45 - 05:55

Total Clouds (% Sky Obscured)

51
58
64
97
91
92
95
97
97
96
96
97
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
8
18
17
11
10
14
48
73
75
79
72
74
74
73
80
78
70
49
58
74
70
89
83

Medium Clouds (% Sky Obscured)

33
22
34
38
41
44
64
79
53
55
54
47
53
86
80
71
43
65
76
95
100
100
100
100

High Clouds (% Sky Obscured)

44
53
64
82
36
21
16
67
48
39
57
66
100
98
100
100
100
100
100
100
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
1
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
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
2
7
3
3
13
12
5
21
13
31
21
18
50
23
14
10
23
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
69
67
67
67
68
67
64
63
60
58
55
51
50
48
48
52
55
58
61
66
67
67
67

Pressure (mb)

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

Ozone (du)

320
318
318
318
320
321
321
320
322
326
332
336
338
337
337
338
335
333
332
334
335
334
333
334

Monday 19

Waxing Crescent 1%

08:11

17:47

00 Bad
01 Bad
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

Sun - Rise: 07:32, Set: 17:09, Transit: 12:20. Moon - Rise: 08:11, Set: 17:47. Civil Dark: 17:39 - 07:02. Nautical Dark: 18:13 - 06:28. Astro Dark: 18:46 - 05:55

Total Clouds (% Sky Obscured)

100
100
97
100
100
100
100
100
100
100
99
97
100
100
95
96
95
94
90
88
99
98
100
100

Low Clouds (% Sky Obscured)

76
60
55
50
38
41
59
49
42
22
31
83
86
88
87
84
69
61
53
50
53
60
57
17

Medium Clouds (% Sky Obscured)

100
100
97
95
100
100
100
100
100
100
99
95
97
94
92
93
89
50
50
46
40
39
36
35

High Clouds (% Sky Obscured)

23
6
23
100
100
100
100
71
100
100
36
57
100
100
41
30
11
3
3
55
93
90
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
1
2
1
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
Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
13
16
17
20
33
28
36
53
25
34
38
40
46
41
28
17
4
6
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.5
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
11
10
10
10
10
10
11
12
12
12
12
12
12
12
12
12
11
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
65
66
67
68
69
67
67
66
62
59
61
64
79
83
81
83
79
77
77
77
76
77

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

334
333
334
338
344
350
358
365
371
378
382
382
383
385
388
390
391
395
399
402
403
402
405
406

Tuesday 20

Waxing Crescent 3%

08:39

18:56

00 Bad
01 Bad
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

Sun - Rise: 07:32, Set: 17:10, Transit: 12:21. Moon - Rise: 08:39, Set: 18:56. Civil Dark: 17:40 - 07:01. Nautical Dark: 18:14 - 06:27. Astro Dark: 18:47 - 05:54

Total Clouds (% Sky Obscured)

100
100
93
100
100
100
98
98
82
78
76
100
88
96
100
100
95
94
96
87
74
65
57
50

Low Clouds (% Sky Obscured)

45
60
54
28
39
36
35
2
3
3
3
3
3
3
0
2
3
3
3
2
0
0
0
0

Medium Clouds (% Sky Obscured)

33
27
44
46
48
53
43
41
46
44
43
29
25
58
76
80
75
43
67
80
53
20
56
15

High Clouds (% Sky Obscured)

100
100
38
100
100
100
91
89
34
27
33
100
67
96
100
100
85
86
74
57
40
22
19
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 (%)

1
2
3
4
13
2
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
5
5
5
5
4
4
4
4
3
3
3
2
3
4
5
4
3
2
3
3
4
4

Chance of Frost

Temperature (°C)

9
9
9
9
8
8
8
8
8
9
10
11
13
13
14
14
13
12
11
10
10
9
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
75
75
74
73
73
73
71
70
64
58
52
50
47
46
48
53
61
65
66
68
69
67
62

Pressure (mb)

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

Ozone (du)

408
414
416
417
416
415
416
417
418
418
418
418
418
418
421
424
426
429
432
435
434
430
427
426

Wednesday 21

Waxing Crescent 8%

09:03

20:04

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

Sun - Rise: 07:31, Set: 17:11, Transit: 12:21. Moon - Rise: 09:03, Set: 20:04. Civil Dark: 17:41 - 07:01. Nautical Dark: 18:15 - 06:27. Astro Dark: 18:48 - 05:54

Total Clouds (% Sky Obscured)

47
56
64
71
86
84
97
89
86
78
89
94
99
82
69
49
33
53
31
31
30
31
25
25

Low Clouds (% Sky Obscured)

0
0
0
0
3
4
3
1
1
3
3
3
3
3
3
2
2
0
0
6
12
19
17
18

Medium Clouds (% Sky Obscured)

47
51
55
6
7
12
8
13
22
33
26
21
20
44
43
19
21
23
24
24
28
28
25
20

High Clouds (% Sky Obscured)

20
38
42
64
79
82
96
78
66
50
74
89
97
70
43
34
5
45
11
9
6
7
4
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
53
53
54
56
57
58
59
60
56
50
45
40
39
40
42
46
52
57
60
64
66
69
70

Pressure (mb)

1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007
1006
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

424
420
418
416
413
412
413
412
412
412
412
413
413
413
412
409
407
406
403
403
404
405
404
402

Thursday 22

Waxing Crescent 14%

09:25

21:13

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

Sun - Rise: 07:30, Set: 17:12, Transit: 12:21. Moon - Rise: 09:25, Set: 21:13. Civil Dark: 17:42 - 07:00. Nautical Dark: 18:16 - 06:26. Astro Dark: 18:49 - 05:53

Total Clouds (% Sky Obscured)

24
22
18
15
13
12
10
7
4
2
5
6
7
16
26
33
42
50
56
62
74
83
91
94

Low Clouds (% Sky Obscured)

17
13
8
1
3
5
7
5
2
0
0
0
1
1
2
2
6
10
13
24
35
46
62
76

Medium Clouds (% Sky Obscured)

15
12
11
9
8
6
4
3
1
1
0
0
0
0
0
1
1
2
2
27
51
75
85
90

High Clouds (% Sky Obscured)

4
2
0
0
0
0
0
0
0
0
3
3
2
10
11
16
13
25
39
49
74
83
91
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

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
2
3
3
7
11
6
17
20

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
72
74
75
75
78
77
77
76
71
63
57
52
46
45
44
43
44
46
48
48
49
49
50

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

402
400
396
393
393
395
394
395
396
398
401
403
403
385
371
356
342
348
355
362
369
376
384
385

Friday 23

Waxing Crescent 23%

09:46

22:22

00 Bad
01 Bad
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

Sun - Rise: 07:29, Set: 17:14, Transit: 12:22. Moon - Rise: 09:46, Set: 22:22. Civil Dark: 17:44 - 06:59. Nautical Dark: 18:17 - 06:26. Astro Dark: 18:51 - 05:52

Total Clouds (% Sky Obscured)

97
98
99
100
98
94
89
86
87
85
88
89
89
92
95
97
98
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

90
90
89
87
85
84
79
68
58
48
52
55
57
47
39
32
33
32
29
39
43
51
60
72

Medium Clouds (% Sky Obscured)

95
98
99
100
98
94
89
86
84
77
64
51
40
58
78
96
89
84
77
84
92
100
100
100

High Clouds (% Sky Obscured)

95
86
78
69
57
45
33
28
23
17
37
56
75
75
75
75
82
90
99
99
98
98
99
99

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

Precipitation Probability (%)

8
19
28
32
52
61
63
62
50
16
13
10
6
10
13
9
20
25
23
36
38
31
43
47

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
5
5
5
5
5
5
5
6
6
8
8
9
12
11
11
11
11
11
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

50
50
54
57
61
66
72
79
74
70
66
63
60
58
59
59
59
65
72
80
80
81
81
78

Pressure (mb)

1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1006

Ozone (du)

386
388
385
382
379
373
366
360
356
352
348
344
341
337
335
332
330
330
329
329
328
328
327
327

Saturday 24

Waxing Crescent 33%

10:07

23:34

Sun - Rise: 07:29, Set: 17:15, Transit: 12:22. Moon - Rise: 10:07, Set: 23:34. Civil Dark: 17:45 - 06:59. Nautical Dark: 18:19 - 06:25. Astro Dark: 18:52 - 05:52

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

Generated: 17/01/26 23:29:57. Forecast: 18/01/26 to 24/01/26. Timezone: UTC+1.00