Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 19

Waxing Crescent 1%

08:11

17:47

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
00 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)

81
85
89
100
100
100
100
100
100
100
100
100
100
100
100
97
100
99
91
92
95
92
92
85

Low Clouds (% Sky Obscured)

61
69
65
75
79
84
31
46
71
42
55
86
95
90
89
95
75
74
62
64
51
51
57
40

Medium Clouds (% Sky Obscured)

81
85
89
100
100
93
100
100
100
100
97
100
100
100
95
84
96
86
69
88
95
83
85
85

High Clouds (% Sky Obscured)

81
85
89
38
69
100
100
100
97
82
100
100
100
41
100
54
19
40
20
16
3
5
0
0

ISS Passover

Visibility (miles)

9
9
8
7
9
9
9
9
9
9
9
9
9
9
7
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
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
44
41
45
16
15
3
3
4
12
30
54
63
61
62
58
42
18
4
4
6
5
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
66
73
80
80
78
78
78
75
72
64
63
66
66
73
79
77
77
73
72
72
73
74
71

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

336
333
332
333
337
342
346
352
361
369
374
378
381
384
386
386
387
393
398
400
402
407
408
409

Tuesday 20

Waxing Crescent 3%

08:39

18:56

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 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 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)

81
79
76
83
100
97
100
100
87
100
51
79
81
77
83
71
51
47
64
69
77
66
63
62

Low Clouds (% Sky Obscured)

53
26
44
31
40
55
3
4
3
3
4
4
4
1
2
3
5
5
16
11
3
5
3
3

Medium Clouds (% Sky Obscured)

81
79
57
42
85
61
100
63
87
100
51
79
81
70
72
66
40
22
52
69
73
31
37
62

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
4
0
2
29
41
53
40
29
4
0
5
3
0
10
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
4
4
4
4
4
4
4
4
5
5
5
6
6
6
5
5
5
4
2
0

Relative Humidity (%)

72
71
72
73
73
72
69
71
67
61
57
55
55
55
56
60
65
70
72
73
73
70
64
57

Pressure (mb)

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

Ozone (du)

409
411
412
414
414
417
418
418
417
418
419
419
421
423
425
426
428
429
429
431
428
423
418
417

Wednesday 21

Waxing Crescent 8%

09:03

20:04

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

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)

69
62
43
42
33
54
66
90
97
99
100
100
49
25
25
25
29
28
32
26
23
16
15
10

Low Clouds (% Sky Obscured)

3
16
3
2
7
46
17
4
5
4
3
3
3
3
3
3
3
3
3
3
0
0
2
2

Medium Clouds (% Sky Obscured)

69
62
17
15
18
54
46
23
49
63
80
60
24
0
2
3
11
10
6
6
3
6
15
4

High Clouds (% Sky Obscured)

2
2
1
0
5
8
30
69
78
47
8
7
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
54
55
57
58
59
59
59
55
48
45
42
41
40
41
46
53
57
60
62
65
66
69
70

Pressure (mb)

1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

416
413
409
408
408
408
407
408
407
407
406
406
404
401
396
393
393
391
389
392
391
392
394
397

Thursday 22

Waxing Crescent 14%

09:25

21:13

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

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)

8
16
11
13
17
21
16
11
7
29
38
50
56
67
79
83
91
97
98
99
100
87
91
100

Low Clouds (% Sky Obscured)

2
3
3
7
11
14
8
4
0
0
0
0
5
11
18
14
9
3
9
16
23
26
29
37

Medium Clouds (% Sky Obscured)

4
7
6
3
3
3
3
3
0
0
0
0
0
0
3
55
46
4
11
45
56
40
42
43

High Clouds (% Sky Obscured)

2
7
4
1
1
0
1
2
5
25
38
50
56
67
79
83
91
97
97
99
100
72
79
92

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
74
75
75
75
76
73
73
67
60
54
52
55
58
60
64
69
74
76
77
77
74
73
70

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

399
404
408
401
392
389
380
371
362
355
348
345
345
344
343
344
349
357
362
367
371
376
377
378

Friday 23

Waxing Crescent 23%

09:46

22:22

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
00 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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
96
93
91
82
72
62

Low Clouds (% Sky Obscured)

38
31
30
23
18
11
20
27
30
33
32
43
42
43
40
44
49
52
53
54
55
55
53
51

Medium Clouds (% Sky Obscured)

52
45
40
42
63
100
100
100
100
100
100
100
100
100
100
99
97
96
85
74
63
44
25
6

High Clouds (% Sky Obscured)

93
96
100
96
89
78
85
93
100
100
100
100
100
100
100
76
50
22
22
30
42
30
15
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
8
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 (%)

6
10
8
18
23
25
24
23
18
20
17
12
33
34
16
27
34
23
36
37
31
43
45
44

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
70
73
71
70
69
68
63
58
56
56
58
62
65
69
72
76
78
80
82
84
87
88

Pressure (mb)

1001
1001
1001
1001
1001
1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1002
1003
1003
1004
1004
1004

Ozone (du)

378
380
378
379
382
381
380
379
377
376
375
375
374
369
365
360
356
352
348
348
349
349
348
347

Saturday 24

Waxing Crescent 33%

10:07

23:34

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
00 Bad

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)

52
42
35
48
61
75
76
73
74
81
89
98
98
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

46
39
33
41
49
57
44
34
25
43
61
78
84
90
97
94
90
84
86
82
82
81
85
90

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
21
41
62
73
84
96
96
96
96
94
93
95
96
98
100
100
100
100

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
1
3
4
36
68
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
7
4
2
3
4
5
6
6
6
5
4

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

40
32
21
19
17
14
16
16
12
31
42
52
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.8
1.4
1.8
1.9
2.2
2.8
1.7
1
0.4
0.7
0.8
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
91
91
91
91
90
85
80
77
76
75
75
80
86
92
92
90
89
87
87
86
87
89

Pressure (mb)

1005
1005
1005
1004
1005
1005
1005
1005
1006
1006
1005
1005
1005
1004
1004
1003
1003
1003
1003
1003
1002
1002
1001
1001

Ozone (du)

346
346
346
345
347
348
349
349
348
348
347
346
344
343
343
342
343
344
344
347
350
352
355
358

Sunday 25

Waxing Crescent 44%

10:30

00:48

Sun - Rise: 07:28, Set: 17:16, Transit: 12:22. Moon - Rise: 10:30, Set: 00:48. Civil Dark: 17:46 - 06:58. Nautical Dark: 18:20 - 06:24. Astro Dark: 18:53 - 05:51

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: 19/01/26 01:06:07. Forecast: 19/01/26 to 25/01/26. Timezone: UTC+1.00