Clear Outside v1.0 - International Weather Forecasts For Astronomers

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 OK
17 OK
18 Bad
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)

63
70
75
79
87
76
100
97
83
100
98
61
49
74
75
22
45
61
100
100
56
52
52
60

Low Clouds (% Sky Obscured)

59
29
16
2
3
53
3
3
3
3
0
0
3
6
2
5
37
47
55
57
53
5
4
3

Medium Clouds (% Sky Obscured)

63
70
75
77
77
74
81
61
50
50
49
61
49
74
54
22
45
61
100
100
21
52
52
60

High Clouds (% Sky Obscured)

0
3
8
3
0
4
100
61
10
5
6
0
0
0
0
0
0
0
0
0
0
0
0
4

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
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
77
79
78
78
77
77
74
67
63
58
56
54
55
61
69
72
72
73
72
72
68
61

Pressure (mb)

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

Ozone (du)

414
412
412
411
411
412
411
412
413
415
419
421
424
425
427
427
428
428
427
427
424
416
416
413

Wednesday 21

Waxing Crescent 8%

09:03

20:04

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 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)

100
100
100
100
100
97
96
100
100
96
98
100
97
92
98
85
73
86
87
83
64
51
16
18

Low Clouds (% Sky Obscured)

3
3
8
2
18
59
35
31
26
5
14
13
3
6
17
26
2
2
2
3
3
3
3
9

Medium Clouds (% Sky Obscured)

100
98
93
57
60
90
71
52
78
48
59
54
40
47
43
40
44
42
44
48
34
24
3
4

High Clouds (% Sky Obscured)

100
100
100
100
36
36
59
69
0
0
12
90
58
3
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
58
59
61
62
62
60
59
54
48
43
41
41
42
44
48
54
59
61
62
62
63
65
66

Pressure (mb)

1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1007
1006
1006
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004

Ozone (du)

411
410
409
408
408
406
405
405
406
405
405
405
403
401
397
395
394
394
393
393
393
391
389
388

Thursday 22

Waxing Crescent 14%

09:25

21:13

01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 OK
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: 07:30, 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)

4
5
6
4
3
3
2
3
3
23
58
84
73
49
50
77
87
99
90
73
82
100
100
95

Low Clouds (% Sky Obscured)

3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
21
30

Medium Clouds (% Sky Obscured)

2
2
2
2
2
3
2
3
3
0
0
0
3
5
8
18
20
43
72
38
40
31
36
31

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
23
55
83
67
43
33
59
75
94
81
73
82
90
88
78

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
69
71
72
72
74
73
74
67
61
55
51
50
51
54
59
67
73
74
77
77
75
74
74

Pressure (mb)

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

Ozone (du)

389
390
394
396
399
398
397
395
390
380
377
367
359
355
350
349
349
348
351
355
364
371
373
376

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
98
100
100
100
100
99
100
100
99
96
63
68
80
59
63
79
85
90
95
100
100
100
100

Low Clouds (% Sky Obscured)

34
37
43
49
52
55
50
50
45
46
45
44
55
70
59
61
57
58
62
47
73
69
70
70

Medium Clouds (% Sky Obscured)

29
38
41
82
99
100
89
100
91
97
94
55
53
63
35
33
24
72
86
8
85
93
95
99

High Clouds (% Sky Obscured)

90
92
100
97
93
90
87
90
91
91
34
5
12
18
33
37
62
68
79
91
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
18
23
39
51
58
64
61
59
57
53
39
50
56
58
61
52
36
31
31
23
42
60
44

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
69
69
69
69
70
69
66
60
57
55
56
58
58
61
67
71
72
72
73
71
68
68

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1001
1002
1002
1002
1002
1003
1003
1003
1002

Ozone (du)

377
376
374
371
371
370
370
369
368
368
366
368
358
353
350
346
343
340
339
338
339
341
342
345

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)

100
100
100
95
91
87
86
87
87
66
43
19
24
29
37
45
53
64
76
86
100
100
99
99

Low Clouds (% Sky Obscured)

75
82
85
82
79
75
73
71
68
59
43
19
19
19
21
19
16
15
21
29
38
48
58
66

Medium Clouds (% Sky Obscured)

99
100
100
94
89
83
85
81
78
57
32
6
4
2
0
1
1
2
35
67
100
97
94
92

High Clouds (% Sky Obscured)

100
100
100
68
40
22
39
67
82
58
29
0
0
0
0
12
23
35
52
69
86
70
54
37

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

93
94
86
90
85
73
95
95
95
95
85
66
51
38
25
37
44
48
56
67
79
84
88
91

Precipitation Amount (mm)

0.4
0.4
0.3
0.5
0.5
0.3
0.8
1
1.1
0.8
0.5
0.3
0
0
0
0
0
0
0
0.3
0.4
0.5
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
12
13
13
13
14
14
13
13
12
12
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
72
78
83
85
87
90
86
80
76
70
64
59
58
58
56
57
57
56
58
59
61
61
64

Pressure (mb)

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

Ozone (du)

348
349
351
352
353
355
356
360
363
367
371
375
379
381
383
386
388
390
391
393
394
396
401
405

Sunday 25

Waxing Crescent 44%

10:30

00:48

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: 07:28, 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)

93
88
83
88
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
77
54
31

Low Clouds (% Sky Obscured)

63
60
60
73
88
100
100
100
100
86
77
73
89
96
100
80
63
46
37
29
20
18
18
17

Medium Clouds (% Sky Obscured)

87
83
78
86
93
100
100
100
100
97
94
90
94
97
100
100
99
99
69
39
8
6
3
1

High Clouds (% Sky Obscured)

47
57
67
79
89
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
70
40
14

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
85
65
36
29
22
10
19
23
24

Precipitation Amount (mm)

0.7
1
1.4
1.3
1.3
1.6
2.3
3.7
6.6
2.9
2.6
1.8
1.7
1.2
0.7
0.5
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
69
76
81
81
81
81
85
90
93
93
91
90
91
90
91
90
90
91
90
90
90
90
88

Pressure (mb)

1002
1002
1001
1001
1000
999
998
998
999
999
999
999
999
999
999
999
1000
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

410
416
421
426
427
427
427
429
431
432
433
434
434
434
434
434
436
438
439
442
446
449
451
452

Monday 26

First Quarter 56%

10:58

No Set

Sun - Rise: 07:27, Set: 17:17, Transit: 12:22. Moon - Rise: 10:58, Set: No Set. Civil Dark: 17:47 - 06:57. Nautical Dark: 18:21 - 06:24. Astro Dark: 18:54 - 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: 20/01/26 01:42:57. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+1.00