Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 18

New Moon 0%

07:37

16:38

06 OK
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
02 Bad
03 Bad
04 Bad
05 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)

37
50
60
70
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

17
31
60
70
76
53
57
75
77
72
79
84
60
55
80
69
66
55
55
55
60
75
54
47

Medium Clouds (% Sky Obscured)

37
50
60
47
49
59
86
100
100
84
62
51
50
93
100
100
100
100
100
100
100
100
99
100

High Clouds (% Sky Obscured)

31
50
60
70
100
85
30
79
93
68
100
100
100
100
100
100
100
100
100
100
100
99
92
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 (%)

0
0
0
5
3
3
3
20
18
34
29
19
7
7
5
8
8
3
3
8
14
19
26
30

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
66
63
60
58
55
49
47
46
46
51
57
60
64
65
65
65
66
63
63
60
60
65
67

Pressure (mb)

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

Ozone (du)

322
321
323
327
332
334
336
335
335
335
335
333
331
333
334
336
337
336
337
336
336
337
342
346

Monday 19

Waxing Crescent 1%

08:11

17:47

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 OK
00 OK
01 Bad
02 OK
03 Bad
04 Bad
05 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 - 05:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
94
92
96
100
100
100
89
87
89
83
73
69
20
42
55
39
67
85
61

Low Clouds (% Sky Obscured)

66
68
74
68
71
79
87
89
89
86
76
71
63
55
52
52
36
12
40
45
24
4
20
60

Medium Clouds (% Sky Obscured)

100
100
100
95
93
94
92
94
92
93
88
81
67
53
54
44
41
13
42
55
22
67
54
22

High Clouds (% Sky Obscured)

100
100
100
100
100
47
34
71
100
100
100
29
26
14
12
0
0
0
0
0
0
7
11
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
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 (%)

38
32
31
29
14
19
22
23
16
26
21
2
2
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
68
68
67
65
65
66
69
64
69
77
80
79
76
73
74
76
76
75
73
74
74
73
73

Pressure (mb)

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

Ozone (du)

354
362
366
370
374
375
377
381
383
386
389
390
393
396
397
398
400
404
405
410
417
419
416
414

Tuesday 20

Waxing Crescent 3%

08:39

18:56

06 Bad
07 OK
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
02 Bad
03 Bad
04 Bad
05 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)

87
42
83
98
99
65
52
91
100
96
100
92
84
81
78
81
85
96
89
91
98
100
96
72

Low Clouds (% Sky Obscured)

30
3
3
3
2
2
5
3
0
2
3
11
31
13
3
9
3
3
1
1
0
0
0
0

Medium Clouds (% Sky Obscured)

11
35
46
46
50
29
26
51
100
89
98
73
42
50
50
36
48
51
55
55
46
86
89
30

High Clouds (% Sky Obscured)

87
0
64
71
19
28
4
20
29
70
93
76
57
69
76
51
12
81
27
52
76
100
88
72

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
7
8
9
11
13
12
11
10
9
9
9
10
10
7
7
5
5
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

70
73
72
67
59
53
49
46
46
48
54
64
68
69
72
74
73
67
57
52
51
53
54
54

Pressure (mb)

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

Ozone (du)

415
417
416
416
418
420
419
420
421
423
425
427
430
433
432
425
424
425
425
422
420
418
417
417

Wednesday 21

Waxing Crescent 8%

09:03

20:04

06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
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
02 Good
03 Good
04 Good
05 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 - 05:53

Total Clouds (% Sky Obscured)

66
58
57
55
39
31
26
16
9
1
2
1
1
1
2
1
5
7
9
7
5
3
10
19

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
2
1
1
1
2
1
2
2
2
2
2
2
8
13

Medium Clouds (% Sky Obscured)

24
22
22
23
24
18
14
9
6
0
0
0
0
0
0
0
2
4
7
5
3
0
0
0

High Clouds (% Sky Obscured)

59
36
21
6
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
9

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
56
57
53
46
41
38
35
36
37
41
49
54
57
59
61
65
67
67
67
70
71
72
72

Pressure (mb)

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

Ozone (du)

418
418
418
419
419
417
416
414
414
413
412
410
406
404
406
404
401
400
401
404
404
402
399
397

Thursday 22

Waxing Crescent 14%

09:25

21:13

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
02 Bad
03 Bad
04 Bad
05 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 - 05:52

Total Clouds (% Sky Obscured)

52
63
59
60
65
69
74
69
65
60
62
63
65
85
88
92
94
98
98
98
98
100
97
92

Low Clouds (% Sky Obscured)

19
14
7
0
0
0
1
2
2
2
8
39
3
20
34
54
61
73
84
80
73
67
60
57

Medium Clouds (% Sky Obscured)

3
63
59
60
65
69
57
69
65
60
62
63
65
81
87
92
87
77
67
78
89
100
95
91

High Clouds (% Sky Obscured)

49
63
59
58
42
69
74
69
63
56
62
53
52
85
88
92
90
86
82
85
88
91
93
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
7

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
15
26
31
54
69
69
87
83
64
74
71

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.6
0.6
0.2
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
69
68
63
57
57
56
57
57
58
63
67
72
74
69
65
63
65
68
70
72
74
75
77

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004

Ozone (du)

398
399
400
404
408
406
396
382
370
357
346
340
340
343
348
354
359
365
370
376
378
380
382
381

Friday 23

Waxing Crescent 23%

09:46

22:22

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
02 Bad
03 Bad
04 Bad
05 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)

89
86
86
84
89
95
99
99
99
98
98
99
100
100
100
99
100
100
100
99
99
98
98
99

Low Clouds (% Sky Obscured)

57
55
52
55
63
76
80
80
81
79
75
70
54
52
56
64
66
66
71
69
60
44
46
48

Medium Clouds (% Sky Obscured)

82
86
86
84
89
91
92
88
85
83
79
71
67
58
46
31
52
74
96
87
78
67
75
85

High Clouds (% Sky Obscured)

89
86
84
83
79
75
64
44
24
5
7
9
11
10
5
8
37
63
89
83
78
72
69
67

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

66
67
69
74
80
68
32
53
51
16
33
39
34
51
54
49
57
59
57
61
66
66
68
60

Precipitation Amount (mm)

0.2
0.3
0.3
0.4
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
81
81
80
78
76
74
71
72
74
75
74
73
72
73
75
77
80
83
86
87
87
87
87

Pressure (mb)

1004
1004
1004
1005
1005
1005
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

379
377
376
374
373
370
367
364
358
352
346
343
341
339
337
335
333
332
331
330
330
331
332
331

Saturday 24

Waxing Crescent 33%

10:07

23:34

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 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
94
91
83
76
69
78
81
82
88
94
100

Low Clouds (% Sky Obscured)

51
63
75
86
90
94
98
98
94
91
82
75
69
61
51
40
31
21
12

Medium Clouds (% Sky Obscured)

100
100
99
99
95
92
88
92
94
91
83
76
67
56
46
35
57
78
100

High Clouds (% Sky Obscured)

70
66
65
61
73
85
97
98
94
91
76
67
57
65
67
69
80
90
100

ISS Passover

Visibility (miles)

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

Fog (%)

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

46
43
42
44
79
95
95
95
95
95
95
87
70
68
73
80
81
81
75

Precipitation Amount (mm)

0
0
0
0
0.5
0.7
0.9
1.1
1.1
0.9
0.7
0.5
0.3
0.3
0.3
0.4
0.5
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
9
8
8
8
8
9
9
9
10
9
9
9
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

87
85
84
81
80
83
86
90
89
90
90
90
92
93
93
91
93
91
91

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1006
1006
1006
1006
1006
1006

Ozone (du)

331
331
330
330
330
329
327
326
326
326
326
329
333
336
341
347
352
358
364

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

Generated: 18/01/26 06:27:02. Forecast: 18/01/26 to 24/01/26. Timezone: UTC+1.00