Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Gibbous 91%

19:23

09:22

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
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:37, Set: 16:53, Transit: 12:15. Moon - Rise: 19:23, Set: 09:22. Civil Dark: 17:24 - 07:06. Nautical Dark: 17:59 - 06:31. Astro Dark: 18:33 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
92
89
88
87
84
85
85
91
87
80
80
80
84
86
79
81
76
79
82
86
88
86
84

Medium Clouds (% Sky Obscured)

100
100
100
100
82
85
87
75
67
60
62
76
68
90
89
97
95
96
99
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
100
88
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

18
80
95
95
91
95
95
95
95
95
95
95
85
84
92
84
67
65
88
95
95
95
95
95

Precipitation Amount (mm)

0
0.5
1.2
1.3
0
1.3
1.7
1.7
1.1
1.7
1.2
0.9
0.4
0.4
0.7
0.4
0
0
0.5
0.9
1.1
1.4
0.7
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
92
92
90
92
93
92
92
92
90
90
89
89
87
87
89
89
87
87
88
92
93
93

Pressure (mb)

1003
1003
1003
1003
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1003
1003
1003
1003

Ozone (du)

327
325
326
331
332
335
333
333
330
325
327
335
333
328
326
330
336
340
340
342
341
343
344
343

Tuesday 6

Waning Gibbous 83%

20:37

09:50

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
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:37, Set: 16:54, Transit: 12:16. Moon - Rise: 20:37, Set: 09:50. Civil Dark: 17:25 - 07:06. Nautical Dark: 18:00 - 06:31. Astro Dark: 18:34 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
93
96
100
100
100
96
79
84
90
100
97
100
100
100

Low Clouds (% Sky Obscured)

83
79
83
84
80
89
92
94
90
90
92
96
85
85
35
74
13
21
63
50
61
74
58
79

Medium Clouds (% Sky Obscured)

91
99
97
100
100
100
100
100
100
100
82
78
57
32
74
85
62
82
86
95
95
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
13
0
35
100
100
100
77
0
4
15
100
0
100
100
100

ISS Passover

Visibility (miles)

2
8
9
8
7
3
1
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
2
6
2
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
91
95
95
95
95
95
95
95
95
52
21
8
7
5
3
3
3
5
7
6
5
6
28

Precipitation Amount (mm)

0.8
0
0.3
0.8
1.4
1.8
3.9
3.1
2.2
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
10
10
11
12
9
8
9
8
8
7
6
5
5
4
4
5
4
3
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

95
93
90
90
92
92
93
93
90
90
90
90
88
87
87
87
87
87
87
85
83
82
85
86

Pressure (mb)

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

Ozone (du)

349
362
363
364
366
371
375
379
382
381
380
381
382
383
378
374
373
375
372
368
367
367
366
366

Wednesday 7

Waning Gibbous 74%

21:47

10:14

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 OK
22 OK
23 OK
00 Bad
01 OK
02 OK
03 OK
04 OK

Sun - Rise: 07:37, Set: 16:55, Transit: 12:16. Moon - Rise: 21:47, Set: 10:14. Civil Dark: 17:26 - 07:06. Nautical Dark: 18:01 - 06:31. Astro Dark: 18:35 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
100
100
100
100
100
94
73
32
25
25
48
44
33
25
25

Low Clouds (% Sky Obscured)

72
75
90
93
93
88
88
85
86
89
76
73
76
79
75
70
32
25
25
41
34
4
2
1

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
100
100
100
100
100
91
71
32
25
25
48
44
33
25
25

High Clouds (% Sky Obscured)

100
100
100
100
100
100
2
5
0
0
0
100
100
100
46
3
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
5
2
3
4
5
5
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

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

Precipitation Probability (%)

62
74
95
95
95
75
70
71
51
40
21
16
10
17
8
10
8
7
4
3
1
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
88
91
93
91
90
88
88
87
87
88
90
88
88
86
83
82
82
82
73
68
65
65

Pressure (mb)

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

Ozone (du)

367
370
369
366
366
367
373
375
376
377
379
381
387
394
401
403
406
417
429
432
432
428
422
419

Thursday 8

Waning Gibbous 65%

22:53

10:35

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

Sun - Rise: 07:37, Set: 16:56, Transit: 12:16. Moon - Rise: 22:53, Set: 10:35. Civil Dark: 17:27 - 07:06. Nautical Dark: 18:02 - 06:31. Astro Dark: 18:36 - 05:57

Total Clouds (% Sky Obscured)

25
27
14
1
1
1
0
0
0
0
0
0
2
0
1
0
0
16
29
50
49
49
41
42

Low Clouds (% Sky Obscured)

2
1
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
12
24
37
39
44
41
42

Medium Clouds (% Sky Obscured)

25
27
14
0
0
0
0
0
0
0
0
0
2
0
0
0
0
5
12
19
24
30
32
41

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
4
4
8
1
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-3
-2
-0
2
3
4
5
6
6
6
5
4
4
4
3
2
2
2
2
2
2
2

Dew Point (°C)

-4
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-4
-3
-4

Relative Humidity (%)

66
68
71
73
69
63
57
52
49
46
44
50
55
59
61
61
62
62
62
61
62
59
60
58

Pressure (mb)

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

Ozone (du)

418
413
404
386
362
363
362
363
357
353
352
347
346
348
346
340
336
333
329
327
325
325
322
320

Friday 9

Waning Gibbous 65%

23:57

10:54

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
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:36, Set: 16:57, Transit: 12:17. Moon - Rise: 23:57, Set: 10:54. Civil Dark: 17:28 - 07:05. Nautical Dark: 18:03 - 06:31. Astro Dark: 18:37 - 05:57

Total Clouds (% Sky Obscured)

50
96
98
95
84
74
92
92
93
77
81
94
94
94
96
97
98
97
98
96
85
73
56
71

Low Clouds (% Sky Obscured)

44
69
75
67
58
59
62
65
68
61
68
70
71
55
57
42
28
33
39
45
41
35
29
35

Medium Clouds (% Sky Obscured)

42
43
48
70
68
43
85
16
16
14
15
33
71
94
96
97
98
97
98
96
85
73
56
71

High Clouds (% Sky Obscured)

7
54
71
69
27
10
16
65
66
23
17
62
51
45
68
35
3
2
1
0
0
0
0
2

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

11
10
27
35
38
40
43
44
61
70
82
81
85
90
86
81
68
62
56
49
58
62
61
70

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.3
0.5
0.5
0.5
0.4
0.2
0
0
0
0
0.2
0.2
0.3

Wind Speed/Direction (mph)

4
4
5
5
6
9
11
11
12
12
12
12
12
11
9
13
15
17
17
17
17
15
14
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-2
-1
1
2
4
5
6
7
8
8
8
9
9
10
9
8
7
6
5
4
4
4
3

Relative Humidity (%)

58
60
60
63
64
66
66
68
75
77
77
83
86
87
86
80
77
72
70
67
65
65
64
62

Pressure (mb)

1017
1016
1016
1016
1016
1016
1015
1014
1013
1012
1011
1010
1009
1008
1008
1009
1008
1008
1008
1007
1007
1007
1006
1006

Ozone (du)

318
318
320
322
321
318
316
317
315
315
317
320
321
318
317
323
330
336
344
352
360
363
367
370

Saturday 10

Third Quarter 55%

01:01

11:14

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 OK
22 OK
23 OK
00 Good
01 OK
02 Bad
03 Bad
04 OK

Sun - Rise: 07:36, Set: 16:58, Transit: 12:17. Moon - Rise: 01:01, Set: 11:14. Civil Dark: 17:29 - 07:05. Nautical Dark: 18:04 - 06:31. Astro Dark: 18:37 - 05:57

Total Clouds (% Sky Obscured)

85
100
85
74
61
71
83
91
74
57
40
49
49
49
43
33
23
16
9
3
19
42
67
47

Low Clouds (% Sky Obscured)

40
46
48
50
57
61
73
77
54
30
5
7
11
20
23
24
23
15
8
0
4
2
1
1

Medium Clouds (% Sky Obscured)

85
98
85
74
61
61
53
49
41
37
36
31
20
20
18
11
4
4
4
3
19
40
62
42

High Clouds (% Sky Obscured)

4
6
4
3
2
1
1
0
0
0
0
0
0
1
1
2
2
2
1
1
1
1
1
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

76
80
78
75
70
66
67
67
54
48
39
35
38
30
33
36
32
31
31
11
14
12
0
0

Precipitation Amount (mm)

0.4
0.5
0.5
0.5
0.4
0.3
0.4
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
7
6
7
7
8
10
11
12
11
9
9
7
6
5
4
3
3
3
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
69
72
68
65
61
59
57
56
58
60
64
67
69
73
75
79
82
81
79
79
80
80
82

Pressure (mb)

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

Ozone (du)

372
374
375
376
376
377
376
376
375
376
378
379
381
383
385
391
396
402
404
406
408
410
411
413

Sunday 11

Waning Crescent 45%

02:04

11:35

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

Sun - Rise: 07:36, Set: 16:59, Transit: 12:18. Moon - Rise: 02:04, Set: 11:35. Civil Dark: 17:30 - 07:05. Nautical Dark: 18:05 - 06:30. Astro Dark: 18:38 - 05:57

Total Clouds (% Sky Obscured)

25
3
2
1
0
0
0
0
0
0
0
4
8
12
18
22
33
42
51
60

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

23
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
21
32
37
44
51

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
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
6
8
7

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
0
-0

Relative Humidity (%)

82
82
82
77
72
67
58
51
44
44
44
44
48
52
56
58
59
61
62
59

Pressure (mb)

1011
1012
1012
1013
1014
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019

Ozone (du)

412
412
411
403
395
387
380
374
368
365
361
358
353
348
343
342
341
340
339
339

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

Generated: 05/01/26 04:33:22. Forecast: 05/01/26 to 11/01/26. Timezone: UTC+1.00