Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

Waning Crescent 6%

05:16

17:42

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 OK
23 OK
00 OK

Sun - Rise: 06:28, Set: 19:51, Transit: 13:10. Moon - Rise: 05:16, Set: 17:42. Civil Dark: 20:20 - 06:00. Nautical Dark: 20:54 - 05:25. Astro Dark: 21:31 - 04:48

Total Clouds (% Sky Obscured)

51
59
71
100
100
100
100
100
100
99
81
68
89
68
90
100
94
99
100
100
68
15
30
29

Low Clouds (% Sky Obscured)

3
0
11
20
1
3
9
13
21
23
47
33
30
25
56
68
62
53
51
3
11
0
0
2

Medium Clouds (% Sky Obscured)

51
59
64
99
100
100
79
59
65
98
57
61
52
28
5
3
0
53
100
57
37
11
3
0

High Clouds (% Sky Obscured)

51
59
71
100
100
100
100
100
100
0
0
0
89
68
90
100
94
99
100
78
9
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
5
1
9
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

1
8
21
27
12
21
54
65
89
64
22
13
17
54
53
46
67
87
95
16
6
3
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.2
1
0.2
0
0
0
0.3
0
0
0.5
0.7
0.9
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
14
14
14
14
14
15
16
18
19
20
21
23
23
23
20
19
18
17
16
16
16
16

Feels Like (°C)

13
13
13
13
13
13
13
14
15
16
18
20
20
21
23
21
18
19
19
18
16
17
19
16

Dew Point (°C)

13
12
13
12
12
12
12
12
10
10
10
10
9
9
9
11
14
16
17
16
15
15
14
14

Relative Humidity (%)

93
93
93
92
89
86
87
82
68
60
56
52
45
41
40
47
69
84
92
92
92
90
87
92

Pressure (mb)

1012
1011
1011
1011
1012
1011
1012
1012
1012
1013
1013
1013
1013
1012
1012
1012
1012
1012
1013
1014
1014
1014
1014
1015

Ozone (du)

387
385
385
384
382
384
385
385
386
387
386
387
388
389
388
387
385
381
373
381
382
383
379
377

Thursday 16

Waning Crescent 2%

05:39

18:57

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

Sun - Rise: 06:27, Set: 19:52, Transit: 13:09. Moon - Rise: 05:39, Set: 18:57. Civil Dark: 20:21 - 05:58. Nautical Dark: 20:56 - 05:23. Astro Dark: 21:33 - 04:46

Total Clouds (% Sky Obscured)

25
38
51
40
30
27
81
31
24
43
35
24
51
44
59
81
96
96
98
100
61
27
27
27

Low Clouds (% Sky Obscured)

3
10
16
17
0
0
0
0
0
0
0
7
17
21
33
18
35
32
45
50
55
6
1
0

Medium Clouds (% Sky Obscured)

0
0
6
10
10
5
10
16
13
27
9
3
31
26
24
27
25
19
26
25
22
19
20
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
81
15
0
0
0
0
0
0
31
79
96
96
98
100
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
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
1
5

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
2
2
1
0
0
0
0
0
0
4
18
27
28
35
26
25
15
6
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
3
3
1
2
2
2
2
3
4
6
8
9
8
7
6
4
3
3
3
2
2

Chance of Frost

Temperature (°C)

15
15
15
14
14
14
14
15
17
19
20
22
22
22
22
21
21
20
19
18
17
17
16
16

Feels Like (°C)

15
15
15
15
15
16
14
17
19
21
20
21
21
22
21
20
20
19
19
18
17
16
18
18

Dew Point (°C)

14
14
13
13
12
12
12
13
13
14
13
14
14
14
13
13
13
13
14
14
14
13
13
13

Relative Humidity (%)

92
92
90
89
90
90
90
86
79
72
64
61
59
59
58
61
62
66
71
77
78
77
83
85

Pressure (mb)

1015
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

375
373
372
372
373
374
377
380
379
378
376
375
373
372
369
367
366
366
367
367
369
368
362
358

Friday 17

New Moon 0%

06:03

20:15

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

Sun - Rise: 06:25, Set: 19:53, Transit: 13:09. Moon - Rise: 06:03, Set: 20:15. Civil Dark: 20:22 - 05:56. Nautical Dark: 20:57 - 05:21. Astro Dark: 21:34 - 04:44

Total Clouds (% Sky Obscured)

52
59
99
100
100
20
0
1
1
0
0
0
0
51
0
0
19
13
17
25
35
43
64
61

Low Clouds (% Sky Obscured)

0
1
0
0
8
12
0
0
0
0
0
0
0
10
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

15
12
3
0
0
0
0
0
0
0
0
0
0
30
0
0
15
10
13
20
20
25
26
19

High Clouds (% Sky Obscured)

0
41
99
100
100
2
0
0
0
0
0
0
0
0
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 (%)

9
9
1
9
26
9
11
17
1
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
1
0
0
0
0
0
0
0
0
0
3
4
3
6
5
1
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)

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

Chance of Frost

Temperature (°C)

15
15
14
14
14
14
14
16
18
19
21
23
24
24
24
23
22
21
20
18
18
17
17
17

Feels Like (°C)

17
15
15
14
14
13
15
17
19
20
23
24
25
25
24
23
22
22
21
20
20
19
19
17

Dew Point (°C)

13
13
12
13
13
12
13
13
13
13
13
13
13
13
14
14
13
13
14
14
14
13
13
12

Relative Humidity (%)

85
86
87
89
89
89
90
83
73
64
58
54
50
50
51
55
57
61
69
77
78
77
76
75

Pressure (mb)

1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

357
356
351
346
348
351
354
355
355
353
350
349
350
350
350
348
347
347
349
350
350
351
350
351

Saturday 18

Waxing Crescent 2%

06:32

21:36

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 OK
15 OK
16 Good
17 Good
18 Good
19 Good
20 Good
21 OK
22 OK
23 OK
00 Good

Sun - Rise: 06:24, Set: 19:54, Transit: 13:09. Moon - Rise: 06:32, Set: 21:36. Civil Dark: 20:23 - 05:55. Nautical Dark: 20:58 - 05:19. Astro Dark: 21:36 - 04:42

Total Clouds (% Sky Obscured)

60
70
77
84
90
95
100
100
100
84
55
65
59
37
22
9
9
6
3
13
20
27
20
14

Low Clouds (% Sky Obscured)

0
4
7
10
15
20
25
17
11
6
4
20
17
2
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

15
15
17
19
22
21
21
14
12
14
6
9
7
6
7
6
5
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
21
23
24
50
75
100
100
100
84
55
33
25
17
8
0
3
4
3
11
11
17
13
10

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
1
15
16
2
4
6
9
8
5
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)

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
16
17
19
20
22
23
23
23
23
23
22
21
20
18
17
17
16
16

Feels Like (°C)

16
16
15
16
15
15
15
17
19
21
23
24
24
23
23
23
22
22
21
20
19
19
18
18

Dew Point (°C)

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

Relative Humidity (%)

77
79
81
82
83
83
82
77
70
64
58
56
56
56
55
53
53
56
60
69
71
72
73
74

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

351
351
350
349
349
351
351
350
350
349
348
348
347
345
340
340
341
341
342
340
339
339
338
337

Sunday 19

Waxing Crescent 6%

07:08

22:58

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 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good

Sun - Rise: 06:22, Set: 19:55, Transit: 13:09. Moon - Rise: 07:08, Set: 22:58. Civil Dark: 20:24 - 05:53. Nautical Dark: 21:00 - 05:18. Astro Dark: 21:37 - 04:40

Total Clouds (% Sky Obscured)

21
7
5
6
4
0
0
0
0
0
5
5
4
3
2
1
1
1
1
2
3
4
8
12

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
2
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

High Clouds (% Sky Obscured)

21
7
5
4
0
0
0
0
0
0
5
4
4
2
1
1
0
0
1
1
3
4
3
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
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
1
2
4
7
9
17
16
8
11
11
8
11
9
3
3
2

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)

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

Chance of Frost

Temperature (°C)

16
15
15
15
14
14
14
16
18
20
21
22
22
22
22
21
21
19
18
17
16
16
15
15

Feels Like (°C)

17
17
17
16
16
15
16
18
19
21
22
22
22
22
21
21
21
21
21
21
16
17
18
18

Dew Point (°C)

11
11
11
11
11
11
11
11
12
12
13
13
13
13
13
13
13
13
13
13
13
12
12
12

Relative Humidity (%)

74
75
76
79
79
80
80
74
67
62
59
56
55
56
58
60
61
66
71
77
78
79
80
82

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014

Ozone (du)

339
340
340
341
343
342
341
342
342
344
347
349
352
356
357
358
360
361
362
363
367
370
373
378

Monday 20

Waxing Crescent 14%

07:53

00:14

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

Sun - Rise: 06:21, Set: 19:56, Transit: 13:08. Moon - Rise: 07:53, Set: 00:14. Civil Dark: 20:25 - 05:51. Nautical Dark: 21:01 - 05:16. Astro Dark: 21:39 - 04:38

Total Clouds (% Sky Obscured)

16
15
14
17
16
12
7
10
11
14
16
19
23
19
16
12
13
14
15
16
20
16
18
20

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
2
6
10
13
16
19
17
14
12
13
14
15
16
20
16
18
20

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

0
0
0
0
1
2
3
4
4
5
5
5
5
4
2
1
1
1
1
1
1
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 (%)

0
0
0
0
0
0
0
0
0
0
8
9
4
12
13
5
10
11
7
9
8
1
4
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)

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

Chance of Frost

Temperature (°C)

15
14
14
13
13
13
14
14
16
18
20
20
21
21
21
20
20
19
18
16
16
15
15
15

Feels Like (°C)

18
17
16
16
15
15
15
15
16
17
17
18
19
19
23
21
20
20
20
19
15
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

84
84
86
87
89
84
82
78
68
60
54
50
48
44
46
48
49
55
63
71
74
78
83
84

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013

Ozone (du)

382
386
383
380
377
376
375
374
373
372
371
370
369
369
369
369
369
369
368
367
368
368
369
368

Tuesday 21

Waxing Crescent 23%

08:51

No Set

Sun - Rise: 06:19, Set: 19:57, Transit: 13:08. Moon - Rise: 08:51, Set: No Set. Civil Dark: 20:27 - 05:50. Nautical Dark: 21:02 - 05:14. Astro Dark: 21:40 - 04:36

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: 15/04/26 01:30:11. Forecast: 15/04/26 to 21/04/26. Timezone: UTC+2.00