Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 29

Waxing Gibbous 97%

18:08

04:48

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

Sun - Rise: 06:08, Set: 20:06, Transit: 13:07. Moon - Rise: 18:08, Set: 04:48. Civil Dark: 20:36 - 05:38. Nautical Dark: 21:13 - 05:01. Astro Dark: 21:53 - 04:21

Total Clouds (% Sky Obscured)

5
1
1
1
23
45
52
45
40
23
41
45
47
52
52
71
78
89
80
93
100
100
96
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
1
0
11
36
0
0
0
7
1
11

Medium Clouds (% Sky Obscured)

0
0
0
0
16
21
23
31
32
16
28
28
23
37
28
21
24
32
45
62
100
98
88
92

High Clouds (% Sky Obscured)

0
0
0
0
0
3
0
0
0
0
0
11
23
1
23
71
78
89
80
44
100
100
96
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
0
0
0
0
0
0
0
0
4
1
1
2
15
19
34
29
17
20
16
34
36

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

Chance of Frost

Temperature (°C)

13
12
12
12
12
14
18
20
22
23
23
24
23
23
22
22
20
18
17
17
17
16
16
16

Feels Like (°C)

13
13
12
12
12
15
18
19
21
22
21
22
21
20
21
21
21
19
17
18
16
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

57
57
57
59
58
52
43
34
28
27
28
29
28
30
31
33
38
48
55
58
57
55
59
63

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

342
343
344
343
344
345
344
344
345
346
346
346
346
345
345
346
345
344
345
342
341
340
340
338

Thursday 30

Waxing Gibbous 99%

19:13

05:09

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
01 Bad
02 OK

Sun - Rise: 06:06, Set: 20:07, Transit: 13:07. Moon - Rise: 19:13, Set: 05:09. Civil Dark: 20:37 - 05:36. Nautical Dark: 21:14 - 04:59. Astro Dark: 21:55 - 04:19

Total Clouds (% Sky Obscured)

76
69
50
55
91
81
84
80
74
73
96
90
78
73
92
99
87
88
80
72
68
69
53
46

Low Clouds (% Sky Obscured)

2
5
2
4
15
26
48
55
54
48
75
49
51
17
51
61
31
24
25
24
24
29
24
25

Medium Clouds (% Sky Obscured)

76
64
29
23
72
81
84
80
74
73
94
86
77
57
66
30
34
55
50
50
34
23
13
5

High Clouds (% Sky Obscured)

11
0
0
0
82
28
37
0
0
0
0
0
3
4
83
99
87
88
80
72
68
69
42
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
17
9
6
13
4
3
9
7
6
7
15
51
54
58
39
22
3
0
0
1
3
3
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
60
61
62
63
56
47
45
41
38
41
43
44
48
56
59
67
76
77
78
81
80
79
78

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1020

Ozone (du)

337
336
335
335
335
336
337
338
339
340
341
342
343
343
344
347
349
351
355
360
366
370
372
373

Friday 1

Full Moon 100%

20:18

05:32

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

Sun - Rise: 06:05, Set: 20:08, Transit: 13:07. Moon - Rise: 20:18, Set: 05:32. Civil Dark: 20:39 - 05:35. Nautical Dark: 21:16 - 04:57. Astro Dark: 21:56 - 04:17

Total Clouds (% Sky Obscured)

57
65
49
46
33
18
21
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
2

Low Clouds (% Sky Obscured)

29
38
36
31
24
13
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

13
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High 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
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 (%)

7
6
1
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

13
13
12
11
11
13
15
16
18
20
22
23
23
21
20
19
18
16
15
14
13
13
13
12

Feels Like (°C)

13
12
11
10
10
11
13
15
17
20
22
23
21
18
18
18
17
16
16
14
14
14
13
12

Dew Point (°C)

9
8
7
5
4
2
1
0
-0
-1
-2
-1
1
3
4
5
6
7
7
7
7
7
6
5

Relative Humidity (%)

74
72
71
67
60
48
40
33
28
24
21
20
23
31
35
39
46
55
59
62
63
64
63
62

Pressure (mb)

1020
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

374
377
380
382
383
385
388
392
395
397
395
392
389
385
383
385
385
386
387
387
389
391
390
388

Saturday 2

Waning Gibbous 98%

21:23

05:58

03 Good
04 Good
05 Good
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 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 OK

Sun - Rise: 06:04, Set: 20:09, Transit: 13:07. Moon - Rise: 21:23, Set: 05:58. Civil Dark: 20:40 - 05:33. Nautical Dark: 21:17 - 04:56. Astro Dark: 21:58 - 04:15

Total Clouds (% Sky Obscured)

2
2
2
3
2
2
2
0
0
3
5
4
4
4
5
6
6
6
6
6
4
6
5
47

Low Clouds (% Sky Obscured)

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

Medium 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

High Clouds (% Sky Obscured)

1
1
1
1
1
1
1
0
0
3
5
3
3
4
4
4
4
3
5
4
3
6
5
47

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)

4
4
4
4
4
4
3
2
3
5
8
10
11
10
9
8
7
5
3
1
2
2
2
3

Chance of Frost

Temperature (°C)

12
11
11
11
12
14
16
18
19
20
21
21
21
21
20
19
18
17
16
15
14
14
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
59
56
53
49
44
46
47
44
41
40
43
46
47
49
53
57
66
70
73
75
78
79
80

Pressure (mb)

1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1022
1022
1021
1021
1021

Ozone (du)

387
385
381
379
378
377
376
375
375
373
370
369
368
367
367
367
366
366
367
368
369
368
365
362

Sunday 3

Waning Gibbous 95%

22:25

06:29

03 OK
04 OK
05 OK
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

Sun - Rise: 06:02, Set: 20:10, Transit: 13:06. Moon - Rise: 22:25, Set: 06:29. Civil Dark: 20:41 - 05:32. Nautical Dark: 21:19 - 04:54. Astro Dark: 22:00 - 04:13

Total Clouds (% Sky Obscured)

38
47
48
49
100
100
100
100
76
98
97
98
99
100
85
73
60
66
74
78
85
90
94
93

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
3
4
3
1
0
4
8
12
17
21
21
12

Medium Clouds (% Sky Obscured)

1
1
1
1
0
7
10
15
11
52
97
98
98
98
67
36
4
5
5
5
4
3
1
30

High Clouds (% Sky Obscured)

21
28
29
35
100
90
83
74
48
76
84
87
89
95
64
41
35
53
74
78
85
90
94
93

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)

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

Chance of Frost

Temperature (°C)

13
12
12
12
13
14
16
18
20
21
21
21
21
20
20
19
18
17
16
15
15
14
14
13

Feels Like (°C)

13
13
13
13
14
14
16
17
18
19
18
19
18
18
18
18
18
18
14
14
15
14
14
14

Dew Point (°C)

10
10
9
10
10
9
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9

Relative Humidity (%)

81
83
83
84
80
71
64
57
51
48
50
50
50
51
52
55
59
63
65
67
70
70
73
74

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

361
358
358
356
356
357
358
357
357
356
356
356
355
354
353
352
351
350
350
349
349
348
347
347

Monday 4

Waning Gibbous 93%

23:24

07:07

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
01 Bad
02 Bad

Sun - Rise: 06:01, Set: 20:11, Transit: 13:06. Moon - Rise: 23:24, Set: 07:07. Civil Dark: 20:42 - 05:31. Nautical Dark: 21:20 - 04:53. Astro Dark: 22:01 - 04:11

Total Clouds (% Sky Obscured)

93
90
87
85
80
84
91
94
97
99
100
100
100
100
99
97
96
95
93
94
96
97
99
100

Low Clouds (% Sky Obscured)

7
5
3
2
0
9
20
32
51
70
90
87
86
82
75
66
58
62
63
66
71
78
84
90

Medium Clouds (% Sky Obscured)

60
89
87
85
80
84
91
94
97
97
94
77
62
48
60
70
80
85
88
94
95
97
97
97

High Clouds (% Sky Obscured)

93
90
87
85
80
84
91
94
97
99
100
100
100
100
99
97
96
95
93
94
86
78
70
80

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
2
3
2
9
12
12
12
14
19
20
15
1
2
2
2
18
27
34
51

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
12
12
15
15
16
17
17
18
17
17
17
17
16
16
15
16
15
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

72
71
71
69
68
66
64
63
62
63
65
66
69
71
76
73
72
71
72
73
74
78
80
83

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018
1019
1019
1018
1018
1017

Ozone (du)

348
349
351
351
352
353
353
353
353
352
352
351
350
349
347
347
347
346
348
349
351
353
355
357

Tuesday 5

Waning Gibbous 90%

00:16

07:53

Sun - Rise: 06:00, Set: 20:13, Transit: 13:06. Moon - Rise: 00:16, Set: 07:53. Civil Dark: 20:43 - 05:29. Nautical Dark: 21:21 - 04:51. Astro Dark: 22:03 - 04:09

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: 29/04/26 03:49:10. Forecast: 29/04/26 to 05/05/26. Timezone: UTC+2.00