Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 68%

13:42

03:22

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

Sun - Rise: 06:13, Set: 20:02, Transit: 13:07. Moon - Rise: 13:42, Set: 03:22. Civil Dark: 20:31 - 05:44. Nautical Dark: 21:08 - 05:07. Astro Dark: 21:47 - 04:28

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
0
0
0
0
0
0
0

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
67
68
71
71
72
72
71
63
54
46
40
37
36
35
34
37
41
48
56
65
72
74
74

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018

Ozone (du)

375
374
373
371
372
373
373
374
374
373
371
371
373
376
377
378
375
369
367
370
372
374
376
380

Sunday 26

Waxing Gibbous 78%

14:51

03:47

00 Good
01 Good
02 Good
03 Good
04 OK
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 OK

Sun - Rise: 06:12, Set: 20:03, Transit: 13:07. Moon - Rise: 14:51, Set: 03:47. Civil Dark: 20:33 - 05:42. Nautical Dark: 21:09 - 05:06. Astro Dark: 21:48 - 04:26

Total Clouds (% Sky Obscured)

0
0
0
14
23
3
0
0
0
0
0
0
0
0
0
0
0
0
6
11
0
14
15
25

Low Clouds (% Sky Obscured)

0
0
0
8
14
2
0
0
0
0
0
0
0
0
0
0
0
0
4
7
0
10
9
14

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)

0
0
0
0
0
0
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 (%)

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
4
4
4
4
4
4
4
4
5
6
8
10
10
10
9
8
6
4
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
68
66
67
70
71
72
71
61
49
40
35
32
34
36
35
35
38
43
52
61
66
69
70

Pressure (mb)

1018
1019
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

380
381
383
385
370
363
364
364
362
360
359
359
359
359
359
361
361
362
364
364
363
362
364
370

Monday 27

Waxing Gibbous 86%

15:58

04:09

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

Sun - Rise: 06:11, Set: 20:04, Transit: 13:07. Moon - Rise: 15:58, Set: 04:09. Civil Dark: 20:34 - 05:41. Nautical Dark: 21:10 - 05:04. Astro Dark: 21:50 - 04:24

Total Clouds (% Sky Obscured)

48
52
65
70
76
77
77
74
48
59
46
36
19
9
1
0
0
16
12
74
46
25
0
7

Low Clouds (% Sky Obscured)

28
32
40
40
45
50
50
46
21
21
14
8
0
0
0
0
0
0
0
0
0
0
0
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
39
0
0
0
0
0
4
13
4
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
70
76
17
15
0
0
0
0
0
0
0
0
0
0
2
11
74
46
25
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 (%)

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)

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

Chance of Frost

Temperature (°C)

14
14
13
13
12
12
12
12
14
16
18
20
21
22
22
22
22
21
20
19
17
16
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
72
75
75
73
72
69
59
52
46
40
38
38
39
39
39
42
46
53
65
72
75
75

Pressure (mb)

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

Ozone (du)

372
372
373
375
378
382
383
384
383
383
384
385
384
386
386
387
389
391
389
387
384
383
381
378

Tuesday 28

Waxing Gibbous 92%

17:04

04:29

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

Sun - Rise: 06:09, Set: 20:05, Transit: 13:07. Moon - Rise: 17:04, Set: 04:29. Civil Dark: 20:35 - 05:39. Nautical Dark: 21:12 - 05:02. Astro Dark: 21:52 - 04:22

Total Clouds (% Sky Obscured)

14
20
22
25
28
18
11
4
9
13
17
27
34
45
51
53
55
40
18
0
13
23
31
32

Low Clouds (% Sky Obscured)

9
14
16
17
19
13
6
0
4
8
11
9
4
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
10
21
26
28
38
40
30
18
0
7
15
21
22

High Clouds (% Sky Obscured)

1
2
1
0
0
2
4
4
4
2
0
17
23
30
31
33
30
20
10
0
4
7
9
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
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)

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

Chance of Frost

Temperature (°C)

14
14
13
13
12
12
12
13
14
17
19
20
21
22
22
22
21
20
20
18
17
15
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
76
75
75
75
75
71
61
51
43
37
35
35
35
36
38
40
44
49
59
65
68
66

Pressure (mb)

1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1014
1014
1014

Ozone (du)

375
372
370
368
366
365
364
364
365
366
365
365
363
363
363
362
359
357
355
353
352
351
349
349

Wednesday 29

Waxing Gibbous 97%

18:08

04:48

00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
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 Bad
23 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)

36
40
45
45
40
38
35
33
38
39
40
40
40
43
54
60
69
77
87
99
95
92
89
84

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
5
7
26
39
40
40
27
17
23
25
34
33
31
33
34
35
37
33

Medium Clouds (% Sky Obscured)

19
16
21
28
30
28
21
15
17
14
15
10
9
9
12
12
11
12
13
14
10
11
11
16

High Clouds (% Sky Obscured)

12
15
15
15
20
13
8
0
15
22
30
40
40
43
47
33
11
3
12
35
53
79
86
83

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
2
2
9
11
12
39
49
58
70
76
79
78
74
67
63

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
13
13
13
13
13
14
16
18
20
21
22
23
22
22
21
21
20
19
17
17
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
62
62
61
61
60
59
55
46
35
31
29
27
28
31
31
31
32
35
41
46
46
46
46

Pressure (mb)

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

Ozone (du)

349
349
347
346
346
346
346
346
346
346
345
344
345
345
346
347
347
348
348
347
347
347
348
348

Thursday 30

Waxing Gibbous 98%

19:13

05:09

00 Bad
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

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)

79
74
81
88
93
93
95
97
85
70
57
53
48
46
59
71
84
69
55
40
49
58
66
60

Low Clouds (% Sky Obscured)

30
24
24
28
33
41
48
57
48
40
34
33
32
28
36
46
59
49
38
26
25
26
26
28

Medium Clouds (% Sky Obscured)

22
28
51
75
93
85
70
56
40
25
9
16
23
30
44
58
72
52
32
10
10
12
9
10

High Clouds (% Sky Obscured)

77
70
75
79
84
87
89
92
72
51
31
22
14
5
5
5
5
5
5
5
22
39
57
50

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

Precipitation Probability (%)

52
31
33
29
12
22
25
38
50
55
65
67
65
51
70
73
54
57
52
33
28
32
28
42

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
16
14
13
13
13
12
12
15
16
17
18
19
20
24
22
21
21
22
22
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

47
51
53
54
56
58
56
53
50
43
36
30
31
32
32
32
33
33
38
45
51
53
56
60

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015

Ozone (du)

347
345
344
344
343
342
342
343
343
343
344
344
344
343
343
342
341
340
339
338
338
338
338
337

Friday 1

Full Moon 99%

20:18

05:32

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)

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: 25/04/26 00:25:27. Forecast: 25/04/26 to 01/05/26. Timezone: UTC+2.00