Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waxing Crescent 34%

09:59

No Set

02 OK
03 OK
04 OK
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 Bad
01 OK

Sun - Rise: 06:18, Set: 19:58, Transit: 13:08. Moon - Rise: 09:59, Set: No Set. Civil Dark: 20:28 - 05:48. Nautical Dark: 21:04 - 05:12. Astro Dark: 21:42 - 04:34

Total Clouds (% Sky Obscured)

27
33
46
48
58
49
47
62
77
99
99
80
93
98
100
100
100
100
100
100
46
28
69
20

Low Clouds (% Sky Obscured)

27
33
31
33
30
22
12
40
63
82
92
56
69
39
23
11
10
13
5
0
28
28
54
20

Medium Clouds (% Sky Obscured)

3
1
20
40
48
30
34
26
33
58
57
50
52
55
89
84
100
100
100
68
46
28
55
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
6
23
4
2
0
7
100
100
100
100
100
23
4
59
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
9
9
8
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
6
25
37
4
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
None
Very Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
3
0
2
7
8
9
17
52
54
75
67
54
48
57
38
24
11
7
7
1
7
12
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
86
86
86
87
86
75
69
63
65
69
61
55
51
46
48
47
50
54
63
78
82
79
76

Pressure (mb)

1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1014
1015
1016
1016
1017
1017

Ozone (du)

352
352
351
350
349
351
353
354
354
354
354
355
357
358
358
359
360
366
373
377
383
390
393
394

Thursday 23

Waxing Crescent 46%

11:13

02:11

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

Sun - Rise: 06:16, Set: 19:59, Transit: 13:08. Moon - Rise: 11:13, Set: 02:11. Civil Dark: 20:29 - 05:47. Nautical Dark: 21:05 - 05:11. Astro Dark: 21:44 - 04:32

Total Clouds (% Sky Obscured)

20
25
20
1
0
0
0
0
0
0
0
22
26
41
28
6
3
1
1
0
2
2
0
1

Low Clouds (% Sky Obscured)

20
25
20
1
0
0
0
0
0
0
0
12
0
2
1
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
18
28
21
4
2
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 (%)

10
10
4
3
1
1
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)

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

Chance of Frost

Temperature (°C)

13
13
12
11
10
10
12
14
16
18
19
20
21
21
21
20
19
18
16
15
14
13
13
12

Feels Like (°C)

12
11
9
8
9
9
10
13
15
18
19
20
20
20
20
19
18
17
16
15
14
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

74
69
66
67
69
68
57
44
34
28
25
27
30
30
32
33
37
43
51
51
54
58
62
64

Pressure (mb)

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

Ozone (du)

395
398
400
401
405
412
418
419
419
419
415
407
403
397
394
389
386
384
381
381
382
382
382
383

Friday 24

First Quarter 57%

12:28

02:51

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 Bad
18 Bad
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good

Sun - Rise: 06:15, Set: 20:01, Transit: 13:08. Moon - Rise: 12:28, Set: 02:51. Civil Dark: 20:30 - 05:45. Nautical Dark: 21:06 - 05:09. Astro Dark: 21:45 - 04:30

Total Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
1
1
1
0
5
0
5
76
77
2
7
2
2
2
2
2

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)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
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
5
0
0
76
77
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
5
4
4
3
4
5
7
10
11
11
11
10
9
6
4
3
3
3
3

Chance of Frost

Temperature (°C)

12
11
11
10
10
10
12
15
17
19
20
21
21
21
20
20
19
17
16
15
14
14
13
13

Feels Like (°C)

12
11
11
10
9
9
12
14
18
19
19
19
19
19
18
18
17
16
15
15
15
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

62
59
56
54
54
53
47
44
39
33
30
29
33
36
38
40
43
50
60
66
69
71
70
70

Pressure (mb)

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

Ozone (du)

384
386
386
381
379
383
383
379
377
378
378
377
377
377
379
378
376
375
373
372
371
369
368
366

Saturday 25

Waxing Gibbous 68%

13:42

03:22

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
00 Good
01 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)

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

Low Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

12
12
11
11
11
11
13
16
18
20
21
22
22
22
22
21
20
19
17
16
15
15
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
73
73
73
70
59
48
40
35
34
32
34
35
39
43
49
57
68
75
79
80
83
83

Pressure (mb)

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

Ozone (du)

363
363
364
364
364
363
362
363
363
364
365
365
367
368
368
370
371
372
374
375
377
380
384
388

Sunday 26

Waxing Gibbous 78%

14:51

03:47

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
00 Good
01 Good

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)

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

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
1
1
1
0
0
0
1
1

High Clouds (% Sky Obscured)

4
5
0
0
0
0
3
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
87
87
87
84
73
62
50
43
40
39
39
41
42
43
48
55
63
66
68
73
71
73

Pressure (mb)

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

Ozone (du)

388
383
376
374
374
375
374
373
372
371
369
367
366
366
365
365
364
363
362
364
365
367
367
367

Monday 27

Waxing Gibbous 86%

15:58

04:09

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

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)

5
7
10
18
26
34
36
35
36
28
20
14
12
9
7
9
10
11
20
26
37
36
34
34

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

1
2
3
12
21
30
28
26
25
20
14
9
8
7
7
8
9
11
20
26
37
36
34
34

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
15
14
14
14
14
13
16
17
18
19
20
22
23
21
21
21
21
21
16
17
16
17
16

Dew Point (°C)

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

Relative Humidity (%)

73
72
72
73
70
67
62
55
47
42
44
46
48
47
45
43
47
52
57
59
61
64
65
67

Pressure (mb)

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

Ozone (du)

367
369
371
373
375
377
379
381
384
387
387
387
387
388
388
388
388
388
388
387
386
386
385
384

Tuesday 28

Waxing Gibbous 92%

17:04

04:29

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)

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: 22/04/26 02:41:21. Forecast: 22/04/26 to 28/04/26. Timezone: UTC+2.00