Clear Outside v1.0 - International Weather Forecasts For Astronomers

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 OK
23 OK
00 Bad
01 Bad

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
30
47
55
74

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
17
25
33
47

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)

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

Chance of Frost

Temperature (°C)

12
11
11
11
10
11
13
16
18
20
22
22
22
22
22
21
20
19
17
15
15
14
14
14

Feels Like (°C)

12
12
11
11
10
11
13
16
18
20
21
20
20
20
20
20
19
19
17
17
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

63
59
59
64
67
67
59
48
40
34
32
33
34
33
35
38
43
50
62
68
70
73
75
78

Pressure (mb)

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

Ozone (du)

382
380
375
369
364
361
361
362
363
363
363
365
364
364
365
365
365
365
367
370
370
374
377
378

Monday 27

Waxing Gibbous 86%

15:58

04:09

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

Sun - Rise: 06:11, 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)

80
75
80
83
83
99
95
100
100
100
97
84
13
21
29
8
17
13
2
0
0
0
0
0

Low Clouds (% Sky Obscured)

45
45
50
54
48
44
36
16
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
22
3
2
4
2
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
9
18
56
77
100
100
100
97
84
12
5
11
8
3
5
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
3
3
3
3
2
1
2
4
6
7
8
9
9
8
7
6
4
2
1
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
8
8
7
7
6
5
6
6
6
7
7
7
7
7
8
9
10
11
11
10
10
9

Relative Humidity (%)

77
77
76
75
73
69
60
52
45
41
38
37
37
37
38
41
45
53
65
73
75
74
75
75

Pressure (mb)

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

Ozone (du)

380
383
384
384
385
385
384
383
384
384
384
386
384
384
384
383
378
374
371
366
365
363
360
360

Tuesday 28

Waxing Gibbous 92%

17:04

04:29

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: 06:09, 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)

0
0
7
8
5
2
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
1
0

Low Clouds (% Sky Obscured)

0
0
3
4
3
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
72
71
71
67
57
47
39
34
33
33
33
34
35
37
40
46
56
59
60
60
61
61

Pressure (mb)

1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

359
358
358
358
358
360
360
360
361
360
359
360
358
355
353
352
351
350
349
348
349
349
347
347

Wednesday 29

Waxing Gibbous 97%

18:08

04:48

02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
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
00 Bad
01 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)

1
3
4
7
11
15
25
35
45
44
46
49
55
57
61
64
54
58
87
90
89
99
98
97

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
1
2
3
3
4
7
13
17
11
9
6
8
14
18
25
40
53
49
52
44
50
46
40

High Clouds (% Sky Obscured)

0
0
0
4
8
11
20
29
36
38
33
33
35
38
36
30
15
11
68
78
83
95
90
85

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
7
10
2
4
2
0
2
3
1

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

Chance of Frost

Temperature (°C)

13
12
12
11
11
12
14
17
20
22
22
23
24
23
23
22
22
20
18
17
17
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
60
60
62
62
59
49
38
31
29
29
28
30
31
33
33
34
42
49
49
49
49
50
52

Pressure (mb)

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

Ozone (du)

346
345
344
345
345
344
344
346
346
344
344
346
347
348
348
348
346
344
344
344
342
341
342
341

Thursday 30

Waxing Gibbous 99%

19:13

05:09

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

98
98
99
94
88
83
69
50
41
32
30
28
35
40
47
39
30
24
23
19
18
18
20
22

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
2
2
3
2
2
3
2
8
13
20
21
19
18
18
20
22

Medium Clouds (% Sky Obscured)

39
38
42
49
88
83
65
33
22
10
13
11
14
16
17
15
13
11
7
5
2
2
1
0

High Clouds (% Sky Obscured)

89
94
97
91
82
59
13
5
7
1
0
2
3
2
3
0
1
1
2
4
5
7
9
12

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
5
19
20
15
13
10
2
4
4
1
19
19
6
24
26
19
15
7
0
1
2
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)

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

Chance of Frost

Temperature (°C)

16
15
15
15
15
16
17
20
22
24
25
25
25
25
24
24
22
21
20
19
18
17
17
17

Feels Like (°C)

13
14
13
13
13
14
15
18
22
25
25
24
24
24
23
23
23
23
23
18
18
19
18
19

Dew Point (°C)

6
7
7
7
7
7
7
6
6
6
6
7
8
8
8
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

54
55
57
57
57
55
49
41
35
30
29
31
33
34
35
36
39
42
45
48
52
55
56
58

Pressure (mb)

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

Ozone (du)

341
344
347
348
345
343
344
344
345
346
344
343
345
345
344
344
343
342
341
341
341
341
341
340

Friday 1

Full Moon 100%

20:18

05:32

02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
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

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)

24
26
29
39
46
46
50
64
70
75
80
80
80
80
80
80
80
80
69
55
54
64
74
90

Low Clouds (% Sky Obscured)

14
10
8
6
3
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
23
44
66
67
68
77
60
41
27
19
12
4

High Clouds (% Sky Obscured)

15
18
21
39
46
46
50
64
70
75
80
80
80
80
80
80
80
80
69
55
53
64
74
90

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 (%)

3
2
2
4
2
0
0
0
0
2
2
0
4
5
2
9
4
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
9
9
9
9
9
9
9
8
8
9
9
10
10
10
10
10
10
10
10
10
10
9
9

Relative Humidity (%)

59
63
66
70
68
66
64
56
49
43
43
43
43
46
48
50
54
58
61
63
64
66
66
67

Pressure (mb)

1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021

Ozone (du)

340
340
340
339
340
340
340
342
343
345
345
345
346
346
346
346
346
345
345
346
346
347
347
347

Saturday 2

Waning Gibbous 98%

21:23

05:58

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)

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: 26/04/26 02:34:09. Forecast: 26/04/26 to 02/05/26. Timezone: UTC+2.00