Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 9

Waning Crescent 16%

01:44

18:11

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

Sun - Rise: 06:12, Set: 20:18, Transit: 13:15. Moon - Rise: 01:44, Set: 18:11. Civil Dark: 20:49 - 05:42. Nautical Dark: 21:26 - 05:04. Astro Dark: 22:07 - 04:23

Total 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

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

Chance of Frost

Temperature (°C)

26
26
26
26
26
26
26
26
28
30
32
34
35
35
35
34
34
34
32
31
30
29
29
28

Feels Like (°C)

31
31
31
32
33
32
31
30
31
33
35
37
37
36
36
35
35
35
35
34
34
34
33
32

Dew Point (°C)

21
21
22
22
22
22
21
19
19
18
18
17
17
18
19
19
19
19
19
19
19
19
19
20

Relative Humidity (%)

70
72
76
77
77
77
73
64
57
50
43
37
34
36
38
40
40
42
45
48
51
54
54
59

Pressure (mb)

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

Ozone (du)

306
305
303
302
302
302
302
302
302
303
304
305
304
303
303
303
303
303
303
303
304
304
306
306

Monday 10

Waning Crescent 8%

02:55

19:02

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

Sun - Rise: 06:13, Set: 20:17, Transit: 13:15. Moon - Rise: 02:55, Set: 19:02. Civil Dark: 20:47 - 05:43. Nautical Dark: 21:24 - 05:05. Astro Dark: 22:05 - 04:25

Total 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

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
1
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
2
2
2
2
3
3
3
4
3
4
6
8
11
12
12
12
11
9
6
4
3
3

Chance of Frost

Temperature (°C)

28
27
27
27
27
26
26
26
28
30
32
34
35
36
36
35
35
34
33
32
30
29
28
28

Feels Like (°C)

31
31
31
31
31
31
30
29
31
33
35
36
36
36
36
36
36
35
34
34
33
33
33
33

Dew Point (°C)

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

Relative Humidity (%)

61
60
59
58
58
59
59
56
49
43
35
30
29
30
32
32
34
40
44
47
52
59
61
62

Pressure (mb)

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

Ozone (du)

305
304
304
304
304
305
304
304
304
304
303
304
305
304
303
302
301
301
301
300
299
298
299
299

Tuesday 11

Waning Crescent 3%

04:14

19:42

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

Sun - Rise: 06:14, Set: 20:15, Transit: 13:15. Moon - Rise: 04:14, Set: 19:42. Civil Dark: 20:46 - 05:44. Nautical Dark: 21:23 - 05:07. Astro Dark: 22:03 - 04:26

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
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
3
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
1
3
3
1
2
5
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
3
4
4
4
4
4
5
7
10
11
12
12
10
9
7
5
3
3

Chance of Frost

Temperature (°C)

28
27
27
27
26
26
26
26
28
30
32
34
36
37
37
36
35
35
34
32
31
30
29
29

Feels Like (°C)

32
32
31
30
30
29
28
29
30
32
34
36
36
37
37
36
35
35
34
33
33
33
33
33

Dew Point (°C)

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

Relative Humidity (%)

65
66
67
64
59
56
56
54
45
37
31
27
25
24
26
29
31
34
36
42
51
54
54
56

Pressure (mb)

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

Ozone (du)

300
300
300
300
300
300
299
301
302
301
302
304
304
305
305
305
305
304
303
304
303
303
305
306

Wednesday 12

New Moon 0%

05:35

20:14

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

Sun - Rise: 06:15, Set: 20:14, Transit: 13:15. Moon - Rise: 05:35, Set: 20:14. Civil Dark: 20:44 - 05:45. Nautical Dark: 21:21 - 05:08. Astro Dark: 22:01 - 04:28

Total 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
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)

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
2

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
2
4
1
14
20
5
13
7
3
1
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
3
2
3
4
7
9
9
9
10
9
8
6
4
2
2

Chance of Frost

Temperature (°C)

29
28
28
28
27
27
27
27
28
31
33
35
36
36
37
36
36
36
35
34
32
30
30
29

Feels Like (°C)

32
31
31
30
29
29
28
29
30
32
35
37
37
37
37
36
36
36
34
33
33
33
33
32

Dew Point (°C)

18
17
16
16
15
15
15
15
14
14
13
13
11
12
13
15
15
14
12
11
15
18
17
18

Relative Humidity (%)

53
50
48
47
47
48
48
47
41
35
30
26
22
22
24
27
28
26
24
25
34
46
47
49

Pressure (mb)

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

Ozone (du)

307
307
309
309
308
307
306
306
306
306
306
306
305
306
305
304
304
304
304
304
305
306
306
306

Thursday 13

Waxing Crescent 1%

06:53

20:40

00 Good
01 Good
02 OK
03 OK
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 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Good
23 Good

Sun - Rise: 06:16, Set: 20:13, Transit: 13:14. Moon - Rise: 06:53, Set: 20:40. Civil Dark: 20:43 - 05:46. Nautical Dark: 21:19 - 05:09. Astro Dark: 21:59 - 04:29

Total Clouds (% Sky Obscured)

5
6
25
39
55
60
65
60
63
61
55
56
58
55
40
17
1
14
34
60
43
25
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
1
2
3
3
3
5
5
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

5
6
22
39
55
60
60
55
52
48
45
48
47
55
37
17
1
14
34
60
43
25
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
6
14
2
25
16
4
19
21
5
3
1
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
2
2
2
2
3
2
1
1
3
4
6
8
8
8
8
7
6
4
3
2
2

Chance of Frost

Temperature (°C)

28
28
28
27
27
27
27
28
29
31
33
35
36
36
37
36
36
35
34
33
32
31
30
29

Feels Like (°C)

32
32
33
33
33
33
32
31
32
34
36
37
37
37
37
37
37
37
37
37
37
33
33
34

Dew Point (°C)

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

Relative Humidity (%)

60
66
68
70
68
67
64
55
42
34
28
25
25
27
28
30
31
33
36
39
44
46
50
53

Pressure (mb)

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

Ozone (du)

305
304
304
305
306
307
306
306
307
308
308
308
308
309
310
309
309
309
309
308
308
309
311
312

Friday 14

Waxing Crescent 4%

08:08

21:03

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

Sun - Rise: 06:17, Set: 20:11, Transit: 13:14. Moon - Rise: 08:08, Set: 21:03. Civil Dark: 20:41 - 05:47. Nautical Dark: 21:18 - 05:11. Astro Dark: 21:57 - 04:31

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
2
3
2
1
1
20
40
55
37
18
0
4
10
11
15

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
37
55
30
15
0
4
9
11
15

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
3
1
0
15
19
5
12
6
2
3
2
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)

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

Chance of Frost

Temperature (°C)

29
28
27
27
27
26
27
27
28
30
32
35
35
36
37
37
36
35
34
32
30
30
29
28

Feels Like (°C)

34
33
33
31
31
31
31
31
30
32
33
34
34
36
37
39
37
36
36
36
35
31
31
32

Dew Point (°C)

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

Relative Humidity (%)

55
57
58
57
56
55
50
45
42
35
31
26
27
28
29
30
32
33
37
42
47
50
53
55

Pressure (mb)

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

Ozone (du)

311
311
310
309
308
308
308
309
309
310
311
311
311
311
311
311
312
312
312
313
313
312
312
311

Saturday 15

Waxing Crescent 10%

09:19

21:24

Sun - Rise: 06:18, Set: 20:10, Transit: 13:14. Moon - Rise: 09:19, Set: 21:24. Civil Dark: 20:40 - 05:48. Nautical Dark: 21:16 - 05:12. Astro Dark: 21:56 - 04:32

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: 09/08/26 00:05:51. Forecast: 09/08/26 to 15/08/26. Timezone: UTC+2.00