Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 30

Waning Gibbous 96%

20:38

08:52

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 Bad
17 Bad
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good

Sun - Rise: 06:34, Set: 19:46, Transit: 13:10. Moon - Rise: 20:38, Set: 08:52. Civil Dark: 20:15 - 06:05. Nautical Dark: 20:50 - 05:31. Astro Dark: 21:26 - 04:55

Total Clouds (% Sky Obscured)

4
5
7
12
6
7
7
1
0
0
0
0
0
4
5
36
77
5
5
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)

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

High Clouds (% Sky Obscured)

4
5
7
6
2
4
1
0
0
0
0
0
0
2
2
18
36
2
2
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
1
2
1
2
3
2
1
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
3
3
2
2
2
2
2
2
3
3
5
7
10
11
11
11
10
9
7
5
4
3
4

Chance of Frost

Temperature (°C)

26
26
26
26
26
25
25
27
29
31
32
33
34
34
34
33
32
31
30
28
27
27
27
26

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
59
56
55
54
54
51
46
44
43
40
38
39
40
43
46
49
53
58
62
61
61
61
62

Pressure (mb)

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

Ozone (du)

295
296
296
296
296
298
299
299
301
303
302
302
301
302
302
300
300
300
299
300
301
302
302
302

Monday 31

Waning Gibbous 91%

21:01

10:01

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

Sun - Rise: 06:35, Set: 19:45, Transit: 13:10. Moon - Rise: 21:01, Set: 10:01. Civil Dark: 20:13 - 06:06. Nautical Dark: 20:48 - 05:32. Astro Dark: 21:24 - 04:56

Total Clouds (% Sky Obscured)

0
5
8
7
6
14
8
7
6
0
5
4
0
0
0
0
0
0
0
0
2
5
5
6

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
4
6
4
3
7
4
3
5
0
3
3
0
0
0
0
0
0
0
0
2
3
3
3

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
2
2
2
2
2
2
3
4
5
7
9
11
13
14
14
13
11
9
6
4
4
4

Chance of Frost

Temperature (°C)

25
25
25
25
24
24
23
25
27
29
31
33
34
34
33
33
32
31
29
28
27
27
26
26

Feels Like (°C)

29
29
29
29
29
29
28
29
30
32
33
34
34
33
33
32
31
31
30
29
29
29
28
28

Dew Point (°C)

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

Relative Humidity (%)

63
66
67
69
71
72
71
63
54
47
38
31
29
30
32
35
36
39
44
51
52
53
57
59

Pressure (mb)

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

Ozone (du)

303
299
297
296
294
294
293
292
293
293
294
297
298
298
296
295
295
294
294
294
296
296
296
296

Tuesday 1

Waning Gibbous 84%

21:28

11:14

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

Sun - Rise: 06:36, Set: 19:43, Transit: 13:09. Moon - Rise: 21:28, Set: 11:14. Civil Dark: 20:12 - 06:07. Nautical Dark: 20:46 - 05:33. Astro Dark: 21:22 - 04:57

Total Clouds (% Sky Obscured)

9
5
4
5
5
0
4
0
0
0
0
0
0
0
0
0
0
1
6
7
8
10
9
8

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)

9
4
3
2
2
0
2
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
3
3
3
3
4
4
3
4
4
5
5
6
9
10
10
9
9
8
5
3
2
2
2

Chance of Frost

Temperature (°C)

25
25
25
24
24
23
23
25
27
29
32
33
34
34
34
33
32
31
29
28
27
27
27
26

Feels Like (°C)

28
26
26
26
25
24
25
26
28
30
32
34
35
34
33
32
31
31
30
29
30
30
29
29

Dew Point (°C)

16
14
13
11
11
11
11
10
10
10
10
11
11
11
12
12
12
13
13
14
14
14
14
14

Relative Humidity (%)

56
50
47
44
43
44
45
39
34
29
26
25
23
24
26
27
29
32
36
42
44
44
46
48

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1017
1017
1018
1018

Ozone (du)

296
296
297
297
298
298
298
298
298
298
298
299
301
301
300
300
299
300
300
298
298
300
301
303

Wednesday 2

Waning Gibbous 74%

22:01

12:29

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

Sun - Rise: 06:37, Set: 19:41, Transit: 13:09. Moon - Rise: 22:01, Set: 12:29. Civil Dark: 20:10 - 06:08. Nautical Dark: 20:44 - 05:34. Astro Dark: 21:20 - 04:59

Total Clouds (% Sky Obscured)

7
10
12
13
8
8
5
1
1
1
1
0
0
5
76
81
38
10
18
14
35
19
9
9

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
5
0
2
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
1
3
4
1
1
1
1
0
0
3
51
61
35
10
18
14
35
18
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
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)

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

Chance of Frost

Temperature (°C)

25
25
25
24
24
24
24
24
26
28
31
32
33
33
33
32
32
30
29
28
27
27
26
26

Feels Like (°C)

28
27
27
26
26
26
26
27
29
30
32
33
33
33
33
31
31
31
31
30
30
29
28
28

Dew Point (°C)

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

Relative Humidity (%)

47
44
42
42
43
43
43
39
36
32
29
26
25
28
31
34
41
45
51
58
54
51
51
49

Pressure (mb)

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

Ozone (du)

302
302
303
305
306
306
306
308
310
311
313
311
309
310
311
310
320
321
324
327
329
327
326
322

Thursday 3

Waning Gibbous 63%

22:42

13:45

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

Sun - Rise: 06:38, Set: 19:40, Transit: 13:09. Moon - Rise: 22:42, Set: 13:45. Civil Dark: 20:08 - 06:09. Nautical Dark: 20:42 - 05:35. Astro Dark: 21:18 - 05:00

Total Clouds (% Sky Obscured)

4
0
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
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)

3
0
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
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
2
2
2
2
2
2
2
3
3
4
5
6
8
9
9
10
8
6
4
3
2
3
3

Chance of Frost

Temperature (°C)

25
25
24
24
23
23
23
23
26
28
30
31
33
34
33
32
32
31
30
28
28
27
27
26

Feels Like (°C)

28
28
27
27
27
26
26
26
29
31
33
33
34
34
34
33
33
33
33
33
28
29
30
30

Dew Point (°C)

14
13
13
13
13
13
13
12
13
13
14
13
14
15
14
14
14
15
16
17
17
17
17
17

Relative Humidity (%)

48
48
50
50
53
55
55
49
45
40
36
33
32
32
32
33
34
39
43
48
51
54
55
58

Pressure (mb)

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

Ozone (du)

319
315
313
309
307
306
303
303
302
301
301
302
301
300
299
299
298
297
297
296
296
296
296
296

Friday 4

Third Quarter 52%

23:35

14:57

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

Sun - Rise: 06:39, Set: 19:38, Transit: 13:08. Moon - Rise: 23:35, Set: 14:57. Civil Dark: 20:06 - 06:11. Nautical Dark: 20:40 - 05:37. Astro Dark: 21:16 - 05:01

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
39
59
54
52
47
39
33

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
20
39
59
54
48
3
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
4
4
4
3
3
2
2
2
2
2
4
7
9
9
9
9
7
5
3
2
2
3
2

Chance of Frost

Temperature (°C)

25
25
24
24
23
24
24
24
26
29
31
32
33
33
33
32
31
30
29
27
27
26
25
25

Feels Like (°C)

30
30
27
27
27
26
26
25
29
31
33
33
35
35
37
35
33
33
32
32
27
28
28
28

Dew Point (°C)

17
17
17
17
17
17
17
16
16
17
17
17
17
17
18
18
19
19
20
20
20
20
19
19

Relative Humidity (%)

60
61
62
64
66
64
62
59
54
49
44
42
39
37
40
43
46
52
58
65
66
67
68
69

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

295
295
295
295
295
294
294
294
294
294
295
296
296
297
298
299
300
299
299
298
298
297
297
296

Saturday 5

Waning Crescent 40%

00:40

16:02

Sun - Rise: 06:40, Set: 19:36, Transit: 13:08. Moon - Rise: 00:40, Set: 16:02. Civil Dark: 20:05 - 06:12. Nautical Dark: 20:38 - 05:38. Astro Dark: 21:14 - 05:03

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: 30/08/26 01:09:09. Forecast: 30/08/26 to 05/09/26. Timezone: UTC+2.00