Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 97%

19:36

04:25

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

Sun - Rise: N/A, Set: 20:33, Transit: 13:16. Moon - Rise: 19:36, Set: 04:25. Civil Dark: 21:05 - 05:28. Nautical Dark: 21:45 - 04:49. Astro Dark: 22:30 - 04:04

Total Clouds (% Sky Obscured)

9
17
19
30
23
29
31
33
14
12
12
7
6
8
0
0
0
19
18
4
3
0
0
0

Low Clouds (% Sky Obscured)

9
11
8
8
4
5
5
8
4
4
4
3
2
3
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
14
8
0
0
0
0
0
0
0
0
0
19
18
4
3
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
1
1
2
2
1
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
5
6
8
9
9
9
9
9
9
9
8
7
6
5
3
2
1
1
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

29
29
29
29
30
31
31
32
32
32
32
32
32
32
31
30
30
30
30
30
29
29
29
29

Dew Point (°C)

21
21
20
20
19
18
18
18
18
17
17
17
16
16
17
18
18
19
19
19
19
19
19
19

Relative Humidity (%)

82
79
71
65
56
51
49
47
45
43
45
44
42
44
49
57
61
63
66
69
71
72
73
71

Pressure (mb)

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

Ozone (du)

346
345
344
341
339
335
332
329
327
325
323
321
319
318
317
317
317
317
317
316
316
314
315
315

Tuesday 28

Waxing Gibbous 100%

20:13

05:30

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

Sun - Rise: 06:00, Set: 20:32, Transit: 13:16. Moon - Rise: 20:13, Set: 05:30. Civil Dark: 21:04 - 05:29. Nautical Dark: 21:44 - 04:50. Astro Dark: 22:28 - 04:06

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
31
0
0
0
7
14
15
23
22
19
18
10
9
9
7
7
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
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
23
0
0
0
5
11
10
12
13
17
13
8
9
9
7
7
2

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
3
2
3
6
9
11
11
10
9
8
6
3
2
2
3
2
3
3
3
3

Chance of Frost

Temperature (°C)

24
25
26
28
30
33
34
35
35
34
34
33
33
32
31
29
29
28
28
28
27
27
27
26

Feels Like (°C)

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

Dew Point (°C)

18
17
16
16
15
15
15
15
16
17
17
17
17
17
17
17
16
16
16
15
15
15
15
15

Relative Humidity (%)

70
64
54
45
39
34
31
31
32
34
37
38
38
40
42
46
46
47
46
45
46
47
47
49

Pressure (mb)

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

Ozone (du)

317
318
317
316
315
316
317
316
315
315
315
314
313
313
313
314
314
313
312
312
310
310
310
311

Wednesday 29

Full Moon 100%

20:43

No Set

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 Good
22 OK
23 OK
00 OK
01 OK
02 OK
03 Good
04 Good
05 Good

Sun - Rise: 06:01, Set: 20:31, Transit: 13:16. Moon - Rise: 20:43, Set: No Set. Civil Dark: 21:03 - 05:30. Nautical Dark: 21:42 - 04:51. Astro Dark: 22:27 - 04:07

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
21
27
30
23
22
18
15
13

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
18
21
27
30
23
22
18
15
12

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
1
2
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
2
2
6
9
11
11
11
10
8
7
5
3
2
2
2
2
3
3
3
3

Chance of Frost

Temperature (°C)

26
27
29
31
33
35
36
36
36
35
35
34
33
32
31
30
29
29
29
28
28
28
27
27

Feels Like (°C)

29
30
32
34
36
38
38
37
36
36
37
36
35
35
34
33
33
33
32
32
31
31
30
29

Dew Point (°C)

15
15
16
16
15
15
15
16
16
17
17
18
18
18
17
17
17
17
17
17
16
16
16
15

Relative Humidity (%)

51
50
44
39
34
31
29
29
31
33
34
38
41
42
43
45
46
49
50
51
49
48
49
50

Pressure (mb)

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

Ozone (du)

311
312
312
312
312
311
311
312
314
314
315
314
314
314
314
314
316
317
316
315
313
312
310
309

Thursday 30

Waning Gibbous 98%

21:08

06:36

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 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 06:02, Set: 20:30, Transit: 13:16. Moon - Rise: 21:08, Set: 06:36. Civil Dark: 21:02 - 05:31. Nautical Dark: 21:41 - 04:52. Astro Dark: 22:25 - 04:09

Total Clouds (% Sky Obscured)

12
10
11
10
13
11
12
8
6
4
0
10
20
28
21
12
2
2
1
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)

7
3
3
3
3
3
2
2
2
1
0
3
5
13
12
7
2
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
1
1
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
1
1
0
2
1
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
5
5
5
4
6
9
12
12
12
12
9
5
4
4
3
2
2
2
2
2
2
3

Chance of Frost

Temperature (°C)

27
28
29
31
34
36
37
37
37
37
36
36
35
33
32
30
29
28
27
27
26
26
26
26

Feels Like (°C)

30
30
31
33
35
37
38
37
36
36
35
35
35
36
34
33
33
32
32
31
32
32
31
30

Dew Point (°C)

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

Relative Humidity (%)

50
49
43
37
31
26
23
23
25
25
25
26
28
30
39
53
60
59
61
68
71
72
69
63

Pressure (mb)

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

Ozone (du)

308
306
305
304
304
304
304
306
307
309
310
311
312
310
305
301
300
300
300
299
298
298
298
299

Friday 31

Waning Gibbous 94%

21:30

07:42

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 Bad
20 OK
21 OK
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 06:03, Set: 20:29, Transit: 13:16. Moon - Rise: 21:30, Set: 07:42. Civil Dark: 21:00 - 05:33. Nautical Dark: 21:40 - 04:54. Astro Dark: 22:23 - 04:10

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
19
36
13
16
16
11
6
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
19
36
13
16
16
11
6
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
2
1
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
4
3
3
4
6
8
10
11
11
12
11
9
7
4
4
3
2
2
1
1
2
3

Chance of Frost

Temperature (°C)

26
27
28
31
33
35
36
37
37
36
36
36
34
33
31
31
29
28
28
27
27
27
26
26

Feels Like (°C)

29
29
30
33
36
37
38
37
37
37
37
36
35
33
32
33
32
31
31
31
31
30
31
32

Dew Point (°C)

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

Relative Humidity (%)

53
46
38
33
28
25
24
25
27
29
29
27
28
32
40
45
48
53
56
59
63
62
62
62

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1013
1013
1013
1013
1012
1012
1012
1012

Ozone (du)

299
300
301
303
303
303
303
302
301
301
300
299
298
298
299
299
299
300
300
301
301
301
301
301

Saturday 1

Waning Gibbous 88%

21:51

08:48

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 Bad
21 Bad
22 OK
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 06:04, Set: 20:28, Transit: 13:16. Moon - Rise: 21:51, Set: 08:48. Civil Dark: 20:59 - 05:34. Nautical Dark: 21:38 - 04:55. Astro Dark: 22:22 - 04:12

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
9
19
28
30
32
28
17
8
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
9
19
28
30
32
28
17
8
1
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
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
3
2
0
2
1
0
0
0
0
0
0
1
2
2
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
1
1
2
5
8
11
10
10
11
8
6
3
3
3
2
2
3
5
4
4
3

Chance of Frost

Temperature (°C)

26
27
28
30
33
35
36
36
37
36
36
35
34
33
32
31
29
28
28
27
26
26
25
25

Feels Like (°C)

31
31
31
34
35
35
36
37
38
39
38
37
37
37
37
32
31
31
31
31
30
29
29
29

Dew Point (°C)

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

Relative Humidity (%)

54
48
43
36
31
26
27
28
29
30
32
33
34
36
37
41
46
50
54
57
61
64
66
69

Pressure (mb)

1012
1012
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1011

Ozone (du)

301
301
301
301
302
302
302
301
301
301
301
300
300
300
300
300
300
300
300
299
299
299
299
299

Sunday 2

Waning Gibbous 81%

22:11

09:54

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
00 Good
01 Good

Sun - Rise: 06:05, Set: 20:27, Transit: 13:16. Moon - Rise: 22:11, Set: 09:54. Civil Dark: 20:58 - 05:35. Nautical Dark: 21:37 - 04:56. Astro Dark: 22:20 - 04:14

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
7
14
21
16
12
6
4
2
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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
7
14
21
16
12
6
4
2
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
5
7
4
2
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
26
27
29
32
35
35
36
36
36
35
34
33
32
31
30
29
28
27
27

Feels Like (°C)

29
29
28
33
35
36
37
38
40
39
37
37
36
36
36
31
32
32
32
32

Dew Point (°C)

19
18
18
18
18
18
19
19
20
20
19
19
19
19
20
19
19
19
19
20

Relative Humidity (%)

66
62
59
50
43
37
37
38
38
39
39
40
42
47
51
52
54
57
60
64

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013

Ozone (du)

299
300
301
301
302
302
302
302
302
304
305
306
306
306
306
307
308
309
308
308

Forecast for Testaccio, Province of Rome, Italy (41.86,12.48)

Generated: 27/07/26 06:10:37. Forecast: 27/07/26 to 02/08/26. Timezone: UTC+2.00