Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 25

Waxing Gibbous 73%

14:57

02:34

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

Sun - Rise: 05:41, Set: 20:33, Transit: 13:07. Moon - Rise: 14:57, Set: 02:34. Civil Dark: 21:05 - 05:08. Nautical Dark: 21:47 - 04:26. Astro Dark: 22:35 - 03:38

Total Clouds (% Sky Obscured)

1
0
0
0
2
3
31
17
19
5
6
28
7
2
2
2
11
2
2
2
1
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
4
2
8
0
0
0
6
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
4
4
3
3
3
4
4
4
3
3
3
6
10
11
10
9
9
7
5
3
3
2
1

Chance of Frost

Temperature (°C)

20
19
19
19
18
18
19
21
24
26
28
29
30
30
29
29
28
26
25
24
22
21
21
20

Feels Like (°C)

22
21
20
20
19
19
19
20
24
27
29
30
28
29
28
28
27
26
25
24
24
24
23
23

Dew Point (°C)

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

Relative Humidity (%)

57
56
58
60
60
57
52
43
37
34
31
29
28
29
32
33
35
37
40
44
51
55
58
59

Pressure (mb)

1025
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1026
1026
1026

Ozone (du)

353
354
353
352
352
352
351
346
343
343
344
343
341
339
339
339
337
338
338
337
336
337
338
339

Tuesday 26

Waxing Gibbous 82%

16:01

02:54

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

Sun - Rise: 05:40, Set: 20:33, Transit: 13:07. Moon - Rise: 16:01, Set: 02:54. Civil Dark: 21:06 - 05:07. Nautical Dark: 21:48 - 04:25. Astro Dark: 22:37 - 03:37

Total Clouds (% Sky Obscured)

0
12
3
2
1
1
2
6
8
3
3
13
11
19
22
40
53
60
64
49
23
4
2
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
39
30
26
35
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
7
2
17
25
32
34
21
11
1
0
0

High Clouds (% Sky Obscured)

0
12
0
0
0
0
0
5
7
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)

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

Chance of Frost

Temperature (°C)

20
19
19
19
19
18
20
22
25
27
29
30
31
31
30
30
29
27
26
24
23
23
22
22

Feels Like (°C)

22
22
20
20
20
19
20
23
27
29
30
30
30
29
29
27
27
25
25
25
24
25
25
24

Dew Point (°C)

11
10
10
10
10
9
9
9
9
10
10
11
11
12
11
11
11
12
14
14
14
14
14
13

Relative Humidity (%)

57
55
54
54
55
55
51
42
37
33
31
29
29
30
31
30
33
39
47
51
54
56
58
57

Pressure (mb)

1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1022
1022
1023
1023
1022
1022

Ozone (du)

338
336
333
331
331
329
329
329
330
330
330
331
330
330
331
328
326
325
325
325
325
323
321
319

Wednesday 27

Waxing Gibbous 89%

17:05

03:14

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

Sun - Rise: 05:39, Set: 20:34, Transit: 13:07. Moon - Rise: 17:05, Set: 03:14. Civil Dark: 21:07 - 05:06. Nautical Dark: 21:49 - 04:24. Astro Dark: 22:38 - 03:35

Total Clouds (% Sky Obscured)

0
1
0
0
0
2
2
2
1
2
2
1
1
1
25
25
10
1
75
70
75
75
67
60

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
5
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
75
70
75
75
67
60

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
0
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)

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

Chance of Frost

Temperature (°C)

21
21
21
20
20
20
21
23
25
27
29
29
30
30
29
29
28
27
26
24
23
22
21
21

Feels Like (°C)

24
23
23
22
22
22
23
25
27
29
30
30
30
30
29
28
27
28
28
26
25
24
23
23

Dew Point (°C)

13
13
13
12
12
11
12
12
12
13
14
14
14
15
15
15
15
15
15
15
15
15
15
16

Relative Humidity (%)

57
58
59
59
58
58
56
49
43
40
39
39
39
40
41
43
45
47
49
56
61
64
69
73

Pressure (mb)

1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1018
1017

Ozone (du)

319
319
318
319
321
323
325
325
324
324
324
323
323
323
322
321
320
320
318
318
318
319
320
320

Thursday 28

Waxing Gibbous 94%

18:10

03:36

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

Sun - Rise: 05:39, Set: 20:35, Transit: 13:07. Moon - Rise: 18:10, Set: 03:36. Civil Dark: 21:08 - 05:06. Nautical Dark: 21:50 - 04:23. Astro Dark: 22:40 - 03:34

Total Clouds (% Sky Obscured)

50
50
50
36
40
40
38
38
34
40
46
52
53
40
17
17
10
7
15
7
14
3
38
11

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
36
46
52
48
37
11
13
9
4
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

14
10
7
0
40
40
38
38
34
40
46
52
53
40
8
3
0
0
2
1
0
0
3
2

High Clouds (% Sky Obscured)

40
35
32
21
20
20
1
1
1
2
0
0
0
4
3
3
1
4
15
7
14
3
38
11

ISS Passover

Visibility (miles)

9
9
9
9
4
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
3
16
46
51
6
2
4
9
7
22
21
11
29
33
16
18
27
61
39
15
5
1
2

Precipitation Amount (mm)

0
0
0
0.2
0.3
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
1
2
2
2
2
3
2
2
3
5
6
7
7
7
6
5
5
4
2
2
2
2

Chance of Frost

Temperature (°C)

20
20
20
19
19
20
21
22
23
25
27
26
25
26
27
27
27
26
25
24
23
22
22
21

Feels Like (°C)

23
23
22
21
21
21
22
23
25
27
28
26
26
26
27
28
28
27
27
27
26
25
25
23

Dew Point (°C)

16
16
16
16
16
17
17
17
17
17
16
17
17
17
16
16
16
16
16
16
16
16
16
16

Relative Humidity (%)

76
77
80
80
84
84
80
74
66
58
53
57
60
58
52
50
51
53
54
61
66
66
70
71

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

321
322
322
321
322
322
321
320
321
321
321
322
324
324
324
324
324
324
324
324
324
326
327
328

Friday 29

Waxing Gibbous 98%

19:14

04:01

01 Good
02 Good
03 Good
04 OK
05 Good
06 OK
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 Bad
23 Bad
00 Bad

Sun - Rise: 05:38, Set: 20:36, Transit: 13:07. Moon - Rise: 19:14, Set: 04:01. Civil Dark: 21:09 - 05:05. Nautical Dark: 21:51 - 04:23. Astro Dark: 22:41 - 03:33

Total Clouds (% Sky Obscured)

13
18
7
35
4
12
11
39
72
54
45
46
45
51
53
58
63
69
79
83
88
96
91
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
1
0
5
10
14
11
7

Medium Clouds (% Sky Obscured)

0
4
3
35
4
6
8
23
59
10
6
4
5
4
4
3
13
22
32
46
57
69
68
64

High Clouds (% Sky Obscured)

13
18
4
4
0
7
4
28
70
39
40
46
45
51
53
58
63
69
75
69
75
96
89
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
4
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7

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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
1
14
61
83
77
24
25
37
19
52
52
32
66
71
80
74
68
62
54
43

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.7
0.8
0
0
0
0
0
0
0
0.2
0.2
0.4
0.4
0.3
0.3
0.2
0

Wind Speed/Direction (mph)

2
2
1
1
2
2
1
1
1
2
2
4
6
7
7
6
6
4
3
3
1
2
4
3

Chance of Frost

Temperature (°C)

21
21
20
20
20
20
21
22
23
25
27
28
29
28
28
28
28
27
25
24
23
23
22
22

Feels Like (°C)

23
23
23
23
21
23
24
26
26
27
30
31
30
29
29
29
29
29
29
29
23
24
25
25

Dew Point (°C)

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

Relative Humidity (%)

73
73
72
74
74
75
68
67
70
65
55
45
43
45
45
45
45
51
59
66
70
74
79
80

Pressure (mb)

1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019

Ozone (du)

331
330
330
331
332
334
336
337
338
336
335
335
334
335
337
338
339
338
337
336
336
336
336
335

Saturday 30

Waxing Gibbous 100%

20:17

04:31

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

Sun - Rise: 05:38, Set: 20:37, Transit: 13:07. Moon - Rise: 20:17, Set: 04:31. Civil Dark: 21:10 - 05:04. Nautical Dark: 21:53 - 04:22. Astro Dark: 22:42 - 03:32

Total Clouds (% Sky Obscured)

80
71
63
51
50
48
43
31
21
7
13
16
21
21
22
22
39
56
73
75
69
70
69
67

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

60
42
21
0
3
5
7
5
2
0
0
0
0
0
0
0
6
11
17
12
7
2
1
1

High Clouds (% Sky Obscured)

73
69
63
51
50
48
43
31
21
7
5
3
1
1
0
0
26
47
68
75
69
70
69
67

ISS Passover

Visibility (miles)

8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

20
17
14
6
5
4
0
0
0
0
13
24
21
28
26
17
57
62
44
24
13
6
8
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
20
20
20
21
22
23
24
26
28
28
29
29
28
28
27
26
25
24
23
23
22
22

Feels Like (°C)

24
23
21
21
21
21
21
21
25
25
26
27
28
29
31
30
28
28
28
28
23
23
24
24

Dew Point (°C)

18
18
17
16
16
15
15
14
14
14
14
14
14
15
15
15
15
15
16
16
16
16
16
16

Relative Humidity (%)

80
81
80
78
77
70
64
58
51
46
41
41
41
41
43
45
47
50
55
60
63
66
68
69

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

335
334
335
336
337
339
341
343
344
345
346
346
347
347
345
344
343
342
342
341
342
343
344
344

Sunday 31

Full Moon 100%

21:17

05:06

Sun - Rise: 05:37, Set: 20:38, Transit: 13:07. Moon - Rise: 21:17, Set: 05:06. Civil Dark: 21:11 - 05:04. Nautical Dark: 21:54 - 04:21. Astro Dark: 22:44 - 03:31

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: 25/05/26 01:04:52. Forecast: 25/05/26 to 31/05/26. Timezone: UTC+2.00