Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Gibbous 69%

01:32

09:58

01 Good
02 Good
03 Good
04 Good
05 OK
06 OK
07 Good
08 Good
09 Good
10 Bad
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

Sun - Rise: 06:40, Set: 19:43, Transit: 13:11. Moon - Rise: 01:32, Set: 09:58. Civil Dark: 20:11 - 06:11. Nautical Dark: 20:45 - 05:37. Astro Dark: 21:21 - 05:02

Total Clouds (% Sky Obscured)

9
12
15
18
30
23
10
0
7
60
10
12
13
2
2
2
5
0
0
1
0
0
0
0

Low Clouds (% Sky Obscured)

9
12
15
17
21
17
7
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
7
55
9
12
13
2
2
2
4
0
0
1
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
53
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)

2
2
2
3
3
3
3
3
2
2
2
4
6
8
8
7
7
7
6
3
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
11
12
11
11
12
15
17
20
21
20
20
20
20
20
18
17
16
16
16
14
14

Dew Point (°C)

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

Relative Humidity (%)

76
74
74
74
74
74
73
68
56
49
43
40
37
37
38
37
39
44
52
60
63
64
64
63

Pressure (mb)

1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

362
362
361
361
360
358
357
356
355
356
357
354
351
350
350
349
348
349
350
352
354
353
355
356

Thursday 9

Waning Gibbous 60%

02:22

10:54

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 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: 06:38, Set: 19:44, Transit: 13:11. Moon - Rise: 02:22, Set: 10:54. Civil Dark: 20:12 - 06:10. Nautical Dark: 20:47 - 05:35. Astro Dark: 21:22 - 05:00

Total Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
12
11
11
12
13
16
18
20
20
20
20
20
20
19
19
18
16
16
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

63
65
66
67
68
71
72
67
60
53
47
44
42
40
40
41
45
53
59
66
70
71
72
75

Pressure (mb)

1020
1019
1019
1019
1019
1018
1018
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1017
1017
1018
1018
1018

Ozone (du)

358
359
358
357
357
358
358
360
362
364
365
366
368
370
370
371
371
373
373
372
371
371
371
371

Friday 10

Third Quarter 50%

03:03

11:57

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

Sun - Rise: 06:36, Set: 19:45, Transit: 13:11. Moon - Rise: 03:03, Set: 11:57. Civil Dark: 20:14 - 06:08. Nautical Dark: 20:48 - 05:34. Astro Dark: 21:24 - 04:58

Total Clouds (% Sky Obscured)

2
2
2
22
31
27
2
0
2
11
27
22
21
25
100
9
3
27
4
4
4
5
5
3

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
15
11
8
2
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
11
18
18
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
3
2
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
3
0
6
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
2
2
2
2
3
2
2
4
6
6
7
7
7
7
6
6
5
4
4
3
3
3

Chance of Frost

Temperature (°C)

13
12
12
11
11
11
11
13
15
17
19
20
20
20
20
20
19
19
17
15
15
14
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
73
72
71
70
68
68
64
56
54
52
50
50
50
50
50
51
53
61
69
71
73
71
72

Pressure (mb)

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

Ozone (du)

368
365
361
356
353
353
352
352
352
357
356
356
355
354
354
353
351
349
347
346
345
345
346
346

Saturday 11

Waning Crescent 40%

03:38

13:03

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

Sun - Rise: 06:35, Set: 19:46, Transit: 13:11. Moon - Rise: 03:38, Set: 13:03. Civil Dark: 20:15 - 06:06. Nautical Dark: 20:49 - 05:32. Astro Dark: 21:25 - 04:56

Total Clouds (% Sky Obscured)

2
11
21
32
34
35
49
26
14
2
0
0
0
6
13
19
19
16
15
9
8
17
17
30

Low Clouds (% Sky Obscured)

0
7
13
20
22
24
26
16
8
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)

1
1
1
2
2
1
8
1
1
2
0
0
0
4
8
11
10
9
8
5
6
17
10
14

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
1
0
1
2
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
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
2
2
3
3
2
3
5
8
10
11
12
12
12
11
10
9
8
7
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
9
9
9
9
10
10
10
10
11
11
10
10
9
10
10
10
9
7
7

Relative Humidity (%)

74
75
77
79
81
84
83
75
66
61
55
51
51
51
53
53
51
53
61
69
73
71
62
63

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1014
1015
1015
1014
1014

Ozone (du)

345
343
344
344
345
346
347
348
350
348
349
351
350
352
353
349
347
347
345
345
345
343
343
342

Sunday 12

Waning Crescent 30%

04:07

14:11

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

Sun - Rise: 06:33, Set: 19:47, Transit: 13:10. Moon - Rise: 04:07, Set: 14:11. Civil Dark: 20:16 - 06:05. Nautical Dark: 20:50 - 05:30. Astro Dark: 21:27 - 04:54

Total Clouds (% Sky Obscured)

46
71
45
64
78
89
100
100
100
100
100
100
100
100
100
100
99
98
97
98
98
99
92
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
9
19
26
21
17
11
14
17
21
16
11

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
48
100
99
98
98
98
99
100
96
91
87
74
61
49
48
48

High Clouds (% Sky Obscured)

23
69
44
64
78
89
100
100
100
100
100
100
100
100
100
100
99
98
92
91
93
99
75
51

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
1
0
16
20
13
19
18
10
11
8

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
4
3
3
4
4
3
4
5
6
8
8
9
11
9
9
9
7
5
3
3

Chance of Frost

Temperature (°C)

13
13
12
12
12
12
12
13
16
18
20
21
22
23
21
20
19
18
18
17
17
16
16
16

Feels Like (°C)

13
13
11
11
10
11
10
12
14
17
18
19
20
21
20
20
20
19
19
18
14
14
13
13

Dew Point (°C)

7
7
6
7
7
7
6
6
7
7
8
8
8
9
10
11
12
11
11
10
11
11
11
11

Relative Humidity (%)

64
65
66
69
70
69
65
62
54
49
45
41
39
40
47
55
63
62
63
63
67
71
74
75

Pressure (mb)

1014
1013
1013
1012
1012
1011
1011
1011
1011
1010
1010
1009
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1005

Ozone (du)

342
342
341
341
340
342
343
345
348
348
352
355
357
358
358
359
360
361
362
363
368
372
377
376

Monday 13

Waning Crescent 21%

04:32

15:20

01 Bad
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 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:32, Set: 19:48, Transit: 13:10. Moon - Rise: 04:32, Set: 15:20. Civil Dark: 20:17 - 06:03. Nautical Dark: 20:52 - 05:28. Astro Dark: 21:28 - 04:52

Total Clouds (% Sky Obscured)

78
85
93
100
90
82
77
84
90
98
99
99
100
100
100
100
100
100
100
99
96
95
97
99

Low Clouds (% Sky Obscured)

5
7
7
7
9
10
14
34
53
71
78
85
93
90
88
86
86
85
83
83
77
75
75
79

Medium Clouds (% Sky Obscured)

48
63
82
100
82
65
47
57
66
76
83
90
97
96
93
92
83
76
71
76
78
85
83
82

High Clouds (% Sky Obscured)

28
52
76
99
83
66
49
63
77
91
93
95
97
98
99
100
100
100
100
90
80
70
79
88

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

Precipitation Probability (%)

3
11
17
20
25
31
37
76
95
95
95
75
95
92
85
73
71
67
60
48
37
22
33
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.5
1.4
2.7
0.8
0.3
0.8
0.6
0.4
0.3
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
15
15
16
16
16
16
16
17
17
17
17
17
16
16
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

11
11
11
12
12
12
11
11
11
10
10
10
10
11
11
11
11
12
12
12
12
12
12
12

Relative Humidity (%)

78
79
80
80
80
79
77
75
72
69
67
67
67
68
68
67
67
71
75
79
80
82
83
84

Pressure (mb)

1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1006
1006
1006

Ozone (du)

375
374
376
378
380
380
380
379
378
377
375
375
375
375
375
376
376
375
375
375
376
378
379
380

Tuesday 14

Waning Crescent 13%

04:54

16:30

Sun - Rise: 06:30, Set: 19:50, Transit: 13:10. Moon - Rise: 04:54, Set: 16:30. Civil Dark: 20:18 - 06:01. Nautical Dark: 20:53 - 05:26. Astro Dark: 21:30 - 04:50

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: 08/04/26 01:40:06. Forecast: 08/04/26 to 14/04/26. Timezone: UTC+2.00