Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waxing Crescent 46%

12:28

02:51

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

Sun - Rise: 06:15, Set: 19:59, Transit: 13:08. Moon - Rise: 12:28, Set: 02:51. Civil Dark: 20:29 - 05:45. Nautical Dark: 21:05 - 05:09. Astro Dark: 21:44 - 04:30

Total Clouds (% Sky Obscured)

23
28
41
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0

Low Clouds (% Sky Obscured)

2
3
1
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)

23
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
18
17
19
18
15
14
13
13
13
11
11
10
9
9
9
12
15
17
19
19
20
20
19

Dew Point (°C)

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

Relative Humidity (%)

25
27
32
41
53
57
61
61
59
58
54
50
48
47
45
46
41
38
36
33
30
30
31
34

Pressure (mb)

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

Ozone (du)

403
398
395
392
390
388
386
385
383
383
381
380
379
379
378
378
374
377
376
375
373
372
369
368

Friday 24

First Quarter 57%

13:42

03:22

16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
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

Sun - Rise: 06:13, Set: 20:01, Transit: 13:07. Moon - Rise: 13:42, Set: 03:22. Civil Dark: 20:30 - 05:44. Nautical Dark: 21:06 - 05:07. Astro Dark: 21:45 - 04:28

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
1
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
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)

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

Chance of Frost

Temperature (°C)

20
20
19
17
16
15
14
14
13
13
12
12
12
11
11
11
13
15
18
20
21
22
22
22

Feels Like (°C)

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

Dew Point (°C)

6
6
6
7
8
8
8
8
7
7
7
7
7
7
6
7
6
6
7
6
5
5
6
6

Relative Humidity (%)

38
41
44
50
57
62
63
65
66
69
70
70
71
73
73
72
63
54
47
41
33
31
34
36

Pressure (mb)

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

Ozone (du)

370
372
372
371
371
372
373
373
372
371
370
370
371
371
372
372
370
369
370
370
369
368
366
367

Saturday 25

Waxing Gibbous 68%

14:51

03:47

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

Sun - Rise: 06:12, Set: 20:02, Transit: 13:07. Moon - Rise: 14:51, Set: 03:47. Civil Dark: 20:31 - 05:42. Nautical Dark: 21:08 - 05:06. Astro Dark: 21:47 - 04:26

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
2
12
13
20
35
73
76
73
74
51
46
34
25
24
25
30
35
35

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
7
22
27
26
26
14
10
5
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
35
29
39
40
40
40
40
34
25
24
25
30
35
35

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)

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

Chance of Frost

Temperature (°C)

21
20
19
18
16
15
15
14
14
13
13
13
12
12
12
12
14
16
18
20
21
21
22
22

Feels Like (°C)

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

Dew Point (°C)

7
8
9
11
11
11
11
10
10
9
8
8
8
8
8
8
8
7
6
5
5
5
6
5

Relative Humidity (%)

39
43
50
61
71
74
76
76
78
76
72
71
72
75
77
75
68
56
45
38
35
35
35
34

Pressure (mb)

1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

370
370
373
377
379
378
378
377
380
383
382
378
373
371
370
370
370
371
372
372
372
372
372
374

Sunday 26

Waxing Gibbous 78%

15:58

04:09

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 OK
05 Good
06 Good
07 Good
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:11, Set: 20:03, Transit: 13:07. Moon - Rise: 15:58, Set: 04:09. Civil Dark: 20:33 - 05:41. Nautical Dark: 21:09 - 05:04. Astro Dark: 21:48 - 04:24

Total Clouds (% Sky Obscured)

35
40
40
39
27
2
1
0
2
2
9
14
21
17
10
3
22
37
88
86
73
59
55
55

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
6
12
19
14
7
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

35
40
40
39
27
2
1
0
2
2
3
0
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
4
3
14
20
78
86
73
59
55
55

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)

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

Chance of Frost

Temperature (°C)

21
21
20
18
17
16
15
15
14
13
13
12
12
12
12
12
14
16
18
20
21
22
22
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

36
40
45
56
69
75
76
78
80
80
80
80
79
80
79
75
64
53
45
41
40
39
39
41

Pressure (mb)

1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1018

Ozone (du)

377
378
378
376
371
368
367
369
371
372
373
373
377
381
382
384
386
385
384
383
386
390
392
393

Monday 27

Waxing Gibbous 86%

15:58

04:29

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

Sun - Rise: 06:09, Set: 20:04, Transit: 13:07. Moon - Rise: 15:58, Set: 04:29. Civil Dark: 20:34 - 05:39. Nautical Dark: 21:10 - 05:02. Astro Dark: 21:50 - 04:22

Total Clouds (% Sky Obscured)

59
60
60
55
7
2
0
0
0
0
6
11
15
24
34
42
49
60
69
74
75
76
61
46

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)

53
60
60
20
4
2
0
0
0
0
0
0
0
1
2
3
20
36
53
58
60
62
52
38

High Clouds (% Sky Obscured)

59
60
60
55
4
0
0
0
0
0
4
5
7
2
8
23
39
60
69
73
65
58
40
23

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

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)

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

Chance of Frost

Temperature (°C)

21
21
19
18
17
16
15
15
14
14
13
13
13
12
13
14
14
17
19
21
21
22
22
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
43
49
55
64
70
72
71
73
73
72
74
75
75
69
65
61
53
46
39
39
39
39
41

Pressure (mb)

1018
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

394
392
389
387
386
387
386
385
383
382
380
380
380
380
378
377
376
376
376
376
376
376
376
376

Tuesday 28

Waxing Gibbous 92%

17:04

04:48

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

Sun - Rise: 06:08, Set: 20:05, Transit: 13:07. Moon - Rise: 17:04, Set: 04:48. Civil Dark: 20:35 - 05:38. Nautical Dark: 21:12 - 05:01. Astro Dark: 21:52 - 04:21

Total Clouds (% Sky Obscured)

31
25
19
11
8
7
4
3
2
0
5
9
13
17
22
26
28
36
34
28
23
12
7
7

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
9
13
15
14
12
10
6
3
4
4
4
2
1

Medium Clouds (% Sky Obscured)

25
22
19
11
8
6
0
0
0
0
0
0
0
3
7
8
10
17
15
15
10
10
7
6

High Clouds (% Sky Obscured)

5
3
2
0
2
3
4
3
2
0
0
0
0
0
0
0
2
3
5
5
5
0
1
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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
45
49
54
60
62
66
68
68
69
69
69
69
67
64
60
55
49
43
38
38
38
38
43

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010

Ozone (du)

375
375
374
373
373
372
372
371
371
370
370
371
372
373
373
372
372
370
368
366
363
360
358
356

Wednesday 29

Waxing Gibbous 97%

18:08

05:09

16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 OK
23 OK
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:06, Set: 20:06, Transit: 13:07. Moon - Rise: 18:08, Set: 05:09. Civil Dark: 20:36 - 05:36. Nautical Dark: 21:13 - 04:59. Astro Dark: 21:53 - 04:19

Total Clouds (% Sky Obscured)

6
7
11
12
13
17
21
23
24
26
39
50
59
69
75
84

Low Clouds (% Sky Obscured)

0
2
2
4
9
14
19
19
22
24
30
37
43
34
27
24

Medium Clouds (% Sky Obscured)

2
2
0
0
0
0
0
0
0
0
0
0
3
23
46
70

High Clouds (% Sky Obscured)

3
4
4
5
4
2
1
1
1
2
3
4
6
23
43
61

ISS Passover

Visibility (miles)

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

Precipitation Type

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
6
9
8
15
14
5
20
25
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
9
8
7
7
7
7
6
5
5
4
4
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
18
18
18
19
15
16
16
16
16
15
15
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

48
53
59
66
74
75
78
80
80
80
82
82
83
83
80
78

Pressure (mb)

1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1009
1009
1009
1010

Ozone (du)

355
353
354
355
355
355
355
356
355
355
355
353
352
350
351
351

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

Generated: 23/04/26 15:39:51. Forecast: 23/04/26 to 29/04/26. Timezone: UTC+2.00