Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 14%

08:50

00:14

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

Sun - Rise: 06:19, Set: 19:56, Transit: 13:08. Moon - Rise: 08:50, Set: 00:14. Civil Dark: 20:25 - 05:50. Nautical Dark: 21:01 - 05:14. Astro Dark: 21:39 - 04:36

Total Clouds (% Sky Obscured)

30
29
40
48
40
62
60
56
39
40
53
59
80
60
50
9
11
25
23
47
49
55
39
70

Low Clouds (% Sky Obscured)

30
23
4
14
4
47
45
40
8
4
4
4
2
0
0
0
0
0
4
23
21
27
18
70

Medium Clouds (% Sky Obscured)

30
29
40
46
38
32
32
27
28
32
29
23
25
35
3
7
11
25
17
18
16
14
11
42

High Clouds (% Sky Obscured)

0
0
0
0
0
10
1
16
10
4
8
16
47
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
17
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
4
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
9
10
11
12
13
13
13
13
12
12
12
11
11
11
11
10
10
10
9
9
10
10
11

Relative Humidity (%)

39
44
48
55
61
72
78
79
82
83
82
83
84
86
86
87
84
75
64
53
47
47
46
47

Pressure (mb)

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

Ozone (du)

364
363
362
361
360
360
362
360
357
354
353
354
355
357
357
357
358
359
359
359
359
358
357
357

Tuesday 21

Waxing Crescent 23%

09:58

01:19

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

Sun - Rise: 06:18, Set: 19:57, Transit: 13:08. Moon - Rise: 09:58, Set: 01:19. Civil Dark: 20:27 - 05:48. Nautical Dark: 21:02 - 05:12. Astro Dark: 21:40 - 04:34

Total Clouds (% Sky Obscured)

53
36
32
30
43
64
65
12
20
35
36
55
53
53
54
58
52
56
53
60
65
67
81
98

Low Clouds (% Sky Obscured)

52
14
16
14
17
15
9
5
12
27
13
22
21
21
23
22
14
14
10
16
18
17
49
83

Medium Clouds (% Sky Obscured)

8
14
4
3
15
15
33
0
0
0
4
14
24
28
30
34
27
33
33
28
41
38
39
39

High Clouds (% Sky Obscured)

0
0
0
0
0
64
65
0
0
0
0
0
0
0
0
15
14
29
0
0
0
67
59
33

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
8
6

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
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
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

7
10
13
12
12
8
2
1
1
2
7
3
2
1
2
1
1
1
10
22
55
81
78
70

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.3
0.5

Wind Speed/Direction (mph)

11
10
10
9
7
4
2
2
2
2
3
3
3
3
3
3
3
3
4
3
3
4
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
20
19
19
19
17
17
16
15
14
14
13
13
13
13
13
15
17
19
21
22
21
20

Dew Point (°C)

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

Relative Humidity (%)

49
50
52
57
63
77
79
82
82
82
84
86
86
86
87
87
84
76
69
62
56
51
53
62

Pressure (mb)

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

Ozone (du)

357
356
357
357
358
358
358
357
357
356
356
354
354
354
354
353
354
355
353
352
354
355
356
358

Wednesday 22

Waxing Crescent 34%

11:13

02:11

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

Sun - Rise: 06:16, Set: 19:58, Transit: 13:08. Moon - Rise: 11:13, Set: 02:11. Civil Dark: 20:28 - 05:46. Nautical Dark: 21:04 - 05:11. Astro Dark: 21:42 - 04:32

Total Clouds (% Sky Obscured)

91
82
69
49
56
39
35
40
40
35
35
35
40
35
35
2
2
0
0
0
5
11
14
17

Low Clouds (% Sky Obscured)

30
37
34
49
12
34
6
4
4
4
25
35
40
35
35
2
2
0
0
0
4
9
12
8

Medium Clouds (% Sky Obscured)

37
29
69
49
56
39
35
40
40
35
35
35
40
0
0
0
0
0
0
0
1
2
2
4

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)

4
4
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

73
57
40
21
14
11
12
15
13
26
31
30
27
20
6
3
2
2
3
2
1
1
2
1

Precipitation Amount (mm)

0.7
0.4
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)

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

Chance of Frost

Temperature (°C)

20
20
19
19
18
16
15
14
13
13
12
11
11
11
11
10
9
11
13
15
17
18
19
20

Feels Like (°C)

19
19
18
17
16
14
13
12
11
11
10
9
10
9
9
8
8
10
12
14
16
17
18
19

Dew Point (°C)

14
14
13
12
12
10
9
9
9
9
8
8
8
8
7
7
7
6
6
6
5
4
3
2

Relative Humidity (%)

70
69
66
65
68
68
68
70
75
79
76
81
81
80
78
78
84
73
62
53
45
39
34
29

Pressure (mb)

1013
1013
1013
1013
1013
1013
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

357
358
358
358
359
361
363
367
378
385
390
392
394
397
400
407
413
409
407
404
405
405
406
407

Thursday 23

Waxing Crescent 46%

12:28

02:51

15 Good
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

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)

15
16
11
5
0
3
2
0
0
0
0
0
0
0
0
0
0
4
6
6
6
0
0
0

Low Clouds (% Sky Obscured)

3
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)

6
9
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
0
0
0
0
0
0
0
0
0
0
4
4
4
4
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 (%)

1
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)

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

Chance of Frost

Temperature (°C)

21
21
21
19
17
15
14
13
12
11
10
9
8
8
7
7
7
9
12
15
17
19
20
21

Feels Like (°C)

20
20
19
17
16
16
15
14
12
10
9
8
7
6
6
6
6
7
11
14
18
20
21
22

Dew Point (°C)

1
1
3
8
10
10
9
8
8
7
6
4
2
1
1
1
1
0
1
2
5
6
4
4

Relative Humidity (%)

26
26
31
49
64
70
70
72
76
77
76
70
65
64
65
65
64
55
47
42
42
41
34
31

Pressure (mb)

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

Ozone (du)

404
397
394
390
388
383
380
378
377
378
379
381
383
386
387
387
387
383
381
382
383
383
383
384

Friday 24

First Quarter 57%

13:41

03:22

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

Sun - Rise: 06:13, Set: 20:01, Transit: 13:07. Moon - Rise: 13:41, Set: 03:22. Civil Dark: 20:30 - 05:43. Nautical Dark: 21:06 - 05:07. Astro Dark: 21:45 - 04:28

Total Clouds (% Sky Obscured)

4
4
4
4
7
6
2
0
0
3
0
5
8
12
18
25
34
39
43
45
35
21
8
8

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
7
8
5
2
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)

4
4
4
4
6
6
2
0
0
2
0
0
0
1
2
5
17
28
40
42
31
18
5
6

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)

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

Chance of Frost

Temperature (°C)

21
20
19
18
17
15
14
13
12
11
11
10
10
9
9
9
10
10
13
16
19
20
21
22

Feels Like (°C)

21
19
18
18
17
15
15
15
13
12
11
11
10
10
9
9
9
8
12
13
15
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

34
45
53
56
62
71
75
74
76
79
81
85
85
87
88
84
80
76
66
58
51
45
40
36

Pressure (mb)

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

Ozone (du)

383
381
379
378
375
372
369
367
366
366
366
366
365
365
364
363
363
362
362
362
362
363
364
365

Saturday 25

Waxing Gibbous 68%

14:51

03:47

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

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 - 05:05. Astro Dark: 21:47 - 04:26

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
7
11
8
5
2
1
1
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)

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

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

Chance of Frost

Temperature (°C)

22
21
21
20
18
17
15
14
13
13
12
12
11
10
9
10
10
11
13
16
19
20
21
22

Feels Like (°C)

23
22
21
22
22
22
15
15
15
15
15
15
13
11
11
10
10
9
13
14
16
17
18
19

Dew Point (°C)

7
7
7
9
11
13
12
11
10
10
10
10
9
8
7
7
7
6
6
6
7
7
7
7

Relative Humidity (%)

37
39
41
51
62
77
79
82
84
86
86
87
87
88
88
82
78
73
62
52
45
42
39
37

Pressure (mb)

1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1016
1016
1016

Ozone (du)

366
368
369
370
370
370
370
370
370
370
371
372
373
375
376
375
373
372
375
378
381
386
391
397

Sunday 26

Waxing Gibbous 78%

No Rise

04:09

15 Good
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 OK
05 OK
06 OK
07 Good

Sun - Rise: 06:10, Set: 20:03, Transit: 13:07. Moon - Rise: No Rise, Set: 04:09. Civil Dark: 20:33 - 05:40. Nautical Dark: 21:09 - 05:04. Astro Dark: 21:48 - 04:24

Total Clouds (% Sky Obscured)

3
2
2
3
3
2
1
0
0
1
2
5
8
28
26
21
17

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
2
3
3
3
4
7

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

3
2
2
3
3
2
1
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

9
9
9
8
6
4
3
2
3
3
3
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

21
21
20
19
17
16
15
13
12
12
11
10
9
9
8
9
10

Feels Like (°C)

23
21
20
20
20
20
13
14
15
14
13
13
10
10
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

38
39
40
47
56
66
69
74
77
79
78
78
80
80
81
77
72

Pressure (mb)

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

Ozone (du)

392
387
382
378
375
371
371
370
370
369
369
369
369
369
369
369
369

Forecast for Monti, Province of Rome, Italy (41.90,12.50)

Generated: 20/04/26 15:44:11. Forecast: 20/04/26 to 26/04/26. Timezone: UTC+2.00