Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 21%

04:57

15:22

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:32, Set: 19:51, Transit: 13:13. Moon - Rise: 04:57, Set: 15:22. Civil Dark: 20:20 - 06:03. Nautical Dark: 20:55 - 05:29. Astro Dark: 21:32 - 04:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
94
95
96
91
94
91
91
95
99
100
90
88
87
87
100
100

Low Clouds (% Sky Obscured)

48
64
69
76
63
91
69
28
42
51
33
35
34
32
28
33
33
34
36
33
36
35
36
48

Medium Clouds (% Sky Obscured)

100
100
97
94
100
95
84
89
21
34
30
20
22
29
28
64
82
92
47
28
37
33
34
32

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
94
95
96
91
94
91
91
95
99
100
90
88
87
87
100
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

6
8
18
40
93
95
95
95
95
95
95
95
95
95
95
95
92
77
64
78
89
95
95
78

Precipitation Amount (mm)

0
0
0
0
0.9
0.4
0.9
1.5
0.8
1
1.3
1
1
1.2
1.5
0.9
0.6
0.3
0
0.4
0.6
0.9
0.9
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
13
15
13
13
12
13
13
12
13
13
12
13
13
12
12
13
13
13
12
13
14

Dew Point (°C)

10
11
12
12
13
14
14
14
14
15
14
14
14
13
13
13
13
13
13
13
12
12
12
13

Relative Humidity (%)

61
65
67
68
68
74
78
81
82
85
87
90
90
89
90
90
89
89
89
90
89
90
92
92

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1001
1001
1001
1002
1002
1003
1004
1004
1004
1005
1005
1005
1005
1005
1006
1006

Ozone (du)

386
380
382
379
379
382
383
378
376
378
382
380
378
377
377
378
377
376
374
373
373
374
376
377

Tuesday 14

Waning Crescent 13%

05:19

16:33

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 OK
21 OK
22 Bad
23 Bad
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:31, Set: 19:53, Transit: 13:12. Moon - Rise: 05:19, Set: 16:33. Civil Dark: 20:21 - 06:02. Nautical Dark: 20:56 - 05:27. Astro Dark: 21:33 - 04:50

Total Clouds (% Sky Obscured)

98
100
80
71
61
63
53
47
46
43
35
36
33
31
80
73
34
100
100
100
100
100
90
100

Low Clouds (% Sky Obscured)

44
86
80
58
44
22
17
21
27
25
22
19
16
11
5
0
0
9
9
6
65
65
65
17

Medium Clouds (% Sky Obscured)

31
32
35
23
59
24
16
0
0
0
2
1
1
2
2
1
0
2
30
68
65
100
90
52

High Clouds (% Sky Obscured)

98
100
11
2
2
0
0
0
0
0
0
0
0
11
80
66
17
100
100
100
100
100
25
100

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9

Fog (%)

2
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

Light Rain
Very Light Rain
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
None

Precipitation Probability (%)

71
67
57
50
50
45
38
36
32
14
15
14
7
0
2
0
2
3
4
18
31
28
8
6

Precipitation Amount (mm)

0.4
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
15
16
16
17
18
18
17
16
14
11
8
5
4
3
3
4
3
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
81
76
73
72
80
83
82
83
83
85
90
93
93
92
90
90
90
89
89
90
92
93
90

Pressure (mb)

1007
1007
1008
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1012

Ozone (du)

377
376
377
379
381
383
383
382
383
382
383
384
387
390
389
383
382
381
381
378
378
378
379
380

Wednesday 15

Waning Crescent 6%

05:41

17:45

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

Sun - Rise: 06:29, Set: 19:54, Transit: 13:12. Moon - Rise: 05:41, Set: 17:45. Civil Dark: 20:23 - 06:00. Nautical Dark: 20:58 - 05:25. Astro Dark: 21:35 - 04:48

Total Clouds (% Sky Obscured)

100
58
40
48
75
79
60
100
100
100
100
97
39
28
21
27
31
36
44
52
58
49
46
47

Low Clouds (% Sky Obscured)

50
16
0
0
2
4
1
2
4
6
4
3
3
3
3
0
0
6
7
7
8
10
11
12

Medium Clouds (% Sky Obscured)

43
45
19
40
64
67
33
87
79
100
100
45
34
5
14
20
25
27
34
39
39
33
31
32

High Clouds (% Sky Obscured)

100
2
1
9
75
79
28
100
100
100
100
89
35
28
6
0
0
6
4
2
0
2
2
2

ISS Passover

Visibility (miles)

9
9
6
9
9
7
9
7
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
7
3
17
47
62
65
57
45
43
28
6
4
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
8
8
5
2
5
6
6
6
6
7
8
8
7
6
6
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
83
72
66
66
69
80
85
89
86
88
89
90
90
90
90
89
89
89
90
92
90
89

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1013
1013
1013
1013
1013
1014
1013
1013
1013
1014
1014
1014

Ozone (du)

383
386
387
389
390
389
388
386
383
382
381
381
381
381
380
379
379
379
379
380
379
378
378
380

Thursday 16

Waning Crescent 2%

06:06

19:00

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

Sun - Rise: 06:28, Set: 19:55, Transit: 13:12. Moon - Rise: 06:06, Set: 19:00. Civil Dark: 20:24 - 05:59. Nautical Dark: 20:59 - 05:23. Astro Dark: 21:36 - 04:46

Total Clouds (% Sky Obscured)

39
33
32
28
26
23
20
16
12
11
10
8
12
16
22
27
20
63
16
12
7
6
3
0

Low Clouds (% Sky Obscured)

7
4
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
10
13
12
7
6
3
0

Medium Clouds (% Sky Obscured)

25
22
22
17
16
14
13
12
9
6
5
3
8
11
14
10
5
0
5
2
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
4
3
4
4
9
16
7
63
3
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
1
1
18
17
5
17
21
10
17
16
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
17
19
22
23
22
21
20
20
20
20
20
19
19
17
16
15
14
14
15
14
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

87
81
76
70
65
65
70
75
76
75
78
83
85
85
85
85
86
83
83
84
84
84
84
86

Pressure (mb)

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

Ozone (du)

379
378
378
375
371
369
366
362
360
358
358
358
357
355
354
351
348
351
352
352
352
351
350
351

Friday 17

New Moon 0%

06:34

20:18

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 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK

Sun - Rise: 06:26, Set: 19:56, Transit: 13:12. Moon - Rise: 06:34, Set: 20:18. Civil Dark: 20:25 - 05:57. Nautical Dark: 21:00 - 05:21. Astro Dark: 21:38 - 04:44

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
13
21
31
34
32
34
28
25
22
26
28
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
5
2
0
0
0
0
4
7
10
7
4
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
1
13
21
31
34
32
34
24
14
5
12
19
26

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
13
13
13
13
12
13
13
13
12
10
9
8
8
7
7
7
7
7
7
8

Relative Humidity (%)

83
73
66
63
60
58
55
55
54
60
63
68
70
68
67
66
67
65
66
66
68
68
68
69

Pressure (mb)

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

Ozone (du)

352
352
352
352
352
352
353
353
351
351
351
351
352
352
352
353
352
352
351
352
354
355
355
355

Saturday 18

Waxing Crescent 2%

07:10

21:40

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

Sun - Rise: 06:25, Set: 19:57, Transit: 13:12. Moon - Rise: 07:10, Set: 21:40. Civil Dark: 20:26 - 05:55. Nautical Dark: 21:02 - 05:20. Astro Dark: 21:39 - 04:42

Total Clouds (% Sky Obscured)

45
57
75
50
32
10
19
27
33
34
36
42
62
76
91
88
84
79
80
95
100
100
100
100

Low Clouds (% Sky Obscured)

2
3
5
5
5
5
4
4
3
1
1
0
1
1
2
2
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
4
7
4
2
1
8
15
23
25
35
37
53
62
77
76
71
65
75
73
54
54
94
98

High Clouds (% Sky Obscured)

39
44
75
50
31
5
5
6
6
9
12
16
42
68
91
88
84
79
79
79
80
85
95
100

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
1
1
0
0
0
0
0
0
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
13
14
15
15
15
22
21
21
21
21
21
15
16
16
15
14
13
10
9
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

69
65
61
57
55
52
48
52
53
56
60
64
70
68
69
68
71
74
76
75
73
73
72
72

Pressure (mb)

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

Ozone (du)

356
357
358
359
358
357
356
355
355
354
354
354
354
357
359
362
361
361
360
360
360
360
359
358

Sunday 19

Waxing Crescent 6%

07:55

23:02

08 Bad
09 Bad
10 OK
11 OK
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:23, Set: 19:58, Transit: 13:11. Moon - Rise: 07:55, Set: 23:02. Civil Dark: 20:27 - 05:54. Nautical Dark: 21:03 - 05:18. Astro Dark: 21:41 - 04:40

Total Clouds (% Sky Obscured)

78
56
33
22
11
1
0
0
0
7
14
23
42
60
74
68
62
55

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

66
34
1
1
0
0
0
0
0
0
0
0
11
22
33
55
62
55

High Clouds (% Sky Obscured)

77
54
31
21
10
0
0
0
0
7
14
23
42
60
74
68
62
55

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
0
0
0
0
0
1
6
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
11
12
14
14
16
20
20
19
19
19
19
15
15
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

71
63
57
51
50
49
49
54
60
65
71
78
83
85
84
86
84
83

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

358
358
359
359
360
361
362
361
360
359
360
361
362
363
364
366
367
369

Forecast for Civitavecchia, Province of Rome, Italy (42.09,11.80)

Generated: 13/04/26 08:13:22. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+2.00