Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 3%

08:02

22:32

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
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

Sun - Rise: 07:01, Set: 20:30, Transit: 13:46. Moon - Rise: 08:02, Set: 22:32. Civil Dark: 20:58 - 06:33. Nautical Dark: 21:33 - 05:58. Astro Dark: 22:09 - 05:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
30
0
4
0
0
0
0
0
0
0
0
1
1
8
10
7
0
0

Low Clouds (% Sky Obscured)

90
35
38
37
7
0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
83
54
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

91
20
99
100
100
100
30
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 (%)

26
15
1
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)

17
17
16
15
17
18
18
17
16
13
13
12
11
9
7
7
7
7
6
7
6
7
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
4
4
4
2
1
1
1
1
1
-1
-1
-1
-1
-1
-1
-1
-1
-2
-2
-3
-3
-2
0

Relative Humidity (%)

72
68
66
64
50
48
45
49
52
54
53
54
56
59
62
66
71
71
70
72
72
70
65
61

Pressure (mb)

1011
1012
1013
1014
1014
1014
1014
1015
1016
1016
1017
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022

Ozone (du)

333
340
338
340
339
337
342
341
339
342
343
347
355
361
367
378
389
391
399
404
404
404
397
391

Sunday 19

Waxing Crescent 8%

08:51

23:51

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

Sun - Rise: 07:00, Set: 20:31, Transit: 13:46. Moon - Rise: 08:51, Set: 23:51. Civil Dark: 20:59 - 06:31. Nautical Dark: 21:34 - 05:56. Astro Dark: 22:10 - 05:20

Total Clouds (% Sky Obscured)

73
92
75
100
100
100
87
62
39
9
4
15
17
25
26
24
5
6
0
0
0
0
0
4

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
16
5
5
0
3
15
17
25
26
24
5
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

73
92
71
86
100
100
70
50
30
4
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
3
0
0
0
0
0
0
0
0
4
0
0
0
0
0
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
3
4
6
5
2
2
3
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)

14
16
17
18
20
20
18
18
15
12
7
5
4
4
4
3
4
4
4
4
4
3
3
5

Chance of Frost

Temperature (°C)

9
11
12
12
12
12
11
11
10
9
8
7
5
4
3
3
2
2
2
1
1
1
3
6

Feels Like (°C)

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

Dew Point (°C)

-1
-2
-3
-3
-3
-1
2
3
4
3
1
0
-1
-2
-2
-2
-2
-2
-2
-2
-3
-3
-4
-4

Relative Humidity (%)

50
40
36
34
35
40
53
58
67
64
62
64
66
68
70
72
73
74
76
77
77
76
61
50

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1022
1022
1023
1024
1025
1025
1026
1026
1026
1027
1027
1028
1028
1029
1029
1029

Ozone (du)

388
389
392
397
398
396
397
399
399
398
400
401
396
391
387
387
385
384
381
380
381
381
380
378

Monday 20

Waxing Crescent 16%

09:52

01:04

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

Sun - Rise: 06:58, Set: 20:32, Transit: 13:46. Moon - Rise: 09:52, Set: 01:04. Civil Dark: 21:00 - 06:30. Nautical Dark: 21:35 - 05:55. Astro Dark: 22:12 - 05:18

Total Clouds (% Sky Obscured)

1
3
8
0
0
0
3
5
27
100
65
49
51
100
100
79
44
64
33
70
97
86
74
68

Low Clouds (% Sky Obscured)

0
3
0
0
0
0
0
0
0
0
0
0
0
7
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
7
0
0
0
0
4
0
30
1
0
0
0
0
53
36
48
7
15
65
54
58
49

High Clouds (% Sky Obscured)

1
3
7
0
0
0
3
0
20
82
65
49
51
79
67
70
36
37
33
70
95
73
48
30

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)

5
4
5
4
5
5
6
6
5
5
5
5
6
6
7
8
8
9
10
10
11
12
13
14

Chance of Frost

Temperature (°C)

8
10
11
12
13
13
13
14
13
12
10
9
9
8
8
8
9
8
8
8
8
9
11
14

Feels Like (°C)

8
9
10
12
12
12
12
13
12
11
8
6
5
5
5
5
5
4
4
4
3
5
7
9

Dew Point (°C)

-4
-4
-3
-3
-2
-2
-2
-1
0
3
1
1
1
2
2
3
3
3
3
4
4
5
8
9

Relative Humidity (%)

42
38
37
36
35
34
34
36
40
53
53
56
58
62
65
67
68
68
70
71
74
77
79
74

Pressure (mb)

1029
1029
1028
1027
1027
1026
1025
1024
1024
1023
1024
1024
1023
1022
1022
1021
1021
1020
1020
1019
1019
1019
1019
1018

Ozone (du)

375
372
367
365
363
357
355
355
354
351
345
347
349
349
350
353
356
356
355
356
359
360
362
362

Tuesday 21

Waxing Crescent 26%

11:02

02:06

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 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:57, Set: 20:33, Transit: 13:46. Moon - Rise: 11:02, Set: 02:06. Civil Dark: 21:02 - 06:28. Nautical Dark: 21:36 - 05:53. Astro Dark: 22:13 - 05:16

Total Clouds (% Sky Obscured)

82
92
100
96
93
92
94
96
100
98
95
92
89
74
63
47
38
36
42
43
46
70
69
64

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
12
25
37
46
54
63
65
66
63
47
38
33
37
38
37
37
50
51

Medium Clouds (% Sky Obscured)

63
86
100
93
87
80
87
92
98
85
68
44
33
18
10
5
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

50
78
100
85
78
86
91
96
100
97
90
65
63
8
7
4
5
7
8
6
6
39
34
28

ISS Passover

Visibility (miles)

9
9
9
9
9
5
9
9
8
9
2
5
3
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
3
3
4
24
40
22
32
47
95
95
95
95
73
48
28
15
2
1
0
2
1
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.7
1.1
1.1
0.8
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
17
18
18
18
17
18
15
13
10
9
9
10
10
9
9
7
6
6
5
4
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
13
14
15
16
17
17
17
18
19
18
16
15
14
15
15
15
15
14
14
14
14
15
16

Dew Point (°C)

10
10
9
10
10
12
14
15
16
16
17
16
14
14
14
14
14
14
13
13
13
12
13
14

Relative Humidity (%)

68
59
51
49
49
54
61
66
71
75
86
90
90
90
92
95
96
98
98
98
98
96
90
85

Pressure (mb)

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

Ozone (du)

362
363
363
362
363
364
363
363
362
363
359
359
363
364
358
355
351
349
349
348
348
348
349
350

Wednesday 22

Waxing Crescent 37%

11:02

02:55

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

Sun - Rise: 06:55, Set: 20:34, Transit: 13:45. Moon - Rise: 11:02, Set: 02:55. Civil Dark: 21:03 - 06:27. Nautical Dark: 21:38 - 05:52. Astro Dark: 22:15 - 05:14

Total Clouds (% Sky Obscured)

66
68
63
46
38
32
23
17
11
10
10
10
25
40
55
29
15
0
7
14
21
19
12
6

Low Clouds (% Sky Obscured)

51
51
43
35
29
23
18
14
9
9
10
9
23
36
50
29
15
0
7
14
21
14
7
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

39
22
4
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

9
9
9
8
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
14
18
20
15
10
13
6
13
2
0
1
0
0
0
0
0
0
0
0
0
6
9
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
73
70
66
64
64
65
64
65
74
78
83
82
80
79
79
78
76
74
78
80
83
82
81

Pressure (mb)

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

Ozone (du)

351
351
351
351
349
349
347
345
344
344
344
343
342
341
340
339
338
338
338
338
338
338
337
337

Thursday 23

First Quarter 49%

12:16

03:33

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

Sun - Rise: 06:54, Set: 20:35, Transit: 13:45. Moon - Rise: 12:16, Set: 03:33. Civil Dark: 21:04 - 06:25. Nautical Dark: 21:39 - 05:50. Astro Dark: 22:16 - 05:12

Total Clouds (% Sky Obscured)

20
35
49
56
66
75
65
48
35
36
38
39
47
60
72
81
89
100
100
100
100
97
93
88

Low Clouds (% Sky Obscured)

13
26
39
27
15
2
2
1
1
1
1
0
0
0
0
8
17
25
37
51
64
53
42
29

Medium Clouds (% Sky Obscured)

0
0
0
16
21
17
10
3
0
0
0
0
0
0
0
1
3
9
23
38
60
58
51
43

High Clouds (% Sky Obscured)

4
7
13
50
62
68
45
37
22
26
30
39
47
55
32
41
53
65
77
88
100
97
93
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

9
7
4
7
6
0
0
0
0
0
0
0
0
0
0
16
21
23
32
45
58
82
89
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.6
0.6

Wind Speed/Direction (mph)

8
10
12
13
12
11
10
9
9
8
9
9
10
11
11
12
12
12
11
12
13
13
14
15

Chance of Frost

Temperature (°C)

20
21
22
24
23
23
23
22
21
21
20
19
18
18
17
17
17
17
17
17
17
17
18
18

Feels Like (°C)

17
18
18
18
24
22
21
21
20
19
20
19
19
19
19
18
15
15
14
14
14
14
14
14

Dew Point (°C)

16
16
15
14
15
16
17
16
16
15
15
15
15
14
13
13
12
13
13
12
12
12
12
13

Relative Humidity (%)

80
71
62
55
58
63
67
68
69
70
74
77
82
78
77
74
74
76
77
74
72
71
71
72

Pressure (mb)

1016
1015
1015
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

336
337
337
338
338
339
339
340
340
341
340
339
338
338
338
338
338
337
336
337
338
340
339
339

Friday 24

Waxing Gibbous 60%

13:30

04:03

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

Sun - Rise: 06:53, Set: 20:36, Transit: 13:45. Moon - Rise: 13:30, Set: 04:03. Civil Dark: 21:05 - 06:24. Nautical Dark: 21:40 - 05:48. Astro Dark: 22:18 - 05:11

Total Clouds (% Sky Obscured)

90
92
94
94
94
89
71
53
34
29
27
25
34
48
61
51
36
26
44
59
77

Low Clouds (% Sky Obscured)

31
38
43
48
52
56
49
43
34
29
27
20
14
7
0
10
20
26
21
13
5

Medium Clouds (% Sky Obscured)

43
47
51
30
15
0
4
8
11
29
27
25
27
25
22
29
32
26
44
59
77

High Clouds (% Sky Obscured)

71
42
13
11
9
6
38
53
34
29
27
25
34
48
61
51
36
26
44
59
77

ISS Passover

Visibility (miles)

9
8
6
5
6
8
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

Precipitation Type

Light Rain
Light Rain
Very 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

Precipitation Probability (%)

80
71
61
61
62
62
50
36
11
9
5
0
0
0
0
0
0
0
0
1
1

Precipitation Amount (mm)

0.5
0.4
0.3
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
15
15
13
12
12
10
10
12
11
10
9
9
7
6
6
5
4
5
5

Chance of Frost

Temperature (°C)

19
20
20
21
22
22
23
22
21
20
18
17
16
15
14
13
12
12
11
11
11

Feels Like (°C)

14
15
15
16
18
19
20
20
20
20
16
16
16
15
14
13
10
9
10
10
10

Dew Point (°C)

14
15
16
17
16
16
16
16
15
15
13
12
11
10
9
8
8
8
8
8
8

Relative Humidity (%)

72
72
74
75
72
68
65
67
68
70
71
74
75
74
74
72
76
79
83
81
81

Pressure (mb)

1009
1008
1008
1008
1008
1008
1008
1008
1009
1009
1010
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

339
343
347
351
354
357
360
355
351
346
345
343
342
343
344
346
348
350
353
352
351

Forecast for Lafayette, Tippecanoe, United States of America (40.42,-86.88)

Generated: 18/04/26 11:40:11. Forecast: 18/04/26 to 24/04/26. Timezone: UTC-4.00