Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 24

Waxing Gibbous 60%

No Rise

03:21

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:15, Set: 19:54, Transit: 13:05. Moon - Rise: No Rise, Set: 03:21. Civil Dark: 20:23 - 05:46. Nautical Dark: 20:57 - 05:12. Astro Dark: 21:34 - 04:35

Total Clouds (% Sky Obscured)

44
60
63
100
99
79
26
72
84
100
83
36
90
99
100
86
89
95
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
28
18
61
53
44
3
60
58
3
3
3
12
41
47
28
71
76
71
78
80
91
95
97

Medium Clouds (% Sky Obscured)

44
60
12
94
91
39
11
72
84
34
52
17
11
17
17
18
49
47
75
70
79
98
77
97

High Clouds (% Sky Obscured)

5
60
1
87
99
44
12
31
35
30
29
14
74
94
100
83
48
67
81
66
100
92
41
94

ISS Passover

Visibility (miles)

5
9
9
5
3
2
9
1
6
9
9
9
9
9
9
9
9
9
9
9
9
5
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
Light Rain
Moderate Rain
Light Rain
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

46
44
95
95
95
57
95
95
32
15
34
14
16
5
1
0
0
0
1
0
4
8
17
25

Precipitation Amount (mm)

0
0
1.1
3.6
1
0
1.4
1.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
24
22
21
22
23
22
20
19
18
18
17
16
14
13
12
11
11
11
12
13
14
15
15

Feels Like (°C)

24
24
22
23
23
24
23
22
20
18
19
17
18
14
13
10
10
9
8
9
11
12
13
13

Dew Point (°C)

13
13
11
11
21
20
20
19
18
17
17
16
16
14
12
11
11
10
10
11
12
13
13
13

Relative Humidity (%)

51
48
48
51
92
83
87
93
95
90
95
95
96
96
96
95
96
95
93
95
93
92
89
86

Pressure (mb)

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

Ozone (du)

352
353
353
352
353
354
355
355
357
357
357
355
354
352
351
352
353
352
352
352
352
352
352
353

Saturday 25

Waxing Gibbous 71%

14:01

03:47

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:13, Set: 19:55, Transit: 13:05. Moon - Rise: 14:01, Set: 03:47. Civil Dark: 20:24 - 05:45. Nautical Dark: 20:58 - 05:10. Astro Dark: 21:35 - 04:33

Total Clouds (% Sky Obscured)

100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
94
84
82

Low Clouds (% Sky Obscured)

94
83
80
81
88
87
94
91
96
96
100
100
100
100
100
100
100
100
100
100
92
90
80
80

Medium Clouds (% Sky Obscured)

100
100
86
100
98
100
90
75
68
67
70
63
36
83
80
63
35
33
36
30
0
2
0
0

High Clouds (% Sky Obscured)

100
100
100
100
84
100
100
100
100
100
100
100
100
100
100
100
99
97
77
45
22
21
0
0

ISS Passover

Visibility (miles)

9
9
9
8
3
4
2
4
1
0
0
0
1
5
9
5
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
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

26
73
78
95
95
95
95
83
67
52
60
73
68
56
50
52
40
36
11
1
1
1
1
1

Precipitation Amount (mm)

0
0.4
0.3
0.6
0.6
0.9
0.7
0.4
0.3
0
0
0.3
0.3
0
0.2
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
15
15
14
14
13
12
11
10
10
9
9
8
8
8
7
7
7
7
7
8
9
11

Feels Like (°C)

14
14
13
13
11
11
10
9
8
8
7
6
6
5
4
3
3
3
3
3
3
4
5
6

Dew Point (°C)

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

Relative Humidity (%)

87
83
80
84
84
92
95
96
98
98
96
96
96
96
95
96
94
94
93
93
93
91
88
87

Pressure (mb)

1011
1010
1010
1009
1009
1010
1010
1011
1011
1012
1011
1012
1012
1013
1013
1014
1015
1015
1016
1017
1018
1019
1019
1019

Ozone (du)

352
351
348
346
347
347
346
346
348
349
350
349
351
354
357
359
362
364
366
370
372
374
375
377

Sunday 26

Waxing Gibbous 80%

15:08

04:10

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

Sun - Rise: 06:12, Set: 19:56, Transit: 13:05. Moon - Rise: 15:08, Set: 04:10. Civil Dark: 20:25 - 05:43. Nautical Dark: 20:59 - 05:09. Astro Dark: 21:36 - 04:31

Total Clouds (% Sky Obscured)

88
86
61
63
74
71
70
70
70
25
0
9
57
7
0
41
1
0
0
1
1
1
3
5

Low Clouds (% Sky Obscured)

87
86
61
63
74
71
70
70
61
20
0
0
0
0
0
0
0
0
0
0
0
0
2
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
0
9
57
7
0
7
0
0
0
1
1
1
1
1

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 (%)

14
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
9
9
9
8
7
5
5
5
5
5
5
5
5
5
5
4
5
5
6
7
7

Chance of Frost

Temperature (°C)

12
13
13
14
14
14
13
12
11
10
9
8
7
6
5
5
4
4
5
8
10
13
15
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
77
76
74
74
73
74
76
80
84
87
88
88
90
91
89
91
89
86
75
62
57
53
50

Pressure (mb)

1019
1019
1019
1019
1019
1020
1020
1021
1022
1022
1023
1023
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1024

Ozone (du)

377
380
383
383
383
384
385
384
383
381
380
379
380
379
375
371
368
367
367
366
365
364
364
364

Monday 27

Waxing Gibbous 88%

16:13

04:32

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

Sun - Rise: 06:11, Set: 19:57, Transit: 13:05. Moon - Rise: 16:13, Set: 04:32. Civil Dark: 20:26 - 05:42. Nautical Dark: 21:01 - 05:07. Astro Dark: 21:38 - 04:30

Total Clouds (% Sky Obscured)

7
6
17
15
20
11
11
7
1
2
0
0
42
15
47
13
58
58
54
59
80
97
100
100

Low Clouds (% Sky Obscured)

7
5
2
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
30
53

High Clouds (% Sky Obscured)

0
1
10
10
15
11
11
7
1
2
0
0
42
15
47
8
58
58
54
59
80
85
100
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
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

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

Chance of Frost

Temperature (°C)

17
18
19
19
19
17
16
14
13
11
10
9
8
8
7
7
6
7
8
9
10
13
15
16

Feels Like (°C)

15
16
17
15
16
15
14
11
11
10
10
9
9
7
8
6
6
5
6
7
7
10
12
12

Dew Point (°C)

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

Relative Humidity (%)

48
46
44
44
46
52
59
63
66
75
81
81
84
84
82
84
84
87
82
70
54
47
43
42

Pressure (mb)

1024
1024
1023
1023
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1023
1023
1022
1022
1021
1020

Ozone (du)

364
364
362
362
363
362
360
358
362
359
356
352
348
345
346
344
340
342
341
340
339
340
341
341

Tuesday 28

Waxing Gibbous 94%

17:16

04:53

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:10, Set: 19:58, Transit: 13:04. Moon - Rise: 17:16, Set: 04:53. Civil Dark: 20:27 - 05:41. Nautical Dark: 21:02 - 05:06. Astro Dark: 21:39 - 04:28

Total Clouds (% Sky Obscured)

100
100
100
100
97
93
88
88
84
71
72
83
75
79
86
93
95
98
100
97
94
90
94
97

Low Clouds (% Sky Obscured)

0
33
65
93
81
63
46
46
43
43
40
38
36
63
59
56
64
72
79
73
70
68
72
76

Medium Clouds (% Sky Obscured)

65
65
98
97
76
39
15
15
27
43
50
57
64
8
6
3
3
3
3
14
21
18
17
17

High Clouds (% Sky Obscured)

100
100
100
100
95
90
87
24
25
30
23
10
0
0
1
1
30
60
90
91
94
90
94
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
3
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
38
52
57
57
93
81
43
30
2
9
25
7
11
9
4
7
4
2
2
2
1
12
16

Precipitation Amount (mm)

0
0
0
0
0
0.8
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
16
16
15
14
13
12
12
11
11
11
11
10
11
11
11
11
11
11
14
15
17
18

Feels Like (°C)

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

Dew Point (°C)

4
6
7
7
7
7
9
10
10
10
10
10
10
10
10
10
10
10
10
10
11
11
12
12

Relative Humidity (%)

44
47
55
56
59
63
79
87
89
88
91
95
96
98
96
95
95
93
93
92
84
78
71
69

Pressure (mb)

1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1016
1016
1015
1015
1015
1014

Ozone (du)

340
340
339
337
338
339
343
350
358
365
368
372
376
376
375
373
371
372
373
374
375
375
376
375

Wednesday 29

Waxing Gibbous 98%

18:18

05:16

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 OK
08 OK
09 OK
10 OK
11 OK
12 Bad

Sun - Rise: 06:08, Set: 19:59, Transit: 13:04. Moon - Rise: 18:18, Set: 05:16. Civil Dark: 20:28 - 05:39. Nautical Dark: 21:03 - 05:04. Astro Dark: 21:41 - 04:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
72
40
10
13
18
24
34
45

Low Clouds (% Sky Obscured)

75
64
47
45
37
29
20
27
34
41
43
45
47
49
50
54
54
40
10
11
16
23
34
43

Medium Clouds (% Sky Obscured)

9
15
25
37
34
31
22
38
46
54
53
57
61
55
50
46
31
15
0
0
0
4
6
4

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
95
89
84
56
28
1
23
37
24
6
4
2
9
18
24
34
33

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
7
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

19
19
18
16
21
29
38
44
48
43
45
49
52
61
76
93
82
66
33
25
15
0
4
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.8
0.6
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
20
20
20
19
17
16
14
13
12
11
11
10
9
8
7
7
6
6
8
9
12
13

Feels Like (°C)

16
16
20
19
19
19
19
18
13
13
12
12
12
11
7
6
6
6
5
5
4
5
5
6

Dew Point (°C)

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

Relative Humidity (%)

68
67
65
62
60
66
74
82
82
81
81
84
87
90
90
90
90
87
84
81
71
64
57
55

Pressure (mb)

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

Ozone (du)

375
374
373
371
370
370
369
369
370
371
371
370
368
367
369
370
372
373
375
376
377
378
379
381

Thursday 30

Waxing Gibbous 100%

19:21

05:41

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

Sun - Rise: 06:07, Set: 20:00, Transit: 13:04. Moon - Rise: 19:21, Set: 05:41. Civil Dark: 20:29 - 05:38. Nautical Dark: 21:04 - 05:03. Astro Dark: 21:42 - 04:25

Total Clouds (% Sky Obscured)

55
50
45
41
52
65
76
66
58
49
65
51
46
30
17
8
9
10
6

Low Clouds (% Sky Obscured)

50
46
44
41
50
54
58
54
49
45
30
15
2
18
17
8
9
10
6

Medium Clouds (% Sky Obscured)

3
2
1
0
1
2
2
8
14
18
25
33
27
30
17
8
9
10
6

High Clouds (% Sky Obscured)

0
1
2
3
2
1
0
1
2
2
17
38
46
30
17
8
9
10
6

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

4
7
6
1
2
2
0
0
0
0
0
0
0
0
0
0
27
47
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
14
16
16
15
13
12
11
10
9
8
7
7
6
6
5
6
6

Feels Like (°C)

7
7
11
11
11
11
12
13
6
6
6
5
5
5
4
3
3
2
2

Dew Point (°C)

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

Relative Humidity (%)

52
49
49
48
47
51
53
56
57
60
63
65
66
70
71
72
74
70
69

Pressure (mb)

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

Ozone (du)

384
386
395
404
412
412
412
412
410
409
407
407
407
407
404
402
400
398
397

Forecast for Marriottsville, Howard, United States of America (39.35,-76.90)

Generated: 24/04/26 13:10:48. Forecast: 24/04/26 to 30/04/26. Timezone: UTC-4.00