Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 24

Waxing Gibbous 60%

12:51

03:21

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

Sun - Rise: 06:16, Set: 19:54, Transit: 13:05. Moon - Rise: 12:51, Set: 03:21. Civil Dark: 20:23 - 05:48. Nautical Dark: 20:57 - 05:13. Astro Dark: 21:34 - 04:37

Total Clouds (% Sky Obscured)

27
51
61
45
29
39
42
49
90
96
54
66
67
80
76
59
80
84
87
74
72
97
63
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
23
29
47
0
37
30
69
58
41
36
4
9
20
30
50
19
58

Medium Clouds (% Sky Obscured)

3
5
25
6
13
15
14
9
89
78
26
18
12
80
76
16
36
84
87
35
53
63
8
8

High Clouds (% Sky Obscured)

27
51
61
18
1
0
0
1
9
76
39
21
30
37
2
22
55
43
4
36
38
61
48
34

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
1
9
9
6
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
Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
3
1
24
36
89
67
64
92
95
64
63
73
22
7
9
4
2
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
1.2
0.4
0.5
0.9
1.4
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
14
15
19
22
23
25
25
26
22
22
24
25
25
24
22
20
19
18
17
16
15
13

Feels Like (°C)

14
13
13
14
18
22
24
25
26
26
21
21
25
26
25
24
23
22
19
17
17
16
14
13

Dew Point (°C)

10
11
11
11
14
15
15
16
16
16
11
11
16
20
24
23
21
19
17
17
16
15
14
12

Relative Humidity (%)

76
79
82
80
75
66
60
57
56
54
50
48
60
73
94
92
94
93
92
93
95
95
93
95

Pressure (mb)

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

Ozone (du)

353
355
356
356
356
355
355
354
353
350
350
351
352
349
353
355
356
355
356
355
355
353
351
350

Saturday 25

Waxing Gibbous 71%

14:01

03:47

04 Bad
05 Bad
06 Bad
07 Bad
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

Sun - Rise: 06:15, Set: 19:55, Transit: 13:05. Moon - Rise: 14:01, Set: 03:47. Civil Dark: 20:24 - 05:46. Nautical Dark: 20:58 - 05:12. Astro Dark: 21:35 - 04:35

Total Clouds (% Sky Obscured)

100
84
96
91
100
100
100
100
100
100
100
100
96
100
90
100
100
96
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

11
49
81
85
80
88
90
95
93
84
72
72
60
60
53
88
77
84
91
96
100
100
100
100

Medium Clouds (% Sky Obscured)

79
52
85
86
98
71
83
95
99
100
97
92
95
74
69
89
54
57
53
51
56
37
27
41

High Clouds (% Sky Obscured)

100
82
35
29
58
99
100
100
100
100
100
100
54
100
71
100
100
62
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
9
9
9
9
9
5
3
2
2
6
1
1
7
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
2
12
6
5
8
12
18
26
43
45
46
88
95
95
95
63
56
40
21
20
8
7
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
1.1
1.4
0.8
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
90
92
92
90
89
86
85
86
93
95
95
96
96
96
96
96
96
95
93

Pressure (mb)

1009
1010
1010
1010
1010
1010
1011
1011
1010
1010
1010
1009
1009
1009
1009
1010
1011
1012
1012
1013
1013
1014
1014
1014

Ozone (du)

351
351
351
351
351
351
352
352
353
352
352
351
350
348
349
349
350
351
351
353
355
356
359
361

Sunday 26

Waxing Gibbous 80%

15:08

No Set

04 Bad
05 Bad
06 Bad
07 Bad
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 OK
23 OK
00 Good
01 Bad
02 OK
03 Good

Sun - Rise: 06:13, Set: 19:56, Transit: 13:05. Moon - Rise: 15:08, Set: No Set. Civil Dark: 20:25 - 05:45. Nautical Dark: 20:59 - 05:10. Astro Dark: 21:36 - 04:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
78
64
73
70
71
71
85
82
39
28
2
60
19
10

Low Clouds (% Sky Obscured)

100
100
100
100
100
83
86
51
69
77
78
64
73
70
71
71
85
53
34
0
0
0
0
0

Medium Clouds (% Sky Obscured)

18
2
3
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)

93
81
72
60
41
70
70
70
70
70
17
0
0
0
0
0
0
10
1
10
0
51
19
10

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 (%)

9
18
3
1
0
0
0
1
3
2
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
10
9
8
8
9
9
9
8
8
8
8
8
7
7
6
4
5
5
4
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
90
90
90
88
85
84
80
72
67
66
70
68
67
66
68
75
84
87
85
82
82

Pressure (mb)

1015
1016
1017
1018
1019
1019
1020
1020
1020
1020
1020
1020
1019
1020
1020
1020
1021
1022
1022
1023
1024
1024
1024
1024

Ozone (du)

365
369
370
371
371
372
373
373
376
377
376
378
380
383
385
383
381
379
379
377
378
376
374
372

Monday 27

Waxing Gibbous 88%

16:13

04:10

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

Sun - Rise: 06:12, Set: 19:57, Transit: 13:05. Moon - Rise: 16:13, Set: 04:10. Civil Dark: 20:26 - 05:43. Nautical Dark: 21:01 - 05:09. Astro Dark: 21:38 - 04:31

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
2
15
15
30
35
40
50
55
7
3
4
2
3
28
56

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
1
2
2
15
15
30
35
40
50
55
7
3
4
2
3
18
34

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)

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

Chance of Frost

Temperature (°C)

6
5
6
7
8
10
13
15
16
17
18
18
18
18
17
15
14
13
11
10
9
8
7
7

Feels Like (°C)

5
5
5
5
6
9
11
13
15
15
16
14
14
15
13
13
11
9
9
9
9
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

81
82
82
81
69
59
53
47
44
41
40
40
43
46
52
58
62
66
70
73
77
81
84
87

Pressure (mb)

1024
1024
1025
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1025
1025
1026
1025
1025
1025
1025
1025

Ozone (du)

370
368
367
365
365
364
363
361
359
357
355
356
356
355
356
356
354
354
354
352
348
344
343
342

Tuesday 28

Waxing Gibbous 94%

17:16

04:32

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

Sun - Rise: 06:11, Set: 19:58, Transit: 13:04. Moon - Rise: 17:16, Set: 04:32. Civil Dark: 20:27 - 05:42. Nautical Dark: 21:02 - 05:07. Astro Dark: 21:39 - 04:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
94
87
80
68
55
41
54
66
79
79
80

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
16
32
48
52
56
60
50
40
31
42
54
66
63
59

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
22
50
88
88
74
59
61
63
65
53
40
25
27
31
34
41
48

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
85
70
55
45
35
25
17
10
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
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
17
39
21
35
43
48
86
66
2
4
5
3
4
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
6
7
8
10
12
14
15
16
17
17
16
16
15
14
13
12
11
11
11
11
11
11

Feels Like (°C)

5
3
4
4
5
7
8
10
12
13
13
13
13
14
12
11
10
9
9
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

90
90
93
93
84
78
68
61
55
51
47
47
66
64
66
71
74
80
84
88
90
90
90
91

Pressure (mb)

1025
1024
1025
1024
1024
1023
1023
1023
1022
1021
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016

Ozone (du)

344
344
341
339
340
335
337
336
337
336
337
337
338
337
340
340
339
341
344
347
350
352
355
355

Wednesday 29

Waxing Gibbous 98%

18:18

04:53

04 Bad
05 Bad
06 Bad
07 Bad
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

Sun - Rise: 06:10, Set: 19:59, Transit: 13:04. Moon - Rise: 18:18, Set: 04:53. Civil Dark: 20:28 - 05:41. Nautical Dark: 21:03 - 05:06. Astro Dark: 21:41 - 04:28

Total Clouds (% Sky Obscured)

82
88
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

56
64
72
79
73
67
61
59
66
74
75
74
70
56
29
20
27
34
41
43
45
47
51
55

Medium Clouds (% Sky Obscured)

55
42
37
40
37
34
38
55
49
30
31
49
53
41
35
31
54
77
100
88
70
42
29
15

High Clouds (% Sky Obscured)

3
35
67
100
100
100
100
100
100
100
100
100
100
98
97
95
92
89
84
56
28
0
27
53

ISS Passover

Visibility (miles)

9
9
9
9
9
7
5
3
4
5
6
5
5
4
6
8
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
None
None
None
Very Light Rain

Precipitation Probability (%)

3
11
15
15
42
59
76
81
78
72
57
51
52
55
62
75
67
64
55
63
59
42
52
63

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.5
0.6
0.5
0.4
0.2
0
0.2
0.2
0
0
0
0
0
0.2
0
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
90
88
88
89
89
90
92
92
93
95
96
98
96
98
98
98
98
96
93
90
87
85

Pressure (mb)

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

Ozone (du)

356
356
355
354
352
353
354
355
356
357
359
360
361
362
361
361
360
361
362
363
363
362
361
362

Thursday 30

Waxing Gibbous 100%

19:21

05:16

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

Sun - Rise: 06:08, Set: 20:00, Transit: 13:04. Moon - Rise: 19:21, Set: 05:16. Civil Dark: 20:29 - 05:39. Nautical Dark: 21:04 - 05:04. Astro Dark: 21:42 - 04:26

Total Clouds (% Sky Obscured)

99
77
56
35
26
16
7
7
8
11
13
24
40
50
61
69
69
65
57
42
32
25

Low Clouds (% Sky Obscured)

59
57
55
35
26
16
7
7
8
11
13
24
40
50
54
58
54
49
45
30
15
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

80
54
34
13
26
16
7
7
8
0
1
2
4
2
1
0
1
2
2
9
14
25

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

Fog (%)

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

Precipitation Probability (%)

76
68
54
27
20
12
0
4
5
3
6
5
1
2
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
7
7
7
8
10
11
14
15
16
17
18
18
18
18
16
15
14
13
11
11
10

Feels Like (°C)

6
5
5
4
4
5
6
7
7
8
10
14
14
14
15
15
16
11
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

85
84
82
79
78
69
59
53
49
45
42
42
45
46
48
49
52
55
58
62
64
66

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1015
1015
1015

Ozone (du)

363
364
367
369
372
372
372
373
376
380
383
388
393
399
401
404
406
405
405
404
403
403

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

Generated: 24/04/26 04:39:33. Forecast: 24/04/26 to 30/04/26. Timezone: UTC-4.00