Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

First Quarter 51%

13:01

01:03

03 OK
04 OK
05 OK
06 OK
07 Good
08 OK
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

Sun - Rise: 05:41, Set: 20:38, Transit: 13:09. Moon - Rise: 13:01, Set: 01:03. Civil Dark: 21:10 - 05:08. Nautical Dark: 21:51 - 04:27. Astro Dark: 22:38 - 03:40

Total Clouds (% Sky Obscured)

36
26
32
21
1
38
71
62
100
72
100
100
99
52
73
49
86
75
77
100
95
67
65
99

Low Clouds (% Sky Obscured)

36
3
0
0
0
0
2
12
18
15
9
7
3
9
4
0
0
0
0
0
0
0
0
2

Medium Clouds (% Sky Obscured)

36
0
0
0
0
0
0
0
0
0
0
10
11
11
8
7
5
18
19
92
89
24
24
98

High Clouds (% Sky Obscured)

0
0
0
21
1
30
71
62
100
41
100
100
99
17
40
31
86
50
55
70
23
29
50
51

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 (%)

4
3
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)

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

Chance of Frost

Temperature (°C)

19
18
18
18
19
21
23
25
26
27
28
29
29
29
29
28
28
26
23
22
22
21
22
21

Feels Like (°C)

19
18
19
19
20
22
23
24
25
25
25
27
27
27
27
27
28
26
22
21
21
21
23
22

Dew Point (°C)

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

Relative Humidity (%)

82
81
88
88
82
70
63
55
49
46
42
39
37
37
36
40
50
58
58
56
57
60
63
62

Pressure (mb)

1012
1012
1013
1013
1013
1014
1014
1014
1014
1013
1013
1013
1013
1013
1014
1013
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

327
329
332
334
331
328
325
325
325
323
323
321
322
324
324
323
321
320
317
317
317
316
315
316

Monday 22

Waxing Gibbous 61%

14:04

01:25

03 Bad
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

Sun - Rise: 05:41, Set: 20:38, Transit: 13:09. Moon - Rise: 14:04, Set: 01:25. Civil Dark: 21:10 - 05:09. Nautical Dark: 21:51 - 04:28. Astro Dark: 22:38 - 03:40

Total Clouds (% Sky Obscured)

100
100
100
100
55
75
98
100
100
100
100
100
100
100
100
100
100
74
100
100
100
100
90
64

Low Clouds (% Sky Obscured)

3
0
1
17
5
50
0
35
8
32
78
46
53
41
55
47
61
54
66
61
51
66
82
49

Medium Clouds (% Sky Obscured)

96
92
91
91
55
75
75
92
95
100
100
55
90
52
55
49
62
31
37
49
40
61
67
62

High Clouds (% Sky Obscured)

100
100
100
100
50
49
89
99
100
100
100
100
100
100
100
100
100
74
100
100
100
100
20
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
7
9
9
9
9
9
9
9
9
9
5
5
7
6
6
3
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
1
6

Precipitation Type

None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Ice pellet
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
2
21
18
28
21
29
48
85
95
95
91
95
95
95
95
95
86
91
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
1.6
0.3
0.3
1.4
1.7
2.5
2.4
1
0.5
0.3
0.8
1.3
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
21
21
23
25
27
28
30
31
29
25
26
26
25
25
24
23
23
23
22
22
22

Feels Like (°C)

20
20
19
20
21
23
26
29
30
30
32
30
25
26
27
26
27
26
26
24
25
24
24
24

Dew Point (°C)

13
12
13
14
15
19
22
23
24
23
26
26
17
20
20
19
20
22
22
22
22
22
22
21

Relative Humidity (%)

61
59
63
65
67
75
79
75
77
69
75
82
62
70
69
68
76
89
92
94
97
96
98
98

Pressure (mb)

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

Ozone (du)

316
315
314
314
313
313
312
312
312
313
311
313
312
312
312
312
312
313
309
307
307
307
306
308

Tuesday 23

Waxing Gibbous 71%

15:07

01:49

03 Bad
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 OK
19 OK
20 OK
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 05:41, Set: 20:38, Transit: 13:10. Moon - Rise: 15:07, Set: 01:49. Civil Dark: 21:10 - 05:09. Nautical Dark: 21:51 - 04:28. Astro Dark: 22:38 - 03:41

Total Clouds (% Sky Obscured)

100
100
98
91
100
95
92
100
100
99
100
100
100
53
58
43
42
29
15
0
1
0
0
0

Low Clouds (% Sky Obscured)

58
66
60
61
86
91
88
78
83
67
64
67
56
45
52
17
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

57
62
61
65
74
50
11
0
0
0
0
0
3
3
5
14
22
18
10
0
1
0
0
0

High Clouds (% Sky Obscured)

100
100
91
61
100
66
32
100
100
95
95
95
90
16
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
1
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

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

Precipitation Probability (%)

95
55
38
27
30
30
4
3
4
15
18
9
7
3
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.1
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
21
20
20
20
20
20
21
22
24
24
24
25
26
26
25
24
22
21
20
19
19
18

Feels Like (°C)

24
23
22
22
21
21
21
21
21
22
24
23
24
24
26
26
27
27
25
24
22
21
20
19

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
98
96
96
96
96
93
85
72
70
74
70
65
65
67
77
81
84
84
86
86
79

Pressure (mb)

1012
1012
1012
1012
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1015
1016
1016
1016
1016
1017
1017

Ozone (du)

309
310
311
310
310
312
315
316
317
318
318
320
322
325
328
331
331
332
327
335
335
337
338
337

Wednesday 24

Waxing Gibbous 79%

16:09

02:15

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

Sun - Rise: 05:42, Set: 20:38, Transit: 13:10. Moon - Rise: 16:09, Set: 02:15. Civil Dark: 21:10 - 05:09. Nautical Dark: 21:51 - 04:28. Astro Dark: 22:38 - 03:41

Total Clouds (% Sky Obscured)

0
0
0
0
0
22
44
55
49
44
35
21
12
0
7
14
23
35
40
48
64
76
98
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
10
19
27
19
10
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
7
14
23
35
40
48
60
61
58
52

High Clouds (% Sky Obscured)

0
0
0
0
0
16
31
43
38
23
14
10
5
0
0
0
0
0
0
1
17
27
97
98

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

Chance of Frost

Temperature (°C)

17
17
16
16
17
19
21
23
24
25
26
27
27
28
28
27
26
25
23
22
21
20
20
19

Feels Like (°C)

18
17
16
17
18
19
21
23
25
26
26
27
28
28
29
29
30
28
25
24
22
22
21
19

Dew Point (°C)

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

Relative Humidity (%)

79
79
78
77
76
65
59
54
48
44
42
41
40
39
40
42
54
60
60
57
56
57
59
61

Pressure (mb)

1017
1017
1017
1018
1018
1018
1019
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

334
334
333
334
334
334
335
335
335
335
334
333
334
332
333
333
332
333
332
330
327
326
325
324

Thursday 25

Waxing Gibbous 87%

17:12

02:46

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
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

Sun - Rise: 05:42, Set: 20:38, Transit: 13:10. Moon - Rise: 17:12, Set: 02:46. Civil Dark: 21:10 - 05:10. Nautical Dark: 21:51 - 04:29. Astro Dark: 22:38 - 03:42

Total Clouds (% Sky Obscured)

99
100
98
96
93
87
82
63
45
43
39
70
82
100
88
75
62
66
68
72
73
74
69
78

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
20
28
35
36
37
37
41
40
41
33
25
22
26

Medium Clouds (% Sky Obscured)

47
43
45
55
65
66
66
63
45
43
39
25
23
22
28
33
39
48
56
62
51
41
15
7

High Clouds (% Sky Obscured)

99
100
95
91
88
76
68
28
4
3
0
16
17
23
28
33
38
46
32
4
2
4
6
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
4
4
5
5
5
4

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
3
4
40
45
49
59
68
76
73
66
57
70
71
71
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.3
0.3
0.2
0
0.3
0.3
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
18
18
19
21
22
24
26
28
29
30
28
26
24
23
23
22
21
20
20
20
20
19

Feels Like (°C)

18
18
18
18
19
21
22
24
26
28
30
31
30
29
29
27
27
25
21
22
23
23
23
22

Dew Point (°C)

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

Relative Humidity (%)

64
66
68
69
69
65
62
57
52
47
45
42
51
62
75
79
83
87
88
91
92
93
95
96

Pressure (mb)

1017
1018
1017
1018
1018
1018
1018
1018
1018
1017
1017
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

323
322
321
322
322
325
331
336
335
331
329
325
325
324
323
321
319
317
316
316
316
316
316
316

Friday 26

Waxing Gibbous 93%

18:14

No Set

03 Bad
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

Sun - Rise: 05:42, Set: 20:38, Transit: 13:10. Moon - Rise: 18:14, Set: No Set. Civil Dark: 21:10 - 05:10. Nautical Dark: 21:51 - 04:29. Astro Dark: 22:38 - 03:42

Total Clouds (% Sky Obscured)

85
100
100
100
100
100
100
100
100
100
100
84
70
59
77
89
97
98
98
99
98
98
97
95

Low Clouds (% Sky Obscured)

30
24
16
8
0
8
15
23
26
30
33
35
36
40
33
35
61
70
58
44
34
28
23
12

Medium Clouds (% Sky Obscured)

15
8
29
49
75
65
58
51
64
75
87
60
32
4
32
60
88
69
51
37
37
34
31
34

High Clouds (% Sky Obscured)

69
100
100
100
100
100
100
100
100
97
54
62
39
48
70
79
88
87
85
87
98
98
97
95

ISS Passover

Visibility (miles)

6
8
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

54
47
41
38
38
36
35
26
21
17
4
33
49
56
74
86
89
66
54
48
43
33
10
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
20
20
20
22
23
25
27
29
32
30
29
29
26
24
23
22
22
21
21
21
20

Feels Like (°C)

20
20
20
19
19
19
21
22
23
23
24
25
34
32
31
30
30
30
22
22
23
23
23
22

Dew Point (°C)

19
18
18
19
19
19
19
20
20
20
19
19
19
19
19
19
19
20
20
20
20
20
19
19

Relative Humidity (%)

96
95
96
93
93
93
85
79
73
63
54
46
50
53
55
64
72
83
87
88
92
92
92
92

Pressure (mb)

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

Ozone (du)

316
315
315
316
317
318
324
329
335
331
327
323
321
319
318
317
316
314
313
312
311
311
310
309

Saturday 27

Waxing Gibbous 97%

19:12

03:23

Sun - Rise: 05:43, Set: 20:38, Transit: 13:10. Moon - Rise: 19:12, Set: 03:23. Civil Dark: 21:10 - 05:10. Nautical Dark: 21:51 - 04:30. Astro Dark: 22:38 - 03:43

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 21/06/26 03:14:27. Forecast: 21/06/26 to 27/06/26. Timezone: UTC-4.00