Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

New Moon 1%

07:13

19:30

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Bad

Sun - Rise: 06:46, Set: 19:21, Transit: 13:03. Moon - Rise: 07:13, Set: 19:30. Civil Dark: 19:48 - 06:19. Nautical Dark: 20:22 - 05:47. Astro Dark: 20:55 - 05:14

Total Clouds (% Sky Obscured)

82
75
80
98
91
100
100
100
100
100
100
100
100
100
99
98
97
99
100
73
80
69
47
68

Low Clouds (% Sky Obscured)

31
18
5
53
61
31
35
76
91
94
84
19
51
45
25
15
44
50
60
13
12
7
8
9

Medium Clouds (% Sky Obscured)

48
43
54
96
68
100
89
96
89
99
96
100
100
96
86
90
56
47
34
45
40
20
13
19

High Clouds (% Sky Obscured)

36
50
0
0
29
60
66
91
62
59
55
46
93
100
93
83
90
93
99
45
40
40
19
33

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
19
4
22
29
66
95
87
74
95
95
77
45
21
10
10
0
3
1
3
4
4
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
2.1
1.1
0.6
1.3
2
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
26
24
24
24
24
23
23
22
22
22
22
22
22
22
23
24
24
25
26
26
26
26
24

Feels Like (°C)

30
30
28
28
25
26
25
24
24
24
23
23
22
23
24
24
25
26
27
26
27
27
27
27

Dew Point (°C)

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

Relative Humidity (%)

71
72
73
75
75
79
80
83
88
87
84
83
79
75
71
66
69
70
70
68
65
62
65
73

Pressure (mb)

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

Ozone (du)

291
291
292
292
292
291
292
293
294
294
295
294
294
292
292
293
292
293
293
295
297
298
298
299

Friday 11

Waxing Crescent 3%

08:21

19:53

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:46, Set: 19:20, Transit: 13:03. Moon - Rise: 08:21, Set: 19:53. Civil Dark: 19:47 - 06:20. Nautical Dark: 20:20 - 05:48. Astro Dark: 20:53 - 05:15

Total Clouds (% Sky Obscured)

58
93
49
78
99
75
100
98
100
100
100
97
97
96
93
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
1
2
1
16
9
14
16
26
45
64
57
80
74
52
65
93
94
93
69
87
22
24
27

Medium Clouds (% Sky Obscured)

23
28
33
32
27
25
36
39
37
76
83
42
66
74
62
47
68
62
53
62
53
59
57
71

High Clouds (% Sky Obscured)

21
88
49
78
99
75
100
98
100
97
100
97
21
39
49
79
94
100
100
97
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
1
3
9
15
22
38
29
29
30
32
63
75
95
95
95
64
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
1.4
1
1.7
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
21
21
21
21
20
20
20
20
20
21
21
22
22
24
25
25
26
26
26
26
25
24

Feels Like (°C)

24
24
23
25
23
21
22
21
22
21
22
22
22
23
23
25
26
26
27
28
28
29
29
28

Dew Point (°C)

19
19
18
18
18
18
17
18
18
18
18
18
19
20
19
18
18
18
19
20
22
23
23
23

Relative Humidity (%)

80
83
81
81
81
81
82
85
88
89
88
86
86
89
81
71
64
62
67
68
78
83
87
91

Pressure (mb)

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

Ozone (du)

299
299
299
300
301
301
299
297
296
297
296
296
297
297
298
298
297
296
295
294
294
295
296
297

Saturday 12

Waxing Crescent 8%

09:28

19:53

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK

Sun - Rise: 06:47, Set: 19:18, Transit: 13:03. Moon - Rise: 09:28, Set: 19:53. Civil Dark: 19:45 - 06:20. Nautical Dark: 20:18 - 05:49. Astro Dark: 20:51 - 05:16

Total Clouds (% Sky Obscured)

100
97
100
100
100
100
98
99
100
100
100
100
100
72
72
74
85
94
85
72
56
56
37
38

Low Clouds (% Sky Obscured)

41
60
79
59
59
65
87
53
47
33
25
18
19
18
22
32
60
73
70
67
54
55
32
20

Medium Clouds (% Sky Obscured)

77
67
74
72
76
100
83
82
88
63
67
50
43
49
39
24
6
16
11
5
0
1
1
2

High Clouds (% Sky Obscured)

100
93
100
100
100
100
78
83
100
100
100
100
99
67
56
55
57
52
38
20
5
2
2
13

ISS Passover

Visibility (miles)

9
3
2
2
9
2
2
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
41
9
0
0
0
0
0
2
7
5
5
5
5
5
5
5
5
5
5
5
5

Precipitation Type

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

Precipitation Probability (%)

55
68
84
95
95
95
95
48
24
28
22
12
12
7
14
54
72
49
30
23
20
12
4
0

Precipitation Amount (mm)

0
0.2
0.6
0.9
1.2
1
0.7
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
24
23
23
23
23
23
22
22
22
22
22
23
24
25
26
27
27
27
28
28
28
27
26

Feels Like (°C)

28
27
26
26
26
25
25
24
25
25
25
24
25
26
29
29
30
30
29
29
30
30
30
30

Dew Point (°C)

23
23
23
23
22
22
22
22
22
22
22
22
22
22
21
20
19
19
18
19
19
20
20
21

Relative Humidity (%)

92
94
97
98
97
98
98
98
98
96
96
98
95
88
78
68
63
59
57
58
56
59
64
72

Pressure (mb)

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

Ozone (du)

296
296
294
293
293
292
292
292
292
294
293
292
293
292
293
293
292
291
290
291
291
291
292
293

Sunday 13

Waxing Crescent 15%

10:34

20:18

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

Sun - Rise: 06:48, Set: 19:16, Transit: 13:02. Moon - Rise: 10:34, Set: 20:18. Civil Dark: 19:43 - 06:21. Nautical Dark: 20:17 - 05:50. Astro Dark: 20:49 - 05:17

Total Clouds (% Sky Obscured)

29
19
3
25
6
14
25
45
64
60
74
69
73
100
100
100
100
100
100
100
100
74
58
45

Low Clouds (% Sky Obscured)

14
8
0
1
2
3
2
1
0
0
0
0
2
4
8
20
51
29
24
29
27
19
10
0

Medium Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
10
22
33
23
15
8
6
4
0
2
3
4

High Clouds (% Sky Obscured)

12
10
2
17
3
10
24
45
64
60
70
55
59
100
98
100
100
99
100
100
100
74
58
45

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 (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

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

Chance of Frost

Temperature (°C)

25
25
24
23
23
22
22
22
21
21
20
20
20
21
23
24
25
25
26
26
26
26
24
23

Feels Like (°C)

29
28
27
26
25
26
24
24
24
23
22
21
21
21
21
22
23
24
25
25
25
25
24
22

Dew Point (°C)

21
20
19
19
19
19
18
17
17
17
17
17
17
13
12
13
13
14
14
14
14
14
14
14

Relative Humidity (%)

77
76
75
78
80
79
79
76
77
80
82
85
82
61
50
49
48
50
46
46
46
48
53
56

Pressure (mb)

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

Ozone (du)

292
293
291
290
288
288
288
289
291
292
296
298
299
299
298
298
298
297
297
296
296
295
294
294

Monday 14

Waxing Crescent 23%

11:39

20:45

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

Sun - Rise: 06:49, Set: 19:15, Transit: 13:02. Moon - Rise: 11:39, Set: 20:45. Civil Dark: 19:42 - 06:22. Nautical Dark: 20:15 - 05:51. Astro Dark: 20:47 - 05:18

Total Clouds (% Sky Obscured)

32
40
35
49
63
78
74
70
73
85
84
72
79
86
91
87
82
79
80
79
77
61
45
31

Low Clouds (% Sky Obscured)

5
12
18
28
35
38
39
42
53
85
84
68
69
70
72
59
46
33
42
46
53
41
27
14

Medium Clouds (% Sky Obscured)

8
12
14
22
33
46
47
44
40
39
39
36
44
48
56
53
52
47
32
18
3
3
3
2

High Clouds (% Sky Obscured)

28
34
5
3
2
2
1
0
2
5
8
10
15
18
18
20
24
25
21
18
16
15
15
13

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 (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
21
19
19
19
19
18
18
18
18
17
17
17
18
18
19
19
20
21
27
27
27
27
27

Dew Point (°C)

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

Relative Humidity (%)

59
61
58
59
61
58
58
57
58
59
56
56
60
59
59
57
54
52
50
51
52
54
58
61

Pressure (mb)

1022
1023
1024
1024
1024
1025
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1025
1025

Ozone (du)

292
293
293
291
289
288
287
286
285
286
286
285
286
286
286
286
286
286
287
287
287
287
287
286

Tuesday 15

Waxing Crescent 32%

12:43

21:17

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

Sun - Rise: 06:50, Set: 19:13, Transit: 13:02. Moon - Rise: 12:43, Set: 21:17. Civil Dark: 19:40 - 06:23. Nautical Dark: 20:13 - 05:52. Astro Dark: 20:46 - 05:19

Total Clouds (% Sky Obscured)

27
18
10
15
20
5
5
4
8
5
3
2
7
11
13
11
9
6
10
14
16
26
43
59

Low Clouds (% Sky Obscured)

9
5
0
0
0
0
0
0
0
0
0
0
1
3
5
6
5
3
6
9
12
10
6
2

Medium Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
3
3
3
19
35
50

High Clouds (% Sky Obscured)

16
18
10
15
20
5
5
4
8
5
3
2
3
2
1
1
0
0
0
0
0
13
27
43

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 (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

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
1
1
37
58
75

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

Chance of Frost

Temperature (°C)

23
22
21
21
20
20
20
19
19
19
19
20
20
22
24
25
27
28
30
30
30
31
29
27

Feels Like (°C)

27
23
22
23
22
22
22
19
19
19
19
19
19
22
23
24
25
26
27
34
33
33
34
35

Dew Point (°C)

16
16
16
16
16
16
16
16
16
16
16
16
16
17
18
18
19
19
19
19
19
19
21
22

Relative Humidity (%)

65
68
72
75
76
78
81
80
81
82
81
81
80
74
69
63
60
56
53
52
51
50
61
75

Pressure (mb)

1025
1025
1025
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1021
1021
1021

Ozone (du)

285
286
288
289
288
288
288
288
288
288
289
289
289
289
289
289
289
289
288
289
289
289
289
289

Wednesday 16

Waxing Crescent 41%

13:43

21:54

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
13 Bad

Sun - Rise: 06:51, Set: 19:12, Transit: 13:01. Moon - Rise: 13:43, Set: 21:54. Civil Dark: 19:38 - 06:24. Nautical Dark: 20:12 - 05:53. Astro Dark: 20:44 - 05:21

Total Clouds (% Sky Obscured)

67
74
81
83
77
75
83
86
89
90
91
92
87
77
56
53
63
71

Low Clouds (% Sky Obscured)

2
3
4
3
2
0
7
13
20
28
35
40
43
36
34
37
40
39

Medium Clouds (% Sky Obscured)

53
60
64
43
24
6
9
12
15
27
39
74
78
68
56
53
62
71

High Clouds (% Sky Obscured)

58
71
81
83
77
75
83
86
89
84
84
76
58
46
28
29
29
32

ISS Passover

Visibility (miles)

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

Fog (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Precipitation Type

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

Precipitation Probability (%)

61
58
31
29
24
10
22
24
25
39
48
55
53
53
55
58
58
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5

Chance of Frost

Temperature (°C)

25
25
24
23
23
22
22
22
21
21
21
21
22
22
23
24
24
25

Feels Like (°C)

36
25
26
27
26
27
27
24
24
24
24
23
24
24
25
25
26
27

Dew Point (°C)

24
23
23
22
22
21
22
21
21
21
21
21
21
22
22
23
23
24

Relative Humidity (%)

91
91
92
91
92
94
95
96
96
96
96
96
96
96
95
94
94
92

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1021
1021
1021
1021
1021
1021
1020
1020

Ozone (du)

290
290
290
290
290
289
288
288
288
288
288
288
288
288
288
287
287
287

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

Generated: 10/09/26 20:09:18. Forecast: 10/09/26 to 16/09/26. Timezone: UTC-4.00