Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

First Quarter 55%

14:00

00:17

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
04 Bad
05 Bad
06 Bad
07 Bad
08 OK

Sun - Rise: 05:59, Set: 20:29, Transit: 13:14. Moon - Rise: 14:00, Set: 00:17. Civil Dark: 21:00 - 05:29. Nautical Dark: 21:38 - 04:50. Astro Dark: 22:20 - 04:08

Total Clouds (% Sky Obscured)

99
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
66
52
44
48
34
23

Low Clouds (% Sky Obscured)

68
59
46
36
55
35
32
44
67
62
44
55
46
64
59
76
70
66
66
52
44
48
34
23

Medium Clouds (% Sky Obscured)

19
29
57
35
74
86
97
83
58
63
81
97
70
86
99
75
51
34
0
17
12
0
0
0

High Clouds (% Sky Obscured)

95
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
80
46
4
5
3
0
0

ISS Passover

Visibility (miles)

9
9
5
9
3
9
9
1
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
52
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

23
30
0
63
60
42
95
95
95
95
95
95
52
73
54
95
95
61
37
21
25
6
32
23

Precipitation Amount (mm)

0
0
0.3
0.3
0.3
0
0.7
0.7
1.8
4.8
1.8
0.5
0
0
0
5.6
5.6
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
7
8
8
8
12
13
11
11
9
8
6
8
8
6
6
6
6
6
5
6
8

Chance of Frost

Temperature (°C)

26
27
28
29
30
31
31
30
30
26
25
24
25
25
26
26
25
24
24
24
24
23
24
24

Feels Like (°C)

28
29
29
30
32
33
32
30
28
25
24
23
25
27
26
26
26
25
25
25
27
26
26
27

Dew Point (°C)

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

Relative Humidity (%)

91
82
73
68
74
73
76
85
85
76
69
62
73
88
94
92
89
92
92
97
97
98
95
84

Pressure (mb)

1010
1010
1009
1009
1009
1009
1007
1007
1007
1007
1006
1007
1007
1007
1007
1006
1006
1006
1007
1007
1007
1008
1008
1009

Ozone (du)

311
309
310
310
311
312
311
311
313
317
318
320
318
320
323
322
323
325
330
332
340
342
343
342

Wednesday 22

Waxing Gibbous 65%

15:03

00:47

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

Sun - Rise: 06:00, Set: 20:28, Transit: 13:14. Moon - Rise: 15:03, Set: 00:47. Civil Dark: 20:59 - 05:29. Nautical Dark: 21:37 - 04:51. Astro Dark: 22:19 - 04:09

Total Clouds (% Sky Obscured)

33
33
42
44
51
46
47
54
61
52
48
69
50
54
56
61
60
44
17
30
35
34
30
0

Low Clouds (% Sky Obscured)

33
33
32
24
15
26
31
32
31
33
0
0
0
0
0
4
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
8
24
16
22
26
19
18
25
43
36
37
32
36
30
10
0
21
30
29
17
0

High Clouds (% Sky Obscured)

2
6
7
44
51
37
12
3
4
2
0
0
0
0
56
7
60
44
17
30
35
34
30
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 (%)

12
7
9
4
1
0
0
1
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
11
11
11
11
12
11
10
10
9
7
7
6
6
7
7
7
7
7
6
5
5
4
6

Chance of Frost

Temperature (°C)

25
26
26
27
28
29
29
29
29
29
28
25
23
22
22
21
20
19
18
17
17
16
16
18

Feels Like (°C)

27
26
26
27
27
27
29
30
28
28
28
24
22
21
20
18
17
17
16
17
15
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

71
63
55
51
47
46
50
48
46
54
57
55
52
53
52
52
52
58
62
70
74
75
74
66

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1014
1015
1016
1016
1016
1017
1017
1018
1018
1019
1020
1021

Ozone (du)

336
330
330
327
324
322
320
317
316
317
318
318
318
318
320
320
322
324
325
324
324
326
330
333

Thursday 23

Waxing Gibbous 74%

16:06

01:21

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

Sun - Rise: 06:01, Set: 20:27, Transit: 13:14. Moon - Rise: 16:06, Set: 01:21. Civil Dark: 20:58 - 05:30. Nautical Dark: 21:36 - 04:53. Astro Dark: 22:18 - 04:11

Total Clouds (% Sky Obscured)

0
0
0
6
11
6
9
10
5
1
0
0
0
0
0
4
75
75
80
74
51
93
100
36

Low Clouds (% Sky Obscured)

0
0
0
6
11
6
9
10
5
1
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
0
0
0
0
0
0
0
0
4
75
75
80
74
51
93
100
27

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)

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

Chance of Frost

Temperature (°C)

19
21
23
24
25
26
26
27
27
26
25
23
21
19
19
18
18
18
17
17
16
16
17
17

Feels Like (°C)

18
20
22
24
25
26
26
27
26
26
26
24
22
20
20
19
19
17
17
17
17
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

55
46
40
34
31
30
28
28
29
32
42
50
52
53
53
53
57
64
77
86
90
90
87
78

Pressure (mb)

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

Ozone (du)

333
331
330
331
330
336
340
337
338
341
344
339
330
326
323
321
318
316
315
314
313
312
311
311

Friday 24

Waxing Gibbous 82%

17:06

02:03

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:02, Set: 20:26, Transit: 13:14. Moon - Rise: 17:06, Set: 02:03. Civil Dark: 20:57 - 05:31. Nautical Dark: 21:35 - 04:54. Astro Dark: 22:17 - 04:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
98
93
87
81
83
87
90
85
83
77
82
79
76
81

Low Clouds (% Sky Obscured)

0
0
0
0
0
4
7
11
7
4
0
3
43
39
29
28
9
15
18
9
7
3
5
13

Medium Clouds (% Sky Obscured)

0
0
39
54
75
75
80
75
80
80
88
84
83
81
83
87
90
85
83
77
82
79
76
81

High Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
99
99
98
93
86
80
75
75
75
40
74
0
0
0
0
7

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
2
3
3
2
3
2
2
1
5
20
3
2
1
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
5
6
7
8
8
7
7
7
7
6
6
6
6
5
4
4
3
3
3
2
3
4
3

Chance of Frost

Temperature (°C)

19
22
24
25
26
26
26
27
27
25
24
23
21
20
19
18
18
18
18
18
17
18
19
20

Feels Like (°C)

21
21
23
23
24
24
25
25
25
23
22
21
19
19
18
18
18
18
19
18
18
18
18
19

Dew Point (°C)

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

Relative Humidity (%)

66
52
44
40
36
34
33
38
44
42
45
47
51
59
65
69
71
73
74
81
82
81
81
77

Pressure (mb)

1023
1023
1022
1022
1021
1021
1020
1020
1020
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1019
1019

Ozone (du)

313
312
311
310
309
309
308
307
308
306
305
305
304
303
301
302
301
302
304
305
308
309
310
314

Saturday 25

Waxing Gibbous 89%

18:02

02:52

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

Sun - Rise: 06:03, Set: 20:26, Transit: 13:14. Moon - Rise: 18:02, Set: 02:52. Civil Dark: 20:56 - 05:32. Nautical Dark: 21:34 - 04:55. Astro Dark: 22:15 - 04:13

Total Clouds (% Sky Obscured)

87
95
94
80
65
55
44
33
33
43
43
34
27
19
19
13
16
11
10
5
12
20
37
43

Low Clouds (% Sky Obscured)

22
34
30
25
17
10
9
5
9
12
17
9
5
0
0
1
1
5
10
5
12
11
0
17

Medium Clouds (% Sky Obscured)

87
86
84
52
28
25
19
18
20
26
29
25
24
19
19
13
16
11
10
5
12
19
14
13

High Clouds (% Sky Obscured)

17
33
33
38
36
30
19
4
2
1
0
0
3
4
14
13
16
11
10
0
8
12
33
14

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
65
59
49
41
38
36
36
37
48
62
66
69
73
72
74
75
76
77
78
74
71
68

Pressure (mb)

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

Ozone (du)

317
319
319
317
316
312
311
312
311
312
312
312
312
312
313
312
312
311
313
314
316
318
320
322

Sunday 26

Waxing Gibbous 94%

18:51

03:47

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
04 OK
05 OK
06 OK
07 OK
08 Bad

Sun - Rise: 06:03, Set: 20:25, Transit: 13:14. Moon - Rise: 18:51, Set: 03:47. Civil Dark: 20:55 - 05:33. Nautical Dark: 21:33 - 04:56. Astro Dark: 22:14 - 04:15

Total Clouds (% Sky Obscured)

49
59
60
65
62
67
70
73
68
64
59
70
80
86
88
80
78
74
67
44
32
37
41
60

Low Clouds (% Sky Obscured)

34
51
52
53
54
49
42
35
38
42
46
38
30
22
23
25
27
18
9
0
0
0
0
14

Medium Clouds (% Sky Obscured)

10
6
3
5
5
16
45
51
51
50
46
59
74
79
75
75
71
57
36
24
26
28
27
15

High Clouds (% Sky Obscured)

7
0
0
0
0
7
14
21
13
14
18
14
9
5
1
1
0
2
4
3
8
17
25
52

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
3
5
6
8
8
6
10
12
12
12
10
1
7
10
11
12
9
0
1
1
0
17

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
24
24
26
28
29
29
28
27
27
28
28
26
26
27
26
26
26
22
23
22
21
21
20

Dew Point (°C)

15
15
16
17
18
19
18
17
16
17
18
18
18
18
19
18
18
17
17
17
17
17
17
18

Relative Humidity (%)

64
58
55
56
58
60
56
51
48
54
60
66
71
74
79
79
78
77
80
82
85
84
81
80

Pressure (mb)

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

Ozone (du)

324
325
327
326
325
325
328
331
335
335
335
334
333
333
332
333
334
335
332
330
327
326
324
323

Monday 27

Waxing Gibbous 98%

19:34

04:48

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

Sun - Rise: 06:04, Set: 20:24, Transit: 13:14. Moon - Rise: 19:34, Set: 04:48. Civil Dark: 20:54 - 05:34. Nautical Dark: 21:31 - 04:57. Astro Dark: 22:13 - 04:16

Total Clouds (% Sky Obscured)

79
98
90
82
77
83
89
90
95
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
43
51
58
64
62
60
58
57
56
55
58
61
64
69
74
80

Medium Clouds (% Sky Obscured)

10
10
7
7
10
17
21
19
18
18
21
42
63
80
66
48
27

High Clouds (% Sky Obscured)

75
91
80
77
77
80
83
88
93
97
100
100
100
100
100
99
98

ISS Passover

Visibility (miles)

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

Fog (%)

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

22
15
33
42
49
52
52
50
78
95
95
95
95
93
86
86
90

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.7
1
1.2
0.6
0.6
0.5
0.6
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
24
25
26
27
27
27
27
27
26
25
23
23
22
22
21
21

Feels Like (°C)

24
24
24
23
24
24
30
29
29
28
28
27
23
23
24
24
23

Dew Point (°C)

17
17
17
16
16
15
16
18
19
20
21
21
21
21
21
21
20

Relative Humidity (%)

73
66
62
55
51
47
51
56
63
70
78
87
89
91
95
95
95

Pressure (mb)

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

Ozone (du)

320
317
314
312
310
308
307
306
305
304
303
303
302
302
301
300
299

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

Generated: 21/07/26 09:45:58. Forecast: 21/07/26 to 27/07/26. Timezone: UTC-4.00