Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Gibbous 99%

19:10

05:49

16 OK
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 Bad
09 OK
10 OK
11 OK
12 OK
13 OK
14 Bad
15 Bad

Sun - Rise: 06:32, Set: 19:46, Transit: 13:08. Moon - Rise: 19:10, Set: 05:49. Civil Dark: 20:14 - 06:04. Nautical Dark: 20:47 - 05:31. Astro Dark: 21:22 - 04:56

Total Clouds (% Sky Obscured)

42
65
74
100
100
100
100
78
81
62
65
84
88
80
55
42
44
42
42
40
35
28
74
100

Low Clouds (% Sky Obscured)

8
0
6
2
3
0
2
2
3
13
28
61
77
80
31
11
11
12
13
12
8
12
59
91

Medium Clouds (% Sky Obscured)

32
29
74
74
29
48
62
76
80
48
46
41
41
24
38
37
35
35
34
22
1
1
5
34

High Clouds (% Sky Obscured)

42
65
74
100
100
100
100
45
45
14
2
33
0
0
0
0
3
11
37
40
33
1
55
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
5
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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
11
37
31
18
12
4
3
1
0
0
0
0
9
20
26
61

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

29
28
27
24
22
21
21
21
21
21
23
22
22
22
22
23
25
25
26
28
29
31
32
30

Dew Point (°C)

12
11
13
13
14
13
15
16
16
17
19
19
19
19
19
19
20
19
17
16
16
16
15
14

Relative Humidity (%)

32
33
41
46
54
54
61
66
69
75
91
93
92
92
93
95
89
80
65
55
49
44
39
38

Pressure (mb)

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

Ozone (du)

301
302
305
306
306
306
305
303
301
302
303
304
303
305
305
306
306
308
308
309
310
311
312
309

Thursday 27

Waxing Gibbous 100%

19:35

06:53

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:33, Set: 19:45, Transit: 13:08. Moon - Rise: 19:35, Set: 06:53. Civil Dark: 20:13 - 06:05. Nautical Dark: 20:46 - 05:32. Astro Dark: 21:20 - 04:58

Total Clouds (% Sky Obscured)

97
55
100
100
66
100
100
55
80
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
18
91
67
33
26
26
24
40
14
3
3
3
2
10
10
11
20
16
17
8
19
34
38

Medium Clouds (% Sky Obscured)

21
27
60
37
25
57
40
28
40
2
1
0
52
54
54
49
65
63
63
27
9
20
30
17

High Clouds (% Sky Obscured)

60
55
100
100
66
100
100
55
79
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
0
2
9
2
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
41
54
100
95
98
14
5
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
93
95
72
95
95
29
7
1
5
3
12
27
11
5
26
64
59
71
45
72

Precipitation Amount (mm)

1.5
2.9
8
0.9
0.3
4.6
0
3.8
4.9
0
0
0
0
0
0
0
0
0
0
0.6
0.3
0.3
0
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

30
25
25
24
24
25
23
23
24
24
23
23
22
23
22
21
22
24
25
27
28
28
28
29

Dew Point (°C)

16
17
20
22
21
21
21
21
20
20
20
20
20
20
19
19
19
20
19
18
17
17
16
17

Relative Humidity (%)

45
54
76
94
95
96
96
96
95
95
95
95
96
95
95
93
91
85
77
66
59
55
51
54

Pressure (mb)

1013
1012
1013
1015
1014
1015
1016
1015
1016
1015
1015
1015
1015
1015
1015
1016
1017
1017
1017
1018
1017
1017
1017
1017

Ozone (du)

307
306
297
301
302
301
301
301
300
301
299
299
298
298
299
298
299
299
298
298
299
298
299
299

Friday 28

Full Moon 99%

19:58

07:59

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
13 OK
14 OK
15 OK

Sun - Rise: 06:34, Set: 19:43, Transit: 13:08. Moon - Rise: 19:58, Set: 07:59. Civil Dark: 20:11 - 06:06. Nautical Dark: 20:44 - 05:33. Astro Dark: 21:19 - 04:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
90
77
82
98
83
70
52
29
26
27

Low Clouds (% Sky Obscured)

54
60
26
20
47
2
17
20
18
17
15
18
78
74
49
28
40
86
49
22
18
21
21
21

Medium Clouds (% Sky Obscured)

1
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
90
70
70
65
55
55
35
0
0
0

ISS Passover

Visibility (miles)

9
5
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

76
88
90
29
5
5
0
1
9
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.5
0.7
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
3
3
3
3
3
4
4
4
5
4
4
4
4
6
6
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

28
28
27
26
25
24
24
23
23
22
21
20
19
19
19
19
22
23
24
26
29
30
32
32

Dew Point (°C)

17
21
21
21
20
19
20
19
19
19
18
18
17
17
16
16
17
17
16
15
15
14
14
14

Relative Humidity (%)

56
75
80
85
87
85
88
88
91
91
89
91
86
85
85
85
81
71
63
55
49
46
43
42

Pressure (mb)

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

Ozone (du)

300
300
301
302
301
301
302
302
302
300
300
300
302
305
307
309
310
309
308
307
307
308
307
307

Saturday 29

Waning Gibbous 95%

20:20

09:05

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

Sun - Rise: 06:35, Set: 19:42, Transit: 13:07. Moon - Rise: 20:20, Set: 09:05. Civil Dark: 20:09 - 06:07. Nautical Dark: 20:42 - 05:34. Astro Dark: 21:17 - 05:00

Total Clouds (% Sky Obscured)

35
17
8
37
2
4
6
6
10
25
61
46
62
55
62
60
45
47
25
24
44
55
55
49

Low Clouds (% Sky Obscured)

34
16
6
0
0
0
3
3
7
15
34
46
62
55
62
60
41
21
0
7
13
16
12
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
3
10
34
2
2
0
0
0
0
0
0
6
11
15
17
20

High Clouds (% Sky Obscured)

0
0
1
36
2
4
1
2
2
0
0
0
0
2
2
2
4
47
25
20
36
11
21
5

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

Chance of Frost

Temperature (°C)

28
28
27
26
24
23
22
21
21
21
20
20
20
19
20
20
21
23
24
26
27
28
29
30

Feels Like (°C)

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

Dew Point (°C)

14
15
15
17
17
16
16
15
16
17
17
17
18
18
19
19
19
19
19
19
18
17
16
15

Relative Humidity (%)

42
44
48
59
63
65
66
66
71
79
80
84
91
93
95
95
86
79
71
64
56
51
46
40

Pressure (mb)

1020
1020
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1021
1021
1021
1020
1020
1019

Ozone (du)

308
309
310
311
311
310
312
311
311
310
309
306
305
304
303
301
300
300
300
299
299
297
296
296

Sunday 30

Waning Gibbous 89%

20:44

10:13

16 OK
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 Bad
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:36, Set: 19:40, Transit: 13:07. Moon - Rise: 20:44, Set: 10:13. Civil Dark: 20:08 - 06:08. Nautical Dark: 20:41 - 05:35. Astro Dark: 21:15 - 05:01

Total Clouds (% Sky Obscured)

47
50
59
65
55
68
71
73
75
77
66
55
27
50
47
41
46
51
57
64
70
75
66
62

Low Clouds (% Sky Obscured)

13
10
5
0
0
0
0
9
15
20
13
9
0
0
0
0
1
2
3
10
17
24
16
9

Medium Clouds (% Sky Obscured)

19
19
19
22
23
27
28
73
75
77
66
55
2
32
17
2
16
32
46
43
39
37
40
43

High Clouds (% Sky Obscured)

3
27
44
55
36
54
52
45
43
12
27
17
24
29
35
41
35
25
14
23
32
41
44
47

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
10
15
17
12
8
1
3
3

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

Chance of Frost

Temperature (°C)

30
30
29
28
26
25
24
23
23
23
22
22
22
21
22
22
23
25
26
28
29
31
32
32

Feels Like (°C)

33
33
32
30
28
27
25
24
24
24
24
24
23
25
23
24
26
26
28
29
29
29
29
34

Dew Point (°C)

14
14
16
17
17
16
16
16
16
17
17
17
17
17
17
16
16
16
17
18
18
18
18
18

Relative Humidity (%)

36
35
44
51
55
57
60
63
64
71
72
73
72
76
73
69
64
60
56
52
49
46
43
42

Pressure (mb)

1018
1018
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

295
294
293
293
292
293
294
294
293
293
292
291
290
290
290
290
289
288
288
287
285
284
283
282

Monday 31

Waning Gibbous 81%

21:09

11:24

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

Sun - Rise: 06:36, Set: 19:39, Transit: 13:07. Moon - Rise: 21:09, Set: 11:24. Civil Dark: 20:06 - 06:09. Nautical Dark: 20:39 - 05:36. Astro Dark: 21:13 - 05:02

Total Clouds (% Sky Obscured)

61
58
56
46
36
30
28
37
46
51
43
36
32
24
15
19
31
44
56
52
49
50
55
64

Low Clouds (% Sky Obscured)

1
16
28
29
19
12
7
11
12
6
3
2
1
1
0
0
0
0
0
4
9
16
19
21

Medium Clouds (% Sky Obscured)

46
46
48
46
36
30
28
37
46
51
43
36
32
24
15
4
6
8
12
18
21
24
23
21

High Clouds (% Sky Obscured)

55
55
55
46
36
30
28
37
26
20
27
13
15
22
15
19
30
37
41
29
14
4
24
38

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 (%)

1
9
14
16
19
19
14
12
9
2
1
1
0
0
0
0
0
0
0
0
0
0
0
1

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

Chance of Frost

Temperature (°C)

32
32
30
29
27
27
26
25
25
25
24
24
24
24
24
25
25
27
29
31
32
34
35
35

Feels Like (°C)

33
32
33
33
34
27
27
28
28
28
28
26
26
26
26
25
25
28
28
29
30
30
30
38

Dew Point (°C)

18
17
18
18
19
19
18
18
19
19
20
20
20
19
19
19
19
19
19
19
18
18
17
17

Relative Humidity (%)

42
41
47
53
60
61
62
62
68
72
77
75
77
75
73
71
69
60
53
47
43
39
35
34

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014

Ozone (du)

282
281
281
281
281
281
281
281
280
280
279
280
280
281
281
281
282
282
282
282
281
281
281
281

Tuesday 1

Waning Gibbous 72%

21:40

12:37

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
13 Bad

Sun - Rise: 06:37, Set: 19:37, Transit: 13:06. Moon - Rise: 21:40, Set: 12:37. Civil Dark: 20:05 - 06:10. Nautical Dark: 20:37 - 05:37. Astro Dark: 21:11 - 05:04

Total Clouds (% Sky Obscured)

55
40
42
50
59
68
78
76
73
71
73
73
74
74
74
74
68
66
73
77
72
73

Low Clouds (% Sky Obscured)

23
17
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
7

Medium Clouds (% Sky Obscured)

14
13
11
12
14
14
16
18
20
23
17
12
5
3
2
0
0
1
2
1
1
0

High Clouds (% Sky Obscured)

50
37
33
32
44
54
69
76
64
68
73
73
74
72
73
73
68
66
73
76
72
70

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

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
4
4
2
3
2
0
18
22
17
14
9
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

35
35
33
31
30
29
29
28
28
27
26
26
25
25
25
25
25
27
28
30
32
33

Feels Like (°C)

37
36
36
38
38
29
30
30
30
30
29
27
27
28
28
27
27
28
29
31
31
32

Dew Point (°C)

17
17
17
18
18
18
18
18
18
18
18
18
18
18
19
20
20
21
21
22
20
19

Relative Humidity (%)

34
34
38
43
49
50
51
52
55
57
60
63
65
68
71
73
77
71
65
61
50
42

Pressure (mb)

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

Ozone (du)

281
282
282
281
281
282
282
282
281
280
279
279
279
279
280
281
281
282
282
283
282
282

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

Generated: 26/08/26 16:12:47. Forecast: 26/08/26 to 01/09/26. Timezone: UTC-4.00