Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waning Gibbous 95%

20:20

09:05

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

40
43
46
18
29
94
100
92
41
26
34
34
34
79
95
94
55
51
44
39
47
76
90
31

Low Clouds (% Sky Obscured)

40
43
22
0
4
37
18
16
13
13
15
16
14
58
47
21
14
13
12
8
7
10
84
9

Medium Clouds (% Sky Obscured)

16
13
10
16
26
30
43
35
30
17
21
11
13
30
35
35
39
40
35
39
31
21
44
28

High Clouds (% Sky Obscured)

0
0
0
3
2
79
100
50
3
0
0
2
2
20
50
54
15
17
8
4
14
40
3
3

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
1
0
0
0
0
4
2
1
11

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
45
54
60
65
67
66
69
73
80
88
93
95
95
93
88
80
69
60
52
46
44
42
45

Pressure (mb)

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

Ozone (du)

306
307
308
306
305
303
301
300
299
298
299
298
297
297
298
299
299
299
299
299
298
297
297
297

Sunday 30

Waning Gibbous 89%

20:44

10:13

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

84
68
77
96
91
96
100
65
59
87
83
84
88
65
39
27
38
57
100
89
76
92
68
91

Low Clouds (% Sky Obscured)

71
68
7
31
46
47
8
15
9
0
37
7
12
16
4
1
0
7
23
15
7
15
3
14

Medium Clouds (% Sky Obscured)

70
59
29
60
87
91
98
58
31
43
77
62
78
47
30
22
29
32
34
80
61
85
66
83

High Clouds (% Sky Obscured)

2
2
35
34
21
18
71
65
59
44
24
35
12
8
1
2
2
35
99
30
14
11
30
30

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 (%)

19
17
1
10
30
27
13
15
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

32
31
30
29
28
27
26
26
26
26
24
24
24
23
24
27
29
32
33
32
32
32
31
32

Dew Point (°C)

15
19
22
22
22
21
21
21
21
21
21
20
20
20
20
20
21
21
19
19
19
18
19
22

Relative Humidity (%)

39
52
67
74
76
79
82
83
87
87
88
88
91
91
91
85
77
67
56
52
50
47
52
61

Pressure (mb)

1017
1017
1017
1018
1018
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1019
1019
1019
1018

Ozone (du)

296
296
295
295
294
294
294
292
291
290
290
289
288
288
287
287
286
286
286
286
285
286
286
286

Monday 31

Waning Gibbous 81%

21:09

11:24

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
16 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)

98
65
76
89
78
83
80
59
83
76
68
57
65
100
100
61
74
79
88
85
76
80
95
95

Low Clouds (% Sky Obscured)

11
5
36
25
0
10
8
12
74
3
0
0
7
4
6
0
2
0
0
0
0
3
6
17

Medium Clouds (% Sky Obscured)

69
59
56
54
41
71
59
43
75
68
39
50
61
100
100
59
74
60
70
41
38
27
14
2

High Clouds (% Sky Obscured)

81
26
4
47
57
15
21
5
45
22
27
9
25
46
48
12
12
50
75
72
61
68
90
94

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
1
0
0
1
4
17
3
0
0
0
1
0
0
0
0
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

30
29
28
26
25
25
25
25
24
24
23
23
22
22
22
23
25
27
29
30
32
33
34
34

Feels Like (°C)

32
31
31
29
27
27
27
27
26
26
25
25
25
24
23
25
27
29
30
30
32
34
34
34

Dew Point (°C)

23
21
21
20
20
20
20
20
20
21
21
21
21
20
20
20
20
23
19
19
19
18
18
17

Relative Humidity (%)

66
61
65
68
72
74
73
74
78
83
89
89
91
85
84
83
72
77
53
51
45
41
38
35

Pressure (mb)

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

Ozone (du)

285
284
284
284
284
284
283
282
282
283
283
284
283
283
283
283
284
285
286
285
285
285
285
285

Tuesday 1

Waning Gibbous 72%

21:40

12:37

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
16 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)

87
47
55
48
65
75
81
86
92
84
72
70
70
66
61
65
71
79
84
92
92
95
92
100

Low Clouds (% Sky Obscured)

32
3
3
18
0
0
0
0
0
0
0
0
0
0
0
0
3
2
10
21
23
16
15
11

Medium Clouds (% Sky Obscured)

5
1
2
12
23
33
38
43
47
43
56
33
50
25
28
24
34
61
62
57
6
10
8
4

High Clouds (% Sky Obscured)

86
44
53
26
42
36
32
31
35
40
31
49
46
52
54
57
67
75
73
88
63
79
60
98

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
1
2
1
1
11
3
6
5
7
5
1
2
59
72
62
12
2
11
16
18
19
19
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.8
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

34
32
31
29
28
28
27
27
27
26
26
26
26
26
25
25
27
28
30
31
32
33
33
34

Feels Like (°C)

34
33
32
30
30
29
28
28
28
27
27
27
27
27
27
28
30
31
33
34
35
37
35
37

Dew Point (°C)

17
18
19
20
20
19
19
20
19
19
19
19
19
18
22
23
23
23
24
23
24
20
19
19

Relative Humidity (%)

35
42
50
58
60
60
61
64
64
65
67
65
66
64
80
86
79
71
70
60
62
47
42
41

Pressure (mb)

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

Ozone (du)

286
286
286
286
286
286
286
286
286
285
284
284
284
285
285
285
284
284
283
281
282
283
283
283

Wednesday 2

Waning Gibbous 61%

22:16

13:51

17 Bad
18 Bad
19 Bad
20 OK
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

Sun - Rise: 06:38, Set: 19:36, Transit: 13:06. Moon - Rise: 22:16, Set: 13:51. Civil Dark: 20:03 - 06:11. Nautical Dark: 20:36 - 05:39. Astro Dark: 21:09 - 05:05

Total Clouds (% Sky Obscured)

78
60
31
38
49
58
56
56
57
56
57
67
77
79
82
69
56
52
60
68
79
84
83
80

Low Clouds (% Sky Obscured)

8
4
0
0
0
0
9
15
19
19
18
44
55
53
48
35
21
13
8
4
0
7
17
28

Medium Clouds (% Sky Obscured)

10
13
18
22
25
26
25
27
29
32
32
32
21
11
0
0
0
0
0
0
0
15
30
45

High Clouds (% Sky Obscured)

59
46
9
10
12
11
7
3
2
0
0
0
21
42
63
55
48
52
60
67
73
66
58
46

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
7
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 (%)

16
14
8
13
9
15
11
7
6
3
2
2
1
1
2
10
11
7
9
6
0
5
6
4

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

Chance of Frost

Temperature (°C)

34
33
30
29
28
27
26
26
26
26
25
25
25
25
25
25
27
29
30
32
34
35
35
36

Feels Like (°C)

36
37
33
32
32
31
30
30
31
31
30
30
28
28
28
28
29
30
31
31
32
32
41
40

Dew Point (°C)

19
20
20
21
22
22
23
24
24
25
24
24
24
24
24
23
23
23
23
22
22
20
20
21

Relative Humidity (%)

42
46
53
62
67
73
79
87
91
94
94
97
97
95
94
88
79
72
65
56
48
41
41
41

Pressure (mb)

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

Ozone (du)

283
283
283
283
284
284
284
285
284
283
282
282
283
284
285
285
285
285
285
284
284
283
284
284

Thursday 3

Waning Gibbous 49%

23:02

15:01

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

Sun - Rise: 06:39, Set: 19:34, Transit: 13:06. Moon - Rise: 23:02, Set: 15:01. Civil Dark: 20:01 - 06:12. Nautical Dark: 20:34 - 05:40. Astro Dark: 21:07 - 05:06

Total Clouds (% Sky Obscured)

74
68
69
70
67
61
57
53
57
44
32
20
16
13
26
43
58
73
69
65
60
52
45
32

Low Clouds (% Sky Obscured)

21
15
7
5
4
4
13
16
13
7
5
2
1
1
0
3
7
10
18
24
27
29
29
29

Medium Clouds (% Sky Obscured)

37
28
18
24
24
21
17
13
9
6
3
0
1
2
4
11
17
22
24
28
32
20
9
0

High Clouds (% Sky Obscured)

45
45
40
30
22
10
13
14
15
13
8
4
11
13
26
41
47
50
45
32
24
17
12
2

ISS Passover

Visibility (miles)

9
9
9
9
8
7
6
7
8
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 (%)

11
12
11
29
36
35
41
44
46
37
28
16
14
10
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)

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

Chance of Frost

Temperature (°C)

36
34
32
31
30
29
27
26
26
25
24
24
23
23
24
24
25
27
29
30
30
31
31
31

Feels Like (°C)

38
38
37
37
32
32
32
32
32
31
27
27
28
28
28
27
26
27
27
28
28
29
33
31

Dew Point (°C)

20
20
20
19
20
20
20
21
22
22
22
22
22
22
22
22
20
19
17
16
14
12
12
11

Relative Humidity (%)

41
43
46
49
54
59
64
71
79
85
89
91
94
91
89
87
71
60
50
42
35
30
29
28

Pressure (mb)

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

Ozone (du)

284
284
284
284
285
286
287
286
286
285
287
288
289
290
290
291
294
296
298
299
300
301
301
301

Friday 4

Third Quarter 37%

23:59

16:04

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

Sun - Rise: 06:40, Set: 19:33, Transit: 13:05. Moon - Rise: 23:59, Set: 16:04. Civil Dark: 20:00 - 06:13. Nautical Dark: 20:32 - 05:41. Astro Dark: 21:06 - 05:07

Total Clouds (% Sky Obscured)

24
25
28
28
28
29
29
28
28
22
14
6
25
44
62
70
80
96
81
64
44

Low Clouds (% Sky Obscured)

24
24
21
18
11
8
4
1
0
0
0
0
0
1
2
1
1
0
0
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
13
25
57
42
23
10
15
20
29

High Clouds (% Sky Obscured)

7
11
16
20
23
27
29
27
28
22
13
4
21
38
49
58
75
96
76
54
33

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

30
30
30
32
24
24
25
24
24
24
22
23
23
23
23
23
25
24
25
26
27

Dew Point (°C)

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

Relative Humidity (%)

28
34
41
49
52
55
57
62
68
75
77
80
82
80
76
74
65
56
50
49
48

Pressure (mb)

1013
1013
1013
1013
1014
1014
1014
1014
1014
1015
1015
1015
1014
1015
1015
1015
1015
1015
1015
1014
1014

Ozone (du)

301
300
300
300
300
301
301
301
301
300
300
299
298
298
299
300
300
301
302
302
302

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

Generated: 29/08/26 16:39:17. Forecast: 29/08/26 to 04/09/26. Timezone: UTC-4.00