Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 1

Waning Gibbous 72%

21:40

12:37

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
17 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)

42
57
67
74
41
85
100
100
100
100
100
100
100
100
100
100
100
100
77
63
54
68
96
66

Low Clouds (% Sky Obscured)

42
57
14
10
1
0
0
0
10
18
19
10
6
16
9
43
42
26
16
15
23
42
86
29

Medium Clouds (% Sky Obscured)

10
1
0
0
0
1
2
0
4
37
34
52
58
52
30
62
39
4
4
30
5
15
5
1

High Clouds (% Sky Obscured)

42
57
67
74
34
84
100
100
100
100
100
100
100
100
100
100
100
100
76
63
54
55
52
60

ISS Passover

Visibility (miles)

9
9
9
7
9
9
9
5
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
Very Light Rain
Light Rain
None
None
None
None
Very Light Rain
Light Rain
None
None
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
3
14
30
30
27
47
22
7
56
95
65
29
7
1
41
62
1
20
87
81
11
14
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
1.6
0
0
0
0
0.3
0.7
0
0
0.5
0.6
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

33
31
28
27
27
26
25
24
25
25
24
23
23
23
23
24
25
26
27
28
27
28
29
29

Feels Like (°C)

36
33
30
29
29
28
29
26
28
28
28
27
26
26
26
27
28
28
30
32
31
32
32
30

Dew Point (°C)

18
18
17
20
20
20
20
23
24
23
23
22
22
22
21
22
22
21
20
19
16
16
17
19

Relative Humidity (%)

41
46
49
63
66
68
71
89
94
91
92
91
92
92
89
87
80
76
65
56
51
48
48
56

Pressure (mb)

1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1019
1018
1018
1018
1017
1017
1016

Ozone (du)

283
284
283
285
286
285
284
284
284
284
285
286
286
286
287
287
287
288
290
289
289
290
291
292

Wednesday 2

Waning Gibbous 61%

22:16

13:51

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
17 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)

57
97
54
45
35
72
81
74
88
53
97
83
53
88
96
100
66
69
67
67
72
100
100
99

Low Clouds (% Sky Obscured)

12
13
18
18
27
49
78
65
77
35
24
19
20
16
32
23
10
9
7
7
14
9
39
0

Medium Clouds (% Sky Obscured)

1
0
2
0
0
1
0
0
13
20
29
0
0
0
0
0
0
0
0
0
0
0
1
0

High Clouds (% Sky Obscured)

57
97
54
45
0
33
21
37
60
47
73
58
6
22
78
100
27
69
67
67
72
100
99
99

ISS Passover

Visibility (miles)

9
6
9
9
9
9
9
6
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
41
64
92
5
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
Very Light Rain
Light Rain
None
None

Precipitation Probability (%)

30
46
49
28
18
16
28
19
17
43
39
6
8
3
23
0
0
0
20
19
44
45
29
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

28
27
26
25
24
24
24
24
24
24
24
23
23
24
24
25
27
29
31
32
33
33
32
32

Feels Like (°C)

30
30
28
28
28
28
27
26
27
26
27
26
27
28
27
28
30
31
34
35
36
35
33
34

Dew Point (°C)

20
21
23
23
23
23
23
23
24
23
23
23
23
23
23
23
22
21
20
20
19
16
14
20

Relative Humidity (%)

61
69
87
88
91
94
94
95
98
94
95
95
95
95
92
86
77
61
52
46
42
37
33
49

Pressure (mb)

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

Ozone (du)

292
292
291
292
291
291
292
293
293
293
294
293
294
292
290
289
288
286
285
286
285
285
284
283

Thursday 3

Waning Gibbous 49%

23:02

15:01

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
17 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)

100
79
99
100
100
96
100
100
100
85
66
68
72
73
70
71
74
73
99
90
60
93
100
100

Low Clouds (% Sky Obscured)

36
16
58
0
3
65
12
0
3
2
0
0
0
1
0
0
17
21
15
16
19
62
72
65

Medium Clouds (% Sky Obscured)

0
0
23
15
33
30
30
40
44
34
3
2
3
2
0
0
19
10
2
0
8
17
44
26

High Clouds (% Sky Obscured)

100
73
91
100
100
96
100
78
64
61
62
65
70
71
70
66
60
59
99
89
58
56
84
100

ISS Passover

Visibility (miles)

9
9
2
5
9
1
9
6
9
9
9
7
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
Very Light Rain
Light Rain
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Moderate Rain

Precipitation Probability (%)

14
66
78
76
95
95
28
30
9
6
18
6
0
0
0
0
6
17
53
30
33
46
48
95

Precipitation Amount (mm)

0
0.3
0.4
0
0.7
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

36
33
29
28
27
24
25
26
25
24
25
26
27
27
28
30
31
32
33
31
31
33
32
31

Dew Point (°C)

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

Relative Humidity (%)

46
55
81
90
92
94
95
95
95
94
92
95
92
94
89
79
68
60
54
49
46
43
48
60

Pressure (mb)

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

Ozone (du)

282
280
282
284
285
285
285
284
281
279
279
278
279
280
280
285
291
293
295
295
297
297
297
297

Friday 4

Third Quarter 37%

23:59

16:04

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
17 Bad

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)

100
100
84
100
100
100
75
65
74
61
71
98
99
91
91
100
81
86
92
100
93
95
91
87

Low Clouds (% Sky Obscured)

59
7
0
26
24
19
22
25
36
48
64
53
46
37
24
14
3
2
2
1
5
13
23
30

Medium Clouds (% Sky Obscured)

62
59
36
63
63
48
14
11
18
23
30
21
12
3
2
1
0
10
20
27
20
11
0
0

High Clouds (% Sky Obscured)

100
100
70
100
100
96
72
65
72
61
53
90
96
86
86
100
62
59
66
100
73
76
57
50

ISS Passover

Visibility (miles)

1
9
9
9
2
3
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

Moderate Rain
None
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
37
39
95
95
73
27
5
8
8
6
5
4
0
0
0
0
0
0
0
1
1
0
0

Precipitation Amount (mm)

4.5
0
0
1.6
1.1
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

25
26
25
24
24
23
23
23
22
22
21
20
21
20
20
19
18
16
14
13
12
12
13
13

Relative Humidity (%)

88
95
94
94
94
92
95
95
95
95
94
92
94
92
87
76
68
57
51
47
43
41
43
44

Pressure (mb)

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

Ozone (du)

295
298
300
297
298
301
301
303
303
303
302
303
304
305
305
306
307
307
308
309
309
309
310
311

Saturday 5

Waning Crescent 26%

01:06

16:56

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 Good
10 Good
11 Good
12 Good
13 OK
14 OK
15 OK
16 OK
17 OK

Sun - Rise: 06:41, Set: 19:31, Transit: 13:05. Moon - Rise: 01:06, Set: 16:56. Civil Dark: 19:58 - 06:14. Nautical Dark: 20:30 - 05:42. Astro Dark: 21:04 - 05:08

Total Clouds (% Sky Obscured)

70
60
59
62
59
58
56
54
53
52
47
41
35
31
23
15
6
11
16
22
27
29
29
28

Low Clouds (% Sky Obscured)

28
30
31
34
31
33
33
31
31
30
22
19
15
15
13
10
5
9
13
17
15
10
7
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
5
11
19
20
20
19
13
6
0
0
0
0
0
0
0
7
15
22
17

High Clouds (% Sky Obscured)

50
45
38
34
28
21
10
0
0
0
0
0
0
0
0
0
0
1
2
2
2
2
1
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
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
4
4
4
4
4
5
5
5
5
5
5
5
6
7
8
7
7
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
59
64
62
69
75
78
78
78
81
82
81
82
83
76
66
57
49
47
45
42
43
43
44

Pressure (mb)

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

Ozone (du)

312
312
313
313
312
312
312
311
311
313
315
316
317
316
315
314
313
313
312
310
309
309
309
308

Sunday 6

Waning Crescent 16%

02:20

17:38

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

Sun - Rise: 06:42, Set: 19:29, Transit: 13:05. Moon - Rise: 02:20, Set: 17:38. Civil Dark: 19:56 - 06:15. Nautical Dark: 20:29 - 05:43. Astro Dark: 21:02 - 05:09

Total Clouds (% Sky Obscured)

26
28
32
33
34
31
28
23
20
17
19
25
31
51
47
43
38
37
35
33
47
60
77
72

Low Clouds (% Sky Obscured)

13
21
15
8
0
0
0
0
0
1
1
2
3
3
12
19
25
18
15
14
33
51
68
57

Medium Clouds (% Sky Obscured)

11
6
6
5
4
4
5
5
20
17
19
25
31
51
47
43
38
35
30
24
27
32
39
38

High Clouds (% Sky Obscured)

5
7
19
30
34
31
28
23
20
17
17
25
31
42
36
27
15
10
5
1
1
2
3
4

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
1
1
3
4
1
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
54
61
63
66
68
70
72
74
73
72
71
71
71
71
65
59
54
51
48
46
53
59
66

Pressure (mb)

1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019

Ozone (du)

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

Monday 7

Waning Crescent 8%

03:36

No Set

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: 06:43, Set: 19:28, Transit: 13:04. Moon - Rise: 03:36, Set: No Set. Civil Dark: 19:55 - 06:16. Nautical Dark: 20:27 - 05:44. Astro Dark: 21:00 - 05:11

Total Clouds (% Sky Obscured)

67
60
65
68
70
78
83
90
95
97
100
100
100
100
100
100
100
97
95
92

Low Clouds (% Sky Obscured)

48
38
37
34
28
32
38
48
45
42
39
29
20
9
29
35
44
48
52
50

Medium Clouds (% Sky Obscured)

37
36
25
15
4
3
2
1
8
16
23
24
24
8
8
16
21
25
24
22

High Clouds (% Sky Obscured)

4
4
20
37
60
74
71
82
90
94
100
100
100
100
100
100
100
95
90
85

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

2
1
1
0
0
1
1
1
6
5
1
2
1
0
1
0
0
5
3
2

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

23
22
21
20
20
19
19
19
19
19
18
18
18
19
19
20
21
22
23
24

Feels Like (°C)

25
25
23
20
20
20
20
19
19
19
19
19
18
18
18
20
21
21
22
22

Dew Point (°C)

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

Relative Humidity (%)

69
74
77
80
84
86
88
88
88
90
92
93
93
90
89
86
84
80
79
78

Pressure (mb)

1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018

Ozone (du)

314
313
312
311
310
310
310
310
310
308
306
304
304
304
304
304
304
304
303
301

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

Generated: 01/09/26 18:20:49. Forecast: 01/09/26 to 07/09/26. Timezone: UTC-4.00