Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 1

Full Moon 100%

21:27

06:10

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:06, Set: 20:02, Transit: 13:04. Moon - Rise: 21:27, Set: 06:10. Civil Dark: 20:31 - 05:37. Nautical Dark: 21:07 - 05:01. Astro Dark: 21:45 - 04:23

Total Clouds (% Sky Obscured)

98
96
100
94
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
79
69

Low Clouds (% Sky Obscured)

66
79
89
87
76
1
3
3
0
5
12
9
2
10
9
67
75
74
18
31
17
26
6
69

Medium Clouds (% Sky Obscured)

59
68
61
93
8
4
0
0
0
13
100
100
100
100
100
100
100
100
100
100
100
100
79
5

High Clouds (% Sky Obscured)

25
3
20
25
92
100
100
100
100
100
100
100
100
98
100
53
39
88
40
93
100
53
23
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
12
0
32
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.4
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
1
7
9
11
9
7
8
9
10
10
9
9
8
7
6
7
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

14
12
11
11
11
10
8
6
6
7
8
9
11
12
13
13
14
14
13
13
12
11
10
9

Feels Like (°C)

12
9
8
8
7
6
5
3
2
3
4
5
7
8
9
10
10
10
10
10
9
8
6
5

Dew Point (°C)

8
9
9
10
9
8
7
5
4
4
4
4
2
2
1
2
2
1
1
3
4
5
4
3

Relative Humidity (%)

67
83
91
90
90
88
90
91
90
85
77
67
55
51
46
44
44
43
44
50
57
64
66
67

Pressure (mb)

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

Ozone (du)

350
350
348
345
347
346
345
346
346
345
345
346
347
349
350
354
354
353
356
354
356
372
377
384

Saturday 2

Waning Gibbous 98%

22:28

06:45

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

Sun - Rise: 06:05, Set: 20:03, Transit: 13:04. Moon - Rise: 22:28, Set: 06:45. Civil Dark: 20:32 - 05:36. Nautical Dark: 21:08 - 05:00. Astro Dark: 21:46 - 04:21

Total Clouds (% Sky Obscured)

62
4
29
61
37
2
0
0
0
0
3
8
18
56
90
90
79
45
28
66
61
77
55
98

Low Clouds (% Sky Obscured)

59
4
5
51
20
2
0
0
0
0
2
8
18
46
66
44
9
4
1
27
0
0
0
6

Medium Clouds (% Sky Obscured)

5
0
9
7
8
0
0
0
0
0
0
0
0
0
37
43
35
5
12
17
61
37
55
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
8
38
61
43
2
15

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
6
6
6
7
7
7
6
7
9
10
11
11
11
11
11
11
10
9
7
5
3
2
1

Chance of Frost

Temperature (°C)

8
7
6
6
5
5
4
4
4
6
8
9
11
12
13
14
15
15
15
15
14
12
11
10

Feels Like (°C)

4
3
4
4
2
2
2
2
2
3
5
6
8
9
9
9
10
10
11
13
13
12
9
10

Dew Point (°C)

2
2
3
3
3
2
1
1
0
-1
-1
-1
-1
0
0
-0
0
-0
1
3
5
4
3
3

Relative Humidity (%)

66
72
79
83
83
82
79
79
75
61
53
47
44
42
40
38
37
36
37
43
54
56
58
60

Pressure (mb)

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

Ozone (du)

390
392
394
391
391
393
395
399
397
398
400
400
392
391
388
389
381
377
379
377
375
375
376
380

Sunday 3

Waning Gibbous 94%

No Rise

07:26

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

Sun - Rise: 06:04, Set: 20:04, Transit: 13:04. Moon - Rise: No Rise, Set: 07:26. Civil Dark: 20:33 - 05:34. Nautical Dark: 21:09 - 04:58. Astro Dark: 21:48 - 04:20

Total Clouds (% Sky Obscured)

100
100
50
50
31
59
54
49
41
1
8
1
0
40
91
42
60
63
55
24
34
28
47
23

Low Clouds (% Sky Obscured)

25
15
9
1
6
13
7
3
12
1
8
1
0
2
14
0
20
7
26
3
6
2
25
4

Medium Clouds (% Sky Obscured)

93
84
50
50
21
56
52
49
37
0
0
0
0
37
64
30
30
37
17
11
14
22
47
23

High Clouds (% Sky Obscured)

8
70
0
0
1
0
4
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
2

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
1
20
25
7
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)

2
3
4
3
3
4
5
4
4
4
6
7
8
10
10
10
10
9
11
9
7
7
7
7

Chance of Frost

Temperature (°C)

10
9
9
9
9
8
8
7
7
10
13
16
18
19
20
21
22
22
22
21
20
18
17
16

Feels Like (°C)

8
7
6
6
6
7
5
4
5
7
12
14
17
17
19
20
21
20
21
18
20
18
17
14

Dew Point (°C)

2
1
-1
-1
1
1
1
0
1
2
4
6
5
8
9
9
9
10
11
12
13
12
13
12

Relative Humidity (%)

58
56
50
51
57
61
60
62
64
58
52
49
43
46
48
46
43
45
50
58
63
69
78
74

Pressure (mb)

1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1013
1013
1012
1011
1011
1011
1011
1011
1011
1011
1012

Ozone (du)

384
388
390
387
384
382
382
387
388
389
390
392
392
390
390
389
389
390
391
391
391
390
389
391

Monday 4

Waning Gibbous 89%

23:24

08:14

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

Sun - Rise: 06:02, Set: 20:05, Transit: 13:04. Moon - Rise: 23:24, Set: 08:14. Civil Dark: 20:34 - 05:33. Nautical Dark: 21:10 - 04:57. Astro Dark: 21:49 - 04:18

Total Clouds (% Sky Obscured)

36
51
64
76
81
92
85
75
64
59
55
62
40
45
42
36
77
72
72
74
74
63
61
56

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
13
25
36
25
13
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
51
64
48
77
87
57
58
48
53
43
37
40
45
42
36
35
32
38
44
48
47
41
40

High Clouds (% Sky Obscured)

8
0
1
29
41
63
52
34
25
27
29
45
3
4
1
6
69
72
71
71
62
57
61
56

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
1
0
8
11
10
9
6
0
1
1
0
1
1
1
5
6
4
7
5
0
1
1
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
6
6
6
7
7
7
8
8
9
9
9
10
11
12
12
12
12
11
9
9
10
10

Chance of Frost

Temperature (°C)

15
15
15
14
14
14
13
13
14
15
18
20
23
24
25
27
27
28
27
26
25
24
23
22

Feels Like (°C)

14
13
13
12
11
11
11
10
11
13
15
18
21
23
24
25
25
24
23
23
22
20
18
18

Dew Point (°C)

10
10
9
8
8
7
8
8
9
10
10
11
12
12
12
12
12
13
12
12
13
11
8
10

Relative Humidity (%)

72
71
70
68
65
64
69
71
73
69
62
57
52
47
42
39
38
39
38
42
47
43
38
47

Pressure (mb)

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

Ozone (du)

389
387
387
381
378
378
380
380
381
381
379
380
381
379
379
380
379
375
372
370
369
364
365
365

Tuesday 5

Waning Gibbous 82%

00:14

09:09

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:01, Set: 20:06, Transit: 13:04. Moon - Rise: 00:14, Set: 09:09. Civil Dark: 20:35 - 05:32. Nautical Dark: 21:12 - 04:56. Astro Dark: 21:51 - 04:17

Total Clouds (% Sky Obscured)

51
49
49
56
65
70
85
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
3
11
14
21
25
33
42
52
62
23
19
15
12
9
6
5
11
5

Medium Clouds (% Sky Obscured)

33
43
49
55
51
50
40
62
55
69
82
96
90
84
77
97
98
97
78
60
41
49
53
63

High Clouds (% Sky Obscured)

51
49
49
56
65
70
81
90
100
100
100
100
100
100
100
100
100
100
100
100
100
96
89
82

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
0
0
1
17
26
45
31
58
79
87
44
37
36
39
41
40
38
33
26
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0.3
0.6
0.8
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
11
12
12
12
12
12
12
12
12
12
11
11
11
11
8
7
6
4
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
47
52
60
60
63
66
67
68
73
83
78
85
90
92
93
90
89
88
88
89
89
90
92

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1011
1011
1011
1010
1010

Ozone (du)

364
362
363
362
361
359
355
353
352
351
350
348
346
345
341
341
341
341
341
340
339
338
337
335

Wednesday 6

Waning Gibbous 73%

00:57

10:08

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:00, Set: 20:07, Transit: 13:04. Moon - Rise: 00:57, Set: 10:08. Civil Dark: 20:36 - 05:31. Nautical Dark: 21:13 - 04:54. Astro Dark: 21:52 - 04:15

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
92
79
65
60
64
54
46
38

Low Clouds (% Sky Obscured)

22
38
46
37
25
38
36
35
33
46
59
72
76
80
83
80
76
70
65
60
48
36
35
35

Medium Clouds (% Sky Obscured)

77
88
100
100
100
100
97
94
93
89
82
71
50
29
5
1
2
3
20
37
54
36
18
7

High Clouds (% Sky Obscured)

87
94
100
100
100
100
100
100
100
100
100
100
100
100
100
97
87
54
30
20
10
20
25
38

ISS Passover

Visibility (miles)

6
7
8
9
7
4
2
4
7
9
9
9
9
9
9
9
8
7
6
7
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

40
54
70
88
95
95
95
78
50
41
39
48
63
74
85
95
95
95
95
92
78
95
95
95

Precipitation Amount (mm)

0
0.2
0.4
0.6
0.7
0.7
0.6
0.4
0
0
0
0
0.2
0.3
0.5
0.7
0.7
0.8
0.8
0.6
0.4
0.8
0.8
1

Wind Speed/Direction (mph)

5
5
5
6
6
6
7
9
11
12
13
14
14
14
14
13
11
11
14
14
14
15
16
16

Chance of Frost

Temperature (°C)

17
16
17
16
16
16
16
17
17
18
18
19
20
20
21
21
20
19
18
17
15
14
12
10

Feels Like (°C)

18
17
18
17
17
17
17
17
16
16
18
18
17
17
17
18
20
19
19
18
18
18
10
8

Dew Point (°C)

15
15
16
15
16
16
16
17
17
18
17
18
18
18
19
19
18
17
16
14
12
10
8
5

Relative Humidity (%)

92
93
93
93
96
98
100
98
96
96
93
92
89
88
86
85
85
86
86
83
80
78
76
74

Pressure (mb)

1010
1009
1008
1008
1007
1007
1006
1006
1005
1005
1004
1004
1003
1002
1001
1000
1000
999
999
999
1000
1000
1001
1003

Ozone (du)

334
334
333
333
331
329
327
325
323
321
320
320
319
320
321
323
332
342
351
357
363
368
374
380

Thursday 7

Waning Gibbous 64%

01:34

11:11

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

Sun - Rise: 05:59, Set: 20:08, Transit: 13:04. Moon - Rise: 01:34, Set: 11:11. Civil Dark: 20:38 - 05:30. Nautical Dark: 21:14 - 04:53. Astro Dark: 21:54 - 04:13

Total Clouds (% Sky Obscured)

41
44
47
54
58
61
43
25
12
31
50
67
64
58
52
55
66
78
84
91
100

Low Clouds (% Sky Obscured)

38
40
42
43
44
42
30
23
12
29
36
43
37
30
21
19
24
28
38
50
61

Medium Clouds (% Sky Obscured)

12
13
15
10
5
0
0
0
0
3
8
14
20
27
24
25
25
30
42
54
80

High Clouds (% Sky Obscured)

41
33
0
0
0
0
0
0
0
9
23
44
32
21
5
3
3
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
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

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

Precipitation Probability (%)

63
40
7
8
5
0
0
0
0
0
0
0
0
1
1
5
7
9
10
9
4

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
17
16
15
14
14
13
12
12
11
12
12
13
13
13
13
13
13
14
13
12

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
9
10
11
12
13
14
16
17
17
17
18
16
15

Feels Like (°C)

6
6
5
4
2
3
3
2
3
2
6
7
8
8
8
8
14
14
14
14
14

Dew Point (°C)

4
4
4
4
4
4
3
3
4
3
3
3
3
4
4
4
5
7
8
7
7

Relative Humidity (%)

74
74
74
75
74
74
71
69
68
64
59
55
50
48
45
42
45
49
51
56
61

Pressure (mb)

1004
1005
1005
1006
1006
1006
1007
1007
1008
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1009
1009

Ozone (du)

386
387
388
389
389
388
387
388
388
389
390
391
392
393
395
397
395
393
391
391
391

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

Generated: 01/05/26 23:26:59. Forecast: 01/05/26 to 07/05/26. Timezone: UTC-4.00