Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 94%

18:18

04:53

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
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:10, Set: 19:59, Transit: 13:04. Moon - Rise: 18:18, Set: 04:53. Civil Dark: 20:28 - 05:41. Nautical Dark: 21:03 - 05:06. Astro Dark: 21:41 - 04:28

Total Clouds (% Sky Obscured)

85
86
88
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
99
92

Low Clouds (% Sky Obscured)

76
80
76
83
68
84
50
42
41
25
30
38
35
27
77
85
75
88
98
91
92
92
93
89

Medium Clouds (% Sky Obscured)

15
10
10
13
11
3
3
54
13
34
100
100
100
100
100
99
100
100
99
89
90
34
71
69

High Clouds (% Sky Obscured)

0
0
5
18
100
100
100
100
100
100
100
100
100
69
100
39
30
35
69
100
77
5
50
28

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
2
2
2
0
0

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
Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
19
67
47
36
78
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0.5
0.8
0.4
0.6
0.6
1.8
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
8
8
7
6
6
6
8
8
8
7
7
8
9
9
9
12
11
15
15
16
15
14
13

Relative Humidity (%)

80
77
77
78
78
80
80
84
87
84
77
72
72
73
67
67
73
71
90
95
95
98
98
98

Pressure (mb)

1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1014
1014
1013
1012
1011
1010
1008
1007
1006
1006
1006
1006
1007

Ozone (du)

344
339
336
335
332
333
336
335
334
335
337
338
337
337
333
331
338
341
345
349
358
369
377
382

Wednesday 29

Waxing Gibbous 98%

19:21

05:16

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

Sun - Rise: 06:08, Set: 20:00, Transit: 13:04. Moon - Rise: 19:21, Set: 05:16. Civil Dark: 20:29 - 05:39. Nautical Dark: 21:04 - 05:04. Astro Dark: 21:42 - 04:26

Total Clouds (% Sky Obscured)

90
21
4
45
100
72
72
100
100
98
100
23
18
8
8
15
34
67
77
71
38
22
3
7

Low Clouds (% Sky Obscured)

86
16
2
0
6
35
2
2
7
1
10
13
17
8
8
15
17
32
27
23
2
0
0
0

Medium Clouds (% Sky Obscured)

10
2
1
0
0
4
54
36
75
65
67
5
1
0
0
0
13
18
31
24
29
22
0
7

High Clouds (% Sky Obscured)

0
0
0
45
100
64
72
100
100
98
100
2
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
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 (%)

34
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
8
11
10
10
11
10
10
9
9
9
12
12
12
11
12
13
13
12
11
11
10
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
11
10
9
8
7
7
6
7
6
5
5
5
6
6
6
6
7
7
7
7
5

Relative Humidity (%)

98
95
93
95
93
93
93
91
90
87
81
73
61
53
50
48
46
44
45
51
54
58
62
67

Pressure (mb)

1007
1007
1007
1008
1008
1008
1009
1009
1010
1011
1011
1011
1012
1012
1011
1011
1010
1010
1010
1011
1011
1011
1012
1013

Ozone (du)

383
380
378
378
381
381
380
379
378
379
382
383
381
377
378
376
376
377
377
381
382
380
380
379

Thursday 30

Waxing Gibbous 100%

20:24

05:41

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

Sun - Rise: 06:07, Set: 20:01, Transit: 13:04. Moon - Rise: 20:24, Set: 05:41. Civil Dark: 20:30 - 05:38. Nautical Dark: 21:06 - 05:03. Astro Dark: 21:44 - 04:25

Total Clouds (% Sky Obscured)

0
11
42
85
62
81
85
72
29
22
23
25
32
100
69
86
77
90
95
81
68
99
67
68

Low Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
0
0
0
1
1
2
48
54
63
55
54
49
36
36
29
29

Medium Clouds (% Sky Obscured)

0
8
24
19
39
62
75
72
29
22
23
25
32
100
67
60
66
88
84
42
29
38
36
38

High Clouds (% Sky Obscured)

0
0
18
80
31
28
52
0
2
2
0
0
0
0
0
0
0
0
0
0
0
15
2
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
6
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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
25
36
44
13
7
16
41
24
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
6
6
5
5
4
5
4
5
7
10
12
12
11
12
11
12
13
12
13
13
10
10

Dew Point (°C)

4
4
4
5
5
4
3
3
2
2
3
3
4
4
5
7
8
12
13
11
8
8
8
7

Relative Humidity (%)

67
72
78
84
85
84
82
80
79
75
67
57
56
52
51
60
61
82
87
75
64
63
71
76

Pressure (mb)

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

Ozone (du)

378
375
373
373
375
372
366
366
365
364
366
370
369
363
359
358
362
366
361
358
355
353
354
349

Friday 1

Full Moon 100%

21:27

06:10

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
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 OK
18 OK
19 OK
20 OK
21 OK

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)

89
85
81
78
62
46
30
56
66
90
86
86
71
67
88
99
92
84
76
31
32
40
37
41

Low Clouds (% Sky Obscured)

28
29
28
26
18
9
0
2
3
5
21
36
52
48
45
46
30
18
5
8
17
25
17
8

Medium Clouds (% Sky Obscured)

39
33
44
41
27
14
0
0
0
0
5
9
14
36
58
80
63
47
39
31
32
30
33
32

High Clouds (% Sky Obscured)

20
17
14
16
19
22
25
53
62
66
62
62
55
55
40
30
20
10
0
0
0
0
0
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 (%)

22
17
12
4
6
4
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
6
6
5
5
5
5
6
7
7
8
8
8
8
8
8
9
8
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
6
5
5
5
5
5
4
4
4
3
2
0
0
-1
0
1
1
1
3
4
4
4
3

Relative Humidity (%)

77
78
78
79
82
84
88
90
90
88
74
62
51
47
42
41
41
41
41
45
51
58
65
68

Pressure (mb)

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

Ozone (du)

347
345
343
343
344
346
346
347
350
350
350
352
353
355
358
364
369
372
374
375
376
375
374
374

Saturday 2

Waning Gibbous 98%

No Rise

06:45

22 OK
23 OK
00 OK
01 Good
02 Good
03 Good
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 Bad
18 OK
19 OK
20 OK
21 OK

Sun - Rise: 06:05, Set: 20:03, Transit: 13:04. Moon - Rise: No Rise, 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)

34
28
21
13
8
4
0
0
0
0
2
2
2
17
54
74
50
58
56
51
48
43
31
19

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
9
14
4
4
4
9
14
19
18
17

Medium Clouds (% Sky Obscured)

34
28
19
10
7
3
0
0
0
0
0
0
0
17
36
54
2
2
2
1
0
0
0
0

High 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

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)

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

Chance of Frost

Temperature (°C)

8
7
6
5
5
4
3
3
3
4
6
8
10
11
13
14
15
15
15
16
14
13
11
10

Feels Like (°C)

6
5
5
3
3
2
1
2
2
3
4
5
7
8
9
9
10
10
10
10
11
11
12
7

Dew Point (°C)

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

Relative Humidity (%)

69
74
82
80
82
80
80
79
77
71
59
53
52
49
44
41
39
39
39
39
46
55
65
66

Pressure (mb)

1016
1017
1017
1017
1017
1017
1018
1018
1018
1019
1020
1019
1019
1019
1019
1018
1017
1016
1015
1015
1015
1015
1015
1015

Ozone (du)

376
379
379
378
378
378
378
376
377
378
379
380
382
384
384
383
385
388
390
393
391
388
386
384

Sunday 3

Waning Gibbous 94%

22:28

07:26

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

Sun - Rise: 06:04, Set: 20:04, Transit: 13:04. Moon - Rise: 22:28, 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)

6
5
2
0
1
1
1
0
0
0
0
0
0
0
0
4
8
14
21
44
67
82
62
37

Low Clouds (% Sky Obscured)

6
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
6
14
15
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
4
8
9
4
18
31
45
31
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
3
3
27
51
76
45
21

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
2
4
2
11
12
13
19
24
31
29
22

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

Chance of Frost

Temperature (°C)

9
8
8
7
7
6
6
6
7
8
9
11
13
15
15
15
15
16
16
17
15
14
12
11

Feels Like (°C)

8
8
8
8
8
5
5
5
5
5
5
9
9
9
9
10
11
12
12
12
13
13
13
8

Dew Point (°C)

3
3
3
3
3
2
2
1
2
2
2
3
4
5
6
6
7
7
7
7
8
8
9
8

Relative Humidity (%)

67
68
70
73
75
75
74
74
70
66
63
59
55
51
53
56
59
55
53
50
59
69
83
84

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1012
1011
1011
1010
1009
1009
1009
1009
1009

Ozone (du)

383
381
381
380
380
381
381
382
385
387
390
391
392
393
395
397
399
401
403
405
407
409
411
410

Monday 4

Waning Gibbous 89%

23:24

08:14

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

12
15
18
21
14
8
2
2
1
1
16
35
52
57
31
21
41
64
90
93
96
100

Low Clouds (% Sky Obscured)

4
4
3
2
2
1
1
0
0
0
0
0
0
0
0
0
1
2
3
5
8
10

Medium Clouds (% Sky Obscured)

4
7
11
14
9
5
0
0
0
0
2
7
12
16
20
15
23
25
22
29
36
36

High Clouds (% Sky Obscured)

0
2
4
6
4
2
0
0
0
1
16
34
37
32
21
1
13
25
34
21
10
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

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 (%)

3
7
6
0
0
0
0
0
0
0
0
0
0
1
2
1
3
3
2
5
5
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

Wind Speed/Direction (mph)

6
6
6
7
7
6
6
6
6
7
7
7
8
8
8
8
8
7
7
7
6
6

Chance of Frost

Temperature (°C)

10
9
9
9
9
9
9
8
9
10
11
14
16
18
19
20
22
22
23
23
21
20

Feels Like (°C)

9
10
9
10
9
8
8
8
8
7
7
12
13
13
14
15
16
22
21
21
21
21

Dew Point (°C)

8
8
8
7
7
7
7
7
8
8
9
9
10
10
10
10
9
9
9
9
9
8

Relative Humidity (%)

85
88
88
88
88
90
90
90
88
84
83
72
66
60
54
50
45
44
42
41
43
46

Pressure (mb)

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

Ozone (du)

408
407
410
414
417
416
415
413
414
414
415
410
405
400
396
393
389
388
386
384
386
388

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

Generated: 28/04/26 22:42:37. Forecast: 28/04/26 to 04/05/26. Timezone: UTC-4.00