Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 3%

07:24

21:46

13 OK
14 Bad
15 Bad
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

Sun - Rise: 06:23, Set: 19:48, Transit: 13:06. Moon - Rise: 07:24, Set: 21:46. Civil Dark: 20:16 - 05:55. Nautical Dark: 20:50 - 05:21. Astro Dark: 21:25 - 04:45

Total Clouds (% Sky Obscured)

44
48
68
66
85
89
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
11
19
11
2
0
1
42
59
58
67
77
80
21
66
83
100
99
98
90
80
80
65
67

Medium Clouds (% Sky Obscured)

8
12
68
0
4
3
15
37
69
81
92
97
93
94
100
94
94
98
97
100
100
100
100
99

High Clouds (% Sky Obscured)

44
36
68
66
64
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
9
2
9
9
9
4
9
5
8

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
5
8
7
15
48
67
95
95
11
7
54
95
95
83
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0.7
0
0
0
1
1.3
0.5
0

Wind Speed/Direction (mph)

9
10
12
13
11
12
12
13
13
13
8
5
3
2
3
1
8
17
16
15
15
14
12
12

Chance of Frost

Temperature (°C)

24
25
24
24
26
26
24
22
19
18
17
16
16
15
15
15
15
14
12
12
11
9
9
9

Feels Like (°C)

23
23
22
23
24
23
21
18
16
15
16
16
15
16
15
16
13
9
7
6
5
3
4
4

Dew Point (°C)

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

Relative Humidity (%)

47
40
36
39
42
51
55
59
66
67
72
72
73
73
79
86
93
90
86
81
84
82
87
84

Pressure (mb)

1014
1013
1012
1011
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1008
1007
1008
1010
1012
1013
1014
1015
1016
1016

Ozone (du)

310
310
309
307
309
307
305
304
306
306
305
306
305
305
305
304
305
309
309
313
315
317
320
323

Sunday 19

Waxing Crescent 8%

08:14

23:05

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

Sun - Rise: 06:21, Set: 19:49, Transit: 13:06. Moon - Rise: 08:14, Set: 23:05. Civil Dark: 20:17 - 05:53. Nautical Dark: 20:51 - 05:19. Astro Dark: 21:27 - 04:44

Total Clouds (% Sky Obscured)

100
87
64
45
40
22
26
30
0
0
3
21
3
14
64
64
64
58
34
16
9
19
59
66

Low Clouds (% Sky Obscured)

44
85
54
31
3
0
0
0
0
0
1
7
1
5
10
4
5
44
34
16
9
19
49
44

Medium Clouds (% Sky Obscured)

93
5
9
11
13
9
15
23
0
0
0
0
0
0
5
27
19
28
33
2
0
0
0
22

High Clouds (% Sky Obscured)

100
71
30
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 (%)

6
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)

10
11
14
16
15
14
12
8
6
5
5
4
5
5
8
8
8
7
6
8
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
7
9
10
9
9
10
10
8
6
4
3
3
1
-1
-1
-1
0
3
3
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

76
53
37
35
41
43
44
50
50
49
51
53
55
58
66
72
75
69
71
69
43
38
38
34

Pressure (mb)

1016
1016
1015
1014
1015
1016
1017
1018
1019
1020
1020
1020
1020
1020
1021
1021
1022
1022
1024
1025
1025
1025
1026
1025

Ozone (du)

326
333
336
345
349
352
357
358
357
358
358
359
367
369
374
378
378
381
384
387
393
396
400
405

Monday 20

Waxing Crescent 16%

09:15

00:18

13 Bad
14 OK
15 Bad
16 Bad
17 OK
18 OK
19 Good
20 Good
21 Good
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

Sun - Rise: 06:20, Set: 19:50, Transit: 13:06. Moon - Rise: 09:15, Set: 00:18. Civil Dark: 20:18 - 05:52. Nautical Dark: 20:52 - 05:18. Astro Dark: 21:28 - 04:42

Total Clouds (% Sky Obscured)

57
32
46
45
34
28
1
1
0
0
0
0
0
1
0
1
0
2
0
0
1
1
5
10

Low Clouds (% Sky Obscured)

10
15
15
15
10
3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

30
15
24
31
26
28
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
2
7

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
1
1

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)

14
14
14
14
14
12
9
7
5
5
5
4
4
3
4
3
3
3
3
3
3
3
6
7

Chance of Frost

Temperature (°C)

11
11
11
11
11
10
9
7
5
4
3
3
2
2
1
0
0
0
0
3
6
8
10
11

Feels Like (°C)

4
4
4
4
4
5
5
4
3
1
1
0
-0
0
-1
-1
-2
-1
-2
2
5
8
9
9

Dew Point (°C)

-5
-6
-5
-5
-5
-4
-4
-4
-5
-7
-7
-6
-6
-6
-6
-7
-7
-6
-7
-7
-7
-6
-6
-6

Relative Humidity (%)

32
30
32
32
32
38
41
46
47
47
48
54
57
58
59
60
60
62
58
48
41
36
33
30

Pressure (mb)

1025
1024
1024
1024
1024
1024
1025
1026
1027
1027
1027
1028
1028
1028
1028
1028
1029
1029
1029
1030
1029
1029
1028
1027

Ozone (du)

414
417
416
417
417
414
405
392
390
387
389
388
391
395
393
392
388
386
384
382
381
377
376
376

Tuesday 21

Waxing Crescent 26%

10:25

01:20

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

Sun - Rise: 06:19, Set: 19:51, Transit: 13:06. Moon - Rise: 10:25, Set: 01:20. Civil Dark: 20:19 - 05:50. Nautical Dark: 20:53 - 05:16. Astro Dark: 21:29 - 04:40

Total Clouds (% Sky Obscured)

13
8
5
3
13
10
8
34
55
69
60
77
58
59
97
100
100
100
100
100
100
100
96
93

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
26
52
78
80
82

Medium Clouds (% Sky Obscured)

10
6
3
3
13
10
8
34
55
69
60
77
58
59
72
97
87
98
100
100
100
100
90
63

High Clouds (% Sky Obscured)

0
0
0
1
1
1
0
0
1
0
18
27
30
35
94
99
100
100
100
89
80
71
61
44

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
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
16
41
61
56
48
39

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
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
15
15
16
15
13
12
11
10
10
10
10
10
10
10
10
10
10
11
12
12
13
14

Feels Like (°C)

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

Dew Point (°C)

-5
-4
-3
-2
-2
-0
1
-1
1
-1
-1
1
1
0
1
2
3
4
5
6
8
10
11
12

Relative Humidity (%)

29
29
29
29
30
35
43
42
48
47
48
53
54
52
54
56
60
66
68
72
76
89
90
84

Pressure (mb)

1026
1025
1023
1022
1021
1021
1020
1020
1020
1020
1019
1018
1018
1017
1016
1016
1015
1015
1015
1015
1014
1015
1015
1014

Ozone (du)

379
378
378
375
369
366
365
364
365
365
365
363
363
362
362
361
359
361
364
368
373
374
377
379

Wednesday 22

Waxing Crescent 37%

11:38

02:10

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

Sun - Rise: 06:17, Set: 19:52, Transit: 13:05. Moon - Rise: 11:38, Set: 02:10. Civil Dark: 20:21 - 05:49. Nautical Dark: 20:55 - 05:15. Astro Dark: 21:31 - 04:38

Total Clouds (% Sky Obscured)

90
80
69
64
62
57
7
8
17
25
17
9
0
7
6
7
7
6
6
20
37
56
49
46

Low Clouds (% Sky Obscured)

83
68
53
40
28
17
1
0
0
0
0
0
0
7
6
7
7
6
6
9
3
0
0
0

Medium Clouds (% Sky Obscured)

46
36
29
46
12
7
0
8
17
25
17
9
0
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

65
70
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
10
10
7
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 (%)

33
31
29
36
42
25
4
1
1
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)

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

Chance of Frost

Temperature (°C)

15
17
18
19
19
17
16
14
13
12
11
11
10
9
7
7
6
7
8
9
11
13
16
17

Feels Like (°C)

13
15
16
17
16
15
15
15
14
13
11
10
9
8
7
7
7
6
6
6
9
9
10
11

Dew Point (°C)

12
13
14
13
13
13
14
12
11
10
8
7
7
6
4
3
2
2
2
2
3
3
3
4

Relative Humidity (%)

80
79
78
69
68
78
86
89
89
84
79
78
80
81
78
75
74
69
65
62
55
48
43
44

Pressure (mb)

1014
1014
1014
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017
1019
1019
1019
1020
1020
1021
1021
1021
1021
1020

Ozone (du)

374
370
366
365
362
361
362
363
362
361
361
362
362
362
362
362
362
362
361
361
360
360
359
359

Thursday 23

First Quarter 49%

12:51

02:49

13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Bad
20 OK
21 OK
22 OK
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

Sun - Rise: 06:16, Set: 19:53, Transit: 13:05. Moon - Rise: 12:51, Set: 02:49. Civil Dark: 20:22 - 05:48. Nautical Dark: 20:56 - 05:13. Astro Dark: 21:32 - 04:37

Total Clouds (% Sky Obscured)

34
32
22
25
34
43
52
47
43
39
52
65
77
72
64
53
57
73
93
83
73
63
59
55

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
4
7
4
2
0
13
22
14
12
22
30
31
34

Medium Clouds (% Sky Obscured)

0
0
0
0
16
31
36
27
15
8
7
6
4
0
0
0
0
0
0
0
0
5
5
3

High Clouds (% Sky Obscured)

0
7
14
21
15
9
3
7
11
15
10
8
31
7
11
15
42
64
86
63
45
29
19
9

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
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)

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

Chance of Frost

Temperature (°C)

18
19
20
20
20
19
17
15
14
13
12
12
11
11
11
10
10
11
12
13
15
17
19
19

Feels Like (°C)

12
12
19
19
19
19
19
19
13
13
13
12
12
12
9
9
10
10
10
10
13
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

44
44
46
48
49
53
57
62
61
60
60
62
66
70
72
76
80
79
75
74
68
62
57
56

Pressure (mb)

1020
1019
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1014
1014
1013

Ozone (du)

359
359
358
357
356
357
358
359
359
359
358
357
356
355
355
355
355
355
356
356
356
355
355
356

Friday 24

Waxing Gibbous 60%

No Rise

03:21

13 Bad
14 Bad
15 Bad
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

Sun - Rise: 06:15, Set: 19:54, Transit: 13:05. Moon - Rise: No Rise, Set: 03:21. Civil Dark: 20:23 - 05:46. Nautical Dark: 20:57 - 05:12. Astro Dark: 21:34 - 04:35

Total Clouds (% Sky Obscured)

51
51
54
58
57
57
54
55
59
62
65
65
75
90
98
100
100
100
100

Low Clouds (% Sky Obscured)

36
33
35
38
28
12
0
0
0
0
0
0
11
32
30
25
30
39
45

Medium Clouds (% Sky Obscured)

0
4
8
13
15
25
35
35
38
41
45
40
41
58
79
98
88
79
65

High Clouds (% Sky Obscured)

0
2
3
5
4
4
4
15
22
24
36
42
34
55
77
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

1
9
14
18
20
20
14
18
21
24
26
27
28
26
24
20
17
13
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
22
22
22
21
20
19
18
17
16
15
14
14
13
13
12
12
12

Feels Like (°C)

16
17
22
22
21
22
22
21
19
18
18
17
16
16
12
12
12
12
12

Dew Point (°C)

11
12
13
13
14
13
13
12
13
13
14
13
13
13
12
12
12
11
11

Relative Humidity (%)

57
56
57
57
58
60
61
63
71
79
89
90
92
92
93
93
95
93
92

Pressure (mb)

1012
1012
1011
1010
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

356
357
357
358
358
357
357
357
356
355
354
354
355
356
356
357
357
357
356

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

Generated: 18/04/26 13:54:55. Forecast: 18/04/26 to 24/04/26. Timezone: UTC-4.00