Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waning Crescent 15%

04:29

15:06

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

Sun - Rise: 06:16, Set: 19:53, Transit: 13:05. Moon - Rise: 04:29, Set: 15:06. Civil Dark: 20:22 - 05:47. Nautical Dark: 20:56 - 05:13. Astro Dark: 21:33 - 04:36

Total Clouds (% Sky Obscured)

67
66
63
28
1
0
2
14
41
0
3
14
15
33
17
22
55
48
61
58
57
57
10
13

Low 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

Medium 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

High Clouds (% Sky Obscured)

67
54
14
1
1
0
2
14
41
0
2
9
8
21
9
16
47
32
52
58
57
57
10
11

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)

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

Chance of Frost

Temperature (°C)

23
24
24
24
24
22
19
17
16
16
15
14
13
12
12
12
11
12
14
17
20
22
24
25

Feels Like (°C)

21
22
23
23
25
23
20
17
16
16
14
14
12
12
11
11
11
11
13
16
18
20
21
24

Dew Point (°C)

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

Relative Humidity (%)

30
29
30
31
34
45
46
44
43
44
46
49
55
61
65
68
71
72
66
59
52
42
37
34

Pressure (mb)

1024
1024
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1026
1026

Ozone (du)

345
343
344
346
348
347
346
347
348
347
345
344
345
344
344
344
345
347
348
348
347
346
345
345

Thursday 24

Waning Crescent 7%

04:54

16:20

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

Sun - Rise: 06:14, Set: 19:54, Transit: 13:05. Moon - Rise: 04:54, Set: 16:20. Civil Dark: 20:23 - 05:46. Nautical Dark: 20:57 - 05:11. Astro Dark: 21:34 - 04:34

Total Clouds (% Sky Obscured)

19
41
17
45
56
52
48
61
63
29
47
50
55
60
70
63
57
63
60
45
42
43
29
23

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
20
21
9
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
32
30
30
30
30
23
26
39
37
29
23

High Clouds (% Sky Obscured)

18
41
17
45
56
52
48
61
62
27
47
50
55
55
64
49
24
32
45
45
32
23
29
23

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
47

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
26
27
26
25
23
20
18
16
15
14
13
12
12
11
11
11
11
13
17
19
20
22
24

Feels Like (°C)

25
25
24
24
22
20
17
14
13
12
12
11
10
10
9
9
8
9
12
15
17
19
21
22

Dew Point (°C)

8
8
9
10
11
12
9
7
5
5
5
5
5
5
5
6
6
7
9
11
13
15
15
16

Relative Humidity (%)

32
31
32
35
42
47
47
47
48
51
55
59
62
62
65
69
72
76
72
68
69
71
65
61

Pressure (mb)

1025
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1023
1023

Ozone (du)

343
343
340
340
340
341
340
340
340
339
337
336
336
336
338
337
337
337
338
337
337
337
337
337

Friday 25

Waning Crescent 2%

05:20

17:35

14 Bad
15 Bad
16 OK
17 Bad
18 OK
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: 06:13, Set: 19:55, Transit: 13:05. Moon - Rise: 05:20, Set: 17:35. Civil Dark: 20:24 - 05:44. Nautical Dark: 20:59 - 05:10. Astro Dark: 21:35 - 04:33

Total Clouds (% Sky Obscured)

30
98
25
10
10
29
42
19
93
98
100
51
48
93
97
97
100
99
99
98
90
98
93
97

Low Clouds (% Sky Obscured)

15
15
15
10
10
15
25
19
31
41
59
51
48
66
82
87
87
85
75
71
66
74
77
79

Medium Clouds (% Sky Obscured)

30
35
25
5
0
0
5
5
27
60
43
45
35
50
93
93
100
96
93
91
52
45
65
65

High Clouds (% Sky Obscured)

30
98
25
10
10
29
42
19
87
93
100
18
12
63
41
17
33
23
52
57
81
86
90
90

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

53
37
22
32
21
68
77
40
33
53
63
46
21
14
20
18
70
72
57
73
95
90
78
61

Precipitation Amount (mm)

0.2
0
0
0
0
0.4
0.4
0
0
0.2
0.3
0
0
0
0
0
0.3
0.2
0
0.3
0.9
0.6
0.4
0.2

Wind Speed/Direction (mph)

9
8
8
8
8
8
9
8
9
8
8
8
8
9
10
9
9
9
9
9
9
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
23
23
23
22
20
17
16
15
15
16
15
15
16
16
16
16
17
17
18
18
18
18
19

Dew Point (°C)

20
22
22
22
21
19
17
16
15
15
16
16
16
16
16
17
17
17
17
17
15
15
15
15

Relative Humidity (%)

80
88
88
89
88
83
86
90
90
93
96
98
98
96
96
96
96
96
96
92
78
72
69
64

Pressure (mb)

1022
1021
1020
1019
1019
1018
1018
1018
1018
1017
1016
1016
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

337
336
334
332
332
330
331
330
328
327
326
326
327
326
328
330
332
336
342
344
343
342
340
339

Saturday 26

Waning Crescent 0%

05:49

18:53

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
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
13 Good

Sun - Rise: 06:12, Set: 19:56, Transit: 13:05. Moon - Rise: 05:49, Set: 18:53. Civil Dark: 20:25 - 05:43. Nautical Dark: 21:00 - 05:08. Astro Dark: 21:37 - 04:31

Total Clouds (% Sky Obscured)

99
95
94
63
30
0
0
0
1
2
0
0
3
2
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

53
26
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

43
22
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

90
90
90
57
28
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

Very Light Rain
Very 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 (%)

61
58
52
38
22
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.3
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)

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

Chance of Frost

Temperature (°C)

21
21
20
20
18
16
15
13
12
11
10
9
8
8
8
7
7
7
8
10
12
14
15
16

Feels Like (°C)

18
17
16
16
15
13
10
9
8
7
6
6
5
5
4
4
4
4
5
6
9
11
12
14

Dew Point (°C)

15
15
14
12
11
10
8
7
6
5
4
3
3
3
3
2
3
3
2
2
2
3
3
3

Relative Humidity (%)

67
68
65
61
62
64
64
66
66
66
67
67
67
69
71
72
74
74
67
56
51
47
43
40

Pressure (mb)

1014
1014
1015
1015
1016
1017
1019
1020
1021
1022
1023
1023
1023
1024
1024
1025
1025
1026
1027
1027
1027
1027
1027
1026

Ozone (du)

339
340
340
343
345
347
349
352
353
355
358
360
362
363
364
365
363
363
361
361
359
359
359
359

Sunday 27

New Moon 2%

06:23

20:13

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

Sun - Rise: 06:10, Set: 19:57, Transit: 13:04. Moon - Rise: 06:23, Set: 20:13. Civil Dark: 20:26 - 05:42. Nautical Dark: 21:01 - 05:07. Astro Dark: 21:38 - 04:29

Total Clouds (% Sky Obscured)

0
0
3
5
9
5
5
16
6
4
18
22
44
50
49
42
34
26
28
29
31
34
36
30

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
12
21
31
24
17
10
13
14
22
20
16
7

High Clouds (% Sky Obscured)

0
0
3
3
8
5
5
16
3
3
18
22
44
50
44
30
17
5
5
3
2
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)

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

Chance of Frost

Temperature (°C)

17
18
18
19
18
16
14
13
12
11
11
11
10
9
9
9
10
11
12
14
16
18
19
21

Feels Like (°C)

15
16
17
18
17
17
14
13
11
12
11
9
8
8
8
8
8
7
7
12
12
13
14
15

Dew Point (°C)

4
4
5
5
5
7
5
5
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5

Relative Humidity (%)

39
39
40
40
43
54
56
58
59
60
60
62
63
67
69
70
68
66
64
55
47
40
38
35

Pressure (mb)

1026
1025
1025
1024
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1026
1026
1025

Ozone (du)

359
359
359
357
356
356
355
355
357
358
357
357
357
356
356
355
354
353
352
352
352
352
350
349

Monday 28

Waxing Crescent 2%

07:05

21:36

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

Sun - Rise: 06:09, Set: 19:58, Transit: 13:04. Moon - Rise: 07:05, Set: 21:36. Civil Dark: 20:27 - 05:40. Nautical Dark: 21:02 - 05:05. Astro Dark: 21:40 - 04:28

Total Clouds (% Sky Obscured)

26
10
7
7
7
9
8
6
5
10
15
21
16
16
23
44
57
61
72
80
88
92
96
100

Low 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

Medium Clouds (% Sky Obscured)

2
3
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
3
6
9
8
6
5
10
15
21
16
16
23
44
57
60
61
65
58
47
73
100

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)

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

Chance of Frost

Temperature (°C)

22
23
23
23
21
20
18
17
16
15
15
15
15
14
13
13
14
14
15
18
20
22
24
25

Feels Like (°C)

15
21
21
20
20
21
21
15
15
15
15
15
15
13
12
12
12
11
11
15
15
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

33
34
35
36
40
44
48
51
55
59
60
60
62
66
70
74
72
71
70
64
59
54
53
51

Pressure (mb)

1024
1024
1023
1022
1022
1022
1022
1022
1022
1023
1022
1022
1022
1021
1021
1021
1021
1022
1022
1022
1021
1021
1020
1019

Ozone (du)

348
347
346
344
343
342
341
341
341
340
339
338
337
336
335
334
335
336
336
334
333
331
329
327

Tuesday 29

Waxing Crescent 6%

07:57

22:55

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: 06:08, Set: 19:59, Transit: 13:04. Moon - Rise: 07:57, Set: 22:55. Civil Dark: 20:28 - 05:39. Nautical Dark: 21:03 - 05:04. Astro Dark: 21:41 - 04:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
93
90
89
92
96
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
9
14

Medium Clouds (% Sky Obscured)

0
1
1
24
46
68
65
58
53
37
25
21
21
22
20
34
49
64

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
95
92
96
69
42
10
37
69
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
0
0
0
0
0
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
11
11
11
11
11
11
12
12
12
11
10
8
9
9
8
8
8

Chance of Frost

Temperature (°C)

26
26
27
27
26
25
24
23
22
22
21
20
20
19
18
18
18
19

Feels Like (°C)

19
25
26
25
25
25
25
21
21
20
20
20
20
17
18
18
18
17

Dew Point (°C)

15
15
16
16
16
15
15
15
15
15
15
15
15
15
15
16
16
16

Relative Humidity (%)

49
49
50
50
53
55
57
58
62
65
69
71
76
78
82
86
85
82

Pressure (mb)

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

Ozone (du)

326
324
323
321
321
320
319
319
318
317
316
315
314
314
314
314
314
315

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

Generated: 23/04/25 14:42:59. Forecast: 23/04/25 to 29/04/25. Timezone: UTC-4.00