Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waxing Crescent 37%

10:29

02:08

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 Bad
19 OK
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

Sun - Rise: 06:20, Set: 19:52, Transit: 13:06. Moon - Rise: 10:29, Set: 02:08. Civil Dark: 20:20 - 05:52. Nautical Dark: 20:53 - 05:18. Astro Dark: 21:29 - 04:42

Total Clouds (% Sky Obscured)

64
72
78
77
53
40
48
39
43
20
8
14
7
8
1
1
1
0
0
0
5
2
4
2

Low Clouds (% Sky Obscured)

0
38
39
41
30
5
0
21
15
8
0
0
0
0
0
0
0
0
0
0
5
0
0
0

Medium Clouds (% Sky Obscured)

64
72
78
16
4
4
3
0
3
0
1
4
1
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

64
72
78
37
10
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
1
2
2
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
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 (%)

16
58
40
15
2
14
2
0
15
4
1
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.6
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
5
5
7
5
5
5
3
2
3
3
4
4
4
4
4
4
4
3
3
3
2
2
3

Chance of Frost

Temperature (°C)

17
15
16
18
19
21
23
22
22
21
19
17
16
15
15
15
14
14
14
13
13
13
15
19

Feels Like (°C)

14
12
14
15
18
20
22
21
23
21
19
18
17
17
16
16
15
15
15
14
13
14
17
21

Dew Point (°C)

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

Relative Humidity (%)

48
46
49
46
52
49
49
63
61
66
70
76
81
82
83
85
84
86
86
87
87
86
73
61

Pressure (mb)

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

Ozone (du)

371
368
368
368
368
368
369
365
363
362
363
363
362
361
360
360
360
360
360
361
361
358
357
356

Thursday 23

First Quarter 49%

11:42

02:48

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

Sun - Rise: 06:18, Set: 19:53, Transit: 13:06. Moon - Rise: 11:42, Set: 02:48. Civil Dark: 20:21 - 05:50. Nautical Dark: 20:54 - 05:17. Astro Dark: 21:30 - 04:41

Total Clouds (% Sky Obscured)

39
55
73
84
87
88
69
40
26
47
53
35
9
9
19
19
20
26
58
76
84
89
56
4

Low Clouds (% Sky Obscured)

39
31
38
48
47
38
5
0
0
0
22
27
0
0
19
19
20
26
35
41
31
8
14
0

Medium Clouds (% Sky Obscured)

0
5
5
6
9
11
69
7
5
9
10
8
1
0
1
2
0
2
24
51
32
38
44
1

High Clouds (% Sky Obscured)

2
14
46
49
38
55
7
3
3
20
36
7
7
9
2
2
2
2
31
54
77
79
16
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
3
3
3
3
21
17
10
4
4
7
4
0
2
13
16
16
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
8
7
7
6
3
4
2
2
3
4
3
3
3
3
3
3
2
3
2
3
3
2
3

Chance of Frost

Temperature (°C)

22
24
25
26
26
25
22
23
24
23
21
19
18
17
16
16
15
15
15
14
14
14
16
18

Feels Like (°C)

23
24
25
25
25
25
23
24
27
26
22
20
20
19
18
18
18
17
17
15
13
13
15
18

Dew Point (°C)

12
12
13
12
13
17
19
19
17
18
16
15
15
14
14
14
14
14
14
13
13
13
13
13

Relative Humidity (%)

53
49
46
42
45
61
79
78
62
71
76
80
82
83
86
89
90
92
93
90
93
93
82
71

Pressure (mb)

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

Ozone (du)

356
358
359
358
355
355
355
355
357
355
355
353
353
354
354
354
354
354
354
355
356
357
359
359

Friday 24

Waxing Gibbous 60%

12:54

03:20

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

Sun - Rise: 06:17, Set: 19:54, Transit: 13:06. Moon - Rise: 12:54, Set: 03:20. Civil Dark: 20:22 - 05:49. Nautical Dark: 20:55 - 05:15. Astro Dark: 21:31 - 04:39

Total Clouds (% Sky Obscured)

1
1
58
43
55
79
67
96
70
51
58
15
19
21
19
9
27
57
78
85
92
100
99
99

Low Clouds (% Sky Obscured)

0
0
11
33
40
21
23
44
33
0
1
0
0
0
0
0
0
4
19
39
48
60
52
44

Medium Clouds (% Sky Obscured)

0
0
44
27
34
68
56
81
56
49
58
15
16
20
19
5
18
40
45
52
63
75
82
79

High Clouds (% Sky Obscured)

1
1
1
1
1
5
5
86
3
1
1
14
4
1
1
8
10
15
15
26
58
100
96
92

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
3
9
16
28
30
24
48
63
40
34
22
9
12
0
0
0
0
0
0
0
0
2
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
24
26
27
28
24
27
27
25
21
18
17
15
14
14
13
13
12
12
12
12
13
14
16

Feels Like (°C)

23
26
27
27
28
23
30
28
25
21
19
17
13
13
14
13
12
13
12
12
12
13
14
16

Dew Point (°C)

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

Relative Humidity (%)

59
52
45
41
37
59
43
42
51
70
80
83
79
86
92
95
95
95
96
96
98
96
89
82

Pressure (mb)

1012
1011
1010
1010
1009
1008
1008
1008
1008
1009
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

358
357
356
355
354
355
356
355
355
355
354
352
351
351
350
350
349
348
349
348
348
348
348
349

Saturday 25

Waxing Gibbous 71%

14:04

03:47

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:16, Set: 19:55, Transit: 13:06. Moon - Rise: 14:04, Set: 03:47. Civil Dark: 20:23 - 05:48. Nautical Dark: 20:57 - 05:14. Astro Dark: 21:33 - 04:37

Total Clouds (% Sky Obscured)

98
91
85
78
85
93
100
100
100
100
100
100
100
100
100
100
99
99
98
99
99
100
87
90

Low Clouds (% Sky Obscured)

33
31
32
28
27
33
40
50
61
72
63
55
46
46
46
46
63
80
97
98
98
99
87
88

Medium Clouds (% Sky Obscured)

81
77
75
71
81
90
100
91
55
45
28
16
0
0
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

88
75
60
45
58
80
100
100
100
100
100
100
100
100
100
100
89
79
75
87
97
100
42
72

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
21
14
9
15
31
42
32
31
27
32
28
17
13
7
0
1
1
1
2
4
3
4
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
5
4
4
6
5
5
5
6
7
7
6
6
6
6
6
6
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

19
21
20
20
20
23
22
22
21
20
19
16
15
14
13
12
11
11
10
10
10
11
11
13

Feels Like (°C)

19
21
20
19
20
22
22
21
21
20
18
15
14
13
12
10
10
9
9
9
9
10
10
12

Dew Point (°C)

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

Relative Humidity (%)

69
60
64
72
76
59
68
77
79
76
84
95
96
96
98
98
100
98
98
98
93
90
86
74

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1008
1009
1010
1010
1012
1012
1013
1013
1014
1015
1015
1016
1016
1017
1018
1018
1019

Ozone (du)

348
348
347
350
350
350
350
352
356
355
358
360
361
362
362
362
363
364
365
366
366
371
374
375

Sunday 26

Waxing Gibbous 80%

15:10

04:10

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

Sun - Rise: 06:15, Set: 19:56, Transit: 13:06. Moon - Rise: 15:10, Set: 04:10. Civil Dark: 20:24 - 05:46. Nautical Dark: 20:58 - 05:12. Astro Dark: 21:34 - 04:36

Total Clouds (% Sky Obscured)

87
64
64
59
58
49
47
51
45
43
34
19
3
38
43
49
100
100
100
100
100
100
99
97

Low Clouds (% Sky Obscured)

83
64
64
59
58
49
47
51
45
43
34
19
0
11
22
32
24
23
25
16
8
0
7
14

Medium Clouds (% Sky Obscured)

3
1
0
0
0
0
0
1
3
4
3
2
0
0
0
0
34
17
10
18
20
22
23
19

High Clouds (% Sky Obscured)

49
3
1
0
1
1
1
8
12
21
31
17
2
25
18
25
100
100
100
100
100
100
70
36

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 (%)

3
2
2
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)

6
6
7
6
5
6
5
5
5
7
5
4
3
3
4
4
3
4
4
3
4
4
4
4

Chance of Frost

Temperature (°C)

14
16
17
19
20
20
21
21
20
18
14
13
12
11
11
10
9
10
9
9
10
11
12
14

Feels Like (°C)

13
14
17
18
20
20
21
21
20
17
14
13
12
12
9
8
8
8
8
8
7
7
7
12

Dew Point (°C)

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

Relative Humidity (%)

59
50
43
36
32
31
30
30
35
50
61
66
66
70
76
84
90
90
91
91
85
79
73
61

Pressure (mb)

1019
1020
1019
1019
1019
1019
1018
1018
1019
1019
1020
1021
1021
1021
1021
1022
1022
1021
1021
1021
1021
1021
1022
1021

Ozone (du)

373
373
373
371
372
370
366
364
363
363
362
361
360
356
357
359
357
356
354
353
353
352
352
351

Monday 27

Waxing Gibbous 88%

16:14

04:33

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:13, Set: 19:56, Transit: 13:06. Moon - Rise: 16:14, Set: 04:33. Civil Dark: 20:25 - 05:45. Nautical Dark: 20:59 - 05:11. Astro Dark: 21:35 - 04:34

Total Clouds (% Sky Obscured)

96
93
91
91
95
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
37
53
65
58
52
48
47
46
45
64
82
100
97
94
90
78
68
63
72
81
90
90
92

Medium Clouds (% Sky Obscured)

25
42
57
65
68
68
66
76
87
100
92
85
84
86
80
72
79
89
100
100
100
100
74
47

High Clouds (% Sky Obscured)

5
12
20
27
51
75
98
90
87
83
89
95
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
9
9
9
8
8
7
7
8
9
6

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

2
14
19
23
21
17
4
6
5
3
8
8
0
2
5
9
50
62
69
93
95
95
95
79

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.9
1.1
0.8
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
13
20
20
19
20
20
20
13
13
14
13
13
12
12
13
13
14
14
13
17

Dew Point (°C)

6
6
5
3
2
3
5
6
7
7
8
8
8
8
9
10
12
12
13
14
15
16
16
17

Relative Humidity (%)

51
43
37
32
28
31
36
40
45
49
54
56
57
60
67
74
83
86
92
98
96
98
96
96

Pressure (mb)

1021
1021
1021
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1015
1015
1014
1013
1012
1012
1011
1011
1011

Ozone (du)

349
348
346
344
342
340
339
338
338
338
337
336
335
334
334
334
335
334
333
332
333
334
335
336

Tuesday 28

Waxing Gibbous 94%

17:16

04:55

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

Sun - Rise: 06:12, Set: 19:57, Transit: 13:05. Moon - Rise: 17:16, Set: 04:55. Civil Dark: 20:26 - 05:44. Nautical Dark: 21:00 - 05:09. Astro Dark: 21:37 - 04:33

Total Clouds (% Sky Obscured)

100
98
95
92
82
71
57
44
27
12
14
15
15
16
16
22
26
41
45
54
69
80

Low Clouds (% Sky Obscured)

93
89
79
70
44
27
12
10
10
12
11
9
6
4
2
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

19
35
46
61
47
30
11
7
4
0
0
0
0
0
0
0
3
8
18
25
33
49

High Clouds (% Sky Obscured)

100
70
40
10
3
5
2
3
4
1
0
0
0
1
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
1
4
6
9
9
9
9
9
9
9
7
4
2
4
7
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
51
58
62
67
68
65
58
52
49
39
29
13
8
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.2
0.3
0.4
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
20
21
21
23
24
25
23
22
20
19
18
16
15
15
14
13
12
11
12
12

Feels Like (°C)

17
18
18
19
19
23
22
23
24
25
26
21
21
20
19
19
19
12
12
12
11
11

Dew Point (°C)

17
18
19
19
19
19
18
17
17
17
17
17
17
16
15
14
14
13
12
11
11
11

Relative Humidity (%)

98
98
93
91
87
76
68
60
67
76
86
91
93
98
96
96
98
96
98
98
96
93

Pressure (mb)

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

Ozone (du)

338
339
345
351
357
362
367
372
374
375
376
377
378
379
375
370
366
368
369
370
372
373

Forecast for Friendship Acres, Charles County, United States of America (38.44,-77.13)

Generated: 22/04/26 10:35:09. Forecast: 22/04/26 to 28/04/26. Timezone: UTC-4.00