Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 10%

08:48

22:50

15 Bad
16 Bad
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 OK
14 OK

Sun - Rise: 07:06, Set: 19:21, Transit: 13:14. Moon - Rise: 08:48, Set: 22:50. Civil Dark: 19:47 - 06:39. Nautical Dark: 20:19 - 06:08. Astro Dark: 20:51 - 05:36

Total Clouds (% Sky Obscured)

62
55
72
47
69
76
85
79
85
74
74
77
74
100
86
88
90
82
86
79
65
49
45
48

Low Clouds (% Sky Obscured)

9
2
0
0
2
5
12
12
20
15
14
23
25
44
57
61
71
69
28
17
0
0
0
0

Medium Clouds (% Sky Obscured)

19
13
9
47
55
75
25
20
20
13
11
4
4
5
17
76
65
21
8
6
65
49
45
48

High Clouds (% Sky Obscured)

6
12
2
1
28
35
39
30
30
35
35
29
72
100
79
48
58
31
82
63
65
49
45
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
1
0
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)

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

Chance of Frost

Temperature (°C)

18
17
15
16
15
13
12
11
11
11
10
9
9
8
8
8
8
8
9
11
14
17
20
22

Feels Like (°C)

16
16
14
17
13
10
8
8
8
7
7
7
6
7
6
7
6
7
8
9
12
15
17
20

Dew Point (°C)

8
6
5
6
7
5
4
5
5
7
8
8
8
7
8
8
8
8
8
7
7
8
9
12

Relative Humidity (%)

51
49
49
53
60
60
61
65
68
80
87
91
93
95
96
98
98
96
90
75
63
56
51
50

Pressure (mb)

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

Ozone (du)

337
334
332
331
330
326
324
326
324
324
324
321
319
321
322
324
321
319
320
320
320
320
318
315

Sunday 22

Waxing Crescent 18%

09:30

00:07

15 OK
16 OK
17 OK
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 OK
13 Bad
14 Bad

Sun - Rise: 07:04, Set: 19:22, Transit: 13:13. Moon - Rise: 09:30, Set: 00:07. Civil Dark: 19:48 - 06:37. Nautical Dark: 20:20 - 06:06. Astro Dark: 20:52 - 05:34

Total Clouds (% Sky Obscured)

42
41
40
100
100
76
100
92
96
96
100
100
100
100
100
100
100
100
89
66
50
43
51
48

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
10
20
10
26
41
46
77
59
72
60
50
43
51
46

Medium Clouds (% Sky Obscured)

42
41
40
75
65
4
61
65
55
45
35
50
100
100
100
95
70
33
22
0
0
0
0
0

High Clouds (% Sky Obscured)

42
41
40
100
100
75
99
92
96
96
100
100
100
100
100
100
100
57
10
14
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
1
4
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
Light Rain
Moderate Rain
Moderate Rain
Light Rain
None
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
6
12
26
30
27
45
95
95
95
95
65
88
7
1
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
3.6
4.3
0.5
0
0.7
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
11
11
9
9
9
9
9
7
6
7
9
7
7
8
8
11
12
15
16
17
16
16

Chance of Frost

Temperature (°C)

24
25
25
25
24
22
22
21
20
20
19
18
18
17
17
16
15
14
12
14
14
13
13
13

Feels Like (°C)

22
22
22
23
21
20
19
19
19
19
19
17
15
15
14
13
11
10
7
8
8
8
8
8

Dew Point (°C)

14
15
14
14
15
14
14
14
15
16
17
17
17
16
16
15
13
12
10
10
9
6
5
3

Relative Humidity (%)

54
54
50
52
56
57
61
65
70
78
86
90
90
95
95
92
87
86
84
80
71
62
57
52

Pressure (mb)

1006
1005
1004
1004
1004
1004
1004
1003
1003
1003
1002
1002
1002
1002
1003
1004
1006
1007
1009
1011
1012
1013
1014
1015

Ozone (du)

312
310
309
311
311
310
311
313
313
313
313
314
314
315
315
316
319
321
325
326
326
324
327
328

Monday 23

Waxing Crescent 29%

10:22

01:22

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

Sun - Rise: 07:03, Set: 19:23, Transit: 13:13. Moon - Rise: 10:22, Set: 01:22. Civil Dark: 19:49 - 06:36. Nautical Dark: 20:21 - 06:04. Astro Dark: 20:53 - 05:32

Total Clouds (% Sky Obscured)

18
29
23
9
8
2
0
21
50
32
2
1
2
11
26
32
35
35
30
15
9
2
2
5

Low Clouds (% Sky Obscured)

18
29
23
9
8
1
0
17
31
14
0
0
0
1
3
3
2
3
1
4
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
11
29
5
3
2
1
2

High Clouds (% Sky Obscured)

0
0
0
0
0
2
0
1
15
10
2
0
0
5
9
9
15
20
20
15
9
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)

16
15
14
12
10
9
9
10
9
9
9
8
7
7
7
7
6
7
7
7
7
6
6
5

Chance of Frost

Temperature (°C)

12
12
11
10
9
8
7
6
5
4
3
3
2
1
1
0
0
1
2
3
4
5
7
7

Feels Like (°C)

8
7
7
8
7
6
4
3
2
-1
-2
-1
0
-1
-2
-3
-4
-4
-3
-1
0
2
5
6

Dew Point (°C)

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

Relative Humidity (%)

50
47
47
50
56
62
62
59
62
60
62
65
70
74
74
75
73
65
59
55
50
46
41
39

Pressure (mb)

1015
1016
1017
1018
1019
1020
1022
1023
1024
1024
1025
1025
1026
1026
1027
1027
1028
1029
1030
1030
1031
1030
1029
1029

Ozone (du)

331
333
335
334
333
334
338
340
341
344
345
345
346
345
345
349
353
356
356
356
354
353
353
354

Tuesday 24

Waxing Crescent 40%

11:24

02:29

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

Sun - Rise: 07:01, Set: 19:24, Transit: 13:13. Moon - Rise: 11:24, Set: 02:29. Civil Dark: 19:50 - 06:34. Nautical Dark: 20:22 - 06:03. Astro Dark: 20:54 - 05:30

Total Clouds (% Sky Obscured)

5
11
15
25
42
47
49
59
71
80
64
44
66
93
76
95
98
97
85
88
92
92
86
80

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
28
42
38
35
32
27
21
15
21

Medium Clouds (% Sky Obscured)

4
6
12
21
27
30
32
35
64
74
64
44
66
67
73
92
95
92
85
88
91
81
66
65

High Clouds (% Sky Obscured)

0
3
1
1
34
40
40
45
45
54
3
4
10
77
36
50
63
57
20
28
38
37
40
31

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
10
15
19
26

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
4
4
4
3
4
4
4
4
4
4
4
4
3
3
3
3
3
3
4
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

37
37
36
36
45
46
47
47
49
53
57
60
66
68
68
71
71
68
61
56
51
47
44
42

Pressure (mb)

1028
1027
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1027
1027
1027
1027
1027
1027
1026
1025
1024

Ozone (du)

353
353
357
358
358
361
365
367
366
366
365
366
363
361
359
357
359
359
360
359
358
358
356
357

Wednesday 25

First Quarter 52%

12:34

03:26

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
13 Bad
14 Bad

Sun - Rise: 06:59, Set: 19:25, Transit: 13:12. Moon - Rise: 12:34, Set: 03:26. Civil Dark: 19:51 - 06:33. Nautical Dark: 20:23 - 06:01. Astro Dark: 20:55 - 05:29

Total Clouds (% Sky Obscured)

72
87
100
100
100
100
100
100
86
95
94
76
66
56
65
75
83
84
86
88
88
89
85
89

Low Clouds (% Sky Obscured)

26
30
20
10
0
0
0
0
4
8
12
0
0
0
0
0
0
25
44
35
46
58
67
58

Medium Clouds (% Sky Obscured)

65
65
65
76
95
99
100
100
86
95
94
60
60
56
61
61
61
64
63
44
46
53
39
50

High Clouds (% Sky Obscured)

34
73
100
99
99
87
74
5
27
4
4
16
12
8
17
25
33
23
13
4
0
0
0
33

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 (%)

28
27
22
21
20
18
18
21
21
19
14
0
0
0
0
0
0
0
0
0
11
14
17
17

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
7
7
6
6
6
6
6
7
6
6
6
6
6
6
6
7
7
9
11
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
39
41
49
54
56
58
56
54
54
56
59
63
69
72
75
76
78
73
68
64
68
73
78

Pressure (mb)

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

Ozone (du)

353
351
350
348
348
347
346
344
343
339
337
333
329
325
321
317
313
309
306
303
301
298
296
294

Thursday 26

Waxing Gibbous 64%

13:47

04:11

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
13 Bad
14 Bad

Sun - Rise: 06:58, Set: 19:26, Transit: 13:12. Moon - Rise: 13:47, Set: 04:11. Civil Dark: 19:52 - 06:31. Nautical Dark: 20:24 - 05:59. Astro Dark: 20:56 - 05:27

Total Clouds (% Sky Obscured)

91
100
100
100
100
100
100
100
100
100
100
88
79
74
90
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
28
25
23
20
28
36
44
49
54
59
60
60
62
43
36
65
95
96
92
84
79
73
58

Medium Clouds (% Sky Obscured)

70
94
93
91
70
59
44
36
49
68
88
88
79
74
90
98
100
78
56
35
52
68
84
89

High Clouds (% Sky Obscured)

67
100
100
100
100
100
100
100
100
98
82
68
50
70
90
96
99
96
93
90
93
96
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
7
5
6
6
7
8
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

14
4
30
41
49
61
68
80
75
95
63
79
87
93
88
79
68
54
36
5
11
14
16
36

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.2
0.3
0.2
0.8
0.2
0.5
0.6
0.9
0.7
0.6
0.4
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
11
11
11
10
10
10
10
10
10
10
11
11
12
12
11
11
6
5
3
3
3
3

Dew Point (°C)

11
12
12
12
12
12
11
11
12
12
12
12
12
12
12
11
9
7
6
4
3
2
2
1

Relative Humidity (%)

79
80
82
82
84
86
87
90
95
95
95
93
96
96
98
93
90
85
84
81
78
78
76
76

Pressure (mb)

1013
1011
1010
1009
1009
1008
1008
1007
1007
1007
1008
1008
1009
1010
1011
1013
1014
1016
1017
1018
1019
1020
1021
1021

Ozone (du)

292
290
288
287
285
284
285
285
286
285
283
282
282
282
282
282
281
280
281
283
284
283
283
282

Friday 27

Waxing Gibbous 74%

14:59

04:47

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 OK
06 Good
07 Good

Sun - Rise: 06:56, Set: 19:27, Transit: 13:12. Moon - Rise: 14:59, Set: 04:47. Civil Dark: 19:53 - 06:29. Nautical Dark: 20:25 - 05:58. Astro Dark: 20:58 - 05:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
98
99
99
100
78
59
41
29
17
5

Low Clouds (% Sky Obscured)

52
40
27
10
7
5
2
0
0
0
1
4
3
3
3
3
2

Medium Clouds (% Sky Obscured)

94
98
98
96
95
82
69
62
38
18
7
4
2
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
99
98
96
97
99
100
68
36
2
0
0
0

ISS Passover

Visibility (miles)

7
5
2
4
5
7
8
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

Precipitation Type

None
Ice pellet
Ice pellet
Ice pellet
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

50
62
67
67
63
53
41
23
16
10
1
3
2
0
0
0
0

Precipitation Amount (mm)

0
0.3
0.3
0.3
0.3
0.2
0.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
86
94
93
93
91
91
91
91
91
89
89
89
87
86
83
79

Pressure (mb)

1021
1022
1022
1023
1024
1025
1025
1026
1027
1027
1028
1028
1029
1029
1030
1030
1031

Ozone (du)

283
283
283
285
287
288
288
288
287
291
295
299
304
308
313
317
321

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

Generated: 21/03/26 15:06:13. Forecast: 21/03/26 to 27/03/26. Timezone: UTC-4.00