Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 21

Waxing Crescent 9%

09:03

20:22

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

Sun - Rise: 07:22, Set: 17:16, Transit: 12:19. Moon - Rise: 09:03, Set: 20:22. Civil Dark: 17:44 - 06:52. Nautical Dark: 18:17 - 06:20. Astro Dark: 18:49 - 05:48

Total Clouds (% Sky Obscured)

0
21
14
24
47
67
67
67
42
50
42
69
97
100
100
31
25
22
35
91
84
42
41
25

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
13
3
3
60
58
26
3
5
12
21
91
84
28
36
17

Medium Clouds (% Sky Obscured)

0
11
9
24
43
46
34
67
27
34
27
66
97
100
100
27
25
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
3
5
8
4
13
15
29
3
4
2
0
0
16
2
0
0
0
0
0
0
0
2
3

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
1
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
4
6
8
11
12
14
14
12
12
10
10
11
12
12
12
12
11
10
10
9
7
6
5

Chance of Frost

Temperature (°C)

-9
-9
-7
-4
-2
0
1
2
3
3
2
1
1
2
2
1
1
1
1
1
0
1
1
0

Feels Like (°C)

-12
-12
-11
-8
-7
-6
-4
-4
-4
-3
-3
-4
-5
-5
-6
-5
-4
-5
-3
-4
-5
-5
-2
-3

Dew Point (°C)

-22
-21
-20
-17
-15
-14
-15
-15
-14
-14
-13
-13
-12
-11
-10
-10
-9
-8
-7
-6
-7
-6
-4
-3

Relative Humidity (%)

36
35
35
37
36
33
29
27
27
28
31
35
37
38
41
43
48
52
57
60
60
62
73
78

Pressure (mb)

1034
1034
1034
1033
1033
1030
1028
1025
1025
1024
1024
1024
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1021

Ozone (du)

339
334
331
328
324
322
322
322
326
332
332
334
335
334
335
341
346
351
349
350
354
357
359
359

Thursday 22

Waxing Crescent 16%

09:26

21:28

07 OK
08 OK
09 OK
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

Sun - Rise: 07:21, Set: 17:17, Transit: 12:19. Moon - Rise: 09:26, Set: 21:28. Civil Dark: 17:45 - 06:52. Nautical Dark: 18:18 - 06:19. Astro Dark: 18:50 - 05:47

Total Clouds (% Sky Obscured)

46
38
45
74
80
67
93
100
100
52
56
90
84
82
67
76
70
96
92
100
76
75
100
100

Low Clouds (% Sky Obscured)

9
1
0
1
7
32
35
23
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
60
70
0
0
56
70
77
67
67
64
80
75
44
17
54
100
100

High Clouds (% Sky Obscured)

40
36
45
71
58
52
92
100
100
33
37
30
46
45
8
29
3
11
53
83
76
72
57
63

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)

5
4
5
6
10
12
13
12
11
9
5
5
5
5
5
5
5
6
7
7
6
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
71
61
52
48
47
47
47
50
59
66
67
65
65
67
69
67
61
59
61
63
65
60

Pressure (mb)

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

Ozone (du)

359
359
360
359
357
358
360
359
358
359
359
361
365
369
369
367
362
358
356
351
347
344
344
345

Friday 23

Waxing Crescent 25%

09:49

22:36

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:20, Set: 17:18, Transit: 12:19. Moon - Rise: 09:49, Set: 22:36. Civil Dark: 17:47 - 06:51. Nautical Dark: 18:19 - 06:19. Astro Dark: 18:51 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
87
65
100
100
100
100
100
97
94
91
72
52
33
54
67
87

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
2
2
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
79
65
82
38
59
48
64
97
93
90
72
52
33
50
48
57

High Clouds (% Sky Obscured)

79
100
100
100
100
61
100
97
65
17
27
63
51
36
22
34
48
67
48
29
10
34
52
78

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
7
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
2
4
4
5
5
4

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
9
11
11
11
11
11
11
11
13
12
13
13
14
15
14
13
13
13
12
12
11
11

Chance of Frost

Temperature (°C)

-1
-1
-1
0
1
2
3
4
3
3
1
-1
-3
-5
-6
-8
-9
-10
-10
-11
-12
-12
-13
-13

Feels Like (°C)

-6
-7
-7
-6
-5
-5
-4
-3
-3
-4
-6
-9
-10
-12
-14
-16
-17
-17
-18
-19
-19
-20
-20
-20

Dew Point (°C)

-9
-10
-10
-11
-11
-11
-11
-10
-8
-8
-8
-11
-12
-13
-15
-18
-20
-21
-21
-23
-23
-24
-24
-24

Relative Humidity (%)

55
52
49
44
40
38
36
37
42
46
51
49
50
52
48
42
38
40
39
38
37
36
36
37

Pressure (mb)

1024
1025
1025
1026
1026
1025
1024
1024
1024
1024
1025
1027
1028
1029
1031
1031
1032
1033
1034
1035
1035
1036
1037
1037

Ozone (du)

342
338
336
337
337
337
339
332
324
319
315
311
307
303
300
299
294
292
290
292
292
291
290
290

Saturday 24

Waxing Crescent 36%

10:13

23:45

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:20, Set: 17:19, Transit: 12:19. Moon - Rise: 10:13, Set: 23:45. Civil Dark: 17:48 - 06:50. Nautical Dark: 18:20 - 06:18. Astro Dark: 18:52 - 05:46

Total Clouds (% Sky Obscured)

92
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
0
0
0
0
0
0
14
29
43
62
81
100
100
100
100

Medium Clouds (% Sky Obscured)

66
78
89
93
96
100
98
96
93
95
94
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

86
93
100
100
100
100
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
8
9
9
9
9
9
9
4
2
2
1
1
2
0
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
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

4
2
4
1
1
0
0
1
0
0
0
0
0
0
0
18
17
28
39
48
64
85
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.7
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-13
-13
-13
-12
-12
-11
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-11
-11
-11

Feels Like (°C)

-20
-19
-19
-19
-18
-17
-15
-16
-15
-15
-15
-15
-15
-15
-16
-14
-14
-15
-15
-14
-15
-15
-15
-15

Dew Point (°C)

-24
-24
-24
-24
-24
-24
-24
-25
-25
-25
-25
-25
-26
-26
-26
-25
-24
-24
-23
-22
-17
-13
-13
-12

Relative Humidity (%)

38
38
37
35
34
33
31
29
28
28
28
27
26
26
27
27
29
30
31
36
58
83
85
86

Pressure (mb)

1038
1039
1039
1039
1039
1038
1038
1037
1037
1037
1037
1038
1038
1038
1037
1037
1036
1036
1035
1035
1034
1034
1033
1033

Ozone (du)

291
292
290
291
290
290
289
289
287
289
289
290
291
292
292
291
292
291
290
289
290
290
287
285

Sunday 25

First Quarter 47%

10:39

00:58

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:19, Set: 17:20, Transit: 12:20. Moon - Rise: 10:39, Set: 00:58. Civil Dark: 17:49 - 06:50. Nautical Dark: 18:21 - 06:17. Astro Dark: 18:53 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
97
93
90
82
74
65

Low Clouds (% Sky Obscured)

100
100
100
100
99
99
100
100
100
100
100
100
96
94
95
96
97
98
93
85
80
64
48
32

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
98
93
89
85
73
56
49
35
39
43
37

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
80
47
10
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
3
4

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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
81
70
61
49
36
31
26
20

Precipitation Amount (mm)

0.9
0.9
0.9
1
1
0.9
1
1
1.1
1.2
1.3
1.2
1.1
1
0.8
0.6
0.4
0.3
0.3
0.2
0.1
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-11
-11
-10
-10
-10
-10
-9
-9
-8
-8
-9
-9
-9
-9
-9
-10
-10
-9
-9
-10
-10
-10
-10
-11

Feels Like (°C)

-15
-15
-15
-15
-15
-14
-13
-14
-13
-13
-13
-13
-13
-13
-14
-14
-14
-14
-14
-14
-14
-13
-13
-13

Dew Point (°C)

-12
-12
-12
-12
-12
-11
-11
-11
-10
-9
-10
-10
-10
-10
-10
-11
-11
-10
-10
-11
-11
-11
-11
-13

Relative Humidity (%)

86
88
86
86
86
88
88
88
90
92
92
92
92
92
92
92
92
92
92
92
92
92
92
90

Pressure (mb)

1032
1032
1031
1031
1030
1029
1027
1027
1026
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1021
1021
1021
1022
1022

Ozone (du)

285
287
287
287
287
286
287
287
286
286
286
286
286
286
286
286
287
289
291
293
295
298
297
297

Monday 26

Waxing Gibbous 59%

11:10

02:13

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

Sun - Rise: 07:18, Set: 17:21, Transit: 12:20. Moon - Rise: 11:10, Set: 02:13. Civil Dark: 17:50 - 06:49. Nautical Dark: 18:22 - 06:17. Astro Dark: 18:54 - 05:45

Total Clouds (% Sky Obscured)

43
22
0
0
0
2
5
11
22
28
20
4
4
5
5
5
5
5
5
4
4
4
4
3

Low Clouds (% Sky Obscured)

21
11
0
0
0
0
0
0
3
2
5
2
4
4
5
4
4
3
3
2
2
1
0
0

Medium Clouds (% Sky Obscured)

22
8
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)

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)

6
7
8
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 (%)

16
10
2
2
1
0
0
0
0
0
0
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-16
-16
-15
-14
-13
-13
-9
-10
-10
-11
-10
-10
-14
-14
-15
-15
-15
-15
-18
-19
-19
-20
-19

Dew Point (°C)

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

Relative Humidity (%)

90
88
87
87
83
82
79
79
77
77
79
80
80
81
81
79
79
81
81
81
81
80
80
80

Pressure (mb)

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

Ozone (du)

296
298
300
302
304
307
309
312
315
317
327
336
345
350
355
359
361
362
364
364
364
365
364
363

Tuesday 27

Waxing Gibbous 70%

11:48

03:29

Sun - Rise: 07:18, Set: 17:23, Transit: 12:20. Moon - Rise: 11:48, Set: 03:29. Civil Dark: 17:51 - 06:48. Nautical Dark: 18:23 - 06:16. Astro Dark: 18:55 - 05:44

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 21/01/26 07:12:30. Forecast: 21/01/26 to 27/01/26. Timezone: UTC-5.00