Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 30

Waxing Gibbous 79%

13:43

01:47

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

Sun - Rise: 07:08, Set: 16:44, Transit: 11:56. Moon - Rise: 13:43, Set: 01:47. Civil Dark: 17:14 - 06:38. Nautical Dark: 17:47 - 06:05. Astro Dark: 18:19 - 05:33

Total Clouds (% Sky Obscured)

100
100
100
100
86
96
100
100
100
100
100
100
100
100
98
99
100
100
100
100
100
100
100
85

Low Clouds (% Sky Obscured)

70
65
60
55
38
55
70
75
100
93
92
92
94
79
69
63
66
31
34
27
3
0
0
0

Medium Clouds (% Sky Obscured)

98
100
98
97
69
96
78
100
85
56
99
26
25
24
11
8
5
11
22
0
0
25
23
75

High Clouds (% Sky Obscured)

52
39
6
81
22
36
41
49
43
64
100
100
100
100
91
98
100
100
100
100
100
100
98
85

ISS Passover

Visibility (miles)

9
3
8
2
9
4
2
1
5
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
Snow
Snow
Snow
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
2
1
15
7
22
37
47
47
72
70
29
8
2
0
0
0
2
3
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
0
1
1
2
2
2
2
3
5
6
6
5
5
5
5
5
3
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
52
52
56
56
59
60
61
65
61
57
54
52
56
61
64
65
66
72
78
79
65
63
66

Pressure (mb)

1031
1030
1030
1029
1028
1027
1027
1027
1026
1025
1025
1024
1022
1021
1020
1020
1020
1020
1021
1022
1023
1023
1024
1025

Ozone (du)

306
310
309
308
305
306
309
309
310
311
313
314
312
311
310
309
310
314
319
322
324
326
329
334

Monday 1

Waxing Gibbous 88%

14:10

03:00

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

Sun - Rise: 07:09, Set: 16:44, Transit: 11:57. Moon - Rise: 14:10, Set: 03:00. Civil Dark: 17:14 - 06:39. Nautical Dark: 17:47 - 06:06. Astro Dark: 18:19 - 05:34

Total Clouds (% Sky Obscured)

63
8
4
23
40
40
40
66
46
45
51
29
15
58
90
93
99
100
100
92
100
100
76
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

39
4
0
4
40
40
40
22
46
45
3
2
2
11
16
27
0
18
1
2
56
16
32
67

High Clouds (% Sky Obscured)

63
5
4
23
40
39
40
40
46
41
51
29
9
48
80
80
98
100
100
89
100
100
55
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)

11
10
10
10
10
10
10
9
8
9
11
10
9
8
7
5
3
3
2
3
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-5
-4
-4
-4
-5
-5
-5
-5
-4
-5
-5
-6
-6
-6
-6
-5
-6
-6
-7
-8
-8
-7
-7

Relative Humidity (%)

68
69
71
74
74
71
71
72
71
66
59
53
48
46
44
44
50
54
56
56
53
54
58
59

Pressure (mb)

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

Ozone (du)

335
335
335
336
336
337
339
342
345
347
349
349
346
345
345
346
346
347
349
347
344
341
343
343

Tuesday 2

Waxing Gibbous 95%

14:41

04:17

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Good
22 Good
23 Good

Sun - Rise: 07:10, Set: 16:44, Transit: 11:57. Moon - Rise: 14:41, Set: 04:17. Civil Dark: 17:14 - 06:40. Nautical Dark: 17:47 - 06:07. Astro Dark: 18:19 - 05:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
82
97
81
58
50
52
42
64
50
12
8
4

Low Clouds (% Sky Obscured)

1
75
87
99
100
87
92
100
89
94
71
76
67
74
76
56
49
51
42
64
46
12
8
4

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
75
93
70
3
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
87
5
5
10
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
3
0
0
0
0
0
0
0
0
0
0
0
5
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
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
34
86
95
95
95
95
95
95
95
95
95
83
15
8
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.5
0.7
2
2.8
2
1.4
3.2
3.2
3.2
0.6
0.5
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
7
6
6
6
7
8
7
4
4
3
4
6
10
11
11
11
12
12
12
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
60
60
64
71
94
100
98
100
98
100
100
98
100
98
98
96
94
88
86
80
81
86
86

Pressure (mb)

1023
1022
1020
1020
1018
1016
1014
1013
1013
1012
1012
1011
1009
1008
1008
1008
1009
1009
1010
1011
1013
1013
1014
1015

Ozone (du)

341
340
342
345
346
347
345
344
346
342
341
342
340
342
346
348
346
343
342
342
342
344
345
343

Wednesday 3

Waxing Gibbous 99%

15:21

05:37

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
14 OK
15 Bad
16 OK
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 07:11, Set: 16:44, Transit: 11:57. Moon - Rise: 15:21, Set: 05:37. Civil Dark: 17:14 - 06:41. Nautical Dark: 17:47 - 06:08. Astro Dark: 18:19 - 05:35

Total Clouds (% Sky Obscured)

1
1
1
1
1
1
1
1
1
5
6
5
3
18
36
53
40
30
8
5
8
15
10
10

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)

0
0
0
0
0
0
1
0
0
2
4
3
0
10
20
25
20
20
5
4
8
15
10
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
84
86
87
87
87
87
86
81
77
76
73
73
75
76
80
83
81
80
78
78
78
77

Pressure (mb)

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

Ozone (du)

341
339
337
334
332
331
328
326
324
323
320
317
314
312
313
316
318
320
323
322
324
325
326
327

Thursday 4

Full Moon 100%

16:11

06:59

00 Good
01 OK
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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK

Sun - Rise: 07:12, Set: 16:44, Transit: 11:58. Moon - Rise: 16:11, Set: 06:59. Civil Dark: 17:13 - 06:42. Nautical Dark: 17:47 - 06:09. Astro Dark: 18:19 - 05:36

Total Clouds (% Sky Obscured)

15
44
72
93
97
98
100
92
85
77
85
92
95
68
74
78
74
70
66
58
47
33
39
41

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
0
0
0
0
0
35
46
56
56
55
55
37
15
3
3
3

Medium Clouds (% Sky Obscured)

0
19
39
58
61
72
85
90
76
67
54
40
26
6
3
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

15
44
70
65
77
88
100
88
76
60
73
87
86
63
63
66
62
55
44
39
47
33
39
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 (%)

0
0
0
0
0
0
0
0
1
0
0
0
0
3
4
2
5
8
8
8
6
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
5
5
5
5
4
4
4
4
5
5
7
9
13
11
13
16
15
14
13
13
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
80
81
83
83
86
86
84
81
77
71
67
66
70
71
73
73
73
73
71
70
68
67

Pressure (mb)

1020
1019
1019
1019
1018
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1015
1016
1017
1018
1020
1021
1022
1023
1024

Ozone (du)

329
331
335
336
336
336
335
335
334
330
332
333
336
336
335
334
334
331
328
325
327
328
329
326

Friday 5

Waning Gibbous 100%

17:13

08:15

00 OK
01 OK
02 Good
03 Good
04 Good
05 Good
06 OK
07 OK
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

Sun - Rise: 07:13, Set: 16:44, Transit: 11:58. Moon - Rise: 17:13, Set: 08:15. Civil Dark: 17:13 - 06:43. Nautical Dark: 17:47 - 06:09. Astro Dark: 18:19 - 05:37

Total Clouds (% Sky Obscured)

34
34
15
12
15
18
22
39
56
74
83
91
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
23
50
85
95
97
97
94
93

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
16
24
27
46
72
99
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
7
14
22
19
17
14
43
73
100
100
100
100
100
100
100
100
100
100
76
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
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
None
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
1
6
7
5
28
45
61
75
81

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-4
-4
-4
-5
-5
-5
-5
-6
-6
-5
-4
-4
-4
-3
-3
-3
-3
-3
-3
-3
-4
-4
-4
-4

Feels Like (°C)

-6
-7
-10
-10
-10
-11
-11
-11
-11
-11
-10
-10
-10
-10
-7
-8
-8
-8
-8
-7
-8
-9
-8
-9

Dew Point (°C)

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

Relative Humidity (%)

66
65
65
65
63
63
62
62
60
55
53
50
46
44
45
47
50
55
58
63
72
81
90
92

Pressure (mb)

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

Ozone (du)

323
320
320
321
322
325
329
333
330
328
326
324
321
319
315
310
306
303
299
296
295
293
291
290

Saturday 6

Waning Gibbous 97%

18:25

09:21

Sun - Rise: 07:14, Set: 16:44, Transit: 11:59. Moon - Rise: 18:25, Set: 09:21. Civil Dark: 17:13 - 06:44. Nautical Dark: 17:47 - 06:10. Astro Dark: 18:19 - 05:38

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: 30/11/25 00:27:03. Forecast: 30/11/25 to 06/12/25. Timezone: UTC-5.00