Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Crescent 11%

10:16

19:11

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

Sun - Rise: 07:01, Set: 16:47, Transit: 11:54. Moon - Rise: 10:16, Set: 19:11. Civil Dark: 17:16 - 06:32. Nautical Dark: 17:49 - 05:59. Astro Dark: 18:21 - 05:27

Total Clouds (% Sky Obscured)

23
15
15
33
49
60
34
66
51
77
53
4
61
76
44
9
17
7
3
4
3
0
0
1

Low Clouds (% Sky Obscured)

0
0
0
23
29
19
12
13
14
3
24
4
61
75
44
8
17
7
3
4
3
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
9
22
17
28
21
0
0
3
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
3
2
0
4
60
2
20
11
25
2
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

4
3
3
4
4
4
4
4
4
6
9
10
11
13
14
14
13
11
10
8
7
7
6
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
82
82
83
83
85
85
83
75
68
62
57
54
51
48
51
55
61
64
65
66
68
71

Pressure (mb)

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

Ozone (du)

296
300
301
298
294
291
282
282
281
284
287
291
292
293
294
294
294
293
292
292
291
290
289
288

Monday 24

Waxing Crescent 18%

10:58

20:13

00 Good
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 OK
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: 07:02, Set: 16:46, Transit: 11:54. Moon - Rise: 10:58, Set: 20:13. Civil Dark: 17:16 - 06:33. Nautical Dark: 17:49 - 06:00. Astro Dark: 18:21 - 05:28

Total Clouds (% Sky Obscured)

1
30
63
70
64
61
62
55
45
45
41
35
49
52
69
99
69
59
71
68
52
66
100
83

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
7
2
0
20
18
4
30
30
33
12
45
62
54

High Clouds (% Sky Obscured)

1
25
53
66
63
61
62
54
44
45
38
35
49
51
63
97
55
40
46
52
52
66
100
51

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
2
2
1
1
2
2
2
3
5
7
8
9
9
9
9
7
5
4
3
2
4
2

Dew Point (°C)

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

Relative Humidity (%)

72
72
71
69
71
69
71
71
67
57
51
44
39
38
37
39
47
48
45
45
48
54
59
57

Pressure (mb)

1021
1022
1022
1022
1023
1023
1024
1025
1025
1026
1026
1026
1025
1025
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024

Ozone (du)

288
286
285
285
287
288
289
291
292
291
292
291
288
287
286
287
287
287
286
285
285
284
284
282

Tuesday 25

Waxing Crescent 27%

11:34

21:18

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: 07:03, Set: 16:46, Transit: 11:54. Moon - Rise: 11:34, Set: 21:18. Civil Dark: 17:15 - 06:34. Nautical Dark: 17:48 - 06:01. Astro Dark: 18:20 - 05:28

Total Clouds (% Sky Obscured)

100
100
93
79
97
100
100
100
100
100
100
100
94
100
100
100
94
95
92
79
70
89
97
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
19
7
25
54
61
85
92
93
91
84
83
84
73
70
89
94
91

Medium Clouds (% Sky Obscured)

24
84
89
79
96
100
100
100
100
92
97
100
91
98
100
86
41
29
15
19
25
30
25
31

High Clouds (% Sky Obscured)

100
100
83
29
92
99
100
100
100
100
100
90
30
100
100
100
89
6
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
3
6
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
11
37
58
95
95
95
95
95
78
15
3
23
16
15
5
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
1
1.1
0.8
0.6
1.1
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
1
3
6
6
7
6
6
7
8
8
9
9
10
10

Relative Humidity (%)

58
58
58
58
57
57
57
58
59
57
60
69
84
90
90
87
84
88
90
91
95
93
95
95

Pressure (mb)

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

Ozone (du)

281
280
279
279
279
280
281
282
282
280
277
274
271
268
268
271
271
272
271
271
273
270
265
262

Wednesday 26

Waxing Crescent 36%

12:04

22:24

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 OK
22 OK
23 Good

Sun - Rise: 07:04, Set: 16:46, Transit: 11:55. Moon - Rise: 12:04, Set: 22:24. Civil Dark: 17:15 - 06:35. Nautical Dark: 17:48 - 06:02. Astro Dark: 18:20 - 05:29

Total Clouds (% Sky Obscured)

93
89
94
91
93
88
96
96
96
96
97
98
99
94
87
81
80
81
81
56
38
15
10
7

Low Clouds (% Sky Obscured)

93
89
86
82
78
74
71
73
76
78
68
58
51
48
47
45
45
48
51
34
17
0
0
0

Medium Clouds (% Sky Obscured)

27
26
26
25
35
50
56
46
32
19
31
44
57
46
35
30
36
41
45
32
15
0
0
0

High Clouds (% Sky Obscured)

0
1
10
10
17
4
38
53
63
75
79
88
94
86
78
75
70
70
60
54
38
15
10
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
3
0
0
0
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
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
5
15
42
55
69
65
44
23
13
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
4
4
4
2
2
3
3
3
4
5
5
6
5
5
5
5
5
5
7
9
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
9
8
8
9
9
9
10
11
11
12
13
15
14
15
15
15
13
13
12
10
7
4

Dew Point (°C)

9
10
10
10
9
9
9
9
10
11
11
12
13
13
13
14
15
15
14
14
13
11
8
6

Relative Humidity (%)

96
98
98
100
98
98
96
98
98
95
92
90
87
85
85
90
96
98
98
98
100
96
83
77

Pressure (mb)

1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1012
1011
1011
1010
1009
1009
1009
1009
1010
1010
1011
1012

Ozone (du)

261
259
259
260
260
258
256
254
253
254
254
254
254
254
254
252
252
253
254
256
259
262
267
275

Thursday 27

Waxing Crescent 47%

12:31

23:31

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 OK
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 07:05, Set: 16:45, Transit: 11:55. Moon - Rise: 12:31, Set: 23:31. Civil Dark: 17:15 - 06:36. Nautical Dark: 17:48 - 06:02. Astro Dark: 18:20 - 05:30

Total Clouds (% Sky Obscured)

1
28
49
100
90
79
64
56
54
52
68
82
98
69
62
53
41
27
15
12
8
5
3
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
3
5
9
12
16
20
10
0
0
0
0
0
1
3
2
1

Medium Clouds (% Sky Obscured)

0
0
0
0
12
44
44
29
27
19
44
70
95
69
56
36
25
13
2
3
2
0
0
0

High Clouds (% Sky Obscured)

0
10
22
100
89
77
64
56
54
52
60
59
59
66
47
27
17
8
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

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
1
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)

15
13
12
12
10
10
10
9
10
12
13
13
13
13
13
13
13
12
12
11
11
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
69
66
63
63
60
60
61
60
57
54
49
46
43
43
42
41
43
45
48
49
49
49
49

Pressure (mb)

1013
1014
1015
1015
1015
1016
1016
1017
1018
1018
1018
1018
1017
1017
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

279
279
281
282
285
289
294
296
299
301
301
305
311
315
315
315
315
322
330
338
339
341
342
340

Friday 28

First Quarter 58%

12:55

No Set

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

Sun - Rise: 07:06, Set: 16:45, Transit: 11:55. Moon - Rise: 12:55, Set: No Set. Civil Dark: 17:14 - 06:37. Nautical Dark: 17:47 - 06:03. Astro Dark: 18:20 - 05:31

Total Clouds (% Sky Obscured)

0
1
1
1
0
0
0
0
0
0
12
24
38
35
29
19
9
3
0
4
7
11
35
60

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
12
24
37
33
29
19
9
3
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
1
2
3
24
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
2
5
5
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
50
52
53
55
56
56
57
52
48
43
40
37
35
36
37
38
43
48
52
54
57
60
58

Pressure (mb)

1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1020
1021
1021
1022
1023
1024
1024
1025
1025
1026
1026

Ozone (du)

338
336
333
330
327
325
322
319
317
315
313
312
310
309
308
307
305
305
305
305
304
303
303
301

Saturday 29

Waxing Gibbous 69%

13:18

00:38

Sun - Rise: 07:07, Set: 16:45, Transit: 11:56. Moon - Rise: 13:18, Set: 00:38. Civil Dark: 17:14 - 06:38. Nautical Dark: 17:47 - 06:04. Astro Dark: 18:20 - 05:32

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: 23/11/25 00:02:14. Forecast: 23/11/25 to 29/11/25. Timezone: UTC-5.00