Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 10

Waning Gibbous 65%

23:14

11:51

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
00 Bad
01 Bad
02 OK
03 Good

Sun - Rise: 07:17, Set: 16:44, Transit: 12:00. Moon - Rise: 23:14, Set: 11:51. Civil Dark: 17:14 - 06:47. Nautical Dark: 17:47 - 06:13. Astro Dark: 18:20 - 05:41

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
100
100
100
99
87
50
83
79
36
67
55
16
8

Low Clouds (% Sky Obscured)

30
31
35
50
72
45
13
0
70
69
60
68
79
88
89
84
37
81
27
30
64
54
14
7

Medium Clouds (% Sky Obscured)

19
20
63
69
96
100
100
100
100
100
100
100
100
100
99
67
14
14
70
7
3
0
0
0

High Clouds (% Sky Obscured)

70
92
91
100
100
100
100
100
100
100
100
30
17
0
0
0
0
0
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
2
13
56
22
23
32
37
55
20
1
1
1
1
4
11
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
81
81
81
74
70
65
65
68
69
73
73
76
82
82
86
93
89
91
91
91
74
71

Pressure (mb)

1011
1010
1009
1008
1007
1006
1005
1004
1002
1000
999
999
999
999
999
999
999
999
999
999
999
1000
1001
1002

Ozone (du)

335
334
335
334
330
330
329
327
323
323
326
326
327
333
336
343
344
336
331
330
322
315
312
316

Thursday 11

Third Quarter 54%

00:17

12:14

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

Sun - Rise: 07:18, Set: 16:44, Transit: 12:01. Moon - Rise: 00:17, Set: 12:14. Civil Dark: 17:14 - 06:48. Nautical Dark: 17:48 - 06:14. Astro Dark: 18:20 - 05:41

Total Clouds (% Sky Obscured)

26
73
100
100
100
100
61
25
24
23
15
23
20
22
15
12
3
3
3
3
16
27
65
100

Low Clouds (% Sky Obscured)

5
31
22
9
16
23
25
18
17
18
13
23
20
22
15
12
0
0
0
0
0
0
1
1

Medium Clouds (% Sky Obscured)

9
26
100
100
100
100
46
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
38
100

High Clouds (% Sky Obscured)

0
0
7
35
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
27
59
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
75
70
67
63
58
55
46
42
39
38
41
44
50
54
58
60
62
64
65
65
64
66
69

Pressure (mb)

1004
1005
1006
1007
1008
1009
1010
1011
1010
1010
1010
1011
1011
1012
1013
1014
1014
1014
1015
1015
1015
1016
1017
1017

Ozone (du)

317
319
325
329
333
334
339
342
339
333
328
329
330
338
341
341
339
337
335
330
324
320
322
322

Friday 12

Waning Crescent 44%

01:18

12:35

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:18, Set: 16:44, Transit: 12:01. Moon - Rise: 01:18, Set: 12:35. Civil Dark: 17:14 - 06:48. Nautical Dark: 17:48 - 06:15. Astro Dark: 18:21 - 05:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
93
86
100
100
83
74
90
84
89
88
71
68
92
88
93
99
99
100

Low Clouds (% Sky Obscured)

0
0
9
15
15
15
10
10
15
23
16
3
45
27
40
28
47
50
51
58
66
83
97
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
92
83
100
100
82
74
84
64
58
61
40
36
77
67
83
94
40
40

High Clouds (% Sky Obscured)

100
100
100
80
40
30
30
48
70
70
0
0
0
44
0
5
0
1
15
2
0
42
63
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
2
2
2
0
0
0
0
0
0
0
0
1
1
2
6
6
6
5
3
7
13
29

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-9
-8
-8
-8
-8
-6
-5
-4
-4
-3
-3
-1
-2
-3
-3
-3
-3
-4
-6
-5
-5
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

66
64
63
64
69
71
66
62
57
53
51
52
57
66
68
70
71
74
75
78
81
82
81
81

Pressure (mb)

1017
1018
1018
1019
1019
1019
1020
1020
1019
1018
1018
1018
1018
1018
1018
1019
1018
1018
1018
1018
1017
1017
1016
1016

Ozone (du)

319
316
316
323
325
327
330
332
334
338
341
339
340
339
340
341
341
344
346
348
344
339
342
340

Saturday 13

Waning Crescent 34%

02:18

12:55

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:19, Set: 16:45, Transit: 12:02. Moon - Rise: 02:18, Set: 12:55. Civil Dark: 17:15 - 06:49. Nautical Dark: 17:48 - 06:15. Astro Dark: 18:21 - 05:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
89
78
73
71
69
71
83
90
100
97
93
89
70
55
36

Low Clouds (% Sky Obscured)

97
94
92
67
42
17
45
72
100
79
59
38
25
12
1
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

39
61
67
65
65
67
48
27
0
11
22
32
34
35
35
48
66
100
95
90
84
66
52
32

High Clouds (% Sky Obscured)

100
100
100
100
100
100
72
43
35
40
40
45
45
60
70
70
70
75
70
70
60
55
55
36

ISS Passover

Visibility (miles)

0
0
0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
9
9
2
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

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

Precipitation Probability (%)

37
28
10
7
4
1
3
3
2
2
2
1
1
1
0
0
0
0
3
10
2
19
35
43

Precipitation Amount (mm)

0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1

Wind Speed/Direction (mph)

4
3
4
4
5
5
7
9
11
12
12
12
12
10
9
9
9
9
10
10
9
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
96
96
94
96
88
76
62
51
48
47
47
50
58
63
61
63
64
61
59
58
57
68
85

Pressure (mb)

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

Ozone (du)

343
348
346
346
346
344
343
338
332
326
323
323
322
323
323
323
325
326
325
324
323
321
320
317

Sunday 14

Waning Crescent 25%

03:19

13:17

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

Sun - Rise: 07:20, Set: 16:45, Transit: 12:02. Moon - Rise: 03:19, Set: 13:17. Civil Dark: 17:15 - 06:50. Nautical Dark: 17:49 - 06:16. Astro Dark: 18:21 - 05:43

Total Clouds (% Sky Obscured)

25
17
15
22
34
41
52
52
40
30
30
23
2
2
3
2
2
1
0
0
0
1
3
3

Low Clouds (% Sky Obscured)

0
0
0
3
6
14
11
8
5
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

25
17
15
22
34
35
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

25
17
15
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

0
0
0
0
1
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

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

Precipitation Probability (%)

50
46
41
33
16
7
1
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
92
80
67
61
57
53
52
51
51
51
54
57
59
58
58
58
59
60
62
63
66

Pressure (mb)

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

Ozone (du)

318
324
328
331
337
335
341
346
346
348
349
349
342
339
338
336
335
334
332
334
336
338
332
326

Monday 15

Waning Crescent 17%

No Rise

13:41

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

Sun - Rise: 07:21, Set: 16:45, Transit: 12:03. Moon - Rise: No Rise, Set: 13:41. Civil Dark: 17:15 - 06:50. Nautical Dark: 17:49 - 06:17. Astro Dark: 18:21 - 05:44

Total Clouds (% Sky Obscured)

3
4
6
12
20
27
32
36
36
37
35
37
26
13
0
26
52
78
85
93
96
88
93
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
2
1
0
0
0
0
0
0
0
14
27
41
45
49
52

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
2
2
1
2
6
5
1
0
0
25
50
64
44
35
19
33
52
76

High Clouds (% Sky Obscured)

1
1
1
5
8
11
16
18
25
26
29
32
26
13
0
23
36
54
69
85
96
88
93
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)

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

Chance of Frost

Temperature (°C)

-7
-7
-7
-7
-6
-5
-5
-3
-2
-2
-2
-2
-2
-3
-4
-5
-5
-5
-6
-6
-6
-5
-5
-5

Feels Like (°C)

-12
-12
-12
-12
-12
-11
-11
-10
-10
-10
-7
-6
-7
-7
-7
-7
-10
-9
-9
-9
-9
-9
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

66
67
68
68
64
60
55
51
48
45
46
48
50
53
59
63
65
65
67
66
66
65
66
67

Pressure (mb)

1032
1032
1033
1033
1034
1034
1035
1034
1033
1031
1031
1030
1030
1030
1029
1029
1029
1028
1027
1027
1026
1026
1026
1026

Ozone (du)

320
313
306
299
295
291
286
283
280
276
276
276
276
275
275
274
275
276
277
278
279
280
281
282

Tuesday 16

Waning Crescent 11%

04:20

14:09

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

Sun - Rise: 07:21, Set: 16:45, Transit: 12:03. Moon - Rise: 04:20, Set: 14:09. Civil Dark: 17:15 - 06:51. Nautical Dark: 17:49 - 06:17. Astro Dark: 18:22 - 05:45

Total Clouds (% Sky Obscured)

93
85
78
82
86
89
92
94
93
88
65
20
15
10
10
10
15
25
50
65
75

Low Clouds (% Sky Obscured)

50
48
44
53
67
83
74
65
50
30
11
0
0
0
0
0
0
0
0
0
25

Medium Clouds (% Sky Obscured)

64
52
38
26
12
1
1
0
0
0
1
1
10
10
10
10
13
3
2
1
0

High Clouds (% Sky Obscured)

69
40
24
13
10
10
3
0
0
0
0
0
0
0
0
0
1
1
2
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

5
5
5
5
6
7
8
8
8
8
7
6
5
4
4
3
3
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-9
-9
-9
-9
-9
-9
-9
-9
-8
-7
-7
-7
-7
-7
-8
-8
-7
-7
-7

Relative Humidity (%)

70
72
74
77
69
63
57
53
50
48
50
53
55
57
58
60
60
61
61
62
63

Pressure (mb)

1025
1026
1026
1026
1027
1028
1028
1028
1027
1027
1027
1027
1028
1028
1029
1029
1029
1030
1030
1030
1030

Ozone (du)

283
283
282
281
280
279
277
276
274
273
273
272
272
270
268
265
264
262
261
260
260

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

Generated: 10/12/25 04:06:02. Forecast: 10/12/25 to 16/12/25. Timezone: UTC-5.00