Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 75%

20:55

11:24

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

Sun - Rise: 07:15, Set: 16:42, Transit: 11:59. Moon - Rise: 20:55, Set: 11:24. Civil Dark: 17:12 - 06:45. Nautical Dark: 17:46 - 06:11. Astro Dark: 18:18 - 05:39

Total Clouds (% Sky Obscured)

79
84
87
100
100
100
100
98
88
76
48
5
2
0
0
0
45
79
90
70
100
91
42
50

Low Clouds (% Sky Obscured)

1
2
13
12
3
1
1
0
0
0
0
0
0
0
0
0
37
36
53
47
37
26
19
13

Medium Clouds (% Sky Obscured)

79
84
87
100
100
100
100
98
88
76
48
4
2
0
0
0
0
7
79
16
76
86
41
50

High Clouds (% Sky Obscured)

79
84
87
78
52
38
37
35
30
6
5
1
0
0
0
0
1
15
4
67
100
4
0
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
1
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
8
6
7
7
7
7
6
5
4
4
3
3
3
2
2
1
1
4
6
7
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-16
-16
-16
-15
-15
-15
-16
-16
-16
-17
-17
-17
-17
-17
-17
-18
-19
-20
-20
-18
-16
-14
-12

Relative Humidity (%)

34
35
36
38
40
42
42
43
43
44
43
44
47
47
46
46
41
33
27
25
26
30
33
39

Pressure (mb)

1025
1026
1026
1027
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025
1025
1026
1025
1026
1025
1024
1022
1021
1020
1019

Ozone (du)

320
322
325
323
322
323
324
333
342
344
349
348
345
345
344
343
344
356
372
391
394
394
389
375

Tuesday 9

Waning Gibbous 65%

22:06

11:50

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
15 Bad

Sun - Rise: 07:16, Set: 16:42, Transit: 11:59. Moon - Rise: 22:06, Set: 11:50. Civil Dark: 17:12 - 06:46. Nautical Dark: 17:46 - 06:12. Astro Dark: 18:19 - 05:40

Total Clouds (% Sky Obscured)

79
94
82
100
99
97
100
100
99
95
94
100
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
47
2
11
29
81
53
59
55
58
52
77
84
76
82
86
84
78
81
84
83
85
81
88

Medium Clouds (% Sky Obscured)

79
81
8
13
38
5
91
100
87
84
87
84
86
85
86
100
96
95
100
100
100
100
100
100

High Clouds (% Sky Obscured)

50
50
50
100
97
83
100
100
95
63
50
100
84
97
100
100
100
100
100
100
100
100
35
2

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
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
8
26
18
10
19
63
75
66
58
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-10
-9
-7
-6
-6
-5
-5
-5
-4
-4
-4
-4
-4
-4
-4
-4
-4
-3
-3
-2
-1
-1
-1

Relative Humidity (%)

45
51
57
64
71
75
78
81
81
81
83
84
84
83
83
81
83
78
73
73
72
76
76
72

Pressure (mb)

1018
1018
1017
1017
1016
1015
1015
1014
1013
1013
1012
1011
1010
1009
1008
1007
1005
1005
1003
1002
1000
999
998
997

Ozone (du)

369
363
363
359
356
354
351
346
343
338
338
340
343
343
339
339
338
336
333
330
329
330
335
337

Wednesday 10

Waning Gibbous 54%

23:12

12:12

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 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 Bad

Sun - Rise: 07:17, Set: 16:43, Transit: 12:00. Moon - Rise: 23:12, Set: 12:12. Civil Dark: 17:13 - 06:47. Nautical Dark: 17:46 - 06:13. Astro Dark: 18:19 - 05:40

Total Clouds (% Sky Obscured)

92
81
97
87
92
73
70
91
99
95
82
88
87
80
72
71
74
34
35
35
27
18
30
46

Low Clouds (% Sky Obscured)

86
76
94
78
89
59
51
40
53
28
1
37
59
47
33
51
57
10
1
2
2
15
28
43

Medium Clouds (% Sky Obscured)

45
9
62
48
52
42
41
91
94
90
82
82
67
61
72
70
70
34
35
35
27
4
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
9
39
0
1
1
4
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
13
21
6
17
9
35
18
0
0
0
0
4
0
0
0
0
0
1
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
10
10
9
10
9
10
12
13
14
14
14
12
12
11
9
10
14
14
14
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
73
76
77
79
82
76
85
74
70
74
74
70
67
66
68
76
70
61
54
49
45
42
41

Pressure (mb)

997
997
997
998
998
998
998
998
999
1000
1002
1003
1004
1005
1006
1008
1008
1009
1010
1010
1010
1009
1009
1010

Ozone (du)

339
345
345
343
346
347
343
336
327
324
323
319
316
314
314
319
316
319
322
325
326
326
322
324

Thursday 11

Third Quarter 44%

00:16

12:33

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

Sun - Rise: 07:17, Set: 16:43, Transit: 12:00. Moon - Rise: 00:16, Set: 12:33. Civil Dark: 17:13 - 06:47. Nautical Dark: 17:46 - 06:14. Astro Dark: 18:19 - 05:41

Total Clouds (% Sky Obscured)

60
60
54
49
46
46
34
22
10
15
15
30
34
52
59
62
62
26
35
58
99
100
100
100

Low Clouds (% Sky Obscured)

50
45
44
44
41
42
27
13
0
0
2
7
7
11
20
23
19
4
1
6
10
14
19
28

Medium Clouds (% Sky Obscured)

20
51
54
49
46
46
34
22
10
15
15
30
34
52
13
13
46
16
35
58
85
90
90
90

High Clouds (% Sky Obscured)

0
0
0
0
5
4
5
10
1
14
10
30
34
50
59
21
2
6
17
25
49
60
45
80

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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-10
-10
-10
-10
-10
-9
-9
-9
-8
-8
-8
-8
-8
-8
-7
-7
-8
-8
-9
-9
-9
-9
-9

Relative Humidity (%)

44
48
51
52
54
56
59
62
63
65
67
69
71
72
73
76
72
63
56
48
46
44
43
44

Pressure (mb)

1010
1011
1012
1013
1013
1013
1013
1014
1014
1014
1015
1016
1016
1016
1017
1018
1019
1019
1019
1019
1018
1017
1017
1017

Ozone (du)

324
323
323
324
327
329
326
323
318
318
318
320
320
318
318
317
318
320
320
321
320
321
320
325

Friday 12

Waning Crescent 34%

01:17

12:54

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 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:18, Set: 16:43, Transit: 12:01. Moon - Rise: 01:17, Set: 12:54. Civil Dark: 17:13 - 06:48. Nautical Dark: 17:47 - 06:14. Astro Dark: 18:19 - 05:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
97
90
91
89
87
78
76
65
61
62
47
36
42
59
63
61
72

Low Clouds (% Sky Obscured)

52
76
100
99
98
93
83
75
63
59
52
41
27
14
0
5
11
16
26
35
45
49
57
64

Medium Clouds (% Sky Obscured)

85
77
100
100
100
100
96
92
80
69
46
47
33
16
0
0
2
0
2
3
2
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
20
4
1
0
66
72
70
75
65
61
62
47
36
42
59
63
61
72

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

Precipitation Probability (%)

25
40
54
69
74
75
58
42
17
15
12
10
8
5
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.1
0.2
0.3
0.3
0.4
0.3
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
6
6
6
6
6
5
5
5
6
7
8
8
9
10
12
14
14
14
15
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-6
-6
-6
-7
-7
-7
-7

Relative Humidity (%)

50
58
61
62
62
63
63
63
62
63
61
58
58
63
67
68
63
60
56
53
49
46
47
49

Pressure (mb)

1018
1018
1017
1017
1017
1016
1015
1014
1013
1012
1013
1013
1013
1013
1014
1014
1015
1016
1016
1016
1016
1016
1017
1018

Ozone (du)

327
338
347
347
348
350
355
350
344
342
347
345
338
332
330
327
322
317
312
309
307
304
304
305

Saturday 13

Waning Crescent 25%

02:17

13:16

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
15 Bad

Sun - Rise: 07:19, Set: 16:43, Transit: 12:01. Moon - Rise: 02:17, Set: 13:16. Civil Dark: 17:13 - 06:49. Nautical Dark: 17:47 - 06:15. Astro Dark: 18:20 - 05:42

Total Clouds (% Sky Obscured)

61
63
82
95
95
90
91
78
65
49
42
36
23
9
9
14
23
28
32
35
36
46
53
55

Low Clouds (% Sky Obscured)

45
27
8
7
6
4
3
1
0
5
5
0
0
0
0
7
14
21
22
24
25
23
21
22

Medium Clouds (% Sky Obscured)

0
0
0
60
65
70
81
77
65
45
34
28
19
9
4
3
1
10
22
17
3
3
1
0

High Clouds (% Sky Obscured)

61
63
82
85
65
65
48
14
9
5
0
0
0
0
0
0
0
0
0
0
0
28
53
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
3
0
0
0
0
0
0
0
3
5
8
8
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
19
27
29
60
77
92
90
87
82
68
52
32
24
15
11
9
9
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.6
0.5
0.4
0.3
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-7
-7
-7
-7
-6
-5
-4
-4
-3
-2
-2
-2
-2
-2
-2
-3
-3
-4
-5
-7
-9

Relative Humidity (%)

51
53
55
58
60
62
63
70
75
83
86
91
98
98
98
98
92
91
86
84
80
77
73
70

Pressure (mb)

1018
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1020
1020
1021
1022

Ozone (du)

305
305
305
304
305
306
307
307
308
309
310
311
312
317
321
325
326
327
328
332
336
340
339
339

Sunday 14

Waning Crescent 17%

03:18

13:40

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

Sun - Rise: 07:19, Set: 16:43, Transit: 12:02. Moon - Rise: 03:18, Set: 13:40. Civil Dark: 17:13 - 06:49. Nautical Dark: 17:47 - 06:16. Astro Dark: 18:20 - 05:43

Total Clouds (% Sky Obscured)

36
23
4
16
29
38
41
46
55
45
42
38
43
43
39
32
29
27
43
59
72

Low Clouds (% Sky Obscured)

16
8
0
1
2
9
25
41
55
45
42
38
43
43
39
32
22
0
0
2
6

Medium Clouds (% Sky Obscured)

0
0
0
0
2
9
12
24
29
25
20
20
20
20
20
22
24
17
10
7
3

High Clouds (% Sky Obscured)

36
23
4
16
17
0
0
0
0
0
0
0
2
3
3
1
1
0
0
0
5

ISS Passover

Visibility (miles)

9
9
9
9
7
5
2
5
7
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 (%)

8
6
0
3
3
1
1
1
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)

12
12
10
9
8
8
8
8
9
9
9
8
7
6
6
6
6
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-10
-10
-11
-15
-14
-14
-14
-14
-14
-15
-15
-15
-15
-15
-14
-13
-12
-11
-11
-11

Dew Point (°C)

-11
-11
-12
-13
-12
-11
-11
-12
-13
-14
-14
-13
-13
-12
-12
-11
-11
-10
-10
-9
-9

Relative Humidity (%)

66
68
68
69
74
78
82
77
72
68
69
71
72
72
75
75
74
73
72
69
66

Pressure (mb)

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

Ozone (du)

339
344
348
353
351
349
347
341
334
328
326
325
323
321
319
317
317
316
316
313
310

Forecast for Eudowood, Baltimore County, United States of America (39.40,-76.59)

Generated: 08/12/25 15:55:58. Forecast: 08/12/25 to 14/12/25. Timezone: UTC-5.00