Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Full Moon 100%

16:01

08:15

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

Sun - Rise: 07:08, Set: 16:32, Transit: 11:50. Moon - Rise: 16:01, Set: 08:15. Civil Dark: 17:03 - 06:38. Nautical Dark: 17:37 - 06:04. Astro Dark: 18:10 - 05:30

Total Clouds (% Sky Obscured)

0
0
0
0
1
1
1
1
1
1
1
1
25
73
91
100
93
33
53
63
90
78
80
55

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
18
25
0
0
0
0
0
0
0
0
51

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
23
58
61
100
93
33
53
36
50
78
64
33

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
60
37
0
0
0
63
65
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
6
6
6
6
6
6
6
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)

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

Chance of Frost

Temperature (°C)

-9
-9
-11
-13
-11
-13
-13
-13
-14
-14
-14
-14
-14
-14
-13
-13
-11
-11
-9
-8
-5
-4
-2
-1

Feels Like (°C)

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

Dew Point (°C)

-15
-13
-14
-16
-14
-15
-16
-16
-16
-16
-17
-16
-16
-16
-15
-14
-13
-12
-11
-10
-8
-6
-5
-4

Relative Humidity (%)

64
74
78
79
80
81
83
83
83
83
82
83
84
84
86
86
86
86
87
85
82
81
79
81

Pressure (mb)

1029
1029
1028
1028
1028
1028
1027
1027
1026
1025
1024
1024
1023
1022
1021
1020
1020
1020
1019
1018
1018
1017
1015
1014

Ozone (du)

372
379
379
379
363
360
355
343
336
330
321
317
316
317
315
314
318
317
315
318
312
308
304
302

Friday 5

Waning Gibbous 97%

17:03

09:20

14 Good
15 OK
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

Sun - Rise: 07:09, Set: 16:32, Transit: 11:51. Moon - Rise: 17:03, Set: 09:20. Civil Dark: 17:03 - 06:38. Nautical Dark: 17:37 - 06:04. Astro Dark: 18:10 - 05:31

Total Clouds (% Sky Obscured)

6
10
100
100
96
96
87
94
99
80
70
85
97
87
94
93
92
86
71
81
73
69
99
100

Low Clouds (% Sky Obscured)

0
0
0
18
64
84
73
73
67
73
69
84
94
87
94
93
91
83
65
78
64
44
29
0

Medium Clouds (% Sky Obscured)

2
4
25
45
28
45
43
75
72
15
10
0
17
0
0
0
0
0
0
0
0
0
73
95

High Clouds (% Sky Obscured)

6
10
97
100
95
92
87
80
95
66
50
50
30
20
15
1
0
0
0
0
0
17
64
57

ISS Passover

Visibility (miles)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
89
92
96
94
94
94
94
92
94
96
96
94
94
94
94
94
94
94
91
89
89
91

Pressure (mb)

1013
1013
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1012
1012
1013
1013
1014
1015
1016
1016
1017
1017
1016
1016

Ozone (du)

301
299
299
296
295
294
294
294
292
293
294
293
292
293
294
295
300
302
304
306
305
301
303
305

Saturday 6

Waning Gibbous 92%

18:16

10:11

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:10, Set: 16:32, Transit: 11:51. Moon - Rise: 18:16, Set: 10:11. Civil Dark: 17:03 - 06:39. Nautical Dark: 17:37 - 06:05. Astro Dark: 18:10 - 05:32

Total Clouds (% Sky Obscured)

100
85
100
100
100
100
100
100
100
100
100
98
99
99
98
100
100
99
98
97
99
100
97
94

Low Clouds (% Sky Obscured)

0
38
47
54
63
43
60
71
62
53
79
91
91
93
95
100
100
95
93
86
85
92
91
89

Medium Clouds (% Sky Obscured)

88
47
100
100
100
100
100
100
100
100
100
93
96
97
85
100
98
94
94
90
94
100
90
80

High Clouds (% Sky Obscured)

64
59
90
63
100
72
100
100
100
100
100
40
40
55
65
35
12
50
24
0
0
0
3
7

ISS Passover

Visibility (miles)

9
9
8
9
9
9
8
6
2
2
4
3
0
0
0
0
0
0
0
0
0
9
3
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
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
9
0
0
0
2
15
33
43
73
86
92
95
91
95
83
75
66
47
45
37
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.5
0.7
0.4
0.6
0.5
0.4
0.3
0
0.2
0.1
0.2

Wind Speed/Direction (mph)

2
2
2
4
5
4
5
6
6
6
5
7
7
8
8
7
6
6
6
9
11
13
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-2
-3
-4
-4
-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4
-5
-5
-7
-7
-7
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

89
84
86
91
92
94
96
94
96
96
96
98
98
98
98
98
98
96
96
94
94
91
91
89

Pressure (mb)

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

Ozone (du)

307
308
313
314
316
316
316
317
318
322
324
323
324
327
327
327
328
327
326
325
324
326
328
322

Sunday 7

Waning Gibbous 84%

19:32

10:50

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 OK
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad

Sun - Rise: 07:11, Set: 16:32, Transit: 11:51. Moon - Rise: 19:32, Set: 10:50. Civil Dark: 17:03 - 06:40. Nautical Dark: 17:37 - 06:06. Astro Dark: 18:10 - 05:33

Total Clouds (% Sky Obscured)

91
94
97
99
98
91
96
99
98
97
97
97
97
93
91
41
61
67
35
33
34
38
57
77

Low Clouds (% Sky Obscured)

88
85
83
80
76
73
71
73
74
70
70
66
54
56
51
41
39
38
24
9
4
0
1
3

Medium Clouds (% Sky Obscured)

70
75
79
84
88
91
96
77
55
43
68
84
96
91
91
6
57
67
19
33
34
38
49
21

High Clouds (% Sky Obscured)

13
31
49
65
60
67
71
92
80
78
68
61
75
4
0
0
0
1
3
4
6
10
57
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
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 (%)

48
38
27
19
18
15
11
8
6
1
1
1
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)

15
15
15
14
14
13
12
11
10
10
10
9
8
7
6
5
4
3
3
3
4
5
5
6

Chance of Frost

Temperature (°C)

-2
-3
-3
-4
-5
-5
-6
-7
-7
-9
-10
-10
-11
-11
-11
-12
-12
-13
-12
-11
-9
-8
-7
-6

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-5
-6
-6
-7
-8
-9
-9
-11
-12
-12
-13
-13
-14
-14
-15
-15
-15
-13
-12
-11
-9
-9

Relative Humidity (%)

89
89
86
87
87
85
85
85
87
85
85
83
85
83
83
83
81
81
83
83
81
80
80
77

Pressure (mb)

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

Ozone (du)

318
316
315
311
310
314
314
312
314
314
318
320
322
325
325
321
323
322
325
328
329
330
328
329

Monday 8

Waning Gibbous 75%

20:48

11:20

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 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:11, Set: 16:32, Transit: 11:52. Moon - Rise: 20:48, Set: 11:20. Civil Dark: 17:03 - 06:41. Nautical Dark: 17:37 - 06:07. Astro Dark: 18:10 - 05:34

Total Clouds (% Sky Obscured)

95
83
71
64
65
69
71
80
64
66
77
76
76
62
47
33
37
42
49
63
77
91
95
97

Low Clouds (% Sky Obscured)

4
14
24
33
28
22
16
30
43
54
63
69
76
62
47
33
37
42
46
56
61
52
35
31

Medium Clouds (% Sky Obscured)

23
41
30
27
29
39
41
35
30
22
17
9
0
0
1
6
20
41
49
63
71
78
86
92

High Clouds (% Sky Obscured)

49
3
0
2
0
0
3
9
1
0
0
0
0
0
0
0
0
0
0
10
14
27
42
60

ISS Passover

Visibility (miles)

9
9
9
9
6
5
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
1
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-10
-9
-9
-10
-10
-10
-10
-10
-9
-8
-10
-9
-9
-9
-8
-9
-9
-9
-9
-9
-8
-8
-5

Dew Point (°C)

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

Relative Humidity (%)

79
85
87
88
88
88
89
87
87
85
85
84
84
85
84
86
84
84
84
86
86
89
91
91

Pressure (mb)

1027
1027
1026
1026
1025
1025
1024
1023
1022
1022
1021
1020
1019
1018
1017
1016
1016
1015
1014
1014
1013
1012
1011
1010

Ozone (du)

329
326
329
333
332
335
339
346
351
346
342
344
353
353
358
359
359
356
353
350
348
346
343
339

Tuesday 9

Waning Gibbous 64%

22:00

11:45

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:12, Set: 16:32, Transit: 11:52. Moon - Rise: 22:00, Set: 11:45. Civil Dark: 17:03 - 06:42. Nautical Dark: 17:37 - 06:07. Astro Dark: 18:10 - 05:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
97
95

Low Clouds (% Sky Obscured)

37
37
34
30
27
17
6
7
7
21
83
80
73
80
83
84
78
84
96
97
97
98
92
86

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
80
63
58
51
39
14
33
52

High Clouds (% Sky Obscured)

74
83
91
100
100
100
100
100
100
100
100
100
100
78
57
25
33
67
100
67
33
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
6
3
0
3

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
7
10
13
21
26
28
26
23
17
23
28
32
38
38
32
27
23
21
28
31

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
12
12
13
13
14
15
15
16
16
16
16
16
16
16
16
15
15
15
16
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
89
86
88
88
88
88
89
89
88
88
88
89
94
96
94
93
89
93
96
98
93

Pressure (mb)

1009
1009
1008
1007
1006
1004
1003
1002
1001
1000
999
998
997
996
996
995
995
996
996
997
997
998
998
999

Ozone (du)

336
332
330
328
326
327
327
328
326
325
323
321
318
315
314
314
314
317
320
323
327
330
334
334

Wednesday 10

Waning Gibbous 54%

23:07

12:07

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

Sun - Rise: 07:13, Set: 16:33, Transit: 11:53. Moon - Rise: 23:07, Set: 12:07. Civil Dark: 17:03 - 06:42. Nautical Dark: 17:37 - 06:08. Astro Dark: 18:10 - 05:35

Total Clouds (% Sky Obscured)

93
95
97
98
90
82
74
61
51
39
26
16
7
12
21
29
58
80
100
100
100
100

Low Clouds (% Sky Obscured)

80
86
92
98
90
82
74
61
51
39
26
13
0
0
0
0
1
1
1
6
14
36

Medium Clouds (% Sky Obscured)

71
54
41
27
21
12
2
1
1
0
1
2
4
12
21
29
58
80
95
97
97
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
10
35
67
93
80
66
50

ISS Passover

Visibility (miles)

6
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

34
33
29
20
16
12
4
4
3
0
1
1
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

Wind Speed/Direction (mph)

17
18
17
17
16
14
13
11
10
10
9
8
7
6
5
4
5
5
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-4
-3
-4
-4
-9
-8
-8
-9
-9
-9
-9
-9
-9
-10
-10
-11
-10
-10
-10
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

89
83
84
84
82
82
84
84
84
82
84
82
82
82
80
80
79
76
71
69
67
65

Pressure (mb)

1001
1002
1004
1005
1007
1008
1009
1010
1011
1012
1013
1013
1013
1014
1014
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

335
336
341
346
352
349
347
344
334
325
315
310
306
301
297
293
290
289
288
288
290
291

Forecast for Radville, Tazewell, United States of America (40.46,-89.88)

Generated: 04/12/25 14:52:51. Forecast: 04/12/25 to 10/12/25. Timezone: UTC-6.00