Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 75%

12:28

01:52

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 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 Good
19 Good
20 Good

Sun - Rise: 07:22, Set: 16:41, Transit: 12:02. Moon - Rise: 12:28, Set: 01:52. Civil Dark: 17:12 - 06:51. Nautical Dark: 17:46 - 06:17. Astro Dark: 18:19 - 05:44

Total Clouds (% Sky Obscured)

96
95
86
78
77
77
94
97
100
100
87
75
71
66
31
30
19
24
28
27
20
1
7
1

Low Clouds (% Sky Obscured)

67
76
75
75
72
74
71
74
85
73
70
68
64
62
31
26
19
24
28
27
20
0
7
0

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
42
81
99
99
31
1
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
37
0
34
20
2
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
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
1
5
14
20
15
10
8
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)

25
25
27
25
25
24
24
25
24
24
23
21
21
21
21
21
20
19
18
17
17
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-16
-17
-18
-19
-19
-19
-18
-18
-18
-17
-17
-17
-16
-15
-15
-14
-13
-13
-14
-14
-15
-14

Dew Point (°C)

-9
-11
-13
-13
-15
-15
-15
-15
-14
-14
-14
-14
-14
-15
-15
-14
-14
-14
-14
-14
-14
-15
-15
-15

Relative Humidity (%)

74
66
63
62
60
60
61
60
67
67
65
64
60
57
55
53
52
51
52
56
58
59
60
63

Pressure (mb)

1012
1012
1013
1013
1014
1015
1016
1016
1017
1019
1020
1021
1022
1024
1024
1024
1024
1025
1026
1027
1027
1028
1029
1029

Ozone (du)

325
331
337
342
349
365
373
369
368
367
372
375
369
365
366
363
360
362
365
367
370
369
370
369

Monday 29

Waxing Gibbous 85%

13:02

03:09

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

Sun - Rise: 07:22, Set: 16:42, Transit: 12:02. Moon - Rise: 13:02, Set: 03:09. Civil Dark: 17:13 - 06:51. Nautical Dark: 17:47 - 06:17. Astro Dark: 18:20 - 05:44

Total Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
5
24
69
33
43
100
100
100
99
93
66
86
76
66
42
43

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
40
40
33
33
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
24
69
33
37
87
100
100
96
84
48
72
69
53
42
43

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
8
0
0
8
86
100
100
91
50
35
30
1
2
2
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
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

-9
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-9
-7
-6
-5
-4
-3
-3
-3
-3
-3
-3
-3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
62
62
62
62
62
61
61
61
61
61
61
52
44
41
40
38
38
41
43
45
47
49
49

Pressure (mb)

1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1028
1026
1025
1024
1022
1021
1021
1020
1019
1019

Ozone (du)

376
369
374
369
361
361
360
359
363
382
383
374
362
354
348
340
337
337
336
332
334
333
332
330

Tuesday 30

Waxing Gibbous 81%

13:44

04:29

21 Bad
22 OK
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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:22, Set: 16:43, Transit: 12:03. Moon - Rise: 13:44, Set: 04:29. Civil Dark: 17:14 - 06:52. Nautical Dark: 17:48 - 06:17. Astro Dark: 18:21 - 05:44

Total Clouds (% Sky Obscured)

50
39
84
97
100
100
98
88
70
100
100
100
100
100
100
100
100
100
100
99
99
97
95
94

Low Clouds (% Sky Obscured)

0
0
0
0
0
18
86
78
53
78
72
71
86
85
78
69
83
73
54
36
51
56
58
64

Medium Clouds (% Sky Obscured)

50
39
38
18
3
88
34
0
24
100
100
100
90
89
82
71
69
71
66
50
88
85
82
79

High Clouds (% Sky Obscured)

2
0
64
89
100
100
74
59
44
100
100
100
100
100
100
100
100
100
100
98
96
87
72
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
2
2
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
53
57
60
67
74
78
79
75
76
78
84
81
78
66
52
53
52
54
58
62
66
71
70

Pressure (mb)

1018
1017
1017
1016
1016
1017
1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1017
1017
1018
1018
1018

Ozone (du)

326
327
325
324
328
328
325
319
317
317
316
317
313
308
301
297
296
295
296
298
298
302
306
306

Wednesday 31

Waxing Gibbous 92%

14:39

05:47

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

Sun - Rise: 07:22, Set: 16:44, Transit: 12:03. Moon - Rise: 14:39, Set: 05:47. Civil Dark: 17:14 - 06:52. Nautical Dark: 17:49 - 06:18. Astro Dark: 18:22 - 05:45

Total Clouds (% Sky Obscured)

95
93
93
92
86
78
52
30
12
17
25
24
45
53
36
28
22
20
37
58
80
66
49
44

Low Clouds (% Sky Obscured)

68
78
84
79
76
66
42
20
1
2
5
8
11
19
12
8
4
2
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

75
71
67
51
36
21
14
10
5
17
25
24
45
5
5
2
2
5
11
19
20
13
7
6

High Clouds (% Sky Obscured)

4
5
8
33
30
4
3
2
2
2
3
7
6
4
6
5
6
1
16
40
50
37
26
44

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-5
-4
-5
-7
-7
-8
-8
-10
-10
-10
-11
-11
-11
-10
-8
-8
-7
-7
-7
-7
-7
-8
-8

Dew Point (°C)

-6
-6
-7
-7
-8
-10
-11
-12
-13
-15
-15
-16
-17
-18
-19
-19
-19
-18
-18
-17
-16
-15
-15
-15

Relative Humidity (%)

67
65
61
60
57
56
55
53
52
50
48
45
42
38
34
32
31
31
32
34
41
44
46
46

Pressure (mb)

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

Ozone (du)

301
294
294
295
297
298
297
295
293
295
295
295
295
295
295
294
293
293
294
294
294
295
296
298

Thursday 1

Waxing Gibbous 98%

15:47

06:58

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

Sun - Rise: 07:22, Set: 16:45, Transit: 12:04. Moon - Rise: 15:47, Set: 06:58. Civil Dark: 17:15 - 06:52. Nautical Dark: 17:49 - 06:18. Astro Dark: 18:22 - 05:45

Total Clouds (% Sky Obscured)

34
29
25
25
25
25
25
25
15
5
0
0
0
0
0
82
78
74
66
59
50
43
39
34

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
4
5
3
2
0
0
0
0

Medium Clouds (% Sky Obscured)

7
4
0
0
0
0
0
0
0
0
0
0
0
0
0
79
73
67
62
59
50
43
39
34

High Clouds (% Sky Obscured)

34
29
25
25
25
25
15
10
5
0
0
0
0
0
0
8
4
0
0
0
0
1
3
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
48
50
53
56
58
61
63
63
63
62
61
57
54
50
50
49
49
49
51
54
56
57
57

Pressure (mb)

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

Ozone (du)

298
297
297
296
295
294
292
292
289
291
290
290
291
294
294
295
296
296
297
298
300
301
301
301

Friday 2

Waxing Gibbous 100%

17:03

07:56

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:22, Set: 16:46, Transit: 12:04. Moon - Rise: 17:03, Set: 07:56. Civil Dark: 17:16 - 06:52. Nautical Dark: 17:50 - 06:18. Astro Dark: 18:23 - 05:45

Total Clouds (% Sky Obscured)

55
78
95
84
76
66
69
76
67
69
74
80
82
85
85
85
85
85
78
69
69
83
91
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
6
12
18
36
54
72
78
85
85
85
85
73
57
46
35
37
38
42

Medium Clouds (% Sky Obscured)

55
78
95
84
74
63
54
48
42
46
50
54
59
65
67
66
54
38
24
13
1
23
50
77

High Clouds (% Sky Obscured)

36
31
17
18
19
14
28
32
34
9
0
0
0
0
0
0
0
0
20
39
59
73
86
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)

6
6
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-8
-8
-9
-8
-9
-9
-9
-9
-11
-10
-10
-10
-10
-9
-6
-6
-6
-5
-5
-4
-6
-6

Dew Point (°C)

-11
-11
-11
-11
-11
-11
-12
-12
-13
-14
-15
-15
-16
-17
-18
-17
-17
-17
-17
-15
-14
-13
-12
-12

Relative Humidity (%)

58
58
59
61
61
61
59
57
56
54
49
45
41
36
32
28
28
27
27
31
36
41
44
46

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

301
301
302
303
302
302
302
301
301
300
301
302
303
302
302
302
300
298
297
296
295
294
293
292

Saturday 3

Full Moon 99%

18:21

08:41

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
16 Bad
17 Bad

Sun - Rise: 07:22, Set: 16:47, Transit: 12:04. Moon - Rise: 18:21, Set: 08:41. Civil Dark: 17:17 - 06:52. Nautical Dark: 17:51 - 06:18. Astro Dark: 18:24 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
98
94
87
79
71
60
65
69
79
85
90
94
81
68
60
72
83
94

Low Clouds (% Sky Obscured)

56
54
52
48
43
39
53
67
60
65
69
78
81
84
87
75
63
48
59
70
81

Medium Clouds (% Sky Obscured)

80
79
78
80
82
84
55
24
1
10
12
17
11
8
9
7
4
0
14
28
59

High Clouds (% Sky Obscured)

100
100
100
98
94
87
67
33
0
0
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

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
48
48
49
48
49
49
49
49
49
46
45
43
40
38
36
39
41
44
49
54

Pressure (mb)

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

Ozone (du)

291
291
291
291
292
293
294
295
295
295
296
296
296
297
297
298
298
298
298
300
302

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

Generated: 28/12/25 21:31:04. Forecast: 28/12/25 to 03/01/26. Timezone: UTC-6.00