Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 64%

13:16

02:40

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
16 Bad

Sun - Rise: 08:10, Set: 17:29, Transit: 12:50. Moon - Rise: 13:16, Set: 02:40. Civil Dark: 17:59 - 07:39. Nautical Dark: 18:34 - 07:05. Astro Dark: 19:07 - 06:32

Total Clouds (% Sky Obscured)

100
100
100
100
97
96
93
92
74
80
74
80
91
93
92
89
88
100
100
72
69
67
66
66

Low Clouds (% Sky Obscured)

66
96
84
100
91
86
89
82
68
77
71
77
74
71
83
84
79
80
66
69
65
64
62
64

Medium Clouds (% Sky Obscured)

81
100
100
34
29
33
8
27
0
0
0
0
58
61
28
55
74
73
1
1
0
0
0
0

High Clouds (% Sky Obscured)

99
100
100
100
75
75
0
0
0
0
0
0
0
0
0
1
42
100
47
70
29
0
0
0

ISS Passover

Visibility (miles)

9
7
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

Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
43
5
1
0
0
0
0
0
1
3
4
21
9
26
24
22
7
1
0
0
0
0

Precipitation Amount (mm)

0.5
1.8
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)

19
21
24
26
27
28
27
29
27
28
29
28
28
28
28
27
26
26
25
25
25
24
23
21

Chance of Frost

Temperature (°C)

17
17
16
11
7
3
1
-1
-3
-4
-5
-6
-7
-8
-8
-8
-8
-7
-7
-6
-5
-4
-4
-4

Feels Like (°C)

13
13
11
4
-2
-6
-8
-11
-12
-13
-15
-16
-17
-18
-17
-18
-17
-16
-16
-15
-14
-13
-13
-12

Dew Point (°C)

15
14
13
8
3
-1
-4
-6
-8
-9
-10
-12
-13
-14
-13
-13
-13
-12
-12
-13
-13
-13
-13
-12

Relative Humidity (%)

89
83
81
79
76
72
71
68
68
66
65
62
62
60
65
68
68
67
63
57
52
51
50
53

Pressure (mb)

997
996
996
999
1002
1003
1004
1006
1006
1008
1009
1009
1010
1011
1012
1013
1014
1015
1016
1017
1017
1018
1019
1020

Ozone (du)

278
278
279
283
287
296
313
322
324
327
333
345
356
362
367
369
367
369
375
374
370
372
366
362

Monday 29

Waxing Gibbous 75%

13:49

03:56

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

Sun - Rise: 08:10, Set: 17:29, Transit: 12:50. Moon - Rise: 13:49, Set: 03:56. Civil Dark: 18:00 - 07:39. Nautical Dark: 18:34 - 07:05. Astro Dark: 19:07 - 06:32

Total Clouds (% Sky Obscured)

65
67
65
44
29
34
31
4
10
1
0
0
0
0
1
14
22
73
77
97
100
100
98
94

Low Clouds (% Sky Obscured)

62
66
64
42
25
28
24
0
8
0
0
0
0
0
0
0
0
0
0
0
18
34
63
63

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
73
33
95
95
90
96
89

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
11
22
7
27
45
100
100
72
75

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-13
-13
-14
-14
-15
-14
-14
-14
-14
-14
-13
-13
-14
-14
-14
-14
-15
-12
-12
-11
-12
-12
-11

Dew Point (°C)

-12
-12
-12
-12
-12
-13
-13
-13
-14
-14
-14
-14
-15
-15
-15
-16
-16
-17
-17
-18
-19
-19
-18
-18

Relative Humidity (%)

56
58
61
63
63
63
63
64
63
63
63
64
64
64
62
61
59
52
46
40
35
33
32
34

Pressure (mb)

1020
1021
1023
1023
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1026
1024
1023
1022
1021

Ozone (du)

361
361
360
362
364
365
366
368
373
375
369
369
370
381
387
398
402
401
391
374
362
355
352
350

Tuesday 30

Waxing Gibbous 85%

14:32

05:16

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
16 Bad

Sun - Rise: 08:10, Set: 17:30, Transit: 12:51. Moon - Rise: 14:32, Set: 05:16. Civil Dark: 18:01 - 07:40. Nautical Dark: 18:35 - 07:05. Astro Dark: 19:08 - 06:32

Total Clouds (% Sky Obscured)

86
84
87
84
86
97
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

69
81
69
74
71
95
94
94
90
73
100
100
80
94
90
81
81
86
77
73
84
90
96
93

Medium Clouds (% Sky Obscured)

84
78
79
73
75
81
90
64
37
28
27
69
94
86
89
70
95
100
100
100
93
86
78
81

High Clouds (% Sky Obscured)

60
75
0
0
0
0
1
43
64
79
98
100
100
99
100
100
100
100
100
100
78
52
15
49

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
1
0
0
0
0
0
26

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-17
-16
-15
-14
-13
-13
-12
-12
-11
-10
-9
-8
-6
-5
-5
-6
-5
-6
-7
-8
-8
-9
-9

Relative Humidity (%)

36
37
39
42
43
46
46
47
49
53
57
63
69
78
81
79
72
75
67
60
56
55
51
53

Pressure (mb)

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

Ozone (du)

346
340
341
341
337
336
330
330
327
328
330
329
325
322
322
322
325
322
319
318
316
312
309
307

Wednesday 31

Waxing Gibbous 92%

15:27

06:34

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 OK
07 OK
08 OK
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK

Sun - Rise: 08:10, Set: 17:31, Transit: 12:51. Moon - Rise: 15:27, Set: 06:34. Civil Dark: 18:02 - 07:40. Nautical Dark: 18:36 - 07:06. Astro Dark: 19:09 - 06:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
97
95
92
68
44
30
35
45
65
55
45
45
45
45
40
40

Low Clouds (% Sky Obscured)

90
87
88
88
88
91
93
96
84
73
62
41
21
0
0
4
25
31
34
45
45
22
17
15

Medium Clouds (% Sky Obscured)

86
91
93
94
95
85
88
90
82
78
70
63
44
30
35
45
65
55
45
45
45
40
40
40

High Clouds (% Sky Obscured)

45
72
78
81
76
76
80
75
75
75
75
68
44
30
0
0
0
0
1
1
0
0
0
0

ISS Passover

Visibility (miles)

2
0
0
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
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 (%)

41
34
32
29
31
25
20
14
11
8
6
5
4
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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
13
13
13
12
12
11
11
11
11
11
10
10
10
10
10
10
10
9
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-4
-4
-6
-8
-10
-10
-10
-11
-12
-13
-13
-14
-16
-17
-17
-17
-18
-19
-19
-19
-17
-16
-15

Relative Humidity (%)

74
86
83
71
61
54
54
53
53
51
50
51
51
47
46
45
44
41
37
35
34
39
42
45

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1019
1018
1018
1018

Ozone (du)

305
308
310
311
314
316
318
319
321
320
322
323
326
327
329
332
333
333
328
325
323
322
324
324

Thursday 1

Waxing Gibbous 98%

16:34

07:45

17 OK
18 OK
19 OK
20 Good
21 Good
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

Sun - Rise: 08:10, Set: 17:32, Transit: 12:51. Moon - Rise: 16:34, Set: 07:45. Civil Dark: 18:02 - 07:40. Nautical Dark: 18:37 - 07:06. Astro Dark: 19:10 - 06:33

Total Clouds (% Sky Obscured)

41
29
28
4
4
31
61
95
95
95
95
95
95
95
88
81
83
70
74
80
84
81
79
75

Low Clouds (% Sky Obscured)

13
3
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)

41
4
0
0
0
10
23
35
38
36
33
38
43
48
56
68
80
70
64
70
74
75
71
68

High Clouds (% Sky Obscured)

0
0
0
1
2
23
47
75
85
90
95
95
95
95
84
72
61
55
54
51
34
17
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-14
-14
-14
-14
-14
-14
-15
-15
-15
-15
-15
-16
-16
-16
-17
-17
-18
-18
-19
-20
-20
-20
-21

Relative Humidity (%)

48
50
52
52
54
55
55
55
53
56
54
54
53
52
53
49
46
44
38
33
28
27
26
25

Pressure (mb)

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

Ozone (du)

322
319
319
319
319
319
317
317
316
313
312
311
310
310
309
307
305
303
303
304
305
304
304
303

Friday 2

Waxing Gibbous 100%

No Rise

08:43

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

Sun - Rise: 08:10, Set: 17:33, Transit: 12:52. Moon - Rise: No Rise, Set: 08:43. Civil Dark: 18:03 - 07:40. Nautical Dark: 18:37 - 07:06. Astro Dark: 19:10 - 06:33

Total Clouds (% Sky Obscured)

72
69
59
47
38
56
75
94
94
90
80
71
71
71
66
46
43
44
49
54
62
68
85
82

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
13
22
18

Medium Clouds (% Sky Obscured)

61
59
47
39
32
21
9
0
0
0
0
4
6
9
9
9
9
14
21
26
44
35
25
19

High Clouds (% Sky Obscured)

0
0
0
0
0
10
20
89
89
90
80
54
28
2
3
2
2
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 (%)

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)

10
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9
9
9
10
10
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-9
-11
-10
-10
-11
-11
-11
-13
-13
-13
-13
-12
-12
-12
-11
-11
-11
-10
-10
-7
-6
-6

Dew Point (°C)

-20
-20
-19
-19
-19
-19
-19
-19
-18
-18
-17
-17
-17
-16
-15
-15
-15
-14
-14
-13
-13
-12
-11
-11

Relative Humidity (%)

27
29
33
34
34
35
39
42
45
48
52
55
56
58
59
55
55
52
49
47
45
44
44
44

Pressure (mb)

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

Ozone (du)

303
304
304
308
311
314
315
316
317
316
316
316
316
317
318
318
318
318
318
317
317
316
314
312

Saturday 3

Full Moon 99%

17:50

09:29

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

Sun - Rise: 08:10, Set: 17:34, Transit: 12:52. Moon - Rise: 17:50, Set: 09:29. Civil Dark: 18:04 - 07:40. Nautical Dark: 18:38 - 07:06. Astro Dark: 19:11 - 06:33

Total Clouds (% Sky Obscured)

55
53
51
35
14
24
34
44
63
81
100
93
85
78
63
50
37
49
66
80

Low Clouds (% Sky Obscured)

13
8
12
16
14
22
28
28
29
30
32
30
27
15
14
14
13
13
13
17

Medium Clouds (% Sky Obscured)

18
17
16
16
14
17
19
24
25
18
13
35
52
64
39
20
1
6
10
12

High Clouds (% Sky Obscured)

0
0
14
28
14
24
34
44
63
81
100
93
85
78
59
35
10
19
25
22

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
45
46
46
47
48
48
50
50
50
50
50
53
54
56
55
55
53
47
42

Pressure (mb)

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

Ozone (du)

312
312
312
310
309
308
309
309
309
308
308
307
307
307
307
307
307
307
308
308

Forecast for Lafayette, Tippecanoe, United States of America (40.42,-86.88)

Generated: 28/12/25 17:51:47. Forecast: 28/12/25 to 03/01/26. Timezone: UTC-5.00