Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 14

Waning Crescent 17%

04:03

14:19

15 Good
16 Good
17 Good
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
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 OK

Sun - Rise: 08:04, Set: 17:21, Transit: 12:43. Moon - Rise: 04:03, Set: 14:19. Civil Dark: 17:52 - 07:33. Nautical Dark: 18:26 - 06:59. Astro Dark: 19:00 - 06:26

Total Clouds (% Sky Obscured)

2
14
2
12
72
68
74
45
44
27
51
54
30
39
50
51
35
56
54
79
76
97
100
42

Low Clouds (% Sky Obscured)

0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
1
1
65
68
31
44
23
49
38
18
26
38
47
33
56
49
77
70
68
100
42

High Clouds (% Sky Obscured)

0
0
2
12
72
49
72
45
0
1
3
54
30
39
50
51
35
56
40
7
76
33
100
42

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
7
6
5
6
5
5
5
6
6
6
7
8
9
10
12
13
15
17
18
18
18

Chance of Frost

Temperature (°C)

-14
-14
-15
-17
-18
-19
-19
-19
-19
-20
-20
-20
-19
-19
-19
-18
-18
-17
-16
-14
-12
-10
-8
-7

Feels Like (°C)

-18
-17
-18
-21
-23
-23
-23
-23
-24
-23
-23
-23
-24
-24
-24
-24
-24
-24
-23
-21
-19
-18
-15
-14

Dew Point (°C)

-18
-18
-18
-19
-21
-21
-22
-21
-22
-23
-23
-23
-22
-22
-22
-22
-21
-21
-20
-18
-16
-14
-12
-11

Relative Humidity (%)

68
70
77
80
80
80
78
79
78
77
78
77
77
75
73
73
73
71
73
72
72
71
72
73

Pressure (mb)

1039
1039
1039
1039
1040
1040
1040
1039
1039
1038
1038
1037
1036
1035
1034
1034
1034
1033
1032
1031
1029
1027
1025
1023

Ozone (du)

299
299
299
300
303
297
295
297
295
297
296
290
282
278
276
275
275
274
272
272
272
274
276
279

Monday 15

Waning Crescent 11%

05:05

14:46

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

Sun - Rise: 08:04, Set: 17:22, Transit: 12:43. Moon - Rise: 05:05, Set: 14:46. Civil Dark: 17:52 - 07:34. Nautical Dark: 18:27 - 06:59. Astro Dark: 19:00 - 06:26

Total Clouds (% Sky Obscured)

10
13
10
29
21
73
94
86
100
92
0
5
38
1
1
6
1
5
5
4
16
8
5
5

Low Clouds (% Sky Obscured)

0
0
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)

10
10
10
10
15
26
68
44
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
13
10
29
21
18
32
32
100
51
0
5
34
1
1
5
1
5
5
4
16
8
5
5

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)

17
16
13
10
10
8
9
9
8
8
9
7
8
7
7
7
8
9
11
12
13
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-12
-12
-12
-12
-12
-11
-10
-10
-12
-11
-11
-13
-11
-11
-11
-11
-10
-12
-10
-8
-7
-6
-5

Dew Point (°C)

-10
-9
-9
-9
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-9
-9
-9
-7
-5
-4
-3
-2

Relative Humidity (%)

74
76
77
82
82
85
85
82
82
80
82
83
85
85
83
87
87
85
85
82
82
81
84
86

Pressure (mb)

1022
1022
1021
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1017
1015
1014

Ozone (du)

279
284
282
282
284
283
284
285
287
286
282
280
280
279
278
276
276
274
273
274
274
274
274
273

Tuesday 16

Waning Crescent 5%

06:08

No Set

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

Sun - Rise: 08:05, Set: 17:22, Transit: 12:44. Moon - Rise: 06:08, Set: No Set. Civil Dark: 17:53 - 07:34. Nautical Dark: 18:27 - 07:00. Astro Dark: 19:00 - 06:27

Total Clouds (% Sky Obscured)

1
0
0
0
0
0
100
24
100
97
100
98
100
100
100
100
78
58
51
47
61
39
54
69

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
26
28
38
47
54
58
59
53
51
47
55
39
42
50

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
1
99
95
100
96
100
100
100
83
58
6
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
0
0
91
24
100
96
44
28
100
100
97
100
0
0
0
0
21
3
25
52

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
1
0
21
36
3
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
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
14
13
14
15
16
15
15
15
15
15
14
14
13
12
10
9
7
7
7
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
84
83
81
80
78
80
81
81
84
88
89
91
94
94
96
96
98
100
98
94
91
86

Pressure (mb)

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

Ozone (du)

272
274
276
276
278
279
281
285
287
286
288
290
295
299
302
305
310
312
312
313
313
314
315
318

Wednesday 17

Waning Crescent 2%

07:09

15:19

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
14 Bad

Sun - Rise: 08:06, Set: 17:22, Transit: 12:44. Moon - Rise: 07:09, Set: 15:19. Civil Dark: 17:53 - 07:35. Nautical Dark: 18:27 - 07:01. Astro Dark: 19:01 - 06:27

Total Clouds (% Sky Obscured)

80
88
79
65
77
89
100
100
100
100
100
100
100
99
99
99
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

56
53
48
42
36
30
24
49
75
100
100
99
99
98
96
95
95
95
96
98
99
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
1
5
3
2
1
0
27
66
89
94
97
98
99
100
100
91
90
87
92
79

High Clouds (% Sky Obscured)

76
75
57
35
63
89
100
94
91
83
88
93
98
93
87
86
90
94
100
100
44
77
100
88

ISS Passover

Visibility (miles)

9
9
9
9
6
8
9
9
9
9
9
9
0
0
0
0
0
0
1
7
4
7
4
4

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
4
22
31
46
86
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
0.8
0.7
0.6
1
2.8
1.3

Wind Speed/Direction (mph)

5
5
6
7
7
8
9
10
10
10
12
13
14
14
15
15
16
18
19
20
20
21
20
22

Chance of Frost

Temperature (°C)

3
3
2
2
2
2
2
2
2
2
3
3
4
5
5
6
6
7
7
8
8
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
96
96
98
98
96
96
94
96
96
94
94
98
98
98
98
96
96
96
93
95
95
95
88

Pressure (mb)

1016
1016
1016
1016
1017
1016
1016
1015
1014
1013
1012
1011
1010
1009
1008
1007
1006
1004
1003
1002
1001
999
997
997

Ozone (du)

319
320
322
322
320
319
311
313
313
311
312
311
309
307
305
307
310
312
313
316
320
322
323
326

Thursday 18

Waning Crescent 0%

08:07

15:59

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 OK
13 OK
14 OK

Sun - Rise: 08:06, Set: 17:23, Transit: 12:45. Moon - Rise: 08:07, Set: 15:59. Civil Dark: 17:54 - 07:35. Nautical Dark: 18:28 - 07:01. Astro Dark: 19:01 - 06:28

Total Clouds (% Sky Obscured)

100
100
73
65
59
96
93
76
80
73
81
88
97
95
93
88
85
84
85
69
52
29
19
15

Low Clouds (% Sky Obscured)

100
85
73
65
59
87
81
76
73
68
75
82
88
87
86
85
85
84
85
65
44
23
19
15

Medium Clouds (% Sky Obscured)

74
81
55
49
23
53
16
20
69
2
13
25
36
37
37
38
38
28
4
3
12
5
2
2

High Clouds (% Sky Obscured)

52
92
45
50
37
18
0
0
0
0
0
0
0
0
0
0
1
1
2
5
3
3
4
4

ISS Passover

Visibility (miles)

4
9
9
9
9
9
9
9
9
9
9
9
7
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

Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
Snow
Snow
None
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

79
95
95
95
95
79
19
19
17
12
21
27
31
37
36
33
40
25
2
3
2
0
0
0

Precipitation Amount (mm)

0.3
0.7
1.1
1.4
1
0.5
0
0
0
0
0
0
0
0.1
0.1
0
0.1
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
18
13
14
18
17
24
24
23
23
23
23
21
21
21
20
18
16
15
15
14
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
2
2
2
1
-5
-8
-8
-10
-12
-12
-11
-12
-13
-12
-11
-11
-12
-12
-12
-12
-12
-9

Dew Point (°C)

7
6
4
2
1
1
-1
-4
-5
-6
-7
-8
-7
-8
-10
-11
-11
-12
-12
-12
-12
-12
-12
-12

Relative Humidity (%)

91
82
78
79
83
85
74
71
75
75
75
76
82
77
74
71
70
67
66
63
60
56
52
52

Pressure (mb)

996
996
997
997
998
999
1000
1002
1003
1005
1006
1008
1009
1011
1012
1014
1015
1016
1018
1019
1019
1020
1020
1021

Ozone (du)

330
334
340
345
350
357
361
360
359
362
358
350
353
343
340
341
339
337
335
334
331
329
327
324

Friday 19

New Moon 1%

08:58

16:46

15 Good
16 Good
17 Good
18 Good
19 OK
20 OK
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

Sun - Rise: 08:07, Set: 17:23, Transit: 12:45. Moon - Rise: 08:58, Set: 16:46. Civil Dark: 17:54 - 07:36. Nautical Dark: 18:28 - 07:02. Astro Dark: 19:01 - 06:28

Total Clouds (% Sky Obscured)

11
7
4
0
23
48
70
63
56
50
66
84
99
99
100
100
99
99
99
95
90
86
91
94

Low Clouds (% Sky Obscured)

11
7
4
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
5
4
0
23
48
70
63
56
50
66
76
64
76
87
100
93
85
78
84
88
86
83
40

High Clouds (% Sky Obscured)

5
4
3
0
3
8
40
63
56
19
46
73
99
99
100
100
98
96
94
73
54
34
52
71

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)

12
12
10
9
9
8
7
7
7
8
10
10
11
12
13
14
15
15
17
18
19
19
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-7
-8
-7
-8
-8
-8
-7
-7
-7
-6
-7
-7
-7
-8
-8
-8
-7
-8
-8
-8
-7
-3

Dew Point (°C)

-12
-11
-11
-10
-10
-10
-9
-8
-8
-7
-7
-7
-7
-7
-7
-8
-8
-8
-7
-8
-7
-6
-4
-3

Relative Humidity (%)

51
51
56
59
64
64
65
67
67
67
67
67
67
67
66
63
62
60
59
55
56
55
55
59

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1019
1018
1017
1016
1015
1014
1013
1011
1010
1009

Ozone (du)

322
319
317
315
313
312
311
309
308
307
306
304
303
302
302
302
301
302
302
303
301
299
297
297

Saturday 20

Waxing Crescent 3%

09:43

17:42

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

Sun - Rise: 08:07, Set: 17:24, Transit: 12:46. Moon - Rise: 09:43, Set: 17:42. Civil Dark: 17:54 - 07:36. Nautical Dark: 18:29 - 07:02. Astro Dark: 19:02 - 06:29

Total Clouds (% Sky Obscured)

98
97
88
85
93
97
100
100
99
99
99
99
100
100
100
100
100
100
100
82
66
48

Low Clouds (% Sky Obscured)

0
5
9
11
17
27
45
40
35
45
52
59
66
69
63
49
56
63
70
51
33
18

Medium Clouds (% Sky Obscured)

25
16
12
9
29
51
71
66
60
53
59
76
91
94
96
99
93
88
81
66
55
40

High Clouds (% Sky Obscured)

89
81
73
64
76
88
100
92
84
76
75
74
74
51
32
44
71
87
99
81
66
48

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

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 (%)

0
0
0
0
12
17
19
31
37
39
39
41
29
32
27
13
12
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
67
72
77
85
88
91
93
94
96
98
91
85
80
82
82
83
81
79
76
64
55

Pressure (mb)

1008
1007
1007
1007
1007
1007
1006
1006
1006
1007
1007
1008
1008
1009
1010
1011
1012
1014
1015
1017
1018
1019

Ozone (du)

296
296
295
294
293
292
292
292
292
291
291
290
290
289
289
290
291
293
295
297
300
302

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

Generated: 14/12/25 15:28:14. Forecast: 14/12/25 to 20/12/25. Timezone: UTC-5.00