Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 13%

No Rise

20:56

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

Sun - Rise: 08:08, Set: 17:25, Transit: 12:47. Moon - Rise: No Rise, Set: 20:56. Civil Dark: 17:56 - 07:38. Nautical Dark: 18:30 - 07:03. Astro Dark: 19:04 - 06:30

Total Clouds (% Sky Obscured)

87
91
86
95
95
64
38
20
11
4
1
1
1
2
4
5
23
21
100
72
100
100
100
100

Low Clouds (% Sky Obscured)

53
57
38
38
35
31
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
0
0
13
7
1
0
2
1
0
0
0
1
1
7
15
10
69
1
0
0
0

High Clouds (% Sky Obscured)

87
91
86
95
95
64
38
20
11
4
1
1
1
2
4
5
23
21
100
72
100
100
100
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
76
72
68
67
72
78
82
85
87
86
86
83
79
77
77
77
78
80
80
78
77
74
68

Pressure (mb)

1020
1020
1019
1019
1019
1020
1021
1022
1023
1023
1024
1024
1025
1025
1026
1026
1027
1026
1026
1027
1027
1028
1028
1027

Ozone (du)

261
260
259
258
259
260
260
262
261
262
261
262
260
260
259
259
260
261
262
261
260
256
255
255

Wednesday 24

Waxing Crescent 21%

11:17

22:03

11 Bad
12 Bad
13 Bad
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

Sun - Rise: 08:09, Set: 17:26, Transit: 12:47. Moon - Rise: 11:17, Set: 22:03. Civil Dark: 17:57 - 07:38. Nautical Dark: 18:31 - 07:04. Astro Dark: 19:04 - 06:31

Total Clouds (% Sky Obscured)

100
100
100
70
100
100
100
100
100
100
97
97
92
100
100
100
100
100
91
97
97
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
52
82
100
100
100
94
88
85
99
100
100
100
100
91
97
97
100
97
92

Medium Clouds (% Sky Obscured)

0
41
0
0
38
65
95
100
94
92
73
87
54
57
31
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
70
100
100
100
100
98
0
9
1
0
0
0
60
42
89
67
70
69
76
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
0
0
0
0
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
60
9
5
2
45
45
47
1
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
14
30
25
35
22
54
45
14
9
5
5
2
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
5
7
8
9
9
9
9
9
9
9
10
10
10
10
10
10
10
10
9
9
8
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
49
44
46
53
62
74
82
90
93
98
98
98
98
98
98
96
95
95
95
91
91
91
84

Pressure (mb)

1027
1026
1024
1023
1021
1021
1020
1019
1019
1018
1018
1017
1017
1017
1016
1016
1017
1017
1017
1018
1018
1019
1020
1020

Ozone (du)

254
255
254
253
255
258
260
261
262
261
259
257
255
256
256
257
259
259
258
258
255
255
256
256

Thursday 25

Waxing Crescent 31%

11:40

23:10

11 Bad
12 Bad
13 Bad
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

Sun - Rise: 08:09, Set: 17:27, Transit: 12:48. Moon - Rise: 11:40, Set: 23:10. Civil Dark: 17:57 - 07:38. Nautical Dark: 18:32 - 07:04. Astro Dark: 19:05 - 06:31

Total Clouds (% Sky Obscured)

100
93
89
100
100
93
100
98
99
94
96
99
100
100
100
100
100
100
98
97
97
97
98
98

Low Clouds (% Sky Obscured)

87
89
88
86
92
93
90
91
92
86
92
85
83
100
100
92
88
100
96
96
95
94
93
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
11
30
39
61
72
66
98
100
100
53
38
81
73
64
40
36

High Clouds (% Sky Obscured)

100
88
60
100
96
39
100
87
82
30
28
83
100
100
100
100
46
47
58
52
26
30
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
0
0
0

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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
0
0
1
4
20
26
29
34
49
19
5
29
25
32
39
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
5
5
6
6
5
4
3
2
2
1
2
2
2
3
4
4
6
7
9
9
11
12

Dew Point (°C)

4
4
4
4
4
4
4
3
2
2
2
2
2
3
3
4
5
7
8
10
12
13
14
14

Relative Humidity (%)

78
73
69
66
65
65
67
68
67
66
69
70
70
71
74
78
82
85
88
93
96
98
98
96

Pressure (mb)

1021
1020
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1015
1014
1013
1012
1010
1008
1007
1006
1006
1005
1004

Ozone (du)

254
254
255
254
254
252
253
253
254
255
256
257
258
258
258
260
260
261
261
260
260
263
266
266

Friday 26

Waxing Crescent 41%

12:02

00:17

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

Sun - Rise: 08:09, Set: 17:27, Transit: 12:48. Moon - Rise: 12:02, Set: 00:17. Civil Dark: 17:58 - 07:39. Nautical Dark: 18:32 - 07:04. Astro Dark: 19:05 - 06:31

Total Clouds (% Sky Obscured)

98
97
97
98
98
99
99
100
98
73
86
87
78
79
64
57
43
96
94
92
91
90
88
92

Low Clouds (% Sky Obscured)

91
90
92
94
96
97
99
100
97
73
86
87
78
79
64
57
43
57
49
41
44
59
62
62

Medium Clouds (% Sky Obscured)

33
33
25
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
4
3
0
15

High Clouds (% Sky Obscured)

0
0
0
0
0
64
80
75
75
6
52
53
20
42
11
16
20
78
75
75
63
58
59
75

ISS Passover

Visibility (miles)

8
9
9
9
8
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 (%)

21
22
22
20
9
8
6
4
2
2
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
14
14
14
13
11
11
10
9
9
7
6
7
6
7
6
6
3
3
2
2
3
3

Dew Point (°C)

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

Relative Humidity (%)

96
93
90
90
92
96
92
90
90
90
95
95
95
95
94
94
94
94
94
98
96
96
94
90

Pressure (mb)

1004
1003
1003
1003
1004
1005
1006
1007
1008
1009
1010
1010
1011
1011
1011
1012
1013
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

269
271
274
279
279
280
282
282
282
282
284
280
278
280
281
281
284
283
282
280
280
281
284
287

Saturday 27

First Quarter 52%

12:24

01:27

11 Bad
12 Bad
13 Bad
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

Sun - Rise: 08:10, Set: 17:28, Transit: 12:49. Moon - Rise: 12:24, Set: 01:27. Civil Dark: 17:59 - 07:39. Nautical Dark: 18:33 - 07:05. Astro Dark: 19:06 - 06:32

Total Clouds (% Sky Obscured)

96
100
100
99
98
98
97
97
97
98
98
96
94
91
100
100
100
100
100
100
99
99
100
100

Low Clouds (% Sky Obscured)

59
62
54
43
32
45
59
72
71
69
68
67
67
66
75
77
78
77
75
73
73
74
74
83

Medium Clouds (% Sky Obscured)

23
30
14
6
0
9
52
95
95
91
96
92
79
44
100
100
100
100
100
100
99
99
100
100

High Clouds (% Sky Obscured)

88
100
99
98
97
94
90
85
83
80
78
71
65
58
60
80
100
100
100
100
99
99
100
67

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
11
14
21
17
2
3
2
1
30
34
36
31
27
24
38

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
9
9
10
9
9
9
9
9
9
9
10
11
12
12
13
14
16
16
16
16
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
7
8
9
10
9
8
8
9
10
11
11
11
12
13
13
14
14
15
15
5
4
2

Dew Point (°C)

5
5
6
6
7
9
9
9
10
10
11
12
13
13
13
13
12
12
10
9
8
5
2
-1

Relative Humidity (%)

82
76
72
70
73
77
87
91
95
96
96
96
98
96
93
92
89
87
84
81
77
71
63
57

Pressure (mb)

1014
1013
1012
1011
1010
1010
1009
1009
1009
1008
1008
1007
1007
1006
1006
1005
1006
1007
1008
1009
1010
1011
1012
1013

Ozone (du)

286
284
284
284
282
283
284
285
285
285
285
285
289
292
295
298
301
303
304
305
306
306
307
307

Sunday 28

Waxing Gibbous 64%

12:48

02:40

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

Sun - Rise: 08:10, Set: 17:29, Transit: 12:49. Moon - Rise: 12:48, 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
93
86
81
61
38
17
14
10
7
22
38
53
63
70
82
59
34
11
7
4
0
0

Low Clouds (% Sky Obscured)

91
100
74
48
21
14
7
0
0
0
0
14
32
46
35
24
13
10
9
6
3
1
0
0

Medium Clouds (% Sky Obscured)

100
100
85
58
22
12
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

33
4
58
70
74
45
36
16
13
10
4
12
9
3
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 (%)

40
40
34
22
3
3
1
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
19
21
20
21
21
21
22
23
21
21
21
21
21
21
21
21
21
21
21
21
21
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
0
-2
-4
-5
-6
-6
-7
-7
-11
-11
-12
-12
-12
-13
-16
-16
-16
-16
-17
-17
-17
-18
-17

Dew Point (°C)

-4
-7
-11
-11
-12
-12
-13
-15
-15
-16
-17
-19
-19
-19
-20
-20
-20
-20
-20
-20
-20
-20
-20
-20

Relative Humidity (%)

48
40
33
34
34
35
36
37
38
38
38
37
37
37
38
38
39
40
41
41
43
42
42
41

Pressure (mb)

1013
1013
1013
1014
1015
1015
1017
1018
1019
1020
1021
1022
1022
1023
1023
1023
1024
1024
1025
1025
1025
1026
1027
1027

Ozone (du)

310
313
317
321
325
329
333
337
341
345
349
353
356
360
363
361
359
356
359
362
364
363
361
359

Monday 29

Waxing Gibbous 75%

13:16

03:56

11 Good
12 Good
13 Good
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 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 08:10, Set: 17:29, Transit: 12:50. Moon - Rise: 13:16, 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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
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

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)

21
21
21
21
20
19
18
17
17
16
16
15
14
13
12
12
11
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-18
-17
-17
-15
-14
-14
-14
-14
-13
-15
-14
-14
-15
-14
-14
-15
-15
-15
-15
-15

Dew Point (°C)

-20
-20
-20
-20
-20
-20
-21
-21
-22
-22
-22
-22
-22
-21
-21
-21
-21
-20
-20
-20

Relative Humidity (%)

38
36
34
33
32
32
32
32
32
32
33
33
35
37
39
40
41
43
45
45

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

354
349
344
344
343
342
349
355
362
366
369
373
376
378
380
360
340
319
314
308

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

Generated: 23/12/25 11:51:54. Forecast: 23/12/25 to 29/12/25. Timezone: UTC-5.00