Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 13%

10:08

20:00

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

Sun - Rise: 07:27, Set: 16:27, Transit: 11:57. Moon - Rise: 10:08, Set: 20:00. Civil Dark: 16:59 - 06:54. Nautical Dark: 17:35 - 06:18. Astro Dark: 18:10 - 05:44

Total Clouds (% Sky Obscured)

20
31
15
37
97
100
100
100
100
100
94
43
61
44
42
24
11
10
7
18
25
44
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
3
1
1
0
1
5
22
92
68

High Clouds (% Sky Obscured)

20
26
15
37
94
100
100
100
100
100
94
43
58
44
41
18
7
3
7
15
25
44
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)

4
4
4
5
5
6
7
7
9
9
9
8
7
6
5
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
93
89
83
79
78
76
75
79
83
84
83
83
81
81
81
83
83
81
81

Pressure (mb)

1014
1015
1016
1017
1018
1019
1020
1020
1020
1020
1021
1022
1023
1024
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027

Ozone (du)

266
269
271
271
271
269
270
269
268
268
268
269
269
266
266
266
264
264
263
263
266
266
261
259

Wednesday 24

Waxing Crescent 21%

10:32

21:09

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:27, Set: 16:27, Transit: 11:57. Moon - Rise: 10:32, Set: 21:09. Civil Dark: 17:00 - 06:55. Nautical Dark: 17:36 - 06:19. Astro Dark: 18:10 - 05:44

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
98
100
100

Low Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
100
95
100
100
100
100
100
100
100
100
100
100
99
98
100
100

Medium Clouds (% Sky Obscured)

18
99
99
92
77
100
100
100
100
100
100
100
100
86
40
15
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
47
3
3
0
0
0
0
4
52
84
80

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
8
6
2
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
79
83
84
81
77
76
76
79
82
81
83
85
84
86
86
88
89
89
91
91
93

Pressure (mb)

1027
1027
1027
1026
1026
1026
1025
1023
1022
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

257
258
259
260
258
259
257
258
260
261
263
264
262
263
265
270
270
270
271
272
268
269
268
264

Thursday 25

Waxing Crescent 31%

10:53

22:18

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:27, Set: 16:28, Transit: 11:58. Moon - Rise: 10:53, Set: 22:18. Civil Dark: 17:00 - 06:55. Nautical Dark: 17:36 - 06:19. Astro Dark: 18:11 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
88
100
95
100
95
95
100
100
100
100
100
100
100
100
71
92
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
82
76
22
65
76
37
25
28
100
58
70
77
4
79
100
62
65
72
84
58

High Clouds (% Sky Obscured)

65
56
100
100
100
100
88
49
67
100
77
100
100
100
100
100
100
100
100
100
80
63
45
45

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
7
9
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
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
3
6
47
62
56
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
1
1
1
0
1
1
2
2
2
2
2
2
1
1
1
1
1
1
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
86
83
78
74
74
77
79
77
77
81
81
83
83
83
81
83
81
81
86
89
94

Pressure (mb)

1020
1021
1022
1022
1021
1022
1023
1022
1021
1021
1020
1020
1019
1019
1018
1017
1016
1015
1014
1013
1011
1010
1009
1008

Ozone (du)

263
263
261
261
261
260
260
259
259
258
257
257
257
257
258
259
260
260
260
263
264
264
264
265

Friday 26

Waxing Crescent 41%

11:13

23:28

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:28, Set: 16:29, Transit: 11:58. Moon - Rise: 11:13, Set: 23:28. Civil Dark: 17:01 - 06:55. Nautical Dark: 17:37 - 06:20. Astro Dark: 18:12 - 05:45

Total Clouds (% Sky Obscured)

100
100
97
95
92
94
97
100
100
100
100
95
96
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
97
94
91
94
97
100
100
100
99
89
93
100
100
100
99
100
93
100
100
100
100
96

Medium Clouds (% Sky Obscured)

29
5
0
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
2
2
27
29
54
52

High Clouds (% Sky Obscured)

35
0
0
35
52
3
2
0
0
0
0
0
0
0
15
26
42
64
82
100
81
65
48
64

ISS Passover

Visibility (miles)

8
8
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
3
3
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

Very Light Rain
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 (%)

51
36
14
6
0
1
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
96
96
93
93
91
91
91
94
94
94
96
96
96
96
98
98
98
98
98

Pressure (mb)

1007
1007
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1009
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

267
272
275
278
283
286
292
296
302
308
311
302
301
307
306
302
303
304
305
306
307
307
307
307

Saturday 27

First Quarter 52%

11:33

00:40

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:28, Set: 16:30, Transit: 11:59. Moon - Rise: 11:33, Set: 00:40. Civil Dark: 17:02 - 06:56. Nautical Dark: 17:38 - 06:20. Astro Dark: 18:12 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
93
80
84
89
94
93
94
92
93

Low Clouds (% Sky Obscured)

86
77
76
84
81
61
37
38
40
42
47
44
42
57
61
59
44
52
65
80
56
33
15
14

Medium Clouds (% Sky Obscured)

63
57
51
58
22
57
100
100
100
100
100
87
94
98
66
39
9
6
5
0
0
0
0
5

High Clouds (% Sky Obscured)

82
100
100
100
100
100
100
100
100
100
100
100
100
100
94
88
80
73
64
50
42
34
26
31

ISS Passover

Visibility (miles)

3
3
1
0
0
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
1
2
2
5
4
2
9
11
13
10
7
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
7
8
8
8
8
9
10
10
9
9
9
9
8
8
8
9
11
10
8
9
10
11
13

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
3
4
5
5
6
6
6
5
5
5
5
5
5
4
4
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
94
91
88
86
88
90
93
94
94
96
93
91
88
85
80
77
76
74
72

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1009
1008
1007
1006
1005
1005
1004
1004
1004
1005
1005
1005
1006
1006
1007
1008
1009

Ozone (du)

308
308
308
310
309
308
307
306
306
308
306
307
309
311
314
319
324
330
332
335
338
337
337
336

Sunday 28

Waxing Gibbous 64%

11:55

01:55

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 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:28, Set: 16:30, Transit: 11:59. Moon - Rise: 11:55, Set: 01:55. Civil Dark: 17:03 - 06:56. Nautical Dark: 17:38 - 06:20. Astro Dark: 18:13 - 05:46

Total Clouds (% Sky Obscured)

96
99
98
86
72
78
90
91
79
64
56
54
48
45
45
40
35
54
70
87
77
67
58
41

Low Clouds (% Sky Obscured)

18
23
22
21
20
22
24
20
24
27
30
29
27
39
45
40
35
54
70
78
72
65
58
41

Medium Clouds (% Sky Obscured)

11
22
40
47
45
69
73
80
51
26
0
4
8
16
10
6
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

37
9
0
0
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
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 (%)

1
1
4
3
3
3
2
1
2
1
0
0
0
0
0
1
0
1
2
2
2
1
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
17
18
18
18
19
20
20
21
22
23
24
24
24
24
23
23
23
22
22
22
21
21
21

Chance of Frost

Temperature (°C)

2
-1
-2
-3
-4
-5
-6
-5
-6
-6
-7
-8
-9
-10
-11
-12
-12
-13
-13
-13
-13
-14
-14
-14

Feels Like (°C)

-3
-5
-6
-10
-11
-12
-12
-13
-13
-14
-15
-15
-16
-16
-16
-20
-20
-21
-20
-21
-21
-23
-23
-23

Dew Point (°C)

-4
-7
-9
-11
-12
-14
-15
-15
-16
-16
-17
-18
-19
-19
-20
-20
-20
-21
-20
-21
-20
-20
-21
-21

Relative Humidity (%)

66
61
57
54
52
50
48
47
45
45
44
45
45
46
47
49
51
53
54
54
56
56
56
56

Pressure (mb)

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

Ozone (du)

339
341
344
347
351
354
371
389
406
415
424
433
429
426
423
409
396
382
367
352
337
337
338
338

Monday 29

Waxing Gibbous 75%

12:20

03:15

Sun - Rise: 07:28, Set: 16:31, Transit: 12:00. Moon - Rise: 12:20, Set: 03:15. Civil Dark: 17:03 - 06:56. Nautical Dark: 17:39 - 06:20. Astro Dark: 18:14 - 05:46

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Madison, Dane, United States of America (43.07,-89.40)

Generated: 23/12/25 04:48:38. Forecast: 23/12/25 to 29/12/25. Timezone: UTC-6.00