Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Full Moon 100%

15:47

08:25

09 OK
10 OK
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 OK
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

Sun - Rise: 07:14, Set: 16:22, Transit: 11:48. Moon - Rise: 15:47, Set: 08:25. Civil Dark: 16:54 - 06:42. Nautical Dark: 17:30 - 06:07. Astro Dark: 18:04 - 05:32

Total Clouds (% Sky Obscured)

4
4
4
0
0
0
1
5
9
58
47
34
46
40
31
98
95
76
89
81
71
61
52
86

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
1
3
2
2
2
2
2
8
27
90
76
37
57
57
52
42
28
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
54
46
34
46
40
17
23
69
46
40
20
6
6
25
70

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
3
9
8
4
4
4
2
3
37
18
2
9
1
29
2
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 (%)

65
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)

3
2
2
2
4
7
7
6
6
6
7
8
9
10
11
11
12
13
13
12
13
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-22
-20
-20
-18
-18
-17
-16
-17
-19
-19
-19
-19
-20
-19
-19
-18
-17
-16
-16
-16
-15
-14
-14
-14

Relative Humidity (%)

75
71
67
65
66
70
78
79
81
80
76
76
75
75
75
76
77
78
79
79
79
81
81
81

Pressure (mb)

1033
1033
1032
1031
1030
1029
1029
1028
1028
1027
1026
1026
1025
1024
1023
1022
1021
1020
1019
1018
1017
1016
1016
1015

Ozone (du)

379
376
371
366
359
357
360
356
353
352
352
352
344
338
333
329
328
324
324
321
321
323
324
319

Friday 5

Waning Gibbous 97%

16:49

No Set

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:15, Set: 16:22, Transit: 11:48. Moon - Rise: 16:49, Set: No Set. Civil Dark: 16:54 - 06:43. Nautical Dark: 17:30 - 06:07. Astro Dark: 18:04 - 05:33

Total Clouds (% Sky Obscured)

85
100
100
100
99
100
94
97
90
92
92
91
97
100
100
89
85
94
100
74
42
64
78
68

Low Clouds (% Sky Obscured)

4
4
2
3
11
38
45
76
72
80
83
84
94
100
100
81
85
94
100
74
42
62
78
67

Medium Clouds (% Sky Obscured)

68
94
100
100
99
100
86
87
70
64
61
40
58
61
55
26
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

43
89
98
100
37
4
2
15
24
14
4
3
2
0
0
0
0
0
0
0
0
4
62
68

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
4
3
4
3
3
3
2
1
3
4
9
8

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
4
0
1
2
5
2
3
5
5
6
12
5
5
5
5
16
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
12
12
12
12
11
10
9
10
11
10
10
9
8
8
8
8
11
11
12
8
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-13
-11
-10
-9
-7
-7
-6
-6
-6
-6
-5
-5
-5
-4
-5
-5
-5
-5
-5
-6
-7
-8
-9
-9

Relative Humidity (%)

81
82
82
84
87
87
87
90
90
92
94
94
94
96
94
94
94
94
94
92
87
85
87
90

Pressure (mb)

1015
1014
1013
1012
1011
1010
1010
1009
1009
1009
1009
1009
1008
1009
1009
1009
1009
1010
1010
1011
1011
1012
1014
1015

Ozone (du)

316
314
310
310
310
309
309
307
306
305
305
306
306
307
306
305
304
307
308
310
310
311
314
318

Saturday 6

Waning Gibbous 92%

18:02

09:29

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:16, Set: 16:22, Transit: 11:49. Moon - Rise: 18:02, Set: 09:29. Civil Dark: 16:54 - 06:44. Nautical Dark: 17:30 - 06:08. Astro Dark: 18:04 - 05:34

Total Clouds (% Sky Obscured)

61
73
79
87
94
98
92
100
100
100
100
100
99
100
100
100
100
100
100
99
96
94
86
82

Low Clouds (% Sky Obscured)

60
64
49
44
35
26
0
0
0
0
28
37
82
99
100
100
100
100
97
99
92
88
80
74

Medium Clouds (% Sky Obscured)

0
28
55
60
60
72
63
62
89
100
100
100
99
100
100
100
100
100
100
93
83
57
26
5

High Clouds (% Sky Obscured)

59
7
3
10
38
62
44
100
100
100
100
55
88
79
100
100
45
45
50
45
45
40
0
40

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
6
8
8
7
6
9
8
2
2
2
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
8
40
81
88
91
93
87
74
74
63
65
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.6
0.6
0.6
0.5
0.3
0.4
0.3
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-11
-9
-8
-9
-9
-8
-9
-12
-13
-13
-13
-13
-13
-13
-13
-12
-12
-12
-13
-13
-13
-13
-14

Dew Point (°C)

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

Relative Humidity (%)

90
87
84
80
80
80
87
89
88
87
88
88
88
90
88
88
88
88
90
92
92
90
92
92

Pressure (mb)

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

Ozone (du)

322
323
323
322
321
322
323
326
332
337
338
337
337
334
335
340
341
343
346
347
350
353
353
353

Sunday 7

Waning Gibbous 84%

19:21

10:18

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

Sun - Rise: 07:17, Set: 16:22, Transit: 11:49. Moon - Rise: 19:21, Set: 10:18. Civil Dark: 16:54 - 06:45. Nautical Dark: 17:30 - 06:09. Astro Dark: 18:04 - 05:35

Total Clouds (% Sky Obscured)

85
88
94
95
97
98
99
99
87
57
34
11
8
8
7
26
31
41
38
40
19
67
74
77

Low Clouds (% Sky Obscured)

61
46
34
23
11
0
0
9
2
1
1
2
3
4
4
18
17
18
17
19
6
13
19
21

Medium Clouds (% Sky Obscured)

32
59
86
57
27
0
32
63
85
53
26
1
1
2
2
11
20
30
25
17
10
43
52
70

High Clouds (% Sky Obscured)

45
1
1
15
26
44
44
45
40
24
19
10
5
4
1
1
1
2
2
2
0
0
0
8

ISS Passover

Visibility (miles)

0
0
2
7
3
4
6
9
9
9
9
9
9
9
9
7
7
7
7
6
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 (%)

48
33
18
3
14
5
1
0
1
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)

11
12
13
13
13
13
12
11
11
10
9
8
6
6
6
6
5
5
5
4
3
2
2
2

Chance of Frost

Temperature (°C)

-9
-9
-8
-8
-8
-9
-9
-10
-11
-12
-12
-13
-14
-16
-16
-17
-18
-19
-19
-21
-21
-21
-21
-20

Feels Like (°C)

-14
-14
-15
-14
-15
-15
-15
-16
-16
-16
-17
-17
-18
-19
-20
-20
-21
-22
-23
-24
-24
-24
-25
-23

Dew Point (°C)

-10
-10
-10
-10
-10
-11
-11
-12
-13
-14
-15
-16
-17
-18
-19
-19
-20
-21
-22
-23
-24
-24
-24
-22

Relative Humidity (%)

92
92
88
85
87
85
85
83
81
80
81
81
82
82
82
81
79
80
79
76
76
76
77
80

Pressure (mb)

1021
1022
1022
1022
1023
1023
1024
1025
1026
1028
1028
1029
1030
1031
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033

Ozone (du)

363
373
375
371
367
363
359
364
359
357
355
358
356
350
348
347
346
345
345
345
346
342
335
335

Monday 8

Waning Gibbous 75%

20:39

10:55

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:18, Set: 16:22, Transit: 11:50. Moon - Rise: 20:39, Set: 10:55. Civil Dark: 16:54 - 06:46. Nautical Dark: 17:30 - 06:10. Astro Dark: 18:04 - 05:35

Total Clouds (% Sky Obscured)

66
59
51
56
61
69
68
69
71
78
81
98
99
99
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

66
59
51
56
61
69
68
69
71
71
29
35
47
99
100
96
95
91
92
87
89
78
63
53

Medium Clouds (% Sky Obscured)

66
59
51
56
61
69
68
69
71
50
13
73
99
99
100
93
86
79
76
77
75
79
79
73

High Clouds (% Sky Obscured)

5
5
5
5
3
0
2
4
5
4
6
35
60
70
70
15
21
11
28
48
68
78
78
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
9
9
9
9
9
9
9
7
5
7
8
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
Snow
Snow
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
5
18
1
0
0
0
0
0
6
31
54
60
65
51
35
8
6
4
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-18
-16
-14
-13
-12
-11
-11
-12
-12
-13
-13
-13
-12
-11
-10
-10
-9
-8
-8
-8
-8
-8
-8
-8

Feels Like (°C)

-22
-21
-19
-18
-17
-17
-16
-17
-18
-19
-18
-18
-19
-18
-17
-15
-14
-14
-13
-13
-14
-14
-14
-13

Dew Point (°C)

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

Relative Humidity (%)

77
75
73
71
72
73
78
85
83
83
83
84
84
85
86
88
87
87
87
85
87
88
88
90

Pressure (mb)

1032
1032
1031
1030
1029
1028
1027
1026
1026
1026
1025
1024
1023
1021
1020
1019
1015
1014
1012
1012
1011
1011
1010
1010

Ozone (du)

342
342
345
349
349
346
345
348
347
350
357
366
373
386
398
408
406
404
402
396
391
385
381
377

Tuesday 9

Waning Gibbous 64%

21:53

11:24

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:19, Set: 16:22, Transit: 11:50. Moon - Rise: 21:53, Set: 11:24. Civil Dark: 16:54 - 06:46. Nautical Dark: 17:30 - 06:11. Astro Dark: 18:05 - 05:36

Total Clouds (% Sky Obscured)

98
98
97
97
97
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
79
85
82
78
78
89
94
95
97
98
100
99
97
96
96
97
98
97
97
96
96
97
98

Medium Clouds (% Sky Obscured)

76
86
69
74
83
94
96
99
100
100
100
100
99
97
94
95
97
98
99
99
100
100
99
99

High Clouds (% Sky Obscured)

73
66
69
66
61
55
73
85
100
100
100
100
82
63
48
65
83
100
100
100
100
99
97
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
4
2
1
1
0
0
0
0
0
0
0
0
0
0
2
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

2
2
0
3
4
3
12
17
17
47
64
78
87
94
95
94
86
76
71
66
59
57
51
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0.3
0.5
0.5
0.6
0.7
0.6
0.5
0.4
0.3
0.3
0.3
0.3
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-13
-13
-13
-7
-8
-8
-8
-8
-7
-6
-6
-6
-5
-5
-5
-4
-4
-3
-3
-3
-3
-6
-7

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
91
92
92
94
94
96
96
98
98
98
98
98
98
98
98
98
96
96
94
94
94

Pressure (mb)

1010
1009
1009
1008
1007
1007
1006
1006
1005
1005
1004
1003
1002
1001
1000
998
998
998
997
997
998
998
999
1000

Ozone (du)

372
370
368
366
363
360
357
356
354
353
352
350
349
349
348
348
351
354
358
357
357
357
354
350

Wednesday 10

Waning Gibbous 54%

23:02

11:47

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
04 Bad
05 Bad

Sun - Rise: 07:19, Set: 16:22, Transit: 11:50. Moon - Rise: 23:02, Set: 11:47. Civil Dark: 16:54 - 06:47. Nautical Dark: 17:30 - 06:11. Astro Dark: 18:05 - 05:37

Total Clouds (% Sky Obscured)

98
97
97
98
99
99
94
90
86
87
85
84
87
93
95
80
63
47
46
45
44

Low Clouds (% Sky Obscured)

92
88
84
85
86
86
83
80
76
78
79
80
79
79
78
68
55
44
43
44
43

Medium Clouds (% Sky Obscured)

94
90
85
81
77
62
51
44
37
47
53
55
53
51
53
46
37
27
23
19
15

High Clouds (% Sky Obscured)

93
88
85
85
85
85
50
25
1
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
7
8
9
9
9
9
9
9
9
7
5
3
3
3
3
3
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

Precipitation Type

Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
43
41
37
32
29
26
23
18
20
22
22
22
20
17
13
9
0
0
0
0

Precipitation Amount (mm)

0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-9
-10
-10
-10
-9
-10
-9
-8
-8
-12
-11
-11
-11
-11
-11
-16
-16
-17
-17
-18

Dew Point (°C)

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

Relative Humidity (%)

92
90
92
90
89
91
89
90
90
90
92
90
90
88
88
86
86
88
86
86
84

Pressure (mb)

1000
1001
1002
1002
1003
1004
1005
1006
1007
1008
1009
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013

Ozone (du)

347
344
342
339
339
340
340
335
330
325
323
322
321
322
323
325
321
317
313
308
303

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

Generated: 04/12/25 09:08:14. Forecast: 04/12/25 to 10/12/25. Timezone: UTC-6.00