Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 10%

No Rise

17:44

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

Sun - Rise: 06:35, Set: 18:54, Transit: 12:45. Moon - Rise: No Rise, Set: 17:44. Civil Dark: 19:23 - 06:07. Nautical Dark: 19:56 - 05:34. Astro Dark: 20:30 - 04:59

Total Clouds (% Sky Obscured)

9
19
21
43
30
37
39
30
50
46
25
29
25
35
49
34
57
46
47
32
32
26
45
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
1
0
12
4
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
19
18
0
3
1
4
1
18
24
5
2
9
21
19
38
82

High Clouds (% Sky Obscured)

9
19
15
15
28
37
39
26
31
25
25
29
25
35
49
27
57
46
47
32
1
1
6
19

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
2
31
36
21
9
5
3
2
1

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

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
21
23
25
27
27
27
25
24
23
22
20
19
19
19
19
19
19
19
19

Feels Like (°C)

18
18
18
17
18
23
24
26
28
27
25
24
24
23
22
20
20
19
19
19
19
20
21
21

Dew Point (°C)

8
8
8
8
9
11
11
13
13
13
14
15
15
16
17
18
18
18
18
18
17
17
18
18

Relative Humidity (%)

53
54
56
57
59
52
47
45
42
42
46
51
55
61
73
88
92
93
93
92
92
92
92
93

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

283
284
285
285
285
285
284
284
285
285
284
285
286
286
285
285
284
285
285
285
284
281
280
280

Friday 19

Waning Crescent 5%

04:09

18:06

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 Good
14 OK
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: 06:36, Set: 18:52, Transit: 12:44. Moon - Rise: 04:09, Set: 18:06. Civil Dark: 19:21 - 06:08. Nautical Dark: 19:54 - 05:35. Astro Dark: 20:28 - 05:01

Total Clouds (% Sky Obscured)

56
68
69
57
51
55
68
58
28
11
25
70
100
100
100
100
100
100
100
98
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
14
0
0
0
33
35
25
8
0
0
0
11
0
0
30
21
31
6
41
57
60
57

Medium Clouds (% Sky Obscured)

56
59
54
57
33
40
67
42
5
0
1
2
30
28
68
56
64
96
100
82
65
85
100
94

High Clouds (% Sky Obscured)

20
16
1
2
2
1
1
3
4
5
21
30
100
100
100
100
100
100
100
98
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
3
9
9

Fog (%)

1
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
Very Light Rain
None
None
None
None
Light Rain
None
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

3
13
7
3
8
11
3
1
0
0
3
4
9
49
8
6
38
49
95
28
66
95
95
60

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
1.3
0
0.4
0.9
0.8
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
19
20
22
23
23
24
24
25
25
25
24
23
21
21
20
20
20
20
20
19
19

Feels Like (°C)

19
19
20
20
20
22
23
24
24
25
26
26
26
24
23
21
20
20
20
20
20
20
19
20

Dew Point (°C)

18
18
18
18
19
19
19
19
19
19
18
17
16
16
19
19
18
18
18
17
16
17
18
18

Relative Humidity (%)

95
96
98
96
92
85
79
74
73
70
66
61
58
62
81
87
86
88
85
79
77
84
91
91

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018

Ozone (du)

281
282
281
282
282
281
278
277
277
278
278
279
279
278
277
277
277
278
281
282
283
284
280
276

Saturday 20

Waning Crescent 1%

05:17

18:25

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: 06:38, Set: 18:51, Transit: 12:44. Moon - Rise: 05:17, Set: 18:25. Civil Dark: 19:19 - 06:09. Nautical Dark: 19:52 - 05:36. Astro Dark: 20:26 - 05:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
95
100
100
100
100
100
94
71
80
100
100
78
100
100
100
100

Low Clouds (% Sky Obscured)

70
76
54
48
40
55
47
63
79
71
60
60
48
54
51
55
38
27
15
5
0
0
0
0

Medium Clouds (% Sky Obscured)

100
99
100
74
74
35
62
18
4
2
21
71
79
52
33
21
49
72
47
39
77
71
84
73

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
61
25
100
100
100
100
100
72
37
41
100
100
78
100
100
100
100

ISS Passover

Visibility (miles)

9
9
2
2
9
9
9
9
9
9
5
5
1
9
9
9
9
9
9
9
9
9
9
6

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
Very Light Rain
Light Rain
Light Rain
Ice pellet
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

70
95
95
92
49
79
95
95
93
95
95
95
95
34
23
12
16
5
2
9
28
38
56
71

Precipitation Amount (mm)

0.2
1.6
2.2
1.1
0.3
0.9
1.3
0.7
0.3
0.4
0.8
1.3
1
0
0
0
0
0
0
0
0
0
0.2
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
19
19
20
21
21
22
22
23
24
23
22
21
21
20
19
19
19
19
19
19
18
18

Feels Like (°C)

20
21
20
20
19
21
22
21
22
24
23
24
23
21
21
21
21
21
20
19
20
19
19
19

Dew Point (°C)

19
19
19
19
19
19
19
18
17
16
17
19
20
19
19
18
18
17
17
17
17
17
17
18

Relative Humidity (%)

92
92
96
95
95
91
88
81
71
63
64
76
88
91
92
91
89
88
86
88
89
90
93
95

Pressure (mb)

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

Ozone (du)

278
280
280
281
283
285
287
289
293
286
280
277
277
275
275
275
275
274
274
274
273
273
273
273

Sunday 21

New Moon 0%

06:23

18:43

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: 06:39, Set: 18:49, Transit: 12:44. Moon - Rise: 06:23, Set: 18:43. Civil Dark: 19:17 - 06:10. Nautical Dark: 19:50 - 05:37. Astro Dark: 20:24 - 05:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

16
32
48
31
17
3
15
43
35
49
72
81
74
64
50
57
63
59
68
71
72
72
70
70

Medium Clouds (% Sky Obscured)

69
84
68
62
53
59
70
80
92
89
85
82
73
62
48
58
69
68
60
62
63
82
65
52

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
84
84
88
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
2
9
9
9
9
7
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
None
None
None
None
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

63
34
11
31
44
61
49
30
15
30
68
95
89
62
41
52
44
38
27
37
28
47
55
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
19
20
21
21
22
22
23
23
22
22
21
21
20
20
20
19
19
19
19
19
18

Feels Like (°C)

19
20
19
19
21
22
21
22
22
23
23
24
22
21
20
20
20
20
20
20
20
20
19
19

Dew Point (°C)

18
18
18
18
19
18
19
20
20
20
20
21
21
21
20
20
19
19
19
19
19
18
18
18

Relative Humidity (%)

96
96
95
95
93
86
85
88
84
84
84
91
96
96
94
95
96
96
96
96
98
96
98
98

Pressure (mb)

1014
1014
1014
1013
1013
1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

274
274
275
276
277
277
277
277
276
275
275
275
275
275
275
276
277
278
279
279
279
279
279
278

Monday 22

Waxing Crescent 1%

07:27

19:00

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 OK
01 OK
02 Bad
03 Bad

Sun - Rise: 06:40, Set: 18:47, Transit: 12:43. Moon - Rise: 07:27, Set: 19:00. Civil Dark: 19:15 - 06:12. Nautical Dark: 19:48 - 05:38. Astro Dark: 20:22 - 05:04

Total Clouds (% Sky Obscured)

100
100
100
96
92
88
78
69
60
66
70
74
61
49
40
42
45
43
33
16
12
9
7
4

Low Clouds (% Sky Obscured)

71
74
70
83
76
75
78
69
60
65
70
60
19
32
7
22
34
40
23
9
1
2
2
4

Medium Clouds (% Sky Obscured)

51
52
84
76
72
70
2
3
6
66
70
74
42
49
40
42
45
43
33
16
12
9
7
4

High Clouds (% Sky Obscured)

100
100
100
89
73
58
38
22
10
10
10
55
60
49
40
42
45
43
33
16
9
7
7
4

ISS Passover

Visibility (miles)

9
9
9
6
6
9
9
9
9
9
9
9
9
9
2
1
4
7
9
9
9
9
7
5

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

Precipitation Probability (%)

67
46
95
74
44
10
27
21
8
4
26
9
23
95
95
95
95
95
93
58
15
29
45
61

Precipitation Amount (mm)

0
0
0.8
0.3
0
0
0
0
0
0
0
0
0
1
4.1
2.5
1.8
1.3
0.6
0
0
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
18
19
20
21
22
23
24
25
25
24
24
22
21
20
19
18
18
18
17
17
17

Feels Like (°C)

19
18
19
19
19
20
21
22
23
25
25
25
26
26
24
21
21
21
20
20
20
19
18
18

Dew Point (°C)

18
18
18
18
19
19
19
20
20
20
19
19
20
19
20
20
19
18
17
17
17
17
17
16

Relative Humidity (%)

98
98
96
98
98
95
91
88
84
78
68
69
77
72
87
96
95
93
92
93
95
96
96
96

Pressure (mb)

1009
1009
1008
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010

Ozone (du)

278
279
281
280
280
280
279
279
277
278
278
279
280
280
278
276
277
279
281
282
283
283
283
283

Tuesday 23

Waxing Crescent 4%

08:31

19:19

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: 06:41, Set: 18:45, Transit: 12:43. Moon - Rise: 08:31, Set: 19:19. Civil Dark: 19:13 - 06:13. Nautical Dark: 19:47 - 05:40. Astro Dark: 20:20 - 05:06

Total Clouds (% Sky Obscured)

3
8
13
34
58
77
84
90
95
98
99
100
95
90
86
91
95
100
100
99
99
99
99
100

Low Clouds (% Sky Obscured)

3
3
3
2
1
0
17
34
53
63
70
72
61
50
39
36
32
28
38
51
64
64
63
64

Medium Clouds (% Sky Obscured)

3
8
13
34
49
49
47
45
25
19
18
12
17
20
23
26
31
40
49
54
58
43
32
15

High Clouds (% Sky Obscured)

3
4
0
14
28
42
46
47
49
67
83
100
89
78
66
78
89
100
92
85
79
86
93
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

77
88
95
95
95
95
95
95
84
59
38
28
25
23
23
28
20
1
7
10
14
54
83
95

Precipitation Amount (mm)

0.5
0.6
0.6
0.9
0.9
0.9
1
0.8
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
16
16
17
18
19
19
19
20
20
21
21
20
20
19
19
19
19
19
19
19
19
19

Feels Like (°C)

17
17
17
16
18
19
20
20
20
20
21
21
21
21
22
22
18
18
18
18
18
18
18
18

Dew Point (°C)

16
16
16
16
17
18
19
19
19
20
19
19
18
18
18
18
18
17
17
17
17
18
18
19

Relative Humidity (%)

98
100
98
98
100
100
98
98
98
98
93
88
82
86
89
93
92
91
89
89
89
91
92
95

Pressure (mb)

1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

282
283
284
284
286
287
289
288
288
287
287
287
287
286
285
283
283
283
283
283
282
282
282
281

Wednesday 24

Waxing Crescent 8%

09:36

19:40

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

Sun - Rise: 06:42, Set: 18:43, Transit: 12:43. Moon - Rise: 09:36, Set: 19:40. Civil Dark: 19:12 - 06:14. Nautical Dark: 19:45 - 05:41. Astro Dark: 20:18 - 05:07

Total Clouds (% Sky Obscured)

100
100
100
92
88
82
78
71
67
78
89
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
62
63
70
73
73
67
59
50
38
28
16
14
9
5
11
16
22
23
29
30

Medium Clouds (% Sky Obscured)

20
20
20
19
18
17
16
9
9
6
14
14
22
33
42
52
63
71
64
49
33

High Clouds (% Sky Obscured)

100
100
100
69
41
12
11
11
15
47
75
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
79
69
38
54
52
52
50
49
48
57
67
78
95
95
95
95
95
66

Precipitation Amount (mm)

1.3
1.4
1.4
0
0
0
0
0
0.3
0.3
0.2
0
0
0.2
0.3
2.3
4.2
6.1
0.7
0.4
0

Wind Speed/Direction (mph)

11
11
10
11
8
6
3
4
6
8
7
7
6
5
5
5
6
7
6
5
4

Chance of Frost

Temperature (°C)

19
19
19
19
20
21
22
22
22
23
22
22
22
21
21
20
19
19
19
19
19

Feels Like (°C)

19
18
18
18
19
20
20
20
21
21
24
23
23
23
23
23
20
19
19
19
19

Dew Point (°C)

19
19
19
19
19
20
20
20
21
21
20
20
20
20
20
19
19
19
18
18
18

Relative Humidity (%)

98
98
98
98
96
95
92
91
89
88
88
88
89
91
93
95
96
96
96
98
98

Pressure (mb)

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

Ozone (du)

281
282
283
284
285
286
286
287
287
287
288
288
289
289
289
289
287
285
284
283
283

Forecast for Milwaukee, Milwaukee, United States of America (43.04,-87.91)

Generated: 18/09/25 04:37:21. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-5.00