Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 5%

05:10

18:58

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

Sun - Rise: 07:33, Set: 19:50, Transit: 13:40. Moon - Rise: 05:10, Set: 18:58. Civil Dark: 20:17 - 07:06. Nautical Dark: 20:49 - 06:34. Astro Dark: 21:21 - 06:01

Total Clouds (% Sky Obscured)

2
1
4
4
2
4
6
12
10
6
3
4
5
11
24
86
48
79
75
91
100
100
100
100

Low Clouds (% Sky Obscured)

0
1
0
4
0
3
6
12
10
6
3
3
5
11
24
22
40
19
7
28
34
34
32
25

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
25
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
1
4
4
2
4
3
2
2
4
0
4
0
4
2
30
11
79
75
91
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)

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

Chance of Frost

Temperature (°C)

28
25
23
21
20
20
19
19
18
18
18
17
17
16
19
23
25
28
29
30
31
31
30
30

Feels Like (°C)

30
26
23
22
22
21
20
20
19
19
18
17
17
16
20
23
26
28
28
29
29
29
28
28

Dew Point (°C)

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

Relative Humidity (%)

28
36
44
49
52
54
56
57
56
55
57
56
57
57
48
40
35
31
27
25
24
23
23
25

Pressure (mb)

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

Ozone (du)

287
288
289
289
290
291
290
290
288
287
287
287
289
289
289
288
288
288
288
287
287
288
289
291

Friday 19

Waning Crescent 1%

06:16

18:58

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:34, Set: 19:48, Transit: 13:40. Moon - Rise: 06:16, Set: 18:58. Civil Dark: 20:15 - 07:07. Nautical Dark: 20:47 - 06:35. Astro Dark: 21:20 - 06:02

Total Clouds (% Sky Obscured)

100
100
100
100
98
98
100
100
100
100
100
100
100
100
100
96
96
50
95
54
98
100
100
100

Low Clouds (% Sky Obscured)

0
14
7
24
21
0
0
0
0
0
0
0
0
0
0
0
0
35
46
54
63
45
37
5

Medium Clouds (% Sky Obscured)

99
37
75
83
92
79
5
48
82
99
71
97
82
66
47
40
33
33
0
0
3
52
40
41

High Clouds (% Sky Obscured)

100
100
100
100
80
97
100
100
100
100
100
100
100
100
70
67
43
2
31
0
46
33
38
76

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
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
0
0
1
10
13
10
15
17
9
12
7
5
21
2
42
16
28
33
46
18

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

26
23
21
20
20
19
19
18
18
18
18
17
17
17
19
21
24
26
26
26
26
25
25
25

Dew Point (°C)

10
10
10
9
9
9
9
10
10
10
10
9
10
10
9
9
7
7
6
3
3
3
7
12

Relative Humidity (%)

32
39
42
43
46
47
49
53
55
58
55
56
58
58
49
43
33
29
26
22
21
21
28
44

Pressure (mb)

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

Ozone (du)

291
292
294
296
298
298
298
295
293
292
293
295
295
296
300
300
300
298
296
295
292
289
285
282

Saturday 20

Waning Crescent 0%

07:19

19:19

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:35, Set: 19:46, Transit: 13:40. Moon - Rise: 07:19, Set: 19:19. Civil Dark: 20:13 - 07:08. Nautical Dark: 20:45 - 06:36. Astro Dark: 21:18 - 06:03

Total Clouds (% Sky Obscured)

38
80
79
74
82
98
100
100
99
86
99
100
86
89
96
95
99
100
100
96
96
100
100
100

Low Clouds (% Sky Obscured)

0
22
20
5
24
23
16
19
16
30
29
35
39
45
47
60
52
47
45
46
56
62
56
52

Medium Clouds (% Sky Obscured)

38
65
67
46
54
59
29
35
57
62
74
74
74
73
77
80
51
52
41
28
28
23
43
59

High Clouds (% Sky Obscured)

38
5
32
59
39
88
98
97
96
43
97
100
62
56
80
59
90
100
100
82
77
98
83
100

ISS Passover

Visibility (miles)

9
9
9
9
6
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

33
24
10
3
15
0
0
0
0
0
0
4
2
1
3
44
62
95
70
52
64
79
71
61

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.8
0.2
0
0.2
0.4
0.3
0

Wind Speed/Direction (mph)

4
4
4
4
3
3
3
4
5
5
5
5
5
5
7
9
9
9
10
10
11
11
9
5

Chance of Frost

Temperature (°C)

25
23
22
21
20
19
19
19
19
19
19
19
19
19
20
22
24
25
26
27
27
27
26
25

Feels Like (°C)

25
23
23
21
21
21
19
18
18
18
19
18
18
19
19
21
23
25
24
25
26
25
25
26

Dew Point (°C)

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

Relative Humidity (%)

41
47
54
59
62
66
68
70
71
73
72
68
71
72
66
56
51
44
42
34
31
31
40
47

Pressure (mb)

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

Ozone (du)

281
280
281
283
283
282
281
279
278
278
279
281
281
281
282
282
281
280
280
280
280
279
279
279

Sunday 21

New Moon 1%

08:22

19:39

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:36, Set: 19:45, Transit: 13:39. Moon - Rise: 08:22, Set: 19:39. Civil Dark: 20:12 - 07:09. Nautical Dark: 20:44 - 06:37. Astro Dark: 21:16 - 06:04

Total Clouds (% Sky Obscured)

100
100
99
99
100
100
100
100
99
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
42
38
33
47
60
74
76
78
79
79
79
79
80
77
64
50
72
61
43
46
47
44
38

Medium Clouds (% Sky Obscured)

78
85
91
97
94
92
89
93
96
100
97
96
96
97
46
81
98
97
92
78
69
19
32
7

High Clouds (% Sky Obscured)

100
96
95
94
96
98
100
32
30
68
100
100
100
100
100
97
100
100
90
100
100
100
100
100

ISS Passover

Visibility (miles)

9
5
9
9
3
9
9
9
9
9
9
9
7
5
4
5
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

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

Precipitation Probability (%)

73
90
81
95
95
77
82
95
95
95
95
95
95
95
95
71
65
67
75
67
58
46
45
39

Precipitation Amount (mm)

0.5
0.6
0
1.9
0.6
0.4
0.5
0.7
1
1.2
1.1
0.7
0.6
0.8
0.9
0.4
0.4
0.3
0.4
0.4
0.3
0
0
0

Wind Speed/Direction (mph)

5
8
8
8
4
6
7
8
8
9
10
7
6
5
6
9
10
11
11
11
11
11
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
21
21
21
22
21
21
21
21
20
20
21
21
21
21
20
21
20
20
21
21
23
22
22

Dew Point (°C)

12
16
18
20
20
20
20
19
19
18
18
19
19
19
20
19
18
17
16
14
13
13
13
13

Relative Humidity (%)

47
69
83
92
96
96
95
91
92
89
89
93
93
96
96
89
81
73
66
56
51
50
47
51

Pressure (mb)

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

Ozone (du)

278
277
276
276
276
277
277
276
276
276
276
277
277
277
277
278
279
279
279
280
282
284
285
284

Monday 22

Waxing Crescent 4%

09:23

19:59

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:37, Set: 19:43, Transit: 13:39. Moon - Rise: 09:23, Set: 19:59. Civil Dark: 20:10 - 07:10. Nautical Dark: 20:42 - 06:38. Astro Dark: 21:14 - 06:06

Total Clouds (% Sky Obscured)

72
94
93
97
98
89
92
92
95
97
99
96
100
97
95
93
96
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
49
61
73
76
79
82
81
77
80
87
93
100
90
80
70
64
59
53
43
33
23
17
11

Medium Clouds (% Sky Obscured)

0
1
4
0
0
0
0
0
0
0
0
0
0
0
0
0
7
12
19
14
8
4
6
12

High Clouds (% Sky Obscured)

68
93
88
65
60
61
58
72
86
96
99
96
100
92
84
76
85
92
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
2
9
9
8
9
7
4
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

50
71
46
47
58
46
56
50
16
1
1
1
0
1
1
0
1
1
1
24
36
45
61
73

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
7
6
5
7
6
4
3
4
3
4
3
3
3
3
2
2
2
2
3
4
5
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
20
21
19
19
21
21
20
21
20
19
20
19
20
20
20
21
22
22
30
29
28
28

Dew Point (°C)

13
16
18
18
18
18
18
18
18
18
18
17
17
17
18
18
18
18
18
18
19
19
20
20

Relative Humidity (%)

51
73
88
91
91
92
96
96
96
96
96
96
96
96
91
86
80
73
68
62
65
69
73
79

Pressure (mb)

1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1013
1013
1013
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

287
285
284
285
287
287
286
285
285
283
282
282
282
283
282
281
281
280
280
279
278
277
276
275

Tuesday 23

Waxing Crescent 8%

10:26

20:20

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:38, Set: 19:41, Transit: 13:39. Moon - Rise: 10:26, Set: 20:20. Civil Dark: 20:08 - 07:11. Nautical Dark: 20:40 - 06:39. Astro Dark: 21:12 - 06:07

Total Clouds (% Sky Obscured)

100
93
86
79
63
47
31
32
36
45
51
51
51
67
88
96
98
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
14
23
32
28
25
22
25
27
30
36
35
35
36
38
43
45
50
67
69
68
70
62
49

Medium Clouds (% Sky Obscured)

15
20
20
20
18
30
31
32
36
32
30
30
28
49
70
90
71
49
29
20
11
11
8
5

High Clouds (% Sky Obscured)

100
86
74
74
63
46
9
8
6
7
13
17
30
46
57
73
84
92
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

83
75
64
40
43
42
28
38
41
39
71
91
95
95
88
65
57
47
38
47
52
55
52
50

Precipitation Amount (mm)

0.6
0.4
0.3
0
0
0
0
0
0
0
0.3
0.6
0.9
0.8
0.6
0.4
0.2
0
0
0
0.2
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

28
27
21
21
21
21
21
20
20
20
20
20
20
20
21
21
22
22
23
23
27
27
27
26

Dew Point (°C)

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

Relative Humidity (%)

84
91
91
92
93
93
95
93
95
95
95
96
96
98
98
98
96
94
89
85
88
91
95
95

Pressure (mb)

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

Ozone (du)

275
275
275
275
276
274
273
271
270
269
268
268
268
268
269
270
270
270
270
269
270
270
270
270

Wednesday 24

Waxing Crescent 15%

11:28

20:43

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

Sun - Rise: 07:39, Set: 19:40, Transit: 13:38. Moon - Rise: 11:28, Set: 20:43. Civil Dark: 20:07 - 07:12. Nautical Dark: 20:38 - 06:40. Astro Dark: 21:11 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
69
54

Low Clouds (% Sky Obscured)

35
37
48
61
53
43
48
48
48
48
66
77
90
91
91
92
73
54
36

Medium Clouds (% Sky Obscured)

2
12
21
30
37
43
53
70
68
69
65
54
43
30
26
19
10
11
7

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
95
60
48
46
57
57
62
54

ISS Passover

Visibility (miles)

9
9
9
8
8
5
3
1
4
7
9
9
9
8
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

Precipitation Type

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

Precipitation Probability (%)

49
51
52
54
52
51
48
40
43
51
55
59
61
58
50
35
30
25
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
7
8
8
8
8
8
8
8
8
9
10
11
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
98
96
96
96
96
98
96
98
96
96
95
95
93
93
91
74
59

Pressure (mb)

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

Ozone (du)

270
271
271
272
273
275
277
279
279
279
279
280
281
283
284
285
286
286
286

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

Generated: 18/09/25 19:01:44. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-4.00