Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 10%

04:01

17:55

12 OK
13 OK
14 Bad
15 OK
16 Bad
17 OK
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
07 Good
08 Good
09 OK
10 OK
11 Good

Sun - Rise: 07:28, Set: 19:46, Transit: 13:37. Moon - Rise: 04:01, Set: 17:55. Civil Dark: 20:13 - 07:01. Nautical Dark: 20:44 - 06:30. Astro Dark: 21:16 - 05:59

Total Clouds (% Sky Obscured)

38
48
54
44
53
42
6
2
2
2
1
0
0
0
3
2
4
20
20
11
8
24
22
15

Low Clouds (% Sky Obscured)

6
11
10
0
9
5
0
0
0
0
0
0
0
0
0
2
4
21
17
0
0
0
0
0

Medium Clouds (% Sky Obscured)

40
51
60
60
56
44
5
0
0
0
0
0
0
0
4
2
0
3
22
15
11
0
0
0

High Clouds (% Sky Obscured)

4
2
3
3
2
3
3
3
3
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9

Fog (%)

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

Chance of Frost

Temperature (°C)

28
29
29
30
30
30
29
27
24
23
22
21
20
20
20
19
19
18
18
18
17
17
22
25

Feels Like (°C)

30
30
30
31
31
31
31
30
27
26
25
23
23
23
22
22
21
21
21
20
20
19
23
27

Dew Point (°C)

17
14
14
13
13
13
13
15
15
14
14
13
13
12
12
14
13
13
13
13
13
7
9
10

Relative Humidity (%)

50
41
38
36
35
35
37
47
56
57
58
59
60
60
60
71
71
71
72
72
74
51
44
38

Pressure (mb)

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

Ozone (du)

290
291
290
289
289
289
290
290
293
293
292
292
292
292
292
291
291
290
289
288
288
290
290
290

Friday 19

Waning Crescent 5%

05:09

18:25

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

Sun - Rise: 07:29, Set: 19:45, Transit: 13:36. Moon - Rise: 05:09, Set: 18:25. Civil Dark: 20:11 - 07:02. Nautical Dark: 20:42 - 06:31. Astro Dark: 21:14 - 06:00

Total Clouds (% Sky Obscured)

9
14
18
20
21
19
17
2
0
2
0
0
0
0
1
0
0
0
0
0
0
1
17
2

Low Clouds (% Sky Obscured)

0
14
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
18
20
21
19
17
2
0
0
0
0
0
0
1
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
0
1
17
2

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)

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

Chance of Frost

Temperature (°C)

28
30
31
31
31
31
30
28
25
23
21
21
20
19
18
18
17
17
16
16
16
19
24
27

Feels Like (°C)

29
31
32
32
32
32
32
30
26
24
22
21
21
21
20
19
20
19
18
18
18
21
26
28

Dew Point (°C)

11
11
10
10
9
9
9
13
12
10
10
10
10
10
10
10
10
9
9
9
9
8
11
11

Relative Humidity (%)

34
30
28
26
25
25
27
37
43
45
47
49
53
56
59
60
60
61
63
63
62
51
43
36

Pressure (mb)

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

Ozone (du)

289
289
288
288
288
288
289
290
289
290
290
290
290
291
291
292
292
292
291
290
290
290
290
291

Saturday 20

Waning Crescent 5%

06:13

18:51

12 Good
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
11 Bad

Sun - Rise: 07:30, Set: 19:43, Transit: 13:36. Moon - Rise: 06:13, Set: 18:51. Civil Dark: 20:10 - 07:03. Nautical Dark: 20:41 - 06:32. Astro Dark: 21:12 - 06:01

Total Clouds (% Sky Obscured)

5
45
51
46
69
100
100
94
100
100
100
100
100
100
100
100
100
94
100
100
100
87
63
100

Low Clouds (% Sky Obscured)

0
21
0
0
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
19
15
11
9
9
17
18
23
34
36
21
27
20
49
97
80
97
89
94
87
54
50

High Clouds (% Sky Obscured)

5
40
51
46
68
100
100
90
100
100
100
100
100
100
100
100
100
77
78
35
100
25
25
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
1

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

Chance of Frost

Temperature (°C)

29
31
32
32
32
32
31
29
26
24
23
22
22
21
20
19
19
18
18
18
18
20
24
27

Feels Like (°C)

31
32
31
30
30
31
30
27
25
24
22
21
20
20
19
19
18
18
18
17
17
19
22
26

Dew Point (°C)

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

Relative Humidity (%)

32
28
24
23
22
22
23
31
34
36
36
39
41
42
44
45
46
46
50
51
52
45
39
36

Pressure (mb)

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

Ozone (du)

291
292
292
292
292
294
296
297
296
295
294
294
295
294
293
291
291
292
294
295
298
299
300
300

Sunday 21

New Moon 1%

07:15

19:14

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

Sun - Rise: 07:31, Set: 19:42, Transit: 13:36. Moon - Rise: 07:15, Set: 19:14. Civil Dark: 20:08 - 07:04. Nautical Dark: 20:39 - 06:33. Astro Dark: 21:10 - 06:02

Total Clouds (% Sky Obscured)

100
100
45
90
42
36
47
25
20
15
1
56
100
96
77
55
35
49
46
55
72
61
71
90

Low Clouds (% Sky Obscured)

0
0
8
0
3
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
12
20
28
26

Medium Clouds (% Sky Obscured)

32
47
45
50
42
28
45
25
20
12
0
2
8
1
0
5
1
9
18
27
38
51
63
53

High Clouds (% Sky Obscured)

100
100
0
65
1
0
0
1
1
2
0
51
100
95
77
51
31
34
30
35
29
16
11
44

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
8
4
17
7
3
1
0
0
2
2
0
0
0
0
0
0
0
0
0
0
1
0
5

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

Chance of Frost

Temperature (°C)

29
30
31
31
31
31
30
28
25
24
22
21
20
20
19
19
18
18
17
17
17
21
24
27

Feels Like (°C)

28
29
30
32
31
32
30
28
26
24
24
23
20
19
18
17
17
16
16
17
17
20
24
27

Dew Point (°C)

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

Relative Humidity (%)

32
29
28
26
27
25
29
39
45
50
53
56
56
53
53
51
46
48
51
52
55
50
46
41

Pressure (mb)

1019
1018
1018
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1017
1017
1017
1017
1017

Ozone (du)

300
298
297
296
297
293
291
288
287
286
285
285
283
281
281
279
278
278
278
277
277
277
278
277

Monday 22

Waxing Crescent 0%

08:16

19:35

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
11 Bad

Sun - Rise: 07:31, Set: 19:40, Transit: 13:35. Moon - Rise: 08:16, Set: 19:35. Civil Dark: 20:06 - 07:05. Nautical Dark: 20:37 - 06:34. Astro Dark: 21:09 - 06:03

Total Clouds (% Sky Obscured)

91
83
92
83
96
74
94
100
82
57
40
64
79
100
83
78
68
80
89
100
100
100
100
82

Low Clouds (% Sky Obscured)

24
21
26
29
33
33
30
27
15
8
0
0
0
0
13
27
14
19
25
27
39
53
62
69

Medium Clouds (% Sky Obscured)

44
35
38
41
43
27
25
25
25
9
7
45
9
3
14
25
31
29
32
34
27
26
20
43

High Clouds (% Sky Obscured)

69
83
92
83
94
72
76
82
57
44
40
64
79
100
43
76
68
77
87
100
100
100
100
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

7
7
21
31
40
58
70
79
67
59
21
11
20
20
29
37
39
41
41
40
55
61
51
47

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
9
9
9
8
7
6
5
6
5
4
3
4
4
4
5
5
6
6
6
7
9
11
13

Chance of Frost

Temperature (°C)

29
30
31
31
30
28
27
26
24
22
21
21
21
21
21
21
21
20
20
20
21
22
25
26

Feels Like (°C)

28
29
31
29
28
26
27
25
23
22
23
22
22
22
22
22
22
21
20
20
20
21
23
24

Dew Point (°C)

13
12
11
10
8
7
7
9
12
17
18
17
17
17
17
17
17
17
17
17
16
16
14
13

Relative Humidity (%)

37
32
29
27
26
26
27
34
47
73
79
79
79
79
80
79
77
82
84
81
75
65
51
44

Pressure (mb)

1016
1016
1015
1015
1014
1014
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1014
1015
1015

Ozone (du)

276
276
275
275
275
276
275
276
275
276
276
275
275
275
276
275
275
275
276
276
277
278
277
277

Tuesday 23

Waxing Crescent 1%

09:16

19:56

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
11 Bad

Sun - Rise: 07:32, Set: 19:38, Transit: 13:35. Moon - Rise: 09:16, Set: 19:56. Civil Dark: 20:05 - 07:06. Nautical Dark: 20:36 - 06:35. Astro Dark: 21:07 - 06:04

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

73
76
67
59
50
47
44
42
44
47
49
59
66
67
62
54
49
49
54
58
68
74
83
78

Medium Clouds (% Sky Obscured)

63
74
76
62
39
43
81
85
75
66
60
56
52
48
42
36
28
36
41
50
57
69
81
69

High Clouds (% Sky Obscured)

98
98
90
63
45
57
62
97
95
96
97
99
99
99
99
98
93
94
97
100
80
63
60
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
8
6
4
2
4
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

43
42
36
30
19
29
46
95
95
95
95
95
95
95
95
94
90
80
69
51
51
43
21
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.9
1.1
1.4
1.5
1.4
1.2
0.9
0.8
0.6
0.5
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
28
28
29
29
29
28
27
22
22
21
21
20
20
20
20
19
19
19
19
19
20
21
23

Feels Like (°C)

26
26
26
27
27
28
28
26
21
21
20
21
20
20
20
21
21
21
21
21
21
20
20
21

Dew Point (°C)

12
12
12
11
11
11
10
11
19
20
19
19
19
19
19
19
19
19
18
18
18
18
18
18

Relative Humidity (%)

39
38
35
34
32
31
32
37
85
88
89
92
93
93
95
95
95
95
93
93
92
88
81
76

Pressure (mb)

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

Ozone (du)

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

Wednesday 24

Waxing Crescent 4%

10:17

20:18

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
11 Bad

Sun - Rise: 07:33, Set: 19:37, Transit: 13:35. Moon - Rise: 10:17, Set: 20:18. Civil Dark: 20:03 - 07:07. Nautical Dark: 20:34 - 06:36. Astro Dark: 21:05 - 06:05

Total Clouds (% Sky Obscured)

96
96
89
83
80
82
85
87
87
89
94
95
94
92
83
75
68
65
75
85
89
88
90
96

Low Clouds (% Sky Obscured)

73
67
67
64
47
41
40
41
37
32
32
39
49
49
41
43
42
42
46
52
41
33
25
22

Medium Clouds (% Sky Obscured)

54
38
50
63
75
58
42
25
38
50
63
73
84
92
83
75
68
65
75
85
89
88
70
76

High Clouds (% Sky Obscured)

75
68
65
63
58
52
52
67
71
78
81
90
82
73
52
31
10
15
21
27
26
26
26
50

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

28
25
24
21
17
36
47
57
58
61
66
80
91
95
89
79
69
72
76
78
72
64
51
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
0.3
0.3
0.7
1
1.2
0.8
0.5
0.3
0.4
0.4
0.4
0.4
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
26
28
28
28
28
26
25
23
22
21
19
19
19
19
19
19
19
19
19
19
20
21
22

Feels Like (°C)

21
21
21
31
30
28
29
29
29
22
22
22
22
22
21
20
20
20
21
20
20
21
22
23

Dew Point (°C)

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

Relative Humidity (%)

64
54
45
45
47
48
55
66
76
81
86
92
93
95
96
96
96
96
96
95
96
95
95
94

Pressure (mb)

1016
1016
1015
1015
1015
1014
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018

Ozone (du)

278
278
278
277
277
277
277
277
277
277
277
278
277
277
277
276
276
276
277
278
280
280
281
282

Forecast for Hamburg, Clark, United States of America (38.40,-85.78)

Generated: 18/09/25 09:51:23. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-4.00