Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 6%

04:10

18:39

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

Sun - Rise: 07:13, Set: 19:37, Transit: 13:24. Moon - Rise: 04:10, Set: 18:39. Civil Dark: 20:10 - 06:41. Nautical Dark: 20:49 - 06:02. Astro Dark: 21:30 - 05:21

Total Clouds (% Sky Obscured)

24
25
26
14
1
29
23
32
30
38
45
83
65
65
13
6
77
67
17
23
100
30
20
14

Low Clouds (% Sky Obscured)

24
25
26
14
0
29
23
32
30
38
45
48
48
43
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
2
0
0
1
3
5
2
0
1
2
50
32
37
12
5
67
50
17
23
100
30
20
14

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)

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

Chance of Frost

Temperature (°C)

23
21
19
18
17
16
16
16
15
15
14
13
13
12
13
16
19
22
23
25
26
27
27
27

Feels Like (°C)

24
23
21
20
19
17
17
17
16
16
15
14
14
13
13
17
20
22
24
24
24
25
26
26

Dew Point (°C)

15
15
14
14
13
12
11
11
11
11
11
10
10
9
10
10
11
11
10
10
10
10
11
12

Relative Humidity (%)

57
68
75
77
74
74
74
75
78
78
79
80
81
81
80
69
59
51
44
39
35
34
35
38

Pressure (mb)

1022
1022
1023
1023
1024
1024
1024
1024
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1021
1021

Ozone (du)

255
254
253
253
251
249
249
249
249
249
249
250
250
251
252
252
252
252
251
251
251
251
252
251

Friday 19

Waning Crescent 2%

05:27

18:54

18 Good
19 Good
20 Good
21 Good
22 OK
23 OK
00 OK
01 Good
02 OK
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

Sun - Rise: 07:15, Set: 19:35, Transit: 13:24. Moon - Rise: 05:27, Set: 18:54. Civil Dark: 20:08 - 06:42. Nautical Dark: 20:46 - 06:03. Astro Dark: 21:27 - 05:23

Total Clouds (% Sky Obscured)

1
2
3
13
27
25
44
11
46
88
94
100
100
96
87
77
93
92
50
100
80
100
66
79

Low Clouds (% Sky Obscured)

0
0
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
0
0
0
0
0
0
9
0
31
33
25
40
73
21
23
14
15
16
18
11
12
16

High Clouds (% Sky Obscured)

1
2
2
13
27
25
44
11
34
86
92
100
100
94
57
55
91
78
25
100
68
100
34
41

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
1
2
11

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
6
5
5
6
5
5
5
5
5
6
6
6
6
5
6
8
9
10
10
10
10
9
9

Chance of Frost

Temperature (°C)

26
23
20
18
17
16
16
16
15
15
15
15
15
15
16
18
21
23
25
27
27
28
28
27

Feels Like (°C)

25
24
21
19
17
16
15
14
15
14
13
14
13
13
15
17
20
22
23
26
25
27
26
26

Dew Point (°C)

13
13
12
11
11
11
11
10
10
10
9
10
10
10
11
12
13
13
13
13
11
11
13
15

Relative Humidity (%)

45
54
59
63
65
68
69
69
70
70
69
70
70
70
72
65
58
52
47
41
37
35
39
45

Pressure (mb)

1020
1020
1020
1021
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1016
1016
1015
1015
1014
1013
1012
1012

Ozone (du)

250
250
249
249
248
248
248
248
248
248
249
250
251
251
251
251
250
249
248
248
248
249
250
251

Saturday 20

Waning Crescent 0%

06:42

19:06

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:16, Set: 19:33, Transit: 13:23. Moon - Rise: 06:42, Set: 19:06. Civil Dark: 20:05 - 06:44. Nautical Dark: 20:44 - 06:05. Astro Dark: 21:24 - 05:25

Total Clouds (% Sky Obscured)

70
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
5
14
24
15
43
60
83
76
83
82
91
73
80
35
41
46
46
41
42
32

Medium Clouds (% Sky Obscured)

21
24
80
100
100
92
56
100
100
94
100
100
100
100
100
100
99
100
100
95
96
95
96
98

High Clouds (% Sky Obscured)

37
100
35
100
100
100
99
96
100
100
100
100
100
100
100
100
82
86
97
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

24
3
52
89
66
32
33
26
95
95
95
95
95
95
95
95
72
55
48
28
54
78
90
81

Precipitation Amount (mm)

0
0
0.3
1.1
0.4
0
0
0
0.9
1.1
0.8
1.1
2.2
2.1
1.3
0.8
0.3
0
0
0
0
0.3
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
24
22
21
20
20
20
20
20
20
19
19
19
18
16
16
16
16
17
17
17
16
16
15

Feels Like (°C)

26
26
22
22
21
21
21
21
20
20
21
20
20
18
15
16
16
16
17
16
16
16
15
15

Dew Point (°C)

16
17
16
17
19
19
19
19
19
19
19
19
19
18
15
15
15
16
15
14
14
13
13
14

Relative Humidity (%)

52
63
68
75
92
92
92
95
93
95
98
98
98
96
95
95
95
95
92
83
83
83
83
89

Pressure (mb)

1012
1012
1012
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

252
252
253
254
254
256
256
256
257
258
259
258
259
259
260
260
261
261
261
262
263
264
264
264

Sunday 21

New Moon 1%

07:54

19:17

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:18, Set: 19:30, Transit: 13:23. Moon - Rise: 07:54, Set: 19:17. Civil Dark: 20:03 - 06:45. Nautical Dark: 20:42 - 06:07. Astro Dark: 21:22 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
100
100
97
100
100
92
84
77
86

Low Clouds (% Sky Obscured)

23
14
26
40
58
60
62
66
58
52
46
51
57
63
67
72
77
70
64
58
59
60
62
44

Medium Clouds (% Sky Obscured)

99
100
100
100
100
85
58
0
0
0
0
0
0
0
0
4
3
2
0
0
7
13
20
13

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
100
100
97
100
100
67
33
0
33

ISS Passover

Visibility (miles)

6
3
8
8
3
7
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
93
85
37
15
7
10
6
1
2
1
0
0
0
5
20
16
6
1
1
2
3

Precipitation Amount (mm)

1
0.7
1
0.5
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
13
13
12
12
12
12
12
12
11
11
11
10
10
11
12
13
14
15
15
15
16
16

Feels Like (°C)

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

Dew Point (°C)

13
13
12
12
12
11
12
12
11
11
10
10
9
9
9
9
8
8
7
6
6
7
6
5

Relative Humidity (%)

92
95
95
96
96
95
96
96
93
93
95
93
91
91
93
85
77
69
60
55
55
57
51
48

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1019
1019
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

264
265
265
266
266
268
270
271
272
274
275
276
277
279
282
284
284
286
287
288
288
288
288
289

Monday 22

Waxing Crescent 3%

09:05

19:28

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:20, Set: 19:28, Transit: 13:23. Moon - Rise: 09:05, Set: 19:28. Civil Dark: 20:01 - 06:47. Nautical Dark: 20:39 - 06:08. Astro Dark: 21:19 - 05:29

Total Clouds (% Sky Obscured)

93
100
100
95
97
95
92
86
82
80
70
55
50
55
48
60
68
79
88
100
100
99
99
99

Low Clouds (% Sky Obscured)

24
10
12
8
9
6
4
2
1
3
4
11
17
24
9
18
26
31
38
43
44
37
32
25

Medium Clouds (% Sky Obscured)

6
0
10
23
35
34
43
38
38
45
45
45
40
25
26
48
47
35
26
27
19
14
10
5

High Clouds (% Sky Obscured)

67
100
100
95
97
67
33
0
0
0
0
0
0
0
48
60
68
79
88
100
100
99
99
71

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
1
0
6
7
4
9
10
4
11
16
11
64
88
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.8
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
14
13
12
11
11
10
9
8
8
8
7
7
7
7
9
11
13
14
15
16
16
16
16

Feels Like (°C)

12
11
11
10
10
10
9
8
8
8
8
8
8
8
8
9
9
9
10
11
11
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

54
57
60
60
63
64
66
67
70
73
74
75
78
79
78
68
58
50
47
43
41
43
43
46

Pressure (mb)

1020
1020
1020
1021
1021
1021
1021
1022
1021
1021
1021
1021
1021
1022
1022
1021
1021
1021
1020
1020
1019
1019
1019
1019

Ozone (du)

289
289
288
291
293
292
291
290
290
290
290
290
291
294
294
293
293
292
291
291
290
290
290
291

Tuesday 23

Waxing Crescent 7%

10:17

19:40

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
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

Sun - Rise: 07:21, Set: 19:26, Transit: 13:22. Moon - Rise: 10:17, Set: 19:40. Civil Dark: 19:58 - 06:49. Nautical Dark: 20:37 - 06:10. Astro Dark: 21:17 - 05:30

Total Clouds (% Sky Obscured)

100
100
91
84
77
66
53
40
50
63
64
64
67
67
76
85
94
90
87
81
87
94
100
100

Low Clouds (% Sky Obscured)

26
27
26
35
40
40
50
40
50
37
22
22
22
22
26
25
34
34
34
39
36
33
27
29

Medium Clouds (% Sky Obscured)

10
20
24
18
17
18
14
10
5
5
5
5
5
5
9
13
17
31
33
35
35
35
30
25

High Clouds (% Sky Obscured)

43
14
11
8
9
39
53
40
50
42
34
28
28
24
45
60
79
74
68
74
87
94
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

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

Precipitation Probability (%)

95
95
95
84
49
40
29
11
12
10
6
11
13
14
28
33
36
34
32
24
32
30
13
21

Precipitation Amount (mm)

1.3
1.5
1.1
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
13
12
11
10
10
9
10
9
9
8
8
8
8
8
10
12
14
15
15
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

5
6
6
6
6
7
6
6
6
5
5
4
4
4
4
3
3
3
2
1
-0
1
2
3

Relative Humidity (%)

52
60
70
71
73
77
77
78
80
78
78
77
75
75
74
63
54
47
42
37
33
36
38
41

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019

Ozone (du)

291
291
291
291
291
291
291
290
290
290
290
290
291
292
292
292
292
292
292
292
292
292
292
293

Wednesday 24

Waxing Crescent 13%

11:29

19:53

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
12 Bad
13 Bad

Sun - Rise: 07:23, Set: 19:24, Transit: 13:22. Moon - Rise: 11:29, Set: 19:53. Civil Dark: 19:56 - 06:50. Nautical Dark: 20:35 - 06:12. Astro Dark: 21:14 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
88
81
78
77
77

Low Clouds (% Sky Obscured)

32
35
28
29
21
23
25
31
37
48
51
51
46
42
42
40
37
40
40
43

Medium Clouds (% Sky Obscured)

25
20
16
16
13
20
28
38
40
43
45
35
25
25
21
17
8
8
8
20

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
77
65
57
49
38

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
5
12
16
9
15
17
13
13
12
11
14
12
4
11
12
7
18
25
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
11
11
10
10
9
9
8
8
8
8
8
8
8
10
11
13
14
15

Feels Like (°C)

13
12
13
7
8
8
8
7
8
6
6
7
7
6
6
6
6
7
8
8

Dew Point (°C)

3
3
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
4
4
3

Relative Humidity (%)

47
52
58
60
65
67
69
70
73
74
75
77
78
81
81
72
63
54
49
43

Pressure (mb)

1020
1020
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025
1025

Ozone (du)

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

Forecast for Bad Honnef, Cologne District, Germany (50.64,7.23)

Generated: 18/09/25 18:12:57. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00