Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

02:54

18:39

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

Sun - Rise: 07:13, Set: 19:38, Transit: 13:26. Moon - Rise: 02:54, Set: 18:39. Civil Dark: 20:11 - 06:41. Nautical Dark: 20:49 - 06:03. Astro Dark: 21:30 - 05:22

Total Clouds (% Sky Obscured)

16
13
10
21
15
22
23
27
27
52
49
59
59
50
45
32
40
36
0
4
1
0
20
33

Low Clouds (% Sky Obscured)

0
0
9
21
15
22
23
27
27
52
49
59
59
50
45
32
40
36
0
4
0
0
19
33

Medium Clouds (% Sky Obscured)

1
0
2
4
0
0
0
0
0
0
0
0
0
0
0
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
1
0
4
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)

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

Chance of Frost

Temperature (°C)

13
12
12
10
10
10
11
13
15
16
17
18
19
20
20
20
19
18
16
15
14
13
13
12

Feels Like (°C)

13
13
12
10
11
11
11
14
14
16
17
18
19
19
20
19
20
19
17
16
15
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
85
87
85
84
71
60
55
51
50
48
49
49
52
60
73
83
84
84
84
83
83

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1023
1023
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025

Ozone (du)

253
252
252
252
251
251
251
251
252
252
253
254
254
254
255
255
255
255
255
255
254
254
254
253

Friday 19

Waning Crescent 6%

04:13

18:55

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

Sun - Rise: 07:15, Set: 19:36, Transit: 13:26. Moon - Rise: 04:13, Set: 18:55. Civil Dark: 20:09 - 06:43. Nautical Dark: 20:47 - 06:04. Astro Dark: 21:27 - 05:24

Total Clouds (% Sky Obscured)

43
52
55
54
58
71
71
5
5
14
91
39
16
0
0
0
0
0
0
0
24
0
55
0

Low Clouds (% Sky Obscured)

43
48
55
54
58
60
57
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
0
0
0
0
0
0
0
0
0
0
0
0
12
0
0
0

High Clouds (% Sky Obscured)

2
16
1
1
2
30
34
5
5
14
88
39
16
0
0
0
0
0
0
0
1
0
42
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 (%)

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)

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

Chance of Frost

Temperature (°C)

12
12
11
11
11
11
11
13
17
19
21
22
23
23
23
23
22
20
17
16
16
16
15
15

Feels Like (°C)

13
13
11
12
12
11
11
12
16
18
20
21
22
23
23
24
24
21
19
18
17
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

81
83
83
83
81
80
77
71
60
53
45
40
38
39
40
43
54
68
76
78
79
78
77
76

Pressure (mb)

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

Ozone (du)

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

Saturday 20

Waning Crescent 2%

05:30

19:07

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

Sun - Rise: 07:16, Set: 19:34, Transit: 13:25. Moon - Rise: 05:30, Set: 19:07. Civil Dark: 20:06 - 06:44. Nautical Dark: 20:45 - 06:06. Astro Dark: 21:25 - 05:26

Total Clouds (% Sky Obscured)

5
0
7
10
18
38
61
53
87
93
75
48
100
98
98
37
13
45
58
82
92
100
93
88

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
20
39
62

Medium Clouds (% Sky Obscured)

2
0
1
10
18
21
2
11
36
27
29
24
20
16
21
15
5
45
22
82
29
62
46
18

High Clouds (% Sky Obscured)

5
0
7
9
11
32
50
37
53
75
64
13
100
93
94
8
13
44
46
58
71
100
80
82

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
1
2
1
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
3
4
1
1
0
0
0
0
2
4
4
14
21
24

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
14
15
17
19
21
22
23
23
24
24
23
22
21
20
20
20
19
19
18

Feels Like (°C)

16
16
16
14
14
15
15
18
20
21
22
21
23
22
22
22
23
22
21
21
20
20
19
20

Dew Point (°C)

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

Relative Humidity (%)

78
80
83
83
84
89
86
78
65
58
52
52
47
48
49
55
63
75
85
88
84
85
86
89

Pressure (mb)

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

Ozone (du)

252
252
253
253
253
254
253
252
253
252
251
250
250
249
248
248
248
247
247
248
248
250
251
251

Sunday 21

New Moon 0%

06:43

19:19

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

Sun - Rise: 07:18, Set: 19:32, Transit: 13:25. Moon - Rise: 06:43, Set: 19:19. Civil Dark: 20:04 - 06:46. Nautical Dark: 20:42 - 06:07. Astro Dark: 21:22 - 05:28

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

66
71
75
73
72
70
71
71
72
65
58
51
57
63
69
62
55
49
50
52
54
57
59
62

Medium Clouds (% Sky Obscured)

76
91
79
79
34
35
29
28
98
96
99
100
99
94
57
45
56
69
78
98
96
100
100
100

High Clouds (% Sky Obscured)

82
80
95
96
99
100
100
100
100
99
100
100
99
100
100
100
98
97
99
100
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
2
2

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
Light Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

35
43
43
33
29
23
18
16
23
39
35
18
23
16
19
13
14
16
15
18
26
95
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
1.2
3.3
6.3

Wind Speed/Direction (mph)

3
4
4
4
4
5
8
8
8
8
8
9
8
8
10
8
5
3
1
2
3
4
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
17
17
17
16
16
14
14
14
15
14
13
14
14
14
13
13
14
13
13
12
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

89
87
86
86
86
90
86
83
82
87
92
93
93
87
74
74
76
80
86
89
89
87
91
98

Pressure (mb)

1013
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1014
1013
1013
1012

Ozone (du)

253
254
255
254
255
256
256
256
255
256
256
257
257
258
260
260
260
260
260
261
262
262
262
261

Monday 22

Waxing Crescent 1%

07:55

19:30

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

Sun - Rise: 07:19, Set: 19:30, Transit: 13:25. Moon - Rise: 07:55, Set: 19:30. Civil Dark: 20:02 - 06:47. Nautical Dark: 20:40 - 06:09. Astro Dark: 21:20 - 05:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
98
96
96
96
95
94
91
88
84
81
77

Low Clouds (% Sky Obscured)

63
65
68
72
77
81
81
83
85
82
79
75
72
69
68
68
67
66
64
64
64
58
50
42

Medium Clouds (% Sky Obscured)

100
100
100
50
72
59
74
51
51
39
41
79
62
45
26
26
30
38
34
27
23
38
52
67

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
91
82
61
33
20
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

1
1
0
2
0
0
0
0
0
5
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

Moderate Rain
Light Rain
Light Rain
Very 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
75
74
54
31
21
21
10
9
6
11
12
13
24
32
38
34
32
31
30
30
17

Precipitation Amount (mm)

6.4
2.3
1.8
0.2
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
9
9
13
11
10
8
6
5
5
4
3
1
2
3
3
3
2
2
2
2
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
10
10
10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
11
11
10
10
10

Relative Humidity (%)

98
98
98
96
98
96
98
96
96
96
95
93
93
89
86
80
86
89
95
95
93
92
93
93

Pressure (mb)

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

Ozone (du)

261
262
264
265
266
267
269
272
273
273
274
276
278
279
279
280
280
281
282
282
283
283
286
288

Tuesday 23

Waxing Crescent 3%

09:06

19:42

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

Sun - Rise: 07:21, Set: 19:27, Transit: 13:24. Moon - Rise: 09:06, Set: 19:42. Civil Dark: 20:00 - 06:49. Nautical Dark: 20:38 - 06:11. Astro Dark: 21:17 - 05:31

Total Clouds (% Sky Obscured)

81
82
84
85
85
85
86
91
100
99
99
98
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
39
42
42
41
47
67
81
92
94
96
98
98
99
100
100
100
100
100
100
100
96
91
85

Medium Clouds (% Sky Obscured)

59
47
40
30
23
14
28
38
48
42
36
33
43
53
64
70
77
84
73
62
48
44
40
37

High Clouds (% Sky Obscured)

9
15
23
37
51
65
77
88
100
99
99
98
99
99
95
85
83
83
83
78
76
65
59
50

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

21
25
31
37
34
23
46
47
38
50
64
79
77
76
74
77
80
87
94
95
95
95
95
95

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
2
3
2
3
3
3
3
3
3
3
3
2
2
3
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
93
95
95
95
95
93
93
91
90
87
84
88
90
93
93
95
96
96
95
96
95
95

Pressure (mb)

1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

290
292
294
296
297
298
299
300
301
301
302
302
302
303
305
306
307
309
310
312
313
314
314
314

Wednesday 24

Waxing Crescent 7%

10:17

19:56

Sun - Rise: 07:23, Set: 19:25, Transit: 13:24. Moon - Rise: 10:17, Set: 19:56. Civil Dark: 19:57 - 06:50. Nautical Dark: 20:35 - 06:12. Astro Dark: 21:15 - 05:33

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Schalkenmehren, Germany (50.17,6.86)

Generated: 18/09/25 02:06:48. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00