Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Gibbous 95%

19:49

04:11

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

Sun - Rise: 06:36, Set: 20:37, Transit: 13:36. Moon - Rise: 19:49, Set: 04:11. Civil Dark: 21:13 - 06:00. Nautical Dark: 21:59 - 05:15. Astro Dark: 22:51 - 04:24

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
2
17
9
4
80
81
99
100
48
36
46
32
28
2
37
30
87
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
9
0
21
24
19
18
16
15
0
0
0
0
18
29
18
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
30
53
53

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
17
1
4
74
76
99
100
39
32
46
32
28
2
37
30
84
87

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
4
4
4
13
13
13
13
12
12
12
12
10
9
9
10
9
8
7
7
7
8
8
8

Chance of Frost

Temperature (°C)

11
12
15
17
20
21
23
24
24
25
25
24
23
22
20
18
17
16
16
15
15
14
14
14

Feels Like (°C)

9
10
12
14
17
18
19
20
21
22
22
21
20
18
15
14
14
13
13
13
13
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

81
73
61
52
44
38
33
29
27
27
27
28
32
39
42
43
47
52
56
58
57
53
50
49

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

327
325
325
326
327
327
327
327
325
324
323
322
321
321
320
320
320
321
318
317
315
315
314
313

Wednesday 26

Waxing Gibbous 98%

20:06

05:29

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

Sun - Rise: 06:38, Set: 20:35, Transit: 13:36. Moon - Rise: 20:06, Set: 05:29. Civil Dark: 21:11 - 06:02. Nautical Dark: 21:56 - 05:17. Astro Dark: 22:47 - 04:26

Total Clouds (% Sky Obscured)

100
100
100
100
94
73
77
61
34
48
33
72
68
73
52
100
100
100
100
67
64
56
51
92

Low Clouds (% Sky Obscured)

21
25
28
25
12
2
4
24
20
46
33
21
8
3
19
24
8
0
0
0
0
3
23
34

Medium Clouds (% Sky Obscured)

50
50
50
98
75
34
19
11
8
7
0
0
0
0
0
0
0
0
1
30
19
14
3
8

High Clouds (% Sky Obscured)

100
98
100
100
87
73
63
25
1
1
20
55
47
59
52
100
100
100
100
36
55
38
32
79

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

Chance of Frost

Temperature (°C)

14
15
17
18
20
21
23
24
24
24
25
24
24
22
20
19
19
19
18
17
17
16
16
15

Feels Like (°C)

11
12
13
15
17
18
21
22
22
23
23
23
22
22
20
18
17
18
17
16
16
15
15
15

Dew Point (°C)

4
6
7
8
10
11
11
11
13
14
15
14
14
14
14
14
15
15
15
14
14
13
13
12

Relative Humidity (%)

50
53
54
52
53
51
48
45
48
53
53
53
53
58
67
72
76
77
82
79
81
81
81
80

Pressure (mb)

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

Ozone (du)

312
314
315
316
318
319
318
318
316
315
316
315
315
314
313
311
310
311
310
310
310
310
309
308

Thursday 27

Waxing Gibbous 100%

20:19

06:47

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:40, Set: 20:32, Transit: 13:35. Moon - Rise: 20:19, Set: 06:47. Civil Dark: 21:08 - 06:04. Nautical Dark: 21:53 - 05:19. Astro Dark: 22:44 - 04:29

Total Clouds (% Sky Obscured)

72
100
100
100
100
79
100
100
100
100
100
100
100
100
100
100
100
100
100
95
91
85
87
88

Low Clouds (% Sky Obscured)

36
10
18
1
4
2
22
26
55
39
14
28
40
42
41
58
65
79
91
79
71
73
67
71

Medium Clouds (% Sky Obscured)

23
60
78
89
54
50
55
54
86
30
31
100
100
96
89
89
82
77
71
64
52
50
9
52

High Clouds (% Sky Obscured)

32
100
95
100
100
59
100
100
100
100
100
100
100
100
100
100
100
100
100
82
57
35
30
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
7
2
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

1
4
11
24
32
7
4
5
4
7
11
15
53
62
95
95
95
95
95
92
75
44
37
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
1.2
1.5
1.2
3.9
1.8
0.5
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
17
18
20
21
23
25
26
27
27
27
27
25
23
22
20
19
19
19
19
19
19
19
19

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
13
14
13
12
11
12
12
13
14
13
13
18
19
19
19
19
18
18
19
18

Relative Humidity (%)

80
72
66
58
58
57
48
42
37
39
39
42
48
52
56
86
95
98
96
96
95
95
96
96

Pressure (mb)

1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1007
1007
1006
1006
1006
1006
1006

Ozone (du)

307
307
307
307
308
308
311
313
318
317
314
312
312
310
309
305
307
305
304
309
311
314
316
317

Friday 28

Full Moon 99%

20:30

No Set

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 OK
23 OK
00 Good
01 Good
02 OK
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:41, Set: 20:30, Transit: 13:35. Moon - Rise: 20:30, Set: No Set. Civil Dark: 21:06 - 06:06. Nautical Dark: 21:51 - 05:21. Astro Dark: 22:41 - 04:32

Total Clouds (% Sky Obscured)

90
88
87
87
79
70
63
73
83
94
96
98
100
87
56
30
26
13
7
32
53
80
84
85

Low Clouds (% Sky Obscured)

70
70
68
59
58
52
47
42
54
47
42
68
69
48
38
18
13
8
2
9
17
27
41
54

Medium Clouds (% Sky Obscured)

36
54
72
26
60
54
13
45
12
3
21
66
58
43
34
7
6
4
3
4
7
9
10
10

High Clouds (% Sky Obscured)

30
28
29
35
36
38
39
50
60
84
89
95
100
73
28
1
4
1
4
32
51
79
61
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
6
9
10
13
17
19
20
23
26
26
43
32
44
31
1
0
0
0
0
0
0
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
17
17
17
18
18
19
19
19
20
17
15
15
17
17
16
16
15
15
15
14
15

Dew Point (°C)

18
17
17
15
15
13
12
12
10
9
9
9
12
14
15
15
14
14
14
14
14
14
14
15

Relative Humidity (%)

96
95
90
81
76
66
58
52
45
44
41
43
60
70
83
86
86
86
86
87
89
90
90
93

Pressure (mb)

1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1008
1008
1008
1008
1008
1007
1008
1008

Ozone (du)

318
323
324
324
326
329
329
337
340
340
338
338
339
339
338
338
338
338
338
334
333
331
329
328

Saturday 29

Waning Gibbous 96%

20:41

08:04

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:43, Set: 20:28, Transit: 13:35. Moon - Rise: 20:41, Set: 08:04. Civil Dark: 21:04 - 06:07. Nautical Dark: 21:48 - 05:23. Astro Dark: 22:38 - 04:34

Total Clouds (% Sky Obscured)

82
78
84
80
81
83
63
71
80
86
90
92
98
99
99
100
100
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

58
55
79
48
53
45
47
48
51
56
57
58
60
61
62
62
67
74
81
87
92
95
94
94

Medium Clouds (% Sky Obscured)

11
12
76
29
16
79
22
24
23
23
38
47
54
61
72
83
89
94
99
99
98
98
71
44

High Clouds (% Sky Obscured)

29
20
11
18
20
15
1
26
52
74
69
64
63
74
87
100
100
100
100
87
69
49
33
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
9
9
8
7
7
7
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
3
3
3
9
22
25
53
60
60
59
54
49
43
43
52
66
82
92
95
95
95
95
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.2
0.2
0
0
0.2
0.3
0.5
0.6
0.9
1.3
1.5
1
0.4

Wind Speed/Direction (mph)

11
11
12
12
14
14
14
14
13
12
11
10
8
7
6
5
5
6
8
9
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
90
83
85
68
60
54
47
53
62
70
75
81
85
88
89
90
92
93
95
96
96
95
95

Pressure (mb)

1008
1008
1008
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008
1007
1007
1007

Ozone (du)

327
326
323
322
322
322
317
313
310
307
304
302
301
300
301
301
302
302
302
302
305
307
310
309

Sunday 30

Waning Gibbous 91%

20:52

09:23

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:45, Set: 20:26, Transit: 13:34. Moon - Rise: 20:52, Set: 09:23. Civil Dark: 21:01 - 06:09. Nautical Dark: 21:45 - 05:25. Astro Dark: 22:35 - 04:37

Total Clouds (% Sky Obscured)

96
96
95
94
90
88
85
80
76
71
75
80
84
84
83
85
75
67
62
67
72
77
78
81

Low Clouds (% Sky Obscured)

94
94
95
94
90
82
72
67
57
49
42
36
29
28
27
26
33
39
41
37
42
46
40
36

Medium Clouds (% Sky Obscured)

14
10
5
1
3
7
10
19
14
10
12
12
11
14
19
28
29
24
23
24
22
20
15
10

High Clouds (% Sky Obscured)

0
0
0
0
6
11
18
20
21
21
32
51
68
69
75
83
75
66
61
54
46
38
44
46

ISS Passover

Visibility (miles)

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

None
None
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
None
Very Light Rain

Precipitation Probability (%)

38
32
23
19
22
31
36
40
37
29
27
30
31
26
20
9
52
81
95
95
74
44
53
65

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.8
0.6
0.3
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
17
17
16
17
16
15
15
14
14
13
14
15
16
15
15
15
15
15
15
16
16
16
16

Relative Humidity (%)

95
95
93
89
88
81
72
67
63
59
55
64
72
82
83
85
87
87
90
92
92
93
93
93

Pressure (mb)

1007
1007
1008
1008
1009
1009
1010
1010
1010
1010
1011
1010
1010
1010
1010
1010
1010
1009
1008
1008
1007
1007
1007
1007

Ozone (du)

308
307
307
306
306
306
306
306
306
306
306
306
307
307
310
312
314
316
319
321
324
326
328
330

Monday 31

Waning Gibbous 83%

21:05

10:44

Sun - Rise: 06:46, Set: 20:23, Transit: 13:34. Moon - Rise: 21:05, Set: 10:44. Civil Dark: 20:59 - 06:11. Nautical Dark: 21:43 - 05:27. Astro Dark: 22:31 - 04:39

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 Lochem, Gemeente Lochem, Netherlands (52.16,6.41)

Generated: 25/08/26 07:55:02. Forecast: 25/08/26 to 31/08/26. Timezone: UTC+2.00