Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 29

Waxing Crescent 5%

06:25

00:11

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

Sun - Rise: 06:06, Set: 20:57, Transit: 13:31. Moon - Rise: 06:25, Set: 00:11. Civil Dark: 21:35 - 05:25. Nautical Dark: 22:26 - 04:34. Astro Dark: 23:28 - 03:30

Total Clouds (% Sky Obscured)

96
88
60
14
10
19
27
38
33
83
34
31
30
31
27
19
24
12
15
7
11
63
63
22

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
16
0
1
1
0
0
0
1
0
0
0
0
0
2
0

High Clouds (% Sky Obscured)

77
34
27
12
7
15
22
34
33
76
34
31
30
29
26
19
23
9
9
4
7
63
61
11

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)

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

Chance of Frost

Temperature (°C)

6
7
9
12
15
17
18
20
20
21
21
22
21
20
18
16
14
13
12
12
11
10
10
10

Feels Like (°C)

5
5
8
11
14
17
18
19
19
19
21
20
19
19
18
15
13
12
11
11
10
10
10
9

Dew Point (°C)

2
3
5
6
8
9
9
10
10
10
10
10
11
12
12
11
10
10
9
9
9
9
8
8

Relative Humidity (%)

72
75
72
65
61
59
54
52
50
49
48
48
51
59
68
73
76
79
81
86
88
90
88
87

Pressure (mb)

1027
1027
1027
1028
1028
1028
1027
1027
1027
1026
1026
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1025
1025
1025

Ozone (du)

326
327
326
325
325
325
325
325
325
325
326
325
324
323
322
321
321
321
321
321
321
320
322
323

Wednesday 30

Waxing Crescent 11%

07:02

01:32

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

Sun - Rise: 06:04, Set: 20:58, Transit: 13:31. Moon - Rise: 07:02, Set: 01:32. Civil Dark: 21:37 - 05:23. Nautical Dark: 22:28 - 04:32. Astro Dark: 23:32 - 03:26

Total Clouds (% Sky Obscured)

48
57
33
49
45
73
33
25
47
41
22
39
14
24
32
30
30
30
36
41
30
25
25
21

Low Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

33
52
31
41
41
72
24
20
47
37
22
38
14
23
27
20
20
15
27
32
25
25
25
11

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

Chance of Frost

Temperature (°C)

9
10
12
14
16
19
20
21
22
23
23
23
23
22
20
17
16
15
14
13
13
12
12
12

Feels Like (°C)

8
8
11
14
15
19
21
21
23
22
22
23
22
22
19
16
14
13
12
12
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

85
84
79
71
65
59
56
51
48
47
46
47
49
58
65
64
66
69
73
75
79
80
81
83

Pressure (mb)

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

Ozone (du)

324
325
325
325
326
328
330
330
330
330
330
331
331
331
331
332
333
333
333
333
332
333
333
333

Thursday 1

Waxing Crescent 20%

07:56

02:31

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

Sun - Rise: 06:02, Set: 21:00, Transit: 13:31. Moon - Rise: 07:56, Set: 02:31. Civil Dark: 21:39 - 05:21. Nautical Dark: 22:30 - 04:29. Astro Dark: 23:36 - 03:22

Total Clouds (% Sky Obscured)

16
38
80
87
52
17
8
5
5
23
42
57
64
100
100
55
50
82
90
100
80
78
79
75

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
9
18
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
33
33
34
31
34
26
29
60
57
57
45
36
32

High Clouds (% Sky Obscured)

6
38
80
87
47
10
7
5
5
10
20
26
46
100
100
50
50
75
77
70
37
52
62
43

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
0
13

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
5
4
5
5
7
8
8
8
7
5
4
5
5
4
2
2
5
5
5
5

Chance of Frost

Temperature (°C)

11
12
14
16
19
21
23
24
25
26
26
26
25
24
22
19
18
17
16
16
15
14
14
13

Feels Like (°C)

11
11
15
17
19
21
23
25
26
25
25
24
24
24
22
19
17
16
16
16
13
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

87
84
79
72
64
60
55
51
48
45
43
46
52
60
65
67
71
69
67
68
71
76
78
80

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1017
1017
1016
1016
1017
1017
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

334
333
332
332
332
332
332
332
338
336
334
333
331
331
330
330
332
333
335
334
332
331
329
329

Friday 2

Waxing Crescent 30%

09:07

03:09

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

Sun - Rise: 05:58, Set: 21:02, Transit: 13:31. Moon - Rise: 09:07, Set: 03:09. Civil Dark: 21:41 - 05:19. Nautical Dark: 22:33 - 04:26. Astro Dark: 23:39 - 03:18

Total Clouds (% Sky Obscured)

75
64
73
71
61
59
57
43
37
30
13
22
29
32
22
16
10
17
23
30
25
23
25
27

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
10
13
16
15
10
17
11
10
9
4
0
9
18
26
18
11
4
3

Medium Clouds (% Sky Obscured)

37
39
39
37
33
26
22
14
9
4
2
3
4
7
6
5
3
2
1
0
0
0
0
0

High Clouds (% Sky Obscured)

41
17
40
28
9
5
2
0
9
0
0
3
4
0
0
0
0
0
0
0
0
0
4
10

ISS Passover

Visibility (miles)

9
6
9
9
9
9
7
9
6
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
25
2
1
2
40
38
30
39
22
14
11
6
1
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
6
7
8
9
10
9
9
10
8
9
9
9
8
8
7
7
5
5
5
3
3
2

Chance of Frost

Temperature (°C)

14
14
15
17
19
21
21
21
22
21
21
22
20
19
17
15
13
12
11
10
9
8
7
7

Feels Like (°C)

14
13
15
16
17
19
19
19
21
19
19
20
17
16
15
13
11
11
11
9
8
8
7
5

Dew Point (°C)

10
12
13
13
14
14
15
16
16
16
15
14
13
12
12
10
8
8
8
7
6
6
5
4

Relative Humidity (%)

79
86
83
77
72
67
68
75
68
72
70
62
65
65
68
69
71
76
80
81
82
84
82
81

Pressure (mb)

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

Ozone (du)

331
335
337
339
341
344
349
357
355
352
350
352
352
352
352
352
353
355
356
356
356
356
355
355

Saturday 3

Waxing Crescent 41%

10:29

03:35

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

Sun - Rise: 05:56, Set: 21:03, Transit: 13:31. Moon - Rise: 10:29, Set: 03:35. Civil Dark: 21:43 - 05:16. Nautical Dark: 22:35 - 04:24. Astro Dark: 23:43 - 03:14

Total Clouds (% Sky Obscured)

5
2
5
7
12
30
50
64
57
41
30
38
42
43
43
55
61
33
24
18
34
53
73
64

Low Clouds (% Sky Obscured)

1
0
3
7
9
15
19
25
24
24
24
19
16
12
43
55
61
33
17
0
0
0
0
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
3
5
6
7
7
5
2
0
19
16
12
8
3
0
0
0
0
0

High Clouds (% Sky Obscured)

2
1
1
0
1
29
50
64
57
33
2
16
29
42
0
0
1
2
3
5
9
16
26
32

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
1
1
1
2
2
0
0
1
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)

2
2
1
2
3
4
5
6
7
8
10
12
12
11
9
9
9
9
8
8
7
6
5
5

Chance of Frost

Temperature (°C)

7
8
9
11
13
14
16
17
18
19
19
18
17
15
13
12
11
10
9
8
7
6
5
5

Feels Like (°C)

6
9
10
11
13
14
15
16
17
18
17
16
14
13
12
12
11
11
10
10
9
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

81
78
69
60
53
49
47
46
46
46
47
52
56
61
71
76
80
85
88
91
94
94
94
96

Pressure (mb)

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

Ozone (du)

356
357
358
360
360
360
363
367
366
364
362
362
360
360
361
361
361
361
362
364
365
367
369
371

Sunday 4

First Quarter 52%

11:52

03:52

06 Bad
07 OK
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

Sun - Rise: 05:54, Set: 21:05, Transit: 13:31. Moon - Rise: 11:52, Set: 03:52. Civil Dark: 21:45 - 05:14. Nautical Dark: 22:37 - 04:21. Astro Dark: 23:47 - 03:10

Total Clouds (% Sky Obscured)

55
46
62
78
91
90
88
88
86
85
86
90
91
91
85
73
61
63
60
58
65
75
86
88

Low Clouds (% Sky Obscured)

8
9
30
51
73
78
79
81
84
85
86
86
80
73
78
73
61
63
60
58
65
75
86
81

Medium Clouds (% Sky Obscured)

0
0
9
10
11
4
3
3
6
10
17
18
21
19
18
15
12
9
5
1
6
11
16
25

High Clouds (% Sky Obscured)

25
25
30
30
32
21
12
5
6
3
4
4
4
4
3
3
2
4
2
1
1
1
0
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
1
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
2
2
1
3

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
5
5
7
8
10
10
10
10
10
11
11
11
10
10
10
9
9
8
8
8
7
7
7

Chance of Frost

Temperature (°C)

6
7
8
9
10
11
11
11
12
12
12
12
11
10
9
9
8
8
8
7
7
7
7
6

Feels Like (°C)

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

Dew Point (°C)

4
4
4
5
4
4
5
4
4
4
4
4
3
3
2
1
0
-1
-1
-2
-2
-2
-3
-3

Relative Humidity (%)

90
85
79
75
69
65
64
60
60
59
58
58
59
59
60
58
56
53
53
52
52
51
50
50

Pressure (mb)

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

Ozone (du)

372
373
374
374
373
373
373
373
374
374
374
374
373
373
372
374
376
378
379
380
381
382
382
383

Monday 5

Waxing Gibbous 62%

13:12

04:05

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 OK
21 OK
22 OK
23 OK
00 OK
01 OK

Sun - Rise: 05:53, Set: 21:07, Transit: 13:31. Moon - Rise: 13:12, Set: 04:05. Civil Dark: 21:47 - 05:12. Nautical Dark: 22:40 - 04:19. Astro Dark: 23:51 - 03:06

Total Clouds (% Sky Obscured)

92
95
95
95
94
92
90
90
87
83
80
71
60
49
40
32
25
27
26
28

Low Clouds (% Sky Obscured)

74
68
68
69
66
68
69
79
76
74
72
66
58
49
39
30
23
26
26
28

Medium Clouds (% Sky Obscured)

35
40
34
28
26
19
16
14
16
16
17
14
7
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
1
1
1
1
1
1
1
2
2
4
5
9

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

Precipitation Probability (%)

5
1
12
18
19
19
35
48
45
43
40
30
21
7
9
7
0
1
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
6
6
7
7
8
9
10
10
10
10
10
10
9
8
7
6
6
6

Chance of Frost

Temperature (°C)

7
7
7
8
9
9
10
10
10
11
11
12
11
10
10
8
7
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
51
52
54
57
58
57
57
56
55
54
52
56
59
62
68
75
82
83
85

Pressure (mb)

1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

387
391
394
393
391
390
388
386
384
383
382
380
379
377
376
376
376
376
377
379

Forecast for Lochem, Gemeente Lochem, Netherlands (52.16,6.41)

Generated: 29/04/25 06:17:03. Forecast: 29/04/25 to 05/05/25. Timezone: UTC+2.00