Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 18

Waxing Crescent 5%

06:11

00:28

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

Sun - Rise: 05:41, Set: 21:28, Transit: 13:35. Moon - Rise: 06:11, Set: 00:28. Civil Dark: 22:10 - 04:59. Nautical Dark: 23:08 - 04:01. Astro Dark: 00:43 - 02:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
96
100
100
100
89
100
94
55
18
35
38
37

Low Clouds (% Sky Obscured)

65
82
87
79
76
73
71
62
56
59
61
56
55
95
69
53
56
34
30
16
14
30
35
35

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
93
68
92
100
83
100
93
46
6
3
3
2

High Clouds (% Sky Obscured)

1
1
44
11
81
23
100
100
100
100
100
91
10
15
3
2
0
0
0
8
0
6
7
1

ISS Passover

Visibility (miles)

9
9
9
4
4
6
9
9
9
9
5
9
5
4
4
5
5
4
4
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
None
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
74
44
18
7
12
42
54
53
70
62
84
95
71
62
58
34
5
0
0
0

Precipitation Amount (mm)

0
0.2
0.5
1.1
0.4
0
0
0
0
0
0.2
0
0.4
0.2
0.6
1
0.2
0
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
2
5
6
6
7
8
9
10
10
9
11
11
10
9
7
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
9
9
9
9
9
9
8
7
6
5
7
8
8
9
10
10
10
9
8
8

Relative Humidity (%)

95
96
96
98
96
95
93
91
88
86
74
69
58
55
61
63
67
73
79
84
87
93
93
95

Pressure (mb)

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

Ozone (du)

412
412
413
414
414
415
415
414
412
414
418
420
423
422
418
417
417
413
397
386
384
387
382
380

Tuesday 19

Waxing Crescent 11%

07:16

No Set

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

Sun - Rise: 05:40, Set: 21:29, Transit: 13:35. Moon - Rise: 07:16, Set: No Set. Civil Dark: 22:11 - 04:58. Nautical Dark: 23:10 - 03:59. Astro Dark: 00:50 - 02:20

Total Clouds (% Sky Obscured)

44
44
46
53
81
94
100
97
96
96
100
99
100
100
100
100
100
100
100
98
97
93
99
97

Low Clouds (% Sky Obscured)

38
38
37
36
31
4
1
1
17
34
69
55
67
57
68
56
56
74
93
74
56
57
75
68

Medium Clouds (% Sky Obscured)

7
7
12
19
36
39
72
92
91
96
100
98
100
99
100
100
87
100
100
95
93
79
84
81

High Clouds (% Sky Obscured)

1
0
2
4
7
74
100
80
82
20
55
41
100
100
85
90
79
86
86
8
0
0
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
3
12
12
56
71
63
64
60
50
44
36
8
43
59
81

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.3
0.3
0
0
0
0
0
0
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
7
7
6
5
6
7
8
9
10
11
11
10
9
9
9
9
9
10
10
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
94
94
94
95
90
87
84
82
74
69
76
84
83
87
90
89
87
87
87
92
93

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016
1016
1015
1016
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016

Ozone (du)

378
375
372
369
367
366
367
366
366
366
368
371
374
380
379
379
381
379
377
378
379
384
383
381

Wednesday 20

Waxing Crescent 20%

08:38

01:22

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

Sun - Rise: 05:39, Set: 21:31, Transit: 13:35. Moon - Rise: 08:38, Set: 01:22. Civil Dark: 22:13 - 04:56. Nautical Dark: 23:13 - 03:57. Astro Dark: 00:57 - 02:12

Total Clouds (% Sky Obscured)

94
92
90
76
80
95
89
98
93
100
94
96
91
94
100
88
94
81
88
98
87
93
83
96

Low Clouds (% Sky Obscured)

59
55
71
61
72
75
54
51
90
79
77
81
88
77
90
67
73
61
52
49
47
45
49
52

Medium Clouds (% Sky Obscured)

68
44
41
25
8
87
56
68
78
70
85
88
49
52
50
46
40
26
36
31
22
17
22
27

High Clouds (% Sky Obscured)

0
0
0
0
5
5
0
27
0
3
9
0
0
0
0
0
0
0
3
47
59
92
62
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
8
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

39
4
3
1
0
0
0
6
14
42
48
32
31
67
72
57
45
13
11
6
6
5
5
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
13
14
14
14
15
15
16
16
16
16
16
16
16
15
14
13
13

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
11
10
11
11
12
11
10
10
11
10
11
11
11
12
12
11
11

Relative Humidity (%)

95
95
93
93
93
93
90
87
79
80
80
82
79
69
66
73
66
71
71
73
79
86
87
89

Pressure (mb)

1016
1016
1017
1017
1017
1018
1019
1019
1020
1020
1020
1021
1021
1022
1022
1022
1022
1023
1023
1023
1024
1025
1025
1025

Ozone (du)

379
379
382
378
379
381
383
379
377
377
380
380
376
371
363
358
354
357
351
345
343
339
338
337

Thursday 21

Waxing Crescent 31%

10:06

01:58

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

Sun - Rise: 05:38, Set: 21:32, Transit: 13:35. Moon - Rise: 10:06, Set: 01:58. Civil Dark: 22:15 - 04:55. Nautical Dark: 23:15 - 03:55. Astro Dark: N/A - 02:03

Total Clouds (% Sky Obscured)

81
80
86
84
97
97
97
94
91
89
85
89
89
89
92
93
78
61
45
36
31
22
17
13

Low Clouds (% Sky Obscured)

56
49
46
44
49
54
59
60
60
60
49
37
26
28
30
31
30
29
28
23
18
13
9
4

Medium Clouds (% Sky Obscured)

32
24
14
3
3
3
3
5
12
81
63
81
64
29
38
51
40
30
20
13
7
0
0
0

High Clouds (% Sky Obscured)

6
27
48
61
93
90
89
74
60
42
47
58
68
45
23
0
0
0
0
0
0
5
9
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
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 (%)

2
3
3
1
0
0
0
0
0
0
0
0
0
1
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
7
7
7
7
7
8
8
9
8
8
8
8
8
7
6
5
4
4
4
3
4
4

Chance of Frost

Temperature (°C)

13
13
12
12
11
11
12
13
14
16
18
19
20
21
21
21
22
21
21
20
18
17
15
15

Feels Like (°C)

11
12
12
11
11
9
10
10
12
14
15
17
18
19
20
20
20
20
21
20
17
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

90
93
92
95
93
95
90
84
76
68
62
56
53
51
49
48
50
51
59
66
71
74
74
75

Pressure (mb)

1026
1026
1026
1026
1027
1027
1027
1028
1028
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029

Ozone (du)

337
337
336
336
336
336
336
335
335
336
336
335
334
333
334
332
331
330
329
328
327
327
327
327

Friday 22

Waxing Crescent 42%

11:33

02:22

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

Sun - Rise: 05:36, Set: 21:33, Transit: 13:35. Moon - Rise: 11:33, Set: 02:22. Civil Dark: 22:16 - 04:53. Nautical Dark: 23:17 - 03:53. Astro Dark: 01:06 - 01:50

Total Clouds (% Sky Obscured)

16
41
62
100
86
73
34
24
30
13
13
27
23
36
53
76
61
41
14
43
71
100
92
80

Low Clouds (% Sky Obscured)

0
4
8
11
8
4
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

16
41
62
100
83
65
34
24
17
1
11
23
23
36
53
76
61
41
14
43
71
100
92
80

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
5
5
5
5
6
6
6
6
6
6
6
6
6
6
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

14
14
14
13
13
13
14
16
18
20
22
23
24
25
26
26
26
26
25
24
22
20
19
18

Feels Like (°C)

15
14
14
13
12
12
13
17
19
20
22
24
24
26
26
26
27
27
27
27
24
24
24
23

Dew Point (°C)

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

Relative Humidity (%)

78
79
82
83
84
83
82
75
67
60
54
50
47
45
44
43
42
48
53
60
63
66
70
72

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1026
1026
1026
1026
1025
1025
1025
1026
1025

Ozone (du)

329
330
329
331
331
332
334
334
333
333
332
332
333
335
335
334
333
333
332
332
332
333
333
331

Saturday 23

First Quarter 53%

12:56

02:40

01 Bad
02 OK
03 OK
04 OK
05 OK
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 OK
22 OK
23 OK
00 OK

Sun - Rise: 05:35, Set: 21:35, Transit: 13:35. Moon - Rise: 12:56, Set: 02:40. Civil Dark: 22:18 - 04:52. Nautical Dark: 23:19 - 03:51. Astro Dark: 01:20 - N/A

Total Clouds (% Sky Obscured)

61
47
36
27
45
68
91
85
78
70
69
67
66
74
83
90
83
76
70
56
48
40
44
47

Low Clouds (% Sky Obscured)

0
0
0
0
2
4
5
3
2
0
1
1
2
13
23
34
23
17
8
6
3
0
4
7

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
4
6
5
4
3
2
2
2
2
1
0
3
6

High Clouds (% Sky Obscured)

61
47
36
27
45
68
91
85
78
70
65
61
56
69
82
90
75
53
35
28
22
15
14
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
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)

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

Chance of Frost

Temperature (°C)

18
17
17
17
16
17
18
19
21
23
24
26
27
28
28
28
28
27
26
25
23
21
19
18

Feels Like (°C)

22
22
18
18
19
18
18
18
20
21
21
22
23
24
30
29
28
28
28
28
23
23
22
21

Dew Point (°C)

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

Relative Humidity (%)

74
78
79
82
83
81
76
73
66
60
54
50
46
43
43
45
45
50
56
64
68
73
80
83

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1025
1025
1025
1026
1026
1026

Ozone (du)

330
328
327
326
325
324
324
323
322
322
322
322
322
322
323
324
325
326
328
329
331
333
334
334

Sunday 24

Waxing Gibbous 64%

14:14

02:53

Sun - Rise: 05:34, Set: 21:36, Transit: 13:35. Moon - Rise: 14:14, Set: 02:53. Civil Dark: 22:20 - 04:51. Nautical Dark: 23:21 - 03:49. Astro Dark: N/A - N/A

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 Knegsel, Gemeente Eersel, Netherlands (51.40,5.34)

Generated: 18/05/26 01:35:15. Forecast: 18/05/26 to 24/05/26. Timezone: UTC+2.00