Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 99%

20:06

05:33

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

Sun - Rise: 06:08, Set: 20:59, Transit: 13:35. Moon - Rise: 20:06, Set: 05:33. Civil Dark: 21:37 - 05:30. Nautical Dark: 22:26 - 04:41. Astro Dark: 23:27 - 03:39

Total Clouds (% Sky Obscured)

9
7
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
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
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
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)

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

Chance of Frost

Temperature (°C)

19
20
21
20
20
19
16
14
13
12
12
11
10
10
9
9
9
10
13
15
17
19
20
22

Feels Like (°C)

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

Dew Point (°C)

-3
-2
-1
2
3
5
4
3
2
2
2
3
3
2
2
1
1
2
2
2
3
4
5
6

Relative Humidity (%)

21
22
24
28
32
40
44
46
47
47
52
56
59
60
60
59
57
54
47
42
41
38
37
35

Pressure (mb)

1026
1026
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1024

Ozone (du)

383
382
381
380
377
376
376
376
376
376
377
377
377
377
375
375
376
376
377
377
376
376
377
377

Friday 1

Full Moon 100%

21:21

05:50

15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
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

Sun - Rise: 06:07, Set: 21:01, Transit: 13:35. Moon - Rise: 21:21, Set: 05:50. Civil Dark: 21:39 - 05:28. Nautical Dark: 22:29 - 04:38. Astro Dark: 23:31 - 03:35

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
26
71
100
100
100
100
99
100
100
100
87
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
10
33
33
24
47
44
58
59

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
29
55
98
98
45
50
33
45
19
44
33

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
26
71
100
100
100
100
85
100
98
100
60
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
9
3

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
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
4
9
7
6
16
29
78
64

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
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
24
23
23
22
18
17
15
15
14
13
13
13
13
13
13
14
16
18
20
21
22
22

Feels Like (°C)

19
20
21
22
21
20
17
16
15
14
13
12
11
10
10
10
10
12
14
16
18
19
20
21

Dew Point (°C)

6
6
7
9
9
10
9
9
8
7
6
6
6
6
6
6
6
7
8
9
11
12
13
15

Relative Humidity (%)

34
33
35
38
41
48
55
59
60
59
58
60
61
63
64
64
63
62
56
54
54
55
54
62

Pressure (mb)

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

Ozone (du)

378
379
379
379
379
379
379
380
382
385
386
386
386
380
378
374
373
372
372
371
370
370
369
368

Saturday 2

Waning Gibbous 98%

22:35

06:13

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:05, Set: 21:03, Transit: 13:34. Moon - Rise: 22:35, Set: 06:13. Civil Dark: 21:41 - 05:26. Nautical Dark: 22:31 - 04:36. Astro Dark: 23:34 - 03:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
87
88
99
100
100
100
95
78
86
91
94
97
100
100
100
100
98

Low Clouds (% Sky Obscured)

47
44
35
42
46
38
30
8
1
17
11
6
7
4
1
1
1
26
47
72
67
69
66
66

Medium Clouds (% Sky Obscured)

20
52
53
86
90
96
88
60
68
95
96
86
97
95
78
86
84
94
97
76
70
100
100
94

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
68
66
95
100
100
100
77
57
45
50
64
82
100
72
43
30
40

ISS Passover

Visibility (miles)

4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
6
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
Light Rain
None
Light Rain
Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
None
None

Precipitation Probability (%)

49
95
61
88
85
22
36
39
55
50
44
13
16
15
47
58
50
39
31
39
77
95
76
53

Precipitation Amount (mm)

0
1.1
0
0.5
0.8
0
0
0
0.2
0.2
0.2
0
0
0
0
0.2
0
0
0
0
0.3
1.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
23
21
22
21
20
18
18
16
16
15
15
15
15
14
14
14
15
15
15
16
17
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
54
46
49
59
74
80
83
85
87
90
95
95
93
92
92
93
90
86
82
75
71
89
87

Pressure (mb)

1017
1016
1015
1015
1014
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1009

Ozone (du)

367
365
363
361
360
361
364
365
365
365
366
366
367
366
365
365
365
365
366
367
369
371
374
377

Sunday 3

Waning Gibbous 95%

23:46

06:44

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:03, Set: 21:04, Transit: 13:34. Moon - Rise: 23:46, Set: 06:44. Civil Dark: 21:43 - 05:24. Nautical Dark: 22:33 - 04:33. Astro Dark: 23:37 - 03:28

Total Clouds (% Sky Obscured)

95
93
82
70
42
46
50
62
58
54
47
65
83
100
91
81
72
67
63
60
64
74
83
79

Low Clouds (% Sky Obscured)

64
63
55
47
38
43
47
51
48
45
42
39
36
34
28
22
16
29
41
55
57
59
55
46

Medium Clouds (% Sky Obscured)

33
78
16
14
12
9
5
3
5
42
47
65
77
100
91
80
72
55
44
29
18
32
42
61

High Clouds (% Sky Obscured)

57
73
63
38
1
1
1
5
6
7
4
36
68
100
67
33
0
0
0
5
3
10
20
20

ISS Passover

Visibility (miles)

5
4
9
9
9
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
Very Light Rain
Very 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

Precipitation Probability (%)

78
73
59
56
53
60
6
3
0
1
0
2
2
1
2
2
0
3
3
2
5
6
4
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
73
79
81
78
82
89
90
93
92
95
93
95
95
95
95
91
84
75
67
61
57
54
53

Pressure (mb)

1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

379
378
379
387
393
392
389
386
383
380
379
378
376
376
377
377
377
376
376
375
374
374
374
373

Monday 4

Waning Gibbous 90%

00:49

07:26

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:01, Set: 21:06, Transit: 13:34. Moon - Rise: 00:49, Set: 07:26. Civil Dark: 21:45 - 05:22. Nautical Dark: 22:36 - 04:31. Astro Dark: 23:41 - 03:24

Total Clouds (% Sky Obscured)

76
71
68
69
72
62
55
45
45
45
50
53
55
50
37
39
45
58
71
84
86
88
91
91

Low Clouds (% Sky Obscured)

39
45
51
55
58
47
40
25
30
35
45
53
55
50
37
39
45
52
59
65
71
76
85
82

Medium Clouds (% Sky Obscured)

76
71
68
69
72
62
55
45
45
45
50
53
55
50
37
39
45
58
65
61
54
46
38
46

High Clouds (% Sky Obscured)

15
10
5
0
0
0
0
5
1
1
4
3
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
6
4
9
9
4
3
2
3
3
4
4
6
8
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
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

17
29
47
57
64
57
57
84
95
95
95
95
88
83
83
75
64
56
47
31
41
47
49
54

Precipitation Amount (mm)

0
0
0
0
0.3
0
0
0.4
0.8
1
0.8
0.7
0.5
0.5
0.5
0.5
0.4
0.3
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

7
7
7
5
5
4
5
5
4
4
5
7
7
7
7
7
8
8
8
9
9
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
16
16
16
15
14
12
12
11
10
8
8
8
8
8
8
8
7
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

52
53
55
61
73
79
84
86
89
93
95
96
95
96
96
96
96
96
93
93
91
90
90
90

Pressure (mb)

1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

373
373
373
372
371
371
372
371
370
370
372
373
376
379
382
382
383
383
381
380
378
378
378
378

Tuesday 5

Waning Gibbous 83%

01:40

08:20

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:59, Set: 21:07, Transit: 13:34. Moon - Rise: 01:40, Set: 08:20. Civil Dark: 21:46 - 05:20. Nautical Dark: 22:38 - 04:28. Astro Dark: 23:44 - 03:20

Total Clouds (% Sky Obscured)

90
89
91
93
96
84
72
64
73
83
92
92
94
96
97
98
100
100
100
100
99
99
98
96

Low Clouds (% Sky Obscured)

79
74
67
60
53
53
57
58
57
57
60
71
82
93
92
91
89
92
96
100
93
86
79
78

Medium Clouds (% Sky Obscured)

54
61
71
81
90
80
69
52
41
32
22
30
36
45
53
67
83
67
54
50
56
54
52
48

High Clouds (% Sky Obscured)

0
0
0
5
11
9
8
10
9
9
5
6
4
4
3
2
2
1
1
1
1
1
2
3

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

60
63
55
46
37
41
46
53
45
34
20
28
34
40
41
45
52
63
68
71
74
75
72
60

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
88
90
90
91
93
95
95
93
94
94
94
94
96
96
96
96
95
95
93
90
90

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013

Ozone (du)

378
378
378
378
379
379
381
383
384
385
386
388
392
396
400
400
400
401
398
394
391
389
386
384

Wednesday 6

Waning Gibbous 75%

02:19

09:26

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
07 Bad

Sun - Rise: 05:58, Set: 21:09, Transit: 13:34. Moon - Rise: 02:19, Set: 09:26. Civil Dark: 21:48 - 05:18. Nautical Dark: 22:40 - 04:26. Astro Dark: 23:48 - 03:16

Total Clouds (% Sky Obscured)

93
90
81
73
66
64
64
64
72
81
89
78
65
49
52
64
76

Low Clouds (% Sky Obscured)

77
75
69
64
60
59
59
57
49
44
35
38
42
40
34
33
37

Medium Clouds (% Sky Obscured)

44
40
27
13
0
0
0
0
0
0
0
0
1
1
11
18
26

High Clouds (% Sky Obscured)

6
6
7
4
2
9
15
22
32
44
21
21
19
22
35
47
58

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

44
23
24
26
28
21
17
1
7
12
16
22
24
23
19
15
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
6
5
5
5
4
4
4
4
4
4
3
6
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
80
76
74
74
74
78
82
85
87
87
87
88
90
91
88
85

Pressure (mb)

1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017
1017
1018
1018
1019

Ozone (du)

385
386
386
386
386
386
386
386
387
388
390
392
388
385
381
380
380

Forecast for Eindhoven, Gemeente Eindhoven, Netherlands (51.44,5.48)

Generated: 30/04/26 14:59:52. Forecast: 30/04/26 to 06/05/26. Timezone: UTC+2.00