Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 0%

06:16

21:16

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 Bad
23 Bad
00 Bad

Sun - Rise: 06:39, Set: 20:42, Transit: 13:41. Moon - Rise: 06:16, Set: 21:16. Civil Dark: 21:19 - 06:03. Nautical Dark: 22:04 - 05:18. Astro Dark: 22:56 - 04:26

Total Clouds (% Sky Obscured)

99
80
100
100
68
51
100
100
99
100
94
84
98
100
100
100
99
93
44
39
32
51
84
81

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
37
38
20
0
78
0
36
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

51
78
25
52
44
37
65
87
79
43
41
28
27
47
37
46
49
51
27
27
23
35
56
66

High Clouds (% Sky Obscured)

97
72
76
100
27
17
100
99
93
100
78
58
96
100
100
75
79
55
21
1
1
26
68
18

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
11
13
15
16
18
19
19
19
18
17
16
15
14
12
12
11

Feels Like (°C)

7
7
7
7
8
7
7
8
9
11
13
14
15
16
16
16
16
14
13
13
13
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

82
85
85
88
88
88
88
81
72
68
64
61
53
47
47
47
51
55
61
62
65
66
68
71

Pressure (mb)

1022
1022
1022
1022
1022
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

362
360
360
360
362
362
362
362
361
360
358
358
359
359
360
359
360
359
359
360
361
363
361
361

Saturday 18

Waxing Crescent 2%

06:33

22:50

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

Sun - Rise: 06:37, Set: 20:44, Transit: 13:40. Moon - Rise: 06:33, Set: 22:50. Civil Dark: 21:20 - 06:01. Nautical Dark: 22:06 - 05:15. Astro Dark: 22:58 - 04:23

Total Clouds (% Sky Obscured)

89
96
93
93
75
91
98
100
100
100
100
99
97
78
21
18
12
7
0
0
0
5
41
75

Low Clouds (% Sky Obscured)

0
0
0
0
0
32
66
58
84
82
86
83
74
62
7
5
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

69
75
93
85
75
88
87
97
100
100
97
97
88
30
1
0
0
0
0
0
0
4
30
52

High Clouds (% Sky Obscured)

41
58
83
44
15
2
80
83
0
0
64
4
0
5
1
9
7
7
0
0
0
0
4
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
3
25
56
87
57
21
8
4
16
5
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.9
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
76
77
78
80
80
76
70
64
64
64
66
70
67
74
70
58
58
64
73
78
81
82

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023

Ozone (du)

359
358
360
362
362
364
365
368
369
368
369
371
374
379
381
385
382
380
383
387
387
387
387
390

Sunday 19

Waxing Crescent 6%

06:57

00:24

01 OK
02 Bad
03 OK
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: 06:35, Set: 20:46, Transit: 13:40. Moon - Rise: 06:57, Set: 00:24. Civil Dark: 21:22 - 05:58. Nautical Dark: 22:08 - 05:12. Astro Dark: 23:01 - 04:19

Total Clouds (% Sky Obscured)

36
65
32
75
62
53
58
50
67
100
81
90
74
75
47
47
45
61
62
43
30
22
28
32

Low Clouds (% Sky Obscured)

0
0
0
23
48
46
55
47
45
76
66
82
71
69
47
45
44
60
60
43
30
22
28
32

Medium Clouds (% Sky Obscured)

27
58
29
54
30
12
0
0
34
70
28
27
0
3
0
2
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
5
10
18
15
65
86
58
63
56
39
19
23
27
33
29
12
13
12
9
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.7
0.2
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
82
82
78
74
71
69
69
63
55
48
44
42
44
44
47
55
61
62
67
73
75
75

Pressure (mb)

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

Ozone (du)

392
396
400
404
411
413
412
410
412
415
417
417
417
416
415
416
416
417
416
414
413
414
413
412

Monday 20

Waxing Crescent 14%

07:32

No Set

01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
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: 06:33, Set: 20:48, Transit: 13:40. Moon - Rise: 07:32, Set: No Set. Civil Dark: 21:24 - 05:56. Nautical Dark: 22:10 - 05:10. Astro Dark: 23:04 - 04:16

Total Clouds (% Sky Obscured)

36
36
37
44
52
53
56
52
48
42
55
70
84
82
80
76
69
75
76
70
64
63
75
86

Low Clouds (% Sky Obscured)

36
36
37
44
44
37
33
36
39
42
46
50
54
54
54
54
58
62
65
61
57
54
59
65

Medium Clouds (% Sky Obscured)

0
0
0
0
7
13
17
12
6
0
7
18
27
25
26
26
19
13
19
49
47
45
60
74

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
8

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
Light Rain

Precipitation Probability (%)

0
0
0
0
3
4
5
8
16
8
20
20
10
14
22
10
8
9
8
12
18
30
49
69

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
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
3
3
3
2
2
1
0
2
2
2
2
1
1
2
2
2
3
5

Relative Humidity (%)

76
78
79
80
82
83
86
79
71
62
54
49
47
52
53
52
51
50
51
57
63
67
73
84

Pressure (mb)

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

Ozone (du)

410
409
408
410
408
407
406
406
407
409
411
412
414
417
418
419
419
421
422
422
420
418
416
415

Tuesday 21

Waxing Crescent 23%

08:24

01:47

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 OK
21 OK
22 Good
23 Good
00 Good

Sun - Rise: 06:30, Set: 20:49, Transit: 13:40. Moon - Rise: 08:24, Set: 01:47. Civil Dark: 21:26 - 05:54. Nautical Dark: 22:13 - 05:07. Astro Dark: 23:07 - 04:13

Total Clouds (% Sky Obscured)

96
95
96
95
95
89
88
85
84
82
87
92
96
90
85
78
68
57
46
31
15
0
5
8

Low Clouds (% Sky Obscured)

70
73
76
79
72
66
57
59
70
80
84
88
91
80
70
58
54
50
46
31
15
0
0
0

Medium Clouds (% Sky Obscured)

89
63
53
54
51
54
52
51
60
47
42
38
28
25
14
8
3
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
5
8

ISS Passover

Visibility (miles)

6
5
8
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

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

Precipitation Probability (%)

64
63
54
35
31
32
34
34
34
33
45
55
66
88
71
46
39
31
20
18
13
0
0
0

Precipitation Amount (mm)

0.4
0.4
0
0
0
0
0
0
0
0
0
0.3
0.4
0.7
0.5
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
2
4
6
7
7
6
7
8
8
10
9
9
11
10
9
9
9
8
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
5
4
3
2
4
4
5
5
5
5
6
6
6
6
6
7
8
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

90
91
91
91
90
90
94
90
82
77
71
76
76
67
59
54
48
49
50
51
55
61
68
69

Pressure (mb)

1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1021
1021
1021
1022
1022
1022
1023
1023
1023

Ozone (du)

413
411
409
408
407
406
407
407
406
405
405
403
404
407
405
403
402
402
402
403
399
394
390
390

Wednesday 22

Waxing Crescent 34%

09:34

02:51

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

Sun - Rise: 06:28, Set: 20:51, Transit: 13:40. Moon - Rise: 09:34, Set: 02:51. Civil Dark: 21:28 - 05:51. Nautical Dark: 22:15 - 05:04. Astro Dark: 23:10 - 04:09

Total Clouds (% Sky Obscured)

11
27
45
58
59
52
49
55
58
65
66
75
76
54
30
9
6
4
1
1
1
1
1
1

Low Clouds (% Sky Obscured)

0
11
22
31
32
36
37
28
21
9
6
3
0
4
7
9
6
4
1
1
1
1
1
0

Medium Clouds (% Sky Obscured)

0
11
23
38
33
28
25
27
26
27
17
9
2
1
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

11
27
45
58
52
32
16
24
33
42
47
53
66
53
28
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
1
1
0
1
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
7
7
6
6
6
6
6
7
8
9
9
9
10
10
11
11
11
11
11
9
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
5
5
5
4
4
4
5
6
6
7
8
9
14
14
14
14
14
14
11
10
11
10

Dew Point (°C)

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

Relative Humidity (%)

71
74
74
74
74
71
67
66
56
48
41
39
36
36
36
37
39
43
49
55
62
68
77
78

Pressure (mb)

1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024

Ozone (du)

390
390
389
389
388
389
390
391
391
392
392
393
393
394
395
396
397
398
399
399
401
402
403
402

Thursday 23

Waxing Crescent 46%

10:57

03:34

Sun - Rise: 06:26, Set: 20:53, Transit: 13:39. Moon - Rise: 10:57, Set: 03:34. Civil Dark: 21:30 - 05:49. Nautical Dark: 22:17 - 05:02. Astro Dark: 23:13 - 04:06

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 Capelle-West, Gemeente Capelle aan den IJssel, Netherlands (51.92,4.57)

Generated: 17/04/26 01:38:32. Forecast: 17/04/26 to 23/04/26. Timezone: UTC+2.00