Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 16

Waning Crescent 2%

06:14

19:44

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Good
18 OK
19 OK
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

Sun - Rise: 06:37, Set: 20:39, Transit: 13:39. Moon - Rise: 06:14, Set: 19:44. Civil Dark: 21:15 - 06:00. Nautical Dark: 22:01 - 05:15. Astro Dark: 22:52 - 04:23

Total Clouds (% Sky Obscured)

84
82
86
96
88
67
45
3
19
41
63
90
97
96
98
67
95
95
91
100
100
100
76
71

Low Clouds (% Sky Obscured)

55
44
69
76
46
42
22
0
0
0
0
0
33
16
2
11
12
40
36
24
0
0
0
7

Medium Clouds (% Sky Obscured)

60
26
21
30
48
31
22
0
8
23
42
59
80
81
80
67
60
72
27
68
86
84
76
51

High Clouds (% Sky Obscured)

19
82
86
96
64
5
4
2
10
13
22
67
81
75
92
37
85
85
32
100
100
100
9
19

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
11
2
1
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)

11
12
12
12
12
12
11
11
9
6
5
4
3
2
2
3
3
3
4
4
4
4
3
4

Chance of Frost

Temperature (°C)

15
16
16
16
17
17
17
17
17
16
14
12
11
11
10
10
10
9
9
9
9
9
10
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
59
54
54
52
49
49
49
54
63
70
75
79
80
81
83
80
78
77
78
80
78
76
70

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

388
384
385
385
386
385
383
381
376
372
369
367
367
365
364
363
361
361
362
363
364
366
368
368

Friday 17

New Moon 0%

06:31

21:15

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:35, Set: 20:41, Transit: 13:39. Moon - Rise: 06:31, Set: 21:15. Civil Dark: 21:17 - 05:58. Nautical Dark: 22:03 - 05:12. Astro Dark: 22:55 - 04:20

Total Clouds (% Sky Obscured)

97
100
100
92
100
100
100
100
98
93
84
79
86
98
91
90
92
74
91
79
98
90
90
93

Low Clouds (% Sky Obscured)

0
0
0
0
9
38
33
39
41
47
37
33
17
15
5
4
2
0
26
35
13
7
0
37

Medium Clouds (% Sky Obscured)

30
47
48
41
43
51
60
50
40
31
44
31
37
57
56
59
51
33
48
45
98
90
90
90

High Clouds (% Sky Obscured)

84
96
95
84
100
100
80
78
59
27
22
11
86
83
63
7
76
57
60
38
6
19
9
10

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
2
7
11
10
7
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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

Chance of Frost

Temperature (°C)

14
16
16
17
18
19
18
18
18
16
15
13
12
11
12
11
11
10
9
9
9
9
10
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
63
69
64
54
53
65
62
63
69
70
70
70
72
66
66
69
74
78
81
81
81
77
73

Pressure (mb)

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

Ozone (du)

366
365
365
364
362
361
360
360
360
361
364
364
365
364
363
362
361
361
361
359
359
362
363
363

Saturday 18

Waxing Crescent 2%

06:54

22:49

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

Sun - Rise: 06:32, Set: 20:43, Transit: 13:39. Moon - Rise: 06:54, Set: 22:49. Civil Dark: 21:19 - 05:56. Nautical Dark: 22:05 - 05:10. Astro Dark: 22:58 - 04:16

Total Clouds (% Sky Obscured)

94
94
100
100
98
98
82
39
9
0
0
0
6
13
15
18
22
24
25
23
23
19
32
47

Low Clouds (% Sky Obscured)

51
60
79
83
76
83
58
39
9
0
0
0
6
13
15
18
22
24
25
23
23
19
31
40

Medium Clouds (% Sky Obscured)

89
88
100
100
92
93
65
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
18

High Clouds (% Sky Obscured)

14
10
5
8
5
5
8
1
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
45
75
82
78
60
48
9
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.4
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
67
61
57
59
65
82
95
93
81
80
85
88
90
90
90
91
91
93
93
93
93
88
80

Pressure (mb)

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

Ozone (du)

364
366
367
368
369
374
377
379
382
380
382
386
388
392
395
397
403
406
408
408
409
408
410
412

Sunday 19

Waxing Crescent 6%

07:29

00:23

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 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:30, Set: 20:44, Transit: 13:38. Moon - Rise: 07:29, Set: 00:23. Civil Dark: 21:21 - 05:54. Nautical Dark: 22:07 - 05:07. Astro Dark: 23:01 - 04:13

Total Clouds (% Sky Obscured)

63
72
82
84
88
90
92
79
62
39
34
44
59
54
48
37
46
53
62
69
81
92
93
92

Low Clouds (% Sky Obscured)

49
56
63
71
66
58
53
49
34
23
33
44
56
51
46
37
46
52
58
60
62
64
69
74

Medium Clouds (% Sky Obscured)

30
21
11
2
12
23
87
77
62
39
3
6
10
7
4
0
7
14
21
32
41
47
53
54

High Clouds (% Sky Obscured)

0
0
0
0
0
4
70
50
24
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 (%)

1
17
20
18
18
20
23
20
13
2
0
1
0
0
0
0
4
5
4
21
23
25
27
29

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

Chance of Frost

Temperature (°C)

11
12
13
13
13
13
13
13
12
11
10
8
7
6
5
5
5
4
4
4
5
5
7
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
58
53
52
55
54
53
61
62
64
64
70
76
82
86
89
89
89
91
91
93
93
85
75

Pressure (mb)

1025
1026
1025
1025
1025
1025
1024
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024
1023
1023
1022
1022
1022
1022

Ozone (du)

411
408
408
406
405
404
405
406
409
410
411
410
409
409
408
408
407
403
402
403
405
409
415
423

Monday 20

Waxing Crescent 14%

08:21

01:46

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 Good
23 OK
00 Bad
01 Bad
02 OK
03 OK
04 Good
05 Good
06 Good
07 Good
08 OK
09 OK

Sun - Rise: 06:28, Set: 20:46, Transit: 13:38. Moon - Rise: 08:21, Set: 01:46. Civil Dark: 21:23 - 05:51. Nautical Dark: 22:09 - 05:04. Astro Dark: 23:04 - 04:09

Total Clouds (% Sky Obscured)

78
91
87
82
89
91
94
92
88
87
61
32
10
23
44
53
37
21
5
2
2
3
20
40

Low Clouds (% Sky Obscured)

74
78
77
72
78
83
86
75
65
56
40
22
10
17
35
37
26
14
5
2
2
2
18
35

Medium Clouds (% Sky Obscured)

51
43
36
29
31
32
33
38
41
43
32
25
10
12
13
18
12
5
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
8
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 (%)

27
33
29
25
26
33
32
36
42
31
16
12
0
1
2
0
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
58
55
51
46
45
46
52
60
78
80
84
79
78
87
84
81
79
76
76
73
72
69
58

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1021
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1025
1025
1025
1025

Ozone (du)

427
429
427
426
423
420
416
412
408
406
406
402
402
403
404
402
398
399
399
400
403
405
408
407

Tuesday 21

Waxing Crescent 23%

09:31

02:50

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 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK

Sun - Rise: 06:26, Set: 20:48, Transit: 13:38. Moon - Rise: 09:31, Set: 02:50. Civil Dark: 21:25 - 05:49. Nautical Dark: 22:12 - 05:02. Astro Dark: 23:07 - 04:06

Total Clouds (% Sky Obscured)

54
53
52
55
59
67
71
66
66
70
71
76
81
78
70
58
51
47
43
43
36
32
34
44

Low Clouds (% Sky Obscured)

53
52
52
51
41
37
32
32
30
27
21
11
1
0
0
0
0
1
1
1
0
0
0
0

Medium Clouds (% Sky Obscured)

1
2
8
12
25
35
45
42
40
37
49
47
50
41
29
25
25
25
28
28
29
29
34
36

High Clouds (% Sky Obscured)

0
0
0
0
33
67
71
66
66
61
63
64
70
52
33
15
10
6
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
1
2
0
1
1
0
0
0
0
0
1

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

Chance of Frost

Temperature (°C)

8
10
11
12
13
13
13
13
12
11
11
9
8
7
7
6
6
5
4
4
4
4
4
6

Feels Like (°C)

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

Dew Point (°C)

-2
-3
-3
-3
-2
-1
0
1
1
2
3
2
2
2
1
1
1
0
0
0
0
-0
-1
-1

Relative Humidity (%)

49
42
39
37
36
38
40
42
46
51
57
60
63
66
69
70
71
72
75
77
75
72
71
59

Pressure (mb)

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

Ozone (du)

406
406
408
410
413
410
407
405
403
401
400
401
402
403
403
403
403
402
402
402
405
408
411
411

Wednesday 22

Waxing Crescent 34%

No Rise

03:33

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

Sun - Rise: 06:24, Set: 20:49, Transit: 13:38. Moon - Rise: No Rise, Set: 03:33. Civil Dark: 21:27 - 05:47. Nautical Dark: 22:14 - 04:59. Astro Dark: 23:10 - 04:03

Total Clouds (% Sky Obscured)

46
49
56
54
53
56
59
45
34
18
13
7
1
0
0
0
6
11
19
13
6
0

Low Clouds (% Sky Obscured)

0
0
0
0
4
8
13
14
13
14
10
6
0
0
0
0
6
11
19
13
6
0

Medium Clouds (% Sky Obscured)

42
41
44
46
52
45
46
33
16
4
2
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
2
4
6
4
2
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

Fog (%)

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

Precipitation Probability (%)

1
3
2
0
1
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

Wind Speed/Direction (mph)

11
11
12
13
13
13
13
13
11
10
8
9
9
9
8
7
6
6
5
5
5
4

Chance of Frost

Temperature (°C)

8
10
11
12
13
14
14
14
13
12
11
10
9
7
6
6
5
5
4
4
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
42
38
34
30
32
34
36
43
53
63
66
69
74
75
78
80
82
85
88
86
86

Pressure (mb)

1024
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

410
409
407
404
402
400
397
395
393
391
389
386
383
380
378
376
374
371
369
367
364
362

Forecast for De Meern, Gemeente Utrecht, Netherlands (52.08,5.03)

Generated: 16/04/26 10:22:39. Forecast: 16/04/26 to 22/04/26. Timezone: UTC+2.00