Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waxing Gibbous 92%

17:17

06:00

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

Sun - Rise: 06:46, Set: 20:51, Transit: 13:49. Moon - Rise: 17:17, Set: 06:00. Civil Dark: 21:25 - 06:11. Nautical Dark: 22:08 - 05:29. Astro Dark: 22:56 - 04:40

Total Clouds (% Sky Obscured)

43
46
49
52
93
93
95
93
81
88
72
71
40
18
10
16
12
34
45
49
58
49
25
95

Low Clouds (% Sky Obscured)

58
57
46
48
93
88
89
93
78
77
72
69
37
23
17
12
9
31
42
46
54
48
15
93

Medium Clouds (% Sky Obscured)

0
0
0
0
0
6
21
0
20
48
2
2
0
0
0
0
0
0
0
0
0
3
3
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
0
0
0
0
0
3
3
3
1
6
6
1
6
5
8

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
8
21
18
8
5
16
6
1
2
0
0
0
0
0
0
0
0
0
0
1
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
75
70
62
54
52
56
50
53
46
53
53
56
58
65
69
71
73
75
76
76
77
73
67

Pressure (mb)

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

Ozone (du)

375
377
379
380
382
383
383
382
381
378
376
374
374
373
371
371
372
374
378
384
389
394
397
397

Sunday 21

Waxing Gibbous 96%

18:24

06:12

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

Sun - Rise: 06:44, Set: 20:53, Transit: 13:49. Moon - Rise: 18:24, Set: 06:12. Civil Dark: 21:27 - 06:09. Nautical Dark: 22:10 - 05:26. Astro Dark: 22:58 - 04:38

Total Clouds (% Sky Obscured)

74
64
59
35
96
78
32
75
90
64
73
30
28
19
1
3
5
32
3
5
31
46
51
48

Low Clouds (% Sky Obscured)

61
62
60
33
80
54
31
57
63
44
30
30
31
24
0
1
1
2
1
5
22
34
43
52

Medium Clouds (% Sky Obscured)

0
0
0
0
60
39
0
27
41
33
38
0
0
1
0
0
0
36
0
0
22
40
22
0

High Clouds (% Sky Obscured)

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

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 (%)

21
17
7
19
25
25
23
4
18
4
4
6
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
69
74
62
52
55
52
44
45
53
48
51
51
57
60
64
66
68
73
76
79
79
79
80

Pressure (mb)

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

Ozone (du)

393
392
394
400
409
417
424
424
423
421
423
426
424
427
424
423
429
437
439
438
444
451
453
443

Monday 22

Waxing Gibbous 99%

19:32

06:25

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

Sun - Rise: 06:42, Set: 20:54, Transit: 13:49. Moon - Rise: 19:32, Set: 06:25. Civil Dark: 21:29 - 06:07. Nautical Dark: 22:12 - 05:24. Astro Dark: 23:00 - 04:35

Total Clouds (% Sky Obscured)

69
51
33
38
43
75
95
99
63
81
99
100
100
100
100
100
30
40
75
83
91
100
100
100

Low Clouds (% Sky Obscured)

79
54
34
40
25
45
44
13
54
61
62
43
51
24
28
10
11
30
24
38
59
69
72
78

Medium Clouds (% Sky Obscured)

0
2
0
0
25
44
54
57
34
62
46
71
99
93
100
100
25
23
71
81
90
99
99
100

High Clouds (% Sky Obscured)

3
5
6
0
4
0
19
4
56
57
98
69
60
100
96
48
50
49
49
60
65
3
18
45

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
1

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
0
0
0
2
5
10
19
23
13
12
2
0
0
1
5
8
12
31
53
73

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
2
3
4
6
6
6
7
6
5
6
5
5
4
2
3
2
1
1
1
1
-1
0

Dew Point (°C)

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

Relative Humidity (%)

79
76
66
53
49
43
39
36
34
33
33
35
40
46
63
70
71
71
71
69
69
69
77
94

Pressure (mb)

1026
1026
1026
1026
1026
1026
1025
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1020
1020
1019
1019
1018

Ozone (du)

442
443
440
438
432
434
433
433
432
428
427
427
427
425
422
420
416
412
411
411
412
414
415
415

Tuesday 23

Waxing Gibbous 100%

20:42

06:39

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

Sun - Rise: 06:40, Set: 20:56, Transit: 13:49. Moon - Rise: 20:42, Set: 06:39. Civil Dark: 21:30 - 06:05. Nautical Dark: 22:14 - 05:22. Astro Dark: 23:03 - 04:32

Total Clouds (% Sky Obscured)

100
100
100
100
95
91
86
91
95
100
86
61
33
54
52
60
60
49
34
20
41
65
73
84

Low Clouds (% Sky Obscured)

83
81
81
81
81
82
82
70
61
47
40
24
10
20
16
15
11
7
2
7
14
21
30
41

Medium Clouds (% Sky Obscured)

99
100
100
100
56
22
0
23
47
65
50
30
10
8
5
0
2
23
14
13
24
41
52
64

High Clouds (% Sky Obscured)

65
15
65
50
26
0
2
3
5
5
4
4
6
5
37
65
65
59
34
3
4
3
3
3

ISS Passover

Visibility (miles)

0
0
3
2
1
0
0
0
7
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

76
65
71
88
75
63
50
43
42
34
24
18
13
1
2
0
0
0
0
0
3
16
24
10

Precipitation Amount (mm)

0.5
0.2
0.3
0.8
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
94
94
94
94
94
91
85
82
79
74
75
81
83
83
80
80
83
86
86
86
91

Pressure (mb)

1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1018
1018
1018
1018
1017
1017
1017

Ozone (du)

413
412
410
410
415
416
415
411
410
408
409
408
409
409
409
409
408
408
409
410
409
410
410
411

Wednesday 24

Full Moon 99%

21:55

06:58

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:38, Set: 20:57, Transit: 13:49. Moon - Rise: 21:55, Set: 06:58. Civil Dark: 21:32 - 06:03. Nautical Dark: 22:16 - 05:20. Astro Dark: 23:05 - 04:29

Total Clouds (% Sky Obscured)

94
85
94
100
93
88
78
81
85
88
93
86
98
91
87
81
71
64
56
52
49
48
54
59

Low Clouds (% Sky Obscured)

48
61
80
100
87
74
57
58
62
66
70
63
75
40
51
60
53
46
38
43
46
50
53
58

Medium Clouds (% Sky Obscured)

77
69
57
52
40
36
21
19
19
20
18
20
22
23
18
17
15
10
9
8
5
0
0
0

High Clouds (% Sky Obscured)

3
3
3
6
5
3
3
7
9
15
18
28
29
12
7
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
4
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
13
17
28
45
50
55
56
51
43
37
35
14
14
12
7
7
6
3
3
2
1
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
3
4
6
6
7
6
7
9
9
11
10
10
9
7
6
5
4
4
3
3
2
2
2

Chance of Frost

Temperature (°C)

2
2
4
5
7
7
8
9
10
10
10
10
9
8
8
7
6
6
5
5
4
4
3
4

Feels Like (°C)

-1
0
3
3
4
4
5
7
7
6
5
5
6
4
5
4
4
4
4
4
2
2
3
2

Dew Point (°C)

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

Relative Humidity (%)

93
88
76
70
70
75
71
57
55
49
50
52
54
55
61
66
72
74
78
79
79
80
80
79

Pressure (mb)

1017
1017
1017
1017
1016
1016
1016
1015
1014
1014
1013
1013
1013
1013
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014

Ozone (du)

411
412
413
413
413
414
415
416
416
416
416
415
415
416
418
419
421
422
423
424
426
427
428
429

Thursday 25

Waning Gibbous 96%

23:10

06:58

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
01 Bad
02 Bad
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 06:36, Set: 20:59, Transit: 13:49. Moon - Rise: 23:10, Set: 06:58. Civil Dark: 21:34 - 06:01. Nautical Dark: 22:18 - 05:17. Astro Dark: 23:08 - 04:26

Total Clouds (% Sky Obscured)

65
70
75
82
84
87
94
89
84
79
82
88
95
88
83
77
74
70
67
50
35
22
35
47

Low Clouds (% Sky Obscured)

62
69
75
81
82
82
84
71
62
48
39
30
24
23
20
20
25
29
33
23
13
2
2
1

Medium Clouds (% Sky Obscured)

0
0
0
0
13
23
35
29
24
18
18
18
17
19
20
19
26
30
27
25
12
1
10
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
18
33
45
37
31
25
16
12
8
12
17
21
22
25

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
11
16
19
18
16
13
11
9
2
6
6
3
8
7
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
3
4
5
6
6
7
7
7
7
6
6
5
4
3
3
2
2
2
2
2
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
75
67
61
54
48
43
37
38
37
37
40
44
48
54
61
67
71
75
76
77
79
80
77

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

429
429
429
429
429
431
432
434
436
437
439
438
438
437
437
437
437
436
434
433
430
428
425
426

Friday 26

Waning Gibbous 91%

00:25

07:22

07 Bad
08 OK
09 OK
10 OK
11 OK
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 OK
01 OK

Sun - Rise: 06:35, Set: 21:00, Transit: 13:48. Moon - Rise: 00:25, Set: 07:22. Civil Dark: 21:35 - 05:59. Nautical Dark: 22:19 - 05:15. Astro Dark: 23:10 - 04:24

Total Clouds (% Sky Obscured)

53
44
36
31
40
53
61
60
58
56
52
53
55
66
72
72
59
43
26

Low Clouds (% Sky Obscured)

1
4
6
8
12
17
24
26
23
25
31
39
43
41
38
31
29
30
27

Medium Clouds (% Sky Obscured)

24
25
20
18
23
31
37
43
37
34
38
38
34
24
18
16
12
7
2

High Clouds (% Sky Obscured)

28
20
12
4
4
4
4
5
6
7
7
6
5
12
17
21
15
10
4

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
1
3
4
2
6
6
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
5
6
7
8
8
14
14
13
13
14
13
10
9
8
8
7

Dew Point (°C)

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

Relative Humidity (%)

76
75
66
59
53
46
41
36
34
33
32
34
38
42
45
48
53
56
60

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1009
1008
1008

Ozone (du)

426
427
426
426
425
425
424
424
422
420
418
419
419
419
421
422
424
423
423

Forecast for Butry-sur-Oise, Val d'Oise, France (49.09,2.20)

Generated: 20/04/24 07:02:39. Forecast: 20/04/24 to 26/04/24. Timezone: UTC+2.00