Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 100%

21:24

05:44

19 OK
20 OK
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 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK

Sun - Rise: 06:20, Set: 21:36, Transit: 13:57. Moon - Rise: 21:24, Set: 05:44. Civil Dark: 22:14 - 05:42. Nautical Dark: 23:04 - 04:52. Astro Dark: 00:10 - 03:48

Total Clouds (% Sky Obscured)

5
5
5
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
16
0
22

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)

3
3
3
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
13
0
14

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)

5
4
3
3
4
4
4
3
3
3
2
2
2
2
3
4
4
5
6
7
10
12
12
10

Chance of Frost

Temperature (°C)

32
31
30
27
26
25
23
22
22
21
21
20
21
22
25
28
30
32
34
36
37
38
38
38

Feels Like (°C)

33
33
30
28
27
25
24
23
23
22
22
22
22
23
26
28
30
32
34
35
34
35
35
36

Dew Point (°C)

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

Relative Humidity (%)

20
21
23
26
27
30
35
38
40
39
39
38
38
33
29
24
21
19
16
13
8
9
12
12

Pressure (mb)

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

Ozone (du)

323
323
322
321
320
318
316
316
318
318
316
315
314
317
318
319
318
316
315
317
318
318
316
316

Wednesday 29

Full Moon 100%

21:48

06:57

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

Sun - Rise: 06:21, Set: 21:34, Transit: 13:57. Moon - Rise: 21:48, Set: 06:57. Civil Dark: 22:12 - 05:44. Nautical Dark: 23:02 - 04:54. Astro Dark: 00:06 - 03:51

Total Clouds (% Sky Obscured)

2
0
0
21
18
2
10
17
13
1
31
58
36
52
76
100
100
100
100
67
99
71
32
38

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
23
44
32
38

Medium Clouds (% Sky Obscured)

1
0
0
9
8
1
5
10
9
0
19
29
34
32
22
44
82
100
80
57
98
35
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
13
46
13
16
75
100
100
100
100
30
81
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
1
5
10
9
2
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)

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

Chance of Frost

Temperature (°C)

38
37
34
31
29
26
25
23
22
21
21
20
19
20
21
23
25
26
27
28
28
29
30
30

Feels Like (°C)

35
35
33
30
28
26
25
24
23
22
21
20
20
20
21
23
24
24
25
26
26
27
29
30

Dew Point (°C)

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

Relative Humidity (%)

12
13
17
22
31
35
37
40
45
49
53
56
60
59
56
48
42
37
32
29
27
26
23
21

Pressure (mb)

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

Ozone (du)

316
318
318
318
317
313
310
308
309
310
310
311
312
313
312
312
312
312
315
318
323
331
324
320

Thursday 30

Waning Gibbous 98%

22:07

08:10

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:23, Set: 21:33, Transit: 13:57. Moon - Rise: 22:07, Set: 08:10. Civil Dark: 22:11 - 05:45. Nautical Dark: 23:00 - 04:56. Astro Dark: 00:03 - 03:54

Total Clouds (% Sky Obscured)

55
73
98
100
97
100
100
100
95
96
100
95
94
94
93
84
96
95
100
99
97
96
87
77

Low Clouds (% Sky Obscured)

51
41
36
37
41
30
33
18
21
28
33
42
58
58
51
31
20
9
17
22
26
31
20
9

Medium Clouds (% Sky Obscured)

0
0
0
3
12
14
40
100
92
73
54
87
86
84
66
71
84
90
88
83
78
75
79
41

High Clouds (% Sky Obscured)

55
65
98
100
92
100
94
98
60
85
100
49
41
40
40
58
61
79
100
96
92
87
73
55

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)

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

Chance of Frost

Temperature (°C)

30
29
27
25
24
22
21
20
20
19
19
19
18
19
20
22
24
26
27
29
29
30
30
30

Feels Like (°C)

29
28
25
22
22
20
20
19
19
19
18
18
17
18
19
20
22
25
26
27
28
29
29
29

Dew Point (°C)

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

Relative Humidity (%)

23
26
29
33
43
50
54
57
57
56
56
56
54
52
46
39
33
27
26
24
21
21
22
22

Pressure (mb)

1016
1016
1016
1017
1017
1018
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014

Ozone (du)

317
317
316
317
316
315
315
315
315
314
315
315
315
316
315
314
313
313
312
312
312
314
315
317

Friday 31

Waning Gibbous 94%

22:22

09:23

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

Sun - Rise: 06:24, Set: 21:32, Transit: 13:57. Moon - Rise: 22:22, Set: 09:23. Civil Dark: 22:09 - 05:47. Nautical Dark: 22:58 - 04:58. Astro Dark: 00:00 - 03:57

Total Clouds (% Sky Obscured)

67
64
64
64
43
56
68
68
63
62
50
49
64
57
52
47
35
25
25
44
60
80
87
95

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

64
15
25
64
16
9
4
3
3
4
1
1
0
0
0
0
0
0
0
5
9
16
23
29

High Clouds (% Sky Obscured)

16
30
30
30
23
47
68
68
60
60
49
49
61
57
52
47
35
25
25
44
53
66
77
89

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
3
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)

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

Chance of Frost

Temperature (°C)

30
29
27
26
24
23
21
20
19
19
18
18
18
18
20
23
25
27
29
31
31
32
32
32

Feels Like (°C)

27
26
25
22
21
22
21
20
20
19
18
18
18
16
19
21
22
24
27
29
29
30
30
30

Dew Point (°C)

7
9
9
9
10
12
13
13
12
12
11
11
11
11
11
9
7
6
6
6
4
4
3
2

Relative Humidity (%)

24
28
31
35
40
51
59
62
63
64
65
66
65
63
54
42
31
26
23
21
18
16
15
15

Pressure (mb)

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

Ozone (du)

319
319
323
328
326
324
321
319
318
318
318
318
318
318
318
318
318
318
318
317
318
318
319
319

Saturday 1

Waning Gibbous 88%

22:37

10:36

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:25, Set: 21:30, Transit: 13:57. Moon - Rise: 22:37, Set: 10:36. Civil Dark: 22:07 - 05:48. Nautical Dark: 22:56 - 05:00. Astro Dark: 23:57 - 04:00

Total Clouds (% Sky Obscured)

100
75
76
84
79
60
57
55
54
77
74
71
58
79
72
66
64
63
62
69
76
82
77
73

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

34
41
44
41
56
42
39
41
33
29
20
10
0
27
35
47
48
48
45
49
51
56
49
33

High Clouds (% Sky Obscured)

100
75
76
84
69
41
23
16
13
35
47
59
54
75
58
40
33
29
24
46
67
82
62
48

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
1
1
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)

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

Chance of Frost

Temperature (°C)

32
31
29
26
24
22
21
20
19
19
19
19
19
20
21
24
26
28
31
33
34
35
36
35

Feels Like (°C)

29
28
27
23
20
20
19
18
18
18
17
17
17
19
19
20
20
21
22
22
33
32
32
33

Dew Point (°C)

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

Relative Humidity (%)

15
15
18
23
26
32
38
42
45
48
47
48
47
43
36
31
27
23
21
18
17
16
15
16

Pressure (mb)

1013
1013
1013
1013
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1012
1012
1011
1010
1010
1009
1009

Ozone (du)

318
319
319
316
314
314
314
312
310
310
309
308
307
307
306
306
305
306
306
306
306
306
306
308

Sunday 2

Waning Gibbous 80%

22:50

11:50

19 Bad
20 Bad
21 Bad
22 OK
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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:27, Set: 21:29, Transit: 13:57. Moon - Rise: 22:50, Set: 11:50. Civil Dark: 22:06 - 05:50. Nautical Dark: 22:54 - 05:02. Astro Dark: 23:54 - 04:02

Total Clouds (% Sky Obscured)

70
57
43
26
44
61
80
75
69
62
72
85
100
100
99
99
93
86
76
72
76
75
76
73

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
11
18

Medium Clouds (% Sky Obscured)

20
24
19
17
10
10
10
7
4
2
13
23
33
37
42
46
36
27
19
25
28
29
29
34

High Clouds (% Sky Obscured)

31
19
10
1
28
55
80
70
62
54
69
85
100
100
99
99
93
86
76
72
67
62
59
52

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
12
14
8
18
21
21
21
20
13
10
7
0
0
0
0
3
7
7
16
18

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)

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

Chance of Frost

Temperature (°C)

35
34
32
30
28
27
25
24
23
22
21
21
21
21
23
25
27
29
31
33
34
35
35
32

Feels Like (°C)

33
34
32
31
29
29
28
28
20
20
21
20
20
20
20
21
22
24
25
26
35
34
33
33

Dew Point (°C)

6
6
4
3
1
4
6
8
9
10
12
12
13
14
12
10
8
8
9
9
9
9
8
9

Relative Humidity (%)

16
17
17
17
17
22
28
36
41
47
55
58
61
64
49
38
29
26
24
22
21
20
19
24

Pressure (mb)

1009
1009
1009
1009
1010
1010
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1010

Ozone (du)

309
310
311
311
312
312
312
313
314
315
316
316
317
317
317
317
317
318
319
320
316
311
307
305

Monday 3

Waning Gibbous 71%

23:05

13:07

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

Sun - Rise: 06:28, Set: 21:27, Transit: 13:57. Moon - Rise: 23:05, Set: 13:07. Civil Dark: 22:04 - 05:51. Nautical Dark: 22:52 - 05:04. Astro Dark: 23:51 - 04:05

Total Clouds (% Sky Obscured)

70
67
60
48
45
41
38
44
45
56
65
70
75
76
72
69
71
65
63

Low Clouds (% Sky Obscured)

27
18
10
2
2
2
2
6
7
9
13
12
19
26
41
48
55
63
57

Medium Clouds (% Sky Obscured)

39
37
31
26
20
18
9
9
5
6
5
9
9
17
20
19
22
22
22

High Clouds (% Sky Obscured)

49
54
50
48
35
20
3
15
28
45
55
60
70
50
27
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

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 (%)

14
23
26
25
21
18
9
39
31
23
38
44
45
36
25
7
6
2
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)

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

Chance of Frost

Temperature (°C)

30
29
27
26
24
23
22
22
21
21
20
20
20
19
20
22
22
24
25

Feels Like (°C)

33
34
27
26
26
26
26
26
21
21
21
20
20
19
19
20
20
21
21

Dew Point (°C)

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

Relative Humidity (%)

31
39
40
40
41
42
43
44
43
43
42
46
50
55
51
48
44
36
30

Pressure (mb)

1011
1011
1012
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1017
1017
1017
1018
1017
1017

Ozone (du)

303
302
301
300
299
299
299
298
298
297
297
297
297
297
298
298
298
298
298

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

Generated: 28/07/26 19:58:54. Forecast: 28/07/26 to 03/08/26. Timezone: UTC+2.00