Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Gibbous 95%

20:13

04:42

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 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:59, Set: 20:46, Transit: 13:52. Moon - Rise: 20:13, Set: 04:42. Civil Dark: 21:21 - 06:26. Nautical Dark: 22:03 - 05:45. Astro Dark: 22:48 - 04:59

Total Clouds (% Sky Obscured)

77
82
88
90
78
53
61
54
48
49
55
68
64
47
31
95
74
100
100
100
100
100
96
98

Low Clouds (% Sky Obscured)

75
46
55
27
25
31
24
40
29
38
55
57
51
47
31
36
24
8
6
4
3
0
1
0

Medium Clouds (% Sky Obscured)

77
71
87
90
78
53
61
44
48
39
5
4
4
0
0
0
5
3
7
100
94
95
40
80

High Clouds (% Sky Obscured)

77
57
88
90
30
0
0
0
0
2
18
53
41
20
14
91
56
100
100
100
100
100
82
97

ISS Passover

Visibility (miles)

5
8
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

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
None
None

Precipitation Probability (%)

95
95
95
75
14
4
4
11
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
11

Precipitation Amount (mm)

1
1.2
1
0.3
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
3
4
3
3
4
4
4
4
3
4
5
5
4
5
4
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

25
23
22
21
20
19
19
19
18
18
18
18
19
21
22
24
25
26
28
28
28
28
28
27

Feels Like (°C)

25
25
23
22
20
20
20
19
19
18
18
19
19
20
23
25
25
26
27
27
27
27
27
26

Dew Point (°C)

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

Relative Humidity (%)

79
81
84
84
84
81
78
75
75
74
77
76
70
63
54
47
43
39
37
34
33
32
32
36

Pressure (mb)

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

Ozone (du)

311
312
314
313
318
321
322
321
318
317
316
314
314
313
313
312
313
311
311
310
309
309
309
311

Wednesday 26

Waxing Gibbous 99%

20:29

05:56

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
19 Bad
20 Bad

Sun - Rise: 07:01, Set: 20:44, Transit: 13:52. Moon - Rise: 20:29, Set: 05:56. Civil Dark: 21:19 - 06:27. Nautical Dark: 22:00 - 05:46. Astro Dark: 22:46 - 05:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
75
63
60
67
66
75
86
100
100
100
98
100
100
100
98
92
66

Low Clouds (% Sky Obscured)

0
0
0
0
6
0
28
2
0
0
29
32
30
29
24
23
18
13
14
50
59
39
2
9

Medium Clouds (% Sky Obscured)

100
20
81
76
66
26
93
75
63
13
6
46
14
26
55
71
93
87
72
100
100
98
92
66

High Clouds (% Sky Obscured)

77
100
100
100
100
100
100
40
42
50
58
61
67
77
100
100
100
95
100
100
98
88
47
1

ISS Passover

Visibility (miles)

8
9
4
1
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
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
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
None
None

Precipitation Probability (%)

22
38
95
92
27
71
95
20
5
4
2
1
0
0
0
0
0
0
18
27
67
68
25
9

Precipitation Amount (mm)

0
0
0.8
0.6
0
0.7
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
25
24
23
23
22
21
21
21
20
20
20
21
22
23
24
25
26
26
26
25
23
21
21

Feels Like (°C)

26
24
24
23
23
22
21
23
22
20
20
20
21
21
23
24
24
25
25
24
23
24
22
21

Dew Point (°C)

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

Relative Humidity (%)

45
52
64
89
92
89
87
88
86
89
88
85
79
69
61
57
52
45
39
36
58
72
66
66

Pressure (mb)

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

Ozone (du)

310
310
308
304
312
314
315
319
320
320
320
321
323
321
319
317
316
315
315
314
314
315
318
320

Thursday 27

Waxing Gibbous 100%

20:44

07:10

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
19 Bad
20 Bad

Sun - Rise: 07:02, Set: 20:41, Transit: 13:52. Moon - Rise: 20:44, Set: 07:10. Civil Dark: 21:17 - 06:29. Nautical Dark: 21:58 - 05:48. Astro Dark: 22:43 - 05:03

Total Clouds (% Sky Obscured)

37
30
61
55
56
46
54
69
64
62
58
99
71
62
66
71
77
87
92
100
100
86
87
94

Low Clouds (% Sky Obscured)

4
4
41
55
50
46
54
43
46
51
41
56
41
41
30
31
72
30
73
79
37
20
39
41

Medium Clouds (% Sky Obscured)

7
30
61
10
8
4
7
26
24
15
15
67
22
14
26
60
17
17
24
29
96
59
21
23

High Clouds (% Sky Obscured)

26
30
40
0
24
0
7
55
50
50
48
74
52
33
20
3
10
36
2
29
30
2
0
0

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
9
5
9
6
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 (%)

19
25
8
6
14
20
13
2
0
17
39
31
19
21
51
53
45
29
25
26
20
17
4
26

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
5
6
4
3
3
5
4
4
5
5
5
7
8
9
10
12
12
13
13
13
14
13
11

Chance of Frost

Temperature (°C)

21
20
19
18
18
18
17
17
17
17
17
17
17
18
19
20
21
22
22
23
22
23
22
22

Feels Like (°C)

22
20
19
19
21
20
18
19
19
19
19
19
17
19
21
20
20
19
19
19
20
19
19
20

Dew Point (°C)

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

Relative Humidity (%)

68
71
71
71
76
76
77
79
81
85
86
86
81
72
63
54
51
47
40
42
50
48
52
60

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

323
322
320
322
322
325
328
330
333
334
334
334
336
336
337
342
344
341
340
337
335
337
337
337

Friday 28

Full Moon 99%

20:58

08:24

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
19 Bad
20 Bad

Sun - Rise: 07:04, Set: 20:39, Transit: 13:52. Moon - Rise: 20:58, Set: 08:24. Civil Dark: 21:15 - 06:30. Nautical Dark: 21:56 - 05:50. Astro Dark: 22:40 - 05:05

Total Clouds (% Sky Obscured)

77
66
58
65
63
66
78
100
100
100
100
99
96
99
99
99
99
87
76
62
65
66
67
80

Low Clouds (% Sky Obscured)

36
36
32
49
52
44
42
42
26
13
7
4
44
67
97
98
99
87
70
45
55
58
61
68

Medium Clouds (% Sky Obscured)

34
25
23
16
11
6
3
0
11
25
96
57
80
97
86
81
69
72
76
62
11
12
8
15

High Clouds (% Sky Obscured)

0
0
1
2
5
35
61
100
100
100
100
80
53
45
45
50
1
0
0
0
0
0
11
4

ISS Passover

Visibility (miles)

5
3
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
4
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
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

61
47
33
21
3
1
1
0
2
3
4
10
23
35
68
95
95
84
71
37
24
10
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
20
20
19
19
18
18
18
17
17
17
18
18
18
19
20
21
22
24
25
24
24
23

Feels Like (°C)

18
19
19
19
17
17
17
17
16
15
16
15
15
15
16
17
18
19
19
22
23
23
22
21

Dew Point (°C)

15
17
17
17
16
15
15
15
15
14
14
14
13
12
13
15
17
18
17
21
20
20
20
19

Relative Humidity (%)

67
79
81
82
81
80
82
83
83
83
83
81
74
67
69
76
82
84
75
84
76
76
78
76

Pressure (mb)

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

Ozone (du)

334
331
328
324
321
317
314
308
305
303
302
300
297
298
300
298
300
300
302
301
303
300
301
299

Saturday 29

Waning Gibbous 96%

20:58

09:39

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
19 Bad
20 Bad

Sun - Rise: 07:05, Set: 20:37, Transit: 13:51. Moon - Rise: 20:58, Set: 09:39. Civil Dark: 21:13 - 06:32. Nautical Dark: 21:53 - 05:52. Astro Dark: 22:38 - 05:08

Total Clouds (% Sky Obscured)

54
69
52
67
50
65
74
99
94
95
99
95
91
87
89
91
92
96
98
100
90
80
69
76

Low Clouds (% Sky Obscured)

24
33
20
9
47
65
51
29
34
21
21
7
5
3
0
0
0
1
3
4
7
10
13
33

Medium Clouds (% Sky Obscured)

20
25
17
8
0
0
0
0
4
8
13
13
27
40
56
74
90
90
93
95
90
80
69
76

High Clouds (% Sky Obscured)

1
1
1
20
20
37
60
98
92
91
98
89
80
72
63
53
47
67
85
100
90
80
65
70

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
8
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
Very Light Rain
Light Rain

Precipitation Probability (%)

0
1
1
3
0
1
1
0
0
0
0
4
4
0
1
1
0
0
2
4
22
47
68
85

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
0.2
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
21
20
20
19
18
18
17
16
16
16
16
18
19
20
21
23
24
25
25
25
24
23
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
85
88
86
86
88
88
89
90
90
90
86
77
70
62
56
51
47
44
42
40
49
60
73

Pressure (mb)

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

Ozone (du)

299
298
297
296
295
294
294
294
294
293
292
292
292
291
291
292
293
295
295
295
296
298
300
302

Sunday 30

Waning Gibbous 91%

21:13

10:56

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

Sun - Rise: 07:06, Set: 20:35, Transit: 13:51. Moon - Rise: 21:13, Set: 10:56. Civil Dark: 21:10 - 06:34. Nautical Dark: 21:51 - 05:53. Astro Dark: 22:35 - 05:10

Total Clouds (% Sky Obscured)

82
89
78
65
54
54
56
57
52
46
41
53
62
68
61
55
49
52
65
77
85
92
97
92

Low Clouds (% Sky Obscured)

52
70
60
49
38
27
17
6
10
18
24
39
54
68
61
55
49
52
42
28
44
60
77
53

Medium Clouds (% Sky Obscured)

82
89
62
30
0
0
0
0
0
0
0
18
36
55
61
55
49
52
65
77
69
51
33
37

High Clouds (% Sky Obscured)

70
70
54
36
22
27
32
37
25
16
6
18
25
25
20
25
25
18
21
27
40
52
65
55

ISS Passover

Visibility (miles)

8
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

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

Precipitation Probability (%)

85
66
53
45
30
23
17
4
5
2
0
7
8
7
25
32
36
30
25
14
16
13
0
0

Precipitation Amount (mm)

0.5
0.2
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
13
11
11
11
11
11
11
11
11
11
11
12
12
13
13
13
12
12
12
12
11
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
16
17
17
16
16
16
15
16
15
15
14
15
15
15
16
17
18
18
18
18
18
19

Dew Point (°C)

16
16
15
15
15
14
14
13
13
12
12
12
12
12
12
12
13
13
11
10
9
9
9
9

Relative Humidity (%)

75
76
77
80
81
81
81
81
79
79
79
79
75
70
66
63
62
61
53
46
41
42
44
46

Pressure (mb)

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

Ozone (du)

305
309
313
315
317
320
321
323
324
322
319
317
314
312
309
309
308
308
309
311
312
313
314
315

Monday 31

Waning Gibbous 83%

21:29

12:16

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 OK
11 OK
12 OK
13 OK

Sun - Rise: 07:08, Set: 20:33, Transit: 13:51. Moon - Rise: 21:29, Set: 12:16. Civil Dark: 21:08 - 06:35. Nautical Dark: 21:48 - 05:55. Astro Dark: 22:32 - 05:12

Total Clouds (% Sky Obscured)

84
75
67
57
46
61
79
100
93
86
79
64
51
33
30
27
25

Low Clouds (% Sky Obscured)

29
5
4
2
0
1
1
4
4
4
4
7
8
10
4
2
0

Medium Clouds (% Sky Obscured)

43
48
39
30
17
13
13
9
3
2
1
1
1
1
2
2
5

High Clouds (% Sky Obscured)

45
25
25
26
26
54
77
100
92
85
79
52
27
2
2
3
4

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 (%)

0
0
0
0
0
0
1
2
6
6
3
6
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
17
17
17
16
16
16
15
15
15
15
17
18
20
21
23

Feels Like (°C)

18
18
18
17
17
17
16
16
16
16
15
15
15
16
17
18
18

Dew Point (°C)

9
10
10
10
10
10
10
10
11
11
11
11
10
10
10
10
9

Relative Humidity (%)

51
56
62
62
63
64
66
69
73
73
74
75
66
59
53
47
41

Pressure (mb)

1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1021
1021

Ozone (du)

315
315
314
311
308
305
305
305
305
305
306
306
304
302
300
299
298

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

Generated: 25/08/26 21:15:19. Forecast: 25/08/26 to 31/08/26. Timezone: UTC+2.00