Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 21

Waxing Gibbous 79%

16:54

03:43

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 OK
19 OK
20 Good
21 OK
22 Bad
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:21, Set: 18:49, Transit: 13:35. Moon - Rise: 16:54, Set: 03:43. Civil Dark: 19:21 - 07:49. Nautical Dark: 19:58 - 07:12. Astro Dark: 20:35 - 06:36

Total Clouds (% Sky Obscured)

93
96
97
100
100
100
100
74
81
74
46
36
32
24
13
6
35
64
34
78
92
58
83
77

Low Clouds (% Sky Obscured)

72
96
88
94
72
45
74
66
71
57
44
36
32
24
13
1
20
43
27
13
39
37
59
63

Medium Clouds (% Sky Obscured)

93
96
97
100
100
100
66
65
70
44
2
2
4
3
0
2
23
37
15
74
58
31
65
57

High Clouds (% Sky Obscured)

74
96
97
100
100
100
100
55
55
0
0
0
0
0
0
0
0
0
0
6
50
15
5
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
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

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

Precipitation Probability (%)

47
60
67
46
19
33
38
30
50
60
33
31
22
5
6
2
3
6
1
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.3
0.3
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
79
80
81
72
75
73
62
55
56
49
54
58
61
62
63
64
63
62
63
65
67
68

Pressure (mb)

1007
1006
1005
1005
1005
1006
1007
1008
1009
1009
1010
1011
1012
1013
1014
1015
1016
1016
1017
1017
1017
1017
1017
1016

Ozone (du)

275
275
279
282
283
284
285
284
290
295
299
302
303
303
306
304
304
306
304
304
306
304
303
303

Thursday 22

Waxing Gibbous 87%

17:09

04:57

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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:23, Set: 18:47, Transit: 13:35. Moon - Rise: 17:09, Set: 04:57. Civil Dark: 19:20 - 07:51. Nautical Dark: 19:56 - 07:14. Astro Dark: 20:33 - 06:37

Total Clouds (% Sky Obscured)

89
66
100
70
95
99
100
100
100
100
100
98
99
100
98
100
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
54
49
45
81
78
92
88
82
77
87
70
56
42
63
68
70
81
82
90
67
46
46
85

Medium Clouds (% Sky Obscured)

75
38
100
47
48
60
83
57
64
40
82
89
83
96
91
94
92
99
99
100
100
100
100
100

High Clouds (% Sky Obscured)

5
2
0
0
4
36
60
78
73
100
85
53
86
94
85
100
63
97
100
100
100
81
100
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
3
9
9
7
9
8
9
9
9
9
9
9
9
9
9
9
6
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain

Precipitation Probability (%)

0
2
10
30
39
58
32
21
25
28
28
21
10
5
8
7
31
36
51
34
49
36
92
95

Precipitation Amount (mm)

0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
73
74
76
75
81
76
73
67
65
62
61
63
63
67
70
75
79
80
79
76
75
73

Pressure (mb)

1016
1016
1015
1015
1016
1016
1016
1017
1016
1016
1016
1015
1015
1015
1015
1015
1014
1014
1013
1012
1011
1010
1009
1007

Ozone (du)

300
299
300
302
301
298
295
291
290
287
281
277
275
273
271
271
271
270
271
271
270
269
273
282

Friday 23

Waxing Gibbous 94%

17:24

04:57

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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:25, Set: 18:45, Transit: 13:35. Moon - Rise: 17:24, Set: 04:57. Civil Dark: 19:18 - 07:52. Nautical Dark: 19:55 - 07:15. Astro Dark: 20:31 - 06:39

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
99
99
96
97
91
99
100
100
94
98
96
93
72
76
72
60
71

Low Clouds (% Sky Obscured)

83
70
88
82
82
89
94
92
97
90
80
65
69
84
83
63
73
73
72
66
71
60
48
47

Medium Clouds (% Sky Obscured)

100
97
81
100
100
100
85
57
61
51
56
83
99
100
99
85
94
88
83
45
25
25
12
18

High Clouds (% Sky Obscured)

91
35
2
100
100
67
76
87
30
34
11
0
2
0
22
72
20
3
0
0
0
22
44
66

ISS Passover

Visibility (miles)

2
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
7
8
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
None
None
None
None
Very Light Rain
None
None
None
None
None
None
Very Light Rain
None
None
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
50
33
24
45
60
26
17
31
31
46
62
58
42
37
55
35
33
30
39
38
31
21
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
17
20
19
19
22
22
24
25
24
24
24
22
20
19
17
15
16
15
14
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
71
68
71
73
75
75
70
66
65
63
64
66
55
56
60
59
62
67
70
73
77
80

Pressure (mb)

1006
1004
1003
1002
1002
1002
1002
1003
1004
1005
1006
1007
1008
1010
1011
1012
1013
1014
1015
1016
1016
1017
1017
1017

Ozone (du)

290
298
305
300
305
306
307
306
302
302
305
313
314
313
314
318
321
323
323
322
323
325
326
326

Saturday 24

Waxing Gibbous 98%

17:40

06:14

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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:26, Set: 18:44, Transit: 13:35. Moon - Rise: 17:40, Set: 06:14. Civil Dark: 19:16 - 07:54. Nautical Dark: 19:53 - 07:17. Astro Dark: 20:30 - 06:40

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
83

Low Clouds (% Sky Obscured)

49
63
64
65
65
66
69
69
74
78
83
88
89
90
90
93
93
94
93
93
94
83
80
83

Medium Clouds (% Sky Obscured)

64
71
77
84
92
100
99
98
98
98
99
98
100
100
99
93
100
100
100
100
100
100
100
83

High Clouds (% Sky Obscured)

64
68
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
68

ISS Passover

Visibility (miles)

9
6
9
6
7
6
8
9
9
9
7
9
9
9
9
9
9
6
3
3
2
6
7
2

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

Precipitation Probability (%)

33
32
42
42
44
38
39
46
46
58
62
76
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0.2
0.3
0.5
0.8
1.3
1.8
2.2
2.5
2.4
2.3
2
1.8
0.6
0.7
0.7

Wind Speed/Direction (mph)

12
11
11
10
10
10
10
10
10
10
11
10
10
11
12
13
13
14
14
15
15
17
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
79
81
84
85
83
80
76
76
80
81
77
73
72
79
81
86
89
87
89
89
92
90

Pressure (mb)

1017
1018
1018
1018
1018
1018
1019
1018
1018
1017
1016
1015
1014
1013
1012
1011
1009
1008
1006
1005
1004
1002
1002
1002

Ozone (du)

324
321
317
313
311
309
308
307
304
302
301
299
296
294
291
289
286
285
280
279
277
279
278
276

Sunday 25

Waxing Gibbous 100%

16:58

06:34

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

Sun - Rise: 07:28, Set: 17:42, Transit: 12:35. Moon - Rise: 16:58, Set: 06:34. Civil Dark: 18:14 - 06:55. Nautical Dark: 18:51 - 06:18. Astro Dark: 19:28 - 05:41

Total Clouds (% Sky Obscured)

69
57
64
73
79
67
49
60
42
26
16
26
38
43
34
41
44
46
51
57
68
80
91
92

Low Clouds (% Sky Obscured)

69
57
64
73
79
60
19
36
22
12
13
16
23
29
25
27
25
19
11
2
3
3
3
11

Medium Clouds (% Sky Obscured)

69
57
24
55
55
11
14
27
19
11
0
3
5
9
3
7
12
18
19
26
27
27
24
43

High Clouds (% Sky Obscured)

37
10
15
5
0
0
0
0
0
0
0
0
0
0
8
15
17
20
25
30
44
54
60
37

ISS Passover

Visibility (miles)

7
7
9
2
6
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

Very Light Rain
None
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 (%)

60
48
80
77
25
17
20
21
18
15
15
11
9
0
0
0
0
3
3
3
1
0
0
13

Precipitation Amount (mm)

0.2
0
0.5
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)

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

Chance of Frost

Temperature (°C)

14
13
13
12
12
13
13
14
14
15
15
14
14
13
12
12
11
11
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
89
92
76
69
61
58
56
50
47
49
54
57
57
59
59
61
62
66
67
67
67
68

Pressure (mb)

1002
1003
1003
1004
1006
1007
1008
1009
1010
1010
1011
1012
1013
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

275
273
274
273
274
278
283
284
284
289
289
285
280
277
277
277
277
278
276
275
273
272
271
269

Monday 26

Full Moon 99%

17:20

07:58

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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:29, Set: 17:40, Transit: 12:35. Moon - Rise: 17:20, Set: 07:58. Civil Dark: 18:13 - 06:57. Nautical Dark: 18:50 - 06:20. Astro Dark: 19:26 - 05:43

Total Clouds (% Sky Obscured)

93
96
97
97
98
87
77
70
79
87
92
90
88
82
74
73
75
75
74
69
74
84
93
82

Low Clouds (% Sky Obscured)

20
29
40
44
48
52
56
62
72
83
90
85
78
73
69
63
51
46
42
38
51
69
87
82

Medium Clouds (% Sky Obscured)

62
80
85
87
91
77
65
57
58
58
54
52
54
56
46
40
34
42
46
50
44
43
37
21

High Clouds (% Sky Obscured)

29
24
32
41
48
38
34
31
34
33
31
27
22
18
11
5
0
0
0
0
1
3
4
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

16
23
35
38
34
27
20
12
20
21
17
21
21
18
10
3
5
31
50
64
62
53
37
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
11
11
12
12
13
14
14
15
15
14
14
14
14
13
13
14
14
14
14
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
70
70
67
65
62
63
64
67
69
69
70
70
69
69
72
75
80
83
89
92
90
90
89

Pressure (mb)

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

Ozone (du)

268
267
266
265
265
265
264
263
262
262
261
261
262
262
262
263
263
263
264
265
265
267
268
269

Tuesday 27

Waning Gibbous 95%

17:50

09:25

05 Bad
06 Bad
07 Bad
08 OK
09 OK
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 OK
00 OK

Sun - Rise: 07:31, Set: 17:38, Transit: 12:35. Moon - Rise: 17:50, Set: 09:25. Civil Dark: 18:11 - 06:58. Nautical Dark: 18:48 - 06:21. Astro Dark: 19:25 - 05:44

Total Clouds (% Sky Obscured)

73
64
50
35
18
36
55
70
74
78
73
62
53
43
50
58
67
54
41
28

Low Clouds (% Sky Obscured)

73
64
50
33
10
35
55
70
74
78
73
62
53
37
32
30
29
20
11
3

Medium Clouds (% Sky Obscured)

11
0
5
9
15
24
33
39
50
58
66
44
22
0
9
17
23
26
30
28

High Clouds (% Sky Obscured)

2
0
4
7
11
25
41
55
43
31
20
11
5
0
11
25
37
31
28
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
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

Precipitation Type

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

Precipitation Probability (%)

15
1
1
0
0
12
21
30
58
69
73
57
40
23
19
13
1
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
14
14
15
15
15
16
16
16
16
15
15
14
13
13
12
12
12
11

Feels Like (°C)

11
11
10
11
11
11
12
12
13
13
13
13
13
12
11
11
11
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

84
83
79
79
78
76
77
77
75
77
77
79
76
74
72
71
70
69
70
71

Pressure (mb)

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

Ozone (du)

270
271
272
273
274
275
278
281
284
287
290
293
292
290
289
287
285
282
283
284

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

Generated: 21/10/26 05:12:36. Forecast: 21/10/26 to 27/10/26. Timezone: UTC+2.00