Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 30

Waning Gibbous 86%

20:51

12:48

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:50, Set: 19:32, Transit: 13:41. Moon - Rise: 20:51, Set: 12:48. Civil Dark: 20:03 - 07:18. Nautical Dark: 20:40 - 06:41. Astro Dark: 21:17 - 06:04

Total Clouds (% Sky Obscured)

54
66
79
85
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
88
95
99
82

Low Clouds (% Sky Obscured)

1
0
0
14
4
26
22
13
39
48
52
56
78
66
71
85
60
53
63
54
15
29
61
4

Medium Clouds (% Sky Obscured)

25
14
79
49
93
98
96
99
98
100
99
98
96
99
100
100
100
99
100
76
42
41
93
82

High Clouds (% Sky Obscured)

54
65
74
85
99
97
92
100
100
100
98
100
100
100
100
100
100
100
100
100
74
75
44
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
9
8
4
5
9
9
9
9
9
5
3
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

2
7
9
24
2
2
12
22
44
38
44
52
88
95
95
95
95
95
95
95
93
59
18
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.8
1
0.5
0.4
0.9
0.2
0.3
1
1
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
20
19
19
18
18
19
19
20
21
20
20
21
21
21
20
19
19
19
19
19
18
19

Dew Point (°C)

14
14
14
14
14
14
13
13
13
14
16
15
15
18
19
19
18
17
16
17
16
16
16
16

Relative Humidity (%)

59
61
64
66
69
69
66
62
64
68
70
68
71
84
88
88
84
88
88
89
90
92
93
92

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1015
1016
1016
1016
1017
1017
1016
1016
1016
1016
1017
1018
1018
1018
1019
1019
1019

Ozone (du)

268
268
267
267
267
268
268
268
268
269
270
270
270
270
271
272
271
271
271
271
272
274
275
276

Thursday 1

Waning Gibbous 77%

21:36

14:08

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

Sun - Rise: 07:51, Set: 19:29, Transit: 13:40. Moon - Rise: 21:36, Set: 14:08. Civil Dark: 20:01 - 07:20. Nautical Dark: 20:38 - 06:43. Astro Dark: 21:15 - 06:05

Total Clouds (% Sky Obscured)

67
37
73
80
93
96
93
97
98
73
50
37
30
52
36
32
19
18
30
17
1
5
5
5

Low Clouds (% Sky Obscured)

47
16
54
26
34
40
46
46
38
50
44
37
30
36
32
32
19
18
30
17
0
0
0
0

Medium Clouds (% Sky Obscured)

38
14
60
72
40
46
70
53
2
3
0
0
2
28
10
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
3
45
45
64
88
70
92
95
28
16
0
0
0
0
0
0
0
0
0
1
4
3
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
17
15
14
14
14
15
15
17
17
19
20
20
18
19
19
18
17
16
15
15
14
14

Dew Point (°C)

15
12
12
11
11
11
11
11
12
12
10
9
7
6
6
5
5
5
5
6
6
7
7
7

Relative Humidity (%)

86
74
77
75
76
79
79
76
73
68
59
52
44
40
37
36
37
39
45
50
54
60
64
64

Pressure (mb)

1020
1020
1020
1021
1021
1022
1023
1023
1024
1024
1025
1025
1025
1025
1026
1026
1026
1027
1028
1028
1029
1029
1030
1030

Ozone (du)

277
280
281
282
283
284
284
285
286
287
287
290
293
295
302
303
304
298
294
293
292
292
293
293

Friday 2

Waning Gibbous 66%

22:37

15:18

02 Good
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
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

Sun - Rise: 07:53, Set: 19:27, Transit: 13:40. Moon - Rise: 22:37, Set: 15:18. Civil Dark: 19:59 - 07:21. Nautical Dark: 20:36 - 06:44. Astro Dark: 21:13 - 06:07

Total Clouds (% Sky Obscured)

13
62
63
81
73
90
100
90
56
32
43
71
56
100
100
91
100
98
100
99
100
100
97
83

Low Clouds (% Sky Obscured)

0
28
43
46
65
65
60
45
27
0
4
20
17
26
35
33
22
0
1
2
3
2
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
20
9
0
0
0
0
0
27
32
33
41
27
26
2
10
12
12
3

High Clouds (% Sky Obscured)

11
35
31
80
73
89
100
31
25
32
39
51
40
100
100
73
100
95
100
99
100
100
95
83

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
6
52
96
83
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
68
67
69
71
72
72
68
62
55
49
44
40
37
35
34
36
40
45
48
48
49
49
51

Pressure (mb)

1030
1030
1030
1031
1031
1031
1031
1032
1032
1032
1032
1031
1031
1030
1030
1029
1029
1029
1030
1030
1030
1030
1030
1030

Ozone (du)

292
291
290
289
288
289
289
288
286
286
286
285
285
285
286
287
287
287
287
287
288
287
287
287

Saturday 3

Third Quarter 54%

23:52

16:12

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 OK
20 OK
21 OK
22 OK
23 OK
00 Bad
01 Bad

Sun - Rise: 07:54, Set: 19:25, Transit: 13:40. Moon - Rise: 23:52, Set: 16:12. Civil Dark: 19:57 - 07:22. Nautical Dark: 20:33 - 06:46. Astro Dark: 21:11 - 06:08

Total Clouds (% Sky Obscured)

97
98
100
100
100
100
100
100
100
98
98
98
99
99
100
84
67
38
44
34
25
47
71
92

Low Clouds (% Sky Obscured)

11
22
33
32
32
29
21
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

30
48
46
72
87
93
98
96
89
90
97
98
84
73
60
60
53
6
18
3
1
14
37
46

High Clouds (% Sky Obscured)

94
80
96
100
100
100
100
100
100
92
91
88
92
96
100
81
60
36
32
21
10
7
9
16

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)

3
3
3
3
3
3
3
3
3
4
4
4
4
5
5
5
5
4
4
4
4
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
9
9
8
9
9
8
10
11
13
15
16
18
18
18
19
18
17
17
14
12
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

52
52
54
55
56
56
58
57
54
50
45
45
44
44
45
45
44
48
53
54
56
57
59
61

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

288
287
287
287
288
289
289
289
291
291
291
293
293
293
293
294
294
293
292
294
294
295
296
297

Sunday 4

Waning Crescent 42%

01:15

16:51

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

Sun - Rise: 07:55, Set: 19:23, Transit: 13:39. Moon - Rise: 01:15, Set: 16:51. Civil Dark: 19:55 - 07:24. Nautical Dark: 20:31 - 06:47. Astro Dark: 21:09 - 06:10

Total Clouds (% Sky Obscured)

76
63
49
52
59
66
71
70
51
45
46
39
28
21
22
17
13
19
17
10
5
15
25
34

Low Clouds (% Sky Obscured)

0
1
1
6
10
17
19
22
28
26
24
23
18
16
6
6
13
19
17
10
5
15
16
14

Medium Clouds (% Sky Obscured)

26
16
5
3
1
0
0
0
0
6
12
20
13
7
2
1
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

19
27
30
30
35
40
40
32
2
0
0
0
0
1
1
0
0
0
0
0
0
7
14
20

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
9
10
9
9
10
12
16
18
19
20
20
20
20
20
21
21
17
17
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

63
66
68
70
71
72
74
71
65
57
50
45
40
37
35
33
35
38
41
43
46
48
49
51

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028

Ozone (du)

297
297
297
299
300
302
301
302
304
304
303
302
302
302
302
302
302
301
300
300
299
299
298
297

Monday 5

Waning Crescent 31%

No Rise

17:19

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

Sun - Rise: 07:57, Set: 19:21, Transit: 13:39. Moon - Rise: No Rise, Set: 17:19. Civil Dark: 19:53 - 07:25. Nautical Dark: 20:29 - 06:49. Astro Dark: 21:06 - 06:11

Total Clouds (% Sky Obscured)

33
34
37
41
49
55
52
50
42
29
13
4
5
6
6
6
5
5
4
3
2
2
2
2

Low Clouds (% Sky Obscured)

12
10
12
12
15
18
19
22
21
17
9
0
3
5
6
6
3
0
0
0
0
0
0
0

Medium 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

High Clouds (% Sky Obscured)

16
13
11
17
23
26
19
11
5
5
5
4
3
2
1
2
3
4
4
3
2
2
2
2

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)

4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
4
4
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

13
13
12
12
12
12
11
12
14
15
17
19
20
21
21
22
20
19
19
18
17
16
16
15

Feels Like (°C)

16
12
12
12
12
12
12
12
13
13
14
14
15
22
22
22
22
22
23
19
19
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

53
55
56
58
59
62
64
60
55
51
47
42
39
36
34
32
33
35
36
38
38
39
41
43

Pressure (mb)

1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022

Ozone (du)

296
296
295
294
294
294
293
292
290
289
288
287
286
285
285
284
283
282
282
282
282
282
282
282

Tuesday 6

Waning Crescent 21%

02:38

17:40

Sun - Rise: 07:58, Set: 19:19, Transit: 13:39. Moon - Rise: 02:38, Set: 17:40. Civil Dark: 19:50 - 07:27. Nautical Dark: 20:27 - 06:50. Astro Dark: 21:04 - 06:13

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 30/09/26 02:39:38. Forecast: 30/09/26 to 06/10/26. Timezone: UTC+2.00