Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 12%

05:21

13:55

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:40, Set: 16:53, Transit: 12:47. Moon - Rise: 05:21, Set: 13:55. Civil Dark: 17:31 - 08:02. Nautical Dark: 18:11 - 07:22. Astro Dark: 18:50 - 06:43

Total Clouds (% Sky Obscured)

71
78
76
90
66
88
93
97
95
100
95
95
79
87
90
89
92
98
100
92
90
64
78
58

Low Clouds (% Sky Obscured)

28
28
35
28
0
45
55
44
42
39
43
58
43
53
59
56
62
61
47
48
46
30
7
4

Medium Clouds (% Sky Obscured)

71
78
76
73
66
85
89
89
91
80
72
63
30
38
42
73
72
54
42
43
37
34
31
36

High Clouds (% Sky Obscured)

71
78
76
85
55
60
64
89
77
97
63
66
37
16
43
38
28
68
72
41
46
3
41
11

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
2
12
19
15
10
10
7
2
0
3
4
5
4
3
2
1
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)

9
9
9
9
9
9
10
10
10
9
10
9
9
6
7
6
5
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
8
7
7
7
7
7
7
7
7
7
7
8
7
7
8
7
7
7
7
8
10
11

Dew Point (°C)

5
6
6
6
7
6
7
7
6
7
6
6
6
7
6
6
7
6
6
6
6
7
7
7

Relative Humidity (%)

71
72
73
77
80
78
80
78
77
78
76
74
76
80
78
80
81
80
80
80
78
78
73
70

Pressure (mb)

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

Ozone (du)

291
294
299
302
306
304
302
300
302
309
311
309
309
306
305
305
308
306
308
310
310
316
325
327

Tuesday 16

Waning Crescent 7%

06:31

14:13

14 Bad
15 Bad
16 Bad
17 Bad
18 Good
19 OK
20 OK
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

Sun - Rise: 08:40, Set: 16:54, Transit: 12:47. Moon - Rise: 06:31, Set: 14:13. Civil Dark: 17:31 - 08:03. Nautical Dark: 18:12 - 07:22. Astro Dark: 18:50 - 06:44

Total Clouds (% Sky Obscured)

57
69
98
63
5
23
39
76
88
84
86
92
92
91
97
96
96
96
98
99
96
82
86
100

Low Clouds (% Sky Obscured)

0
16
24
0
0
0
0
24
58
46
56
83
85
81
97
90
91
92
90
98
79
79
74
81

Medium Clouds (% Sky Obscured)

37
23
12
3
0
8
20
27
27
35
66
66
38
37
33
33
31
24
16
1
1
0
0
0

High Clouds (% Sky Obscured)

28
39
92
63
5
15
5
3
0
1
0
0
0
0
0
0
0
12
45
15
54
15
77
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
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
3
0
0
0
0
1
8
2
19
27
13
11
0
3
5
1
0
0
0
1
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
3
3
3
3
4
3
3
3
3
3
4
3
3
3
4
3
3
5
3
1
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
75
75
76
77
78
78
78
79
79
82
87
88
91
93
95
91
90
90
88
84
81
76
72

Pressure (mb)

1013
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1021
1022
1022
1022
1022

Ozone (du)

331
324
310
306
305
304
305
305
308
314
323
330
343
352
358
353
346
342
341
336
335
335
333
330

Wednesday 17

Waning Crescent 3%

07:39

14:37

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:41, Set: 16:54, Transit: 12:48. Moon - Rise: 07:39, Set: 14:37. Civil Dark: 17:31 - 08:04. Nautical Dark: 18:12 - 07:23. Astro Dark: 18:51 - 06:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
92
100
100
100
100
100
98
92
90
80
96
87
82
78
72
63

Low Clouds (% Sky Obscured)

75
36
48
36
58
56
43
43
54
70
21
39
57
75
77
80
82
80
83
83
63
43
23
17

Medium Clouds (% Sky Obscured)

47
40
35
30
27
33
31
31
34
41
75
95
20
18
25
22
22
19
19
16
15
12
5
12

High Clouds (% Sky Obscured)

100
100
98
100
100
100
100
100
15
100
95
77
70
99
79
57
35
38
57
55
60
61
61
63

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
2
14
6
4
14
4
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)

0
3
2
3
3
3
4
4
4
4
4
5
6
7
6
8
8
8
8
8
10
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
70
71
73
77
78
80
84
84
82
82
85
88
90
90
90
93
93
90
91
87
81
76
72

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1019
1019
1019
1019
1018
1017
1016
1015

Ozone (du)

327
325
323
322
321
321
322
321
320
319
319
319
319
320
318
317
312
308
307
307
308
306
304
303

Thursday 18

Waning Crescent 1%

08:42

15:09

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:42, Set: 16:54, Transit: 12:48. Moon - Rise: 08:42, Set: 15:09. Civil Dark: 17:32 - 08:04. Nautical Dark: 18:12 - 07:24. Astro Dark: 18:51 - 06:45

Total Clouds (% Sky Obscured)

85
87
81
80
77
81
85
90
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

10
4
3
1
0
5
10
15
20
25
34
40
46
51
63
74
85
85
85
85
74
63
52
38

Medium Clouds (% Sky Obscured)

18
25
26
44
53
57
77
88
93
96
100
100
99
100
100
100
100
100
99
99
99
99
100
100

High Clouds (% Sky Obscured)

71
75
64
61
56
46
38
30
30
40
45
40
30
35
25
20
15
20
20
20
38
53
72
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
4
2
5
9
9
8
9
9
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
8
22
41
60
69
84
95
95
94
95
95
81
63
39
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.6
0.9
0.9
0.6
0.7
0.8
0.5
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
9
7
7
8
7
7
8
7
8
7
8
8
8
8
8
8
8
8
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

68
65
64
66
66
67
68
68
71
72
75
77
79
83
85
88
88
88
90
90
90
87
84
81

Pressure (mb)

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

Ozone (du)

301
297
295
293
291
287
285
282
281
281
281
290
295
293
287
288
298
321
335
333
330
329
333
338

Friday 19

Waning Crescent 0%

09:36

15:52

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

Sun - Rise: 08:42, Set: 16:55, Transit: 12:49. Moon - Rise: 09:36, Set: 15:52. Civil Dark: 17:32 - 08:05. Nautical Dark: 18:13 - 07:24. Astro Dark: 18:51 - 06:45

Total Clouds (% Sky Obscured)

100
100
98
97
95
4
2
0
13
26
37
43
48
52
60
72
76
83
85
88
89
86
78
84

Low Clouds (% Sky Obscured)

23
9
9
11
18
4
2
0
13
25
27
31
34
39
39
39
42
49
57
75
68
62
59
51

Medium Clouds (% Sky Obscured)

100
100
98
95
93
4
2
0
6
6
0
0
0
0
3
6
12
14
17
32
23
16
13
15

High Clouds (% Sky Obscured)

90
100
68
33
5
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33

ISS Passover

Visibility (miles)

9
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

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 (%)

27
5
4
3
1
2
2
0
2
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
5
5
5
5
4
4
5
5
4
3
3
2
2
2
2
2
2
1
2
3
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
78
77
77
77
77
78
79
82
82
82
83
85
85
85
85
85
85
83
83
83
76
72
68

Pressure (mb)

1018
1018
1018
1018
1019
1019
1020
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1018
1018
1018
1018
1017
1016
1015

Ozone (du)

340
341
340
322
318
321
324
326
329
321
313
305
302
299
295
291
287
283
283
282
282
283
284
286

Saturday 20

New Moon 2%

10:18

16:46

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:43, Set: 16:55, Transit: 12:49. Moon - Rise: 10:18, Set: 16:46. Civil Dark: 17:32 - 08:05. Nautical Dark: 18:13 - 07:25. Astro Dark: 18:52 - 06:46

Total Clouds (% Sky Obscured)

89
96
96
98
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
32
35
35
35
49
62
75
65
55
46
62
76
90
91
91
91
90
88
86
82
79
76
73

Medium Clouds (% Sky Obscured)

13
10
29
55
79
86
91
96
97
96
96
96
97
97
96
95
94
97
98
100
99
98
97
93

High Clouds (% Sky Obscured)

63
83
84
92
100
95
88
80
88
94
100
100
100
99
100
100
100
96
94
93
94
96
100
100

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

Precipitation Probability (%)

0
0
0
0
0
6
11
18
21
22
23
34
44
56
58
57
55
56
58
62
57
51
44
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
6
6
6
6
6
6
6
6
6
6
6
6
6
5
5
5
5
6
6
6
6
6
7

Chance of Frost

Temperature (°C)

7
8
8
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
8
7
8
8
8
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
68
69
73
77
82
81
81
78
79
81
82
84
85
85
87
88
87
90
90
91
90
90
88

Pressure (mb)

1014
1013
1012
1012
1011
1011
1010
1010
1009
1008
1008
1007
1006
1006
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

286
286
286
287
288
289
292
294
297
298
299
300
302
303
305
307
308
310
312
314
316
315
313
312

Sunday 21

Waxing Crescent 2%

10:51

17:51

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:43, Set: 16:56, Transit: 12:50. Moon - Rise: 10:51, Set: 17:51. Civil Dark: 17:33 - 08:06. Nautical Dark: 18:14 - 07:25. Astro Dark: 18:52 - 06:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
69
65
62
58
59
60
61
64
66
68

Medium Clouds (% Sky Obscured)

88
84
84
85
86
91
96
100
82
67
50

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
16
16
14
6
9
8
4
6
7
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
7
7
7
8
9
8
8

Chance of Frost

Temperature (°C)

9
9
10
9
8
8
8
8
8
8
7

Feels Like (°C)

7
7
7
7
7
7
5
5
5
5
5

Dew Point (°C)

7
7
7
7
6
6
5
5
4
4
4

Relative Humidity (%)

85
84
82
84
85
87
84
81
78
77
77

Pressure (mb)

1004
1004
1004
1004
1004
1005
1005
1006
1006
1006
1007

Ozone (du)

312
313
313
314
314
314
315
317
318
321
324

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

Generated: 15/12/25 14:36:56. Forecast: 15/12/25 to 21/12/25. Timezone: UTC+1.00