Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 0%

08:41

16:35

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
14 Bad
15 Bad
16 Bad
17 OK

Sun - Rise: 08:09, Set: 17:04, Transit: 12:36. Moon - Rise: 08:41, Set: 16:35. Civil Dark: 17:39 - 07:34. Nautical Dark: 18:19 - 06:55. Astro Dark: 18:57 - 06:17

Total Clouds (% Sky Obscured)

100
100
100
87
100
100
100
100
100
100
100
95
90
95
91
91
94
97
100
100
93
88
80
32

Low Clouds (% Sky Obscured)

71
45
52
57
66
64
56
64
53
52
61
64
82
86
74
67
72
52
36
40
30
26
9
0

Medium Clouds (% Sky Obscured)

93
98
67
52
100
100
81
93
100
100
100
89
83
81
85
87
91
96
100
100
92
88
80
32

High Clouds (% Sky Obscured)

0
0
12
30
35
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
None
None
None
None
None
None

Precipitation Probability (%)

95
95
66
5
6
3
11
11
9
26
14
3
7
2
13
21
36
46
38
36
29
27
23
16

Precipitation Amount (mm)

1.2
1.2
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
-2
-2
-2
-1
-1
-1
-1
-1
-1
-1
-2
-2
-2
-1
-1
1
1
1
1
1
-1

Dew Point (°C)

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

Relative Humidity (%)

88
73
66
60
66
71
75
76
77
76
82
79
76
77
78
77
73
73
62
56
55
56
60
66

Pressure (mb)

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

Ozone (du)

312
329
338
337
334
334
335
332
330
333
339
342
339
332
331
334
332
327
328
326
327
327
322
321

Thursday 20

New Moon 2%

09:48

17:09

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

Sun - Rise: 08:11, Set: 17:03, Transit: 12:37. Moon - Rise: 09:48, Set: 17:09. Civil Dark: 17:38 - 07:35. Nautical Dark: 18:18 - 06:56. Astro Dark: 18:56 - 06:18

Total Clouds (% Sky Obscured)

0
0
25
32
50
67
71
79
86
74
38
46
88
81
82
77
73
80
58
38
46
42
40
32

Low Clouds (% Sky Obscured)

0
0
25
12
46
65
70
79
81
68
32
41
83
73
76
76
72
79
58
38
46
42
40
30

Medium Clouds (% Sky Obscured)

0
0
3
32
34
30
26
2
20
13
25
28
25
17
22
2
0
3
2
0
0
0
2
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
2
13
23
4
2
2
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
0
7
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
0
0
0
0
1
0
0
4
0
0
2
4
9
17
3
1
0
0
0
1
3
4
21

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

Chance of Frost

Temperature (°C)

3
2
1
1
0
0
0
0
0
1
1
0
0
1
1
1
3
4
5
6
6
6
5
4

Feels Like (°C)

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

Dew Point (°C)

-2
-3
-4
-4
-5
-4
-5
-4
-4
-3
-3
-3
-3
-2
-1
1
1
1
1
-1
-2
-2
-1
-1

Relative Humidity (%)

69
70
71
73
71
73
71
73
75
75
78
77
81
86
89
96
89
82
72
62
57
59
63
69

Pressure (mb)

1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1019
1020
1021
1022
1022
1023
1023
1023
1023
1024
1024

Ozone (du)

328
338
342
340
336
331
329
328
331
336
341
344
346
346
342
341
341
342
340
341
334
330
326
321

Friday 21

Waxing Crescent 5%

10:49

17:55

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

Sun - Rise: 08:12, Set: 17:02, Transit: 12:37. Moon - Rise: 10:49, Set: 17:55. Civil Dark: 17:37 - 07:37. Nautical Dark: 18:17 - 06:57. Astro Dark: 18:55 - 06:20

Total Clouds (% Sky Obscured)

33
33
28
10
14
10
4
17
7
14
39
83
100
93
38
30
64
35
61
61
64
65
75
70

Low Clouds (% Sky Obscured)

26
25
20
0
0
0
0
17
6
14
33
20
0
0
9
0
8
6
0
2
4
6
4
2

Medium Clouds (% Sky Obscured)

30
30
27
10
14
2
0
0
0
0
0
0
21
34
12
30
64
35
61
61
64
65
42
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
8
60
100
90
8
19
19
20
50
47
48
45
61
57

ISS Passover

Visibility (miles)

9
9
8
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
2
2
2
2
2
2
2
2
2
2
2

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 (%)

26
28
25
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)

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

Chance of Frost

Temperature (°C)

3
2
1
1
0
-1
-1
-1
-1
-1
-1
-2
-2
-2
-1
-1
0
2
3
4
4
4
4
4

Feels Like (°C)

0
-2
-3
-2
-3
-3
-3
-2
-2
-2
-2
-2
-2
-4
-3
-4
-2
-2
-1
0
0
-0
1
-1

Dew Point (°C)

-1
-2
-2
-2
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-3
-4
-3
-2
-2
-2
-2
-2
-2
-2

Relative Humidity (%)

76
77
80
81
81
80
80
83
83
84
84
84
84
84
86
83
78
74
70
67
64
63
64
69

Pressure (mb)

1025
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1025
1024
1023
1022
1021

Ozone (du)

317
311
311
311
310
306
302
296
296
293
283
275
273
279
286
298
307
309
308
306
307
307
306
303

Saturday 22

Waxing Crescent 10%

11:39

17:55

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
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:14, Set: 17:01, Transit: 12:37. Moon - Rise: 11:39, Set: 17:55. Civil Dark: 17:37 - 07:38. Nautical Dark: 18:17 - 06:59. Astro Dark: 18:54 - 06:21

Total Clouds (% Sky Obscured)

87
83
84
87
100
100
100
100
100
100
100
100
100
98
95
93
93
92
92
95
98
100
100
99

Low Clouds (% Sky Obscured)

0
30
60
87
93
97
100
100
100
100
100
100
100
96
91
87
78
68
61
63
66
68
70
72

Medium Clouds (% Sky Obscured)

33
34
38
38
48
95
100
99
97
96
94
92
91
74
60
17
23
38
51
55
56
60
56
98

High Clouds (% Sky Obscured)

81
83
84
87
100
100
100
97
94
92
63
34
10
20
1
2
2
2
2
47
47
59
57
59

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
6
2
0
0
0
0
0
2
9
9
9
9
9
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

0
0
3
8
31
52
77
88
92
95
95
93
79
78
57
32
34
31
24
35
42
48
43
34

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.5
0.6
0.7
0.7
0.7
0.6
0.3
0.4
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
0
-1
-2
-2
-3
-3
-4
-4
-4
-4
-3
-2
-2
-2
-1
0
1
2
3
3
3
4
5

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-3
-4
-4
-3
-3
-1
1
2
3
3
4
5
6
6
7
6
7
7

Relative Humidity (%)

72
74
77
77
77
77
74
70
69
73
74
83
93
94
98
96
94
94
94
93
94
93
93
94

Pressure (mb)

1021
1020
1019
1018
1018
1016
1015
1014
1013
1012
1010
1009
1009
1008
1007
1007
1006
1006
1005
1004
1004
1004
1003
1003

Ozone (du)

301
297
293
293
294
288
287
287
286
284
283
281
281
279
282
283
284
282
278
278
280
280
280
280

Sunday 23

Waxing Crescent 17%

12:18

18:52

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
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:15, Set: 17:00, Transit: 12:38. Moon - Rise: 12:18, Set: 18:52. Civil Dark: 17:36 - 07:39. Nautical Dark: 18:16 - 07:00. Astro Dark: 18:54 - 06:22

Total Clouds (% Sky Obscured)

99
92
86
80
85
93
100
100
100
100
96
85
84
94
96
98
98
98
97
98
99
100
100
100

Low Clouds (% Sky Obscured)

74
72
71
70
71
72
74
83
91
96
92
85
84
79
81
85
85
85
83
74
67
60
66
71

Medium Clouds (% Sky Obscured)

97
78
59
35
57
78
100
99
98
96
65
40
0
69
79
88
82
77
73
83
91
100
100
99

High Clouds (% Sky Obscured)

62
50
35
20
20
15
15
15
10
10
5
0
0
2
0
0
0
0
0
2
4
10
8
7

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
8
7
8

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

26
18
15
18
21
11
6
16
17
19
15
9
5
6
8
8
10
10
6
25
36
46
45
44

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
96
98
98
98
98
98
96
94
94
96
94
91
88
85
81
77
73
73
71
71
74

Pressure (mb)

1003
1003
1003
1003
1003
1002
1002
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
999
999
999
999
998
999

Ozone (du)

280
279
280
280
279
282
285
288
288
289
291
296
294
295
297
298
300
302
303
305
306
307
308
309

Monday 24

Waxing Crescent 25%

12:48

19:59

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
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:16, Set: 16:59, Transit: 12:38. Moon - Rise: 12:48, Set: 19:59. Civil Dark: 17:35 - 07:41. Nautical Dark: 18:15 - 07:01. Astro Dark: 18:53 - 06:23

Total Clouds (% Sky Obscured)

99
95
91
87
89
93
96
95
94
95
93
93
94
93
92
91
86
83
80
76
75
75
76
77

Low Clouds (% Sky Obscured)

75
69
65
65
70
75
83
82
81
76
84
88
92
93
92
91
86
83
80
71
64
56
56
57

Medium Clouds (% Sky Obscured)

99
93
87
68
77
81
81
68
56
42
35
29
24
23
20
20
14
9
7
16
24
34
33
35

High Clouds (% Sky Obscured)

5
0
0
0
0
0
0
3
8
16
22
24
22
17
12
9
8
5
2
9
17
23
24
23

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

44
43
39
32
28
22
9
10
9
2
6
6
5
9
8
3
6
6
3
12
14
8
10
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
3
4
3
3
3
2
3
3
3
3
2
2
2
2
2
2
2
2
2
2
3
2

Relative Humidity (%)

78
84
83
85
85
86
86
86
89
91
91
91
91
91
88
86
83
79
75
70
71
71
73
76

Pressure (mb)

999
999
999
1000
1000
1000
1001
1001
1001
1001
1002
1002
1002
1003
1004
1004
1005
1005
1005
1006
1006
1007
1007
1008

Ozone (du)

310
310
312
313
315
317
318
320
322
324
325
324
323
321
317
313
308
309
311
312
313
313
314
315

Tuesday 25

Waxing Crescent 34%

13:11

21:11

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

Sun - Rise: 08:18, Set: 16:59, Transit: 12:38. Moon - Rise: 13:11, Set: 21:11. Civil Dark: 17:34 - 07:42. Nautical Dark: 18:15 - 07:02. Astro Dark: 18:53 - 06:24

Total Clouds (% Sky Obscured)

78
77
76
78
87
94
98
99
97
95
95
92
89
90
93
96
98
99
100

Low Clouds (% Sky Obscured)

57
64
71
78
87
94
98
97
94
91
93
92
89
90
93
92
65
38
11

Medium Clouds (% Sky Obscured)

39
30
20
9
13
20
29
45
58
72
53
33
12
10
9
10
37
62
87

High Clouds (% Sky Obscured)

23
19
14
8
9
9
10
8
8
8
7
6
5
6
6
6
21
36
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
6
5
0
1
2
0
1
2
0
2
3
0
5
6
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
4
4
4
3
4
3
1
1
1
1
1
1
0
-1
-1
-0
-0

Dew Point (°C)

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

Relative Humidity (%)

80
85
85
86
88
88
89
91
89
89
89
88
88
86
83
80
77
76
73

Pressure (mb)

1008
1009
1009
1010
1011
1011
1012
1012
1012
1013
1013
1014
1014
1015
1016
1016
1017
1018
1018

Ozone (du)

316
317
316
315
315
316
317
319
320
322
324
325
325
326
328
330
332
331
330

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

Generated: 19/11/25 18:38:41. Forecast: 19/11/25 to 25/11/25. Timezone: UTC+1.00