Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 4

Waxing Gibbous 99%

17:13

07:55

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
18 Bad

Sun - Rise: 07:58, Set: 17:40, Transit: 12:49. Moon - Rise: 17:13, Set: 07:55. Civil Dark: 18:13 - 07:25. Nautical Dark: 18:50 - 06:48. Astro Dark: 19:28 - 06:12

Total Clouds (% Sky Obscured)

95
97
100
58
51
82
58
79
90
68
97
77
95
86
100
100
84
100
96
76
72
91
82
80

Low Clouds (% Sky Obscured)

32
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

34
74
69
58
26
48
58
56
53
68
32
57
79
68
70
61
76
38
41
33
46
76
82
77

High Clouds (% Sky Obscured)

42
56
50
11
11
38
14
30
49
25
67
53
55
62
99
100
45
98
67
14
15
43
40
35

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 (%)

1
3
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
11
1
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)

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

Chance of Frost

Temperature (°C)

16
15
14
13
13
12
12
12
13
13
13
12
12
12
13
14
16
17
18
17
18
18
17
16

Feels Like (°C)

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

Dew Point (°C)

11
9
5
6
6
5
6
5
6
7
6
7
7
7
7
8
8
8
8
6
7
8
8
8

Relative Humidity (%)

75
68
56
60
62
61
64
60
63
66
65
72
69
67
66
66
59
54
51
48
48
51
56
58

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1009
1009
1009
1008
1008
1007
1007
1006
1006
1006
1006

Ozone (du)

270
270
269
267
265
265
265
265
267
265
264
263
263
261
259
258
257
257
258
259
259
258
255
255

Wednesday 5

Full Moon 100%

17:46

09:27

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
18 Bad

Sun - Rise: 08:00, Set: 17:38, Transit: 12:49. Moon - Rise: 17:46, Set: 09:27. Civil Dark: 18:12 - 07:27. Nautical Dark: 18:49 - 06:50. Astro Dark: 19:26 - 06:13

Total Clouds (% Sky Obscured)

66
82
84
89
97
86
100
94
100
100
100
100
97
100
100
100
93
70
51
62
69
67
86
100

Low Clouds (% Sky Obscured)

0
0
0
5
8
17
37
36
52
54
74
71
66
69
73
86
63
51
44
47
46
43
40
9

Medium Clouds (% Sky Obscured)

48
82
54
37
56
83
60
90
88
54
55
99
48
100
100
100
85
29
4
12
7
40
41
8

High Clouds (% Sky Obscured)

40
40
72
69
37
36
100
71
100
100
81
58
30
100
79
13
13
13
16
36
22
41
75
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
1
7
24
18
15
11
25
43
54
20
17
30
49
50
24
15
19
35
36
15
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
14
14
14
14
14
14
14
14
14
14
14
14
15
15
16
16
16
15
14
13

Feels Like (°C)

12
12
12
11
11
11
12
12
12
12
12
12
11
11
12
12
12
14
14
14
14
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

60
66
65
63
66
70
73
79
79
80
83
86
84
84
86
90
95
95
89
83
83
92
93
90

Pressure (mb)

1006
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1005
1005
1006
1006
1006
1006
1005
1005
1006
1006
1006

Ozone (du)

254
256
258
258
259
260
263
265
266
268
268
270
273
273
274
274
274
276
276
278
278
278
279
280

Thursday 6

Waning Gibbous 96%

18:33

10:56

19 Bad
20 OK
21 OK
22 OK
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

Sun - Rise: 08:02, Set: 17:37, Transit: 12:49. Moon - Rise: 18:33, Set: 10:56. Civil Dark: 18:10 - 07:28. Nautical Dark: 18:48 - 06:51. Astro Dark: 19:25 - 06:15

Total Clouds (% Sky Obscured)

98
19
38
36
39
46
61
46
61
88
73
92
92
100
100
97
99
98
88
99
100
96
83
100

Low Clouds (% Sky Obscured)

0
8
28
36
39
44
46
43
52
64
62
87
84
85
88
78
88
40
47
63
69
71
79
94

Medium Clouds (% Sky Obscured)

6
1
0
0
0
0
0
0
13
50
29
45
45
45
83
92
72
59
35
24
30
30
33
90

High Clouds (% Sky Obscured)

64
19
31
6
2
16
35
19
13
45
3
40
29
71
98
81
53
95
64
59
97
94
80
99

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
5
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
1
0
0
0
0
0
0
0
0
0
5
8
1
1
0
0
8
21
38
63
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
1.3
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
93
93
95
95
96
96
96
98
98
96
98
96
93
89
80
74
66
66
70
77
90

Pressure (mb)

1007
1007
1007
1008
1008
1008
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1008
1008

Ozone (du)

283
284
285
286
286
286
286
287
288
288
291
293
296
297
298
299
301
302
302
305
303
304
297
287

Friday 7

Waning Gibbous 90%

No Rise

12:11

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
18 Bad

Sun - Rise: 08:03, Set: 17:36, Transit: 12:49. Moon - Rise: No Rise, Set: 12:11. Civil Dark: 18:09 - 07:30. Nautical Dark: 18:46 - 06:52. Astro Dark: 19:24 - 06:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
95
91
86
90
93
95
94
93
91
90
67
74
83
80
77
81
84
85

Low Clouds (% Sky Obscured)

94
91
87
86
84
83
78
74
60
63
63
69
68
71
75
63
52
43
51
51
47
54
62
70

Medium Clouds (% Sky Obscured)

90
82
87
46
43
57
88
77
65
55
65
70
65
65
3
10
19
28
34
67
22
38
50
13

High Clouds (% Sky Obscured)

100
100
68
62
67
98
80
60
45
38
32
25
16
20
25
25
8
14
25
30
35
35
35
35

ISS Passover

Visibility (miles)

9
9
9
9
9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

Light Rain
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 (%)

95
95
48
28
31
20
7
4
1
3
4
6
7
8
5
3
3
2
11
18
24
26
23
19

Precipitation Amount (mm)

1.1
0.7
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
8
7
8
7
7
6
5
4
4
3
4
3
4
5
6
7
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
90
93
93
93
95
95
96
95
95
95
95
95
95
87
80
74
70
71
69
69
70
76

Pressure (mb)

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

Ozone (du)

283
282
280
279
279
278
276
275
276
275
275
277
279
278
277
277
277
276
276
277
276
276
274
271

Saturday 8

Waning Gibbous 82%

19:35

13:08

19 Bad
20 OK
21 Good
22 Good
23 OK
00 OK
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

Sun - Rise: 08:05, Set: 17:34, Transit: 12:49. Moon - Rise: 19:35, Set: 13:08. Civil Dark: 18:08 - 07:31. Nautical Dark: 18:45 - 06:54. Astro Dark: 19:23 - 06:17

Total Clouds (% Sky Obscured)

65
34
5
5
9
16
47
74
100
100
100
82
95
95
100
98
96
93
96
98
100
100
93
88

Low Clouds (% Sky Obscured)

50
28
2
4
8
14
42
71
100
100
100
82
95
95
95
93
91
89
79
71
64
56
50
42

Medium Clouds (% Sky Obscured)

18
5
2
2
1
2
0
0
0
0
0
0
0
0
0
0
0
0
12
27
47
34
19
3

High Clouds (% Sky Obscured)

26
2
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
30
57
80
85
75
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
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

14
10
1
2
2
1
2
2
2
1
1
1
2
2
1
4
4
2
4
4
2
3
2
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
79
83
91
93
95
94
91
87
88
88
88
94
90
85
82
76
68
62
60
58
57
63
71

Pressure (mb)

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

Ozone (du)

270
271
272
272
271
269
269
269
270
271
270
270
272
273
273
273
275
276
277
277
278
279
276
273

Sunday 9

Waning Gibbous 72%

20:51

13:48

19 Bad
20 Bad
21 OK
22 OK
23 OK
00 OK
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

Sun - Rise: 08:06, Set: 17:33, Transit: 12:50. Moon - Rise: 20:51, Set: 13:48. Civil Dark: 18:06 - 07:33. Nautical Dark: 18:44 - 06:55. Astro Dark: 19:22 - 06:19

Total Clouds (% Sky Obscured)

72
57
38
32
35
41
56
67
74
79
89
100
100
100
100
100
100
100
97
94
92
91
91
90

Low Clouds (% Sky Obscured)

47
52
38
32
35
41
43
46
49
55
60
66
73
79
84
87
90
94
87
80
74
69
62
56

Medium Clouds (% Sky Obscured)

2
1
0
0
0
1
29
56
74
79
86
92
95
97
100
89
75
63
55
50
43
54
64
71

High Clouds (% Sky Obscured)

43
25
0
3
6
8
9
10
13
39
64
91
93
95
92
81
70
57
44
31
19
37
50
65

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

2
2
0
0
0
0
0
0
0
8
17
24
50
66
81
86
85
77
60
51
57
49
44
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.6
0.5
0.2
0
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
7
8
7
7
7
7
6
6
6
6
6
5
6
6
6
6
6
6
9
10
9
9
10

Dew Point (°C)

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

Relative Humidity (%)

78
84
88
93
93
94
93
96
96
96
98
96
96
96
96
95
91
90
86
84
83
82
86
90

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

270
269
268
267
268
269
270
270
270
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284

Monday 10

Waning Gibbous 61%

22:12

14:16

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 OK
11 OK
12 OK

Sun - Rise: 08:08, Set: 17:32, Transit: 12:50. Moon - Rise: 22:12, Set: 14:16. Civil Dark: 18:05 - 07:34. Nautical Dark: 18:43 - 06:56. Astro Dark: 19:21 - 06:20

Total Clouds (% Sky Obscured)

94
97
100
100
100
100
100
100
100
89
77
69
57
48
44
40
37
33

Low Clouds (% Sky Obscured)

61
63
67
70
74
75
78
79
80
74
70
65
57
48
44
40
37
33

Medium Clouds (% Sky Obscured)

62
53
58
62
70
77
82
83
86
66
49
31
43
47
44
40
37
33

High Clouds (% Sky Obscured)

69
74
78
83
90
98
98
99
100
74
51
36
39
47
44
38
23
12

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

48
53
55
64
70
72
55
44
29
23
16
5
5
3
0
2
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
8
8
9
9
9
9
9
9
9
9
9
9
8
8
8
8
9

Dew Point (°C)

10
10
10
10
10
10
10
10
10
9
9
9
8
8
8
8
8
8

Relative Humidity (%)

95
96
96
98
98
98
96
95
96
95
95
95
95
93
90
87
80
73

Pressure (mb)

1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

285
292
298
305
309
313
318
318
318
318
315
312
310
310
310
310
307
304

Forecast for Ercé-près-Liffré, Ille-et-Vilaine, France (48.26,-1.51)

Generated: 04/11/25 19:01:14. Forecast: 04/11/25 to 10/11/25. Timezone: UTC+1.00