Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Waxing Gibbous 100%

16:17

08:19

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 OK
02 OK
03 OK
04 OK
05 Bad

Sun - Rise: 08:40, Set: 17:12, Transit: 12:56. Moon - Rise: 16:17, Set: 08:19. Civil Dark: 17:48 - 08:04. Nautical Dark: 18:28 - 07:24. Astro Dark: 19:05 - 06:47

Total Clouds (% Sky Obscured)

100
100
100
100
71
76
95
66
78
41
37
36
42
37
40
59
43
40
38
32
26
25
37
92

Low Clouds (% Sky Obscured)

47
38
34
32
32
45
55
53
41
41
37
36
42
37
40
59
43
40
38
32
26
25
28
39

Medium Clouds (% Sky Obscured)

100
100
100
74
29
76
90
66
75
24
37
36
40
23
24
2
2
20
17
3
0
0
4
71

High Clouds (% Sky Obscured)

100
100
69
50
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
17

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
8
8
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 (%)

13
8
11
5
5
14
35
35
38
45
44
25
22
9
8
7
8
7
5
6
6
1
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)

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

Chance of Frost

Temperature (°C)

9
8
7
7
7
8
8
9
9
9
9
7
6
5
4
4
3
3
2
2
2
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
77
76
79
78
74
72
69
70
74
84
88
88
89
89
91
91
91
91
91
91
89
88

Pressure (mb)

999
1000
1001
1002
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1005
1006
1006
1007
1007
1008
1009
1010
1010
1010

Ozone (du)

308
311
316
320
324
326
327
334
346
349
346
339
352
361
364
366
366
364
365
354
342
337
331
326

Friday 5

Full Moon 98%

17:13

09:43

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
05 Bad

Sun - Rise: 08:41, Set: 17:12, Transit: 12:56. Moon - Rise: 17:13, Set: 09:43. Civil Dark: 17:48 - 08:05. Nautical Dark: 18:27 - 07:25. Astro Dark: 19:05 - 06:48

Total Clouds (% Sky Obscured)

94
95
95
96
100
96
100
100
100
99
100
100
98
100
95
92
77
76
82
71
86
71
78
80

Low Clouds (% Sky Obscured)

42
47
47
22
16
24
62
100
80
75
100
100
96
100
87
84
69
62
65
50
61
55
62
67

Medium Clouds (% Sky Obscured)

90
89
89
95
93
96
100
100
100
98
95
93
47
67
88
16
16
20
40
31
44
15
17
16

High Clouds (% Sky Obscured)

52
68
80
14
100
38
99
70
81
74
99
96
20
14
14
0
0
25
2
0
0
1
6
27

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
7
5
6
9
7
8
4
6
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
2
16
95
95
91
62
71
95
94
95
53
55
40
20
3
14
18
27
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.7
1.9
0.4
0.2
0.3
0.6
0.8
0.8
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
5
7
9
11
12
14
15
18
18
19
20
19
17
12
12
12
12
10
11
12
13

Chance of Frost

Temperature (°C)

0
0
1
1
3
4
5
6
6
6
7
7
7
8
9
9
10
11
11
11
10
10
10
10

Feels Like (°C)

-2
-3
-3
-3
-1
0
1
1
1
0
0
0
1
1
3
5
7
9
7
8
8
6
6
5

Dew Point (°C)

-2
-2
-2
-1
0
1
1
1
2
4
5
5
6
7
8
9
9
9
10
9
8
8
8
8

Relative Humidity (%)

86
84
84
84
82
79
74
71
75
88
90
90
91
91
95
98
93
91
92
88
88
90
87
84

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1010
1009
1007
1006
1005
1004
1003
1002
1002
1002
1002
1002
1003
1003
1004
1004
1004

Ozone (du)

325
318
309
303
301
300
299
295
289
289
289
290
292
294
295
296
297
300
306
309
309
309
306
305

Saturday 6

Waning Gibbous 93%

18:24

10:51

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
05 Bad

Sun - Rise: 08:42, Set: 17:12, Transit: 12:57. Moon - Rise: 18:24, Set: 10:51. Civil Dark: 17:48 - 08:06. Nautical Dark: 18:27 - 07:26. Astro Dark: 19:05 - 06:49

Total Clouds (% Sky Obscured)

74
75
94
97
100
98
92
94
78
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
57
59
64
58
55
73
40
48
48
45
53
72
67
36
19
6
45
59
75
84
93
95
98

Medium Clouds (% Sky Obscured)

27
5
25
78
100
54
32
45
27
58
84
100
85
100
100
100
100
100
95
100
81
100
100
100

High Clouds (% Sky Obscured)

40
56
80
84
100
43
40
41
40
57
100
100
100
100
100
100
100
100
100
84
71
60
73
87

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
6
1

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

7
1
2
1
1
6
20
22
21
8
3
2
1
2
2
0
3
43
82
94
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
1.4
1.9
1.4
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
84
85
82
78
75
76
75
73
76
79
83
84
85
87
90
93
95
95
93
91
93
96

Pressure (mb)

1005
1005
1006
1007
1008
1008
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1010
1009
1009
1008
1008

Ozone (du)

303
301
299
297
299
301
305
304
302
299
298
297
295
295
296
295
294
294
294
294
295
296
295
297

Sunday 7

Waning Gibbous 86%

19:47

11:41

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
05 Bad

Sun - Rise: 08:43, Set: 17:12, Transit: 12:57. Moon - Rise: 19:47, Set: 11:41. Civil Dark: 17:48 - 08:07. Nautical Dark: 18:27 - 07:27. Astro Dark: 19:05 - 06:49

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
99
97
96
93
90
87
88
89
90
91
93
94
95
96
97
98
99
100
98
97
95
96
98

Medium Clouds (% Sky Obscured)

100
100
99
98
99
99
100
100
100
100
98
95
94
95
97
99
99
100
100
99
97
96
96
95

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
86
100
77
79
92
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
85
65
27
44
60
56
72
68
45
44
43
42
50
56
50
75
75
61
49
74
77
95
95

Precipitation Amount (mm)

0.6
0.4
0.2
0
0
0.3
0
0.3
0.3
0
0
0
0
0
0.2
0
0.5
0.5
0.3
0
0.4
0.4
0.7
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
14
14
14
15
15
15
14
14
14
14
14
14
14
14
14
14
14
14
14
13
13
13

Feels Like (°C)

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

Dew Point (°C)

12
13
13
13
13
13
14
14
13
13
12
12
12
12
12
12
12
13
13
12
13
12
13
12

Relative Humidity (%)

93
93
93
92
92
92
93
93
92
90
87
87
86
86
90
90
92
93
93
92
93
93
95
93

Pressure (mb)

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

Ozone (du)

297
297
296
298
298
299
300
301
302
302
304
304
305
306
305
302
302
303
300
299
294
291
289
287

Monday 8

Waning Gibbous 77%

21:11

12:15

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
05 Bad

Sun - Rise: 08:44, Set: 17:11, Transit: 12:58. Moon - Rise: 21:11, Set: 12:15. Civil Dark: 17:48 - 08:08. Nautical Dark: 18:27 - 07:28. Astro Dark: 19:05 - 06:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
99
99

Low Clouds (% Sky Obscured)

100
90
81
71
69
68
66
63
62
61
66
67
72
67
69
71
75
79
83
63
47
33
35
34

Medium Clouds (% Sky Obscured)

94
96
98
96
99
100
82
77
82
77
73
68
67
83
88
87
83
79
76
86
90
91
93
97

High Clouds (% Sky Obscured)

100
100
100
98
90
80
66
78
89
100
100
100
100
100
100
100
100
100
100
93
86
80
86
94

ISS Passover

Visibility (miles)

8
6
6
9
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

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

Precipitation Probability (%)

95
95
90
51
47
42
33
36
50
54
33
27
5
0
0
0
15
25
33
44
48
48
39
29

Precipitation Amount (mm)

0.9
0.9
0.7
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
14
14
14
14
14
13
13
12
12
12
12
12
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
93
92
92
87
86
80
79
74
75
78
81
86
84
84
84
83
84
83
83
84
84
81

Pressure (mb)

1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1013
1012
1012

Ozone (du)

286
283
284
286
287
287
288
287
288
288
291
291
293
296
297
299
300
301
301
302
300
299
297
295

Tuesday 9

Waning Gibbous 67%

22:32

12:40

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
05 Bad

Sun - Rise: 08:45, Set: 17:11, Transit: 12:58. Moon - Rise: 22:32, Set: 12:40. Civil Dark: 17:48 - 08:09. Nautical Dark: 18:27 - 07:29. Astro Dark: 19:05 - 06:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
98
97
96
95
92
93
94
96
94
91
90
95
98

Low Clouds (% Sky Obscured)

35
47
65
88
87
88
88
79
69
64
70
66
67
62
54
51
66
79
91
87
83
79
79
80

Medium Clouds (% Sky Obscured)

100
100
99
98
98
99
99
83
67
51
47
39
34
50
52
54
61
75
88
87
81
77
84
89

High Clouds (% Sky Obscured)

100
100
100
100
99
99
99
93
85
78
54
29
10
10
10
25
37
35
29
21
12
4
20
38

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

Precipitation Probability (%)

17
44
61
69
74
72
58
60
58
51
46
39
13
19
19
16
13
11
8
13
22
34
37
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
13
13
13
13
13
13
12
12
11
11
11
11
12
12
13
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
79
79
79
80
79
79
79
76
74
72
72
72
73
75
76
77
76
75
74
77
83
87
89

Pressure (mb)

1011
1010
1010
1010
1010
1010
1009
1009
1009
1008
1007
1007
1007
1006
1006
1006
1005
1005
1004
1004
1004
1005
1005
1006

Ozone (du)

294
292
291
290
289
287
286
284
283
281
280
281
282
282
282
282
282
283
284
285
286
287
289
290

Wednesday 10

Waning Gibbous 67%

23:47

12:59

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 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 08:46, Set: 17:11, Transit: 12:59. Moon - Rise: 23:47, Set: 12:59. Civil Dark: 17:48 - 08:10. Nautical Dark: 18:27 - 07:30. Astro Dark: 19:05 - 06:52

Total Clouds (% Sky Obscured)

100
98
96
94
90
90
88
88
88
90
81
73
65
50
35
23
27
31
35

Low Clouds (% Sky Obscured)

78
75
75
76
70
62
54
45
37
29
34
42
45
50
35
23
27
31
35

Medium Clouds (% Sky Obscured)

97
91
83
81
74
71
70
78
81
88
76
62
51
27
12
0
9
17
26

High Clouds (% Sky Obscured)

55
55
54
53
44
26
9
14
20
24
34
43
47
29
12
0
17
30
35

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

38
36
33
31
33
30
20
9
3
1
5
7
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
93
95
95
86
79
71
72
75
76
80
87
91
93
93
94
94
94

Pressure (mb)

1006
1007
1008
1009
1009
1010
1011
1011
1011
1012
1012
1012
1013
1013
1014
1014
1015
1015
1014

Ozone (du)

291
293
295
297
300
302
304
306
308
311
314
315
317
319
320
322
324
318
311

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

Generated: 04/12/25 06:31:28. Forecast: 04/12/25 to 10/12/25. Timezone: UTC+1.00