Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Crescent 44%

13:42

00:00

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
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:31, Set: 17:16, Transit: 12:53. Moon - Rise: 13:42, Set: 00:00. Civil Dark: 17:51 - 07:56. Nautical Dark: 18:30 - 07:17. Astro Dark: 19:07 - 06:39

Total Clouds (% Sky Obscured)

98
97
100
95
96
92
90
98
100
100
100
99
97
100
100
100
100
100
100
95
100
100
100
100

Low Clouds (% Sky Obscured)

91
97
88
80
81
84
79
62
64
50
54
75
92
84
92
100
100
100
100
87
91
85
85
99

Medium Clouds (% Sky Obscured)

39
44
30
23
20
17
17
40
26
50
35
54
59
62
98
98
83
78
48
25
72
61
45
95

High Clouds (% Sky Obscured)

55
55
32
12
74
46
30
88
100
83
99
55
47
87
71
43
37
66
98
56
100
100
100
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
9
9
8
8
9
1
0

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

Precipitation Probability (%)

0
0
0
5
1
3
1
3
0
2
0
4
30
84
88
72
42
32
21
22
25
27
35
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.6
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
4
4
5
6
7
7
8
9
8
8
8
8
7
8
8
8
9
9
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

85
87
90
93
96
94
93
90
88
84
76
76
79
81
85
90
95
92
93
95
95
96
98
96

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018

Ozone (du)

258
258
258
258
258
257
258
258
257
256
257
257
259
258
254
252
251
250
249
251
251
254
254
253

Friday 28

First Quarter 55%

13:59

01:15

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

Sun - Rise: 08:32, Set: 17:15, Transit: 12:54. Moon - Rise: 13:59, Set: 01:15. Civil Dark: 17:51 - 07:57. Nautical Dark: 18:30 - 07:18. Astro Dark: 19:07 - 06:40

Total Clouds (% Sky Obscured)

99
100
94
100
100
100
100
92
79
75
47
46
9
36
46
38
52
96
99
100
100
97
99
100

Low Clouds (% Sky Obscured)

90
84
88
91
74
48
36
82
79
75
47
46
9
36
46
38
43
53
18
26
27
28
42
41

Medium Clouds (% Sky Obscured)

89
100
90
74
90
84
72
63
50
50
0
0
2
3
36
0
12
60
58
70
100
87
80
98

High Clouds (% Sky Obscured)

22
28
13
67
100
98
100
58
36
30
30
19
1
25
20
1
3
76
92
100
71
90
95
100

ISS Passover

Visibility (miles)

1
8
9
1
5
5
5
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
91
70
37
29
51
18
1
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.8
0.6
0.5
0
0
0.2
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
6
8
8
10
9
9
9
8
7
7
7
6
5
5
5
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
12
12
10
11
10
10
9
10
10
10
10
10
7
7
8
7
7
5
4
4
4
3

Dew Point (°C)

12
12
13
13
12
12
12
11
7
8
8
8
9
8
8
7
7
7
7
6
6
6
6
5

Relative Humidity (%)

98
96
98
98
96
96
95
87
69
70
71
75
83
87
87
87
90
91
93
94
96
94
94
94

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1017
1017
1017
1016
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015

Ozone (du)

254
256
258
261
263
261
260
262
264
266
266
269
269
270
272
274
274
274
276
278
278
280
281
284

Saturday 29

Waxing Gibbous 66%

14:14

02:33

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 OK
00 OK
01 Bad
02 OK
03 OK
04 Bad

Sun - Rise: 08:34, Set: 17:15, Transit: 12:54. Moon - Rise: 14:14, Set: 02:33. Civil Dark: 17:50 - 07:58. Nautical Dark: 18:29 - 07:19. Astro Dark: 19:07 - 06:42

Total Clouds (% Sky Obscured)

100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
83
81
73
17
31
30
28
25
33

Low Clouds (% Sky Obscured)

44
54
76
75
59
73
77
81
90
89
86
100
100
83
53
33
10
2
17
31
30
28
25
33

Medium Clouds (% Sky Obscured)

100
91
100
100
100
100
100
100
100
92
100
100
100
57
100
57
55
0
0
0
0
0
0
10

High Clouds (% Sky Obscured)

100
54
100
100
100
100
100
100
100
100
100
100
100
100
100
72
70
60
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
3
2
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
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
5
23
8
5
15
47
89
88
95
95
95
95
95
43
9
3
6
7
8
21
18
19
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.7
0.5
0.7
1.5
3.8
3.2
3.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
8
9
10
12
13
14
14
15
15
14
19
12
14
11
10
9
9
9
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
7
7
8
8
8
8
8
9
10
10
8
7
7
5
4
4
4
3
3
3
3
3

Relative Humidity (%)

94
93
91
93
91
88
87
84
87
91
93
95
88
81
84
78
78
88
88
88
88
86
85
86

Pressure (mb)

1014
1013
1012
1012
1011
1010
1009
1007
1006
1004
1002
1001
1001
1001
1002
1003
1004
1005
1006
1006
1006
1006
1007
1007

Ozone (du)

287
289
290
290
291
295
297
299
302
304
305
307
312
317
323
333
341
341
343
346
348
346
344
342

Sunday 30

Waxing Gibbous 77%

14:30

03:54

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 OK
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:35, Set: 17:14, Transit: 12:54. Moon - Rise: 14:30, Set: 03:54. Civil Dark: 17:50 - 07:59. Nautical Dark: 18:29 - 07:20. Astro Dark: 19:06 - 06:43

Total Clouds (% Sky Obscured)

49
74
75
85
81
77
73
48
35
39
43
38
36
35
38
43
77
36
56
36
53
72
90
94

Low Clouds (% Sky Obscured)

49
65
66
69
68
61
54
43
35
39
43
38
36
35
38
25
1
1
0
0
15
30
47
60

Medium Clouds (% Sky Obscured)

21
45
29
24
19
21
20
16
23
29
35
32
29
22
18
10
3
2
1
0
14
27
83
89

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
41
74
36
40
22
26
33
39
43

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

Precipitation Probability (%)

38
43
43
51
56
58
59
36
43
47
30
51
56
53
47
36
19
12
5
1
0
0
0
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
5
6
6
7
8
9
10
10
10
9
7
7
6
5
5
4
4
3
3
3
3
3

Feels Like (°C)

3
4
3
4
4
5
6
8
9
9
9
9
7
8
6
5
4
2
2
0
-1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

90
91
93
93
91
84
77
73
64
60
59
68
75
81
81
82
86
88
89
91
91
89
91
89

Pressure (mb)

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

Ozone (du)

342
343
345
341
341
343
344
338
336
331
326
321
319
317
314
312
308
305
303
301
298
294
291
288

Monday 1

Waxing Gibbous 86%

14:48

No Set

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
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:36, Set: 17:14, Transit: 12:55. Moon - Rise: 14:48, Set: No Set. Civil Dark: 17:49 - 08:00. Nautical Dark: 18:28 - 07:21. Astro Dark: 19:06 - 06:44

Total Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
96
92
89
85
81
77
76
71
65
61
56
52
67
82
96
98

Low Clouds (% Sky Obscured)

77
86
86
91
99
95
90
86
76
67
58
63
69
73
68
67
65
61
56
52
51
46
40
51

Medium Clouds (% Sky Obscured)

90
100
99
100
81
90
92
97
90
80
71
52
37
4
32
37
60
54
49
44
51
67
89
91

High Clouds (% Sky Obscured)

47
51
64
81
99
73
43
15
10
10
10
15
10
10
7
5
0
0
0
0
0
0
0
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
9
9
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

28
59
95
95
95
77
53
31
80
95
95
95
74
53
75
84
94
80
60
32
28
23
9
29

Precipitation Amount (mm)

0
0.3
0.7
1
0.8
0.3
0
0
0.4
0.8
1
0.7
0.3
0.2
0.5
0.6
0.7
0.5
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

7
9
10
12
13
14
15
15
15
15
15
16
15
16
16
16
15
14
13
12
12
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
83
83
86
88
84
82
78
80
83
83
84
85
84
87
85
85
84
85
88
93
90
90
90

Pressure (mb)

1013
1012
1011
1010
1009
1008
1007
1006
1005
1004
1003
1002
1002
1002
1003
1002
1002
1002
1003
1003
1004
1004
1004
1005

Ozone (du)

284
282
279
275
270
266
265
265
266
265
263
261
261
265
271
274
278
281
286
290
295
301
307
313

Tuesday 2

Waxing Gibbous 94%

15:09

05:19

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
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:37, Set: 17:13, Transit: 12:55. Moon - Rise: 15:09, Set: 05:19. Civil Dark: 17:49 - 08:02. Nautical Dark: 18:28 - 07:22. Astro Dark: 19:06 - 06:45

Total Clouds (% Sky Obscured)

97
96
83
70
45
52
74
99
99
100
100
100
100
100
95
91
91
95
98
100
96
90
78
61

Low Clouds (% Sky Obscured)

65
76
76
70
45
52
46
44
53
68
82
72
64
59
67
72
85
82
75
68
66
63
61
57

Medium Clouds (% Sky Obscured)

92
92
59
31
3
35
66
98
99
99
100
100
100
100
84
68
55
71
86
98
73
53
35
32

High Clouds (% Sky Obscured)

40
55
43
39
29
44
60
80
90
95
95
95
95
90
67
44
18
29
35
37
32
26
21
13

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

38
46
51
48
41
38
38
38
59
74
88
79
70
59
49
36
20
17
13
7
12
13
3
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
93
91
90
85
80
76
78
78
78
82
87
91
93
93
93
93
91
91
91
91
93

Pressure (mb)

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

Ozone (du)

313
314
314
314
313
312
314
315
316
316
317
317
318
318
318
318
319
319
318
318
318
319
321
322

Wednesday 3

Waxing Gibbous 98%

15:38

06:49

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

Sun - Rise: 08:38, Set: 17:13, Transit: 12:56. Moon - Rise: 15:38, Set: 06:49. Civil Dark: 17:49 - 08:03. Nautical Dark: 18:28 - 07:23. Astro Dark: 19:06 - 06:46

Total Clouds (% Sky Obscured)

55
52
40
30
24
22
17
15
21
26
32
35
37
39
58
76
93
95
98
100

Low Clouds (% Sky Obscured)

52
52
40
30
24
22
17
15
21
26
29
28
29
26
38
49
59
63
69
71

Medium Clouds (% Sky Obscured)

32
33
27
15
1
0
0
0
0
0
0
0
0
0
18
34
49
62
75
87

High Clouds (% Sky Obscured)

8
2
1
1
0
0
0
0
7
15
23
26
28
28
39
43
49
66
84
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

Fog (%)

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

Precipitation Probability (%)

12
7
12
14
7
6
5
1
4
4
2
3
4
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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
3
2
3
3
3
3
9
9
8
8
7
8
4
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
91
91
89
84
77
72
74
77
77
82
85
90
91
91
93
90
87

Pressure (mb)

1011
1011
1012
1012
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1011

Ozone (du)

323
323
324
322
321
319
318
317
317
315
313
310
309
308
306
306
306
306
305
304

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

Generated: 27/11/25 05:52:36. Forecast: 27/11/25 to 03/12/25. Timezone: UTC+1.00