Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 34%

13:23

21:31

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

Sun - Rise: 08:30, Set: 17:16, Transit: 12:53. Moon - Rise: 13:23, Set: 21:31. Civil Dark: 17:52 - 07:54. Nautical Dark: 18:31 - 07:16. Astro Dark: 19:08 - 06:38

Total Clouds (% Sky Obscured)

49
52
57
56
40
50
11
0
0
5
28
26
24
65
100
54
65
55
47
56
100
100
93
86

Low Clouds (% Sky Obscured)

49
52
57
45
40
50
11
0
0
5
28
26
24
32
30
28
25
25
28
42
34
0
0
0

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
6
2
3
5
33
37
93
86

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
45
98
42
34
43
35
30
100
95
25
36

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
88
91
89
88
88
89
89
89
89
89
91
89
91
89
84
76
70
68
67
65
71
78
83

Pressure (mb)

1019
1020
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024

Ozone (du)

298
302
303
302
300
297
292
289
289
291
290
291
286
285
284
283
284
283
282
281
279
279
276
275

Wednesday 26

Waxing Crescent 44%

13:42

22:45

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: 08:31, Set: 17:16, Transit: 12:53. Moon - Rise: 13:42, Set: 22:45. Civil Dark: 17:51 - 07:56. Nautical Dark: 18:30 - 07:17. Astro Dark: 19:08 - 06:39

Total Clouds (% Sky Obscured)

95
90
100
98
100
98
100
100
97
100
99
90
89
76
97
91
100
100
98
99
96
100
100
100

Low Clouds (% Sky Obscured)

37
80
100
82
79
95
97
100
87
84
79
65
66
65
72
73
90
91
84
73
73
61
59
56

Medium Clouds (% Sky Obscured)

95
90
95
98
100
85
94
50
81
53
49
39
37
13
22
25
44
48
51
74
83
91
92
90

High Clouds (% Sky Obscured)

2
3
2
1
3
35
100
77
51
25
25
29
9
18
72
49
100
90
62
50
55
100
100
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
12
27
54
73
92
95
95
77
49
20
11
2
1
0
1
1
1
1
1
10
4
9
14

Precipitation Amount (mm)

0
0
0
0
0.3
0.6
0.8
0.9
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
3
2
2
2
2
2
2
3
3
4
5
5
6
7
8
9
10
10
10
9
8

Dew Point (°C)

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

Relative Humidity (%)

83
83
82
79
81
83
88
91
91
93
93
94
94
96
96
96
93
91
86
80
83
84
86
88

Pressure (mb)

1024
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1020
1020

Ozone (du)

274
272
271
270
268
267
266
267
266
265
265
265
265
265
264
264
264
263
263
262
263
263
262
262

Thursday 27

Waxing Crescent 41%

13:59

00:00

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: 08:32, Set: 17:15, Transit: 12:54. Moon - Rise: 13:59, Set: 00:00. Civil Dark: 17:51 - 07:57. Nautical Dark: 18:30 - 07:18. Astro Dark: 19:07 - 06:40

Total Clouds (% Sky Obscured)

98
95
100
100
100
100
94
100
100
100
100
100
99
99
100
100
100
100
100
100
100
95
90
87

Low Clouds (% Sky Obscured)

64
85
100
100
100
100
87
81
82
74
86
80
90
85
90
89
86
80
80
70
77
68
59
49

Medium Clouds (% Sky Obscured)

93
71
96
100
70
70
39
1
27
44
77
82
65
80
89
86
100
100
100
100
82
28
19
13

High Clouds (% Sky Obscured)

53
67
65
51
35
40
35
100
95
86
78
72
91
87
81
81
67
71
86
93
100
82
63
45

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
1
4
2
10
10
10
10
10
10
10
10
10
10
10
10

Precipitation Type

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

Precipitation Probability (%)

9
22
31
33
44
43
42
35
16
31
66
92
34
48
76
68
52
71
49
54
54
40
26
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.9
0
0.2
0.5
0.3
0.2
0.4
0.2
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
91
93
95
96
96
100
98
98
98
98
98
98
98
98
96
89
84
74
71
74
79
81

Pressure (mb)

1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1014
1015
1015

Ozone (du)

261
259
259
256
254
254
255
257
259
259
260
261
263
264
266
266
264
264
267
271
273
275
279
279

Friday 28

First Quarter 55%

14:14

01:15

19 OK
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: 08:34, Set: 17:15, Transit: 12:54. Moon - Rise: 14:14, Set: 01:15. Civil Dark: 17:50 - 07:58. Nautical Dark: 18:29 - 07:19. Astro Dark: 19:07 - 06:42

Total Clouds (% Sky Obscured)

28
21
18
22
58
76
84
87
100
100
97
100
100
100
100
100
100
100
94
71
81
56
48
48

Low Clouds (% Sky Obscured)

28
21
7
6
5
4
3
2
1
11
7
24
23
50
67
70
73
76
77
71
81
56
48
48

Medium Clouds (% Sky Obscured)

9
5
4
5
3
6
66
51
68
79
85
93
100
100
100
100
100
97
55
55
73
35
17
2

High Clouds (% Sky Obscured)

2
2
6
11
42
59
58
70
98
82
67
92
93
92
100
100
100
100
90
71
65
43
22
0

ISS Passover

Visibility (miles)

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

Fog (%)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Precipitation Type

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

Precipitation Probability (%)

14
13
5
6
4
1
2
2
0
1
2
2
8
44
86
95
67
33
65
91
95
95
95
79

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1
0.2
0
0.2
0.5
0.9
0.9
0.7
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
87
90
90
91
93
94
94
94
94
93
91
90
87
88
93
91
90
87
73
66
70
77
84

Pressure (mb)

1015
1015
1016
1016
1015
1015
1015
1014
1014
1013
1012
1012
1011
1010
1009
1009
1008
1008
1007
1005
1004
1003
1003
1003

Ozone (du)

277
277
278
279
281
284
287
288
288
291
295
296
296
298
300
303
307
311
318
324
325
334
342
348

Saturday 29

Waxing Gibbous 66%

14:30

02:33

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: 08:35, Set: 17:14, Transit: 12:54. Moon - Rise: 14:30, Set: 02:33. Civil Dark: 17:50 - 07:59. Nautical Dark: 18:29 - 07:20. Astro Dark: 19:07 - 06:43

Total Clouds (% Sky Obscured)

73
87
92
92
83
86
86
91
100
88
77
65
50
52
57
70
83
96
95
94
93
96
96
100

Low Clouds (% Sky Obscured)

69
79
85
81
82
84
86
91
100
82
65
47
45
44
43
36
29
23
26
29
33
55
77
100

Medium Clouds (% Sky Obscured)

34
66
74
73
52
69
67
79
92
71
54
42
21
20
7
11
14
17
32
47
64
72
76
75

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
48
72
54
26
0
0
1
1

ISS Passover

Visibility (miles)

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

Fog (%)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Precipitation Type

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

Precipitation Probability (%)

53
30
28
51
62
71
94
95
95
95
95
76
26
16
6
11
9
5
12
13
15
26
38
53

Precipitation Amount (mm)

0.2
0
0
0
0.3
0.3
0.7
1.2
1.2
1.1
1.1
0.6
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
16
17
17
18
17
15
13
12
11
9
6
6
7
8
9
10
10
9
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
85
90
90
91
93
94
94
93
91
90
93
89
86
82
74
66
60
62
63
64
69
74

Pressure (mb)

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

Ozone (du)

345
347
347
344
344
343
343
343
343
338
335
333
333
334
336
337
335
333
331
330
328
327
322
318

Sunday 30

Waxing Gibbous 77%

14:48

03:54

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: 08:36, Set: 17:14, Transit: 12:55. Moon - Rise: 14:48, Set: 03:54. Civil Dark: 17:49 - 08:00. Nautical Dark: 18:28 - 07:21. Astro Dark: 19:06 - 06:44

Total Clouds (% Sky Obscured)

100
100
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
99
99
100

Low Clouds (% Sky Obscured)

99
99
98
95
92
89
82
74
70
81
84
88
90
90
93
92
89
85
85
85
85
76
69
59

Medium Clouds (% Sky Obscured)

54
49
39
29
19
14
29
44
58
76
88
100
100
100
99
99
98
98
98
98
97
90
78
64

High Clouds (% Sky Obscured)

30
61
91
94
97
100
99
98
97
98
98
98
97
97
91
86
87
89
81
73
65
80
88
99

ISS Passover

Visibility (miles)

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

Fog (%)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Precipitation Type

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

Precipitation Probability (%)

65
64
62
51
37
20
25
33
40
41
37
37
50
60
72
90
95
95
95
88
75
58
46
30

Precipitation Amount (mm)

0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.6
0.9
1.1
0.8
0.5
0.4
0.2
0
0

Wind Speed/Direction (mph)

7
7
7
7
7
6
6
6
5
5
6
7
8
10
11
12
13
14
15
15
16
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
81
82
82
82
82
82
83
83
85
83
84
84
85
85
85
88
90
95
95
93
93
93
95

Pressure (mb)

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

Ozone (du)

314
311
309
307
305
303
301
298
295
293
290
287
284
281
279
276
274
272
270
269
268
267
266
265

Monday 1

Waxing Gibbous 86%

15:09

05:19

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: 08:37, 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)

100
100
100
98
98
97
95
93
93
90
89
86
89
89
88
92
95
99

Low Clouds (% Sky Obscured)

54
54
54
61
67
67
72
75
78
74
69
67
64
63
61
59
56
55

Medium Clouds (% Sky Obscured)

56
58
55
52
47
44
47
52
61
67
69
75
53
43
33
37
40
44

High Clouds (% Sky Obscured)

99
100
100
92
83
80
85
90
90
83
76
65
62
54
50
53
55
54

ISS Passover

Visibility (miles)

5
7
8
9
9
9
9
7
5
2
5
7
9
9
9
8
9
9

Fog (%)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Precipitation Type

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

Precipitation Probability (%)

27
28
32
28
26
21
35
48
65
84
91
89
70
51
31
29
28
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
13
13
13
13
14
14
15
15
14
14
13
12
12
11
12
13

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
12
12
12
12
11
11
11
11
10
10
11
11

Feels Like (°C)

3
7
7
7
7
7
7
7
8
7
7
7
7
7
6
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
93
90
87
84
87
92
95
92
88
87
85
84
84
81
77

Pressure (mb)

1005
1005
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1006
1006
1007
1007
1007
1007

Ozone (du)

265
264
263
263
262
261
260
260
261
261
262
264
265
270
275
280
286
292

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

Generated: 25/11/25 19:44:11. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+1.00