Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 29

Waxing Gibbous 97%

19:16

05:54

07 OK
08 OK
09 OK
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
06 Bad

Sun - Rise: 06:47, Set: 21:17, Transit: 14:03. Moon - Rise: 19:16, Set: 05:54. Civil Dark: 21:51 - 06:12. Nautical Dark: 22:35 - 05:28. Astro Dark: 23:26 - 04:37

Total Clouds (% Sky Obscured)

20
24
32
68
100
100
100
82
96
100
66
85
95
95
77
88
97
100
100
89
100
100
80
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
44
25
5
7
23
16
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
0
0
0
45
100
100
82
94
95
66
57
64
38
43
52
39
59
100
89
65
66
80
100

High Clouds (% Sky Obscured)

0
4
10
66
100
100
88
57
71
99
45
68
91
92
75
84
95
100
100
23
100
100
66
100

ISS Passover

Visibility (miles)

9
9
6
9
9
9
9
9
9
9
9
9
9
7
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 (%)

2
2
0
14
0
0
0
1
8
10
9
20
27
26
13
2
0
1
4
6
15
13
7
11

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
8
10
14
15
15
16
16
15
15
16
15
14
13
13
14
15
17
17
16
16
15
15

Chance of Frost

Temperature (°C)

9
10
13
15
17
18
18
19
20
21
22
23
23
22
21
19
18
18
18
17
16
15
15
14

Feels Like (°C)

8
9
11
14
14
14
15
15
16
17
19
19
19
18
17
14
14
13
13
12
10
10
9
8

Dew Point (°C)

9
10
11
14
14
13
13
13
14
15
17
18
18
17
15
13
12
12
12
11
9
8
7
5

Relative Humidity (%)

95
95
92
90
82
73
69
67
67
70
71
71
71
73
71
67
66
66
67
64
61
61
58
56

Pressure (mb)

1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

408
404
398
391
388
385
380
377
375
371
369
368
367
366
365
364
363
362
362
362
362
362
360
360

Thursday 30

Waxing Gibbous 99%

20:27

06:11

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
06 Bad

Sun - Rise: 06:46, Set: 21:18, Transit: 14:03. Moon - Rise: 20:27, Set: 06:11. Civil Dark: 21:53 - 06:11. Nautical Dark: 22:37 - 05:26. Astro Dark: 23:28 - 04:35

Total Clouds (% Sky Obscured)

100
100
96
100
100
100
100
100
100
81
92
96
100
100
100
100
100
99
83
66
83
86
94
93

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
34
42
48
53
56
83
86
88
87

Medium Clouds (% Sky Obscured)

100
100
96
100
100
100
100
100
100
56
49
51
53
16
23
34
42
34
32
23
28
23
27
38

High Clouds (% Sky Obscured)

100
66
42
38
78
85
40
73
88
24
61
92
100
100
98
80
77
76
42
2
6
3
1
0

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
1
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 (%)

5
1
0
0
0
0
0
0
1
2
5
4
4
1
1
3
3
1
0
0
0
0
5
8

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)

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

Chance of Frost

Temperature (°C)

13
13
14
14
16
18
19
21
21
22
23
23
22
21
19
17
16
16
15
14
14
13
13
14

Feels Like (°C)

8
8
9
10
11
14
15
17
18
19
21
21
21
20
18
16
15
15
14
15
14
14
14
13

Dew Point (°C)

5
6
7
8
9
10
12
14
14
14
15
16
17
17
15
13
13
12
13
13
13
12
12
13

Relative Humidity (%)

55
61
64
66
63
60
62
63
61
60
61
63
71
76
80
79
81
80
87
93
93
95
95
95

Pressure (mb)

1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019

Ozone (du)

359
359
359
359
359
359
358
358
357
357
357
358
360
360
360
360
360
361
359
357
357
357
357
357

Friday 1

Full Moon 100%

21:37

06:32

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
06 Bad

Sun - Rise: 06:44, Set: 21:20, Transit: 14:03. Moon - Rise: 21:37, Set: 06:32. Civil Dark: 21:55 - 06:09. Nautical Dark: 22:39 - 05:24. Astro Dark: 23:30 - 04:32

Total Clouds (% Sky Obscured)

99
98
95
96
89
85
85
92
96
96
82
81
100
100
100
98
97
92
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
98
87
86
65
45
56
63
68
29
5
30
40
41
50
40
34
14
73
82
91
100
99
98

Medium Clouds (% Sky Obscured)

40
50
57
31
42
44
58
66
55
64
48
22
13
65
94
77
34
9
0
45
54
81
85
92

High Clouds (% Sky Obscured)

1
0
0
0
1
0
0
2
7
6
16
50
100
100
100
44
88
67
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
7
8
9
9
8
9
4
3
7
7
6
5
4
4
4
1
6
0
1
5
1
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
Very Light Rain
None
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
23
9
24
38
52
50
65
66
60
65
65
51
44
30
18
18
2
0
5
4
3
22
15

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0.4
0.3
0
0.3
0.3
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
15
15
16
18
19
20
20
20
20
19
19
19
17
15
14
14
13
12
12
12
12
12

Feels Like (°C)

13
13
14
14
15
16
18
18
19
19
19
20
19
19
17
15
14
13
12
11
11
11
11
11

Dew Point (°C)

13
13
14
14
15
15
16
15
16
16
16
17
17
17
15
14
14
13
13
12
12
12
11
11

Relative Humidity (%)

95
95
95
95
90
83
81
75
74
76
77
84
85
86
89
95
96
98
98
98
96
98
96
95

Pressure (mb)

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

Ozone (du)

357
357
356
356
355
354
353
351
351
352
352
351
351
353
362
361
360
362
363
362
360
359
357
358

Saturday 2

Waning Gibbous 98%

22:48

06:59

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
06 Bad

Sun - Rise: 06:42, Set: 21:21, Transit: 14:02. Moon - Rise: 22:48, Set: 06:59. Civil Dark: 21:56 - 06:07. Nautical Dark: 22:41 - 05:22. Astro Dark: 23:33 - 04:29

Total Clouds (% Sky Obscured)

100
100
99
99
90
81
76
76
76
77
85
90
95
97
98
100
100
100
99
100
98
98
96
100

Low Clouds (% Sky Obscured)

93
94
91
86
60
50
33
21
16
15
15
19
2
17
30
48
46
52
46
55
58
63
70
74

Medium Clouds (% Sky Obscured)

97
97
96
95
83
72
65
69
74
77
84
89
95
97
98
99
98
97
87
96
88
50
51
53

High Clouds (% Sky Obscured)

100
95
90
85
73
57
44
43
42
45
47
50
53
61
75
100
100
100
83
99
70
73
68
100

ISS Passover

Visibility (miles)

7
5
6
5
9
9
9
8
4
9
9
9
5
9
9
9
9
8
9
4
0
3
8
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

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

Precipitation Probability (%)

46
47
44
35
24
32
48
51
45
33
49
53
49
41
57
37
51
63
58
62
62
42
60
73

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
13
14
15
16
18
18
19
20
20
19
19
18
18
16
15
14
14
13
13
13
13
13
13

Feels Like (°C)

12
12
13
14
15
16
16
18
18
18
19
17
17
16
16
14
13
13
12
11
13
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
89
83
79
80
81
80
85
91
88
89
92
95
96
96
96
98
100
98
96
96
95

Pressure (mb)

1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014
1013
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

358
357
357
356
358
358
358
359
361
362
363
364
368
370
374
377
381
384
383
382
382
385
386
390

Sunday 3

Waning Gibbous 95%

23:55

06:59

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 Good
23 OK
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:41, Set: 21:22, Transit: 14:02. Moon - Rise: 23:55, Set: 06:59. Civil Dark: 21:58 - 06:05. Nautical Dark: 22:43 - 05:20. Astro Dark: 23:36 - 04:27

Total Clouds (% Sky Obscured)

78
88
94
90
96
100
100
100
100
96
83
80
80
27
14
0
10
19
29
43
57
71
71
68

Low Clouds (% Sky Obscured)

78
80
82
80
86
91
93
93
92
92
83
80
80
18
9
0
9
18
27
38
48
56
60
66

Medium Clouds (% Sky Obscured)

51
52
50
50
63
69
70
74
82
85
83
80
70
16
6
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

67
72
75
85
80
85
85
90
90
91
83
80
80
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
7
9
9
9
7
9
8
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

80
91
95
95
95
95
95
95
95
78
82
82
70
14
9
1
2
2
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.6
0.9
1.3
0.9
0.7
0.6
0.8
0.7
0.2
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
13
14
15
15
16
16
16
16
16
16
16
15
14
13
11
10
9
9
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
95
86
76
72
74
73
72
71
62
61
66
71
78
84
91
93
93
95
95
95
96
96

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

390
386
385
383
383
383
383
382
381
381
380
380
381
383
384
385
385
386
386
386
386
386
386
387

Monday 4

Waning Gibbous 90%

00:56

07:33

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
06 Bad

Sun - Rise: 06:39, Set: 21:24, Transit: 14:02. Moon - Rise: 00:56, Set: 07:33. Civil Dark: 21:59 - 06:04. Nautical Dark: 22:45 - 05:18. Astro Dark: 23:38 - 04:24

Total Clouds (% Sky Obscured)

69
72
75
78
82
88
93
93
90
90
76
63
51
52
56
69
66
63
54
59
62
62
57
61

Low Clouds (% Sky Obscured)

69
65
61
53
58
63
69
66
63
62
50
36
23
16
9
0
15
30
45
49
54
59
46
36

Medium Clouds (% Sky Obscured)

1
20
40
61
64
71
79
83
87
90
66
47
28
33
31
24
11
4
3
5
9
10
11
14

High Clouds (% Sky Obscured)

0
6
9
13
15
16
14
9
7
9
6
4
4
2
1
0
0
0
0
0
0
0
10
23

ISS Passover

Visibility (miles)

9
9
9
9
9
7
4
2
3
4
5
6
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
5
6
5
34
49
61
71
77
83
78
72
65
52
40
19
18
13
4
9
10
5
13
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
11
12
14
15
15
16
16
16
15
15
14
14
13
11
10
10
9
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
90
86
82
79
78
75
77
78
79
78
78
79
83
88
93
95
95
98
96
98
98
98

Pressure (mb)

1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1012
1012
1012

Ozone (du)

387
388
388
387
387
387
388
388
390
393
395
396
396
396
394
391
389
389
389
389
388
387
386
385

Tuesday 5

Waning Gibbous 83%

01:47

08:17

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

Sun - Rise: 06:38, Set: 21:25, Transit: 14:02. Moon - Rise: 01:47, Set: 08:17. Civil Dark: 22:01 - 06:02. Nautical Dark: 22:46 - 05:16. Astro Dark: 23:41 - 04:21

Total Clouds (% Sky Obscured)

67
60
53
48
51
47
49
45
42
35
32
25
20
17
17
18
26
34
42

Low Clouds (% Sky Obscured)

29
40
50
48
51
47
49
45
42
35
32
25
20
17
17
18
26
34
42

Medium Clouds (% Sky Obscured)

17
21
22
16
16
14
12
10
10
8
5
3
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
23
12
0
0
0
0
0
0
0
0
0
0
0
0
0
17
30
42

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

Precipitation Probability (%)

11
29
37
41
45
50
56
59
55
46
35
23
10
13
10
0
1
2
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
9
10
12
14
15
16
17
17
17
18
16
15
14
12
10
9
8
8

Feels Like (°C)

7
7
9
10
11
12
12
13
18
18
17
17
18
18
13
12
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

96
96
88
83
78
69
63
56
55
55
54
61
69
78
83
88
95
95
96

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1012
1012

Ozone (du)

383
381
379
377
375
376
376
376
374
373
372
371
370
369
368
367
366
368
369

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

Generated: 29/04/26 07:56:35. Forecast: 29/04/26 to 05/05/26. Timezone: UTC+2.00