Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 30

Waxing Gibbous 95%

17:52

06:48

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

Sun - Rise: 07:47, Set: 20:33, Transit: 14:10. Moon - Rise: 17:52, Set: 06:48. Civil Dark: 21:05 - 07:15. Nautical Dark: 21:42 - 06:37. Astro Dark: 22:22 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
68
61
66
53
56
53
49
66
60
62
58
91
81
85
56
57
45
65

Low Clouds (% Sky Obscured)

100
91
73
72
69
78
56
61
66
53
56
53
49
66
60
62
58
91
81
85
56
57
45
65

Medium Clouds (% Sky Obscured)

48
41
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
97
100
100
93
92
26
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
7
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 (%)

30
12
3
19
28
27
22
15
7
3
10
1
0
0
2
8
2
3
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
91
95
96
96
95
88
84
84
80
69
66
70
67
68
70
74
76
74
75
81
87
88

Pressure (mb)

1029
1028
1028
1027
1027
1027
1027
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1031
1031
1032
1032

Ozone (du)

328
325
323
322
321
320
321
319
319
319
320
319
319
319
318
317
317
318
318
318
317
318
319
319

Tuesday 31

Waxing Gibbous 99%

19:05

07:03

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:44, Set: 20:35, Transit: 14:10. Moon - Rise: 19:05, Set: 07:03. Civil Dark: 21:06 - 07:13. Nautical Dark: 21:44 - 06:35. Astro Dark: 22:24 - 05:55

Total Clouds (% Sky Obscured)

50
46
46
67
97
100
96
89
95
100
100
96
93
73
62
64
74
83
81
74
87
83
71
71

Low Clouds (% Sky Obscured)

50
37
37
50
61
83
92
81
74
87
93
66
58
59
47
47
58
67
71
71
86
81
71
71

Medium Clouds (% Sky Obscured)

0
7
7
19
20
38
38
29
54
78
52
46
84
24
15
21
25
36
44
23
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
62
99
77
32
46
34
89
25
20
11
0
0
1
2
2
0
0
0
0
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
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
0
0
0
0
0
0
1
0
2
22
26
19
17
14
4
2
3
11
14
15
2
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
96
96
94
93
91
91
88
83
80
79
82
82
82
86
89
92
96
98
93
88
96

Pressure (mb)

1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1032
1032
1031
1031
1030
1030
1030
1030
1031
1031
1031
1031
1030

Ozone (du)

318
321
321
318
316
314
315
315
316
317
318
319
320
320
324
330
324
324
321
321
324
325
324
324

Wednesday 1

Waxing Gibbous 100%

20:17

07:18

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:42, Set: 20:36, Transit: 14:09. Moon - Rise: 20:17, Set: 07:18. Civil Dark: 21:08 - 07:11. Nautical Dark: 21:46 - 06:33. Astro Dark: 22:26 - 05:53

Total Clouds (% Sky Obscured)

79
75
75
76
72
78
83
91
88
83
98
98
91
90
87
63
47
69
75
70
72
89
76
69

Low Clouds (% Sky Obscured)

79
75
75
76
72
78
82
90
88
83
98
98
91
90
87
63
47
66
72
70
72
89
76
69

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
2
4
2
3
0
26
23
20
16
54
26
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
2
6
11
2
2
2
7
4

ISS Passover

Visibility (miles)

9
9
9
9
5
6
5
1
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 (%)

2
0
0
0
0
0
1
0
4
2
15
14
7
19
13
2
2
1
0
0
0
2
3
2

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)

7
7
8
7
7
7
7
8
9
11
9
11
11
11
12
12
12
11
9
8
7
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
98
98
98
96
98
91
84
77
75
79
77
74
74
72
79
83
93
90
90
88
87

Pressure (mb)

1030
1030
1030
1029
1029
1028
1028
1028
1028
1028
1027
1027
1026
1026
1025
1024
1024
1023
1023
1024
1024
1023
1023
1022

Ozone (du)

323
323
323
323
323
325
325
326
326
326
326
326
328
330
333
335
336
337
331
330
329
333
333
331

Thursday 2

Full Moon 100%

21:28

07:32

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:40, Set: 20:38, Transit: 14:09. Moon - Rise: 21:28, Set: 07:32. Civil Dark: 21:09 - 07:09. Nautical Dark: 21:47 - 06:31. Astro Dark: 22:27 - 05:50

Total Clouds (% Sky Obscured)

91
93
91
93
95
97
93
89
85
87
87
87
83
78
72
68
82
90
86
82
79
80
85
85

Low Clouds (% Sky Obscured)

79
70
68
72
71
73
71
68
68
68
71
71
66
59
50
39
32
23
19
13
5
16
28
35

Medium Clouds (% Sky Obscured)

65
82
75
78
85
92
83
74
3
1
0
0
0
3
0
3
3
52
58
69
79
61
28
24

High Clouds (% Sky Obscured)

22
10
4
45
52
61
52
44
40
0
0
0
0
0
0
18
38
53
37
21
39
15
50
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
6
6
5
9
8
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 (%)

9
13
11
8
7
3
2
1
1
3
8
20
19
23
28
30
38
35
32
27
19
3
1
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
6
7
7
6
6
7
8
8
9
9
8
9
8
8
8
9
7
8
6
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
85
79
75
71
75
81
82
80
76
72
77
80
76
79
84
85
91
93
93
91
94

Pressure (mb)

1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

333
332
332
333
334
336
342
350
359
365
365
366
367
366
365
367
366
368
370
372
378
382
387
389

Friday 3

Waning Gibbous 99%

22:40

07:48

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:38, Set: 20:39, Transit: 14:09. Moon - Rise: 22:40, Set: 07:48. Civil Dark: 21:11 - 07:07. Nautical Dark: 21:49 - 06:28. Astro Dark: 22:29 - 05:48

Total Clouds (% Sky Obscured)

79
69
63
72
81
88
94
95
95
93
96
95
96
96
97
97
96
95
92
88
87
91
96
100

Low Clouds (% Sky Obscured)

34
26
17
36
58
78
85
89
92
87
81
75
82
88
95
94
93
92
84
77
69
64
59
57

Medium Clouds (% Sky Obscured)

27
30
63
42
55
69
66
69
79
77
80
82
81
81
80
78
77
75
68
64
65
59
50
32

High Clouds (% Sky Obscured)

45
33
15
10
1
1
4
10
7
8
8
7
4
4
5
5
5
9
9
5
10
40
69
98

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
3

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 (%)

6
35
15
3
0
2
2
4
10
5
6
8
18
21
22
27
29
28
24
19
11
14
12
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
91
93
93
93
93
87
80
71
71
71
77
84
90
89
87
87
87
89
90
92
95

Pressure (mb)

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

Ozone (du)

392
394
396
398
397
396
395
395
392
389
388
387
385
384
383
382
383
384
385
384
383
383
381
380

Saturday 4

Waning Gibbous 96%

23:51

08:06

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:36, Set: 20:40, Transit: 14:08. Moon - Rise: 23:51, Set: 08:06. Civil Dark: 21:12 - 07:05. Nautical Dark: 21:51 - 06:26. Astro Dark: 22:31 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
99
98
96
96
97
98
99
99
100
83
66
50
52
56
59
53
46
39
43
44
48

Low Clouds (% Sky Obscured)

62
68
71
77
82
90
88
85
82
76
71
65
54
43
32
34
35
37
32
29
26
30
32
38

Medium Clouds (% Sky Obscured)

26
13
9
6
3
0
0
0
0
14
27
40
41
39
37
50
56
59
53
46
39
43
44
48

High Clouds (% Sky Obscured)

98
98
97
78
57
36
52
70
85
90
94
98
72
45
20
27
36
41
48
46
39
43
44
43

ISS Passover

Visibility (miles)

0
3
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

10
7
1
6
9
5
10
9
1
2
4
0
0
0
0
1
3
4
29
47
67
89
93
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.7
0.4

Wind Speed/Direction (mph)

8
9
8
9
9
10
9
11
12
13
15
16
16
16
16
17
16
15
15
15
16
16
15
13

Chance of Frost

Temperature (°C)

11
11
10
10
10
10
11
11
12
13
14
15
16
16
15
15
14
14
13
12
12
11
11
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
93
90
87
84
84
81
80
74
69
64
66
69
72
73
72
75
80
87
93
91
88

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

378
378
379
379
379
380
380
377
374
371
369
368
366
365
364
363
362
361
360
359
359
358
360
362

Sunday 5

Waning Gibbous 91%

01:01

08:28

Sun - Rise: 07:34, Set: 20:42, Transit: 14:08. Moon - Rise: 01:01, Set: 08:28. Civil Dark: 21:14 - 07:02. Nautical Dark: 21:52 - 06:24. Astro Dark: 22:33 - 05:43

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 30/03/26 02:23:04. Forecast: 30/03/26 to 05/04/26. Timezone: UTC+2.00