Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 20%

05:58

16:08

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

Sun - Rise: 07:18, Set: 20:54, Transit: 14:06. Moon - Rise: 05:58, Set: 16:08. Civil Dark: 21:26 - 06:46. Nautical Dark: 22:06 - 06:06. Astro Dark: 22:49 - 05:20

Total Clouds (% Sky Obscured)

98
100
100
100
60
56
73
76
77
82
36
81
96
67
65
67
64
11
33
0
8
49
42
75

Low Clouds (% Sky Obscured)

98
100
100
92
60
56
44
34
33
31
26
51
85
26
54
64
64
11
0
0
0
4
28
35

Medium Clouds (% Sky Obscured)

2
2
3
3
3
0
25
28
28
35
8
57
77
43
31
3
0
2
19
0
3
16
9
24

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
2
4
2
5
25
1
1
0
0
0
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
94
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
16
19
21
26
21
23
28
22
17
0
0
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)

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

Chance of Frost

Temperature (°C)

4
4
4
5
7
9
10
12
12
13
14
14
14
13
12
10
9
8
7
6
6
5
5
4

Feels Like (°C)

4
4
4
6
7
8
10
11
11
12
12
11
11
12
11
10
9
6
6
6
5
5
4
3

Dew Point (°C)

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

Relative Humidity (%)

91
93
89
88
82
77
67
59
54
52
50
52
62
69
76
81
84
87
88
90
91
91
91
93

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015
1016
1017
1017
1018
1018
1018
1018
1018
1018

Ozone (du)

452
459
467
471
465
464
462
448
436
431
424
419
417
412
409
408
411
410
406
399
396
390
387
387

Tuesday 14

Waning Crescent 12%

05:58

17:24

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: 07:16, Set: 20:55, Transit: 14:06. Moon - Rise: 05:58, Set: 17:24. Civil Dark: 21:28 - 06:44. Nautical Dark: 22:08 - 06:04. Astro Dark: 22:51 - 05:17

Total Clouds (% Sky Obscured)

72
75
97
95
98
87
100
98
100
92
98
90
91
91
91
93
98
97
95
96
95
95
100
100

Low Clouds (% Sky Obscured)

43
47
61
94
86
69
100
94
100
81
97
61
70
52
79
80
71
84
85
92
89
86
100
100

Medium Clouds (% Sky Obscured)

17
24
40
44
49
39
41
38
36
42
47
61
81
85
78
75
52
52
48
43
32
37
53
69

High Clouds (% Sky Obscured)

20
2
4
36
19
31
39
34
49
12
11
7
20
7
11
18
80
76
27
33
38
36
32
40

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
1
5
14
14
5
7
0
0
0
2
2
8
7
5
2
1
1
1
0
0
1
3

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)

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

Chance of Frost

Temperature (°C)

4
5
5
7
8
9
11
12
13
14
15
15
15
15
14
13
13
12
12
12
12
12
11
11

Feels Like (°C)

3
3
3
4
5
6
8
9
9
12
13
13
13
13
12
11
11
10
9
10
9
9
9
9

Dew Point (°C)

3
4
5
6
7
8
10
11
11
13
13
13
13
13
12
12
12
11
11
11
10
10
10
9

Relative Humidity (%)

94
94
94
91
91
90
91
93
92
90
89
85
87
87
89
90
93
92
93
93
92
90
88
86

Pressure (mb)

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

Ozone (du)

383
379
375
373
371
369
367
364
363
363
363
361
360
359
357
355
355
356
355
354
352
350
348
345

Wednesday 15

Waning Crescent 6%

06:14

18:43

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 OK
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 OK

Sun - Rise: 07:14, Set: 20:56, Transit: 14:05. Moon - Rise: 06:14, Set: 18:43. Civil Dark: 21:29 - 06:42. Nautical Dark: 22:10 - 05:59. Astro Dark: 22:54 - 05:15

Total Clouds (% Sky Obscured)

97
97
94
96
98
100
99
100
97
84
70
77
95
75
70
52
52
42
23
24
62
71
77
36

Low Clouds (% Sky Obscured)

93
91
86
86
94
100
92
73
75
63
57
66
70
58
70
52
52
42
23
24
35
44
55
36

Medium Clouds (% Sky Obscured)

66
34
22
35
25
47
40
40
44
30
13
46
55
42
0
0
0
0
0
0
0
1
70
0

High Clouds (% Sky Obscured)

30
40
30
14
15
58
66
100
4
0
0
0
0
0
0
0
0
1
0
2
35
40
45
1

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

15
28
18
7
3
4
13
48
56
56
48
53
54
37
27
5
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
7
9
9
10
10
11
12
12
13
14
14
13
11
8
8
7
7
6
5
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
8
9
10
10
11
12
13
15
15
15
13
13
13
12
11
10
9
8
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

86
87
93
93
90
89
93
90
89
87
79
77
79
86
89
95
95
96
96
95
95
93
91
93

Pressure (mb)

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

Ozone (du)

344
342
342
341
341
344
347
349
355
356
358
361
364
362
360
358
358
360
364
365
363
364
365
364

Thursday 16

Waning Crescent 2%

06:30

20:05

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
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: 07:13, Set: 20:58, Transit: 14:05. Moon - Rise: 06:30, Set: 20:05. Civil Dark: 21:31 - 06:40. Nautical Dark: 22:11 - 05:57. Astro Dark: 22:56 - 05:12

Total Clouds (% Sky Obscured)

46
60
90
92
83
60
60
46
43
64
87
79
87
94
84
52
91
95
92
89
92
85
100
100

Low Clouds (% Sky Obscured)

46
60
58
56
56
51
46
41
34
26
20
24
24
22
22
24
26
18
9
0
0
0
0
16

Medium Clouds (% Sky Obscured)

0
0
7
16
23
26
26
22
22
25
25
23
22
15
18
19
20
21
35
66
48
32
29
33

High Clouds (% Sky Obscured)

9
23
54
65
66
38
27
7
25
57
86
73
70
64
68
52
88
86
78
73
82
81
100
97

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
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
7
7
10
12
15
16
17
18
18
17
16
16
14
11
11
9
7
7
7
6
6
5

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
90
86
79
70
63
59
57
54
53
55
63
70
71
71
76
76
80
82
82
84
84

Pressure (mb)

1023
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022
1022

Ozone (du)

361
360
359
358
356
356
357
357
356
355
354
353
350
350
352
352
351
352
351
350
351
351
350
349

Friday 17

New Moon 0%

06:49

21:30

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: 07:11, Set: 20:59, Transit: 14:05. Moon - Rise: 06:49, Set: 21:30. Civil Dark: 21:32 - 06:38. Nautical Dark: 22:13 - 05:55. Astro Dark: 22:58 - 05:10

Total Clouds (% Sky Obscured)

100
99
98
96
94
95
97
99
97
97
100
85
85
99
60
63
65
77
88
99
97
95
92
95

Low Clouds (% Sky Obscured)

33
47
47
47
47
47
44
42
41
38
35
34
32
32
31
21
10
7
3
0
0
1
2
1

Medium Clouds (% Sky Obscured)

52
87
88
39
36
53
90
95
86
85
97
84
80
70
19
41
65
77
88
99
97
93
88
91

High Clouds (% Sky Obscured)

94
91
84
76
66
77
84
93
92
94
100
85
85
91
26
29
29
43
53
64
65
72
78
61

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
2
2
0
0
0
0
0
0
0
0
0
1
1
1
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)

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

Chance of Frost

Temperature (°C)

7
7
8
10
12
14
15
17
18
18
19
19
18
18
16
15
14
12
12
11
11
11
11
10

Feels Like (°C)

5
5
6
8
10
12
14
16
17
18
18
18
19
18
13
14
13
12
11
10
10
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

85
84
82
78
72
70
68
64
61
57
54
55
57
70
82
83
83
83
84
87
88
88
88
88

Pressure (mb)

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

Ozone (du)

350
351
350
349
349
351
352
352
350
347
346
347
347
345
342
342
341
340
341
341
342
345
347
350

Saturday 18

Waxing Crescent 2%

07:11

22:59

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 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:09, Set: 21:01, Transit: 14:05. Moon - Rise: 07:11, Set: 22:59. Civil Dark: 21:34 - 06:36. Nautical Dark: 22:15 - 05:52. Astro Dark: 23:00 - 05:07

Total Clouds (% Sky Obscured)

97
100
92
85
83
75
57
43
52
72
81
89
94
97
96
94
92
79
66
55
51
49
50
69

Low Clouds (% Sky Obscured)

1
0
0
0
4
12
19
24
31
42
52
59
66
73
73
74
73
66
59
53
48
43
38
49

Medium Clouds (% Sky Obscured)

95
100
89
78
67
52
33
14
12
11
9
20
28
36
50
67
87
79
66
55
51
49
50
69

High Clouds (% Sky Obscured)

52
42
42
29
25
35
45
43
52
72
81
89
86
83
71
58
55
60
61
55
51
49
50
69

ISS Passover

Visibility (miles)

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

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 (%)

0
0
0
0
0
4
7
10
18
23
29
36
37
35
31
25
5
13
23
34
57
77
95
94

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
1.2
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
9
10
10
12
12
13
13
20
19
18
18
18
18
11
11
11
10
10
10
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

88
88
87
80
75
69
66
63
61
61
62
61
69
79
89
89
90
92
93
91
93
95
95
96

Pressure (mb)

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

Ozone (du)

353
356
360
366
372
378
376
374
372
369
365
362
361
361
360
361
362
362
363
363
363
367
370
373

Sunday 19

Waxing Crescent 7%

07:40

00:27

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: 07:07, Set: 21:02, Transit: 14:05. Moon - Rise: 07:40, Set: 00:27. Civil Dark: 21:36 - 06:34. Nautical Dark: 22:17 - 05:50. Astro Dark: 23:02 - 05:04

Total Clouds (% Sky Obscured)

74
77
81
85
87
86
88
88
86
84
85
78
74
66
70
70
65
66
67
68

Low Clouds (% Sky Obscured)

59
63
65
70
76
75
75
72
69
65
60
48
30
20
15
15
15
15
10
15

Medium Clouds (% Sky Obscured)

70
65
55
50
60
54
51
48
35
19
3
11
18
25
26
29
31
21
12
2

High Clouds (% Sky Obscured)

65
64
43
22
1
0
0
0
6
13
19
41
59
66
64
52
46
33
21
6

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

93
81
76
73
54
41
32
27
25
23
16
32
33
19
19
26
24
14
11
13

Precipitation Amount (mm)

0.8
0.4
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
96
95
95
93
92
90
92
93
95
95
96
95
98
98
98
98
96

Pressure (mb)

1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021

Ozone (du)

378
383
389
389
388
388
386
384
382
383
383
383
385
387
388
388
388
388
390
392

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

Generated: 13/04/26 06:43:41. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+2.00