Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 68%

15:12

04:18

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

Sun - Rise: 06:28, Set: 20:34, Transit: 13:32. Moon - Rise: 15:12, Set: 04:18. Civil Dark: 21:06 - 05:56. Nautical Dark: 21:46 - 05:16. Astro Dark: 22:29 - 04:32

Total Clouds (% Sky Obscured)

26
37
21
7
35
38
7
15
26
30
31
27
82
100
100
100
100
100
100
100
78
100
87
46

Low Clouds (% Sky Obscured)

26
8
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
6
9
14
18
17
17
15

Medium Clouds (% Sky Obscured)

26
32
0
0
0
0
0
0
0
0
0
0
0
0
2
11
53
100
100
100
78
85
82
13

High Clouds (% Sky Obscured)

1
0
1
7
35
38
2
7
15
15
27
24
81
100
100
100
100
100
100
100
22
100
45
1

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
1
1

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

Chance of Frost

Temperature (°C)

20
19
18
15
14
13
12
11
10
10
10
9
9
9
12
15
17
18
19
20
21
21
21
21

Feels Like (°C)

18
18
17
15
12
12
11
11
10
9
7
7
7
7
11
13
15
16
17
18
19
19
18
19

Dew Point (°C)

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

Relative Humidity (%)

41
50
62
69
71
71
72
72
72
73
73
73
75
74
70
60
55
50
46
44
42
41
44
46

Pressure (mb)

1016
1016
1017
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

357
354
354
353
353
354
356
357
357
359
361
362
362
364
369
368
368
369
371
372
370
369
369
373

Sunday 26

Waxing Gibbous 78%

16:22

04:36

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

Sun - Rise: 06:27, Set: 20:35, Transit: 13:31. Moon - Rise: 16:22, Set: 04:36. Civil Dark: 21:07 - 05:54. Nautical Dark: 21:47 - 05:14. Astro Dark: 22:31 - 04:29

Total Clouds (% Sky Obscured)

36
29
36
2
0
0
18
6
23
27
28
56
55
41
22
27
42
39
43
61
68
83
53
73

Low Clouds (% Sky Obscured)

36
24
14
1
0
0
10
2
12
16
14
14
11
0
0
0
0
3
15
15
14
6
21
24

Medium Clouds (% Sky Obscured)

0
0
21
0
0
0
0
0
0
0
0
0
4
5
0
0
1
2
1
20
0
24
4
31

High Clouds (% Sky Obscured)

1
1
1
1
0
0
1
1
2
3
8
25
20
20
19
26
42
39
28
40
57
70
30
25

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 (%)

2
4
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
4
8
12

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)

5
4
3
2
4
4
5
5
6
4
4
5
6
6
4
0
3
6
7
7
7
7
7
6

Chance of Frost

Temperature (°C)

20
19
17
15
14
12
12
11
11
10
10
10
10
10
13
16
18
20
21
22
22
22
22
21

Feels Like (°C)

19
19
17
15
14
13
12
12
11
11
10
9
8
8
12
16
18
18
18
20
20
19
20
19

Dew Point (°C)

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

Relative Humidity (%)

51
58
73
78
79
81
84
84
85
87
87
88
87
85
76
64
55
47
40
37
36
37
39
41

Pressure (mb)

1018
1018
1019
1020
1020
1020
1020
1021
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1017
1017
1017
1016
1016

Ozone (du)

375
375
373
372
372
372
373
373
373
372
371
370
369
365
361
359
358
359
359
357
355
355
355
355

Monday 27

Waxing Gibbous 86%

17:31

04:53

18 Bad
19 Bad
20 OK
21 OK
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

Sun - Rise: 06:25, Set: 20:36, Transit: 13:31. Moon - Rise: 17:31, Set: 04:53. Civil Dark: 21:09 - 05:53. Nautical Dark: 21:49 - 05:12. Astro Dark: 22:34 - 04:27

Total Clouds (% Sky Obscured)

56
55
35
19
62
85
94
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
15
0
0
0
12
21
21
33
43
60
48
44
26
68
78
47
53
44
57
60
56
58
92

Medium Clouds (% Sky Obscured)

39
28
0
0
19
27
42
64
100
100
100
97
86
100
100
97
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

15
34
35
10
29
54
83
100
100
100
98
100
84
10
50
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

11
7
5
3
1
0
0
0
1
14
27
26
37
46
59
45
42
49
63
73
76
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.7
1
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
19
18
15
14
14
13
12
12
13
14
13
13
13
14
15
15
16
16
17
17
16
16
15

Feels Like (°C)

19
19
18
15
13
12
11
10
10
11
12
11
12
11
12
13
14
14
15
15
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

43
50
65
68
69
70
70
72
72
71
70
69
70
75
75
73
68
67
71
71
74
73
72
77

Pressure (mb)

1016
1016
1017
1017
1018
1018
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013

Ozone (du)

355
355
355
356
357
357
358
357
356
357
359
361
363
363
363
365
364
364
364
363
364
365
365
365

Tuesday 28

Waxing Gibbous 92%

No Rise

05:10

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:23, Set: 20:37, Transit: 13:31. Moon - Rise: No Rise, Set: 05:10. Civil Dark: 21:10 - 05:51. Nautical Dark: 21:50 - 05:10. Astro Dark: 22:36 - 04:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
97
93
90
94
96
98
99
99
100
100
100
100
99

Low Clouds (% Sky Obscured)

90
89
89
88
84
76
69
64
58
58
54
48
55
60
62
58
51
26
26
24
37
47
63
58

Medium Clouds (% Sky Obscured)

100
100
98
96
94
91
88
85
77
67
65
48
54
46
57
70
85
86
86
87
89
92
96
92

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
92
83
76
78
80
81
82
85
89
92
96
100
99

ISS Passover

Visibility (miles)

3
3
3
4
3
4
9
7
5
1
5
9
5
3
5
5
9
9
9
9
5
5
6
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

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

Precipitation Probability (%)

95
95
95
95
95
76
64
62
60
50
49
57
69
62
38
27
26
26
31
38
49
62
69
75

Precipitation Amount (mm)

1.5
1.4
1
0.8
0.9
0.4
0.2
0.3
0.2
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0.3
0.4
0.4

Wind Speed/Direction (mph)

2
3
2
0
0
0
0
0
0
0
0
1
1
2
3
2
1
0
1
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
90
93
93
95
96
95
96
96
96
95
96
98
98
98
95
93
90
89
79
69
65
69
71

Pressure (mb)

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

Ozone (du)

365
366
366
365
364
365
365
366
367
367
366
367
368
368
368
368
367
366
365
366
366
365
363
362

Wednesday 29

Waxing Gibbous 97%

18:39

05:27

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:22, Set: 20:39, Transit: 13:31. Moon - Rise: 18:39, Set: 05:27. Civil Dark: 21:11 - 05:49. Nautical Dark: 21:52 - 05:08. Astro Dark: 22:38 - 04:22

Total Clouds (% Sky Obscured)

100
100
100
99
84
100
99
100
98
96
96
93
93
95
97
94
91
86
81
76
84
91
98
97

Low Clouds (% Sky Obscured)

69
67
77
55
37
24
20
18
22
16
16
10
5
0
0
0
0
2
6
14
20
25
30
36

Medium Clouds (% Sky Obscured)

94
96
98
96
63
100
98
100
77
61
28
20
11
3
56
65
75
66
52
33
44
60
72
64

High Clouds (% Sky Obscured)

97
96
81
62
43
33
22
11
8
4
0
0
0
5
55
51
45
35
26
24
51
75
98
97

ISS Passover

Visibility (miles)

6
7
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

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

Precipitation Probability (%)

87
95
77
52
42
40
35
25
30
28
13
23
14
1
19
21
21
20
19
19
20
28
39
48

Precipitation Amount (mm)

0.6
1.2
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

1
0
0
0
0
0
0
0
1
1
1
2
2
2
1
1
0
1
1
1
2
2
4
6

Chance of Frost

Temperature (°C)

17
16
15
14
14
13
13
12
12
11
12
10
10
10
13
15
17
19
21
22
23
23
22
22

Feels Like (°C)

16
15
14
13
12
11
10
9
10
8
9
8
7
7
10
11
12
12
13
14
15
23
22
21

Dew Point (°C)

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

Relative Humidity (%)

74
82
82
87
87
89
89
87
87
90
88
88
87
85
83
69
59
49
46
43
40
40
42
43

Pressure (mb)

1013
1013
1014
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1017
1016
1016

Ozone (du)

363
363
363
363
364
363
361
360
357
356
357
357
356
357
355
354
353
352
350
348
346
344
342
341

Thursday 30

Waxing Gibbous 99%

19:47

05:46

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 OK
04 OK
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

Sun - Rise: 06:20, Set: 20:40, Transit: 13:31. Moon - Rise: 19:47, Set: 05:46. Civil Dark: 21:13 - 05:48. Nautical Dark: 21:54 - 05:06. Astro Dark: 22:40 - 04:20

Total Clouds (% Sky Obscured)

95
93
74
58
47
42
38
28
27
30
33
43
54
64
74
83
92
94
96
99
99
99
100
100

Low Clouds (% Sky Obscured)

40
38
38
37
47
42
32
21
13
6
0
0
1
1
4
9
15
18
17
13
24
33
43
42

Medium Clouds (% Sky Obscured)

54
44
47
47
47
30
13
2
1
1
1
11
21
31
37
45
53
60
78
92
89
86
83
86

High Clouds (% Sky Obscured)

95
93
74
58
47
42
38
28
27
30
33
41
29
17
26
33
46
40
35
43
71
87
100
100

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
7
5
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

Very 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
Light Rain
Light Rain

Precipitation Probability (%)

55
79
59
39
23
42
35
11
18
20
12
20
19
4
7
6
1
24
31
29
48
56
80
77

Precipitation Amount (mm)

0.3
1.2
0.5
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.4

Wind Speed/Direction (mph)

3
0
0
0
0
4
4
5
6
6
6
6
6
6
5
3
2
4
4
4
3
4
5
6

Chance of Frost

Temperature (°C)

20
19
18
17
16
14
14
13
12
11
11
10
12
13
14
16
18
20
21
22
22
21
20
20

Feels Like (°C)

21
22
22
16
17
16
16
16
15
11
11
10
10
10
10
14
15
15
17
17
18
21
20
19

Dew Point (°C)

10
12
14
14
13
12
11
10
9
9
9
8
9
9
10
11
11
11
11
11
12
12
12
13

Relative Humidity (%)

53
65
81
82
83
84
84
86
86
86
85
84
83
80
78
69
61
54
53
52
50
54
60
65

Pressure (mb)

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

Ozone (du)

340
339
338
338
338
338
339
340
342
342
342
342
342
342
343
342
342
341
341
340
340
339
338
338

Friday 1

Full Moon 100%

20:55

06:10

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:19, Set: 20:41, Transit: 13:31. Moon - Rise: 20:55, Set: 06:10. Civil Dark: 21:14 - 05:46. Nautical Dark: 21:55 - 05:05. Astro Dark: 22:42 - 04:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
97
100
100
97
97
95
90
86
90
91
97

Low Clouds (% Sky Obscured)

47
55
61
66
70
52
35
19
26
35
44
51
48
55
55
55
60
61
62
66

Medium Clouds (% Sky Obscured)

90
92
90
95
97
93
92
87
92
96
95
95
96
96
94
90
86
90
91
97

High Clouds (% Sky Obscured)

100
100
97
95
92
95
99
100
89
84
81
82
79
77
45
26
26
16
9
3

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

89
95
95
90
81
76
65
38
55
63
56
58
55
48
48
52
68
74
95
95

Precipitation Amount (mm)

0.6
1.3
1
0.6
0.5
0.4
0.3
0
0
0.3
0.2
0.3
0.2
0
0
0
0.4
0.2
0.6
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
17
16
15
14
14
14
14
13
13
13
13
13
14
15
17
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
79
89
89
89
89
92
95
96
98
98
98
98
96
95
93
93
93
93
96

Pressure (mb)

1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

338
338
338
339
341
342
342
341
341
341
340
340
340
341
342
346
350
354
354
353

Forecast for Ugine, Savoy, France (45.75,6.42)

Generated: 25/04/26 18:58:54. Forecast: 25/04/26 to 01/05/26. Timezone: UTC+2.00