Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 25%

13:22

22:25

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

Sun - Rise: 06:39, Set: 20:41, Transit: 13:39. Moon - Rise: 13:22, Set: 22:25. Civil Dark: 21:13 - 06:06. Nautical Dark: 21:53 - 05:26. Astro Dark: 22:38 - 04:42

Total Clouds (% Sky Obscured)

23
40
19
46
50
44
57
30
27
33
30
46
47
50
63
57
84
68
88
92
100
99
84
50

Low Clouds (% Sky Obscured)

23
22
19
43
33
35
30
22
15
24
19
19
22
18
19
20
27
25
46
51
49
25
21
17

Medium Clouds (% Sky Obscured)

5
2
19
23
9
10
17
4
6
5
10
11
15
13
17
21
22
2
1
0
0
0
0
0

High Clouds (% Sky Obscured)

23
14
6
6
13
2
8
0
0
0
5
16
11
31
38
31
58
55
79
81
100
98
72
42

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 (%)

17
2
2
6
3
3
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)

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

Chance of Frost

Temperature (°C)

24
23
21
20
19
19
18
18
17
17
17
16
16
16
18
22
24
25
25
26
26
26
26
26

Feels Like (°C)

24
24
23
20
21
20
20
19
20
19
19
19
18
18
20
23
26
25
25
26
25
24
25
26

Dew Point (°C)

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

Relative Humidity (%)

57
61
74
75
77
78
82
83
83
86
86
85
85
83
76
63
53
47
45
41
41
42
41
39

Pressure (mb)

1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016

Ozone (du)

313
311
309
308
307
308
306
306
306
308
309
307
304
303
303
304
303
301
300
298
298
298
297
297

Tuesday 18

Waxing Crescent 36%

14:32

22:47

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

Sun - Rise: 06:40, Set: 20:39, Transit: 13:39. Moon - Rise: 14:32, Set: 22:47. Civil Dark: 21:11 - 06:08. Nautical Dark: 21:51 - 05:28. Astro Dark: 22:35 - 04:44

Total Clouds (% Sky Obscured)

22
25
26
25
25
33
30
48
70
100
100
67
44
34
15
5
0
2
2
1
0
0
0
2

Low Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
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)

22
25
26
25
25
33
30
48
70
100
100
65
44
29
14
4
0
2
1
1
0
0
0
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
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
2
2
3
3
2
1
1
1
1
1
1
1
3
4
5
6
7
7
8
9

Chance of Frost

Temperature (°C)

25
24
22
20
20
19
19
19
18
18
17
17
17
17
19
22
25
26
28
29
30
30
30
29

Feels Like (°C)

25
25
22
19
19
18
18
18
18
17
16
17
17
17
19
23
26
28
29
29
31
30
30
29

Dew Point (°C)

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

Relative Humidity (%)

40
48
61
63
60
61
62
63
64
66
68
68
67
68
65
54
47
41
38
34
32
31
31
33

Pressure (mb)

1015
1015
1015
1016
1016
1016
1017
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1011
1011
1010
1010

Ozone (du)

297
295
295
295
296
296
297
298
299
298
298
298
300
300
301
301
301
301
302
302
304
304
306
307

Wednesday 19

Waxing Crescent 46%

15:39

23:13

18 Good
19 Good
20 OK
21 OK
22 Bad
23 OK
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: 06:41, Set: 20:37, Transit: 13:38. Moon - Rise: 15:39, Set: 23:13. Civil Dark: 21:10 - 06:09. Nautical Dark: 21:49 - 05:30. Astro Dark: 22:33 - 04:46

Total Clouds (% Sky Obscured)

10
0
18
27
46
33
61
43
65
66
100
100
98
100
89
99
98
100
100
100
99
94
96
72

Low Clouds (% Sky Obscured)

0
0
0
0
14
0
2
0
19
16
22
25
28
43
35
38
35
36
40
75
73
43
41
48

Medium Clouds (% Sky Obscured)

0
0
18
27
46
33
26
28
35
29
28
79
76
100
78
95
97
100
82
81
72
58
23
26

High Clouds (% Sky Obscured)

7
0
0
0
0
0
61
26
65
66
100
100
97
100
85
79
93
100
100
100
91
86
96
72

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
7
9
9
9
9
9
9
9
9
9
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
11
14
5
5
10
29
29
19
57
61
91
95
95
95
95
95
85
95
83
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.7
1.4
1.2
1.2
0.7
1.7
0.7
1.8
0.7
0.9
1.1
1

Wind Speed/Direction (mph)

7
3
1
1
1
2
2
1
0
1
1
1
1
1
1
2
2
3
4
4
2
2
2
2

Chance of Frost

Temperature (°C)

28
27
26
23
22
22
21
20
18
18
17
17
17
17
18
20
23
25
23
21
20
21
23
24

Feels Like (°C)

29
29
28
25
24
24
23
21
20
19
18
16
17
17
18
21
23
24
22
21
21
22
24
24

Dew Point (°C)

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

Relative Humidity (%)

35
47
57
65
70
69
69
69
73
78
82
82
81
79
81
74
58
50
52
66
86
74
62
50

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1012
1012
1013
1012
1013
1012
1013
1013
1012
1012
1012
1012
1012
1012
1012
1011
1011

Ozone (du)

308
309
310
312
313
313
313
313
313
313
312
310
309
310
311
311
310
310
311
310
311
311
310
310

Thursday 20

First Quarter 56%

16:41

23:47

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: 06:42, Set: 20:36, Transit: 13:38. Moon - Rise: 16:41, Set: 23:47. Civil Dark: 21:08 - 06:10. Nautical Dark: 21:47 - 05:31. Astro Dark: 22:31 - 04:48

Total Clouds (% Sky Obscured)

76
100
100
100
78
97
96
100
81
100
100
100
100
100
100
100
100
100
100
100
100
100
100
65

Low Clouds (% Sky Obscured)

50
53
78
43
40
30
27
31
34
37
39
37
35
82
35
43
93
94
95
97
88
55
33
39

Medium Clouds (% Sky Obscured)

33
75
82
61
67
76
76
65
61
54
99
100
98
100
100
100
100
100
100
100
100
75
60
36

High Clouds (% Sky Obscured)

76
100
100
100
76
97
95
100
79
100
100
100
100
100
100
100
100
100
100
100
100
100
100
59

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
95
91
94
95
92
79
94
82
82
94
76
84
68
67
75
87
88
77
72
60
58

Precipitation Amount (mm)

1.1
1.3
0.7
0.9
0.5
0.7
0.8
0.6
0.4
0.6
0.4
0.5
0.8
0.3
0.6
0.2
0
0.3
0.5
0.7
0.5
0.3
0
0

Wind Speed/Direction (mph)

3
3
4
2
2
1
1
1
1
1
1
2
2
1
1
1
1
2
2
2
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
23
18
18
17
19
17
16
15
17
15
16
15
15
16
17
17
18
17
18
18
17
17
18

Dew Point (°C)

12
17
18
17
16
16
15
15
14
15
14
14
14
14
15
15
15
16
15
17
17
16
14
11

Relative Humidity (%)

48
77
93
98
96
95
93
93
95
95
96
96
96
98
98
93
93
93
90
95
95
93
78
62

Pressure (mb)

1010
1011
1012
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012

Ozone (du)

310
306
306
311
315
316
315
312
314
313
312
311
312
312
313
312
311
311
311
309
308
311
314
316

Friday 21

Waxing Gibbous 66%

17:35

00:29

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

Sun - Rise: 06:44, Set: 20:34, Transit: 13:38. Moon - Rise: 17:35, Set: 00:29. Civil Dark: 21:06 - 06:12. Nautical Dark: 21:45 - 05:33. Astro Dark: 22:28 - 04:50

Total Clouds (% Sky Obscured)

75
60
53
54
68
58
70
70
71
52
72
61
46
42
50
51
52
49
49
51
45
39
30
32

Low Clouds (% Sky Obscured)

75
60
38
13
11
17
19
21
21
24
22
20
15
13
4
7
8
8
8
7
3
2
0
0

Medium Clouds (% Sky Obscured)

63
45
18
32
45
27
12
0
1
3
3
3
3
12
27
21
15
11
8
3
12
21
30
31

High Clouds (% Sky Obscured)

56
5
3
3
3
1
11
15
20
7
23
13
4
3
7
11
15
20
23
23
16
7
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
0
0
0

Precipitation Type

Very Light Rain
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 (%)

62
17
10
8
7
18
16
7
16
16
3
7
6
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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)

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

Chance of Frost

Temperature (°C)

18
16
16
15
14
14
14
14
14
13
13
12
12
12
13
16
19
21
22
23
24
24
24
25

Feels Like (°C)

19
17
16
17
16
15
15
13
13
12
13
11
11
12
14
15
16
17
18
18
19
25
25
24

Dew Point (°C)

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

Relative Humidity (%)

64
85
86
90
92
92
90
87
86
86
84
86
86
87
84
72
60
52
46
40
35
34
33
31

Pressure (mb)

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

Ozone (du)

319
319
317
316
315
314
313
312
310
309
308
307
305
305
306
307
307
308
308
308
308
308
308
308

Saturday 22

Waxing Gibbous 75%

No Rise

01:20

18 OK
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

Sun - Rise: 06:45, Set: 20:32, Transit: 13:38. Moon - Rise: No Rise, Set: 01:20. Civil Dark: 21:04 - 06:13. Nautical Dark: 21:43 - 05:34. Astro Dark: 22:26 - 04:52

Total Clouds (% Sky Obscured)

32
30
31
34
39
51
56
65
55
40
35
40
50
63
75
85
93
88
81
73
75
77
80
72

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

30
26
26
28
28
37
48
50
47
40
35
27
29
31
32
37
41
39
44
42
58
71
80
69

High Clouds (% Sky Obscured)

0
0
0
0
0
28
56
65
55
40
35
40
50
63
65
47
35
54
68
64
51
37
26
49

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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
1
2
13
26
31
47
51
40
41
55
25
42
48
43
77
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
0
0.4
0.7
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
22
20
19
18
16
16
16
15
14
14
14
15
15
15
18
20
22
24
25
26
25
24
24

Feels Like (°C)

24
25
26
19
20
19
19
19
18
15
15
16
15
15
15
16
17
18
18
18
18
27
26
25

Dew Point (°C)

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

Relative Humidity (%)

38
45
55
55
57
58
59
62
65
67
69
73
73
73
73
63
55
47
41
35
30
35
38
43

Pressure (mb)

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

Ozone (du)

307
306
306
305
305
304
304
304
304
303
302
301
301
301
301
301
302
303
302
302
302
301
299
298

Sunday 23

Waxing Gibbous 83%

18:20

02:20

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: 06:46, Set: 20:30, Transit: 13:37. Moon - Rise: 18:20, Set: 02:20. Civil Dark: 21:02 - 06:15. Nautical Dark: 21:41 - 05:36. Astro Dark: 22:23 - 04:54

Total Clouds (% Sky Obscured)

65
57
61
63
64
76
81
90
93
97
100
88
74
61
61
60
60
73
87
100

Low Clouds (% Sky Obscured)

8
8
11
7
3
4
4
0
5
6
15
23
36
40
40
37
34
38
42
46

Medium Clouds (% Sky Obscured)

49
29
23
21
25
46
52
57
71
83
97
81
60
42
41
43
50
58
58
54

High Clouds (% Sky Obscured)

62
57
61
63
64
76
81
89
91
95
100
77
45
13
12
10
9
42
70
98

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.8
0.8
1.1
1.3
2
1.3
1.1
2
1.6
1.7
2.2
1.5
1.1
1.3
1.3
1.6
2.1
1.8
1.8
2.1

Wind Speed/Direction (mph)

1
1
0
0
1
1
1
2
2
1
1
0
0
0
0
0
0
0
1
1

Chance of Frost

Temperature (°C)

22
21
19
19
18
17
18
17
17
17
17
16
17
17
17
18
19
19
20
20

Feels Like (°C)

25
26
26
20
21
21
21
20
20
18
17
16
17
17
17
19
19
18
19
20

Dew Point (°C)

12
14
15
15
16
15
16
15
16
15
16
15
16
16
16
15
15
13
14
14

Relative Humidity (%)

52
64
78
80
83
86
88
88
90
92
95
95
95
95
93
85
77
69
68
67

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010

Ozone (du)

297
296
296
296
295
295
295
295
294
296
297
299
301
303
306
306
307
307
309
310

Forecast for Aïre, Geneva, Switzerland (46.20,6.10)

Generated: 17/08/26 18:53:36. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+2.00