Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Gibbous 98%

19:42

05:34

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

Sun - Rise: 06:38, Set: 20:17, Transit: 13:27. Moon - Rise: 19:42, Set: 05:34. Civil Dark: 20:49 - 06:06. Nautical Dark: 21:29 - 05:27. Astro Dark: 22:12 - 04:44

Total Clouds (% Sky Obscured)

19
20
43
20
20
20
20
6
5
0
14
0
6
7
5
34
88
87
74
91
97
97
53
62

Low Clouds (% Sky Obscured)

24
35
18
13
6
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
4
0
23
29
34
39
39
27
23
6
7
0
0
49
83
41
73
86
78
43
29

High Clouds (% Sky Obscured)

81
93
30
100
100
100
100
5
15
0
0
0
0
2
5
27
71
12
53
70
89
88
49
62

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
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

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)

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

Chance of Frost

Temperature (°C)

24
26
26
28
28
28
28
27
27
25
23
21
20
19
19
18
18
18
18
18
19
20
21
23

Feels Like (°C)

28
29
29
31
31
31
30
30
29
28
25
24
23
22
21
18
20
18
18
19
20
20
22
26

Dew Point (°C)

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

Relative Humidity (%)

73
63
60
49
48
46
47
49
54
61
69
75
88
85
84
83
83
83
78
83
80
71
64
54

Pressure (mb)

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

Ozone (du)

302
302
300
298
297
296
296
297
296
297
297
297
296
297
296
296
297
297
296
296
298
298
298
297

Friday 28

Full Moon 100%

20:00

06:46

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:40, Set: 20:15, Transit: 13:27. Moon - Rise: 20:00, Set: 06:46. Civil Dark: 20:47 - 06:08. Nautical Dark: 21:27 - 05:29. Astro Dark: 22:09 - 04:46

Total Clouds (% Sky Obscured)

67
94
98
100
100
100
90
77
86
99
100
90
85
65
66
100
100
100
93
78
88
80
65
94

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
8
12
13
12
8
8
11
13
18
65

Medium Clouds (% Sky Obscured)

18
4
0
2
20
27
29
24
19
21
25
26
23
19
21
25
30
72
64
54
68
55
36
45

High Clouds (% Sky Obscured)

58
94
98
100
100
100
69
33
58
99
100
90
85
65
66
100
100
100
81
65
83
70
65
80

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
5
5
4
3
2
2
2
2
7
10
31
78
74
86

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
28
29
30
31
31
30
29
27
25
23
23
22
22
21
20
20
20
20
19
20
21
22
21

Feels Like (°C)

28
29
30
30
32
31
32
31
29
26
24
23
22
23
23
22
21
20
20
19
21
23
22
22

Dew Point (°C)

14
15
16
16
18
20
22
23
23
21
20
18
18
18
17
17
16
16
15
15
16
15
14
14

Relative Humidity (%)

48
44
43
43
45
51
60
71
77
79
79
75
76
76
79
80
80
80
75
77
77
67
62
63

Pressure (mb)

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

Ozone (du)

295
295
294
293
292
291
290
289
289
288
288
287
288
288
287
288
288
286
285
286
286
286
287
290

Saturday 29

Waning Gibbous 99%

20:17

07:58

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 OK
06 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:41, Set: 20:13, Transit: 13:26. Moon - Rise: 20:17, Set: 07:58. Civil Dark: 20:45 - 06:09. Nautical Dark: 21:24 - 05:30. Astro Dark: 22:07 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
83
70
50
58
52
92
85
65
58
27
29
29
21
51
54
55

Low Clouds (% Sky Obscured)

97
96
94
92
92
92
94
92
83
70
50
58
52
86
78
65
58
13
8
3
2
2
3
2

Medium Clouds (% Sky Obscured)

99
58
58
48
91
88
99
100
78
63
50
58
2
4
4
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

64
100
100
100
100
100
100
100
30
30
35
35
0
55
42
22
12
0
0
0
2
51
54
52

ISS Passover

Visibility (miles)

3
6
4
8
4
5
3
2
3
4
3
3
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
10
70
100
86
63
2
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
45
39
33
16
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.9
1
0.7
0.6
0.9
1.1
1.7
1.2
1
1.7
2.2
1
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
20
18
19
19
19
19
18
19
19
18
18
18
17
17
16
16
15
15
15
16
18
20
21

Feels Like (°C)

21
20
19
20
20
20
20
19
19
18
18
17
18
17
17
17
16
16
17
17
18
21
23
24

Dew Point (°C)

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

Relative Humidity (%)

66
91
93
93
95
96
98
98
98
95
95
90
95
93
92
92
92
93
93
95
93
89
80
67

Pressure (mb)

1014
1014
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

289
293
294
294
297
298
302
306
309
312
315
323
332
323
320
319
319
318
318
317
315
308
305
301

Sunday 30

Waning Gibbous 96%

20:33

09:11

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:42, Set: 20:11, Transit: 13:26. Moon - Rise: 20:33, Set: 09:11. Civil Dark: 20:43 - 06:10. Nautical Dark: 21:22 - 05:32. Astro Dark: 22:04 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
89
95
83
95
70
85
97
96
93
93
91
89
61
51
54
49
52
53
56
58
58

Low Clouds (% Sky Obscured)

11
12
26
16
19
19
9
1
1
1
0
1
3
4
4
4
4
4
4
4
3
2
1
5

Medium Clouds (% Sky Obscured)

13
36
23
33
58
47
38
38
40
58
48
44
35
32
34
36
29
27
28
28
20
13
4
14

High Clouds (% Sky Obscured)

100
100
99
88
71
45
35
7
18
29
22
13
15
20
20
6
2
27
40
52
53
56
55
39

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

5
8
8
8
8
8
8
5
3
3
3
3
3
3
4
3
3
3
3
2
3
2
3
4

Chance of Frost

Temperature (°C)

22
23
24
24
24
24
23
22
21
20
19
19
18
18
18
17
17
17
17
17
17
19
21
22

Feels Like (°C)

24
22
23
23
23
23
22
21
21
20
18
18
18
17
17
16
18
18
17
18
18
21
23
24

Dew Point (°C)

14
13
12
11
10
10
11
13
14
14
13
13
13
13
13
13
13
13
13
13
13
12
12
12

Relative Humidity (%)

58
52
47
43
40
40
46
58
65
67
68
70
72
72
72
74
76
78
78
79
76
64
57
52

Pressure (mb)

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

Ozone (du)

299
298
298
297
296
296
296
296
298
296
294
294
294
293
293
294
294
292
292
293
294
295
294
293

Monday 31

Waning Gibbous 91%

20:49

10:26

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:44, Set: 20:09, Transit: 13:26. Moon - Rise: 20:49, Set: 10:26. Civil Dark: 20:41 - 06:12. Nautical Dark: 21:20 - 05:33. Astro Dark: 22:02 - 04:52

Total Clouds (% Sky Obscured)

54
53
64
64
92
66
61
60
79
93
59
55
85
81
81
82
82
78
55
75
51
52
53
86

Low Clouds (% Sky Obscured)

10
20
18
16
15
8
4
13
49
17
1
1
1
4
65
82
82
77
20
66
21
28
38
86

Medium Clouds (% Sky Obscured)

24
34
26
18
11
22
34
42
47
47
50
47
85
81
81
79
80
55
22
20
14
9
4
67

High Clouds (% Sky Obscured)

21
5
30
42
87
42
19
5
20
81
43
33
16
3
16
35
27
0
0
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
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
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
1
4
4
4
22
30
41
46
49
42
61
27
12
8
3
2
4
10
32
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
25
26
26
26
27
26
24
22
21
20
20
18
18
18
18
18
18
17
17
17
19
20
21

Feels Like (°C)

24
26
26
27
28
27
28
27
24
22
21
22
20
19
18
18
17
18
18
20
18
21
21
20

Dew Point (°C)

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

Relative Humidity (%)

49
45
42
41
41
41
49
63
73
71
76
80
82
82
78
88
89
88
88
90
86
77
64
67

Pressure (mb)

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

Ozone (du)

293
293
292
291
292
292
292
292
292
292
294
294
294
294
293
294
296
299
301
302
304
306
307
309

Tuesday 1

Waning Gibbous 83%

21:07

11:44

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:45, Set: 20:08, Transit: 13:26. Moon - Rise: 21:07, Set: 11:44. Civil Dark: 20:39 - 06:13. Nautical Dark: 21:18 - 05:35. Astro Dark: 21:59 - 04:54

Total Clouds (% Sky Obscured)

86
76
78
79
80
85
89
93
90
86
81
78
77
77
86
93
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
69
69
70
71
75
46
32
41
50
58
43
30
18
13
8
3
2
1
0
0
0
0
3

Medium Clouds (% Sky Obscured)

74
57
48
38
33
37
36
32
25
22
19
6
2
0
0
0
0
2
3
4
15
23
29
34

High Clouds (% Sky Obscured)

0
3
7
10
14
25
33
41
39
38
35
41
47
52
76
88
100
100
99
99
99
100
100
100

ISS Passover

Visibility (miles)

9
9
5
6
8
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
57
54
44
35
31
29
21
14
8
0
0
0
0
0
0
0
0
0
0
0
0
0
7

Precipitation Amount (mm)

0
0.4
0.3
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
8
9
9
9
9
7
6
5
3
2
3
2
3
3
3
3
3
3
3
3
2
2
3

Chance of Frost

Temperature (°C)

20
22
23
23
24
24
23
22
21
20
20
19
18
17
16
15
15
15
15
15
16
17
19
21

Feels Like (°C)

20
21
23
23
23
23
24
26
27
20
20
20
20
19
18
15
15
15
14
14
14
16
16
18

Dew Point (°C)

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

Relative Humidity (%)

82
72
79
68
59
51
57
65
71
76
81
86
88
87
90
90
93
93
90
89
87
77
68
60

Pressure (mb)

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

Ozone (du)

311
312
314
311
308
306
305
304
303
303
303
303
302
302
301
301
301
301
301
301
301
302
304
305

Wednesday 2

Waning Gibbous 74%

21:29

No Set

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:46, Set: 20:06, Transit: 13:25. Moon - Rise: 21:29, Set: No Set. Civil Dark: 20:37 - 06:15. Nautical Dark: 21:16 - 05:36. Astro Dark: 21:57 - 04:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
95
90
85
87
89
91
94
95
97
96
96
96
97
99
100
95
91
88
84

Low Clouds (% Sky Obscured)

6
8
14
20
25
37
45
43
31
20
20
40
59
73
94
91
87
92
96
100
95
91
88
84

Medium Clouds (% Sky Obscured)

44
50
47
44
41
38
33
27
26
26
25
20
19
17
25
33
36
44
52
60
46
42
42
37

High Clouds (% Sky Obscured)

100
100
100
100
100
77
53
30
34
39
49
63
76
89
86
79
71
72
76
79
68
58
49
46

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
Very Light Rain
None
None

Precipitation Probability (%)

6
5
12
10
7
17
15
7
10
8
3
5
2
0
1
1
0
1
4
11
29
46
44
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

4
6
7
7
6
6
4
3
3
2
3
3
3
3
3
3
3
2
2
2
2
1
1
2

Chance of Frost

Temperature (°C)

22
23
24
24
24
24
23
22
21
20
19
18
18
18
17
17
16
15
16
16
16
17
18
19

Feels Like (°C)

18
19
20
24
22
21
22
23
23
19
19
19
18
19
18
16
15
15
16
16
16
16
16
17

Dew Point (°C)

13
12
12
11
11
11
11
12
12
12
12
11
11
11
11
11
11
10
11
11
12
12
11
11

Relative Humidity (%)

54
50
46
44
43
43
47
52
56
59
60
61
64
65
67
69
70
70
72
73
74
70
64
61

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021

Ozone (du)

307
308
310
311
312
314
314
315
315
315
316
316
316
317
317
318
319
320
320
320
321
321
321
321

Forecast for Zürich (Kreis 1), Zürich District, Switzerland (47.37,8.54)

Generated: 27/08/26 00:56:41. Forecast: 27/08/26 to 02/09/26. Timezone: UTC+2.00