Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waxing Crescent 36%

13:16

22:33

12 OK
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 OK
03 Bad
04 OK
05 OK
06 OK
07 Bad
08 OK
09 Good
10 Good
11 Good

Sun - Rise: 06:28, Set: 20:32, Transit: 13:29. Moon - Rise: 13:16, Set: 22:33. Civil Dark: 21:05 - 05:55. Nautical Dark: 21:46 - 05:14. Astro Dark: 22:32 - 04:28

Total Clouds (% Sky Obscured)

41
54
64
72
100
100
100
100
92
100
88
79
70
72
40
50
32
34
42
55
40
2
0
0

Low Clouds (% Sky Obscured)

32
31
36
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

41
38
47
72
74
100
100
100
87
73
81
52
38
43
38
42
27
31
35
23
6
0
0
0

High Clouds (% Sky Obscured)

41
54
64
72
100
100
95
100
68
100
63
41
36
31
5
6
4
3
7
40
40
2
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
4
6
6
2
3
1
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)

13
13
11
11
12
10
9
7
4
3
3
2
3
3
3
3
2
2
2
2
2
3
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
25
24
24
24
23
23
23
24
23
22
21
21
20
20
22
21
21
20
19
19
22
25
25

Dew Point (°C)

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

Relative Humidity (%)

62
53
44
43
40
43
47
51
59
60
63
67
71
76
78
81
81
82
83
82
76
65
54
46

Pressure (mb)

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

Ozone (du)

302
305
304
304
305
305
304
304
303
302
301
301
301
300
301
300
300
299
300
300
300
302
304
304

Wednesday 19

Waxing Crescent 46%

14:27

22:58

12 Good
13 Good
14 Good
15 Good
16 OK
17 OK
18 Good
19 OK
20 Bad
21 Bad
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

Sun - Rise: 06:29, Set: 20:30, Transit: 13:29. Moon - Rise: 14:27, Set: 22:58. Civil Dark: 21:03 - 05:56. Nautical Dark: 21:44 - 05:15. Astro Dark: 22:30 - 04:30

Total Clouds (% Sky Obscured)

2
0
8
4
6
15
3
22
38
40
0
73
35
99
83
40
75
86
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
8
4
6
13
2
12
19
20
0
5
0
31
0
0
0
0
20
28
59
39
45
55

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
9
25
20
0
33
28
90
64
32
37
27
31
50
97
59
64
97

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
2
0
0
59
0
72
40
26
49
67
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
2
3
9
9
9
3
9
9
9
9
6
3
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
Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
1
2
2
31
58
56
25
28
57
67
44
13
24
25
56
78
90
94
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.5
0.5
0
0
0.3
0.4
0
0
0
0
0.3
0.4
0.7
1.2
0.9
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
28
29
30
30
30
30
29
27
24
23
22
21
21
20
20
20
19
19
19
19
19
20
20

Feels Like (°C)

27
29
30
31
30
30
30
30
29
27
25
25
24
24
20
21
21
20
20
20
20
21
21
22

Dew Point (°C)

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

Relative Humidity (%)

41
37
33
30
29
32
35
42
65
83
84
88
89
94
96
95
95
96
96
98
95
96
85
75

Pressure (mb)

1011
1011
1010
1009
1008
1008
1008
1007
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1012

Ozone (du)

303
303
304
304
304
304
306
309
310
311
313
314
313
313
313
314
315
316
316
315
314
314
315
317

Thursday 20

First Quarter 56%

15:35

23:31

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: 06:30, Set: 20:28, Transit: 13:29. Moon - Rise: 15:35, Set: 23:31. Civil Dark: 21:01 - 05:58. Nautical Dark: 21:42 - 05:17. Astro Dark: 22:27 - 04:32

Total Clouds (% Sky Obscured)

97
98
100
100
99
100
85
100
100
100
100
100
100
100
100
100
100
84
88
89
93
96
100
100

Low Clouds (% Sky Obscured)

73
58
52
42
68
76
20
20
20
52
45
75
77
44
58
54
70
61
71
51
60
63
68
60

Medium Clouds (% Sky Obscured)

92
59
70
46
51
72
47
60
60
86
95
70
58
58
36
39
67
37
47
51
87
84
85
94

High Clouds (% Sky Obscured)

73
96
100
100
73
100
80
100
100
100
100
100
100
100
100
100
100
70
55
46
48
80
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
3
4
5
5
9
3
6
4
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
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

67
75
76
95
86
95
85
93
75
95
95
81
82
57
49
52
45
44
38
49
29
25
21
47

Precipitation Amount (mm)

0.4
0.7
0.8
1.2
0.3
0.9
0.2
0.5
0
0.5
0.5
0.4
0.6
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
22
22
23
22
24
23
23
21
20
21
20
20
20
19
20
19
19
19
19
19
20
21
22

Dew Point (°C)

14
13
11
11
13
15
14
15
16
17
18
18
18
18
17
17
17
17
17
17
17
18
17
16

Relative Humidity (%)

63
56
49
46
55
62
64
66
77
85
92
95
98
96
96
96
98
98
98
98
96
93
86
76

Pressure (mb)

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

Ozone (du)

318
317
318
316
314
310
309
306
305
305
306
308
310
310
311
314
313
312
311
311
309
307
307
307

Friday 21

Waxing Gibbous 66%

16:37

00:12

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

Sun - Rise: 06:32, Set: 20:27, Transit: 13:28. Moon - Rise: 16:37, Set: 00:12. Civil Dark: 20:59 - 05:59. Nautical Dark: 21:40 - 05:19. Astro Dark: 22:24 - 04:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
94
87
82
83
85
77
75
71
83
76
72
40
67
59
61
58
53
38
45

Low Clouds (% Sky Obscured)

56
46
43
65
71
58
56
55
52
65
44
45
39
35
17
10
10
19
32
48
40
34
20
14

Medium Clouds (% Sky Obscured)

69
93
100
100
100
94
87
82
82
77
54
51
45
40
36
32
25
22
18
15
17
19
18
26

High Clouds (% Sky Obscured)

100
100
100
100
100
78
53
30
31
3
4
1
1
40
40
40
2
30
10
3
7
7
12
11

ISS Passover

Visibility (miles)

9
3
3
3
3
3
2
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

77
89
95
95
95
95
95
45
21
11
7
8
20
8
9
2
1
0
0
0
0
0
0
1

Precipitation Amount (mm)

0.3
0.5
0.7
0.6
0.8
1.5
1.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
22
22
20
20
20
19
19
19
18
18
19
18
18
17
16
17
17
16
16
17
19
22
23

Dew Point (°C)

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

Relative Humidity (%)

65
76
85
89
93
95
96
98
98
98
98
98
98
98
100
98
98
98
98
98
96
92
84
66

Pressure (mb)

1011
1011
1011
1011
1012
1012
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1015

Ozone (du)

306
304
304
304
304
305
305
306
307
311
315
315
315
314
313
313
312
310
309
307
306
306
305
305

Saturday 22

Waxing Gibbous 75%

17:32

01:03

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: 06:33, Set: 20:25, Transit: 13:28. Moon - Rise: 17:32, Set: 01:03. Civil Dark: 20:57 - 06:00. Nautical Dark: 21:38 - 05:20. Astro Dark: 22:22 - 04:36

Total Clouds (% Sky Obscured)

67
72
51
78
78
80
96
100
100
100
87
100
99
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
4
2
1
0
29
55
55
66
74
48
63
51
80
80
81
76
74
76
78
76
73
75
85

Medium Clouds (% Sky Obscured)

36
42
51
77
78
79
90
72
90
89
70
90
94
98
99
100
100
100
99
99
99
98
98
95

High Clouds (% Sky Obscured)

25
26
9
12
15
25
44
65
65
70
70
96
92
63
66
70
75
69
65
69
51
39
28
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
9
9
9
9
3
5
7
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
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

2
4
8
8
6
15
17
26
80
62
48
49
64
95
95
95
90
94
95
95
95
95
95
86

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
23
24
25
25
25
24
23
21
19
18
17
17
16
16
16
16
16
15
16
15
16
16
16

Feels Like (°C)

23
23
24
25
24
24
24
22
21
18
18
18
18
16
17
17
16
16
16
16
15
16
16
16

Dew Point (°C)

11
10
9
9
9
9
11
13
13
16
17
17
16
16
16
16
16
15
15
15
15
15
15
15

Relative Humidity (%)

49
42
38
37
36
37
44
55
59
82
93
96
95
96
98
96
98
98
98
96
96
95
92
92

Pressure (mb)

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

Ozone (du)

305
306
307
307
306
305
305
306
306
304
306
306
304
304
304
304
303
303
302
301
300
299
299
298

Sunday 23

Waxing Gibbous 83%

18:17

02:04

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: 06:34, Set: 20:23, Transit: 13:28. Moon - Rise: 18:17, Set: 02:04. Civil Dark: 20:55 - 06:02. Nautical Dark: 21:35 - 05:22. Astro Dark: 22:19 - 04:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
95
88
81
83
86
89
93
96
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
94
94
95
94
80
67
53
42
34
25
45
62
75
79
84
88
92
96
100
99
98
96
88

Medium Clouds (% Sky Obscured)

92
90
91
93
95
75
54
34
51
54
59
59
59
59
67
74
81
79
76
72
69
67
63
69

High Clouds (% Sky Obscured)

78
88
91
93
96
84
70
62
68
65
66
77
90
100
99
98
98
83
68
54
70
85
100
100

ISS Passover

Visibility (miles)

8
6
4
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

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

Precipitation Probability (%)

77
71
69
68
68
61
48
36
26
17
14
11
7
5
14
17
16
24
32
39
63
74
78
84

Precipitation Amount (mm)

0.4
0.3
0.2
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.5

Wind Speed/Direction (mph)

2
2
2
2
2
3
3
3
3
3
2
2
2
3
4
4
4
4
4
4
4
4
3
4

Chance of Frost

Temperature (°C)

17
17
17
18
18
18
18
18
17
16
16
15
15
15
15
15
15
15
15
16
16
17
17
18

Feels Like (°C)

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

Dew Point (°C)

16
16
17
17
17
17
17
17
17
16
16
15
15
15
15
14
15
15
15
15
15
15
16
16

Relative Humidity (%)

93
95
98
96
96
95
95
95
96
96
96
96
98
98
98
96
96
96
95
96
95
92
90
88

Pressure (mb)

1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1015
1015
1014
1013
1013
1013
1012
1012
1011
1011

Ozone (du)

298
298
299
299
300
300
300
300
300
301
301
302
302
302
301
301
301
300
300
299
298
300
301
303

Monday 24

Waxing Gibbous 90%

18:52

03:11

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

Sun - Rise: 06:36, Set: 20:21, Transit: 13:28. Moon - Rise: 18:52, Set: 03:11. Civil Dark: 20:53 - 06:03. Nautical Dark: 21:33 - 05:24. Astro Dark: 22:17 - 04:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
98
98
98
100
98
95
93
95
98
100

Low Clouds (% Sky Obscured)

82
84
76
64
51
48
46
42
54
65
77
85
92
100
91
82
73
82
91
100

Medium Clouds (% Sky Obscured)

76
88
89
85
81
81
83
80
81
89
97
98
97
100
94
87
81
87
93
98

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
95
90
93
100
80
61
45
64
83
100

ISS Passover

Visibility (miles)

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

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 (%)

86
85
95
95
95
95
95
95
89
91
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.5
0.5
0.7
0.7
0.9
1
0.9
0.9
0.4
0.4
0.5
1.6
2.2
1.8
1.8
1.8
1.8
1.9
1.9
1.7

Wind Speed/Direction (mph)

3
2
5
5
5
5
5
4
4
4
4
4
6
8
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
20
19
17
19
20
21
18
18
17
18
18
18
17
17
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

83
80
75
73
71
69
77
85
95
96
98
98
98
100
100
98
100
100
98
96

Pressure (mb)

1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1012
1013

Ozone (du)

302
300
299
299
300
300
299
299
298
298
298
298
300
303
305
308
312
315
316
318

Forecast for Stampfenbach, Zürich District, Switzerland (47.38,8.54)

Generated: 18/08/26 12:21:00. Forecast: 18/08/26 to 24/08/26. Timezone: UTC+2.00