Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 13

Waxing Crescent 1%

06:28

20:43

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

Sun - Rise: 05:49, Set: 20:24, Transit: 13:07. Moon - Rise: 06:28, Set: 20:43. Civil Dark: 21:00 - 05:13. Nautical Dark: 21:46 - 04:27. Astro Dark: 22:41 - 03:32

Total Clouds (% Sky Obscured)

8
16
6
4
3
2
4
6
3
2
0
0
2
0
2
0
0
0
0
0
0
0
0
0

Low 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

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)

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

Chance of Frost

Temperature (°C)

16
15
13
12
12
13
16
19
21
23
24
26
27
27
28
27
27
26
24
21
19
18
18
17

Feels Like (°C)

16
14
14
13
13
14
17
19
21
22
23
25
26
26
27
27
26
25
23
21
19
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

52
53
56
57
56
54
46
40
35
31
27
25
21
20
19
19
19
21
26
30
32
36
39
43

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1026
1025
1025
1024
1024
1024
1024
1025
1025
1025
1025
1025

Ozone (du)

316
317
317
316
315
315
315
315
315
316
314
313
313
311
310
309
307
307
306
306
305
305
305
305

Friday 14

Waxing Crescent 4%

07:52

20:58

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

Sun - Rise: 05:51, Set: 20:22, Transit: 13:06. Moon - Rise: 07:52, Set: 20:58. Civil Dark: 20:58 - 05:14. Nautical Dark: 21:44 - 04:29. Astro Dark: 22:38 - 03:35

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
2
14
16

Low 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

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)

0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
2
14
16

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)

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

Chance of Frost

Temperature (°C)

16
15
14
14
13
14
17
20
23
25
27
28
29
30
31
31
30
29
26
24
22
21
19
18

Feels Like (°C)

16
15
15
14
14
14
17
21
23
24
26
28
29
29
30
30
29
29
26
24
22
20
19
17

Dew Point (°C)

4
3
3
3
3
3
4
5
5
5
5
4
4
3
3
3
3
5
5
4
4
4
3
3

Relative Humidity (%)

45
46
48
49
51
48
41
36
31
27
23
21
19
18
17
17
17
21
25
27
30
33
35
36

Pressure (mb)

1025
1024
1024
1024
1024
1024
1024
1023
1023
1022
1021
1021
1020
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

305
304
304
304
304
303
304
304
305
305
305
306
308
309
310
309
309
310
309
309
309
310
310
310

Saturday 15

Waxing Crescent 10%

09:12

21:12

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

Sun - Rise: 05:52, Set: 20:20, Transit: 13:06. Moon - Rise: 09:12, Set: 21:12. Civil Dark: 20:56 - 05:16. Nautical Dark: 21:42 - 04:31. Astro Dark: 22:35 - 03:37

Total Clouds (% Sky Obscured)

25
6
22
17
3
2
2
1
2
2
0
0
0
3
3
2
2
2
1
1
5
4
34
2

Low 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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

22
6
22
17
3
2
2
1
2
2
0
0
0
3
3
2
2
2
0
0
3
3
34
2

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

Chance of Frost

Temperature (°C)

17
17
16
15
14
15
19
22
25
28
31
32
33
34
34
34
34
32
29
27
24
22
21
20

Feels Like (°C)

15
16
16
14
14
15
19
23
26
28
30
32
34
35
35
35
34
33
29
27
24
22
21
19

Dew Point (°C)

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

Relative Humidity (%)

37
37
38
37
39
37
32
29
25
22
19
16
15
14
13
14
14
18
22
25
26
27
31
33

Pressure (mb)

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

Ozone (du)

310
310
309
308
309
310
310
310
311
310
310
310
310
310
311
310
309
307
307
307
306
306
306
306

Sunday 16

Waxing Crescent 18%

10:29

21:25

02 Good
03 Good
04 Good
05 Good
06 OK
07 Bad
08 Bad
09 OK
10 OK
11 OK
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: 05:53, Set: 20:18, Transit: 13:06. Moon - Rise: 10:29, Set: 21:25. Civil Dark: 20:54 - 05:18. Nautical Dark: 21:39 - 04:33. Astro Dark: 22:32 - 03:40

Total Clouds (% Sky Obscured)

4
7
12
17
21
49
60
37
27
47
61
57
56
79
73
91
85
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
23
35
33
29
23

Medium Clouds (% Sky Obscured)

3
7
10
12
14
15
18
19
21
27
31
35
48
56
65
68
72
100
100
100
80
74
53
75

High Clouds (% Sky Obscured)

0
0
3
4
7
37
49
19
6
24
35
25
32
65
73
91
85
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
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
1
1
0
2
2
3
12
17
21
37
49
53

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
0.2

Wind Speed/Direction (mph)

3
3
2
2
2
2
2
2
2
4
4
5
6
9
11
13
12
11
10
11
10
9
7
6

Chance of Frost

Temperature (°C)

19
19
19
18
19
20
21
24
26
28
30
32
33
32
31
31
29
27
26
23
22
20
20
20

Feels Like (°C)

19
20
19
19
19
20
20
22
27
28
29
30
30
30
27
29
26
25
22
19
19
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

34
35
37
40
42
42
34
27
23
19
18
17
17
18
21
24
26
33
38
46
58
62
63
66

Pressure (mb)

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

Ozone (du)

305
305
305
305
305
305
304
304
304
303
304
304
305
305
305
304
304
303
303
303
304
304
304
305

Monday 17

Waxing Crescent 26%

11:45

21:41

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:55, Set: 20:16, Transit: 13:06. Moon - Rise: 11:45, Set: 21:41. Civil Dark: 20:52 - 05:19. Nautical Dark: 21:37 - 04:35. Astro Dark: 22:29 - 03:43

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
95
93
92
96
98
100
100
100
100

Low Clouds (% Sky Obscured)

31
37
36
39
42
67
75
68
60
36
51
58
59
67
75
78
75
75
70
65
65
50
49
49

Medium Clouds (% Sky Obscured)

75
77
42
42
76
100
96
92
63
47
71
60
58
59
63
64
69
74
72
72
69
75
83
94

High Clouds (% Sky Obscured)

100
100
98
100
100
65
67
87
100
100
100
100
100
100
100
87
80
75
83
90
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

50
43
25
19
11
7
15
7
5
12
34
58
85
95
95
95
91
44
34
24
15
17
15
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
1.1
1
0.6
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
69
71
77
82
80
76
74
67
58
57
65
83
86
89
94
93
92
91
89
89
88
86
85

Pressure (mb)

1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

304
304
304
305
304
305
304
305
306
307
307
309
308
308
308
308
308
308
308
310
311
313
316
319

Tuesday 18

Waxing Crescent 36%

13:00

21:59

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:56, Set: 20:15, Transit: 13:06. Moon - Rise: 13:00, Set: 21:59. Civil Dark: 20:50 - 05:21. Nautical Dark: 21:35 - 04:36. Astro Dark: 22:26 - 03:45

Total Clouds (% Sky Obscured)

98
97
96
98
99
100
96
93
89
92
95
99
99
100
100
99
97
96
81
67
57
59
61
67

Low Clouds (% Sky Obscured)

30
17
1
1
1
1
2
3
4
16
29
42
58
75
93
90
89
87
61
34
8
9
11
13

Medium Clouds (% Sky Obscured)

77
63
46
54
62
64
61
66
71
74
78
79
75
74
65
65
60
50
39
33
32
33
38
49

High Clouds (% Sky Obscured)

98
97
96
98
99
100
87
79
72
77
80
86
69
59
50
36
19
0
0
0
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

8
6
1
1
0
0
0
0
0
6
10
17
44
57
65
70
71
67
62
56
44
46
47
48

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
85
84
79
73
70
62
54
49
46
42
40
41
42
44
46
46
48
50
54
59
61
64

Pressure (mb)

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

Ozone (du)

323
324
325
326
327
328
330
329
329
329
332
335
338
337
336
336
331
325
320
318
316
313
312
310

Wednesday 19

Waxing Crescent 46%

14:14

22:21

Sun - Rise: 05:58, Set: 20:13, Transit: 13:05. Moon - Rise: 14:14, Set: 22:21. Civil Dark: 20:48 - 05:23. Nautical Dark: 21:32 - 04:38. Astro Dark: 22:23 - 03:48

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Královské Vinohrady, Praha 2, Czech Republic (50.08,14.44)

Generated: 13/08/26 02:02:17. Forecast: 13/08/26 to 19/08/26. Timezone: UTC+2.00