Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 9

Waning Crescent 15%

02:03

18:47

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

Sun - Rise: 05:44, Set: 20:31, Transit: 13:07. Moon - Rise: 02:03, Set: 18:47. Civil Dark: 21:08 - 05:07. Nautical Dark: 21:56 - 04:20. Astro Dark: 22:54 - 03:23

Total Clouds (% Sky Obscured)

11
20
8
95
39
42
31
42
48
56
81
41
5
15
50
82
98
88
100
29
85
68
16
2

Low Clouds (% Sky Obscured)

0
0
0
0
7
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
1
22
2
2
42
19
87
59
39
24
32
29
15
2

High Clouds (% Sky Obscured)

11
5
8
94
39
42
31
42
48
56
81
41
4
15
22
76
50
63
100
13
44
35
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
1
20
33
8
9
5
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
5
6
6
6
6
6
5
5
5
5
5
4
4
3
2
3
2
2
2
2
3
4
5

Chance of Frost

Temperature (°C)

23
25
28
30
31
32
32
32
32
31
29
26
23
22
21
21
20
20
20
19
19
19
21
24

Feels Like (°C)

23
24
28
30
30
31
30
31
30
30
27
23
22
22
22
22
19
19
20
19
21
19
21
25

Dew Point (°C)

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

Relative Humidity (%)

42
38
35
30
27
24
22
21
24
30
34
35
37
40
44
46
48
49
57
60
62
58
51
45

Pressure (mb)

1020
1019
1019
1018
1017
1016
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

300
299
298
298
300
301
301
300
301
302
303
304
306
307
307
307
310
311
312
314
317
319
321
322

Monday 10

Waning Crescent 8%

03:29

19:32

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

Sun - Rise: 05:46, Set: 20:29, Transit: 13:07. Moon - Rise: 03:29, Set: 19:32. Civil Dark: 21:06 - 05:09. Nautical Dark: 21:54 - 04:22. Astro Dark: 22:51 - 03:26

Total Clouds (% Sky Obscured)

0
0
2
25
39
45
45
73
38
80
47
25
27
41
71
73
66
36
20
39
74
90
90
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
19
0
17
0
0
0
0
0
2
6
8
2
10
6
0
4
8

Medium Clouds (% Sky Obscured)

0
0
0
24
38
33
43
72
36
79
43
23
25
20
37
39
31
16
2
12
9
0
0
1

High Clouds (% Sky Obscured)

0
0
2
1
3
16
2
45
0
0
2
0
0
26
40
38
40
6
20
24
60
83
84
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
2
2
2
2
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)

5
5
5
7
11
13
13
14
10
13
4
3
5
7
10
7
5
5
5
5
5
7
10
10

Chance of Frost

Temperature (°C)

26
29
31
33
34
35
35
34
33
30
29
27
25
23
22
21
20
19
18
17
16
17
18
19

Feels Like (°C)

27
30
32
33
32
32
30
30
31
28
30
28
24
23
22
20
19
18
18
17
16
17
16
16

Dew Point (°C)

11
11
10
9
9
9
8
9
13
14
17
15
13
13
15
15
15
15
14
13
13
13
11
10

Relative Humidity (%)

38
33
27
22
20
20
19
21
28
36
48
48
47
52
62
69
72
75
77
79
83
78
66
57

Pressure (mb)

1015
1015
1014
1013
1012
1012
1011
1011
1011
1012
1013
1013
1014
1016
1017
1018
1019
1019
1020
1020
1021
1021
1022
1023

Ozone (du)

317
317
316
314
311
310
308
306
305
304
304
304
303
302
302
301
301
302
302
304
305
306
306
306

Tuesday 11

Waning Crescent 3%

04:59

20:03

10 Bad
11 Bad
12 Bad
13 Bad
14 Good
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 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good

Sun - Rise: 05:47, Set: 20:28, Transit: 13:07. Moon - Rise: 04:59, Set: 20:03. Civil Dark: 21:04 - 05:11. Nautical Dark: 21:51 - 04:24. Astro Dark: 22:48 - 03:28

Total Clouds (% Sky Obscured)

100
100
75
72
4
2
2
4
5
2
0
0
0
0
2
0
1
0
1
2
7
4
3
4

Low Clouds (% Sky Obscured)

3
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)

25
51
12
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
99
56
53
3
2
2
4
5
2
0
0
0
0
2
0
1
0
1
2
7
4
3
4

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)

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

Chance of Frost

Temperature (°C)

20
21
22
23
24
25
26
26
25
24
22
19
18
16
15
15
14
13
13
12
13
14
15
18

Feels Like (°C)

17
18
19
21
22
23
24
24
22
22
21
19
17
16
15
14
14
14
13
12
14
14
16
18

Dew Point (°C)

10
9
7
6
6
6
5
6
6
7
9
8
8
7
6
5
5
4
4
4
5
6
5
5

Relative Humidity (%)

53
47
39
33
30
28
27
27
28
33
41
48
52
54
53
52
54
55
57
56
58
56
49
44

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1021
1021
1022
1022
1023
1024
1024
1024
1024
1025
1025
1025
1025
1026
1026
1026
1026

Ozone (du)

306
307
307
308
308
308
308
309
309
310
311
311
312
312
313
313
314
314
315
315
315
315
314
314

Wednesday 12

New Moon 0%

06:27

20:26

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
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good

Sun - Rise: 05:49, Set: 20:26, Transit: 13:06. Moon - Rise: 06:27, Set: 20:26. Civil Dark: 21:02 - 05:12. Nautical Dark: 21:49 - 04:26. Astro Dark: 22:44 - 03:31

Total Clouds (% Sky Obscured)

2
2
2
0
0
0
0
6
12
17
11
6
0
0
1
2
3
4
3
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
6
10
6
3
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)

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

Chance of Frost

Temperature (°C)

20
22
23
24
26
26
26
27
25
24
22
21
19
17
16
15
14
14
13
12
13
14
16
18

Feels Like (°C)

20
22
23
23
24
25
25
25
24
22
21
20
19
18
16
15
14
14
14
13
14
15
16
18

Dew Point (°C)

6
6
5
5
5
5
4
5
4
8
10
9
8
7
5
5
4
5
5
4
5
6
5
5

Relative Humidity (%)

39
34
31
28
26
25
24
24
25
34
44
48
49
49
48
50
51
55
57
58
60
57
47
42

Pressure (mb)

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

Ozone (du)

314
314
314
315
315
315
315
315
314
315
314
314
313
313
313
313
313
312
312
313
312
311
311
311

Thursday 13

Waxing Crescent 1%

07:51

20:43

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
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good

Sun - Rise: 05:50, Set: 20:24, Transit: 13:06. Moon - Rise: 07:51, Set: 20:43. Civil Dark: 21:00 - 05:14. Nautical Dark: 21:47 - 04:28. Astro Dark: 22:41 - 03:34

Total Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
0
0
0
1
1
2
3
4
4
3
4
5
7
9
10
12

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
1
0
0
0
0
0
0
0
1
1
2
3
4
4
3
3
5
6
9
9
11

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
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)

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

Chance of Frost

Temperature (°C)

21
23
25
26
27
28
28
28
27
26
24
22
20
18
17
16
15
15
14
14
15
16
17
19

Feels Like (°C)

21
23
24
25
26
27
27
27
25
24
23
22
21
20
20
18
18
14
14
14
14
13
13
18

Dew Point (°C)

6
6
5
5
5
4
3
3
3
5
7
6
5
4
5
5
5
5
5
5
5
5
5
6

Relative Humidity (%)

36
32
28
26
23
21
20
19
20
25
33
36
37
40
43
46
49
51
53
56
52
50
47
41

Pressure (mb)

1026
1026
1025
1025
1024
1024
1023
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022

Ozone (du)

312
312
312
312
313
312
311
309
307
306
306
305
305
305
305
305
305
305
304
304
304
304
305
305

Friday 14

Waxing Crescent 4%

09:12

20:58

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

Sun - Rise: 05:52, Set: 20:22, Transit: 13:06. Moon - Rise: 09:12, Set: 20:58. Civil Dark: 20:58 - 05:16. Nautical Dark: 21:44 - 04:30. Astro Dark: 22:38 - 03:37

Total Clouds (% Sky Obscured)

12
9
5
2
1
0
0
0
0
0
0
0
0
0
0
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)

12
8
5
1
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

22
25
27
28
30
31
31
32
30
28
26
24
22
20
19
19
18
17
17
16
17
18
19
22

Feels Like (°C)

19
20
21
23
24
31
30
30
30
31
31
25
24
23
22
22
21
17
17
17
16
16
15
21

Dew Point (°C)

6
6
6
6
5
5
4
4
5
5
6
6
6
6
6
5
5
6
6
6
6
6
5
6

Relative Humidity (%)

35
30
26
23
20
19
18
17
20
23
26
30
34
38
40
41
43
45
48
50
46
43
41
34

Pressure (mb)

1022
1021
1020
1020
1019
1018
1018
1017
1017
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016

Ozone (du)

306
307
307
308
308
307
307
306
307
307
307
308
308
309
308
308
308
307
307
306
306
306
306
307

Saturday 15

Waxing Crescent 10%

No Rise

21:11

10 Good
11 Good
12 Good
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 Bad
01 Bad

Sun - Rise: 05:53, Set: 20:20, Transit: 13:06. Moon - Rise: No Rise, Set: 21:11. Civil Dark: 20:56 - 05:17. Nautical Dark: 21:42 - 04:32. Astro Dark: 22:35 - 03:39

Total Clouds (% Sky Obscured)

0
4
10
15
10
4
0
9
17
24
29
33
39
48
56
65

Low Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
2
5
7
6
3
0
6
12
15
20
22
24
29
39
50

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
28
30
32
34
34
34
35
33
31
29
27
25
23
23
22

Feels Like (°C)

23
24
26
27
28
36
36
35
35
35
36
28
27
25
25
25

Dew Point (°C)

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

Relative Humidity (%)

30
26
23
21
19
18
18
17
19
22
25
26
27
27
30
31

Pressure (mb)

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

Ozone (du)

307
307
308
309
309
309
309
310
308
306
304
304
305
305
305
304

Forecast for Letňany, Praha 18, Czech Republic (50.14,14.52)

Generated: 09/08/26 09:44:00. Forecast: 09/08/26 to 15/08/26. Timezone: UTC+2.00