Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 10

Waning Crescent 3%

03:21

19:59

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

Sun - Rise: 05:39, Set: 20:23, Transit: 13:01. Moon - Rise: 03:21, Set: 19:59. Civil Dark: 21:02 - 05:02. Nautical Dark: 21:50 - 04:14. Astro Dark: 22:48 - 03:17

Total Clouds (% Sky Obscured)

39
58
58
50
46
71
46
50
62
89
100
100
99
82
40
25
19
4
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

15
0
0
1
0
0
1
0
0
8
1
25
56
51
38
25
19
4
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

39
58
58
50
43
49
39
21
30
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
1
55
1
40
50
89
100
100
93
64
16
3
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 (%)

65
30
1
0
0
0
0
0
0
0
3
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
13
9
8
7
6
6
5
5
5
3
3
4
5
6
7
7
8
8
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
8
11
14
15
15
14
14
14
13
13
13
12
11
9
7
5
3
3
4
5
6
7
8

Relative Humidity (%)

54
48
59
73
78
82
85
87
89
89
83
74
65
56
44
35
28
25
25
27
30
34
42
51

Pressure (mb)

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

Ozone (du)

303
303
305
306
307
307
307
306
305
304
305
308
310
310
311
312
312
312
311
311
311
310
309
309

Tuesday 11

Waning Crescent 0%

04:52

20:21

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
10 OK
11 OK
12 OK
13 OK
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good

Sun - Rise: 05:40, Set: 20:21, Transit: 13:01. Moon - Rise: 04:52, Set: 20:21. Civil Dark: 20:58 - 05:03. Nautical Dark: 21:47 - 04:16. Astro Dark: 22:45 - 03:20

Total Clouds (% Sky Obscured)

0
1
0
2
3
2
3
3
3
2
2
2
6
25
31
35
29
16
0
3
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
19
22
23
24
16
0
3
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
1
0
2
3
2
3
3
3
2
2
2
6
6
3
7
3
1
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)

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

Chance of Frost

Temperature (°C)

16
15
14
13
12
12
11
11
10
10
12
15
17
18
20
21
22
22
23
23
23
22
21
18

Feels Like (°C)

15
14
13
12
12
11
10
10
10
10
12
16
17
17
19
20
21
21
22
22
22
21
19
17

Dew Point (°C)

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

Relative Humidity (%)

57
59
59
60
60
63
65
67
69
69
64
53
46
41
38
36
33
31
31
30
31
34
40
52

Pressure (mb)

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

Ozone (du)

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

Wednesday 12

New Moon 1%

06:20

20:38

21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 OK
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

Sun - Rise: 05:42, Set: 20:19, Transit: 13:00. Moon - Rise: 06:20, Set: 20:38. Civil Dark: 20:56 - 05:05. Nautical Dark: 21:45 - 04:18. Astro Dark: 22:42 - 03:22

Total Clouds (% Sky Obscured)

3
5
4
4
7
4
3
13
9
16
28
12
8
14
7
5
0
2
1
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
2
0
2
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
4
3
3
7
4
3
13
9
16
17
12
6
14
7
5
0
2
1
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
5
5
5
5
5
5
5
5
5
4
4
6
6
6
6
6
6
6
7
7
7
6
5

Chance of Frost

Temperature (°C)

16
14
14
13
12
12
11
11
11
11
12
16
19
20
21
23
24
24
24
24
24
23
22
19

Feels Like (°C)

15
14
13
12
11
11
11
10
10
10
11
16
17
18
19
21
22
23
23
23
23
21
21
19

Dew Point (°C)

7
6
5
5
4
4
4
4
3
3
4
5
5
5
4
4
4
5
5
5
6
6
7
9

Relative Humidity (%)

55
55
56
58
58
59
60
60
60
60
58
48
40
36
32
30
28
28
27
27
29
32
39
49

Pressure (mb)

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

Ozone (du)

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

Thursday 13

Waxing Crescent 4%

07:45

20:52

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
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good

Sun - Rise: 05:43, Set: 20:17, Transit: 13:00. Moon - Rise: 07:45, Set: 20:52. Civil Dark: 20:54 - 05:07. Nautical Dark: 21:43 - 04:20. Astro Dark: 22:38 - 03:25

Total Clouds (% Sky Obscured)

1
3
0
0
0
2
1
0
3
2
0
0
0
0
0
0
0
1
1
2
3
2
1
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)

1
3
0
0
0
2
1
0
3
2
0
0
0
0
0
0
0
1
1
2
3
2
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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
15
14
13
13
13
12
13
12
13
15
18
20
22
23
25
25
26
26
27
26
25
23
22

Dew Point (°C)

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

Relative Humidity (%)

51
52
52
54
55
57
59
61
62
63
59
49
41
37
33
30
29
28
27
27
28
31
38
43

Pressure (mb)

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

Ozone (du)

305
306
306
305
305
305
306
305
305
306
307
308
309
309
309
308
309
309
309
309
308
308
308
308

Friday 14

Waxing Crescent 10%

09:06

21:05

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

Sun - Rise: 05:45, Set: 20:15, Transit: 13:00. Moon - Rise: 09:06, Set: 21:05. Civil Dark: 20:52 - 05:08. Nautical Dark: 21:40 - 04:22. Astro Dark: 22:35 - 03:28

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
5
2
8
14
19
30
39
47
42
30
17
26

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
13
29
44
32
17
5
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
7
4
2
8
14
19
28
29
30
17
11
7
8

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
1
4
4
5
5
4
3

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
4
3
3
2
2
2
2
2
1
2
2
4
6
6
7
8
6
6
6
3
2
4

Chance of Frost

Temperature (°C)

20
18
17
16
16
16
16
16
15
16
18
20
22
24
27
28
30
31
32
32
32
30
28
25

Feels Like (°C)

20
18
17
17
17
17
17
17
16
17
19
20
21
22
23
24
25
26
32
31
31
31
31
32

Dew Point (°C)

7
6
5
5
5
5
5
5
5
6
7
6
5
6
6
6
6
6
6
5
5
6
7
7

Relative Humidity (%)

43
44
45
46
46
47
48
48
50
51
50
40
34
29
25
23
22
20
20
19
18
22
26
31

Pressure (mb)

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

Ozone (du)

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

Saturday 15

Waxing Crescent 18%

10:23

21:05

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

Sun - Rise: 05:46, Set: 20:13, Transit: 13:00. Moon - Rise: 10:23, Set: 21:05. Civil Dark: 20:49 - 05:10. Nautical Dark: 21:38 - 04:24. Astro Dark: 22:32 - 03:31

Total Clouds (% Sky Obscured)

30
33
35
37
39
48
57
64
69
68
70
83
90
98
92
87
81
67
53
39
48
58
66
67

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
7
11
12
16
15
18
23
24
17
12
7
10
16
20
26
26
30
28

Medium Clouds (% Sky Obscured)

1
0
1
3
4
25
49
64
69
68
64
49
39
32
46
61
73
48
25
3
13
24
35
42

High Clouds (% Sky Obscured)

7
9
9
15
20
24
32
36
44
51
62
75
89
97
76
53
31
19
10
2
6
7
10
13

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 (%)

3
0
1
1
0
16
26
33
33
31
28
42
44
38
45
46
45
37
27
1
9
12
12
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
23
21
21
20
19
19
18
18
18
19
20
22
24
25
26
26
27
28
28
29
27
26
24

Feels Like (°C)

24
25
25
24
23
22
19
19
19
18
18
18
20
21
21
22
23
25
26
26
27
29
30
32

Dew Point (°C)

8
7
8
7
6
6
6
6
6
6
7
8
7
6
5
7
9
11
11
10
10
12
14
16

Relative Humidity (%)

34
37
41
40
41
41
42
44
45
44
44
45
37
31
26
29
32
36
34
32
29
37
47
59

Pressure (mb)

1012
1012
1013
1013
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1012
1012
1012

Ozone (du)

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

Sunday 16

Waxing Crescent 26%

11:40

21:19

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: 05:48, Set: 20:11, Transit: 13:00. Moon - Rise: 11:40, Set: 21:19. Civil Dark: 20:47 - 05:12. Nautical Dark: 21:35 - 04:26. Astro Dark: 22:29 - 03:33

Total Clouds (% Sky Obscured)

68
72
77
80
85
82
77
71
63
62
58
51
52
53
50
47
43

Low Clouds (% Sky Obscured)

27
25
23
20
18
21
24
26
21
17
12
18
24
32
35
36
37

Medium Clouds (% Sky Obscured)

47
52
60
69
75
65
54
42
41
36
35
25
18
9
6
4
1

High Clouds (% Sky Obscured)

16
29
34
45
65
75
70
70
63
62
54
41
32
24
20
17
14

ISS Passover

Visibility (miles)

8
6
4
5
5
6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

45
54
50
44
36
37
38
37
29
19
4
3
2
0
4
8
10

Precipitation Amount (mm)

0
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
21
20
19
19
18
18
17
17
18
19
20
22
24
26
27
28

Feels Like (°C)

23
22
23
21
21
20
17
17
17
17
17
17
21
22
23
24
24

Dew Point (°C)

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

Relative Humidity (%)

67
76
88
88
89
89
88
89
89
85
80
76
64
55
47
41
36

Pressure (mb)

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

Ozone (du)

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

Forecast for Maršov u Úpice, Trutnov District, Czech Republic (50.48,15.98)

Generated: 10/08/26 21:49:15. Forecast: 10/08/26 to 16/08/26. Timezone: UTC+2.00