Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 8

Waning Crescent 16%

00:41

No Set

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

Sun - Rise: 05:36, Set: 20:28, Transit: 13:01. Moon - Rise: 00:41, Set: No Set. Civil Dark: 21:06 - 04:58. Nautical Dark: 21:54 - 04:10. Astro Dark: 22:55 - 03:11

Total Clouds (% Sky Obscured)

29
27
19
0
0
0
0
0
0
0
0
0
2
3
25
15
2
0
2
1
10
30
30
30

Low Clouds (% Sky Obscured)

21
10
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
3
20
14
2
0
2
1
10
30
30
30

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

Chance of Frost

Temperature (°C)

22
21
19
17
16
15
14
13
12
12
12
11
11
14
17
20
22
23
25
26
27
27
28
28

Feels Like (°C)

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

Dew Point (°C)

8
9
11
10
9
9
8
8
8
8
8
8
7
7
8
8
8
8
8
8
7
6
6
6

Relative Humidity (%)

39
46
56
61
63
65
68
72
75
77
77
77
75
65
55
47
41
37
34
31
28
26
25
25

Pressure (mb)

1021
1021
1022
1022
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1019
1018
1018
1017
1017

Ozone (du)

311
311
310
310
310
310
312
313
314
311
308
305
304
306
306
306
304
304
298
297
297
299
299
299

Sunday 9

Waning Crescent 8%

01:54

18:43

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

Sun - Rise: 05:37, Set: 20:26, Transit: 13:01. Moon - Rise: 01:54, Set: 18:43. Civil Dark: 21:04 - 05:00. Nautical Dark: 21:52 - 04:12. Astro Dark: 22:51 - 03:14

Total Clouds (% Sky Obscured)

30
24
30
57
100
60
83
80
84
69
95
95
64
100
95
42
50
1
42
12
65
68
66
79

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
14
4
0
8

Medium Clouds (% Sky Obscured)

0
0
0
0
1
24
83
76
67
32
29
64
64
45
24
2
6
0
22
7
1
34
65
65

High Clouds (% Sky Obscured)

30
24
30
57
100
60
43
17
49
59
91
91
41
100
94
42
50
1
19
3
55
54
52
50

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
1
13
15
21
12
3
3
17
4
20
14
27
31
15

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
4
3
4
3
3
3
3
2
2
1
1
1
2
3
4
6
8
9
11
11
11
10
13

Chance of Frost

Temperature (°C)

27
26
24
21
20
19
19
19
18
18
18
18
18
19
21
22
24
25
28
30
30
31
31
29

Feels Like (°C)

26
25
23
19
18
18
18
17
18
18
17
17
17
20
19
20
22
23
28
29
30
28
29
27

Dew Point (°C)

8
11
11
8
7
7
7
7
7
7
6
6
7
8
8
8
9
11
13
12
11
9
9
7

Relative Humidity (%)

29
38
43
43
44
44
46
45
46
46
45
45
46
48
43
40
39
41
40
34
29
26
25
24

Pressure (mb)

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

Ozone (du)

298
299
299
301
302
305
304
304
303
305
308
314
315
317
317
320
322
322
317
315
314
312
311
308

Monday 10

Waning Crescent 3%

03:21

19:28

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

Sun - Rise: 05:39, Set: 20:25, Transit: 13:01. Moon - Rise: 03:21, Set: 19:28. Civil Dark: 21:02 - 05:02. Nautical Dark: 21:50 - 04:14. Astro Dark: 22:48 - 03:17

Total Clouds (% Sky Obscured)

54
25
57
10
24
38
37
31
56
58
68
98
95
55
69
73
74
60
41
41
18
19
22
15

Low Clouds (% Sky Obscured)

5
1
17
0
4
21
19
2
23
12
25
16
3
12
35
38
47
52
36
39
15
16
15
8

Medium Clouds (% Sky Obscured)

47
25
49
5
24
38
34
25
38
17
19
11
20
2
1
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

8
4
2
4
0
1
2
3
56
58
68
97
90
55
65
70
74
7
4
0
0
0
3
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 (%)

19
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
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
5
3
4
6
8
9
9
9
7
5
4
4
4
4
4
3
3
5
5
5
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
12
14
12
12
13
13
14
14
13
13
13
12
11
11
11
11
11
11
9
7
5
4
5

Relative Humidity (%)

30
42
57
53
59
66
71
79
82
82
86
86
86
77
67
62
57
51
48
40
33
28
27
30

Pressure (mb)

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

Ozone (du)

307
307
304
306
306
305
304
303
302
304
304
306
308
308
307
306
305
306
306
307
307
307
308
309

Tuesday 11

Waning Crescent 0%

04:52

19:59

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
10 Good
11 Good
12 OK
13 OK
14 OK
15 OK
16 OK
17 Good

Sun - Rise: 05:40, Set: 20:23, Transit: 13:01. Moon - Rise: 04:52, Set: 19:59. Civil Dark: 21:00 - 05:03. Nautical Dark: 21:47 - 04:16. Astro Dark: 22:45 - 03:20

Total Clouds (% Sky Obscured)

8
2
2
1
0
0
0
0
0
0
0
2
3
3
5
7
10
16
25
36
33
26
21
12

Low Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
5
10
18
25
22
21
20
12

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
18
17
15
14
13
13
12
12
11
10
10
10
12
15
16
17
18
19
20
21
21
21
21

Dew Point (°C)

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

Relative Humidity (%)

33
40
50
57
61
61
60
61
60
61
63
66
67
62
50
43
39
35
32
29
28
27
26
27

Pressure (mb)

1021
1022
1022
1023
1024
1024
1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025

Ozone (du)

310
312
311
312
313
313
313
314
317
318
317
317
316
316
317
316
315
314
315
314
314
314
314
314

Wednesday 12

New Moon 1%

06:20

20:21

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 OK
07 OK
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good

Sun - Rise: 05:42, Set: 20:21, Transit: 13:00. Moon - Rise: 06:20, Set: 20:21. Civil Dark: 20:58 - 05:05. Nautical Dark: 21:45 - 04:18. Astro Dark: 22:42 - 03:22

Total Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
0
0
1
2
20
20
15
12
8
7
5
3
3
2
2
1

Low Clouds (% Sky Obscured)

6
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
1
2
20
20
15
12
8
5
4
2
2
2
2
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
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)

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

Chance of Frost

Temperature (°C)

22
21
18
16
15
14
13
12
12
12
11
11
12
14
16
18
20
22
23
24
25
25
25
25

Feels Like (°C)

20
19
17
15
14
13
12
12
11
11
10
10
11
12
15
16
16
17
18
19
20
24
24
22

Dew Point (°C)

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

Relative Humidity (%)

29
34
46
48
49
50
51
53
52
53
52
54
55
52
42
36
31
27
26
24
21
21
21
21

Pressure (mb)

1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1023

Ozone (du)

314
313
312
312
311
311
310
309
308
309
308
308
308
310
312
311
311
310
309
309
308
307
306
305

Thursday 13

Waxing Crescent 4%

07:45

20:38

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
10 Good
11 OK
12 OK
13 OK
14 Good
15 Good
16 Good
17 Good

Sun - Rise: 05:43, Set: 20:19, Transit: 13:00. Moon - Rise: 07:45, Set: 20:38. Civil Dark: 20:56 - 05:07. Nautical Dark: 21:43 - 04:20. Astro Dark: 22:38 - 03:25

Total Clouds (% Sky Obscured)

1
1
2
2
3
3
3
3
2
1
0
4
7
11
14
14
16
19
20
24
16
8
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)

1
1
2
2
3
3
3
3
2
1
0
3
6
10
11
14
14
17
20
24
16
8
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)

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

Chance of Frost

Temperature (°C)

24
22
20
19
17
15
14
14
13
13
12
12
14
15
17
20
22
25
26
28
29
29
29
30

Feels Like (°C)

24
24
25
18
17
17
16
15
14
12
12
12
12
12
11
18
20
21
22
23
23
30
30
29

Dew Point (°C)

3
5
6
6
5
4
4
3
3
3
3
4
4
4
4
4
3
3
3
2
2
1
1
0

Relative Humidity (%)

26
32
40
42
44
46
48
49
51
53
54
56
51
46
42
34
28
23
21
19
17
16
15
15

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1019
1018
1018
1017
1017
1016

Ozone (du)

304
303
302
302
302
303
302
302
302
302
301
301
301
302
302
302
303
303
304
305
306
307
308
309

Friday 14

Waxing Crescent 10%

09:06

20:52

18 Good
19 Good
20 Good
21 Good
22 Good
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

Sun - Rise: 05:45, Set: 20:17, Transit: 13:00. Moon - Rise: 09:06, Set: 20:52. Civil Dark: 20:54 - 05:08. Nautical Dark: 21:40 - 04:22. Astro Dark: 22:35 - 03:28

Total Clouds (% Sky Obscured)

0
0
5
10
14
22
30
37
49
65
81
88
93
99
93
88
83
69
53
43

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
5

Medium Clouds (% Sky Obscured)

0
0
0
1
1
10
19
31
32
35
38
33
31
27
25
20
18
24
30
39

High Clouds (% Sky Obscured)

0
0
5
9
12
10
9
10
31
52
73
81
90
98
91
83
76
54
31
9

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
5
6
7
8
6
9
10
3
24
33
39

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

28
26
24
22
20
18
18
18
17
17
17
17
19
20
21
23
26
28
28
29

Feels Like (°C)

30
31
32
22
22
21
21
21
21
17
18
18
18
17
16
21
22
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

18
22
28
31
35
40
41
43
45
45
46
48
44
41
38
32
27
23
20
18

Pressure (mb)

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

Ozone (du)

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

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

Generated: 08/08/26 18:28:07. Forecast: 08/08/26 to 14/08/26. Timezone: UTC+2.00