Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 19

Waxing Gibbous 60%

15:33

00:22

03 Good
04 Good
05 OK
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 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:31, Set: 18:02, Transit: 12:46. Moon - Rise: 15:33, Set: 00:22. Civil Dark: 18:35 - 06:58. Nautical Dark: 19:12 - 06:20. Astro Dark: 19:50 - 05:43

Total Clouds (% Sky Obscured)

11
13
29
53
54
63
95
100
100
100
99
100
100
82
93
93
97
86
29
55
80
74
79
79

Low Clouds (% Sky Obscured)

11
13
29
53
54
61
77
84
77
88
84
70
68
64
85
86
97
86
29
53
59
52
60
69

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
16
51
54
28
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
2
2
10
21
54
100
100
100
86
45
45
2
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
1
2
1
2
4
7
7
4
1
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)

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

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
7
9
10
10
11
11
12
12
12
11
10
9
9
8
7
7
6
6

Feels Like (°C)

6
6
5
6
6
7
7
7
8
8
9
9
10
10
9
8
6
6
6
6
5
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

78
78
80
82
85
87
79
73
69
65
65
63
63
62
57
56
61
63
70
81
79
76
76
75

Pressure (mb)

1029
1029
1029
1029
1029
1029
1030
1030
1029
1029
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024

Ozone (du)

284
282
281
280
279
278
277
275
276
278
278
280
280
281
283
284
285
284
285
285
284
286
287
288

Tuesday 20

Waxing Gibbous 70%

15:51

01:35

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

Sun - Rise: 07:32, Set: 18:00, Transit: 12:46. Moon - Rise: 15:51, Set: 01:35. Civil Dark: 18:33 - 06:59. Nautical Dark: 19:11 - 06:22. Astro Dark: 19:48 - 05:44

Total Clouds (% Sky Obscured)

49
28
72
92
48
44
62
79
57
43
51
77
68
87
96
79
73
94
99
88
84
82
89
44

Low Clouds (% Sky Obscured)

49
28
46
57
46
41
62
79
57
43
51
65
41
22
0
0
0
0
0
0
0
3
8
17

Medium Clouds (% Sky Obscured)

0
0
23
17
8
22
20
14
5
0
0
42
47
78
95
69
68
80
53
50
36
45
36
31

High Clouds (% Sky Obscured)

0
0
30
45
5
2
3
22
0
0
8
27
55
55
22
18
13
47
45
41
41
30
56
21

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
1
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
5
5
5
5
6
7
9
10
11
10
10
9
9
9
8
8
9
10
10
9
8
7
6

Chance of Frost

Temperature (°C)

6
5
5
5
5
5
6
8
9
11
12
13
14
15
14
13
12
11
11
10
10
9
9
9

Feels Like (°C)

3
4
4
2
2
3
4
5
5
8
9
10
10
10
10
9
8
8
6
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

78
88
93
93
93
91
81
71
62
54
49
47
48
49
54
58
63
66
68
71
74
76
80
80

Pressure (mb)

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

Ozone (du)

289
288
286
285
285
286
285
284
284
285
282
279
276
275
275
275
275
274
274
273
272
274
273
270

Wednesday 21

Waxing Gibbous 79%

16:07

02:50

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
02 Bad

Sun - Rise: 07:34, Set: 17:58, Transit: 12:46. Moon - Rise: 16:07, Set: 02:50. Civil Dark: 18:31 - 07:01. Nautical Dark: 19:09 - 06:23. Astro Dark: 19:46 - 05:46

Total Clouds (% Sky Obscured)

58
58
55
68
90
92
90
94
95
96
75
78
100
100
100
100
100
100
100
100
100
100
95
73

Low Clouds (% Sky Obscured)

42
46
49
54
62
66
73
70
66
50
41
27
26
55
80
68
78
78
76
75
83
83
87
45

Medium Clouds (% Sky Obscured)

43
41
35
29
42
64
60
69
81
92
59
58
98
55
100
100
100
100
100
90
100
100
51
45

High Clouds (% Sky Obscured)

55
18
18
30
36
42
40
19
48
61
36
65
100
100
100
100
100
100
100
81
70
70
67
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
3
3
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

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
12
23
48
34
92
95
95
95
95
95
95
93
86
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.5
1.5
1.8
1.6
1.1
1.1
1
0.7
0.6
0.5

Wind Speed/Direction (mph)

5
3
4
5
4
3
4
5
4
6
4
3
2
4
9
9
12
11
12
10
13
13
14
12

Chance of Frost

Temperature (°C)

8
8
8
8
8
9
10
11
12
13
14
14
14
14
13
12
12
11
11
11
11
11
10
10

Feels Like (°C)

7
8
8
8
8
8
9
9
11
11
12
14
15
12
9
9
7
7
7
8
7
6
5
6

Dew Point (°C)

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

Relative Humidity (%)

81
85
85
88
88
88
80
73
69
63
59
55
53
55
70
87
92
90
85
78
80
81
74
76

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1012
1013
1014
1015
1016
1017
1017
1018

Ozone (du)

268
270
271
272
271
271
271
271
270
271
271
271
272
272
275
276
275
278
277
278
278
280
283
288

Thursday 22

Waxing Gibbous 87%

16:21

No Set

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

Sun - Rise: 07:36, Set: 17:56, Transit: 12:46. Moon - Rise: 16:21, Set: No Set. Civil Dark: 18:29 - 07:03. Nautical Dark: 19:07 - 06:25. Astro Dark: 19:44 - 05:47

Total Clouds (% Sky Obscured)

86
84
90
92
64
62
52
47
34
23
30
23
39
29
2
1
2
17
25
37
66
79
68
38

Low Clouds (% Sky Obscured)

33
23
53
22
0
6
12
17
16
13
10
8
6
3
2
1
0
0
0
0
6
12
18
14

Medium Clouds (% Sky Obscured)

74
76
77
91
41
36
31
26
17
8
0
0
0
0
0
0
0
11
18
27
25
36
23
23

High Clouds (% Sky Obscured)

23
0
12
25
35
28
19
11
8
6
27
17
39
29
0
1
2
2
0
3
27
40
30
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

Very Light Rain
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 (%)

62
46
33
23
0
0
0
0
0
0
0
0
0
0
1
2
3
1
1
0
0
0
0
0

Precipitation Amount (mm)

0.3
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
12
12
11
9
9
9
10
11
11
11
11
10
9
7
6
5
5
4
4
4
4
4
3

Chance of Frost

Temperature (°C)

10
10
9
9
9
8
9
10
11
12
13
14
14
14
13
12
10
9
9
9
8
8
8
8

Feels Like (°C)

6
6
5
5
5
6
7
8
8
9
11
11
11
10
10
11
9
9
8
8
8
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

76
77
70
69
74
79
77
67
59
53
48
45
43
44
50
57
61
66
68
69
69
69
66
68

Pressure (mb)

1019
1020
1021
1021
1022
1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

290
292
292
294
296
295
295
298
299
298
298
297
296
297
296
296
296
297
295
295
294
292
294
294

Friday 23

Waxing Gibbous 93%

16:34

04:05

03 Bad
04 Bad
05 OK
06 Good
07 Good
08 Good
09 OK
10 OK
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
02 Bad

Sun - Rise: 07:37, Set: 17:54, Transit: 12:46. Moon - Rise: 16:34, Set: 04:05. Civil Dark: 18:27 - 07:04. Nautical Dark: 19:05 - 06:26. Astro Dark: 19:43 - 05:49

Total Clouds (% Sky Obscured)

59
56
38
16
15
18
24
31
55
81
100
97
95
92
94
96
97
92
87
81
81
80
76
85

Low Clouds (% Sky Obscured)

11
8
7
7
6
4
2
0
0
0
0
0
0
0
0
0
0
8
15
23
15
8
0
0

Medium Clouds (% Sky Obscured)

59
56
37
10
7
5
3
0
20
40
60
57
50
44
47
50
55
50
48
46
41
39
37
63

High Clouds (% Sky Obscured)

0
0
1
2
3
11
19
27
53
81
100
73
47
15
10
10
30
51
68
81
81
80
76
85

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
71
74
76
78
72
61
52
44
39
35
37
39
40
44
48
53
56
60
64
68
73
77

Pressure (mb)

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

Ozone (du)

294
292
290
290
289
286
284
281
282
281
280
280
280
281
282
286
290
294
295
297
298
298
298
298

Saturday 24

Waxing Gibbous 98%

16:48

05:22

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
02 Bad

Sun - Rise: 07:39, Set: 17:52, Transit: 12:46. Moon - Rise: 16:48, Set: 05:22. Civil Dark: 18:25 - 07:06. Nautical Dark: 19:03 - 06:28. Astro Dark: 19:41 - 05:50

Total Clouds (% Sky Obscured)

93
100
100
100
100
100
100
100
100
100
100
98
92
89
73
62
50
67
82
100
87
71
60
63

Low Clouds (% Sky Obscured)

0
0
3
7
10
20
28
37
51
60
68
55
55
55
37
18
1
10
17
23
19
13
10
11

Medium Clouds (% Sky Obscured)

80
96
98
99
100
100
100
100
100
100
100
82
67
58
53
53
50
48
38
34
34
38
42
53

High Clouds (% Sky Obscured)

93
100
100
100
100
100
100
100
100
100
100
87
57
30
20
20
20
53
78
100
80
57
30
40

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
10
20
27
25
23
17
23
25
18
14
10
2
2
1
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)

10
9
9
9
9
9
9
10
11
11
11
10
9
7
5
5
4
4
4
4
4
3
3
3

Chance of Frost

Temperature (°C)

8
8
8
8
8
9
9
10
11
11
12
13
13
12
12
10
9
7
6
5
4
4
4
4

Feels Like (°C)

5
5
5
5
4
4
6
6
6
6
7
7
8
9
8
7
6
5
3
2
2
2
2
1

Dew Point (°C)

5
5
5
5
4
4
4
5
6
5
5
5
4
4
2
1
1
-1
-0
-0
0
0
1
1

Relative Humidity (%)

78
79
82
78
74
70
70
71
71
66
63
60
57
55
51
54
57
59
64
68
73
76
77
80

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1021

Ozone (du)

298
298
298
299
300
300
302
304
305
308
310
312
314
316
317
321
324
327
329
330
332
332
333
334

Sunday 25

Waxing Gibbous 100%

16:05

05:44

Sun - Rise: 06:41, Set: 16:50, Transit: 11:45. Moon - Rise: 16:05, Set: 05:44. Civil Dark: 17:24 - 06:07. Nautical Dark: 18:02 - 05:29. Astro Dark: 18:39 - 04:52

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

Generated: 19/10/26 03:10:39. Forecast: 19/10/26 to 25/10/26. Timezone: UTC+2.00