Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waxing Crescent 4%

09:34

18:26

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

Sun - Rise: 07:19, Set: 18:16, Transit: 12:48. Moon - Rise: 09:34, Set: 18:26. Civil Dark: 18:49 - 06:47. Nautical Dark: 19:26 - 06:09. Astro Dark: 20:04 - 05:32

Total Clouds (% Sky Obscured)

71
57
50
48
41
54
68
90
73
57
84
81
87
61
45
57
19
17
11
4
1
21
27
34

Low Clouds (% Sky Obscured)

7
23
17
46
29
33
45
81
58
49
48
50
57
36
37
24
19
1
7
4
0
21
27
34

Medium Clouds (% Sky Obscured)

9
22
8
0
0
0
0
0
0
32
27
22
34
25
16
18
16
17
9
0
0
0
0
3

High 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
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
1
1
1
1
1
3
11
2
13
2
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
8
7
6
6
7
8
8
8
9
9
8
7
5
4
3
3
3
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
85
85
78
73
70
66
57
48
44
42
42
45
54
56
61
64
69
71
71
73
75

Pressure (mb)

1017
1018
1018
1019
1019
1020
1020
1021
1022
1022
1022
1022
1022
1022
1022
1023
1024
1024
1025
1025
1026
1026
1027
1027

Ozone (du)

325
325
326
326
325
323
320
319
319
318
319
320
321
318
316
313
313
310
308
307
304
301
299
298

Tuesday 13

Waxing Crescent 9%

10:49

18:50

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

Sun - Rise: 07:21, Set: 18:14, Transit: 12:48. Moon - Rise: 10:49, Set: 18:50. Civil Dark: 18:47 - 06:49. Nautical Dark: 19:24 - 06:11. Astro Dark: 20:02 - 05:33

Total Clouds (% Sky Obscured)

34
35
42
41
39
39
5
40
4
16
41
52
53
45
54
94
98
94
98
100
100
100
95
100

Low Clouds (% Sky Obscured)

34
35
42
41
39
39
5
7
0
0
0
36
37
19
0
0
0
1
45
83
94
100
82
100

Medium Clouds (% Sky Obscured)

3
2
2
2
0
0
0
0
3
12
34
36
35
33
50
93
95
92
95
100
92
95
72
92

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
36
0
1
5
5
31
5
6
60
87
36
49
98
96
69
28
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
5

Fog (%)

0
0
1
9
4
5
2
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
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
14
34
41
36
54
42

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
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
3
3
3
3
3
4
7
10
12
13
14
15
15
15
13
12
11
11
11
11
11
11
11

Feels Like (°C)

4
4
4
4
3
4
5
8
9
11
12
13
14
15
15
13
9
8
8
9
8
8
8
8

Dew Point (°C)

-1
0
-0
-0
-0
-0
-1
1
2
2
2
2
2
2
3
3
2
2
2
3
5
7
7
8

Relative Humidity (%)

75
79
80
80
82
80
71
64
57
51
47
43
41
41
46
50
50
51
51
57
66
73
73
79

Pressure (mb)

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

Ozone (du)

297
296
295
293
291
289
288
287
287
286
285
284
283
281
279
277
276
275
275
275
276
277
280
281

Wednesday 14

Waxing Crescent 15%

12:00

19:22

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

Sun - Rise: 07:23, Set: 18:12, Transit: 12:47. Moon - Rise: 12:00, Set: 19:22. Civil Dark: 18:45 - 06:50. Nautical Dark: 19:22 - 06:13. Astro Dark: 20:00 - 05:35

Total Clouds (% Sky Obscured)

98
87
80
76
67
33
61
54
59
70
71
46
41
32
68
65
65
63
61
60
99
100
100
99

Low Clouds (% Sky Obscured)

86
67
70
65
53
30
59
51
59
54
48
45
39
29
29
33
24
15
8
0
5
9
13
37

Medium Clouds (% Sky Obscured)

52
70
8
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5

High Clouds (% Sky Obscured)

0
0
0
0
2
11
21
13
9
24
49
3
3
5
42
32
65
63
61
60
99
100
100
98

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 (%)

28
35
30
15
2
1
1
4
1
2
1
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
7
7
7
7
6
6
8
9
10
10
11
10
9
8
5
4
4
4
4
4
3
3
2

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
12
14
15
15
16
16
16
16
16
14
12
11
10
10
9
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
84
84
86
84
83
72
63
57
52
48
47
46
49
58
62
67
71
73
75
78
79
81

Pressure (mb)

1025
1025
1025
1026
1026
1027
1027
1028
1028
1028
1028
1028
1028
1027
1027
1028
1028
1029
1029
1029
1029
1029
1028
1029

Ozone (du)

281
284
286
290
291
294
295
295
294
294
297
299
296
296
295
296
297
296
295
294
292
291
291
288

Thursday 15

Waxing Crescent 23%

13:04

20:05

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
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 OK
22 OK
23 OK
00 OK
01 OK
02 OK

Sun - Rise: 07:24, Set: 18:10, Transit: 12:47. Moon - Rise: 13:04, Set: 20:05. Civil Dark: 18:43 - 06:52. Nautical Dark: 19:20 - 06:14. Astro Dark: 19:58 - 05:37

Total Clouds (% Sky Obscured)

99
98
92
78
70
61
48
44
49
55
60
56
58
57
66
70
75
60
47
40
33
30
28
39

Low Clouds (% Sky Obscured)

41
60
42
45
46
32
16
0
5
11
16
11
6
0
0
0
0
0
0
0
4
9
13
35

Medium Clouds (% Sky Obscured)

12
17
14
10
6
9
12
15
25
31
45
47
44
41
42
39
40
34
32
31
25
20
14
12

High Clouds (% Sky Obscured)

96
95
85
57
49
41
30
23
30
34
39
30
17
5
25
45
65
52
31
13
10
8
9
6

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)

2
2
2
2
2
3
2
2
2
2
3
3
3
3
3
3
3
3
3
3
4
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
79
82
84
84
78
71
66
60
55
50
47
46
50
57
61
62
63
66
70
74
77
78

Pressure (mb)

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

Ozone (du)

287
287
286
289
288
288
288
288
290
289
288
287
285
284
283
282
281
281
281
281
281
280
279
278

Friday 16

Waxing Crescent 31%

13:57

20:58

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: 07:26, Set: 18:08, Transit: 12:47. Moon - Rise: 13:57, Set: 20:58. Civil Dark: 18:41 - 06:53. Nautical Dark: 19:18 - 06:16. Astro Dark: 19:56 - 05:38

Total Clouds (% Sky Obscured)

50
62
99
99
95
96
97
97
98
99
100
100
100
100
89
82
74
77
82
84
77
71
62
60

Low Clouds (% Sky Obscured)

50
62
83
84
85
83
77
70
47
23
0
0
0
0
0
0
0
15
30
42
48
51
56
30

Medium Clouds (% Sky Obscured)

12
10
17
27
35
43
54
85
70
54
36
46
57
64
46
29
13
14
15
15
18
25
29
40

High Clouds (% Sky Obscured)

5
4
52
57
59
51
49
46
61
79
100
100
100
100
82
64
58
54
42
38
30
13
7
3

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
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
25
49
68
73

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
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
6
6
6
6
6
7
8
10
12
14
16
16
16
16
15
13
11
11
10
10
10
9
9

Feels Like (°C)

7
6
6
3
3
4
5
6
6
9
11
13
13
14
14
13
13
13
8
9
9
9
8
9

Dew Point (°C)

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

Relative Humidity (%)

81
84
83
83
83
83
73
64
57
51
45
43
43
44
45
49
52
56
58
60
62
63
64
66

Pressure (mb)

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

Ozone (du)

277
277
276
275
275
275
274
274
274
275
275
274
274
274
274
274
273
273
273
273
273
273
274
274

Saturday 17

Waxing Crescent 41%

14:38

22:01

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: 07:27, Set: 18:06, Transit: 12:47. Moon - Rise: 14:38, Set: 22:01. Civil Dark: 18:39 - 06:55. Nautical Dark: 19:16 - 06:17. Astro Dark: 19:54 - 05:40

Total Clouds (% Sky Obscured)

54
44
45
46
52
60
74
95
96
97
98
95
83
79
64
57
50
55
57
62
64
70
81
76

Low Clouds (% Sky Obscured)

29
33
39
40
37
55
69
83
83
81
78
46
28
10
7
3
9
17
31
39
53
65
74
75

Medium Clouds (% Sky Obscured)

41
43
43
43
43
46
54
68
72
73
73
69
63
63
57
55
50
55
50
50
49
53
56
53

High Clouds (% Sky Obscured)

2
0
3
6
8
5
3
0
11
24
36
47
33
33
22
21
20
30
35
35
35
30
25
15

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

Precipitation Probability (%)

73
71
69
55
43
39
29
19
24
27
29
33
34
29
27
19
2
2
2
0
3
4
3
5

Precipitation Amount (mm)

0.3
0.3
0.3
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)

2
2
2
2
3
3
4
6
6
8
9
10
9
9
8
7
5
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
5
5
5
4
5
5
5
7
8
10
9
8
7
6
4
3
3
3
2
2
3
3

Relative Humidity (%)

68
69
70
72
73
73
73
72
71
76
79
84
80
76
72
72
70
70
71
73
72
72
73
73

Pressure (mb)

1021
1021
1022
1022
1023
1023
1024
1025
1025
1025
1026
1026
1026
1026
1026
1027
1027
1028
1028
1029
1029
1029
1029
1029

Ozone (du)

275
276
277
277
278
279
278
277
277
278
280
282
283
285
287
289
291
292
296
300
304
302
301
300

Sunday 18

First Quarter 51%

15:09

23:10

Sun - Rise: 07:29, Set: 18:04, Transit: 12:46. Moon - Rise: 15:09, Set: 23:10. Civil Dark: 18:37 - 06:56. Nautical Dark: 19:14 - 06:19. Astro Dark: 19:52 - 05:41

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: 12/10/26 02:25:19. Forecast: 12/10/26 to 18/10/26. Timezone: UTC+2.00