Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 29

Waning Gibbous 86%

19:16

10:30

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

Sun - Rise: 06:55, Set: 18:38, Transit: 12:46. Moon - Rise: 19:16, Set: 10:30. Civil Dark: 19:11 - 06:23. Nautical Dark: 19:49 - 05:45. Astro Dark: 20:28 - 05:06

Total Clouds (% Sky Obscured)

39
26
20
3
3
4
4
4
4
3
5
7
7
21
24
20
6
11
32
21
26
25
19
19

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)

2
2
3
2
1
2
2
2
1
1
3
5
5
15
19
18
5
9
28
17
21
25
18
19

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
2
7
9
10
10
9
9
7
5
3
4
3
3
3
4
4
4
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

12
16
18
20
21
21
21
21
20
18
15
13
13
12
11
11
11
11
11
11
11
10
10
11

Feels Like (°C)

12
15
17
18
19
19
19
19
19
18
16
14
13
12
11
10
10
10
11
9
10
9
10
11

Dew Point (°C)

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

Relative Humidity (%)

57
48
43
41
39
37
36
38
43
55
58
61
61
60
58
57
58
59
60
61
61
62
62
62

Pressure (mb)

1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1027
1027
1027
1028
1028

Ozone (du)

281
280
280
280
279
279
278
278
277
276
275
275
275
276
276
278
279
281
281
280
280
281
282
284

Wednesday 30

Waning Gibbous 77%

19:47

11:57

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

Sun - Rise: 06:57, Set: 18:36, Transit: 12:45. Moon - Rise: 19:47, Set: 11:57. Civil Dark: 19:08 - 06:24. Nautical Dark: 19:46 - 05:46. Astro Dark: 20:25 - 05:07

Total Clouds (% Sky Obscured)

19
8
8
8
9
18
39
93
35
31
51
95
86
51
25
32
39
40
45
45
45
45
45
89

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)

19
4
5
5
7
15
38
93
35
31
51
95
85
51
25
32
39
40
45
45
45
45
45
89

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
9
11
12
13
13
12
11
10
7
4
4
4
4
4
4
4
4
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

15
17
19
20
20
21
21
21
20
19
16
14
13
13
13
13
12
12
12
12
12
12
12
13

Feels Like (°C)

15
15
16
17
17
17
18
18
17
16
14
12
11
11
10
11
10
10
10
10
9
9
9
11

Dew Point (°C)

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

Relative Humidity (%)

52
45
41
39
38
37
36
36
41
51
56
57
58
60
60
61
60
61
61
62
63
63
63
61

Pressure (mb)

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

Ozone (du)

286
287
288
289
290
289
289
289
290
290
290
290
290
289
289
288
287
286
286
286
286
285
284
285

Thursday 1

Waning Gibbous 66%

20:30

13:19

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:58, Set: 18:34, Transit: 12:45. Moon - Rise: 20:30, Set: 13:19. Civil Dark: 19:06 - 06:26. Nautical Dark: 19:44 - 05:48. Astro Dark: 20:23 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
99

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
10
40
0
0
7
46
56
40
22
7
10
14
16
10

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
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 (%)

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
7
9
11
11
11
11
10
8
6
4
3
3
3
3
3
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
46
41
39
38
38
38
41
47
54
56
59
62
63
61
59
58
58
57
58
57
57
58
56

Pressure (mb)

1027
1027
1027
1027
1027
1027
1026
1026
1027
1027
1027
1028
1028
1029
1029
1029
1029
1030
1030
1030
1030
1030
1031
1031

Ozone (du)

285
284
284
285
285
285
285
285
285
286
288
289
288
290
290
290
289
288
288
288
288
288
289
290

Friday 2

Waning Gibbous 54%

21:30

14:30

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

Sun - Rise: 07:00, Set: 18:32, Transit: 12:45. Moon - Rise: 21:30, Set: 14:30. Civil Dark: 19:04 - 06:27. Nautical Dark: 19:42 - 05:49. Astro Dark: 20:20 - 05:11

Total Clouds (% Sky Obscured)

100
100
86
71
56
49
41
29
28
20
4
1
1
3
3
5
3
1
2
2
22
43
65
62

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)

8
0
0
0
0
1
2
3
2
1
0
0
0
0
0
0
0
0
0
0
5
9
12
18

High Clouds (% Sky Obscured)

99
100
84
68
56
49
40
27
27
20
4
1
1
2
3
5
3
1
2
2
22
43
65
60

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)

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

Chance of Frost

Temperature (°C)

14
16
18
19
20
21
21
20
20
17
15
13
12
11
11
10
10
10
10
9
9
9
10
11

Feels Like (°C)

13
14
16
17
18
19
18
19
19
16
13
12
12
12
11
11
10
10
10
10
10
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

51
44
40
38
35
34
33
34
42
47
53
57
61
63
65
67
67
69
68
69
69
69
70
66

Pressure (mb)

1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031

Ozone (du)

290
291
292
292
292
292
293
295
297
298
298
298
298
298
298
297
297
297
296
296
296
297
297
297

Saturday 3

Third Quarter 43%

22:45

15:23

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

Sun - Rise: 07:01, Set: 18:29, Transit: 12:44. Moon - Rise: 22:45, Set: 15:23. Civil Dark: 19:02 - 06:29. Nautical Dark: 19:40 - 05:51. Astro Dark: 20:18 - 05:12

Total Clouds (% Sky Obscured)

61
62
57
53
47
46
48
50
50
51
53
18
25
30
23
15
7
30
53
75
77
75
75
77

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)

23
28
26
25
24
31
33
32
31
34
34
0
0
0
0
0
0
0
0
0
4
8
12
9

High Clouds (% Sky Obscured)

52
42
44
44
40
27
14
0
0
1
0
18
25
30
19
12
5
28
52
75
66
55
41
51

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)

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

Chance of Frost

Temperature (°C)

13
16
18
19
20
21
21
20
20
18
16
14
12
11
10
10
10
10
10
10
9
10
10
10

Feels Like (°C)

14
16
18
19
19
20
20
19
20
17
15
14
13
12
12
11
12
12
10
9
9
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

56
49
42
38
34
32
30
31
38
47
51
53
54
55
56
55
54
54
52
49
47
48
49
51

Pressure (mb)

1031
1030
1030
1029
1029
1028
1028
1027
1027
1027
1028
1028
1030
1030
1030
1030
1029
1029
1029
1029
1028
1028
1028
1028

Ozone (du)

297
297
297
297
297
297
297
297
297
297
296
296
294
293
291
290
289
288
287
286
285
285
286
287

Sunday 4

Waning Crescent 31%

00:09

16:01

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:03, Set: 18:27, Transit: 12:44. Moon - Rise: 00:09, Set: 16:01. Civil Dark: 19:00 - 06:30. Nautical Dark: 19:37 - 05:53. Astro Dark: 20:16 - 05:14

Total Clouds (% Sky Obscured)

79
82
86
91
96
97
98
99
95
90
81
74
70
67
66
65
61
66
71
73
72
71
66
63

Low Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
0
0
0
13
25
38
47
57
61
61
59
53
61
71
66
63

Medium Clouds (% Sky Obscured)

6
2
15
28
34
48
62
78
79
80
76
74
70
67
53
28
2
11
19
28
32
33
33
26

High Clouds (% Sky Obscured)

61
70
80
89
96
97
98
99
95
90
78
42
32
20
18
16
20
21
13
2
9
12
12
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
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
2
3
1
2

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

Chance of Frost

Temperature (°C)

11
13
15
16
17
17
17
17
17
15
14
13
12
12
11
11
10
10
10
9
9
9
9
9

Feels Like (°C)

9
10
10
11
11
12
15
15
15
15
14
14
10
10
10
9
9
8
9
8
9
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

46
42
37
37
36
35
38
42
45
47
49
51
54
57
61
60
60
60
63
66
70
69
68
67

Pressure (mb)

1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028

Ozone (du)

286
285
284
284
285
285
285
286
286
289
291
293
296
298
301
305
309
313
312
311
310
310
310
310

Monday 5

Waning Crescent 30%

01:35

16:28

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

Sun - Rise: 07:04, Set: 18:25, Transit: 12:44. Moon - Rise: 01:35, Set: 16:28. Civil Dark: 18:57 - 06:32. Nautical Dark: 19:35 - 05:54. Astro Dark: 20:14 - 05:16

Total Clouds (% Sky Obscured)

60
59
65
62
55
50
46
50
60
63
72
66
60
50
65
78
91

Low Clouds (% Sky Obscured)

60
59
65
47
32
29
28
26
21
15
9
7
5
2
2
2
2

Medium Clouds (% Sky Obscured)

23
18
11
6
2
2
3
4
15
27
39
26
13
0
0
0
0

High Clouds (% Sky Obscured)

6
3
10
17
22
32
35
38
36
39
33
36
39
40
52
66
76

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
5
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
13
15
16
17
18
18
18
17
16
14
12
11
10
10
9
9

Feels Like (°C)

9
10
12
12
12
11
18
18
18
17
17
17
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

67
66
66
58
52
46
50
53
57
64
71
80
81
84
85
85
85

Pressure (mb)

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

Ozone (du)

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

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

Generated: 29/09/26 09:26:26. Forecast: 29/09/26 to 05/10/26. Timezone: UTC+2.00