Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 30

Waning Gibbous 77%

19:47

11:57

11 OK
12 OK
13 Good
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 OK
05 OK
06 OK
07 OK
08 Bad
09 OK
10 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)

27
21
13
55
56
72
96
100
100
100
100
100
100
100
68
75
95
44
36
28
44
53
46
50

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)

27
12
13
35
32
61
95
100
100
100
100
100
100
100
65
73
95
40
31
28
44
48
36
35

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)

9
10
11
13
13
11
10
8
5
4
4
4
4
4
4
4
4
4
5
5
4
5
8
11

Chance of Frost

Temperature (°C)

21
21
21
21
21
21
20
18
16
14
14
13
13
13
13
13
13
13
13
12
12
13
16
18

Feels Like (°C)

17
18
18
16
16
17
17
16
13
12
11
11
11
11
11
11
11
11
11
11
11
12
14
14

Dew Point (°C)

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

Relative Humidity (%)

40
39
39
37
36
37
42
51
56
57
59
60
60
60
61
61
61
63
64
65
66
64
54
44

Pressure (mb)

1027
1027
1027
1026
1026
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027

Ozone (du)

289
289
290
290
290
289
290
290
290
290
291
291
291
289
288
288
287
288
289
289
289
288
287
287

Thursday 1

Waning Gibbous 66%

20:30

13:19

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
09 Bad
10 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)

51
52
69
70
62
80
79
69
77
99
100
100
100
100
100
99
100
99
100
100
100
100
100
100

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
3
5
45
45

High Clouds (% Sky Obscured)

51
47
66
67
58
80
79
69
77
99
100
100
100
100
100
99
100
99
100
100
100
100
100
100

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)

13
13
14
13
13
12
10
8
4
4
3
3
3
3
2
2
2
2
1
2
2
1
2
3

Chance of Frost

Temperature (°C)

19
20
21
21
21
21
20
19
16
14
14
13
13
13
13
12
12
12
12
12
12
12
14
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
39
36
34
33
33
38
47
53
54
54
54
54
54
52
52
51
50
49
50
48
50
46
40

Pressure (mb)

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

Ozone (du)

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

Friday 2

Waning Gibbous 54%

21:30

14:30

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

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
100
100
100
100
100
99
100
100
100
100
68
29
20
32
44
48
37
38
39
41
31
32

Low Clouds (% Sky Obscured)

0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
9
19
26
26
24
24
16
8
0

Medium Clouds (% Sky Obscured)

51
36
31
48
14
2
8
4
1
1
1
2
13
3
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
100
100
58
25
20
32
38
27
11
9
8
26
22
25

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
4
4
4
6
6
5
4
4
5
6
6
7
8
8
9
9
10
9
10
11
11

Relative Humidity (%)

39
37
36
36
37
37
45
49
52
56
58
62
67
72
77
83
85
91
93
95
93
93
83
70

Pressure (mb)

1031
1031
1031
1030
1030
1030
1030
1030
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1032
1032
1031
1031

Ozone (du)

289
288
288
288
288
288
288
288
288
288
289
289
289
289
289
289
288
288
288
287
287
288
288
288

Saturday 3

Third Quarter 43%

22:45

15:23

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

37
32
37
23
12
2
2
3
3
19
27
24
17
22
16
7
7
10
38
63
99
93
86
78

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
14
20
13
7
0
0
0
0
1
6
5
2
2
0
0
0
0
0
0
0
6
13
19

High Clouds (% Sky Obscured)

18
9
8
3
3
2
1
2
3
19
25
16
16
20
15
6
5
8
36
62
99
86
71
57

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
20
20
20
21
21
19
16
14
11
10
10
10
10
9
9
10
9
9
8
8
10
12

Dew Point (°C)

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

Relative Humidity (%)

55
44
39
36
33
34
42
49
51
55
58
57
59
59
60
60
59
60
59
58
57
53
46
40

Pressure (mb)

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

Ozone (du)

289
289
289
289
288
287
286
286
285
285
286
285
285
284
283
283
283
282
283
283
284
286
287
287

Sunday 4

Waning Crescent 31%

00:09

16:01

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 OK
07 OK
08 OK
09 OK
10 Good

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)

85
92
100
98
96
94
96
98
100
100
100
100
100
100
100
84
71
56
49
46
37
29
19
5

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
36
33
26
19
19
19
18
14
13
12
13
14
14
13
5

Medium Clouds (% Sky Obscured)

22
26
29
35
35
32
38
67
70
94
98
100
92
83
73
59
50
37
29
19
14
9
5
0

High Clouds (% Sky Obscured)

69
84
100
94
87
81
86
93
100
100
100
100
100
100
100
84
71
56
49
46
37
29
15
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
3
4
1
5
3
2
2
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
5
5
5
4
3
2
1
2
3
3
3
3
3
3
4
3
3
3
2
2
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
15
15
16
16
17
15
13
12
12
12
12
12
12
11
9
9
9
9
8
8
10
11

Dew Point (°C)

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

Relative Humidity (%)

37
35
34
33
32
33
43
46
47
49
49
50
51
53
54
55
56
58
59
58
58
59
53
48

Pressure (mb)

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

Ozone (du)

287
287
288
288
289
290
290
289
289
291
291
292
293
292
292
291
291
291
291
292
294
296
295
295

Monday 5

Waning Crescent 21%

01:35

16:28

11 Good
12 Good
13 OK
14 OK
15 OK
16 OK
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
09 Bad
10 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)

13
17
23
25
26
32
54
76
96
81
65
49
50
52
54
56
57
56
65
75
83
87
90
93

Low Clouds (% Sky Obscured)

8
7
5
15
26
32
48
42
36
22
11
0
8
15
24
29
29
30
25
23
24
18
15
11

Medium Clouds (% Sky Obscured)

0
0
0
10
18
28
26
25
30
27
23
17
15
12
12
10
8
6
6
7
7
16
22
29

High Clouds (% Sky Obscured)

3
5
8
8
9
9
37
60
73
34
23
12
12
13
17
20
19
16
23
26
26
25
24
28

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

Chance of Frost

Temperature (°C)

15
16
17
18
18
17
17
16
14
13
12
11
11
10
9
8
8
8
7
7
7
8
10
12

Feels Like (°C)

11
12
13
13
18
17
17
18
18
18
10
10
11
10
10
9
8
9
8
8
8
8
7
8

Dew Point (°C)

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

Relative Humidity (%)

44
42
42
41
43
46
49
55
61
68
70
72
73
76
77
77
78
79
81
81
81
82
74
68

Pressure (mb)

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

Ozone (du)

295
295
295
296
296
296
296
293
291
288
287
286
285
283
282
281
279
278
276
276
276
276
275
274

Tuesday 6

Waning Crescent 12%

02:59

16:48

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

Sun - Rise: 07:06, Set: 18:23, Transit: 12:44. Moon - Rise: 02:59, Set: 16:48. Civil Dark: 18:55 - 06:33. Nautical Dark: 19:33 - 05:56. Astro Dark: 20:11 - 05:17

Total Clouds (% Sky Obscured)

87
80
74
78
81
86
83
76
65
68
71
75
71
66
61

Low Clouds (% Sky Obscured)

7
7
13
16
22
29
30
29
31
34
38
45
44
40
36

Medium Clouds (% Sky Obscured)

23
14
5
4
3
2
2
2
2
5
7
7
15
23
26

High Clouds (% Sky Obscured)

26
30
30
49
67
79
67
48
27
21
16
13
9
6
4

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

1
1
0
3
4
2
3
7
3
8
10
1
1
5
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
10
11
17
16
16
16
17
17
11
12
12
12
12

Dew Point (°C)

7
7
7
8
8
8
8
9
8
9
9
8
8
8
8

Relative Humidity (%)

62
59
56
53
53
54
54
61
66
74
76
79
80
83
83

Pressure (mb)

1023
1022
1022
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021

Ozone (du)

273
273
272
272
272
272
273
273
273
273
273
273
273
273
273

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

Generated: 30/09/26 11:04:10. Forecast: 30/09/26 to 06/10/26. Timezone: UTC+2.00