Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 6

Waning Crescent 28%

00:58

17:25

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

Sun - Rise: 06:18, Set: 19:29, Transit: 12:54. Moon - Rise: 00:58, Set: 17:25. Civil Dark: 20:03 - 05:45. Nautical Dark: 20:43 - 05:04. Astro Dark: 21:27 - 04:21

Total Clouds (% Sky Obscured)

76
75
70
3
31
36
51
49
57
56
72
46
71
32
43
42
20
33
67
12
10
69
79
33

Low Clouds (% Sky Obscured)

18
14
5
0
23
34
48
42
52
50
45
37
50
32
43
42
20
33
30
3
0
0
5
15

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
2
6
10

High Clouds (% Sky Obscured)

27
3
4
3
16
3
3
4
7
13
35
13
34
8
8
3
2
4
50
9
4
69
78
14

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
1
0
0
1
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
4
3
4
4
3
3
4
8
9
9
10
10
9
8
7
6
5
3
3
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
9
9
9
8
8
8
8
7
6
4
4
4
3
3
3
4
6
8
7
6
5
5
4

Relative Humidity (%)

77
81
85
91
93
93
95
83
68
54
47
42
39
37
35
35
38
46
57
64
68
71
69
68

Pressure (mb)

1023
1023
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028

Ozone (du)

319
316
314
312
310
309
308
308
309
308
307
305
303
302
300
300
300
299
299
297
295
293
292
291

Monday 7

Waning Crescent 18%

00:58

17:59

01 Bad
02 Bad
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 OK

Sun - Rise: 06:20, Set: 19:27, Transit: 12:53. Moon - Rise: 00:58, Set: 17:59. Civil Dark: 20:01 - 05:46. Nautical Dark: 20:41 - 05:06. Astro Dark: 21:24 - 04:23

Total Clouds (% Sky Obscured)

57
79
82
84
100
100
100
95
70
87
75
88
73
96
99
100
100
100
94
91
84
66
84
37

Low Clouds (% Sky Obscured)

15
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)

6
3
2
2
2
59
64
61
26
74
59
88
73
65
70
55
25
42
43
51
36
21
43
25

High Clouds (% Sky Obscured)

40
70
82
84
100
100
100
86
55
67
62
58
45
89
96
100
100
100
80
47
44
38
61
11

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

Chance of Frost

Temperature (°C)

9
9
8
8
9
9
10
12
14
16
17
19
20
21
21
21
21
20
19
17
16
16
15
15

Feels Like (°C)

9
9
7
7
7
7
8
10
12
14
15
16
17
18
19
19
19
20
17
15
15
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

69
70
70
71
72
72
68
62
53
49
46
43
39
38
37
38
40
50
53
56
58
59
59
59

Pressure (mb)

1028
1027
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022
1022
1021
1021
1021
1021
1020
1020
1020

Ozone (du)

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

Tuesday 8

Waning Crescent 10%

02:25

18:24

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

Sun - Rise: 06:21, Set: 19:25, Transit: 12:53. Moon - Rise: 02:25, Set: 18:24. Civil Dark: 19:58 - 05:48. Nautical Dark: 20:38 - 05:08. Astro Dark: 21:21 - 04:25

Total Clouds (% Sky Obscured)

40
46
42
38
46
39
30
59
22
46
40
64
31
49
55
85
70
80
98
99
92
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
23
18
22
17
5
6
4
0
6
15
23
31
21
10
0
7
12
19
23
27

Medium Clouds (% Sky Obscured)

40
46
34
37
37
28
6
3
2
40
34
45
17
16
14
10
12
16
17
21
25
26
29
32

High Clouds (% Sky Obscured)

2
0
31
15
21
5
6
52
13
4
6
26
8
31
42
81
66
76
96
97
92
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
6
1
0
0
0
0
0
0
0
1
2
3
5
5
2
2
2
0
10
18

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
2
1
2
1
2
2
2
4
7
8
8
8
8
7
8
5
3
3
2
2
3
3

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
16
18
20
21
22
24
25
25
26
26
24
22
21
19
18
17
17

Feels Like (°C)

14
14
15
15
15
15
15
17
18
20
21
22
23
25
25
26
25
26
23
20
19
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

60
61
63
64
67
69
70
64
58
56
56
54
51
49
48
45
42
49
59
61
63
63
65
65

Pressure (mb)

1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1016
1016
1015
1014
1013
1013
1012
1012
1012
1012
1012
1011
1011

Ozone (du)

294
295
297
297
295
293
291
289
288
288
288
287
288
288
288
288
288
287
287
287
288
289
289
290

Wednesday 9

Waning Crescent 4%

03:53

18:42

01 Bad
02 Bad
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

Sun - Rise: 06:23, Set: 19:23, Transit: 12:53. Moon - Rise: 03:53, Set: 18:42. Civil Dark: 19:56 - 05:50. Nautical Dark: 20:36 - 05:10. Astro Dark: 21:19 - 04:27

Total Clouds (% Sky Obscured)

100
100
92
95
100
70
71
70
73
100
100
99
100
96
86
98
100
100
100
100
100
100
98
95

Low Clouds (% Sky Obscured)

32
43
53
62
66
70
70
68
59
55
57
50
47
53
50
54
49
38
31
50
58
70
72
75

Medium Clouds (% Sky Obscured)

35
42
48
55
60
61
68
67
73
99
100
95
97
95
85
59
64
86
100
83
67
50
55
55

High Clouds (% Sky Obscured)

100
100
92
95
79
35
13
26
41
52
54
80
100
56
58
98
100
100
100
100
100
79
86
72

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

17
42
60
71
85
84
95
91
95
95
95
95
95
91
63
31
40
41
41
37
28
40
72
95

Precipitation Amount (mm)

0
0
0
0.2
0.5
0.5
0.8
0.5
0.6
0.8
0.8
0.9
0.8
0.6
0.3
0
0
0
0
0
0
0
0.3
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
17
17
16
16
17
18
19
19
19
19
20
20
19
18
17
15
15
14
14
13
13

Feels Like (°C)

16
16
16
17
17
16
19
20
20
20
19
19
19
20
20
19
17
15
12
12
11
11
11
12

Dew Point (°C)

11
11
11
11
11
11
11
11
9
10
11
11
11
10
11
11
12
13
11
11
11
11
11
11

Relative Humidity (%)

69
71
69
69
71
71
71
64
55
54
58
61
56
55
55
57
68
77
75
78
80
84
90
92

Pressure (mb)

1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1013

Ozone (du)

290
290
290
290
290
291
291
293
296
295
296
296
295
295
295
294
295
294
292
292
292
292
290
290

Thursday 10

Waning Crescent 1%

05:18

18:58

01 Bad
02 Bad
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

Sun - Rise: 06:24, Set: 19:21, Transit: 12:52. Moon - Rise: 05:18, Set: 18:58. Civil Dark: 19:54 - 05:51. Nautical Dark: 20:34 - 05:11. Astro Dark: 21:16 - 04:29

Total Clouds (% Sky Obscured)

93
91
90
90
89
89
90
100
100
100
100
100
100
99
98
98
90
84
75
65
55
40
38
42

Low Clouds (% Sky Obscured)

78
81
83
85
86
88
90
56
54
56
63
69
75
74
73
72
65
57
55
55
55
40
38
42

Medium Clouds (% Sky Obscured)

60
53
50
51
44
39
40
59
55
55
55
50
45
53
61
69
71
73
75
65
55
40
37
40

High Clouds (% Sky Obscured)

58
51
40
35
36
40
45
100
100
100
100
100
100
94
87
81
59
37
20
25
30
30
30
30

ISS Passover

Visibility (miles)

3
1
6
3
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7

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

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

Precipitation Probability (%)

95
95
94
95
49
4
7
28
36
42
65
75
67
47
32
13
24
28
26
49
59
58
62
62

Precipitation Amount (mm)

4.3
1.9
0.4
1.8
0.3
0
0
0
0
0
0.4
0.5
0.3
0
0
0
0
0
0
0.2
0.4
0.3
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
11
11
11
11
12
12
13
14
14
14
15
15
15
15
14
14
13
12
11
10
10

Feels Like (°C)

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

Dew Point (°C)

11
11
11
10
10
10
10
10
11
11
12
12
13
13
13
13
13
12
12
12
11
10
9
9

Relative Humidity (%)

95
96
95
93
93
91
90
90
90
89
89
89
89
90
90
89
87
89
90
93
92
93
93
93

Pressure (mb)

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

Ozone (du)

290
290
293
294
295
297
297
298
299
299
300
302
305
307
307
307
307
306
306
305
306
306
306
306

Friday 11

New Moon 0%

06:40

19:11

01 Bad
02 Bad
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

Sun - Rise: 06:26, Set: 19:18, Transit: 12:52. Moon - Rise: 06:40, Set: 19:11. Civil Dark: 19:51 - 05:53. Nautical Dark: 20:31 - 05:13. Astro Dark: 21:13 - 04:31

Total Clouds (% Sky Obscured)

41
38
34
40
56
67
76
67
56
40
57
77
100
99
97
97
98
98
99
98
98
97
97
99

Low Clouds (% Sky Obscured)

41
38
34
35
25
15
15
15
15
30
40
57
75
78
77
71
60
53
46
43
43
45
55
66

Medium Clouds (% Sky Obscured)

41
38
34
40
56
67
76
67
56
40
52
52
56
66
79
90
90
91
92
93
93
94
89
88

High Clouds (% Sky Obscured)

30
30
30
40
56
67
76
67
56
40
57
77
100
90
82
77
71
68
65
70
65
60
55
50

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
8
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 (%)

51
37
25
14
15
15
13
30
34
29
18
11
6
14
15
9
13
10
6
13
9
5
23
23

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)

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

Chance of Frost

Temperature (°C)

10
9
9
9
9
10
10
10
11
12
13
14
15
15
15
15
15
15
14
13
13
13
13
12

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
9
9
9
10
11
11
11
12
12
12
11
11
11
11
11
11
10
10
10

Relative Humidity (%)

93
95
95
95
95
93
91
90
90
89
89
84
82
79
78
77
77
79
82
83
84
83
84
84

Pressure (mb)

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

Ozone (du)

305
305
305
304
304
305
306
307
307
308
308
308
309
309
309
308
308
308
307
307
306
305
305
305

Saturday 12

Waxing Crescent 2%

07:59

19:24

Sun - Rise: 06:27, Set: 19:16, Transit: 12:52. Moon - Rise: 07:59, Set: 19:24. Civil Dark: 19:49 - 05:54. Nautical Dark: 20:29 - 05:15. Astro Dark: 21:11 - 04:33

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

Generated: 06/09/26 01:11:53. Forecast: 06/09/26 to 12/09/26. Timezone: UTC+2.00