Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 7

Waning Crescent 6%

04:20

17:18

20 Good
21 Good
22 Good
23 Bad
00 Bad
01 Bad
02 OK
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

Sun - Rise: 07:08, Set: 18:18, Transit: 12:43. Moon - Rise: 04:20, Set: 17:18. Civil Dark: 18:51 - 06:35. Nautical Dark: 19:29 - 05:57. Astro Dark: 20:09 - 05:19

Total Clouds (% Sky Obscured)

9
7
4
50
100
90
39
86
100
99
100
92
100
100
76
83
87
86
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
1
2
2
25
37
68
78

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
5
3
6
33
70
65
98
100
72
80
56
16
94
100
94
96
99
100

High Clouds (% Sky Obscured)

0
0
4
50
100
90
32
86
100
98
100
75
57
55
26
40
60
79
88
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
7
2

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
0
4
43
95
95

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
2
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
12
12
11
11
11
11
10
10
10
10
11
12
14
16
17
18
19
20
19
19
17
15

Feels Like (°C)

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

Dew Point (°C)

4
5
6
6
6
6
6
6
7
7
7
7
7
7
7
8
8
8
9
9
8
9
10
14

Relative Humidity (%)

59
63
67
70
70
70
71
73
77
77
77
78
78
70
63
59
55
51
49
49
48
52
65
95

Pressure (mb)

1011
1011
1011
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1005
1006
1006
1007

Ozone (du)

303
300
298
296
293
292
291
290
290
291
291
292
292
294
295
296
296
296
296
298
299
298
298
300

Thursday 8

Waning Crescent 2%

05:38

17:31

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 07:09, Set: 18:16, Transit: 12:43. Moon - Rise: 05:38, Set: 17:31. Civil Dark: 18:49 - 06:37. Nautical Dark: 19:27 - 05:59. Astro Dark: 20:07 - 05:21

Total Clouds (% Sky Obscured)

100
100
98
100
100
78
73
84
57
33
40
49
49
80
78
92
81
90
93
89
93
89
99
100

Low Clouds (% Sky Obscured)

87
93
95
79
25
12
14
57
56
20
27
28
36
47
46
44
42
37
29
24
21
5
21
54

Medium Clouds (% Sky Obscured)

100
100
92
97
60
60
26
53
0
0
0
0
0
0
0
0
3
12
17
43
68
89
96
95

High Clouds (% Sky Obscured)

98
92
47
57
98
32
37
2
0
0
0
0
18
73
28
75
44
56
80
67
74
52
89
99

ISS Passover

Visibility (miles)

3
6
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

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 (%)

94
76
61
42
27
5
1
1
0
1
0
0
0
0
0
3
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.8
0.3
0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
11
9
7
6
5
5
5
5
5
5
5
5
5
5
5
6
6
7
7
7
7
7

Dew Point (°C)

14
12
11
9
8
7
6
5
4
4
4
5
5
5
4
4
3
2
1
1
1
1
1
1

Relative Humidity (%)

95
90
86
84
85
84
87
87
77
82
88
94
94
85
75
68
60
51
49
47
46
48
50
52

Pressure (mb)

1008
1009
1010
1012
1013
1014
1015
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1018
1018
1017
1016
1016
1016
1016

Ozone (du)

305
305
303
304
303
299
305
311
313
313
312
308
305
303
301
300
297
296
294
293
293
290
287
285

Friday 9

Waning Crescent 0%

06:55

17:45

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

Sun - Rise: 07:11, Set: 18:14, Transit: 12:42. Moon - Rise: 06:55, Set: 17:45. Civil Dark: 18:47 - 06:38. Nautical Dark: 19:25 - 06:00. Astro Dark: 20:05 - 05:22

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
99
84

Low Clouds (% Sky Obscured)

98
100
92
100
90
93
91
91
93
93
94
95
95
97
94
91
93
92
91
91
92
80
97
74

Medium Clouds (% Sky Obscured)

91
97
100
100
100
100
100
100
93
100
100
100
91
60
65
89
67
67
94
82
62
56
53
43

High Clouds (% Sky Obscured)

79
89
100
100
100
100
100
100
69
88
85
55
55
55
41
68
75
70
65
65
53
38
26
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
4
2
0
0
2
4
4
2
4
4
7
9
9
7
9
8

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

Precipitation Probability (%)

1
4
14
17
29
29
23
30
62
82
58
45
45
64
64
64
65
75
53
56
65
55
41
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.5
0.2
0
0
0.3
0.2
0.2
0.3
0.6
0.2
0.3
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
10
10
10
10
10
11
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
53
57
63
73
82
87
90
93
96
96
98
96
95
95
95
95
95
93
91
88
87
87
91

Pressure (mb)

1016
1016
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012

Ozone (du)

285
284
284
282
281
280
278
278
278
277
276
276
277
277
277
276
277
278
279
280
283
285
289
291

Saturday 10

New Moon 1%

08:12

18:00

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

Sun - Rise: 07:12, Set: 18:12, Transit: 12:42. Moon - Rise: 08:12, Set: 18:00. Civil Dark: 18:45 - 06:40. Nautical Dark: 19:22 - 06:02. Astro Dark: 20:03 - 05:24

Total Clouds (% Sky Obscured)

79
91
86
90
90
93
98
99
100
98
93
90
92
91
94
82
74
64
68
75
79
73
65
47

Low Clouds (% Sky Obscured)

73
89
86
90
82
79
91
93
96
95
89
90
89
83
81
73
67
62
57
52
41
39
35
33

Medium Clouds (% Sky Obscured)

26
16
17
24
12
17
26
36
41
30
15
0
0
0
0
1
2
0
33
47
71
68
63
42

High Clouds (% Sky Obscured)

14
40
10
26
41
53
55
64
75
55
33
14
29
43
57
33
16
0
0
0
2
2
17
1

ISS Passover

Visibility (miles)

9
9
7
5
2
0
0
3
9
9
9
9
8
9
9
8
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
39
34
35
36
40
27
24
21
37
54
62
51
38
28
21
22
12
19
27
17
7
15
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
96
98
98
98
96
93
93
90
93
95
91
80
76
65
64
55
54
61
58
61
67

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1011
1011
1011
1012

Ozone (du)

292
293
295
298
299
300
301
303
305
307
308
309
311
313
313
313
313
313
313
314
315
317
317
318

Sunday 11

Waxing Crescent 4%

09:29

18:19

20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
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

Sun - Rise: 07:14, Set: 18:10, Transit: 12:42. Moon - Rise: 09:29, Set: 18:19. Civil Dark: 18:43 - 06:41. Nautical Dark: 19:20 - 06:04. Astro Dark: 19:58 - 05:26

Total Clouds (% Sky Obscured)

28
30
35
35
35
35
45
59
74
74
75
74
68
60
51
59
68
76
81
86
91
75
61
45

Low Clouds (% Sky Obscured)

28
30
32
34
32
35
41
48
56
58
61
61
57
48
40
37
37
36
51
65
79
68
56
43

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
4
7
10
7
5
0
8
3
1
20
39
57
49
44
37
25
13
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
0
1
2
4
9
11
15
14
11
5
4
2
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 (%)

7
7
6
10
7
3
8
8
8
15
13
7
10
11
8
17
26
27
42
46
45
32
24
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
5
5
4
3
3
3
3
3
3
3
4
4
4
5
5
6
6
10
10
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

73
78
79
82
83
86
91
93
94
94
96
96
94
86
77
70
61
55
50
51
54
56
58
62

Pressure (mb)

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

Ozone (du)

320
320
320
321
321
321
320
319
320
321
321
321
322
321
320
319
319
319
320
319
319
318
320
322

Monday 12

Waxing Crescent 9%

10:44

18:43

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

Sun - Rise: 07:16, Set: 18:08, Transit: 12:42. Moon - Rise: 10:44, Set: 18:43. Civil Dark: 18:41 - 06:43. Nautical Dark: 19:18 - 06:05. Astro Dark: 19:56 - 05:27

Total Clouds (% Sky Obscured)

57
71
86
74
63
50
42
35
29
25
23
24
25
21
14
37
60
86
77
68
60
66
76
89

Low Clouds (% Sky Obscured)

52
63
75
69
61
50
42
35
29
25
23
24
24
13
2
15
29
43
48
54
59
48
38
28

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
9
14
36
58
69
37
17
1
23
49
81

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 (%)

7
5
0
3
4
1
3
5
0
1
0
0
0
1
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
2
2
2
2
3
2
2
2
1
2
3
4
4
5
5
5
5
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
6
6
5
6
6
6
3
4
4
3
3
3
5
6
7
8
9
10
12
11
11
11
11

Dew Point (°C)

2
2
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
3
3
3
3
3

Relative Humidity (%)

65
65
64
64
67
72
76
79
80
83
83
83
85
74
64
56
54
52
49
50
51
52
57
63

Pressure (mb)

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

Ozone (du)

324
326
327
329
326
323
320
319
317
316
315
313
312
310
308
306
303
301
298
295
291
287
285
284

Tuesday 13

Waxing Crescent 15%

11:56

19:14

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:17, Set: 18:06, Transit: 12:41. Moon - Rise: 11:56, Set: 19:14. Civil Dark: 18:39 - 06:44. Nautical Dark: 19:16 - 06:07. Astro Dark: 19:54 - 05:29

Total Clouds (% Sky Obscured)

80
74
68
66
65
68
84
93
100
99
97
94
80
65
51
66
82
98

Low Clouds (% Sky Obscured)

22
13
2
2
1
1
1
1
0
31
61
89
78
65
51
64
79
94

Medium Clouds (% Sky Obscured)

17
26
37
46
52
53
46
39
31
45
57
70
58
45
32
42
52
66

High Clouds (% Sky Obscured)

60
38
19
25
38
50
70
88
100
68
37
5
4
2
1
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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
14
18
18
21
27
30
30
24
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
6
6
7
7
7
6
4
4
4
4
3
3
4
5
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

71
73
75
76
76
78
78
79
81
82
82
83
82
84
84
84
81
80

Pressure (mb)

1028
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1028
1028

Ozone (du)

282
281
280
280
280
279
279
282
285
288
292
295
299
301
303
305
307
309

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

Generated: 07/10/26 20:22:10. Forecast: 07/10/26 to 13/10/26. Timezone: UTC+2.00