Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

First Quarter 53%

13:59

23:28

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
01 OK
02 OK
03 Bad
04 OK

Sun - Rise: 05:09, Set: 20:55, Transit: 13:02. Moon - Rise: 13:59, Set: 23:28. Civil Dark: 21:37 - 04:29. Nautical Dark: 22:34 - 03:32. Astro Dark: 00:03 - 02:06

Total Clouds (% Sky Obscured)

79
70
61
49
49
61
87
92
90
88
85
92
65
79
74
69
64
55
87
48
28
42
51
40

Low Clouds (% Sky Obscured)

54
52
37
49
49
61
60
82
59
36
25
30
8
14
10
32
15
18
36
9
1
2
2
4

Medium Clouds (% Sky Obscured)

0
0
0
2
1
1
41
39
31
31
38
43
45
67
66
43
50
34
44
38
25
39
35
36

High Clouds (% Sky Obscured)

0
0
5
2
2
2
2
1
0
0
2
2
2
0
0
0
0
0
0
0
1
3
21
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
8
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
7
1
0
9
12
19
16
9
0
0
1
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
5
5
5
5
6
6
7
8
8
8
8
6
4
3
2
2
3
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
10
10
9
8
7
7
6
8
10
11
11
11
12
11
10
9
8
8
8
7
6
6

Relative Humidity (%)

96
95
87
78
66
57
49
45
44
48
55
60
64
65
72
74
75
77
77
76
80
81
80
78

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1020

Ozone (du)

363
362
361
360
359
359
359
359
360
360
360
361
359
359
359
359
359
360
362
363
363
361
360
360

Wednesday 22

Waxing Gibbous 62%

15:13

23:47

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

Sun - Rise: 05:10, Set: 20:54, Transit: 13:02. Moon - Rise: 15:13, Set: 23:47. Civil Dark: 21:35 - 04:31. Nautical Dark: 22:32 - 03:34. Astro Dark: 23:58 - 02:10

Total Clouds (% Sky Obscured)

68
40
41
16
17
36
70
100
99
97
93
85
96
96
90
88
46
92
53
58
59
28
39
80

Low Clouds (% Sky Obscured)

43
28
19
2
7
31
39
91
66
57
39
38
63
57
40
47
30
10
40
22
35
28
29
49

Medium Clouds (% Sky Obscured)

30
20
15
1
1
0
27
45
45
45
50
52
46
68
40
70
46
89
53
41
44
28
39
44

High Clouds (% Sky Obscured)

0
0
3
11
8
9
6
5
18
10
13
3
4
8
8
1
1
5
2
21
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
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
5
1
0
0
0
0
0
1
6
1
1
3
7
5
3
8
16
19
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)

2
2
1
2
4
6
9
10
10
10
9
10
9
7
6
4
4
3
2
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
77
72
68
64
58
55
43
48
48
48
43
46
60
62
66
66
69
82
89
92
90
95
96

Pressure (mb)

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

Ozone (du)

361
357
352
349
347
344
344
344
345
347
347
347
345
346
348
349
352
354
357
359
363
367
372
375

Thursday 23

Waxing Gibbous 72%

16:25

00:11

05 Bad
06 OK
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
03 Bad
04 Bad

Sun - Rise: 05:12, Set: 20:53, Transit: 13:02. Moon - Rise: 16:25, Set: 00:11. Civil Dark: 21:34 - 04:32. Nautical Dark: 22:30 - 03:37. Astro Dark: 23:54 - 02:15

Total Clouds (% Sky Obscured)

50
40
81
98
97
95
95
78
59
56
84
79
32
42
44
47
48
68
52
94
80
50
47
43

Low Clouds (% Sky Obscured)

42
40
62
95
87
85
89
58
51
36
35
44
11
13
6
13
36
39
37
54
61
50
47
43

Medium Clouds (% Sky Obscured)

16
0
0
1
60
23
30
27
19
23
26
26
12
34
44
47
48
48
47
85
62
33
29
26

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
6
8
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 (%)

11
3
7
4
9
8
19
24
21
18
26
31
38
38
27
31
25
29
14
28
19
18
19
13

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)

5
5
9
10
11
10
11
12
12
12
12
12
12
11
9
7
5
4
3
3
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
89
84
74
68
60
69
67
67
60
61
63
67
73
78
86
92
90
92
91
91
93
93

Pressure (mb)

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

Ozone (du)

376
376
378
378
378
378
377
377
377
377
375
372
372
372
372
372
372
373
374
373
372
368
363
357

Friday 24

Waxing Gibbous 80%

17:34

00:44

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 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 OK
01 Good
02 OK
03 OK
04 OK

Sun - Rise: 05:13, Set: 20:51, Transit: 13:02. Moon - Rise: 17:34, Set: 00:44. Civil Dark: 21:32 - 04:34. Nautical Dark: 22:28 - 03:39. Astro Dark: 23:50 - 02:19

Total Clouds (% Sky Obscured)

43
42
42
45
75
75
57
56
62
70
83
80
60
32
10
2
1
1
2
30
16
35
25
20

Low Clouds (% Sky Obscured)

43
42
42
45
42
37
35
27
29
40
60
53
44
32
10
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

18
11
5
10
15
20
20
26
29
32
35
33
22
12
1
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
4
24
30
2
2
1
0
1
1
1
1
1
0
0
1
2
30
15
30
25
20

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 (%)

30
30
19
19
15
9
10
9
6
10
15
2
1
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
3
5
7
9
9
9
9
8
8
8
6
5
3
3
3
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
10
9
7
5
5
5
5
6
7
10
10
10
10
11
10
9
8
7
7
7
7
8

Relative Humidity (%)

93
91
84
71
56
46
41
40
39
41
42
55
55
54
58
65
69
74
75
76
78
81
83
84

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015

Ozone (du)

353
351
349
348
349
350
351
352
352
352
351
350
351
351
351
352
351
345
343
342
341
340
340
340

Saturday 25

Waxing Gibbous 87%

18:35

01:27

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

Sun - Rise: 05:14, Set: 20:50, Transit: 13:02. Moon - Rise: 18:35, Set: 01:27. Civil Dark: 21:31 - 04:35. Nautical Dark: 22:26 - 03:41. Astro Dark: 23:45 - 02:23

Total Clouds (% Sky Obscured)

18
26
30
56
79
100
92
88
87
80
84
83
73
57
42
81
68
52
50
48
50
52
49
46

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
4
7
11
8
4
0
1
1
2
25
13
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
6
12
19
21
24
26
28
31
37
60
43
21
26
45
52
43
36
32
23
11
0

High Clouds (% Sky Obscured)

18
22
21
53
77
99
82
72
72
60
67
65
65
19
42
66
56
50
47
46
44
47
49
46

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

Chance of Frost

Temperature (°C)

10
11
13
15
16
18
20
21
22
23
24
24
24
22
22
20
19
17
15
14
14
13
13
13

Feels Like (°C)

9
11
12
14
15
16
17
18
19
21
21
21
21
21
22
20
19
19
18
17
17
16
14
14

Dew Point (°C)

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

Relative Humidity (%)

85
84
77
69
60
53
49
46
41
38
36
35
37
49
53
57
57
59
60
59
57
55
55
55

Pressure (mb)

1015
1015
1015
1014
1014
1013
1013
1012
1011
1011
1010
1009
1009
1009
1008
1008
1007
1007
1007
1007
1007
1006
1006
1006

Ozone (du)

340
339
340
342
342
342
341
342
341
341
342
342
341
340
341
342
343
344
346
347
349
351
350
348

Sunday 26

Waxing Gibbous 93%

19:26

02:22

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

Sun - Rise: 05:16, Set: 20:49, Transit: 13:02. Moon - Rise: 19:26, Set: 02:22. Civil Dark: 21:29 - 04:37. Nautical Dark: 22:24 - 03:43. Astro Dark: 23:41 - 02:27

Total Clouds (% Sky Obscured)

46
49
49
67
83
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
6
9
13
14
16
20
20
17
14
34
54
73
70
67
65
67
67
67

Medium Clouds (% Sky Obscured)

11
25
37
28
19
9
36
64
91
91
91
91
93
94
96
96
97
98
90
83
78
61
44
26

High Clouds (% Sky Obscured)

39
26
11
43
72
100
100
100
100
95
89
85
90
95
100
100
100
100
97
94
91
89
91
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
4
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
3
7
8
14
16
15
42
64
89
91
88
78
55
38
24
37
39
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.6
0.6
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
5
7
10
8
7
7
7
7
7
9
11
13
12
11
9
8
7
6
6
5

Chance of Frost

Temperature (°C)

13
14
16
18
19
21
23
23
24
25
24
24
24
22
20
18
17
17
16
15
15
14
14
14

Feels Like (°C)

14
13
14
13
19
19
20
19
20
20
24
24
23
24
24
25
15
15
14
14
14
13
11
12

Dew Point (°C)

4
5
6
7
9
10
11
11
11
12
12
12
13
14
16
17
16
15
14
14
14
13
13
13

Relative Humidity (%)

55
53
52
50
49
48
47
45
45
44
45
46
48
60
76
96
93
92
89
90
93
95
95
95

Pressure (mb)

1006
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1005
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008

Ozone (du)

347
346
345
344
344
343
342
342
341
340
340
341
341
339
338
336
338
341
343
345
347
350
353
357

Monday 27

Waxing Gibbous 97%

20:06

03:28

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

Sun - Rise: 05:17, Set: 20:47, Transit: 13:02. Moon - Rise: 20:06, Set: 03:28. Civil Dark: 21:27 - 04:38. Nautical Dark: 22:21 - 03:45. Astro Dark: 23:37 - 02:31

Total Clouds (% Sky Obscured)

99
99
98
98
98
98
95
89
88
89
88
87
71
56
41
33
24
17
29
44
60

Low Clouds (% Sky Obscured)

76
85
92
91
91
95
77
61
43
39
35
32
27
24
20
19
19
17
29
44
56

Medium Clouds (% Sky Obscured)

37
49
64
52
41
34
26
21
13
28
42
57
43
28
14
15
17
17
28
34
43

High Clouds (% Sky Obscured)

59
30
1
1
1
1
15
27
40
43
28
13
11
10
6
5
3
0
10
20
34

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

Fog (%)

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

Precipitation Probability (%)

44
38
33
52
63
68
56
48
34
29
22
3
3
2
0
0
0
0
19
31
38

Precipitation Amount (mm)

0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
6
7
7
8
9
10
11
11
10
10
8
6
5
4
3
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
15
14
15
15
15
15
18
17
15
16
16
16
13
14
14
14
13

Dew Point (°C)

13
13
13
13
13
12
12
11
9
8
8
7
7
8
8
9
9
8
7
8
8

Relative Humidity (%)

95
92
92
90
85
79
74
64
55
48
46
45
44
50
56
63
66
69
71
75
77

Pressure (mb)

1009
1009
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1016
1017
1017
1017

Ozone (du)

361
361
362
363
361
358
356
358
359
361
361
362
363
366
368
370
371
372
373
375
376

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

Generated: 21/07/26 05:56:21. Forecast: 21/07/26 to 27/07/26. Timezone: UTC+2.00