Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 42%

12:45

23:13

03 OK
04 OK
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 OK
00 OK
01 OK
02 Bad

Sun - Rise: 05:08, Set: 20:56, Transit: 13:02. Moon - Rise: 12:45, Set: 23:13. Civil Dark: 21:38 - 04:26. Nautical Dark: 22:36 - 03:28. Astro Dark: 00:08 - 02:01

Total Clouds (% Sky Obscured)

31
27
31
84
89
58
58
85
79
81
100
97
85
89
100
95
91
71
71
75
36
33
28
71

Low Clouds (% Sky Obscured)

28
27
31
50
67
51
42
53
79
53
84
38
35
21
2
5
1
2
5
7
13
24
27
25

Medium Clouds (% Sky Obscured)

0
10
11
14
20
19
0
39
52
45
60
57
44
63
52
54
71
68
65
71
27
20
3
37

High Clouds (% Sky Obscured)

6
0
28
40
27
5
21
32
5
0
2
6
40
53
100
89
83
55
65
0
0
0
3
26

ISS Passover

Visibility (miles)

9
9
8
5
8
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 (%)

3
0
0
0
0
0
3
4
14
10
1
2
3
2
2
1
0
0
1
3
0
1
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
2
2
2
2
6
9
11
13
12
12
12
11
12
11
11
9
7
5
4
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
9
8
9
11
12
12
12
13
13
13
14
14
14
15
14
13
13
12
11
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

95
96
98
96
93
81
64
54
51
55
51
52
55
53
54
55
62
69
76
81
90
93
93
95

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020

Ozone (du)

366
364
361
360
361
364
366
366
362
361
360
358
356
356
356
357
357
359
360
364
371
367
363
359

Tuesday 21

First Quarter 53%

13:59

23:28

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 OK
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:09, Set: 20:55, Transit: 13:02. Moon - Rise: 13:59, Set: 23:28. Civil Dark: 21:37 - 04:28. Nautical Dark: 22:34 - 03:30. Astro Dark: 00:03 - 02:06

Total Clouds (% Sky Obscured)

71
55
58
72
70
85
85
83
84
100
100
95
84
93
89
60
55
70
79
63
47
75
77
50

Low Clouds (% Sky Obscured)

30
20
19
26
27
45
63
65
74
74
66
72
60
67
60
29
21
22
25
16
6
15
15
9

Medium Clouds (% Sky Obscured)

26
31
33
19
17
20
25
49
45
56
54
49
40
59
51
25
20
40
54
28
15
43
42
19

High Clouds (% Sky Obscured)

32
9
36
57
58
73
19
9
2
11
19
16
1
1
2
0
0
0
2
4
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
7
7
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 (%)

1
4
0
0
0
0
0
1
4
1
2
4
12
7
2
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
2
2
3
5
5
5
7
7
7
6
6
7
8
8
6
3
3
3
3
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
96
87
75
59
48
44
44
50
56
52
48
52
54
55
63
64
63
70
72
65
62

Pressure (mb)

1020
1020
1020
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1021

Ozone (du)

357
356
354
353
354
353
353
354
356
356
359
362
364
366
367
369
370
365
361
361
360
358
358
356

Wednesday 22

Waxing Gibbous 62%

15:13

23:47

03 Good
04 Good
05 Good
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

Sun - Rise: 05:10, Set: 20:54, Transit: 13:02. Moon - Rise: 15:13, Set: 23:47. Civil Dark: 21:35 - 04:29. Nautical Dark: 22:32 - 03:32. Astro Dark: 23:58 - 02:10

Total Clouds (% Sky Obscured)

0
7
13
31
99
66
68
89
90
100
100
99
99
97
90
94
95
88
81
77
84
90
97
91

Low Clouds (% Sky Obscured)

0
1
3
1
20
10
1
44
24
22
4
9
32
29
28
42
22
33
30
34
39
39
52
43

Medium Clouds (% Sky Obscured)

0
0
0
0
16
6
12
14
56
55
77
56
57
81
83
88
69
71
66
58
51
54
87
79

High Clouds (% Sky Obscured)

0
2
2
21
82
60
61
70
73
100
100
81
48
30
30
30
30
35
35
30
30
30
40
24

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
1
1
1
7
15
19
26
16
15
11
16
19
21
24

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
2
2
2
1
3
4
7
9
11
11
11
10
10
10
8
9
6
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
77
81
78
72
70
61
54
48
44
41
42
46
53
50
54
62
71
73
78
83
90
93
95

Pressure (mb)

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

Ozone (du)

353
348
344
343
343
343
343
345
344
343
342
341
342
341
341
342
343
345
347
349
351
354
358
359

Thursday 23

Waxing Gibbous 72%

16:25

00:11

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
01 Bad
02 Bad

Sun - Rise: 05:12, Set: 20:53, Transit: 13:02. Moon - Rise: 16:25, Set: 00:11. Civil Dark: 21:34 - 04:31. Nautical Dark: 22:30 - 03:34. Astro Dark: 23:54 - 02:15

Total Clouds (% Sky Obscured)

84
51
69
65
69
78
69
67
63
67
67
80
86
91
93
91
92
67
77
77
83
82
93
75

Low Clouds (% Sky Obscured)

65
51
64
58
59
74
66
67
47
38
11
31
46
63
57
56
57
56
56
52
47
53
68
68

Medium Clouds (% Sky Obscured)

11
3
7
15
23
66
29
44
13
23
35
40
47
52
66
62
61
67
66
67
73
76
78
53

High Clouds (% Sky Obscured)

24
2
0
0
0
0
0
0
0
0
0
5
10
14
29
27
25
3
2
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
9
7
9
7
8
6
8
9
5
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
11
24
17
29
36
44
35
35
38
51
49
48
47
44
42
41
49
51
46
46
40
26
30

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
6
7
9
10
12
12
12
12
13
12
11
12
11
10
7
5
5
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
96
95
90
79
89
82
86
79
68
61
63
57
61
59
64
71
83
86
88
90
91
88

Pressure (mb)

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

Ozone (du)

362
365
369
371
372
372
373
372
373
374
374
373
373
373
371
370
371
371
372
372
373
375
375
370

Friday 24

Waxing Gibbous 80%

17:34

00:44

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

Sun - Rise: 05:13, Set: 20:51, Transit: 13:02. Moon - Rise: 17:34, Set: 00:44. Civil Dark: 21:32 - 04:32. Nautical Dark: 22:28 - 03:37. Astro Dark: 23:50 - 02:19

Total Clouds (% Sky Obscured)

37
2
7
11
17
18
45
75
66
73
98
92
85
87
83
72
60
50
42
33
63
81
100
100

Low Clouds (% Sky Obscured)

31
1
0
0
0
16
31
57
59
62
75
61
53
44
47
46
45
30
15
0
3
0
0
0

Medium Clouds (% Sky Obscured)

27
0
7
11
17
18
33
44
48
53
57
51
48
42
34
24
16
14
12
10
15
18
22
29

High Clouds (% Sky Obscured)

0
0
3
5
9
7
24
34
4
6
0
0
1
1
1
0
0
16
32
33
63
81
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 (%)

24
10
9
7
2
19
19
16
21
20
7
16
14
7
8
7
1
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)

3
3
4
2
2
3
3
4
6
7
7
8
7
7
7
5
4
3
2
2
3
2
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
90
91
88
77
65
54
44
40
38
39
44
47
50
54
57
60
64
67
72
79
80
81
83

Pressure (mb)

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

Ozone (du)

361
354
349
349
348
346
345
347
349
349
351
351
351
351
351
349
347
345
343
341
340
340
340
339

Saturday 25

Waxing Gibbous 87%

18:35

01:27

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
01 Bad
02 Bad

Sun - Rise: 05:14, Set: 20:50, Transit: 13:02. Moon - Rise: 18:35, Set: 01:27. Civil Dark: 21:31 - 04:34. Nautical Dark: 22:26 - 03:39. Astro Dark: 23:45 - 02:23

Total Clouds (% Sky Obscured)

100
100
94
89
83
77
73
71
69
70
69
71
72
70
61
54
49
66
85
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
2
4
9
15
16
13
12
11
10
10
10
13
14
21
29
44
65
63
54
41
58

Medium Clouds (% Sky Obscured)

24
22
19
15
19
18
28
31
27
24
23
27
32
34
42
50
49
64
76
94
95
96
97
96

High Clouds (% Sky Obscured)

100
100
75
50
32
47
60
69
53
50
52
58
59
65
60
54
49
66
85
94
97
98
100
96

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
1
0
1
1
0
0
0
0
0
0
0
0
0
0
3
4
2
9
11
11
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)

1
2
2
2
2
3
4
6
7
8
9
10
10
10
10
7
5
3
2
2
3
2
2
3

Chance of Frost

Temperature (°C)

11
11
11
12
13
15
16
18
20
21
22
24
24
24
24
23
22
20
20
19
18
18
17
16

Feels Like (°C)

11
11
11
10
10
10
16
16
16
17
17
18
24
23
21
22
22
23
18
19
19
19
19
18

Dew Point (°C)

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

Relative Humidity (%)

84
85
87
79
71
66
60
54
49
45
41
37
37
37
36
42
47
53
54
53
53
57
61
64

Pressure (mb)

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

Ozone (du)

339
338
337
337
337
337
337
337
337
337
338
338
338
338
339
338
338
338
339
340
342
345
348
351

Sunday 26

Waxing Gibbous 93%

19:26

02:22

Sun - Rise: 05:16, Set: 20:49, Transit: 13:02. Moon - Rise: 19:26, Set: 02:22. Civil Dark: 21:29 - 04:35. Nautical Dark: 22:24 - 03:41. Astro Dark: 23:41 - 02:27

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: 20/07/26 03:22:05. Forecast: 20/07/26 to 26/07/26. Timezone: UTC+2.00