Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waxing Gibbous 91%

18:36

02:10

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

Sun - Rise: 04:46, Set: 21:12, Transit: 12:59. Moon - Rise: 18:36, Set: 02:10. Civil Dark: 21:57 - 04:01. Nautical Dark: 23:04 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

23
28
35
37
38
27
11
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
3

Low Clouds (% Sky Obscured)

23
28
35
37
34
21
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

23
18
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

29
30
30
31
31
31
30
29
26
24
23
22
21
20
19
18
18
18
19
21
24
26
28
29

Feels Like (°C)

33
34
34
33
33
32
33
32
29
27
26
25
24
23
22
22
22
21
23
25
29
30
31
32

Dew Point (°C)

18
18
18
20
19
19
21
22
22
21
19
18
17
16
15
14
14
15
16
16
18
19
19
20

Relative Humidity (%)

51
50
47
51
49
51
56
65
76
80
80
81
81
80
80
78
79
82
82
75
69
63
60
57

Pressure (mb)

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

Ozone (du)

320
321
323
325
327
327
326
326
325
324
325
326
327
327
325
324
324
325
324
323
321
321
322
320

Saturday 27

Waxing Gibbous 96%

19:43

02:46

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

Sun - Rise: 04:47, Set: 21:11, Transit: 12:59. Moon - Rise: 19:43, Set: 02:46. Civil Dark: 21:57 - 04:01. Nautical Dark: 23:04 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

37
59
60
47
16
9
3
19
37
7
4
1
1
0
0
40
50
55
60
60
8
7
8
10

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
1
0
0
0
0

High Clouds (% Sky Obscured)

32
49
60
47
16
8
3
17
35
7
4
1
1
0
0
25
30
45
50
56
7
7
7
9

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)

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

Chance of Frost

Temperature (°C)

30
32
32
33
33
33
33
32
29
27
25
23
23
23
23
22
22
22
22
24
27
29
30
31

Feels Like (°C)

34
35
36
36
36
34
35
37
35
31
28
27
27
26
25
25
24
23
25
26
29
34
34
35

Dew Point (°C)

20
21
21
21
21
21
21
23
22
20
18
18
17
17
17
17
17
17
17
18
19
20
19
19

Relative Humidity (%)

54
52
51
50
49
48
51
59
66
66
68
70
71
71
72
73
73
74
74
69
63
57
52
48

Pressure (mb)

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

Ozone (du)

318
317
316
316
315
314
313
312
310
310
311
312
314
316
317
316
316
313
312
312
311
310
309
308

Sunday 28

Waxing Gibbous 99%

20:41

03:33

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

Sun - Rise: 04:47, Set: 21:11, Transit: 12:59. Moon - Rise: 20:41, Set: 03:33. Civil Dark: 21:56 - 04:02. Nautical Dark: 23:04 - 02:55. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

10
1
0
4
53
50
46
3
0
34
44
83
7
45
31
45
43
20
56
31
35
43
42
45

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
15
23
18
0
0
23
29
33
14
30
26
34
38
41
30

High Clouds (% Sky Obscured)

10
1
0
2
33
35
32
1
0
20
39
68
6
43
20
45
43
5
56
12
26
43
42
45

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
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
1
11
14
7
24
42
39
19
35
9
22
28
31
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

32
33
34
34
35
35
34
33
31
29
26
25
23
22
22
22
21
21
21
23
26
27
28
29

Feels Like (°C)

35
36
36
37
37
38
38
38
36
32
29
28
27
27
27
26
25
25
25
27
30
29
28
29

Dew Point (°C)

19
19
19
19
19
20
21
23
23
21
18
17
17
17
16
16
16
16
18
20
21
20
19
19

Relative Humidity (%)

45
43
42
40
39
41
46
56
61
61
61
62
69
72
70
69
71
76
81
81
75
66
59
53

Pressure (mb)

1019
1018
1018
1018
1017
1017
1016
1017
1017
1017
1018
1018
1019
1019
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

309
308
307
306
306
307
306
309
308
308
309
308
307
306
309
309
311
312
312
312
313
314
314
315

Monday 29

Waxing Gibbous 100%

21:28

04:32

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
11 Bad

Sun - Rise: 04:48, Set: 21:11, Transit: 12:59. Moon - Rise: 21:28, Set: 04:32. Civil Dark: 21:56 - 04:03. Nautical Dark: 23:03 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

44
55
73
100
91
92
100
100
100
100
100
100
100
100
100
100
100
79
63
76
72
73
91
100

Low Clouds (% Sky Obscured)

0
4
20
34
35
35
10
12
15
23
41
38
62
66
65
73
82
63
56
47
49
46
45
41

Medium Clouds (% Sky Obscured)

21
14
12
12
10
18
35
54
52
57
52
100
100
100
99
98
96
51
29
55
49
53
76
76

High Clouds (% Sky Obscured)

44
55
57
67
67
71
100
100
100
100
100
100
100
100
100
100
100
46
24
3
25
52
89
100

ISS Passover

Visibility (miles)

9
9
9
9
9
7
9
6
9
9
2
9
2
4
5
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
Light Rain
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Light Rain

Precipitation Probability (%)

37
44
73
76
95
95
89
68
41
95
95
95
95
95
95
95
95
95
61
43
35
40
55
66

Precipitation Amount (mm)

0
0
0.4
0
0.5
0.5
0.3
0.2
0
0.7
0.7
1.4
1.4
1.2
1.8
2
1.1
0.9
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

29
30
30
29
28
27
26
25
24
23
22
21
21
20
20
20
20
20
20
21
21
22
23
24

Feels Like (°C)

29
30
30
20
24
27
25
26
26
25
25
23
23
23
22
20
19
18
19
20
21
21
22
22

Dew Point (°C)

18
17
18
18
19
19
19
19
19
19
19
18
18
18
18
18
18
18
18
18
18
18
18
18

Relative Humidity (%)

49
46
47
51
59
60
64
69
72
78
83
83
84
86
89
86
85
86
88
84
84
79
72
70

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

313
314
315
316
317
317
316
314
313
311
312
310
312
312
313
314
317
319
320
319
319
320
320
321

Tuesday 30

Full Moon 99%

22:04

05:39

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
11 Bad

Sun - Rise: 04:49, Set: 21:11, Transit: 12:59. Moon - Rise: 22:04, Set: 05:39. Civil Dark: 21:56 - 04:04. Nautical Dark: 23:03 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
100
100
92
92
89
100
100
47
67
92
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

56
72
64
49
56
42
44
33
29
36
36
61
75
87
88
91
93
92
92
92
87
83
90
93

Medium Clouds (% Sky Obscured)

72
66
69
73
76
58
56
9
15
31
50
90
95
100
91
82
74
54
36
21
34
50
67
68

High Clouds (% Sky Obscured)

91
99
100
87
61
58
99
99
47
49
81
100
100
100
100
100
100
100
100
100
100
100
100
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
1
9
7
2
4
2
4
1
4
6
7
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
Light Rain
Light Rain
Very Light Rain
None
Light Rain
Moderate Rain
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

74
75
72
53
44
95
95
58
55
68
78
95
88
95
95
95
95
95
95
53
63
74
71
78

Precipitation Amount (mm)

0.5
0.6
0.6
0.2
0
1.5
3.4
0
0
0.3
0.4
0.5
0.3
1.1
1.5
1
0.8
1
0.7
0
0.2
0.4
0.2
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
24
24
24
24
24
22
21
20
19
19
18
18
18
18
18
18
18
18
18
17
18
18
18

Feels Like (°C)

24
24
24
25
25
25
26
24
23
23
22
22
21
21
20
19
20
20
21
21
21
23
23
23

Dew Point (°C)

18
18
19
19
19
20
22
22
21
20
19
19
18
18
18
18
18
18
19
20
20
21
21
21

Relative Humidity (%)

68
67
72
71
71
78
96
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100

Pressure (mb)

1020
1019
1019
1018
1018
1017
1016
1017
1017
1017
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1017

Ozone (du)

322
323
323
324
323
321
313
319
323
325
320
317
318
317
320
321
322
323
322
321
320
321
321
321

Wednesday 1

Waning Gibbous 96%

22:31

06:52

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 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 Bad

Sun - Rise: 04:49, Set: 21:11, Transit: 13:00. Moon - Rise: 22:31, Set: 06:52. Civil Dark: 21:56 - 04:04. Nautical Dark: 23:02 - 02:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
84
72
63
61
63
61
50
36
17
16
20
27
22
32
42
57

Low Clouds (% Sky Obscured)

100
100
100
100
100
98
93
87
57
30
8
9
12
15
16
19
17
16
17
10
15
19
23
33

Medium Clouds (% Sky Obscured)

65
61
56
41
29
24
19
24
22
31
31
34
40
52
38
28
17
11
6
0
10
20
31
43

High Clouds (% Sky Obscured)

96
94
93
95
95
92
88
79
76
69
61
41
38
46
32
14
4
7
10
9
0
0
0
0

ISS Passover

Visibility (miles)

7
5
2
4
5
7
7
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

Light Rain
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

Precipitation Probability (%)

81
74
64
58
42
40
43
47
35
28
16
10
4
0
2
2
0
0
1
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.4
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
17
17
17
16
16
15
15
14
13
12
12
12
12
12
11
11
13
14
15
17
18
20

Feels Like (°C)

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

Dew Point (°C)

21
20
19
18
18
17
15
14
13
13
13
12
12
11
11
11
11
10
11
11
11
12
12
12

Relative Humidity (%)

100
100
100
100
100
100
96
89
85
89
95
98
98
96
96
95
95
95
89
82
77
71
65
60

Pressure (mb)

1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019

Ozone (du)

321
321
321
319
317
315
315
314
314
318
322
326
326
326
327
326
325
324
325
326
328
328
329
329

Thursday 2

Waning Gibbous 92%

22:51

08:05

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

Sun - Rise: 04:50, Set: 21:10, Transit: 13:00. Moon - Rise: 22:51, Set: 08:05. Civil Dark: 21:55 - 04:05. Nautical Dark: 23:01 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
89
73
57
41
42
43
44
58
71
85
79
72
66
74
81
89
83
77
72

Low Clouds (% Sky Obscured)

43
53
40
28
15
10
5
0
0
0
0
5
9
14
29
44
59
59
59
59

Medium Clouds (% Sky Obscured)

56
69
57
44
32
36
40
44
58
71
85
76
66
56
64
72
80
70
59
49

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
3
3
0

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

20
21
22
22
21
21
20
20
19
18
17
16
16
16
16
15
14
13
15
16

Feels Like (°C)

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

Dew Point (°C)

12
12
12
13
14
14
14
14
14
13
12
11
11
11
11
11
12
13
13
13

Relative Humidity (%)

58
55
53
56
62
66
68
69
72
72
72
72
72
71
70
78
86
95
87
81

Pressure (mb)

1019
1019
1018
1018
1018
1018
1018
1018
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

328
327
327
325
323
321
320
319
317
317
318
318
318
318
319
319
318
318
320
321

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

Generated: 26/06/26 12:37:00. Forecast: 26/06/26 to 02/07/26. Timezone: UTC+2.00