Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

Waxing Gibbous 96%

19:43

02:46

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

5
4
6
31
10
2
2
2
19
35
43
25
5
2
6
55
49
45
11
3
28
40
29
7

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
2
4
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
4
6
19
8
2
2
2
19
35
43
25
5
1
6
53
49
45
11
3
28
40
29
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

35
36
36
34
35
36
37
34
31
29
28
27
27
27
26
26
23
23
26
30
32
31
32
34

Dew Point (°C)

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

Relative Humidity (%)

54
52
50
49
48
54
61
68
68
69
70
71
73
74
74
75
75
73
70
60
58
54
50
49

Pressure (mb)

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

Ozone (du)

322
322
320
319
317
316
315
317
316
318
319
320
320
319
315
313
314
313
313
313
312
312
312
311

Sunday 28

Waxing Gibbous 99%

20:41

03:33

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

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)

4
4
18
7
4
2
0
0
9
35
55
58
54
45
40
50
55
67
73
76
83
81
39
39

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
26
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
7
20
20
17
12
0
0
0
11
20
26
33
47
0
0

High Clouds (% Sky Obscured)

3
3
18
7
4
2
0
0
9
30
25
25
25
25
25
30
45
50
55
60
70
59
38
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
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
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
2
0
0
0
1
3
0
0
0
13
7
1
0
2
63
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
1
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

33
34
35
35
35
34
33
31
28
25
24
22
22
22
22
21
21
21
23
26
28
29
30
28

Feels Like (°C)

36
36
37
37
38
38
39
36
31
27
24
23
23
22
22
22
21
22
24
27
29
29
31
29

Dew Point (°C)

21
20
20
20
20
21
24
23
20
18
19
19
19
18
18
17
17
17
19
21
21
20
21
18

Relative Humidity (%)

47
43
41
41
42
47
57
61
63
63
75
83
83
79
77
76
75
77
79
73
64
58
56
54

Pressure (mb)

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

Ozone (du)

312
312
311
310
309
310
310
308
308
308
308
308
309
308
309
308
309
310
308
308
309
309
310
310

Monday 29

Waxing Gibbous 100%

21:28

04:32

13 OK
14 OK
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
12 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)

39
14
21
58
87
100
100
100
100
100
100
100
100
100
91
69
73
67
67
67
63
54
48
54

Low Clouds (% Sky Obscured)

0
0
12
6
23
4
59
7
1
2
38
55
73
76
51
69
73
67
67
67
63
54
48
54

Medium Clouds (% Sky Obscured)

0
0
0
0
16
2
43
65
18
60
53
23
53
50
31
5
39
29
24
33
38
40
38
36

High Clouds (% Sky Obscured)

39
12
14
58
87
100
100
100
100
100
100
100
100
100
91
69
73
67
67
67
63
54
48
54

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
9
3
4
9
9
9
9
9
9
9
9
9
5
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
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
Light Rain
Ice pellet
Ice pellet
None
None
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

3
6
26
29
58
95
95
95
81
47
45
95
95
95
68
32
95
79
82
72
82
95
89
82

Precipitation Amount (mm)

0
0
0
0
0
0.5
1.2
0.2
0.2
0
0
2
3.2
2.2
0
0
2.5
0.4
0.8
0.4
0.4
0.6
0.6
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

30
30
30
30
30
29
24
22
22
21
22
21
20
20
20
20
20
20
20
21
21
22
22
23

Feels Like (°C)

31
31
31
32
30
30
25
23
23
22
21
21
20
20
20
20
20
21
22
23
24
23
24
24

Dew Point (°C)

20
20
20
21
21
21
23
22
21
21
21
20
19
19
19
19
19
19
19
18
19
18
16
16

Relative Humidity (%)

54
54
55
56
59
63
92
96
95
95
94
94
93
93
93
95
95
93
91
86
86
77
69
66

Pressure (mb)

1020
1019
1019
1019
1018
1019
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

308
307
309
309
308
308
308
309
310
310
310
311
313
313
313
315
317
318
319
319
320
321
324
325

Tuesday 30

Full Moon 99%

22:04

05:39

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
12 Bad

Sun - Rise: 04:49, Set: 21:11, Transit: 13:00. 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)

58
51
55
55
59
64
66
67
69
78
95
97
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
51
51
43
40
36
37
34
28
24
24
45
43
44
49
60
64
74
89
94
94
80
81
80

Medium Clouds (% Sky Obscured)

34
25
17
8
13
23
32
26
21
13
36
87
100
80
36
25
39
48
61
60
51
44
52
55

High Clouds (% Sky Obscured)

58
51
55
49
44
32
20
33
49
69
86
93
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

36
39
31
20
71
63
95
85
54
36
95
95
95
70
55
83
87
80
73
95
90
71
84
76

Precipitation Amount (mm)

0
0
0
0
0.6
0.3
0.7
0.6
0.2
0
0.7
0.6
1.2
0.4
0
0.6
0.6
0.5
0.5
1.2
0.7
0.5
0.6
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
24
24
24
23
23
22
21
20
19
19
19
19
18
18
18
18
19
19
20
20
22
22

Feels Like (°C)

25
25
26
27
27
27
27
24
23
22
21
20
20
19
20
19
19
19
20
20
21
21
23
24

Dew Point (°C)

17
17
17
17
17
19
20
19
18
18
17
18
18
19
18
18
17
18
18
18
18
18
17
17

Relative Humidity (%)

66
65
64
64
65
78
81
83
85
89
89
92
96
98
96
96
96
98
95
93
91
88
73
73

Pressure (mb)

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

Ozone (du)

325
327
329
333
333
333
334
332
330
329
326
320
322
322
324
324
321
318
315
315
316
316
315
315

Wednesday 1

Waning Gibbous 96%

22:31

06:52

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 OK
11 OK
12 OK

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
99
99
98
97
96
97
97
96
97
98
100
95
89
90
97
98
99
78
55
32
28
29

Low Clouds (% Sky Obscured)

74
70
60
57
68
73
77
71
69
63
63
61
58
48
35
22
18
10
2
5
9
26
25
13

Medium Clouds (% Sky Obscured)

61
49
40
28
38
44
50
52
57
58
57
55
27
24
23
21
24
30
40
30
19
1
5
7

High Clouds (% Sky Obscured)

100
99
98
98
89
84
84
74
72
25
30
89
100
90
79
70
62
63
65
44
23
2
1
0

ISS Passover

Visibility (miles)

5
8
3
7
2
3
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

84
95
90
81
95
95
33
4
8
10
7
6
1
4
4
2
5
6
5
15
17
17
14
11

Precipitation Amount (mm)

0.5
0.7
0.6
0.4
0.7
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
23
23
22
21
19
19
19
17
16
16
15
15
13
13
13
13
12
12
13
15
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

75
80
79
81
86
91
93
93
92
89
90
90
93
93
93
95
93
90
86
82
73
66
59
56

Pressure (mb)

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

Ozone (du)

315
314
314
314
311
309
310
313
314
316
316
320
319
322
324
326
328
330
333
336
348
360
373
361

Thursday 2

Waning Gibbous 92%

22:51

08:05

13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 Good
22 Good
23 Good
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

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)

31
34
35
33
37
44
46
31
14
0
14
31
46
53
57
56
62
72
84
88
94
98
95
91

Low Clouds (% Sky Obscured)

0
8
16
24
37
44
46
31
14
0
4
10
16
26
37
48
58
67
75
82
90
97
93
91

Medium Clouds (% Sky Obscured)

10
14
11
10
5
2
0
0
0
0
9
20
37
39
44
45
47
50
47
55
65
81
54
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
6
9
14
11
6
0
1
1
2
16
31

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
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

5
4
2
0
0
0
0
0
0
0
0
0
0
0
1
0
30
48
60
61
55
45
37
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
23
22
22
22
22
22
18
19
19
18
18
17
15
15
15
15
14
13
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

52
49
48
47
45
52
60
68
68
72
73
75
76
77
79
79
80
76
72
68
72
75
79
70

Pressure (mb)

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

Ozone (du)

350
338
336
333
330
327
324
321
320
320
319
319
319
318
319
319
320
319
318
317
318
320
321
322

Friday 3

Waning Gibbous 85%

23:07

09:19

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

Sun - Rise: 04:51, Set: 21:10, Transit: 13:00. Moon - Rise: 23:07, Set: 09:19. Civil Dark: 21:55 - 04:06. Nautical Dark: 23:00 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
78
73
67
71
75
79
62
44
29
34
32
28
20
18
17
26
36
59

Low Clouds (% Sky Obscured)

85
78
73
63
59
52
46
33
22
8
8
9
8
8
13
15
20
24
19

Medium Clouds (% Sky Obscured)

0
7
15
22
26
26
25
22
18
15
22
28
28
20
18
17
20
19
17

High Clouds (% Sky Obscured)

45
28
14
0
3
6
9
8
6
1
3
6
9
10
12
7
2
3
4

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
11
8
1
3
3
1
2
1
0
1
2
1
4
4
1
1
1
0

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

18
19
19
19
19
18
17
16
15
13
11
10
10
9
9
9
8
10
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
55
52
48
46
50
54
60
66
72
81
83
85
88
88
91
93
87
79

Pressure (mb)

1020
1020
1020
1020
1020
1021
1021
1022
1022
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

323
324
326
329
331
342
352
362
360
358
357
356
356
355
354
354
353
353
352

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

Generated: 27/06/26 13:32:12. Forecast: 27/06/26 to 03/07/26. Timezone: UTC+2.00