Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 99%

20:45

03:42

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

Sun - Rise: 04:55, Set: 21:15, Transit: 13:05. Moon - Rise: 20:45, Set: 03:42. Civil Dark: 22:00 - 04:11. Nautical Dark: 23:05 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

43
35
28
3
2
2
3
3
32
31
25
16
28
52
100
99
90
88
100
100
70
63
38
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
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
24
16
28
52
46
35
28
39
35
14
34
25
30
38

High Clouds (% Sky Obscured)

7
7
2
3
2
2
3
3
32
31
4
2
1
4
100
99
82
80
100
100
70
63
18
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
Very Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
5
12
15
16
32
58
55
5
1
0
2
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
2
3
3
2
2
1
2
2
2
2
4
3
9
3
4
5
4
2
3
3
2

Chance of Frost

Temperature (°C)

23
23
24
28
30
32
34
36
37
38
39
39
39
39
37
35
33
31
28
29
28
27
26
26

Feels Like (°C)

25
25
26
30
32
34
37
38
40
39
40
41
42
41
41
33
33
31
28
30
30
29
27
29

Dew Point (°C)

13
13
13
15
15
15
15
14
14
14
15
15
15
15
18
24
23
22
24
24
24
22
21
22

Relative Humidity (%)

54
54
50
44
40
35
31
28
25
24
24
24
24
25
32
52
54
61
78
77
75
74
77
79

Pressure (mb)

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

Ozone (du)

323
322
321
320
320
320
320
321
321
320
319
320
320
317
314
315
315
313
314
316
316
318
318
317

Monday 29

Waxing Gibbous 100%

21:32

04:41

05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
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: 04:56, Set: 21:15, Transit: 13:05. Moon - Rise: 21:32, Set: 04:41. Civil Dark: 22:00 - 04:12. Nautical Dark: 23:05 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

56
28
33
21
29
33
22
60
31
60
67
65
100
100
100
100
100
100
100
80
86
69
63
61

Low Clouds (% Sky Obscured)

0
0
0
0
0
19
22
40
0
0
8
8
0
0
0
43
54
43
74
65
63
69
63
61

Medium Clouds (% Sky Obscured)

15
28
33
18
29
22
2
22
31
11
0
0
1
21
35
56
43
33
46
29
29
28
44
22

High Clouds (% Sky Obscured)

53
6
4
4
0
3
0
50
0
45
45
50
100
100
100
100
100
100
100
76
77
46
48
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
3
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
Light Rain
Light Rain
None
None
None
Light Rain
None
None
None
None
None

Precipitation Probability (%)

14
10
8
6
14
6
5
4
24
10
8
9
45
90
95
73
45
24
95
76
23
9
6
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.7
0
0
0
0.9
0
0
0
0
0

Wind Speed/Direction (mph)

3
2
2
4
4
5
8
8
9
9
8
9
9
12
13
9
11
5
6
5
5
4
5
4

Chance of Frost

Temperature (°C)

24
24
25
27
28
30
31
32
32
33
33
33
32
30
29
28
26
24
23
23
21
21
21
20

Feels Like (°C)

27
26
29
30
31
33
33
34
35
35
35
34
33
29
28
28
26
27
25
24
24
23
24
24

Dew Point (°C)

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

Relative Humidity (%)

80
78
73
67
59
54
48
44
42
38
37
36
35
50
74
86
88
92
92
91
92
92
92
91

Pressure (mb)

1018
1018
1018
1019
1018
1018
1019
1019
1019
1018
1018
1018
1018
1017
1019
1018
1020
1021
1021
1022
1022
1022
1022
1022

Ozone (du)

317
316
315
315
315
316
316
317
317
318
318
317
316
317
315
307
316
319
319
316
314
314
316
317

Tuesday 30

Full Moon 99%

22:08

No Set

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
03 Bad
04 Bad

Sun - Rise: 04:57, Set: 21:15, Transit: 13:06. Moon - Rise: 22:08, Set: No Set. Civil Dark: 21:59 - 04:13. Nautical Dark: 23:04 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

60
68
67
60
61
61
65
67
63
64
76
94
89
63
65
60
100
100
100
100
100
97
94
90

Low Clouds (% Sky Obscured)

60
68
67
60
61
61
65
67
63
64
25
30
47
40
51
50
53
34
49
20
21
32
43
54

Medium Clouds (% Sky Obscured)

30
42
41
24
20
24
19
37
22
32
34
22
29
24
31
38
27
66
50
100
75
76
71
65

High Clouds (% Sky Obscured)

45
25
0
2
5
6
4
10
3
5
29
38
15
14
45
45
100
100
100
100
100
97
94
84

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
4
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
Light Rain
None
None
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

1
1
4
3
1
0
1
0
11
11
14
5
3
5
11
59
95
79
84
95
87
85
47
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.5
0
0
0.8
0.4
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
24
25
25
26
27
27
29
30
31
30
30
31
31
30
31
30
25
25
24
24
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

89
89
82
76
69
62
57
54
51
48
45
43
46
50
48
56
64
81
87
89
91
92
94
93

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1019
1019
1018
1017
1017
1017
1017
1018
1018
1018
1017
1017
1016
1016

Ozone (du)

317
317
317
315
314
316
318
320
323
324
324
326
326
327
329
334
327
327
329
332
330
326
323
320

Wednesday 1

Waning Gibbous 96%

22:35

05:48

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 OK
03 Bad
04 OK

Sun - Rise: 04:57, Set: 21:15, Transit: 13:06. Moon - Rise: 22:35, Set: 05:48. Civil Dark: 21:59 - 04:13. Nautical Dark: 23:03 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
94
100
100
100
100
100
100
100
100
100
100
98
96
95
97
96
100
94
72
64
46
54
33

Low Clouds (% Sky Obscured)

64
74
84
72
59
49
42
37
32
31
30
30
32
33
35
25
15
5
17
28
40
27
13
0

Medium Clouds (% Sky Obscured)

77
48
67
94
99
100
100
100
100
100
100
100
97
94
91
77
63
23
28
36
48
33
17
3

High Clouds (% Sky Obscured)

85
87
99
100
100
100
100
100
100
90
99
100
79
58
46
61
61
100
89
56
51
38
44
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
8
9
8
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

94
95
95
95
95
95
95
95
79
67
54
28
10
6
4
7
6
2
0
0
0
0
0
0

Precipitation Amount (mm)

0.7
1.1
1.6
0.8
0.6
1
1.4
0.9
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
21
21
22
22
22
22
22
21
21
22
23
23
23
23
22
20
19
18
17
17
17
16

Feels Like (°C)

22
23
23
22
22
22
22
21
21
21
20
22
22
22
22
23
21
19
18
17
19
19
18
16

Dew Point (°C)

19
19
19
18
18
18
19
19
20
20
20
20
19
18
17
17
16
14
13
13
13
13
13
13

Relative Humidity (%)

92
91
86
80
76
74
81
87
91
94
91
85
80
74
68
70
68
68
69
70
73
76
78
79

Pressure (mb)

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

Ozone (du)

315
317
319
317
318
320
320
319
321
323
323
324
325
326
322
322
325
329
330
332
333
336
338
341

Thursday 2

Waning Gibbous 92%

22:56

07:00

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

Sun - Rise: 04:58, Set: 21:14, Transit: 13:06. Moon - Rise: 22:56, Set: 07:00. Civil Dark: 21:58 - 04:14. Nautical Dark: 23:03 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

8
26
10
18
30
74
56
54
61
66
79
70
55
48
65
57
63
68
73
78
82
84
86
88

Low Clouds (% Sky Obscured)

0
0
0
10
20
31
34
37
41
39
35
32
21
10
11
19
32
38
41
36
31
35
42
45

Medium Clouds (% Sky Obscured)

2
1
0
13
26
36
36
40
43
38
34
32
36
43
48
37
35
35
43
50
62
67
72
77

High Clouds (% Sky Obscured)

5
25
9
0
0
22
6
2
4
4
44
39
8
7
0
0
0
0
17
31
50
64
70
76

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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
35
74
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
0.4
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
18
20
21
22
23
24
25
26
27
27
27
26
26
24
23
22
20
20
20
19
19
19

Feels Like (°C)

16
18
18
21
22
23
23
25
26
26
26
24
25
26
27
25
24
24
23
22
23
22
20
19

Dew Point (°C)

13
14
14
14
13
12
11
10
10
10
10
9
10
9
10
12
11
11
10
11
11
11
11
11

Relative Humidity (%)

83
82
77
69
60
52
45
41
37
34
33
32
35
33
37
45
47
51
54
56
57
58
58
58

Pressure (mb)

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

Ozone (du)

343
351
361
364
348
341
337
335
333
331
330
327
325
324
322
319
319
318
318
317
316
315
316
318

Friday 3

Waning Gibbous 85%

23:13

08:13

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 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK

Sun - Rise: 04:59, Set: 21:14, Transit: 13:06. Moon - Rise: 23:13, Set: 08:13. Civil Dark: 21:58 - 04:15. Nautical Dark: 23:02 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
94
99
92
83
71
64
60
60
64
60
57
56
51
46
37
33
32
32
27
27
26
30
25

Low Clouds (% Sky Obscured)

46
52
59
58
58
57
55
56
56
63
60
57
56
51
46
37
33
32
32
27
27
26
30
25

Medium Clouds (% Sky Obscured)

64
51
40
26
13
0
7
16
24
35
39
34
30
25
21
19
17
16
22
27
27
26
30
25

High Clouds (% Sky Obscured)

87
92
99
69
41
12
20
20
21
15
13
9
7
5
4
4
4
3
3
3
2
1
1
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

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
None

Precipitation Probability (%)

94
70
24
27
30
30
18
10
0
4
7
9
12
12
11
12
13
9
30
38
42
50
43
27

Precipitation Amount (mm)

0.6
0.3
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
6
8
10
10
11
11
11
11
11
12
12
13
12
11
10
9
8
8
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
61
65
71
64
58
53
45
38
32
33
33
33
36
40
43
48
53
58
61
66
69
71
74

Pressure (mb)

1016
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

319
321
324
327
328
329
330
330
331
332
331
331
330
330
330
330
331
331
332
332
332
333
332
331

Saturday 4

Waning Gibbous 77%

23:27

09:27

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

Sun - Rise: N/A, Set: 21:14, Transit: 13:06. Moon - Rise: 23:27, Set: 09:27. Civil Dark: 21:57 - 04:16. Nautical Dark: 23:01 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

20
20
20
24
23
31
32
38
40
45
45
54
50
47
48
51
50
47
40
34
27

Low Clouds (% Sky Obscured)

20
20
20
24
23
31
32
27
14
14
14
14
22
30
37
33
28
25
26
27
24

Medium Clouds (% Sky Obscured)

20
20
20
24
23
25
32
38
40
45
44
39
38
37
36
25
13
1
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
14
24
28
19
11
2

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

Precipitation Probability (%)

21
19
16
36
46
47
30
14
1
10
12
5
11
13
4
4
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
12
12
16
15
15
15
16
17
22
20
19
20
21
22
18
18
18
19
18

Dew Point (°C)

9
8
8
8
6
5
3
2
2
1
0
-1
-1
1
3
5
5
5
5
6
6

Relative Humidity (%)

76
70
64
59
50
44
37
32
28
24
23
22
22
26
30
36
39
42
46
49
53

Pressure (mb)

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

Ozone (du)

330
329
329
328
329
330
331
332
333
335
336
337
338
339
339
340
341
342
344
343
341

Forecast for Královské Vinohrady, Praha 2, Czech Republic (50.08,14.44)

Generated: 28/06/26 05:02:08. Forecast: 28/06/26 to 04/07/26. Timezone: UTC+2.00