Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

First Quarter 48%

12:38

00:47

05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 OK
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

Sun - Rise: 04:52, Set: 21:15, Transit: 13:03. Moon - Rise: 12:38, Set: 00:47. Civil Dark: 22:00 - 04:07. Nautical Dark: 23:06 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
6
0
0
0
0
0
0
3
26
42
100
85
100
100
87
99
99
99
100
100
100
88
78

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
7
21
20
8
0
0
0
1
12
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
19
14
19
36
27
18
50
44
63
50
41
8
31
5
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
24
100
60
100
100
87
57
97
99
99
100
100
87
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
5
9
9
9
7
9
9

Fog (%)

87
100
88
5
2
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
Light Rain
None
None
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
0
0
3
35
70
19
33
89
54
46
3
0
10
20
7
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.6
0
0
0.6
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
1
2
2
3
4
5
5
4
5
12
9
8
5
5
4
2
4
4
3
3
3

Chance of Frost

Temperature (°C)

17
17
20
23
25
27
29
30
31
32
33
33
31
29
28
27
26
24
23
23
22
21
20
20

Feels Like (°C)

20
22
24
26
30
31
33
34
35
35
37
36
30
29
28
28
26
25
25
24
23
22
21
20

Dew Point (°C)

15
15
17
19
20
21
21
21
20
20
19
18
23
26
25
24
24
23
22
21
21
20
19
18

Relative Humidity (%)

89
88
84
79
73
67
61
56
52
49
45
42
60
81
80
83
90
89
89
89
91
92
92
92

Pressure (mb)

1023
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1024
1023
1024
1025
1026
1025
1025
1025
1024
1025
1025

Ozone (du)

344
346
347
347
345
343
342
343
343
342
338
334
331
329
329
328
325
324
324
324
325
327
328
327

Monday 22

Waxing Gibbous 58%

13:52

01:00

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

Sun - Rise: 04:52, Set: 21:15, Transit: 13:04. Moon - Rise: 13:52, Set: 01:00. Civil Dark: 22:00 - 04:07. Nautical Dark: 23:07 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

42
54
93
88
53
91
61
34
37
56
95
48
24
15
12
1
0
5
24
40
88
93
39
40

Low Clouds (% Sky Obscured)

26
33
11
52
48
46
48
34
37
27
20
28
24
15
12
0
0
0
24
40
39
41
33
37

Medium Clouds (% Sky Obscured)

34
54
31
22
23
13
16
0
0
0
14
0
0
0
0
0
0
5
18
26
26
22
12
25

High Clouds (% Sky Obscured)

42
53
92
83
45
89
54
29
30
40
93
34
0
0
4
1
0
0
4
8
80
89
8
7

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
Ice pellet
Light Rain
None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
44
1
8
19
95
34
11
9
29
23
24
9
14
4
3
2
0
1
2
0
0
0

Precipitation Amount (mm)

1.3
2.7
0.4
0
0
0
1.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
20
21
22
23
24
24
26
27
28
28
28
27
26
25
23
21
20
19
19
18
18
18

Feels Like (°C)

21
22
22
22
23
25
26
27
29
30
29
28
30
29
28
28
25
23
23
23
22
19
19
21

Dew Point (°C)

18
18
18
18
18
18
18
16
17
17
17
17
18
19
19
19
18
18
17
17
17
17
17
16

Relative Humidity (%)

93
91
85
81
76
70
66
60
57
54
52
52
54
60
64
71
75
79
82
86
88
89
90
89

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1024
1023
1023
1023
1022
1022
1022
1023
1023
1023
1024
1024
1023
1023
1023
1023

Ozone (du)

328
328
327
327
328
328
328
327
326
326
327
328
329
327
325
322
320
321
321
319
319
320
321
319

Tuesday 23

Waxing Gibbous 68%

15:05

01:14

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

Sun - Rise: 04:52, Set: 21:16, Transit: 13:04. Moon - Rise: 15:05, Set: 01:14. Civil Dark: 22:00 - 04:08. Nautical Dark: 23:07 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
67
80
68
85
94
72
83
66
31
9
26
3
12
13
8
4
3
3
0
0
0
0
0

Low Clouds (% Sky Obscured)

34
33
24
27
22
22
26
31
31
17
4
3
3
0
5
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

38
43
34
27
44
48
34
25
0
0
0
0
0
0
3
2
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

16
30
76
68
80
91
66
83
61
11
2
12
0
12
6
7
4
3
3
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
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
1
2
1
2
2
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
3
4
5
5
6
6
7
7
8
8
8
7
6
5
4
3
2
2
2
1

Chance of Frost

Temperature (°C)

17
18
19
20
22
23
24
25
26
27
27
28
27
27
26
24
22
21
20
19
18
17
17
17

Feels Like (°C)

20
20
21
21
22
23
24
26
26
28
29
29
28
28
27
26
24
22
22
22
21
21
20
19

Dew Point (°C)

15
15
15
15
15
16
16
16
16
16
16
16
16
16
17
18
17
15
15
15
15
14
14
14

Relative Humidity (%)

89
85
77
72
67
63
59
55
54
51
50
49
50
51
58
68
69
68
71
77
81
82
83
83

Pressure (mb)

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

Ozone (du)

319
318
318
321
321
321
323
325
327
326
326
326
324
322
325
326
325
324
325
327
324
322
320
318

Wednesday 24

Waxing Gibbous 77%

16:17

01:30

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

Sun - Rise: 04:53, Set: 21:16, Transit: 13:04. Moon - Rise: 16:17, Set: 01:30. Civil Dark: 22:00 - 04:08. Nautical Dark: 23:07 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
1
2
7
5
6
11
9
12
8
17
16
5
4
3
15
33
48
56
63
65
49
33
17

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
15
33
48
43
38
29
25
23
17

High Clouds (% Sky Obscured)

1
1
2
5
2
1
2
4
5
5
14
14
2
4
2
0
1
0
22
42
65
46
23
1

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
2
3
1
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)

1
2
2
3
3
3
3
4
3
3
3
3
2
2
3
2
3
4
3
1
1
1
1
1

Chance of Frost

Temperature (°C)

16
17
19
20
22
24
26
27
28
29
30
30
31
31
30
28
26
24
23
22
21
21
20
20

Feels Like (°C)

19
20
22
23
24
26
28
29
30
31
32
32
33
33
34
32
29
26
25
25
24
23
23
22

Dew Point (°C)

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

Relative Humidity (%)

85
83
77
70
65
59
53
49
45
44
42
41
40
40
50
57
60
63
64
65
67
68
70
72

Pressure (mb)

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

Ozone (du)

318
317
316
315
314
314
314
315
314
314
314
314
313
312
312
311
310
308
307
306
306
306
307
307

Thursday 25

Waxing Gibbous 85%

17:29

01:51

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

Sun - Rise: 04:53, Set: 21:16, Transit: 13:04. Moon - Rise: 17:29, Set: 01:51. Civil Dark: 22:00 - 04:09. Nautical Dark: 23:06 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

18
17
15
18
17
17
14
10
9
5
3
0
0
1
3
3
2
1
2
2
3
3
3
4

Low Clouds (% Sky Obscured)

5
9
15
18
17
17
14
10
9
5
3
0
0
1
2
2
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

13
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

19
20
22
23
24
26
27
28
29
29
30
30
30
30
29
26
24
23
21
20
19
18
18
17

Feels Like (°C)

21
23
25
26
28
29
30
31
32
32
33
34
34
33
31
28
27
27
26
25
25
24
20
20

Dew Point (°C)

15
16
16
16
16
16
16
16
15
16
15
15
15
15
18
18
17
16
14
15
15
15
15
14

Relative Humidity (%)

75
76
69
65
60
56
51
47
44
43
41
40
39
41
51
62
62
63
64
69
73
78
81
83

Pressure (mb)

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

Ozone (du)

306
306
306
307
308
308
309
309
308
308
308
307
306
307
308
309
309
309
309
309
309
309
310
310

Friday 26

Waxing Gibbous 91%

18:40

02:18

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

Sun - Rise: 04:54, Set: 21:16, Transit: 13:04. Moon - Rise: 18:40, Set: 02:18. Civil Dark: 22:00 - 04:09. Nautical Dark: 23:06 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

4
4
4
10
15
21
34
44
56
49
57
60
65
70
70
63
53
44
33
21
8
7
6
7

Low Clouds (% Sky Obscured)

0
0
0
3
8
14
11
9
7
4
2
0
0
0
0
4
11
18
13
8
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
0
0
0
0
0

High Clouds (% Sky Obscured)

4
3
2
1
1
2
4
7
20
25
25
15
5
5
0
0
0
0
0
0
0
2
3
5

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)

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

Chance of Frost

Temperature (°C)

17
18
20
21
23
24
26
27
28
29
30
30
30
28
27
25
24
23
21
20
19
18
17
17

Feels Like (°C)

20
20
20
20
26
26
26
27
28
29
31
30
30
29
30
30
23
23
23
22
22
21
16
17

Dew Point (°C)

14
15
15
16
16
16
16
16
16
16
15
15
15
16
16
17
16
14
13
13
13
13
13
13

Relative Humidity (%)

86
81
76
70
65
59
54
50
45
43
41
40
39
45
51
60
59
59
59
63
67
72
74
78

Pressure (mb)

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

Ozone (du)

311
311
311
311
311
311
311
312
312
313
313
312
312
313
313
314
314
314
315
315
316
316
317
317

Saturday 27

Waxing Gibbous 96%

19:47

02:54

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

Sun - Rise: 04:54, Set: 21:16, Transit: 13:05. Moon - Rise: 19:47, Set: 02:54. Civil Dark: 22:00 - 04:10. Nautical Dark: 23:06 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

10
12
22
35
49
70
72
79
80
79
73
66
47
42
37
23
12
6
20
31
41

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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

8
12
12
12
12
15
21
23
30
28
23
8
7
1
0
0
0
0
10
20
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

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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
19
20
22
24
26
27
28
30
30
31
31
30
29
27
26
23
21
21
20

Feels Like (°C)

17
17
17
17
22
23
23
24
24
24
31
30
30
31
32
32
27
26
25
25
24

Dew Point (°C)

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

Relative Humidity (%)

81
76
70
66
60
54
50
47
45
43
42
41
39
46
53
62
66
70
75
76
78

Pressure (mb)

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

Ozone (du)

317
317
318
318
318
318
319
318
318
318
317
317
316
316
316
316
316
316
315
315
316

Forecast for Letňany, Praha 18, Czech Republic (50.14,14.52)

Generated: 21/06/26 05:50:05. Forecast: 21/06/26 to 27/06/26. Timezone: UTC+2.00