Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 85%

No Rise

04:54

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:49, Set: 19:58, Transit: 12:54. Moon - Rise: No Rise, Set: 04:54. Civil Dark: 20:33 - 05:14. Nautical Dark: 21:17 - 04:30. Astro Dark: 22:07 - 03:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
99
100
100
95
100
100
97

Low Clouds (% Sky Obscured)

96
93
94
94
90
99
92
90
95
100
99
96
92
100
99
100
100
86
79
92
90
73
79
73

Medium Clouds (% Sky Obscured)

100
100
100
100
93
100
100
100
100
100
100
100
98
95
67
42
72
51
59
78
72
52
51
59

High Clouds (% Sky Obscured)

80
100
100
91
98
100
97
94
100
100
100
76
79
86
35
58
56
4
4
15
29
28
16
10

ISS Passover

Visibility (miles)

1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
8
2
4
3

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
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
Snow
Snow
Sleet
None
Light Rain
None
None

Precipitation Probability (%)

48
69
86
54
34
35
31
51
64
88
95
85
64
47
26
32
35
50
77
80
75
95
72
62

Precipitation Amount (mm)

0.4
0.5
0.6
0
0
0
0
0.1
0.2
0.6
1
0.5
0.2
0.1
0
0
0
0.1
0.5
0.4
0
0.7
0
0

Wind Speed/Direction (mph)

16
17
15
13
11
9
8
8
7
7
6
5
4
5
6
7
8
7
7
6
6
7
9
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-2
-2
-2
-1
-2
-2
-2
-2
-1
-1
-1
-1
-1
-2
-2
-2
-1
0
1
2
4
2
-1

Dew Point (°C)

4
4
4
3
3
3
3
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3

Relative Humidity (%)

91
94
98
98
96
98
96
96
96
98
100
100
100
98
98
98
96
96
94
89
86
78
83
91

Pressure (mb)

1006
1005
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1006
1006
1007
1008
1008
1009
1009
1010
1010
1012
1013

Ozone (du)

418
418
418
416
415
416
416
418
421
426
428
428
428
428
430
431
429
425
425
427
432
437
443
448

Saturday 20

Waxing Gibbous 91%

16:18

05:05

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 OK
07 Bad
08 Bad
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:47, Set: 19:59, Transit: 12:54. Moon - Rise: 16:18, Set: 05:05. Civil Dark: 20:35 - 05:12. Nautical Dark: 21:19 - 04:27. Astro Dark: 22:09 - 03:36

Total Clouds (% Sky Obscured)

97
98
91
90
90
70
79
80
66
55
47
50
57
46
37
47
67
41
20
47
71
68
68
88

Low Clouds (% Sky Obscured)

73
70
70
60
63
64
68
60
48
33
35
30
41
26
5
41
61
40
24
42
56
49
45
77

Medium Clouds (% Sky Obscured)

87
93
83
86
79
56
69
64
15
21
2
8
9
19
25
3
1
2
2
1
3
4
1
1

High Clouds (% Sky Obscured)

9
6
4
4
4
4
4
20
38
11
3
3
10
5
5
4
7
1
0
0
0
4
4
4

ISS Passover

Visibility (miles)

9
6
4
0
0
7
8
9
9
9
9
9
9
9
9
8
8
9
9
9
8
7
4
3

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 (%)

46
40
35
30
24
15
10
7
3
2
2
3
3
4
3
5
3
2
4
3
14
8
17
8

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)

14
13
11
9
6
5
5
5
4
4
5
5
5
5
5
6
9
11
12
12
13
13
13
12

Chance of Frost

Temperature (°C)

4
4
3
3
2
2
1
0
-1
-1
-1
-1
-2
-2
-2
-1
0
1
2
3
4
5
5
5

Feels Like (°C)

-2
-2
-1
-1
-2
-3
-3
-4
-4
-4
-4
-3
-4
-4
-5
-4
-5
-5
-2
-1
-1
-2
-1
-1

Dew Point (°C)

2
2
1
2
2
1
-1
-1
-2
-2
-2
-2
-2
-3
-3
-2
-3
-4
-5
-4
-4
-3
-3
-2

Relative Humidity (%)

85
88
89
94
96
93
91
92
91
94
94
94
94
94
94
91
78
70
60
57
56
57
57
59

Pressure (mb)

1014
1015
1016
1017
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

449
448
448
449
449
449
449
448
445
443
441
439
439
438
437
437
436
436
434
430
427
423
420
417

Sunday 21

Waxing Gibbous 96%

17:27

05:15

16 Bad
17 Bad
18 Bad
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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:45, Set: 20:01, Transit: 12:54. Moon - Rise: 17:27, Set: 05:15. Civil Dark: 20:36 - 05:10. Nautical Dark: 21:21 - 04:25. Astro Dark: 22:12 - 03:33

Total Clouds (% Sky Obscured)

57
71
47
25
64
70
73
77
81
81
60
83
70
97
100
81
85
94
100
100
100
100
99
97

Low Clouds (% Sky Obscured)

34
50
34
13
3
3
8
6
11
6
17
42
13
14
25
8
39
74
93
88
95
100
94
88

Medium Clouds (% Sky Obscured)

0
1
3
3
16
33
25
28
13
51
47
50
47
48
48
21
31
51
65
82
83
85
79
71

High Clouds (% Sky Obscured)

12
75
5
5
74
80
80
85
85
63
6
4
22
70
73
80
80
80
80
80
80
80
80
80

ISS Passover

Visibility (miles)

7
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
2
3
6
8
7
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 (%)

17
20
7
0
0
0
0
0
0
0
0
0
1
3
2
2
2
3
1
4
7
6
7
8

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)

12
13
12
10
8
6
6
5
5
4
4
4
4
3
4
4
5
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

5
5
4
3
1
-0
-1
-1
-1
-2
-2
-2
-3
-3
-3
-1
1
2
3
4
5
5
6
6

Feels Like (°C)

-1
-1
-1
-1
-2
-4
-4
-5
-5
-5
-5
-5
-6
-5
-6
-5
-4
-3
-1
-0
1
1
1
1

Dew Point (°C)

-2
-3
-2
-2
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-5
-5
-6
-5
-5
-5
-4

Relative Humidity (%)

63
58
63
68
77
84
84
83
83
86
86
89
89
91
91
84
70
60
54
49
48
47
48
49

Pressure (mb)

1021
1021
1021
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022

Ozone (du)

415
414
414
414
414
414
417
419
419
419
418
420
423
426
428
427
424
420
416
416
416
418
419
420

Monday 22

Waxing Gibbous 99%

18:36

05:27

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

Sun - Rise: 05:43, Set: 20:02, Transit: 12:54. Moon - Rise: 18:36, Set: 05:27. Civil Dark: 20:38 - 05:08. Nautical Dark: 21:23 - 04:22. Astro Dark: 22:15 - 03:30

Total Clouds (% Sky Obscured)

96
91
85
79
50
16
10
9
10
10
9
7
7
18
8
35
15
48
81
85
78
78
87
94

Low Clouds (% Sky Obscured)

82
71
64
56
37
9
3
3
3
4
4
2
2
2
2
1
6
10
13
23
39
61
65
65

Medium Clouds (% Sky Obscured)

67
56
41
1
0
0
0
0
0
0
0
0
0
8
2
16
8
34
64
67
56
33
38
77

High Clouds (% Sky Obscured)

80
80
80
70
4
7
4
4
4
4
4
4
4
4
4
31
4
4
20
21
0
4
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

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 (%)

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

Chance of Frost

Temperature (°C)

5
5
5
4
2
1
-0
-1
-1
-2
-2
-2
-2
-2
-2
0
2
4
5
6
7
8
9
9

Feels Like (°C)

1
1
1
-0
-2
-3
-2
-3
-4
-4
-3
-4
-4
-4
-4
-2
-1
-0
1
2
2
4
4
4

Dew Point (°C)

-4
-4
-5
-3
-3
-3
-3
-4
-5
-5
-4
-4
-4
-4
-4
-3
-3
-3
-3
-2
-2
-2
-1
-1

Relative Humidity (%)

52
51
51
61
70
77
80
78
78
79
81
83
86
86
86
80
70
62
56
54
51
51
49
50

Pressure (mb)

1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1020
1019
1019
1018
1017

Ozone (du)

428
433
434
438
439
439
439
439
439
441
442
440
438
439
438
438
439
441
441
439
438
436
437
437

Tuesday 23

Waxing Gibbous 100%

19:48

05:40

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:42, Set: 20:04, Transit: 12:54. Moon - Rise: 19:48, Set: 05:40. Civil Dark: 20:40 - 05:06. Nautical Dark: 21:25 - 04:20. Astro Dark: 22:17 - 03:27

Total Clouds (% Sky Obscured)

84
82
70
56
93
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

61
56
40
19
18
18
18
23
27
31
36
44
50
57
62
66
67
68
69
67
62
60
58
66

Medium Clouds (% Sky Obscured)

25
31
29
38
80
95
90
100
100
100
100
100
100
100
100
100
95
91
86
90
93
97
97
99

High Clouds (% Sky Obscured)

1
0
6
12
87
93
100
100
100
100
100
100
100
100
100
100
78
57
40
45
40
45
40
25

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
1
1
1
0
0
0
0
0
0
5
6
6
12
16
19
20
21
22
26
29
31
31
31

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)

10
10
9
9
8
8
8
8
9
9
8
8
8
8
9
10
11
11
12
12
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
54
58
66
75
77
77
80
77
76
76
76
77
77
73
72
69
64
60
55
52
50
48
49

Pressure (mb)

1017
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010

Ozone (du)

436
437
434
429
424
423
423
423
423
422
420
419
419
419
416
413
410
410
409
409
408
408
407
407

Wednesday 24

Full Moon 99%

21:02

05:56

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:40, Set: 20:06, Transit: 12:53. Moon - Rise: 21:02, Set: 05:56. Civil Dark: 20:42 - 05:03. Nautical Dark: 21:27 - 04:18. Astro Dark: 22:20 - 03:24

Total Clouds (% Sky Obscured)

100
100
98
97
96
95
95
89
83
78
84
89
93
93
94
95
92
89
85
89
94
99
98
96

Low Clouds (% Sky Obscured)

71
57
43
29
23
17
11
26
39
50
50
43
38
36
31
24
25
30
34
52
70
87
84
83

Medium Clouds (% Sky Obscured)

100
98
97
95
92
89
86
59
33
7
5
3
0
4
7
9
13
19
27
32
45
65
60
49

High Clouds (% Sky Obscured)

20
15
10
10
26
45
61
45
34
30
32
39
49
43
37
30
54
73
90
65
40
17
14
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
6
8
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 (%)

31
30
29
27
24
20
11
10
8
2
4
3
1
2
2
0
10
14
17
25
30
33
33
31

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)

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

Chance of Frost

Temperature (°C)

7
7
6
5
4
3
3
2
2
1
1
1
1
0
1
2
3
5
6
7
8
9
9
9

Feels Like (°C)

2
2
2
2
3
-1
-0
0
-1
-1
-1
-3
-2
-2
-2
-2
-3
1
2
2
3
4
5
5

Dew Point (°C)

-3
-3
-2
-2
-1
-1
-1
-2
-2
-2
-2
-3
-3
-4
-3
-3
-3
-3
-2
-2
-2
-1
-0
-1

Relative Humidity (%)

49
50
56
62
71
72
76
77
80
80
81
78
78
75
71
69
64
59
56
51
51
52
52
48

Pressure (mb)

1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

407
408
410
413
415
416
416
416
414
413
411
413
415
416
415
413
412
411
410
409
411
412
413
411

Thursday 25

Waning Gibbous 96%

22:19

06:18

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

Sun - Rise: 05:38, Set: 20:07, Transit: 12:53. Moon - Rise: 22:19, Set: 06:18. Civil Dark: 20:43 - 05:01. Nautical Dark: 21:29 - 04:15. Astro Dark: 22:23 - 03:21

Total Clouds (% Sky Obscured)

95
77
60
42
44
46
47
46
45
44
51
63
72
59
50
36

Low Clouds (% Sky Obscured)

81
67
50
33
23
13
4
10
16
25
26
28
29
28
27
28

Medium Clouds (% Sky Obscured)

39
35
32
23
15
8
2
16
35
56
62
73
80
58
33
11

High Clouds (% Sky Obscured)

6
5
4
3
18
35
53
39
22
6
28
55
81
51
26
4

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

26
28
25
17
17
14
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

Wind Speed/Direction (mph)

7
6
4
4
3
3
3
3
3
3
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
5
6
6
3
3
4
3
3
2
1
0
1
0
1

Dew Point (°C)

-2
-2
-1
-0
1
0
-0
-1
-1
-1
-1
-1
-1
-1
-0
0

Relative Humidity (%)

46
42
51
58
67
71
73
76
80
83
84
86
86
88
82
75

Pressure (mb)

1011
1011
1011
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

410
408
407
407
406
407
408
409
410
410
410
409
408
407
406
406

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

Generated: 19/04/24 15:39:33. Forecast: 19/04/24 to 25/04/24. Timezone: UTC+2.00