Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waxing Gibbous 91%

16:17

05:03

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: 05:46, Set: 19:58, Transit: 12:53. Moon - Rise: 16:17, Set: 05:03. Civil Dark: 20:33 - 05:10. Nautical Dark: 21:18 - 04:26. Astro Dark: 22:08 - 03:34

Total Clouds (% Sky Obscured)

98
98
99
100
99
98
97
86
75
82
75
67
67
83
93
81
75
68
70
93
91
79
80
97

Low Clouds (% Sky Obscured)

98
91
75
76
70
68
67
65
61
59
66
57
63
66
66
67
80
62
82
92
84
63
67
89

Medium Clouds (% Sky Obscured)

100
100
100
100
93
90
60
34
27
50
54
18
3
24
42
41
40
42
26
44
8
11
5
23

High Clouds (% Sky Obscured)

87
83
87
83
68
26
33
33
10
29
36
4
6
7
6
4
4
7
8
31
7
4
4
3

ISS Passover

Visibility (miles)

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

Fog (%)

0
9
48
32
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
93
62
49
42
29
9
7
15
15
3
1
1
0
4
4
5
6
17
10
14
4
15

Precipitation Amount (mm)

0.8
0.5
0.3
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
8
12
12
11
10
9
7
5
5
4
4
3
3
3
3
3
3
4
7
9
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
98
96
96
98
94
94
94
98
98
96
96
94
92
92
94
92
88
83
77
72
63

Pressure (mb)

1010
1012
1013
1014
1015
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1020

Ozone (du)

439
447
453
456
453
448
446
445
446
446
445
444
444
445
445
446
446
445
446
442
438
436
435
432

Sunday 21

Waxing Gibbous 96%

17:25

05:14

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

Sun - Rise: 05:44, Set: 20:00, Transit: 12:52. Moon - Rise: 17:25, Set: 05:14. Civil Dark: 20:35 - 05:08. Nautical Dark: 21:20 - 04:23. Astro Dark: 22:11 - 03:31

Total Clouds (% Sky Obscured)

100
100
100
98
96
93
67
35
34
12
16
34
41
36
27
6
10
9
31
23
74
83
100
100

Low Clouds (% Sky Obscured)

91
89
83
59
82
50
35
23
22
12
18
19
24
17
3
3
8
5
37
23
68
74
100
100

Medium Clouds (% Sky Obscured)

40
47
48
47
29
33
31
22
13
0
0
21
31
18
20
0
0
2
1
1
0
0
0
50

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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 (%)

6
14
8
15
8
15
2
0
0
0
0
0
0
0
0
0
0
1
2
2
3
15
4
4

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
12
11
11
11
10
9
6
5
5
4
4
4
3
3
3
3
3
3
5
6
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
56
57
58
56
64
69
80
86
88
89
89
87
87
89
91
91
89
84
75
66
58
53
50

Pressure (mb)

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

Ozone (du)

431
432
437
443
446
447
448
447
446
446
448
451
453
455
457
459
461
461
461
458
454
452
450
451

Monday 22

Waxing Gibbous 99%

18:35

05:25

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
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: 05:42, Set: 20:01, Transit: 12:52. Moon - Rise: 18:35, Set: 05:25. Civil Dark: 20:37 - 05:06. Nautical Dark: 21:22 - 04:21. Astro Dark: 22:14 - 03:28

Total Clouds (% Sky Obscured)

100
100
100
96
95
81
77
77
31
93
57
93
93
82
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
90
70
81
72
64
56
42
2
2
2
1
2
1
2
2
4
2
13
26
51
71
69
45

Medium Clouds (% Sky Obscured)

55
100
100
49
33
15
3
9
45
41
53
56
37
40
100
100
100
100
100
99
97
100
99
99

High Clouds (% Sky Obscured)

3
0
2
2
0
3
2
1
4
84
49
78
83
85
89
100
100
97
100
100
100
100
99
99

ISS Passover

Visibility (miles)

9
9
9
8
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 (%)

4
2
5
12
2
0
0
0
0
0
0
0
0
0
0
0
0
1
2
7
9
11
13
11

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)

6
5
4
5
5
5
5
4
5
5
5
4
4
4
5
5
5
6
6
8
10
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
47
47
52
56
57
62
66
73
80
81
84
84
84
83
83
81
77
73
66
62
61
60
57

Pressure (mb)

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

Ozone (du)

448
443
437
431
429
428
428
431
434
437
441
446
448
447
444
443
444
446
447
449
449
449
444
443

Tuesday 23

Waxing Gibbous 100%

19:47

05:38

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: 05:40, Set: 20:03, Transit: 12:52. Moon - Rise: 19:47, Set: 05:38. Civil Dark: 20:39 - 05:04. Nautical Dark: 21:24 - 04:18. Astro Dark: 22:16 - 03:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

61
70
77
81
72
69
75
77
78
77
72
77
77
78
77
76
76
76
78
77
76
75
79
78

Medium Clouds (% Sky Obscured)

98
98
99
100
100
100
100
100
100
100
100
100
100
99
100
99
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

98
17
83
80
87
93
100
100
100
64
25
100
47
100
100
100
100
100
100
100
94
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
0
0
0
2
2
0
4
5
0
0
0

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

Precipitation Probability (%)

3
19
28
35
40
47
53
50
48
46
42
40
41
35
29
15
30
42
40
43
51
55
55
63

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
56
55
57
59
63
67
70
68
70
71
73
89
96
96
96
93
91
96
93
88
93
94
94

Pressure (mb)

1016
1015
1014
1014
1013
1013
1012
1012
1012
1012
1011
1011
1010
1010
1009
1008
1008
1007
1007
1007
1007
1006
1006
1006

Ozone (du)

441
440
439
439
437
435
435
436
434
430
427
425
425
424
425
423
421
419
419
417
416
417
416
417

Wednesday 24

Full Moon 99%

21:01

05:54

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: 05:38, Set: 20:04, Transit: 12:52. Moon - Rise: 21:01, Set: 05:54. Civil Dark: 20:40 - 05:02. Nautical Dark: 21:26 - 04:16. Astro Dark: 22:19 - 03:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
96
95
97
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

78
81
82
85
86
87
89
88
87
87
80
75
69
65
61
58
48
32
20
47
75
100
94
88

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
94
89
83
89
95
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
98
97
96
92
90
87
91
100
89
76
67
73
81

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

70
82
81
81
85
87
85
81
83
85
80
78
83
83
85
86
85
86
87
82
77
71
62
51

Precipitation Amount (mm)

0
0.3
0.3
0.3
0.4
0.4
0.4
0.3
0.3
0.4
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.4
0.3
0.2
0.2

Wind Speed/Direction (mph)

10
12
12
12
11
10
9
8
8
7
6
5
4
4
3
3
3
3
3
3
3
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
96
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
98

Pressure (mb)

1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1009
1009
1009

Ozone (du)

418
419
421
423
426
428
426
424
422
422
424
424
425
424
424
424
424
424
423
423
423
423
424
423

Thursday 25

Waning Gibbous 96%

22:18

06:16

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 OK
02 Bad
03 Bad
04 Bad
05 OK
06 Bad
07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:36, Set: 20:06, Transit: 12:52. Moon - Rise: 22:18, Set: 06:16. Civil Dark: 20:42 - 05:00. Nautical Dark: 21:28 - 04:13. Astro Dark: 22:22 - 03:19

Total Clouds (% Sky Obscured)

100
100
100
99
97
95
94
95
97
100
77
54
35
46
48
44
43
41
33
30
34
33
54
75

Low Clouds (% Sky Obscured)

83
85
83
81
62
43
24
25
25
25
34
45
55
50
46
40
41
40
39
35
32
31
47
64

Medium Clouds (% Sky Obscured)

100
91
81
70
72
74
77
84
91
98
77
58
42
32
17
2
1
1
0
6
14
24
17
15

High Clouds (% Sky Obscured)

100
72
40
10
10
5
5
5
10
15
20
29
28
19
10
1
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
3
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6

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 (%)

37
35
31
24
22
18
11
12
11
4
6
5
0
0
0
0
0
0
0
15
20
21
29
30

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
93
88
82
78
82
85
88
89
89
89
89
91
93
94
94
96
93
88
85
76
71
64
62

Pressure (mb)

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

Ozone (du)

423
423
425
427
430
429
429
429
428
428
427
428
428
429
431
433
435
434
434
433
433
433
433
431

Friday 26

Waning Gibbous 91%

23:34

06:47

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

Sun - Rise: 05:34, Set: 20:08, Transit: 12:52. Moon - Rise: 23:34, Set: 06:47. Civil Dark: 20:44 - 04:58. Nautical Dark: 21:30 - 04:11. Astro Dark: 22:25 - 03:16

Total Clouds (% Sky Obscured)

96
98
97
95
76
58
39
33
26
20
18
16
14
25
36
51
62
72
79

Low Clouds (% Sky Obscured)

80
84
84
81
63
42
22
16
10
3
9
17
30
40
50
56
57
54
48

Medium Clouds (% Sky Obscured)

6
20
33
46
31
15
1
9
17
27
20
11
3
1
1
0
1
2
3

High Clouds (% Sky Obscured)

0
3
9
17
16
15
10
9
5
2
1
1
0
3
5
7
13
21
30

ISS Passover

Visibility (miles)

8
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 (%)

28
27
28
13
22
22
18
14
9
0
0
0
0
0
0
0
0
1
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
58
56
54
51
62
74
87
90
91
93
93
93
93
93
93
93
88
85

Pressure (mb)

1013
1013
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

430
428
427
427
426
427
429
430
430
430
429
428
427
425
424
423
423
423
423

Forecast for Martínkovice, Náchod District, Czech Republic (50.55,16.34)

Generated: 20/04/24 13:17:30. Forecast: 20/04/24 to 26/04/24. Timezone: UTC+2.00