Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Waning Gibbous 72%

00:45

10:15

23 Good
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 OK
07 Good
08 Good
09 OK
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 Bad

Sun - Rise: 04:46, Set: 21:03, Transit: 12:54. Moon - Rise: 00:45, Set: 10:15. Civil Dark: 21:47 - 04:01. Nautical Dark: 22:52 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

11
14
18
17
32
38
40
34
0
15
34
42
19
38
54
100
100
100
100
100
100
100
95
97

Low Clouds (% Sky Obscured)

11
14
18
17
32
38
40
34
0
15
34
42
19
22
17
11
0
0
0
0
0
6
0
7

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
2
60
59
81
86
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
0
4
1
6
37
54
100
100
100
100
100
98
100
85
60

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
3
7
8
7
6
4
1
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
2
3
7
3
1
5
10
9
17
13
0
2
7

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
10
12
14
16
18
19
19
20
21
21
21
21
21
20
18
17
16

Feels Like (°C)

11
11
11
11
10
10
10
11
14
17
18
19
19
19
20
19
19
20
20
21
20
17
16
15

Dew Point (°C)

9
8
8
8
8
8
8
8
9
11
11
11
11
10
10
10
10
10
11
11
13
13
12
12

Relative Humidity (%)

95
95
93
95
93
91
93
90
84
78
69
63
59
55
52
50
49
50
51
53
67
72
74
77

Pressure (mb)

1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018

Ozone (du)

374
370
368
367
365
366
364
367
370
368
364
362
361
360
359
360
360
360
361
361
361
359
358
359

Saturday 6

Waning Gibbous 63%

01:01

11:29

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

Sun - Rise: 04:45, Set: 21:04, Transit: 12:55. Moon - Rise: 01:01, Set: 11:29. Civil Dark: 21:48 - 04:01. Nautical Dark: 22:54 - 02:55. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
85
61
65
63
96
34
19
45
22
53
70
79
93
64
61
53
49
50
58
41
16
22
16

Low Clouds (% Sky Obscured)

0
0
11
11
19
2
1
1
1
13
32
30
40
50
49
60
40
30
22
0
0
0
0
0

Medium Clouds (% Sky Obscured)

88
84
48
49
49
58
31
16
41
6
23
43
56
78
51
17
1
3
0
32
35
16
6
16

High Clouds (% Sky Obscured)

55
55
3
57
62
54
1
2
25
0
0
44
46
52
12
7
52
49
50
58
28
6
22
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
5
5
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
7
14
4
17
14
28
21
6
2
6
29
34
38
25
1
0
0
1
1
4
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
2
2
2
2
2
2
4
5
7
8
11
14
12
15
14
13
12
9
7
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
13
13
14
14
14
11
14
15
15
18
18
18
19
18
20
19
19
18
17
17
18
15
14

Dew Point (°C)

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

Relative Humidity (%)

76
84
83
84
86
89
87
89
83
80
73
67
60
59
66
52
43
44
48
51
59
72
79
84

Pressure (mb)

1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1021
1022

Ozone (du)

362
364
362
363
366
370
380
380
382
385
378
375
373
372
371
370
368
365
363
363
363
365
365
368

Sunday 7

Waning Gibbous 52%

01:14

12:44

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

Sun - Rise: 04:45, Set: 21:05, Transit: 12:55. Moon - Rise: 01:14, Set: 12:44. Civil Dark: 21:49 - 04:00. Nautical Dark: 22:55 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

21
8
4
8
14
32
77
76
74
83
87
76
85
78
81
81
38
31
36
41
48
49
90
100

Low Clouds (% Sky Obscured)

19
0
0
7
13
20
12
12
10
13
32
52
63
59
61
56
25
19
13
6
0
0
0
0

Medium Clouds (% Sky Obscured)

21
8
4
4
4
2
1
0
0
2
5
7
10
10
11
10
9
11
11
7
2
19
45
70

High Clouds (% Sky Obscured)

0
0
0
1
2
10
42
49
56
61
62
58
40
19
0
2
3
4
22
41
48
49
90
100

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
1
5
15
19
17
4
0
1
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
2
2
3
3
2
2
3
5
7
8
7
7
7
6
5
5
4
3
2
3
3

Chance of Frost

Temperature (°C)

12
12
11
10
10
9
9
11
12
14
15
17
18
19
20
20
20
21
21
20
20
18
16
15

Feels Like (°C)

13
13
12
12
11
10
9
10
11
13
14
15
17
17
18
18
18
21
21
21
21
21
18
14

Dew Point (°C)

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

Relative Humidity (%)

87
88
90
90
91
95
96
95
89
82
75
68
64
63
58
58
56
53
55
58
65
75
81
85

Pressure (mb)

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

Ozone (du)

368
369
368
366
366
365
366
365
363
362
363
364
364
365
368
367
366
365
364
364
363
360
358
356

Monday 8

Third Quarter 42%

01:27

14:01

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 04:44, Set: 21:05, Transit: 12:55. Moon - Rise: 01:27, Set: 14:01. Civil Dark: 21:50 - 04:00. Nautical Dark: 22:56 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
85
71
100
76
72
87
91
96
100
97
94
91
94
97
100
96
93
89
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
9
23
30
30
43
60
72
74
76
75
55
38
7
23
28
28

Medium Clouds (% Sky Obscured)

74
95
93
85
71
94
76
72
77
66
58
48
54
70
84
86
86
87
84
80
76
97
97
97

High Clouds (% Sky Obscured)

99
98
96
85
71
100
66
33
11
41
74
100
81
59
46
68
83
100
87
76
64
100
99
99

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
2
17
5
8
43
67
52
67
95
95
95
95
95
95
95
89
63
46
45
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.3
0.3
1.3
1.7
1.5
0.6
0.8
0.7
0.7
0.5
0.2
0
0
0

Wind Speed/Direction (mph)

4
3
3
3
3
2
2
3
4
5
5
6
9
10
12
12
11
12
11
10
8
7
5
4

Chance of Frost

Temperature (°C)

14
14
13
13
13
13
13
14
15
16
16
17
17
17
17
17
17
15
14
13
12
11
9
9

Feels Like (°C)

13
12
13
12
13
14
13
14
15
15
15
16
15
15
14
14
14
12
11
9
10
9
7
7

Dew Point (°C)

12
11
11
11
11
11
11
12
13
13
15
16
17
17
17
17
16
15
14
12
11
10
9
9

Relative Humidity (%)

86
84
87
87
89
87
87
87
83
85
93
93
98
96
96
96
96
95
95
93
95
95
96
98

Pressure (mb)

1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017

Ozone (du)

356
355
354
356
355
354
352
352
354
353
354
357
356
357
359
361
363
365
367
367
368
369
374
378

Tuesday 9

Waning Crescent 31%

01:40

15:21

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 04:44, Set: 21:06, Transit: 12:55. Moon - Rise: 01:40, Set: 15:21. Civil Dark: 21:51 - 03:59. Nautical Dark: 22:58 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
99
99
99
100
100
95
89
84
86
90
93
94
93
95
97
98
100
99
99
98
99
100
100

Low Clouds (% Sky Obscured)

28
28
27
37
51
63
59
53
46
37
28
19
21
23
25
32
38
45
40
35
33
44
54
64

Medium Clouds (% Sky Obscured)

85
70
48
39
29
19
15
14
16
30
64
86
86
82
77
84
92
100
99
98
97
98
99
100

High Clouds (% Sky Obscured)

98
78
65
66
77
86
75
61
27
22
22
27
51
75
95
81
62
53
50
48
46
64
83
100

ISS Passover

Visibility (miles)

2
2
2
2
4
7
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
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 (%)

39
30
8
11
8
2
6
6
0
2
2
1
3
3
0
8
11
14
22
28
34
30
26
20

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
10
11
12
13
14
15
16
16
17
17
16
16
15
14
13
12
12

Feels Like (°C)

6
7
7
8
8
8
8
7
7
8
11
11
11
11
12
12
15
15
14
15
14
15
10
10

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
98
100
98
98
95
90
87
79
70
64
59
55
51
53
54
57
66
76
90
92
95

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019

Ozone (du)

382
381
379
378
378
378
378
375
372
369
368
368
367
365
364
363
362
361
361
359
358
357
360
363

Wednesday 10

Waning Crescent 21%

01:55

16:47

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 04:44, Set: 21:07, Transit: 12:55. Moon - Rise: 01:55, Set: 16:47. Civil Dark: 21:52 - 03:59. Nautical Dark: 22:59 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
98
95
93
91
89
89
92
96
100
89
77
56
62
71
80
77
74
70
65
62
60

Low Clouds (% Sky Obscured)

62
60
59
65
72
78
75
72
70
69
70
69
56
46
35
36
36
38
27
13
1
2
2
2

Medium Clouds (% Sky Obscured)

74
48
18
25
28
37
35
35
34
54
71
85
53
27
0
12
24
40
35
27
22
17
12
7

High Clouds (% Sky Obscured)

100
100
100
68
37
5
4
4
3
4
4
5
5
5
5
5
5
5
19
34
48
44
41
35

ISS Passover

Visibility (miles)

9
7
5
3
3
4
4
6
8
9
9
9
9
9
9
9
9
9
9
9
9
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 (%)

19
17
9
14
10
1
1
0
0
18
29
37
41
42
37
37
37
28
30
30
28
21
14
1

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

Chance of Frost

Temperature (°C)

11
11
11
10
10
9
9
10
10
11
12
13
14
15
16
17
17
18
18
17
16
15
13
12

Feels Like (°C)

10
10
9
9
9
8
8
8
8
9
11
11
11
11
12
12
15
15
15
15
15
15
12
12

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
98
98
100
98
96
93
90
83
76
70
65
61
57
56
55
55
61
67
74
78
81

Pressure (mb)

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

Ozone (du)

366
370
373
376
377
377
378
375
372
368
369
370
370
370
370
370
371
371
371
372
373
373
375
376

Thursday 11

Waning Crescent 12%

02:14

18:17

23 Bad
00 Bad
01 Bad

Sun - Rise: 04:44, Set: 21:08, Transit: 12:56. Moon - Rise: 02:14, Set: 18:17. Civil Dark: 21:53 - 03:58. Nautical Dark: N/A - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

67
73
74

Low Clouds (% Sky Obscured)

2
2
3

Medium Clouds (% Sky Obscured)

9
11
15

High Clouds (% Sky Obscured)

57
73
74

ISS Passover

Visibility (miles)

9
9
9

Fog (%)

0
0
0

Precipitation Type

None
None
None

Precipitation Probability (%)

1
0
0

Precipitation Amount (mm)

0
0
0

Wind Speed/Direction (mph)

3
3
3

Chance of Frost

Temperature (°C)

10
9
9

Feels Like (°C)

12
12
11

Dew Point (°C)

8
7
7

Relative Humidity (%)

85
85
87

Pressure (mb)

1020
1020
1020

Ozone (du)

378
378
378

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

Generated: 05/06/26 23:29:01. Forecast: 05/06/26 to 11/06/26. Timezone: UTC+2.00