Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Waning Gibbous 81%

00:26

09:01

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 OK
20 Good
21 OK
22 OK

Sun - Rise: 04:46, Set: 21:02, Transit: 12:54. Moon - Rise: 00:26, Set: 09:01. Civil Dark: 21:46 - 04:02. Nautical Dark: 22:51 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
87
56
79
70
31
16
13
22

Low Clouds (% Sky Obscured)

33
66
48
74
77
82
93
100
99
83
100
84
85
83
78
71
63
42
60
66
29
16
13
22

Medium Clouds (% Sky Obscured)

100
100
98
100
100
100
100
100
100
96
100
100
100
100
100
87
64
26
15
3
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
89
66
94
70
100
70
70
100
100
74
41
1
1
12
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
5
3
3
4
3
7
8
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
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
58
43
24
31
56
95
92
95
95
95
95
95
95
84
46
5
0
12
16
4
2
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
1.1
0.3
2.1
2.8
2.3
1.6
1.6
1.5
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
3
2
1
3
3
4
5
4
4
4
4
4
3
4
4
5
5
6
7
5
3
2

Chance of Frost

Temperature (°C)

16
15
15
15
15
14
14
13
13
12
12
12
12
12
12
13
13
13
15
15
14
14
12
11

Feels Like (°C)

15
15
15
14
15
13
13
12
11
11
11
12
11
11
12
12
12
12
15
14
12
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

82
83
80
80
83
89
90
89
89
93
95
96
96
95
95
90
90
90
78
79
83
86
93
95

Pressure (mb)

1008
1008
1009
1008
1009
1009
1009
1010
1010
1011
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1016
1017
1017

Ozone (du)

339
338
338
340
344
348
351
352
351
352
350
352
353
358
360
361
364
371
373
376
375
376
375
374

Friday 5

Waning Gibbous 72%

00:45

10:15

23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
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)

25
20
15
14
25
33
37
29
0
0
21
16
35
35
66
100
100
100
100
100
100
100
97
99

Low Clouds (% Sky Obscured)

25
20
15
14
25
33
37
29
0
0
21
16
35
35
10
9
0
0
0
0
0
0
22
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
60
70
56
54
72
98

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
3
6
66
100
100
100
100
100
100
100
48
30

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
2
0
3
3
3
2
2
4
9
9
5
1
2
5
26

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
11
11
11
10
10
11
14
16
18
19
20
20
21
19
20
20
20
20
20
18
16
14

Dew Point (°C)

10
9
9
9
9
8
8
9
10
11
11
11
11
11
11
11
11
11
11
12
14
13
12
11

Relative Humidity (%)

95
95
95
96
95
93
93
93
87
80
72
65
60
56
53
51
51
50
52
57
69
72
75
77

Pressure (mb)

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

Ozone (du)

372
369
368
367
366
364
366
369
368
363
360
359
357
356
354
352
354
355
356
358
361
361
362
362

Saturday 6

Waning Gibbous 63%

01:01

11:29

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
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 Bad
20 OK
21 Bad
22 Bad

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)

84
96
92
90
82
82
48
40
27
43
73
88
89
87
80
69
61
47
43
25
75
47
51
71

Low Clouds (% Sky Obscured)

1
39
30
54
23
17
28
32
27
43
54
47
57
53
33
47
30
11
0
1
13
8
4
0

Medium Clouds (% Sky Obscured)

70
92
91
71
64
82
42
33
0
0
5
71
4
69
53
34
55
47
43
23
31
32
30
19

High Clouds (% Sky Obscured)

25
0
0
76
21
0
0
0
0
6
73
75
70
70
68
27
4
8
4
4
57
22
19
24

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
9
9
6
5
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
Very Light Rain
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
33
39
51
43
43
15
2
0
1
15
20
31
48
52
27
22
7
3
2
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
2
2
2
2
2
3
4
6
8
8
11
12
13
12
14
13
11
9
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
14
13
12
13
14
16
17
18
17
18
18
19
19
19
19
19
19
19
17
16
14

Dew Point (°C)

11
11
12
12
11
11
11
11
12
13
13
13
12
11
12
15
13
12
11
10
10
12
12
12

Relative Humidity (%)

79
83
83
86
89
92
93
92
87
83
77
71
60
53
56
67
61
53
51
49
55
70
79
84

Pressure (mb)

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

Ozone (du)

361
363
363
364
368
378
385
384
382
377
372
369
368
367
365
364
363
361
359
360
361
363
363
363

Sunday 7

Waning Gibbous 52%

01:14

12:44

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

46
64
31
23
26
33
28
20
37
59
72
83
66
42
34
31
35
31
36
46
54
55
74
90

Low Clouds (% Sky Obscured)

1
3
4
7
10
14
12
8
5
18
31
48
41
36
27
28
34
31
23
12
0
0
0
0

Medium Clouds (% Sky Obscured)

15
15
12
7
7
7
6
3
0
0
0
0
3
8
12
12
12
10
6
4
0
31
62
90

High Clouds (% Sky Obscured)

9
19
2
0
0
0
1
2
18
30
40
50
30
4
1
3
4
5
28
46
54
55
74
90

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

Chance of Frost

Temperature (°C)

13
12
12
11
11
10
10
11
13
14
16
17
19
20
21
21
21
22
22
21
21
19
17
16

Feels Like (°C)

13
13
12
13
13
12
12
13
14
14
15
16
17
19
20
21
21
21
22
22
23
22
19
17

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
90
90
91
93
92
84
76
72
66
60
56
53
53
53
54
55
56
62
70
77
81

Pressure (mb)

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

Ozone (du)

363
366
368
369
368
367
366
363
362
363
362
362
362
362
364
366
366
366
365
360
357
354
352
352

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)

98
92
93
95
98
93
100
100
100
100
100
100
98
96
94
96
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
3
7
23
46
27
42
44
49
61
63
66
66
50
28
35
35
28
21

Medium Clouds (% Sky Obscured)

90
87
87
92
87
93
99
91
100
96
46
84
82
73
77
79
80
82
91
95
99
92
85
79

High Clouds (% Sky Obscured)

86
72
59
73
88
88
100
100
100
100
100
86
88
78
67
80
90
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
4
6
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

1
4
1
1
31
41
36
17
23
11
6
30
40
70
91
95
95
95
95
95
67
64
54
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
0.9
1.1
1
1
0.7
0.3
0.3
0
0

Wind Speed/Direction (mph)

3
3
3
2
2
2
1
3
3
4
7
8
10
10
12
11
10
9
8
8
8
9
7
4

Chance of Frost

Temperature (°C)

14
15
14
14
14
14
14
15
15
16
16
18
19
19
19
18
17
15
14
13
12
12
11
11

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
13
14
14
15
15
15
15
17
17
15
13
12
11
11
11
11
10

Relative Humidity (%)

84
84
86
87
84
89
90
89
89
90
93
82
76
77
84
93
90
89
89
90
93
96
96
95

Pressure (mb)

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

Ozone (du)

351
350
349
349
347
348
347
348
348
352
354
352
352
355
355
359
361
364
366
365
364
364
366
368

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)

95
90
86
80
73
67
67
64
61
74
87
100
96
93
88
92
94
97
97
98
99
99
99
100

Low Clouds (% Sky Obscured)

15
8
2
11
22
34
39
43
45
34
22
12
17
22
28
25
23
19
19
18
16
28
43
56

Medium Clouds (% Sky Obscured)

68
58
50
52
51
48
40
42
33
27
55
65
64
66
61
71
85
96
97
97
97
98
98
98

High Clouds (% Sky Obscured)

95
90
86
80
73
67
54
33
10
16
24
29
52
75
88
80
61
41
38
36
33
55
72
81

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 (%)

29
23
8
11
8
1
5
5
0
2
2
1
6
6
2
10
12
6
13
14
7
18
23
16

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

Chance of Frost

Temperature (°C)

10
10
9
9
8
8
8
9
11
12
14
15
16
17
17
18
18
17
17
17
16
15
14
13

Feels Like (°C)

9
9
8
8
7
8
8
7
8
8
13
14
13
13
13
14
17
16
15
16
15
16
12
12

Dew Point (°C)

10
9
8
8
8
7
7
8
9
10
10
9
8
8
7
6
6
6
7
7
7
7
7
7

Relative Humidity (%)

95
95
95
96
96
96
98
93
90
87
76
68
59
55
49
45
47
48
50
53
55
58
63
68

Pressure (mb)

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

Ozone (du)

370
370
371
372
373
374
375
372
368
365
364
362
361
361
361
361
361
361
361
362
362
362
366
370

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

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
88
78
70
73
76
75
83
91
97
76
57
37
46
54
62
65
72
84

Low Clouds (% Sky Obscured)

50
47
40
44
48
57
60
60
58
56
54
49
41
36
31
33
35
37
26
12
0

Medium Clouds (% Sky Obscured)

82
69
64
58
39
20
15
12
8
33
51
65
53
28
0
15
30
43
38
30
25

High Clouds (% Sky Obscured)

73
48
36
25
16
3
4
6
2
0
0
0
0
0
0
0
2
2
18
33
49

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

Precipitation Probability (%)

46
57
59
43
25
0
0
0
0
14
23
30
33
33
25
17
13
7
3
1
0

Precipitation Amount (mm)

0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
2
2
1
1
1
1
2
3
4
5
7
7
8
8
8
7
7
4
2

Chance of Frost

Temperature (°C)

12
12
11
10
10
9
8
9
10
12
13
15
16
17
18
19
19
19
20
19
18

Feels Like (°C)

12
12
11
11
8
9
9
8
8
8
13
13
13
14
14
15
20
19
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

73
80
87
95
95
96
96
91
88
84
74
64
56
52
49
46
47
48
48
54
61

Pressure (mb)

1019
1019
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

373
373
374
374
374
374
374
371
367
364
362
359
357
354
351
348
346
343
341
340
340

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

Generated: 04/06/26 23:17:32. Forecast: 04/06/26 to 10/06/26. Timezone: UTC+2.00